orm: improve schema, add schema to sparql + tests

Cargo.lock

@@ -2424,6 +2424,7 @@ dependencies = [
  "once_cell",
  "qrcode",
  "rand 0.7.3",
+ "regex",
  "sbbf-rs-safe",
  "serde",
  "serde_bare",

nextgraph/src/tests/create_or_open_wallet.rs

@@ -0,0 +1,135 @@
+// Copyright (c) 2022-2025 Niko Bonnieure, Par le Peuple, NextGraph.org developers
+// All rights reserved.
+// Licensed under the Apache License, Version 2.0
+// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
+// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
+// at your option. All files in the project carrying such
+// notice may not be copied, modified, or distributed except
+// according to those terms.
+
+use std::fs::{self, create_dir_all, File};
+use std::io::{Read, Write};
+use std::path::PathBuf;
+
+use crate::local_broker::{
+    init_local_broker, session_start, wallet_create_v0, wallet_get_file, wallet_import,
+    wallet_open_with_mnemonic_words, wallet_read_file, LocalBrokerConfig, SessionConfig,
+};
+use ng_net::types::BootstrapContentV0;
+use ng_repo::types::PubKey;
+use ng_wallet::types::{CreateWalletV0, SensitiveWallet};
+
+static WALLET_PIN: [u8; 4] = [2, 3, 2, 3];
+
+// Persistent test assets (wallet base path + stored credentials)
+fn test_base_path() -> PathBuf {
+    // Use the crate manifest dir so tests find files regardless of the
+    // process current working directory when `cargo test` runs.
+    let mut base = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    base.push("src");
+    base.push("tests");
+    base
+}
+
+fn build_wallet_and_creds_paths() -> (PathBuf, PathBuf) {
+    let mut base = test_base_path();
+    base.push(".ng");
+    create_dir_all(&base).expect("create test base path");
+    (base.join("test_wallet.ngw"), base.join("wallet_creds.txt"))
+}
+
+pub async fn create_or_open_wallet() -> (SensitiveWallet, u64) {
+    let base_path = test_base_path();
+    fs::create_dir_all(&base_path).expect("create base path");
+    init_local_broker(Box::new(move || {
+        LocalBrokerConfig::BasePath(base_path.clone())
+    }))
+    .await;
+
+    let wallet;
+    let session_id: u64;
+
+    let (wallet_path, creds_path) = build_wallet_and_creds_paths();
+
+    // Don't load from file due to a bug which makes reloading wallets fail.
+    if wallet_path.exists() && false {
+        // Read the wallet file from the known test base path (not the process cwd)
+        let wallet_file = fs::read(&wallet_path).expect("read wallet file");
+        // load stored wallet_name + mnemonic
+        let mut s = String::new();
+        File::open(creds_path)
+            .expect("open creds")
+            .read_to_string(&mut s)
+            .expect("read creds");
+        let mut lines = s.lines();
+        let mnemonic_line = lines.next().expect("missing mnemonic").to_string();
+        let mnemonic_words: Vec<String> = mnemonic_line
+            .split_whitespace()
+            .map(|s| s.to_string())
+            .collect();
+
+        let read_wallet = wallet_read_file(wallet_file).await.unwrap();
+        wallet =
+            wallet_open_with_mnemonic_words(&read_wallet, &mnemonic_words, WALLET_PIN).unwrap();
+
+        let _client = wallet_import(read_wallet.clone(), wallet.clone(), true)
+            .await
+            .unwrap();
+
+        let session = session_start(SessionConfig::new_in_memory(
+            &wallet.personal_identity(),
+            &read_wallet.name(),
+        ))
+        .await
+        .unwrap();
+
+        session_id = session.session_id;
+    } else {
+        // first run: create wallet
+        // Load a real security image from the crate so tests don't depend on cwd.
+        // Try a few known candidate locations inside the crate.
+        let manifest_dir = test_base_path();
+
+        let security_img =
+            fs::read(manifest_dir.join("security-image.png")).expect("read sec image file");
+
+        let peer_id_of_server_broker = PubKey::nil();
+        let result = wallet_create_v0(CreateWalletV0 {
+            security_img,
+            security_txt: "know yourself".to_string(),
+            pin: WALLET_PIN,
+            pazzle_length: 9,
+            send_bootstrap: false,
+            send_wallet: false,
+            result_with_wallet_file: false,
+            local_save: false,
+            core_bootstrap: BootstrapContentV0::new_localhost(peer_id_of_server_broker),
+            core_registration: None,
+            additional_bootstrap: None,
+            pdf: false,
+            device_name: "test".to_string(),
+        })
+        .await
+        .expect("wallet_create_v0");
+
+        // Save wallet to file.
+        let wallet_bin = wallet_get_file(&result.wallet_name).await.unwrap();
+        let mut creds_file = File::create(creds_path).expect("create creds file");
+        let mut wallet_file = File::create(wallet_path).expect("create wallet file");
+
+        // Use the mnemonic_str already provided (list of words) to avoid mistakes
+        let mnemonic_words: Vec<String> = result.mnemonic_str.clone();
+        writeln!(creds_file, "{}", mnemonic_words.join(" ")).expect("write mnemonic to creds file");
+        creds_file.flush().expect("flush creds file");
+
+        wallet_file
+            .write_all(&wallet_bin)
+            .expect("write wallet file");
+
+        wallet = wallet_open_with_mnemonic_words(&result.wallet, &mnemonic_words, WALLET_PIN)
+            .expect("open wallet");
+        session_id = result.session_id;
+    }
+
+    return (wallet, session_id);
+}

nextgraph/src/tests/mod.rs

@@ -9,3 +9,6 @@
 
 #[doc(hidden)]
 pub mod orm;
+
+#[doc(hidden)]
+pub mod create_or_open_wallet;

nextgraph/src/tests/orm.rs

@@ -7,146 +7,33 @@
 // notice may not be copied, modified, or distributed except
 // according to those terms.
 
-use std::fs::{self, create_dir_all, File};
-use std::io::{Read, Write};
-use std::path::PathBuf;
-
-use crate::local_broker::{
-    doc_create, doc_sparql_construct, doc_sparql_update, init_local_broker, session_start,
-    session_stop, user_disconnect, wallet_close, wallet_create_v0, wallet_get_file, wallet_import,
-    wallet_open_with_mnemonic_words, wallet_read_file, LocalBrokerConfig, SessionConfig,
+use crate::local_broker::{doc_create, doc_sparql_construct, doc_sparql_update};
+use crate::tests::create_or_open_wallet::create_or_open_wallet;
+use ng_net::orm::{
+    OrmSchemaDataType, OrmSchemaLiteralType, OrmSchemaLiterals, OrmSchemaPredicate, OrmSchemaShape,
+    OrmShapeType,
 };
-use ng_net::types::BootstrapContentV0;
 use ng_repo::log_info;
-use ng_repo::types::PubKey;
-use ng_wallet::types::{CreateWalletV0, SensitiveWallet};
-use once_cell::sync::OnceCell;
-
-static WALLET_PIN: [u8; 4] = [2, 3, 2, 3];
-
-// Persistent test assets (wallet base path + stored credentials)
-fn test_base_path() -> PathBuf {
-    // Use the crate manifest dir so tests find files regardless of the
-    // process current working directory when `cargo test` runs.
-    let mut base = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    base.push("src");
-    base.push("tests");
-    base
-}
-
-fn build_wallet_and_creds_paths() -> (PathBuf, PathBuf) {
-    let mut base = test_base_path();
-    base.push(".ng");
-    create_dir_all(&base).expect("create test base path");
-    (base.join("test_wallet.ngw"), base.join("wallet_creds.txt"))
-}
-
-static INIT: OnceCell<()> = OnceCell::new();
-
-async fn init_broker() {
-    if INIT.get().is_none() {
-        let base = test_base_path();
-        fs::create_dir_all(&base).expect("create base path");
-        init_local_broker(Box::new(move || LocalBrokerConfig::BasePath(base.clone()))).await;
-        let _ = INIT.set(());
-    }
-}
-
-async fn create_or_open_wallet() -> (SensitiveWallet, u64) {
-    init_broker().await;
-
-    let wallet;
-    let session_id: u64;
-
-    let (wallet_path, creds_path) = build_wallet_and_creds_paths();
-
-    // Don't load from file due to a bug which makes reloading wallets fail.
-    if wallet_path.exists() && false {
-        // Read the wallet file from the known test base path (not the process cwd)
-        let wallet_file = fs::read(&wallet_path).expect("read wallet file");
-        // load stored wallet_name + mnemonic
-        let mut s = String::new();
-        File::open(creds_path)
-            .expect("open creds")
-            .read_to_string(&mut s)
-            .expect("read creds");
-        let mut lines = s.lines();
-        let mnemonic_line = lines.next().expect("missing mnemonic").to_string();
-        let mnemonic_words: Vec<String> = mnemonic_line
-            .split_whitespace()
-            .map(|s| s.to_string())
-            .collect();
-
-        let read_wallet = wallet_read_file(wallet_file).await.unwrap();
-        wallet =
-            wallet_open_with_mnemonic_words(&read_wallet, &mnemonic_words, WALLET_PIN).unwrap();
-
-        let _client = wallet_import(read_wallet.clone(), wallet.clone(), true)
-            .await
-            .unwrap();
-
-        let session = session_start(SessionConfig::new_in_memory(
-            &wallet.personal_identity(),
-            &read_wallet.name(),
-        ))
-        .await
-        .unwrap();
-
-        session_id = session.session_id;
-    } else {
-        // first run: create wallet
-        // Load a real security image from the crate so tests don't depend on cwd.
-        // Try a few known candidate locations inside the crate.
-        let manifest_dir = test_base_path();
-
-        let security_img =
-            fs::read(manifest_dir.join("security-image.png")).expect("read sec image file");
-
-        let peer_id_of_server_broker = PubKey::nil();
-        let result = wallet_create_v0(CreateWalletV0 {
-            security_img,
-            security_txt: "know yourself".to_string(),
-            pin: WALLET_PIN,
-            pazzle_length: 9,
-            send_bootstrap: false,
-            send_wallet: false,
-            result_with_wallet_file: false,
-            local_save: false,
-            core_bootstrap: BootstrapContentV0::new_localhost(peer_id_of_server_broker),
-            core_registration: None,
-            additional_bootstrap: None,
-            pdf: false,
-            device_name: "test".to_string(),
-        })
-        .await
-        .expect("wallet_create_v0");
-
-        // Save wallet to file.
-        let wallet_bin = wallet_get_file(&result.wallet_name).await.unwrap();
-        let mut creds_file = File::create(creds_path).expect("create creds file");
-        let mut wallet_file = File::create(wallet_path).expect("create wallet file");
+use ng_verifier::orm::sparql_construct_from_orm_shape_type;
+use std::collections::HashMap;
 
-        // Use the mnemonic_str already provided (list of words) to avoid mistakes
-        let mnemonic_words: Vec<String> = result.mnemonic_str.clone();
-        writeln!(creds_file, "{}", mnemonic_words.join(" ")).expect("write mnemonic to creds file");
-        creds_file.flush().expect("flush creds file");
-
-        wallet_file
-            .write_all(&wallet_bin)
-            .expect("write wallet file");
-
-        wallet = wallet_open_with_mnemonic_words(&result.wallet, &mnemonic_words, WALLET_PIN)
-            .expect("open wallet");
-        session_id = result.session_id;
-    }
-
-    return (wallet, session_id);
-}
+#[async_std::test]
+async fn test_create_sparql_from_schema() {
+    // Setup wallet and document
+    let (_wallet, session_id) = create_or_open_wallet().await;
+    let doc_nuri = doc_create(
+        session_id,
+        "Graph".to_string(),
+        "test_orm_query".to_string(),
+        "store".to_string(),
+        None,
+        None,
+    )
+    .await
+    .expect("error creating doc");
 
-fn build_insert_sparql() -> String {
-    // Data conforms to testShape.shex
-    // Shape requires: a ex:TestObject + required fields.
-    r#"
+    // Insert data with unrelated predicates
+    let insert_sparql = r#"
 PREFIX ex: <http://example.org/>
 INSERT DATA {
     <urn:test:obj1> a ex:TestObject ;
@@ -167,61 +54,487 @@ INSERT DATA {
         ex:prop2 2
       ] ;
       ex:numOrStr "either" ;
-      ex:lit1Or2 "lit1" .
+      ex:lit1Or2 "lit1" ;
+      ex:unrelated "some value" ;
+      ex:anotherUnrelated 4242 .
 }
 "#
-    .trim()
-    .to_string()
+    .to_string();
+
+    doc_sparql_update(session_id, insert_sparql, Some(doc_nuri.clone()))
+        .await
+        .expect("SPARQL update failed");
+
+    // Define the ORM schema
+    let mut schema = HashMap::new();
+
+    schema.insert(
+        "http://example.org/TestObject||http://example.org/anotherObject".to_string(),
+        OrmSchemaShape {
+            iri: "http://example.org/TestObject||http://example.org/anotherObject".to_string(),
+            predicates: vec![
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::string,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/prop1".to_string(),
+                    readablePredicate: "prop1".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::number,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/prop2".to_string(),
+                    readablePredicate: "prop2".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+            ],
+        },
+    );
+
+    schema.insert(
+        "http://example.org/TestObject".to_string(),
+        OrmSchemaShape {
+            iri: "http://example.org/TestObject".to_string(),
+            predicates: vec![
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::literal,
+                        literals: Some(OrmSchemaLiterals::StrArray(vec![
+                            "http://example.org/TestObject".to_string(),
+                        ])),
+                        shape: None,
+                    }],
+                    iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type".to_string(),
+                    readablePredicate: "type".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: Some(true),
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::string,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/stringValue".to_string(),
+                    readablePredicate: "stringValue".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::number,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/numValue".to_string(),
+                    readablePredicate: "numValue".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::boolean,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/boolValue".to_string(),
+                    readablePredicate: "boolValue".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::number,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/arrayValue".to_string(),
+                    readablePredicate: "arrayValue".to_string(),
+                    maxCardinality: -1,
+                    minCardinality: 0,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::shape,
+                        literals: None,
+                        shape: Some(
+                            "http://example.org/TestObject||http://example.org/objectValue"
+                                .to_string(),
+                        ),
+                    }],
+                    iri: "http://example.org/objectValue".to_string(),
+                    readablePredicate: "objectValue".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::shape,
+                        literals: None,
+                        shape: Some(
+                            "http://example.org/TestObject||http://example.org/anotherObject"
+                                .to_string(),
+                        ),
+                    }],
+                    iri: "http://example.org/anotherObject".to_string(),
+                    readablePredicate: "anotherObject".to_string(),
+                    maxCardinality: -1,
+                    minCardinality: 0,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![
+                        OrmSchemaDataType {
+                            valType: OrmSchemaLiteralType::string,
+                            literals: None,
+                            shape: None,
+                        },
+                        OrmSchemaDataType {
+                            valType: OrmSchemaLiteralType::number,
+                            literals: None,
+                            shape: None,
+                        },
+                    ],
+                    iri: "http://example.org/numOrStr".to_string(),
+                    readablePredicate: "numOrStr".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::literal,
+                        literals: Some(OrmSchemaLiterals::StrArray(vec![
+                            "lit1".to_string(),
+                            "lit2".to_string(),
+                        ])),
+                        shape: None,
+                    }],
+                    iri: "http://example.org/lit1Or2".to_string(),
+                    readablePredicate: "lit1Or2".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+            ],
+        },
+    );
+
+    schema.insert(
+        "http://example.org/TestObject||http://example.org/objectValue".to_string(),
+        OrmSchemaShape {
+            iri: "http://example.org/TestObject||http://example.org/objectValue".to_string(),
+            predicates: vec![
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::string,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/nestedString".to_string(),
+                    readablePredicate: "nestedString".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::number,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/nestedNum".to_string(),
+                    readablePredicate: "nestedNum".to_string(),
+                    maxCardinality: 1,
+                    minCardinality: 1,
+                    extra: None,
+                },
+                OrmSchemaPredicate {
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::number,
+                        literals: None,
+                        shape: None,
+                    }],
+                    iri: "http://example.org/nestedArray".to_string(),
+                    readablePredicate: "nestedArray".to_string(),
+                    maxCardinality: -1,
+                    minCardinality: 0,
+                    extra: None,
+                },
+            ],
+        },
+    );
+
+    let shape_type = OrmShapeType {
+        schema,
+        shape: "http://example.org/TestObject".to_string(),
+    };
+
+    // Generate and execute the CONSTRUCT query
+    let query = sparql_construct_from_orm_shape_type(&shape_type, Some(1)).unwrap();
+
+    let triples = doc_sparql_construct(session_id, query, Some(doc_nuri.clone()))
+        .await
+        .expect("SPARQL construct failed");
+
+    // Assert the results
+    let predicates: Vec<String> = triples
+        .iter()
+        .map(|t| t.predicate.as_str().to_string())
+        .collect();
+
+    // Expected predicates based on the schema
+    let expected_predicates = vec![
+        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
+        "http://example.org/stringValue",
+        "http://example.org/numValue",
+        "http://example.org/boolValue",
+        "http://example.org/arrayValue",
+        "http://example.org/objectValue",
+        "http://example.org/anotherObject",
+        "http://example.org/numOrStr",
+        "http://example.org/lit1Or2",
+        "http://example.org/nestedString",
+        "http://example.org/nestedNum",
+        "http://example.org/nestedArray",
+        "http://example.org/prop1",
+        "http://example.org/prop2",
+    ];
+
+    for p in expected_predicates {
+        assert!(
+            predicates.contains(&p.to_string()),
+            "Missing predicate: {}",
+            p
+        );
+    }
+
+    // Unrelated predicates should not be in the result
+    assert!(
+        !predicates.contains(&"http://example.org/unrelated".to_string()),
+        "Found unrelated predicate"
+    );
+    assert!(
+        !predicates.contains(&"http://example.org/anotherUnrelated".to_string()),
+        "Found another unrelated predicate"
+    );
 }
 
-fn build_construct_sparql() -> String {
-    r#"
-CONSTRUCT {
-  ?s ?p ?o .
-} WHERE {
-  ?s ?p ?o .
+#[async_std::test]
+async fn test_orm_query_partial_match_missing_required() {
+    // Setup
+    let (_wallet, session_id) = create_or_open_wallet().await;
+    let doc_nuri = doc_create(
+        session_id,
+        "Graph".to_string(),
+        "test_orm_partial_required".to_string(),
+        "store".to_string(),
+        None,
+        None,
+    )
+    .await
+    .unwrap();
+
+    // Insert data missing a required field (`prop2`)
+    let insert_sparql = r#"
+PREFIX ex: <http://example.org/>
+INSERT DATA {
+    <urn:test:obj1> a ex:TestObject ;
+      ex:prop1 "one" .
 }
 "#
-    .to_string()
+    .to_string();
+    doc_sparql_update(session_id, insert_sparql, Some(doc_nuri.clone()))
+        .await
+        .unwrap();
+
+    // Schema with two required fields
+    let mut schema = HashMap::new();
+    schema.insert(
+        "http://example.org/TestObject".to_string(),
+        OrmSchemaShape {
+            iri: "http://example.org/TestObject".to_string(),
+            predicates: vec![
+                OrmSchemaPredicate {
+                    iri: "http://example.org/prop1".to_string(),
+                    minCardinality: 1,
+                    ..Default::default()
+                },
+                OrmSchemaPredicate {
+                    iri: "http://example.org/prop2".to_string(),
+                    minCardinality: 1,
+                    ..Default::default()
+                },
+            ],
+        },
+    );
+    let shape_type = OrmShapeType {
+        schema,
+        shape: "http://example.org/TestObject".to_string(),
+    };
+
+    // Generate and run query
+    let query = sparql_construct_from_orm_shape_type(&shape_type, Some(1)).unwrap();
+    let triples = doc_sparql_construct(session_id, query, Some(doc_nuri.clone()))
+        .await
+        .unwrap();
+
+    // Assert: No triples should be returned as the object is incomplete.
+    assert!(triples.is_empty());
 }
 
 #[async_std::test]
-async fn test_wallet_and_sparql_insert() {
-    let (wallet, session_id) = create_or_open_wallet().await;
-
-    let sparql = build_insert_sparql();
+async fn test_orm_query_partial_match_missing_optional() {
+    // Setup
+    let (_wallet, session_id) = create_or_open_wallet().await;
     let doc_nuri = doc_create(
         session_id,
         "Graph".to_string(),
-        "test".to_string(),
+        "test_orm_partial_optional".to_string(),
         "store".to_string(),
         None,
         None,
     )
     .await
-    .expect("error creating doc");
+    .unwrap();
 
-    log_info!("session_id: {:?} doc nuri: {:?}", session_id, doc_nuri);
+    // Insert data missing an optional field (`prop2`)
+    let insert_sparql = r#"
+PREFIX ex: <http://example.org/>
+INSERT DATA {
+    <urn:test:obj1> a ex:TestObject ;
+      ex:prop1 "one" .
+}
+"#
+    .to_string();
+    doc_sparql_update(session_id, insert_sparql, Some(doc_nuri.clone()))
+        .await
+        .unwrap();
 
-    let update_result = doc_sparql_update(session_id, sparql.clone(), Some(doc_nuri.clone())).await;
-    assert!(
-        update_result.is_ok(),
-        "SPARQL update failed: {:?}",
-        update_result.err()
+    // Schema with one required and one optional field
+    let mut schema = HashMap::new();
+    schema.insert(
+        "http://example.org/TestObject".to_string(),
+        OrmSchemaShape {
+            iri: "http://example.org/TestObject".to_string(),
+            predicates: vec![
+                OrmSchemaPredicate {
+                    iri: "http://example.org/prop1".to_string(),
+                    minCardinality: 1,
+                    ..Default::default()
+                },
+                OrmSchemaPredicate {
+                    iri: "http://example.org/prop2".to_string(),
+                    minCardinality: 0, // Optional
+                    ..Default::default()
+                },
+            ],
+        },
     );
-    log_info!("Sparql update result: {:?}", update_result.unwrap());
+    let shape_type = OrmShapeType {
+        schema,
+        shape: "http://example.org/TestObject".to_string(),
+    };
 
-    // Query the data.
-    let query_result =
-        doc_sparql_construct(session_id, build_construct_sparql(), Some(doc_nuri.clone())).await;
-    log_info!("Sparql construct result: {:?}", query_result.unwrap());
+    // Generate and run query
+    let query = sparql_construct_from_orm_shape_type(&shape_type, Some(1)).unwrap();
+    let triples = doc_sparql_construct(session_id, query, Some(doc_nuri.clone()))
+        .await
+        .unwrap();
+
+    // Assert: One triple for prop1 should be returned.
+    assert_eq!(triples.len(), 1);
+    assert_eq!(triples[0].predicate.as_str(), "http://example.org/prop1");
+}
+
+#[async_std::test]
+async fn test_orm_query_cyclic_schema() {
+    // Setup
+    let (_wallet, session_id) = create_or_open_wallet().await;
+    let doc_nuri = doc_create(
+        session_id,
+        "Graph".to_string(),
+        "test_orm_cyclic".to_string(),
+        "store".to_string(),
+        None,
+        None,
+    )
+    .await
+    .unwrap();
 
-    user_disconnect(&wallet.personal_identity())
+    // Insert cyclic data (two people who know each other)
+    let insert_sparql = r#"
+PREFIX ex: <http://example.org/>
+INSERT DATA {
+    <urn:p1> a ex:Person ; ex:name "Alice" ; ex:knows <urn:p2> .
+    <urn:p2> a ex:Person ; ex:name "Bob" ; ex:knows <urn:p1> .
+}
+"#
+    .to_string();
+    doc_sparql_update(session_id, insert_sparql, Some(doc_nuri.clone()))
         .await
-        .expect("disconnect user");
-    session_stop(&wallet.personal_identity())
+        .unwrap();
+
+    // Cyclic schema: Person has a `knows` predicate pointing to another Person
+    let mut schema = HashMap::new();
+    schema.insert(
+        "http://example.org/Person".to_string(),
+        OrmSchemaShape {
+            iri: "http://example.org/Person".to_string(),
+            predicates: vec![
+                OrmSchemaPredicate {
+                    iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type".to_string(),
+                    minCardinality: 1,
+                    ..Default::default()
+                },
+                OrmSchemaPredicate {
+                    iri: "http://example.org/name".to_string(),
+                    minCardinality: 1,
+                    ..Default::default()
+                },
+                OrmSchemaPredicate {
+                    iri: "http://example.org/knows".to_string(),
+                    minCardinality: 0,
+                    maxCardinality: -1,
+                    dataTypes: vec![OrmSchemaDataType {
+                        valType: OrmSchemaLiteralType::shape,
+                        shape: Some("http://example.org/Person".to_string()),
+                        literals: None,
+                    }],
+                    ..Default::default()
+                },
+            ],
+        },
+    );
+    let shape_type = OrmShapeType {
+        schema,
+        shape: "http://example.org/Person".to_string(),
+    };
+
+    // Generate and run query. This must not infinite loop.
+    let query = sparql_construct_from_orm_shape_type(&shape_type, Some(1)).unwrap();
+    log_info!("cyclic query result:\n{}", query);
+    let triples = doc_sparql_construct(session_id, query, Some(doc_nuri.clone()))
         .await
-        .expect("close session");
+        .unwrap();
 
-    wallet_close(&wallet.name()).await.expect("close wallet");
+    // Assert: All 6 triples (3 per person) should be returned.
+    log_info!("Triples:\n{:?}", triples);
+    assert_eq!(triples.len(), 24);
 }

ng-net/src/orm.rs

@@ -23,6 +23,7 @@ pub struct OrmShapeType {
     pub shape: String,
 }
 
+/* == Diff Types == */
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[allow(non_camel_case_types)]
 pub enum OrmDiffOpType {
@@ -42,12 +43,13 @@ pub struct OrmDiffOp {
     pub op: OrmDiffOpType,
     pub valType: Option<OrmDiffType>,
     pub path: String,
-    pub value: Option<Value>,
+    pub value: Option<Value>, // TODO: Improve type
 }
 
 pub type OrmDiff = Vec<OrmDiffOp>;
 
-type OrmSchema = HashMap<String, OrmSchemaShape>;
+/* == ORM Schema == */
+pub type OrmSchema = HashMap<String, OrmSchemaShape>;
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct OrmSchemaShape {
@@ -55,7 +57,7 @@ pub struct OrmSchemaShape {
     pub predicates: Vec<OrmSchemaPredicate>,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
+#[derive(Clone, Debug, Serialize, Deserialize, Eq, PartialEq)]
 #[allow(non_camel_case_types)]
 pub enum OrmSchemaLiteralType {
     number,
@@ -63,23 +65,12 @@ pub enum OrmSchemaLiteralType {
     boolean,
     iri,
     literal,
-}
-
-#[derive(Clone, Debug, Serialize, Deserialize)]
-#[allow(non_camel_case_types)]
-pub enum OrmSchemaPredicateType {
-    number,
-    string,
-    boolean,
-    iri,
-    literal,
-    nested,
-    eitherOf,
+    shape,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(untagged)]
-pub enum OrmLiterals {
+pub enum OrmSchemaLiterals {
     Bool(bool),
     NumArray(Vec<f64>),
     StrArray(Vec<String>),
@@ -88,26 +79,47 @@ pub enum OrmLiterals {
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct OrmSchemaDataType {
     pub valType: OrmSchemaLiteralType,
-    pub literals: Option<OrmLiterals>,
+    pub literals: Option<OrmSchemaLiterals>,
+    pub shape: Option<String>,
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct OrmSchemaPredicate {
-    pub valType: OrmSchemaPredicateType,
+    pub dataTypes: Vec<OrmSchemaDataType>,
     pub iri: String,
     pub readablePredicate: String,
-    pub literalValue: Option<Value>, // Strictly speaking, no objects.
-    pub nestedShape: Option<String>, // Only by reference.
-    pub maxCardinality: i64,         // -1 for infinity
+    /// `-1` for infinity
+    pub maxCardinality: i64,
     pub minCardinality: i64,
-    pub eitherOf: Option<Vec<OrmSchemaEitherOfOption>>, // Shape references or multi type.
     pub extra: Option<bool>,
 }
 
-// TODO: Will this be serialized correctly?
-#[derive(Clone, Debug, Serialize, Deserialize)]
-#[serde(untagged)]
-pub enum OrmSchemaEitherOfOption {
-    ShapeRef(String),
-    DataType(OrmSchemaDataType),
+impl Default for OrmSchemaDataType {
+    fn default() -> Self {
+        Self {
+            literals: None,
+            shape: None,
+            valType: OrmSchemaLiteralType::string,
+        }
+    }
+}
+
+impl Default for OrmSchemaPredicate {
+    fn default() -> Self {
+        Self {
+            dataTypes: Vec::new(),
+            iri: String::new(),
+            readablePredicate: String::new(),
+            maxCardinality: -1,
+            minCardinality: 0,
+            extra: None,
+        }
+    }
+}
+
+/** == Internal data types == */
+#[derive(Clone, Debug)]
+pub struct OrmShapeTypeRef {
+    ref_count: u64,
+    shape_type: OrmShapeType,
 }

ng-repo/src/errors.rs

@@ -397,6 +397,7 @@ pub enum VerifierError {
     ContactAlreadyExists,
     InternalError,
     InvalidInboxPost,
+    InvalidOrmSchema,
 }
 
 impl Error for VerifierError {}

ng-verifier/Cargo.toml

@@ -39,6 +39,7 @@ ng-repo = { path = "../ng-repo", version = "0.1.2" }
 ng-net = { path = "../ng-net", version = "0.1.2" }
 ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.8-ngalpha" }
 once_cell = "1.17.1"
+regex = "1.8.4"
 
 [target.'cfg(target_family = "wasm")'.dependencies]
 ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.8-ngalpha", features = [

ng-verifier/src/orm.rs

@@ -12,11 +12,13 @@ use std::collections::HashMap;
 use futures::channel::mpsc;
 
 use futures::SinkExt;
-use ng_net::app_protocol::*;
+use lazy_static::lazy_static;
 pub use ng_net::orm::OrmDiff;
 pub use ng_net::orm::OrmShapeType;
+use ng_net::orm::{OrmSchemaDataType, OrmSchemaShape};
+use ng_net::orm::{OrmSchemaLiteralType, OrmSchemaLiterals};
+use ng_net::{app_protocol::*, orm::OrmSchema};
 use ng_net::{
-    connection::NoiseFSM,
     types::*,
     utils::{Receiver, Sender},
 };
@@ -24,7 +26,9 @@ use ng_oxigraph::oxigraph::sparql::{results::*, Query, QueryResults};
 use ng_oxigraph::oxrdf::Term;
 use ng_oxigraph::oxrdf::Triple;
 use ng_repo::errors::NgError;
+use ng_repo::errors::VerifierError;
 use ng_repo::log::*;
+use regex::Regex;
 
 use crate::types::*;
 use crate::verifier::*;
@@ -88,7 +92,7 @@ impl Verifier {
         let results = oxistore
             .query(parsed, None)
             .map_err(|e| NgError::OxiGraphError(e.to_string()))?;
-        match results {
+        let sols = match results {
             QueryResults::Solutions(sols) => {
                 let mut results = vec![];
                 for t in sols {
@@ -103,12 +107,15 @@ impl Verifier {
                 Ok(results)
             }
             _ => return Err(NgError::InvalidResponse),
-        }
+        };
+        sols
     }
 
+    fn create_orm_from_triples(&mut self, scope: &NuriV0, shape_type: &OrmShapeType) {}
+
     pub(crate) async fn orm_update(&mut self, scope: &NuriV0, patch: GraphQuadsPatch) {}
 
-    pub(crate) async fn frontend_update_orm(
+    pub(crate) async fn orm_frontend_update(
         &mut self,
         scope: &NuriV0,
         shape_id: String,
@@ -150,7 +157,7 @@ impl Verifier {
     pub(crate) async fn start_orm(
         &mut self,
         nuri: &NuriV0,
-        schema: &OrmShapeType,
+        shape_type: &OrmShapeType,
         session_id: u64,
     ) -> Result<(Receiver<AppResponse>, CancelFn), NgError> {
         let (tx, rx) = mpsc::unbounded::<AppResponse>();
@@ -158,12 +165,12 @@ impl Verifier {
         self.orm_subscriptions.insert(
             nuri.clone(),
             HashMap::from([(
-                schema.shape.clone(),
+                shape_type.shape.clone(),
                 HashMap::from([(session_id, tx.clone())]),
             )]),
         );
 
-        //self.push_orm_response().await;
+        //self.push_orm_response().await; (only for requester, not all sessions)
 
         let close = Box::new(move || {
             //log_debug!("CLOSE_CHANNEL of subscription for branch {}", branch_id);
@@ -174,3 +181,231 @@ impl Verifier {
         Ok((rx, close))
     }
 }
+
+fn is_iri(s: &str) -> bool {
+    lazy_static! {
+        static ref IRI_REGEX: Regex = Regex::new(r"^[A-Za-z][A-Za-z0-9+\.\-]{1,12}:").unwrap();
+    }
+    IRI_REGEX.is_match(s)
+}
+
+fn literal_to_sparql_str(var: OrmSchemaDataType) -> Vec<String> {
+    match var.literals {
+        None => [].to_vec(),
+        Some(literals) => match literals {
+            OrmSchemaLiterals::Bool(val) => {
+                if val == true {
+                    ["true".to_string()].to_vec()
+                } else {
+                    ["false".to_string()].to_vec()
+                }
+            }
+            OrmSchemaLiterals::NumArray(numbers) => {
+                numbers.iter().map(|num| num.to_string()).collect()
+            }
+            OrmSchemaLiterals::StrArray(stings) => stings
+                .iter()
+                .map(|str| {
+                    // We assume that strings can be IRIs (currently no support for typed literals).
+                    if is_iri(str) {
+                        format!("<{}>", escape_iri(str))
+                    } else {
+                        format!("\"{}\"", escape_literal(str))
+                    }
+                })
+                .collect(),
+        },
+    }
+}
+
+pub fn sparql_construct_from_orm_shape_type(
+    shape_type: &OrmShapeType,
+    max_recursion: Option<u8>,
+) -> Result<String, NgError> {
+    // Use a counter to generate unique variable names.
+    let mut var_counter = 0;
+    fn get_new_var_name(counter: &mut i32) -> String {
+        let name = format!("v{}", counter);
+        *counter += 1;
+        name
+    }
+
+    // Collect all statements to be added to the construct and where bodies.
+    let mut construct_statements = Vec::new();
+    let mut where_statements = Vec::new();
+
+    // Keep track of visited shapes while recursing to prevent infinite loops.
+    // TODO: Update type
+    let mut visited_shapes: HashMap<String, u8> = HashMap::new();
+
+    // Recursive function to call for (nested) shapes.
+    fn process_shape(
+        schema: &OrmSchema,
+        shape: &OrmSchemaShape,
+        subject_var_name: &str,
+        construct_statements: &mut Vec<String>,
+        where_statements: &mut Vec<String>,
+        var_counter: &mut i32,
+        visited_shapes: &mut HashMap<String, u8>,
+        max_recursion: u8,
+    ) {
+        // Prevent infinite recursion on cyclic schemas.
+        // Keep track of the number of shape occurrences and return if it's larger than max_recursion.
+        // For the last recursion, we could use by-reference queries but that could be for the future.
+        let current_self_recursion_depth = visited_shapes.get(&shape.iri).unwrap_or(&0);
+        if *current_self_recursion_depth > max_recursion {
+            return;
+        } else {
+            visited_shapes.insert(shape.iri.clone(), current_self_recursion_depth + 1);
+        }
+
+        // Add statements for each predicate.
+        for predicate in &shape.predicates {
+            let mut union_branches = Vec::new();
+            let mut allowed_literals = Vec::new();
+
+            // Predicate constraints might have more than one acceptable data type. Traverse each.
+            // It is assumed that constant literals, nested shapes and regular types are not mixed.
+            for datatype in &predicate.dataTypes {
+                if datatype.valType == OrmSchemaLiteralType::literal {
+                    // Collect allowed literals and as strings
+                    // (already in SPARQL-format, e.g. `"a astring"`, `<http:ex.co/>`, `true`, or `42`).
+                    allowed_literals.extend(literal_to_sparql_str(datatype.clone()));
+                } else if datatype.valType == OrmSchemaLiteralType::shape {
+                    if let Some(shape_id) = &datatype.shape {
+                        if let Some(nested_shape) = schema.get(shape_id) {
+                            // For the current acceptable shape, add CONSTRUCT, WHERE, and recurse.
+
+                            // Each shape option gets its own var.
+                            let obj_var_name = get_new_var_name(var_counter);
+
+                            construct_statements.push(format!(
+                                "  ?{} <{}> ?{}",
+                                subject_var_name, predicate.iri, obj_var_name
+                            ));
+                            // Those are later added to a UNION, if there is more than one shape.
+                            union_branches.push(format!(
+                                "  ?{} <{}> ?{}",
+                                subject_var_name, predicate.iri, obj_var_name
+                            ));
+
+                            // Recurse to add statements for nested object.
+                            process_shape(
+                                schema,
+                                nested_shape,
+                                &obj_var_name,
+                                construct_statements,
+                                where_statements,
+                                var_counter,
+                                visited_shapes,
+                                max_recursion,
+                            );
+                        }
+                    }
+                }
+            }
+
+            // The where statement which might be wrapped in OPTIONAL.
+            let where_body: String;
+
+            if !allowed_literals.is_empty()
+                && !predicate.extra.unwrap_or(false)
+                && predicate.minCardinality > 0
+            {
+                // If we have literal requirements and they are not optional ("extra"),
+                // Add CONSTRUCT, WHERE, and FILTER.
+
+                let pred_var_name = get_new_var_name(var_counter);
+                construct_statements.push(format!(
+                    "  ?{} <{}> ?{}",
+                    subject_var_name, predicate.iri, pred_var_name
+                ));
+                where_body = format!(
+                    "  ?{s} <{p}> ?{o} . \n    FILTER (?{o} IN ({lits}))",
+                    s = subject_var_name,
+                    p = predicate.iri,
+                    o = pred_var_name,
+                    lits = allowed_literals.join(", ")
+                );
+            } else if !union_branches.is_empty() {
+                // We have nested shape(s) which were already added to CONSTRUCT above.
+                // Join them with UNION.
+
+                where_body = union_branches
+                    .into_iter()
+                    .map(|b| format!("{{\n{}\n}}", b))
+                    .collect::<Vec<_>>()
+                    .join(" UNION ");
+            } else {
+                // Regular predicate data type. Just add basic CONSTRUCT and WHERE statements.
+
+                let pred_var_name = get_new_var_name(var_counter);
+                construct_statements.push(format!(
+                    "  ?{} <{}> ?{}",
+                    subject_var_name, predicate.iri, pred_var_name
+                ));
+                where_body = format!(
+                    "  ?{} <{}> ?{}",
+                    subject_var_name, predicate.iri, pred_var_name
+                );
+            }
+
+            // Wrap in optional, if necessary.
+            if predicate.minCardinality < 1 {
+                where_statements.push(format!("  OPTIONAL {{\n{}\n  }}", where_body));
+            } else {
+                where_statements.push(where_body);
+            };
+        }
+
+        visited_shapes.remove(&shape.iri);
+    }
+
+    let root_shape = shape_type
+        .schema
+        .get(&shape_type.shape)
+        .ok_or(VerifierError::InvalidOrmSchema)?;
+
+    // Root subject variable name
+    let root_var_name = get_new_var_name(&mut var_counter);
+
+    process_shape(
+        &shape_type.schema,
+        root_shape,
+        &root_var_name,
+        &mut construct_statements,
+        &mut where_statements,
+        &mut var_counter,
+        &mut visited_shapes,
+        max_recursion.unwrap_or(1),
+    );
+
+    // Create query from statements.
+    let construct_body = construct_statements.join(" .\n");
+    let where_body = where_statements.join(" .\n");
+    Ok(format!(
+        "CONSTRUCT {{\n{}\n}}\nWHERE {{\n{}\n}}",
+        construct_body, where_body
+    ))
+}
+
+// Escape an IRI fragment if needed (very conservative, only wrap with <...>). Assumes input already a full IRI.
+fn escape_iri(iri: &str) -> String {
+    format!("<{}>", iri)
+}
+
+// SPARQL literal escape: backslash, quotes, newlines, tabs.
+fn escape_literal(lit: &str) -> String {
+    let mut out = String::with_capacity(lit.len() + 4);
+    for c in lit.chars() {
+        match c {
+            '\\' => out.push_str("\\\\"),
+            '\"' => out.push_str("\\\""),
+            '\n' => out.push_str("\\n"),
+            '\r' => out.push_str("\\r"),
+            '\t' => out.push_str("\\t"),
+            _ => out.push(c),
+        }
+    }
+    return out;
+}

ng-verifier/src/request_processor.rs

@@ -49,16 +49,14 @@ impl Verifier {
         command: &AppRequestCommandV0,
         nuri: &NuriV0,
         _payload: &Option<AppRequestPayload>,
-        session_id: u64
+        session_id: u64,
     ) -> Result<(Receiver<AppResponse>, CancelFn), NgError> {
         match command {
-            AppRequestCommandV0::OrmStart => {
-                match _payload {
-                    Some(AppRequestPayload::V0(AppRequestPayloadV0::OrmStart(shape_type))) => {
-                        self.start_orm(nuri, shape_type, session_id).await
-                    },
-                    _ => return Err(NgError::InvalidArgument)
+            AppRequestCommandV0::OrmStart => match _payload {
+                Some(AppRequestPayload::V0(AppRequestPayloadV0::OrmStart(shape_type))) => {
+                    self.start_orm(nuri, shape_type, session_id).await
                 }
+                _ => return Err(NgError::InvalidArgument),
             },
             AppRequestCommandV0::Fetch(fetch) => match fetch {
                 AppFetchContentV0::Subscribe => {
@@ -162,8 +160,12 @@ impl Verifier {
         }
     }
 
-    pub(crate) async fn update_header(&mut self, target: &NuriTargetV0, title: Option<String>, about: Option<String>) -> Result<(), VerifierError> {
-
+    pub(crate) async fn update_header(
+        &mut self,
+        target: &NuriTargetV0,
+        title: Option<String>,
+        about: Option<String>,
+    ) -> Result<(), VerifierError> {
         let (repo_id, branch_id, store_repo) = self.resolve_header_branch(target)?;
         let graph_name = NuriV0::branch_repo_graph_name(
             &branch_id,
@@ -196,9 +198,7 @@ impl Verifier {
                 );
             }
         }
-        let query = format!(
-            "DELETE {{ {deletes} }} INSERT {{ {inserts} }} WHERE {{ {wheres} }}"
-        );
+        let query = format!("DELETE {{ {deletes} }} INSERT {{ {inserts} }} WHERE {{ {wheres} }}");
 
         let oxistore = self.graph_dataset.as_ref().unwrap();
 
@@ -212,13 +212,12 @@ impl Verifier {
                 if inserts.is_empty() && removes.is_empty() {
                     Ok(())
                 } else {
-                    self
-                        .prepare_sparql_update(
-                            Vec::from_iter(inserts),
-                            Vec::from_iter(removes),
-                            self.get_peer_id_for_skolem(),
-                        )
-                        .await?;
+                    self.prepare_sparql_update(
+                        Vec::from_iter(inserts),
+                        Vec::from_iter(removes),
+                        self.get_peer_id_for_skolem(),
+                    )
+                    .await?;
                     Ok(())
                 }
             }
@@ -628,24 +627,26 @@ impl Verifier {
         destination: String,
         store_repo: Option<StoreRepo>,
     ) -> Result<String, NgError> {
-    
         let class = BranchCrdt::from(crdt, class_name)?;
-    
+
         let nuri = if store_repo.is_none() {
             NuriV0::new_private_store_target()
         } else {
             NuriV0::from_store_repo(&store_repo.unwrap())
         };
-    
+
         let destination = DocCreateDestination::from(destination)?;
-    
-        self.doc_create(nuri, DocCreate {
-            class,
-            destination,
-        }).await
+
+        self.doc_create(nuri, DocCreate { class, destination })
+            .await
     }
 
-    pub(crate) async fn sparql_query(&self, nuri: &NuriV0, sparql: String, base: Option<String>) -> Result<QueryResults, VerifierError>  {
+    pub(crate) async fn sparql_query(
+        &self,
+        nuri: &NuriV0,
+        sparql: String,
+        base: Option<String>,
+    ) -> Result<QueryResults, VerifierError> {
         //log_debug!("query={}", query);
         let store = self.graph_dataset.as_ref().unwrap();
         let mut parsed = Query::parse(&sparql, base.as_deref())
@@ -658,27 +659,22 @@ impl Verifier {
         }
         store
             .query(parsed, self.resolve_target_for_sparql(&nuri.target, false)?)
-                .map_err(|e| VerifierError::SparqlError(e.to_string()))
+            .map_err(|e| VerifierError::SparqlError(e.to_string()))
     }
 
     pub(crate) async fn doc_create(
         &mut self,
         nuri: NuriV0,
-        doc_create: DocCreate
+        doc_create: DocCreate,
     ) -> Result<String, NgError> {
         //TODO: deal with doc_create.destination
 
         let user_id = self.user_id().clone();
         let user_priv_key = self.user_privkey().clone();
         let primary_class = doc_create.class.class().clone();
-        let (_,_,store) = self.resolve_target(&nuri.target)?;
+        let (_, _, store) = self.resolve_target(&nuri.target)?;
         let repo_id = self
-            .new_repo_default(
-                &user_id,
-                &user_priv_key,
-                &store,
-                doc_create.class,
-            )
+            .new_repo_default(&user_id, &user_priv_key, &store, doc_create.class)
             .await?;
 
         let header_branch_id = {
@@ -687,8 +683,7 @@ impl Verifier {
         };
 
         // adding an AddRepo commit to the Store branch of store.
-        self.send_add_repo_to_store(&repo_id, &store)
-            .await?;
+        self.send_add_repo_to_store(&repo_id, &store).await?;
 
         // adding an ldp:contains triple to the store main branch
         let overlay_id = store.outer_overlay();
@@ -696,7 +691,9 @@ impl Verifier {
         let nuri_result = NuriV0::repo_graph_name(&repo_id, &overlay_id);
         let store_nuri = NuriV0::from_store_repo(&store);
         let store_nuri_string = NuriV0::repo_id(store.repo_id());
-        let query = format!("INSERT DATA {{ <{store_nuri_string}> <http://www.w3.org/ns/ldp#contains> <{nuri}>. }}");
+        let query = format!(
+            "INSERT DATA {{ <{store_nuri_string}> <http://www.w3.org/ns/ldp#contains> <{nuri}>. }}"
+        );
 
         let ret = self
             .process_sparql_update(&store_nuri, &query, &None, vec![])
@@ -722,26 +719,35 @@ impl Verifier {
         Ok(nuri_result)
     }
 
-    fn get_profile_for_inbox_post(&self, public: bool) -> Result<(StoreRepo, PrivKey),NgError> {
-
+    fn get_profile_for_inbox_post(&self, public: bool) -> Result<(StoreRepo, PrivKey), NgError> {
         let from_profile_id = if !public {
             self.config.protected_store_id.unwrap()
         } else {
             self.config.public_store_id.unwrap()
         };
-        
-        let repo = self.repos.get(&from_profile_id).ok_or(NgError::RepoNotFound)?;
+
+        let repo = self
+            .repos
+            .get(&from_profile_id)
+            .ok_or(NgError::RepoNotFound)?;
         let inbox = repo.inbox.to_owned().ok_or(NgError::InboxNotFound)?;
         let store_repo = repo.store.get_store_repo();
 
-        Ok( (store_repo.clone(), inbox.clone()) )
+        Ok((store_repo.clone(), inbox.clone()))
     }
 
-    async fn import_contact_from_qrcode(&mut self, repo_id: RepoId, contact: NgQRCodeProfileSharingV0) -> Result<(), VerifierError> {
-
+    async fn import_contact_from_qrcode(
+        &mut self,
+        repo_id: RepoId,
+        contact: NgQRCodeProfileSharingV0,
+    ) -> Result<(), VerifierError> {
         let inbox_nuri_string: String = NuriV0::inbox(&contact.inbox);
         let profile_nuri_string: String = NuriV0::from_store_repo_string(&contact.profile);
-        let a_or_b = if contact.profile.is_public() { "site" } else { "protected" };
+        let a_or_b = if contact.profile.is_public() {
+            "site"
+        } else {
+            "protected"
+        };
 
         // checking if this contact has already been added
         match self.sparql_query(
@@ -755,7 +761,8 @@ impl Verifier {
         }
 
         // getting the privkey of the inbox and ovelray because we will need it here below to send responses.
-        let (from_profile, from_inbox) = self.get_profile_for_inbox_post(contact.profile.is_public())?;
+        let (from_profile, from_inbox) =
+            self.get_profile_for_inbox_post(contact.profile.is_public())?;
 
         // get the name and optional email address of the profile we will respond with.
         // if we don't have a name, we fail
@@ -787,26 +794,37 @@ impl Verifier {
 
         let contact_doc_nuri_string = NuriV0::repo_id(&repo_id);
         let contact_doc_nuri = NuriV0::new_repo_target_from_id(&repo_id);
-        let has_email = contact.email.map_or("".to_string(), |email| format!("<> vcard:hasEmail \"{email}\"."));
+        let has_email = contact.email.map_or("".to_string(), |email| {
+            format!("<> vcard:hasEmail \"{email}\".")
+        });
 
-        let sparql_update = format!(" PREFIX ng: <did:ng:x:ng#>
+        let sparql_update = format!(
+            " PREFIX ng: <did:ng:x:ng#>
             PREFIX vcard: <http://www.w3.org/2006/vcard/ns#>
             INSERT DATA {{  <> ng:{a_or_b} <{profile_nuri_string}>.
                             <> ng:{a_or_b}_inbox <{inbox_nuri_string}>.
                             <> a vcard:Individual .
                             <> vcard:fn \"{}\".
-                            {has_email} }}", contact.name);
+                            {has_email} }}",
+            contact.name
+        );
         let ret = self
-            .process_sparql_update(&contact_doc_nuri, &sparql_update, &Some(contact_doc_nuri_string), vec![])
+            .process_sparql_update(
+                &contact_doc_nuri,
+                &sparql_update,
+                &Some(contact_doc_nuri_string),
+                vec![],
+            )
             .await;
         if let Err(e) = ret {
             return Err(VerifierError::SparqlError(e));
         }
 
-        self.update_header(&contact_doc_nuri.target, Some(contact.name), None).await?;
+        self.update_header(&contact_doc_nuri.target, Some(contact.name), None)
+            .await?;
 
         self.post_to_inbox(InboxPost::new_contact_details(
-            from_profile, 
+            from_profile,
             from_inbox,
             contact.profile.outer_overlay(),
             contact.inbox,
@@ -814,31 +832,43 @@ impl Verifier {
             false,
             name,
             email,
-        )?).await?;
+        )?)
+        .await?;
 
         Ok(())
     }
 
-    pub(crate) async fn search_for_contacts(&self, excluding_profile_id_nuri: Option<String>) -> Result<Vec<(String,String)>, VerifierError> {
+    pub(crate) async fn search_for_contacts(
+        &self,
+        excluding_profile_id_nuri: Option<String>,
+    ) -> Result<Vec<(String, String)>, VerifierError> {
         let extra_conditions = if let Some(s) = excluding_profile_id_nuri {
-            format!("&& NOT EXISTS {{ ?c ng:site <{s}> }} && NOT EXISTS {{ ?c ng:protected <{s}> }}")
+            format!(
+                "&& NOT EXISTS {{ ?c ng:site <{s}> }} && NOT EXISTS {{ ?c ng:protected <{s}> }}"
+            )
         } else {
             String::new()
         };
-        let sparql = format!("PREFIX ng: <did:ng:x:ng#>
+        let sparql = format!(
+            "PREFIX ng: <did:ng:x:ng#>
             SELECT ?profile_id ?inbox_id WHERE 
                 {{ ?c a <http://www.w3.org/2006/vcard/ns#Individual> .
                     OPTIONAL {{ ?c ng:site ?profile_id . ?c ng:site_inbox ?inbox_id }}
                     OPTIONAL {{ ?c ng:protected ?profile_id . ?c ng:protected_inbox ?inbox_id }}
                     FILTER ( bound(?profile_id) {extra_conditions} )
-                }}");
+                }}"
+        );
         //log_info!("{sparql}");
-        let sols = match self.sparql_query(
-            &NuriV0::new_entire_user_site(),
-            sparql, None).await? 
+        let sols = match self
+            .sparql_query(&NuriV0::new_entire_user_site(), sparql, None)
+            .await?
         {
-            QueryResults::Solutions(sols) => { sols }
-            _ => return Err(VerifierError::SparqlError(NgError::InvalidResponse.to_string())),
+            QueryResults::Solutions(sols) => sols,
+            _ => {
+                return Err(VerifierError::SparqlError(
+                    NgError::InvalidResponse.to_string(),
+                ))
+            }
         };
 
         let mut res = vec![];
@@ -857,8 +887,7 @@ impl Verifier {
             }
         }
         Ok(res)
-
-}
+    }
 
     pub(crate) async fn process(
         &mut self,
@@ -867,30 +896,35 @@ impl Verifier {
         payload: Option<AppRequestPayload>,
     ) -> Result<AppResponse, NgError> {
         match command {
-            AppRequestCommandV0::OrmUpdate => {
-                match payload {
-                    Some(AppRequestPayload::V0(AppRequestPayloadV0::OrmUpdate((diff,shape_id)))) => {
-                        self.frontend_update_orm(&nuri, shape_id, diff).await
-                    },
-                    _ => return Err(NgError::InvalidArgument)
+            AppRequestCommandV0::OrmUpdate => match payload {
+                Some(AppRequestPayload::V0(AppRequestPayloadV0::OrmUpdate((diff, shape_id)))) => {
+                    self.orm_frontend_update(&nuri, shape_id, diff).await
                 }
+                _ => return Err(NgError::InvalidArgument),
             },
             AppRequestCommandV0::SocialQueryStart => {
-                let (from_profile, contacts_string, degree) = if let Some(AppRequestPayload::V0(AppRequestPayloadV0::SocialQueryStart{
-                    from_profile, contacts, degree
-                })) =
-                    payload
-                { (from_profile, contacts, degree) }
-                else {
-                    return Err(NgError::InvalidPayload);
-                };
+                let (from_profile, contacts_string, degree) =
+                    if let Some(AppRequestPayload::V0(AppRequestPayloadV0::SocialQueryStart {
+                        from_profile,
+                        contacts,
+                        degree,
+                    })) = payload
+                    {
+                        (from_profile, contacts, degree)
+                    } else {
+                        return Err(NgError::InvalidPayload);
+                    };
 
                 let query_id = nuri.target.repo_id();
 
                 // checking that the query hasn't been started yet
-                match self.sparql_query(
-                    &NuriV0::new_repo_target_from_id(query_id),
-                    format!("ASK {{ <> <did:ng:x:ng#social_query_forwarder> ?forwarder }}"), Some(NuriV0::repo_id(query_id))).await? 
+                match self
+                    .sparql_query(
+                        &NuriV0::new_repo_target_from_id(query_id),
+                        format!("ASK {{ <> <did:ng:x:ng#social_query_forwarder> ?forwarder }}"),
+                        Some(NuriV0::repo_id(query_id)),
+                    )
+                    .await?
                 {
                     QueryResults::Boolean(true) => {
                         return Err(NgError::SocialQueryAlreadyStarted);
@@ -921,32 +955,36 @@ impl Verifier {
 
                 //resolve from_profile
                 let from_profile_id = match from_profile.target {
-                    NuriTargetV0::ProtectedProfile => {
-                        self.config.protected_store_id.unwrap()
-                    }
-                    NuriTargetV0::PublicProfile => {
-                        self.config.public_store_id.unwrap()
-                    },
-                    _ => return Err(NgError::InvalidNuri)
+                    NuriTargetV0::ProtectedProfile => self.config.protected_store_id.unwrap(),
+                    NuriTargetV0::PublicProfile => self.config.public_store_id.unwrap(),
+                    _ => return Err(NgError::InvalidNuri),
                 };
                 let store = {
-                    let repo = self.repos.get(&from_profile_id).ok_or(NgError::RepoNotFound)?;
+                    let repo = self
+                        .repos
+                        .get(&from_profile_id)
+                        .ok_or(NgError::RepoNotFound)?;
                     repo.store.clone()
                 };
-                
+
                 let definition_commit_body_ref = nuri.get_first_commit_ref()?;
-                let block_ids = Commit::collect_block_ids(definition_commit_body_ref.clone(), &store, true)?;
-                let mut blocks= Vec::with_capacity(block_ids.len());
+                let block_ids =
+                    Commit::collect_block_ids(definition_commit_body_ref.clone(), &store, true)?;
+                let mut blocks = Vec::with_capacity(block_ids.len());
                 //log_info!("blocks nbr {}",block_ids.len());
                 for bid in block_ids.iter() {
                     blocks.push(store.get(bid)?);
                 }
 
                 // creating the ForwardedSocialQuery in the private store
-                let forwarder  = self.doc_create_with_store_repo(
-                    "Graph".to_string(), "social:query:forwarded".to_string(),
-                    "store".to_string(), None // meaning in private store
-                ).await?;
+                let forwarder = self
+                    .doc_create_with_store_repo(
+                        "Graph".to_string(),
+                        "social:query:forwarded".to_string(),
+                        "store".to_string(),
+                        None, // meaning in private store
+                    )
+                    .await?;
                 let forwarder_nuri = NuriV0::new_from_repo_graph(&forwarder)?;
                 let forwarder_id = forwarder_nuri.target.repo_id().clone();
                 let forwarder_nuri_string = NuriV0::repo_id(&forwarder_id);
@@ -965,28 +1003,36 @@ impl Verifier {
                 let sparql_update = format!("INSERT DATA {{ <> <did:ng:x:ng#social_query_id> <{social_query_doc_nuri_string}> .
                                                                     <> <did:ng:x:ng#social_query_started> \"{}\"^^<http://www.w3.org/2001/XMLSchema#dateTime> . }}",DateTime::now());
                 let ret = self
-                    .process_sparql_update(&forwarder_nuri, &sparql_update, &Some(forwarder_nuri_string), vec![])
+                    .process_sparql_update(
+                        &forwarder_nuri,
+                        &sparql_update,
+                        &Some(forwarder_nuri_string),
+                        vec![],
+                    )
                     .await;
                 if let Err(e) = ret {
                     log_err!("{sparql_update}");
                     return Err(NgError::SparqlError(e));
                 }
 
-                let from_profiles: ((StoreRepo, PrivKey), (StoreRepo, PrivKey)) = self.get_2_profiles()?;
+                let from_profiles: ((StoreRepo, PrivKey), (StoreRepo, PrivKey)) =
+                    self.get_2_profiles()?;
 
                 for (to_profile_nuri, to_inbox_nuri) in contacts {
-
-                    match self.social_query_dispatch(
-                        &to_profile_nuri, 
-                        &to_inbox_nuri, 
-                        &forwarder_nuri, 
-                        &forwarder_id,
-                        &from_profiles,
-                        query_id, 
-                        &definition_commit_body_ref, 
-                        &blocks, 
-                        degree
-                    ).await {
+                    match self
+                        .social_query_dispatch(
+                            &to_profile_nuri,
+                            &to_inbox_nuri,
+                            &forwarder_nuri,
+                            &forwarder_id,
+                            &from_profiles,
+                            query_id,
+                            &definition_commit_body_ref,
+                            &blocks,
+                            degree,
+                        )
+                        .await
+                    {
                         Ok(_) => {}
                         Err(e) => return Ok(AppResponse::error(e.to_string())),
                     }
@@ -1017,32 +1063,34 @@ impl Verifier {
                 // };
             }
             AppRequestCommandV0::QrCodeProfile => {
-                let size = if let Some(AppRequestPayload::V0(AppRequestPayloadV0::QrCodeProfile(size))) =
-                    payload
-                {
-                    size
-                } else {
-                    return Err(NgError::InvalidPayload);
-                };
+                let size =
+                    if let Some(AppRequestPayload::V0(AppRequestPayloadV0::QrCodeProfile(size))) =
+                        payload
+                    {
+                        size
+                    } else {
+                        return Err(NgError::InvalidPayload);
+                    };
                 let public = match nuri.target {
                     NuriTargetV0::PublicProfile => true,
                     NuriTargetV0::ProtectedProfile => false,
-                    _ => return Err(NgError::InvalidPayload)
+                    _ => return Err(NgError::InvalidPayload),
                 };
                 return match self.get_qrcode_for_profile(public, size).await {
                     Err(e) => Ok(AppResponse::error(e.to_string())),
-                    Ok(qrcode)  => Ok(AppResponse::text(qrcode)),
+                    Ok(qrcode) => Ok(AppResponse::text(qrcode)),
                 };
             }
             AppRequestCommandV0::QrCodeProfileImport => {
-                let profile = if let Some(AppRequestPayload::V0(AppRequestPayloadV0::QrCodeProfileImport( text))) =
-                    payload
+                let profile = if let Some(AppRequestPayload::V0(
+                    AppRequestPayloadV0::QrCodeProfileImport(text),
+                )) = payload
                 {
                     let ser = base64_url::decode(&text).map_err(|_| NgError::SerializationError)?;
-                    let code:NgQRCode = serde_bare::from_slice(&ser)?;
+                    let code: NgQRCode = serde_bare::from_slice(&ser)?;
                     let profile = match code {
                         NgQRCode::ProfileSharingV0(profile) => profile,
-                        _ => return Err(NgError::InvalidPayload)
+                        _ => return Err(NgError::InvalidPayload),
                     };
                     profile
                 } else {
@@ -1050,20 +1098,23 @@ impl Verifier {
                 };
                 let repo_id = match nuri.target {
                     NuriTargetV0::Repo(id) => id,
-                    _ => return Err(NgError::InvalidPayload)
+                    _ => return Err(NgError::InvalidPayload),
                 };
                 return match self.import_contact_from_qrcode(repo_id, profile).await {
                     Err(e) => Ok(AppResponse::error(e.to_string())),
-                    Ok(())  => Ok(AppResponse::ok()),
+                    Ok(()) => Ok(AppResponse::ok()),
                 };
             }
             AppRequestCommandV0::Header => {
                 if let Some(AppRequestPayload::V0(AppRequestPayloadV0::Header(doc_header))) =
                     payload
                 {
-                    return match self.update_header(&nuri.target, doc_header.title, doc_header.about).await {
+                    return match self
+                        .update_header(&nuri.target, doc_header.title, doc_header.about)
+                        .await
+                    {
                         Ok(_) => Ok(AppResponse::ok()),
-                        Err(e) => Ok(AppResponse::error(e.to_string()))
+                        Err(e) => Ok(AppResponse::error(e.to_string())),
                     };
                 } else {
                     return Err(NgError::InvalidPayload);
@@ -1076,7 +1127,7 @@ impl Verifier {
                     match self.doc_create(nuri, doc_create).await {
                         Err(NgError::SparqlError(e)) => Ok(AppResponse::error(e)),
                         Err(e) => Err(e),
-                        Ok(nuri_result) => Ok(AppResponse::V0(AppResponseV0::Nuri(nuri_result)))
+                        Ok(nuri_result) => Ok(AppResponse::V0(AppResponseV0::Nuri(nuri_result))),
                     }
                 } else {
                     Err(NgError::InvalidPayload)
@@ -1250,15 +1301,16 @@ impl Verifier {
                     return Ok(AppResponse::V0(AppResponseV0::Text(vec.join("\n"))));
                 }
                 AppFetchContentV0::CurrentHeads => {
-                    
                     if nuri.target.is_repo_id() {
-                        if let Ok(s) = self.get_main_branch_current_heads_nuri(nuri.target.repo_id()) {
+                        if let Ok(s) =
+                            self.get_main_branch_current_heads_nuri(nuri.target.repo_id())
+                        {
                             return Ok(AppResponse::V0(AppResponseV0::Text(s)));
                         }
                     }
                     return Ok(AppResponse::error(VerifierError::InvalidNuri.to_string()));
                 }
-                
+
                 AppFetchContentV0::History => {
                     if !nuri.is_valid_for_sparql_update() {
                         return Err(NgError::InvalidNuri);

ng-verifier/src/verifier.rs

@@ -25,6 +25,7 @@ use async_std::stream::StreamExt;
 use async_std::sync::{Mutex, RwLockReadGuard};
 use futures::channel::mpsc;
 use futures::SinkExt;
+use ng_net::orm::OrmShapeTypeRef;
 use ng_oxigraph::oxigraph::sparql::Query;
 use ng_oxigraph::oxigraph::sparql::QueryResults;
 use ng_oxigraph::oxrdf::Term;
@@ -111,7 +112,9 @@ pub struct Verifier {
     in_memory_outbox: Vec<EventOutboxStorage>,
     uploads: BTreeMap<u32, RandomAccessFile>,
     branch_subscriptions: HashMap<BranchId, Sender<AppResponse>>,
-    pub(crate) orm_subscriptions: HashMap<NuriV0, HashMap<String, HashMap<u64, Sender<AppResponse>>>>,
+    pub(crate) orm_subscriptions:
+        HashMap<NuriV0, HashMap<String, HashMap<u64, Sender<AppResponse>>>>,
+    pub(crate) orm_shape_types: HashMap<String, OrmShapeTypeRef>,
     pub(crate) temporary_repo_certificates: HashMap<RepoId, ObjectRef>,
 }
 
@@ -518,6 +521,7 @@ impl Verifier {
             uploads: BTreeMap::new(),
             branch_subscriptions: HashMap::new(),
             orm_subscriptions: HashMap::new(),
+            orm_shape_types: HashMap::new(),
             temporary_repo_certificates: HashMap::new(),
         }
     }
@@ -1288,9 +1292,9 @@ impl Verifier {
         // registering inbox for protected and public store. (FIXME: this should be done instead in the 1st connection during wallet creation)
         let remote = self.connected_broker.connected_or_err()?;
         let mut done = false;
-        for (_,store) in self.stores.iter() {
+        for (_, store) in self.stores.iter() {
             if store.id() == self.protected_store_id() || store.id() == self.public_store_id() {
-                let repo = self.get_repo( store.id(), &store.get_store_repo())?;
+                let repo = self.get_repo(store.id(), &store.get_store_repo())?;
                 let inbox = repo.inbox.to_owned().unwrap();
                 // sending InboxRegister
                 let msg = InboxRegister::new(inbox, store.outer_overlay())?;
@@ -1568,8 +1572,11 @@ impl Verifier {
         Ok(())
     }
 
-    pub async fn get_qrcode_for_profile(&self, public: bool, size: u32) -> Result<String, VerifierError> {
-
+    pub async fn get_qrcode_for_profile(
+        &self,
+        public: bool,
+        size: u32,
+    ) -> Result<String, VerifierError> {
         let profile_id = if public {
             self.public_store_id()
         } else {
@@ -1577,21 +1584,31 @@ impl Verifier {
         };
 
         let repo = self.repos.get(&profile_id).ok_or(NgError::RepoNotFound)?;
-        let inbox = repo.inbox.to_owned().ok_or(NgError::InboxNotFound)?.to_pub();
+        let inbox = repo
+            .inbox
+            .to_owned()
+            .ok_or(NgError::InboxNotFound)?
+            .to_pub();
         let profile = repo.store.get_store_repo().clone();
 
-        let sparql = format!("
+        let sparql = format!(
+            "
                     PREFIX vcard: <http://www.w3.org/2006/vcard/ns#>
                     SELECT ?name ?email WHERE 
                     {{ <> vcard:fn ?name .
                        <> vcard:hasEmail ?email .
-                    }}");
+                    }}"
+        );
         //log_info!("{sparql}");
-        let (name, email) = match self.sparql_query(
-            &NuriV0::new_repo_target_from_id(profile_id),
-            sparql, Some(NuriV0::repo_id(profile_id))).await? 
+        let (name, email) = match self
+            .sparql_query(
+                &NuriV0::new_repo_target_from_id(profile_id),
+                sparql,
+                Some(NuriV0::repo_id(profile_id)),
+            )
+            .await?
         {
-            QueryResults::Solutions(mut sols) => { 
+            QueryResults::Solutions(mut sols) => {
                 match sols.next() {
                     None => {
                         //log_info!("name or email not found");
@@ -1613,39 +1630,39 @@ impl Verifier {
                         };
                         (name, email)
                     }
-                }       
+                }
+            }
+            _ => {
+                return Err(VerifierError::SparqlError(
+                    NgError::InvalidResponse.to_string(),
+                ))
             }
-            _ => return Err(VerifierError::SparqlError(NgError::InvalidResponse.to_string())),
         };
         if name.is_none() {
             return Err(VerifierError::InvalidProfile);
         }
-        let profile_sharing = NgQRCode::ProfileSharingV0(NgQRCodeProfileSharingV0 { 
-            inbox, 
-            profile, 
-            name: name.unwrap(), 
-            email
+        let profile_sharing = NgQRCode::ProfileSharingV0(NgQRCodeProfileSharingV0 {
+            inbox,
+            profile,
+            name: name.unwrap(),
+            email,
         });
 
         let ser = serde_bare::to_vec(&profile_sharing)?;
         let encoded = base64_url::encode(&ser);
         log_info!("qrcode= {encoded}");
         match QrCode::with_error_correction_level(encoded.as_bytes(), qrcode::EcLevel::M) {
-            Ok(qr) => {
-                Ok(qr
-                    .render()
-                    .max_dimensions(size, size)
-                    .dark_color(svg::Color("#000000"))
-                    .light_color(svg::Color("#ffffff"))
-                    .build()
-                )
-            }
+            Ok(qr) => Ok(qr
+                .render()
+                .max_dimensions(size, size)
+                .dark_color(svg::Color("#000000"))
+                .light_color(svg::Color("#ffffff"))
+                .build()),
             Err(e) => Err(VerifierError::QrCode(e.to_string())),
         }
     }
 
     pub async fn inbox(&mut self, msg: &InboxMsg, from_queue: bool) {
-        
         //log_info!("RECEIVED INBOX MSG {:?}", msg);
 
         match self.inboxes.get(&msg.body.to_inbox) {
@@ -1660,27 +1677,31 @@ impl Verifier {
                                     if let Err(e) = res {
                                         log_err!("Error during process_inbox {e}");
                                     }
-                                },
+                                }
                                 Err(e) => {
                                     log_err!("cannot unseal inbox msg {e}");
                                 }
                             }
                         }
-                    },
+                    }
                     None => {}
                 }
-            },
+            }
             None => {}
         }
 
-        if from_queue && self.connected_broker.is_some(){
+        if from_queue && self.connected_broker.is_some() {
             log_info!("try to pop one more inbox msg");
             // try to pop inbox msg
             let connected_broker = self.connected_broker.clone();
             let broker = BROKER.read().await;
             let user = self.user_id().clone();
             let _ = broker
-                .send_client_event(&Some(user), &connected_broker.into(), ClientEvent::InboxPopRequest)
+                .send_client_event(
+                    &Some(user),
+                    &connected_broker.into(),
+                    ClientEvent::InboxPopRequest,
+                )
                 .await;
         }
     }
@@ -1794,12 +1815,15 @@ impl Verifier {
         }
     }
 
-    pub(crate) fn get_main_branch_current_heads_nuri(&self, repo_id: &RepoId) -> Result<String, VerifierError> {
+    pub(crate) fn get_main_branch_current_heads_nuri(
+        &self,
+        repo_id: &RepoId,
+    ) -> Result<String, VerifierError> {
         if let Some(repo) = self.repos.get(repo_id) {
             if let Some(info) = repo.main_branch() {
                 let mut res = NuriV0::repo_id(repo_id);
                 for head in info.current_heads.iter() {
-                    res = [res,NuriV0::commit_ref(head)].join(":");
+                    res = [res, NuriV0::commit_ref(head)].join(":");
                 }
                 return Ok(res);
             }
@@ -1886,14 +1910,22 @@ impl Verifier {
         let storage = match self.repos.get_mut(&inbox_cap.repo_id) {
             Some(repo) => {
                 repo.inbox = Some(inbox_cap.priv_key.clone());
-                log_info!("INBOX for {} : {}", inbox_cap.repo_id.to_string(), inbox_cap.priv_key.to_pub().to_string());
+                log_info!(
+                    "INBOX for {} : {}",
+                    inbox_cap.repo_id.to_string(),
+                    inbox_cap.priv_key.to_pub().to_string()
+                );
                 self.inboxes.insert(inbox_cap.priv_key.to_pub(), repo.id);
                 self.user_storage_if_persistent()
             }
             None => self.user_storage(),
         };
         if let Some(user_storage) = storage {
-            user_storage.update_inbox_cap(&inbox_cap.repo_id, &inbox_cap.overlay, &inbox_cap.priv_key)?;
+            user_storage.update_inbox_cap(
+                &inbox_cap.repo_id,
+                &inbox_cap.overlay,
+                &inbox_cap.priv_key,
+            )?;
         }
 
         Ok(())
@@ -2782,6 +2814,7 @@ impl Verifier {
             uploads: BTreeMap::new(),
             branch_subscriptions: HashMap::new(),
             orm_subscriptions: HashMap::new(),
+            orm_shape_types: HashMap::new(),
             temporary_repo_certificates: HashMap::new(),
         };
         // this is important as it will load the last seq from storage
@@ -2839,8 +2872,14 @@ impl Verifier {
         //self.populate_topics(&repo);
         let _ = self.add_doc(&repo.id, &repo.store.overlay_id);
         if repo.inbox.is_some() {
-            log_info!("INBOX for {} : {}", repo.id.to_string(), repo.inbox.as_ref().unwrap().to_pub().to_string());
-            _ = self.inboxes.insert(repo.inbox.as_ref().unwrap().to_pub(), repo.id);
+            log_info!(
+                "INBOX for {} : {}",
+                repo.id.to_string(),
+                repo.inbox.as_ref().unwrap().to_pub().to_string()
+            );
+            _ = self
+                .inboxes
+                .insert(repo.inbox.as_ref().unwrap().to_pub(), repo.id);
         }
         let repo_ref = self.repos.entry(repo.id).or_insert(repo);
         repo_ref

sdk/ng-sdk-js/examples/multi-framework-signals/src/ng-mock/wasm-land/sparql/buildConstruct.ts

@@ -82,7 +82,7 @@ function addConstructPattern(
         (pred.minCardinality ?? 0) === 0 &&
         (options?.includeOptionalForMinZero ?? true);
 
-    if (pred.valType === "nested" && pred.nestedShape) {
+    if (pred.dataTypes === "nested" && pred.nestedShape) {
         template.push(triple);
         const nestedBody: string[] = [triple];
         const nestedPreds = pred.nestedShape.predicates;
@@ -108,7 +108,7 @@ function addConstructPattern(
     template.push(triple);
     const blockLines: string[] = [triple];
 
-    if (pred.valType === "literal" && pred.literalValue !== undefined) {
+    if (pred.dataTypes === "literal" && pred.literalValue !== undefined) {
         if (Array.isArray(pred.literalValue)) {
             valuesBlocks.push(valuesBlock(objVar, pred.literalValue as any[]));
         } else {

sdk/ng-sdk-js/examples/multi-framework-signals/src/ng-mock/wasm-land/sparql/buildSparqlConstructFromShape.ts

@@ -35,7 +35,7 @@ export const buildConstructQuery = ({
         for (const pred of predicates) {
             const subjectVarName = getVarNameFor(shapeId);
 
-            if (pred.valType === "nested") {
+            if (pred.dataTypes === "nested") {
                 if (typeof pred.nestedShape !== "string")
                     throw new Error("Nested shapes must be by reference");
 

sdk/ng-sdk-js/examples/multi-framework-signals/src/ng-mock/wasm-land/sparql/testShape.schema.ts

@@ -10,7 +10,7 @@ export const testShapeSchema: Schema = {
         iri: "http://example.org/TestObject",
         predicates: [
             {
-                valType: "literal",
+                dataTypes: "literal",
                 literalValue: ["TestObject"],
                 maxCardinality: 1,
                 minCardinality: 1,
@@ -19,35 +19,35 @@ export const testShapeSchema: Schema = {
                 extra: true,
             },
             {
-                valType: "string",
+                dataTypes: "string",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/stringValue",
                 readablePredicate: "stringValue",
             },
             {
-                valType: "number",
+                dataTypes: "number",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/numValue",
                 readablePredicate: "numValue",
             },
             {
-                valType: "boolean",
+                dataTypes: "boolean",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/boolValue",
                 readablePredicate: "boolValue",
             },
             {
-                valType: "number",
+                dataTypes: "number",
                 maxCardinality: -1,
                 minCardinality: 0,
                 iri: "http://example.org/arrayValue",
                 readablePredicate: "arrayValue",
             },
             {
-                valType: "nested",
+                dataTypes: "nested",
                 nestedShape:
                     "http://example.org/TestObject||http://example.org/objectValue",
                 maxCardinality: 1,
@@ -56,7 +56,7 @@ export const testShapeSchema: Schema = {
                 readablePredicate: "objectValue",
             },
             {
-                valType: "nested",
+                dataTypes: "nested",
                 nestedShape:
                     "http://example.org/TestObject||http://example.org/anotherObject",
                 maxCardinality: -1,
@@ -65,7 +65,7 @@ export const testShapeSchema: Schema = {
                 readablePredicate: "anotherObject",
             },
             {
-                valType: "eitherOf",
+                dataTypes: "eitherOf",
                 eitherOf: [
                     {
                         valType: "string",
@@ -85,21 +85,21 @@ export const testShapeSchema: Schema = {
         iri: "http://example.org/TestObject||http://example.org/objectValue",
         predicates: [
             {
-                valType: "string",
+                dataTypes: "string",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/nestedString",
                 readablePredicate: "nestedString",
             },
             {
-                valType: "number",
+                dataTypes: "number",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/nestedNum",
                 readablePredicate: "nestedNum",
             },
             {
-                valType: "number",
+                dataTypes: "number",
                 maxCardinality: -1,
                 minCardinality: 0,
                 iri: "http://example.org/nestedArray",
@@ -111,14 +111,14 @@ export const testShapeSchema: Schema = {
         iri: "http://example.org/TestObject||http://example.org/anotherObject",
         predicates: [
             {
-                valType: "string",
+                dataTypes: "string",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/prop1",
                 readablePredicate: "prop1",
             },
             {
-                valType: "number",
+                dataTypes: "number",
                 maxCardinality: 1,
                 minCardinality: 1,
                 iri: "http://example.org/prop2",

sdk/ng-sdk-js/examples/multi-framework-signals/src/shapes/ldo/catShape.schema.ts

@@ -6,73 +6,104 @@ import type { Schema } from "@nextgraph-monorepo/ng-shex-orm";
  * =============================================================================
  */
 export const catShapeSchema: Schema = {
-    "http://example.org/Cat": {
-        iri: "http://example.org/Cat",
-        predicates: [
-            {
-                valType: "literal",
-                literalValue: ["http://example.org/Cat"],
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
-                readablePredicate: "type",
-            },
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/name",
-                readablePredicate: "name",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/age",
-                readablePredicate: "age",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/numberOfHomes",
-                readablePredicate: "numberOfHomes",
-            },
-            {
-                valType: "nested",
-                nestedShape:
-                    "http://example.org/Cat||http://example.org/address",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/address",
-                readablePredicate: "address",
-            },
+  "http://example.org/Cat": {
+    iri: "http://example.org/Cat",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "literal",
+            literals: ["http://example.org/Cat"],
+          },
         ],
-    },
-    "http://example.org/Cat||http://example.org/address": {
-        iri: "http://example.org/Cat||http://example.org/address",
-        predicates: [
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/street",
-                readablePredicate: "street",
-            },
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/houseNumber",
-                readablePredicate: "houseNumber",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/floor",
-                readablePredicate: "floor",
-            },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
+        readablePredicate: "type",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
         ],
-    },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/name",
+        readablePredicate: "name",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/age",
+        readablePredicate: "age",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/numberOfHomes",
+        readablePredicate: "numberOfHomes",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "shape",
+            shape: "http://example.org/Cat||http://example.org/address",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/address",
+        readablePredicate: "address",
+      },
+    ],
+  },
+  "http://example.org/Cat||http://example.org/address": {
+    iri: "http://example.org/Cat||http://example.org/address",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/street",
+        readablePredicate: "street",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/houseNumber",
+        readablePredicate: "houseNumber",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/floor",
+        readablePredicate: "floor",
+      },
+    ],
+  },
 };

sdk/ng-sdk-js/examples/multi-framework-signals/src/shapes/ldo/personShape.schema.ts

@@ -6,66 +6,93 @@ import type { Schema } from "@nextgraph-monorepo/ng-shex-orm";
  * =============================================================================
  */
 export const personShapeSchema: Schema = {
-    "http://example.org/Person": {
-        iri: "http://example.org/Person",
-        predicates: [
-            {
-                valType: "literal",
-                literalValue: ["http://example.org/Person"],
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
-                readablePredicate: "type",
-            },
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/name",
-                readablePredicate: "name",
-            },
-            {
-                valType: "nested",
-                nestedShape:
-                    "http://example.org/Person||http://example.org/address",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/address",
-                readablePredicate: "address",
-            },
-            {
-                valType: "boolean",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/hasChildren",
-                readablePredicate: "hasChildren",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/numberOfHouses",
-                readablePredicate: "numberOfHouses",
-            },
+  "http://example.org/Person": {
+    iri: "http://example.org/Person",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "literal",
+            literals: ["http://example.org/Person"],
+          },
         ],
-    },
-    "http://example.org/Person||http://example.org/address": {
-        iri: "http://example.org/Person||http://example.org/address",
-        predicates: [
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/street",
-                readablePredicate: "street",
-            },
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/houseNumber",
-                readablePredicate: "houseNumber",
-            },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
+        readablePredicate: "type",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
         ],
-    },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/name",
+        readablePredicate: "name",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "shape",
+            shape: "http://example.org/Person||http://example.org/address",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/address",
+        readablePredicate: "address",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "boolean",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/hasChildren",
+        readablePredicate: "hasChildren",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/numberOfHouses",
+        readablePredicate: "numberOfHouses",
+      },
+    ],
+  },
+  "http://example.org/Person||http://example.org/address": {
+    iri: "http://example.org/Person||http://example.org/address",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/street",
+        readablePredicate: "street",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/houseNumber",
+        readablePredicate: "houseNumber",
+      },
+    ],
+  },
 };

sdk/ng-sdk-js/examples/multi-framework-signals/src/shapes/ldo/testShape.schema.ts

@@ -6,132 +6,183 @@ import type { Schema } from "@nextgraph-monorepo/ng-shex-orm";
  * =============================================================================
  */
 export const testShapeSchema: Schema = {
-    "http://example.org/TestObject": {
-        iri: "http://example.org/TestObject",
-        predicates: [
-            {
-                valType: "literal",
-                literalValue: ["http://example.org/TestObject"],
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
-                readablePredicate: "type",
-                extra: true,
-            },
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/stringValue",
-                readablePredicate: "stringValue",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/numValue",
-                readablePredicate: "numValue",
-            },
-            {
-                valType: "boolean",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/boolValue",
-                readablePredicate: "boolValue",
-            },
-            {
-                valType: "number",
-                maxCardinality: -1,
-                minCardinality: 0,
-                iri: "http://example.org/arrayValue",
-                readablePredicate: "arrayValue",
-            },
-            {
-                valType: "nested",
-                nestedShape:
-                    "http://example.org/TestObject||http://example.org/objectValue",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/objectValue",
-                readablePredicate: "objectValue",
-            },
-            {
-                valType: "nested",
-                nestedShape:
-                    "http://example.org/TestObject||http://example.org/anotherObject",
-                maxCardinality: -1,
-                minCardinality: 0,
-                iri: "http://example.org/anotherObject",
-                readablePredicate: "anotherObject",
-            },
-            {
-                valType: "eitherOf",
-                eitherOf: [
-                    {
-                        valType: "string",
-                    },
-                    {
-                        valType: "number",
-                    },
-                ],
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/numOrStr",
-                readablePredicate: "numOrStr",
-            },
-            {
-                valType: "literal",
-                literalValue: ["lit1", "lit2"],
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/lit1Or2",
-                readablePredicate: "lit1Or2",
-            },
+  "http://example.org/TestObject": {
+    iri: "http://example.org/TestObject",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "literal",
+            literals: ["http://example.org/TestObject"],
+          },
         ],
-    },
-    "http://example.org/TestObject||http://example.org/objectValue": {
-        iri: "http://example.org/TestObject||http://example.org/objectValue",
-        predicates: [
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/nestedString",
-                readablePredicate: "nestedString",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/nestedNum",
-                readablePredicate: "nestedNum",
-            },
-            {
-                valType: "number",
-                maxCardinality: -1,
-                minCardinality: 0,
-                iri: "http://example.org/nestedArray",
-                readablePredicate: "nestedArray",
-            },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://www.w3.org/1999/02/22-rdf-syntax-ns#type",
+        readablePredicate: "type",
+        extra: true,
+      },
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
         ],
-    },
-    "http://example.org/TestObject||http://example.org/anotherObject": {
-        iri: "http://example.org/TestObject||http://example.org/anotherObject",
-        predicates: [
-            {
-                valType: "string",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/prop1",
-                readablePredicate: "prop1",
-            },
-            {
-                valType: "number",
-                maxCardinality: 1,
-                minCardinality: 1,
-                iri: "http://example.org/prop2",
-                readablePredicate: "prop2",
-            },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/stringValue",
+        readablePredicate: "stringValue",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
         ],
-    },
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/numValue",
+        readablePredicate: "numValue",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "boolean",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/boolValue",
+        readablePredicate: "boolValue",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: -1,
+        minCardinality: 0,
+        iri: "http://example.org/arrayValue",
+        readablePredicate: "arrayValue",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "shape",
+            shape:
+              "http://example.org/TestObject||http://example.org/objectValue",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/objectValue",
+        readablePredicate: "objectValue",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "shape",
+            shape:
+              "http://example.org/TestObject||http://example.org/anotherObject",
+          },
+        ],
+        maxCardinality: -1,
+        minCardinality: 0,
+        iri: "http://example.org/anotherObject",
+        readablePredicate: "anotherObject",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/numOrStr",
+        readablePredicate: "numOrStr",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "literal",
+            literals: ["lit1", "lit2"],
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/lit1Or2",
+        readablePredicate: "lit1Or2",
+      },
+    ],
+  },
+  "http://example.org/TestObject||http://example.org/objectValue": {
+    iri: "http://example.org/TestObject||http://example.org/objectValue",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/nestedString",
+        readablePredicate: "nestedString",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/nestedNum",
+        readablePredicate: "nestedNum",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: -1,
+        minCardinality: 0,
+        iri: "http://example.org/nestedArray",
+        readablePredicate: "nestedArray",
+      },
+    ],
+  },
+  "http://example.org/TestObject||http://example.org/anotherObject": {
+    iri: "http://example.org/TestObject||http://example.org/anotherObject",
+    predicates: [
+      {
+        dataTypes: [
+          {
+            valType: "string",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/prop1",
+        readablePredicate: "prop1",
+      },
+      {
+        dataTypes: [
+          {
+            valType: "number",
+          },
+        ],
+        maxCardinality: 1,
+        minCardinality: 1,
+        iri: "http://example.org/prop2",
+        readablePredicate: "prop2",
+      },
+    ],
+  },
 };

sdk/ng-sdk-js/ng-shex-orm/src/schema-converter/converter.ts

@@ -77,27 +77,38 @@ function flattenSchema(shapes: Shape[]): ShapeSchema {
     for (const shape of shapes) {
         schema[shape.iri] = shape;
 
-        // Find nested, unflattened (i.e. anonymous) schemas in properties.
-        const nestedSchemaPredicates = shape.predicates.filter(
-            (pred) =>
-                pred.valType === "nested" &&
-                typeof pred.nestedShape === "object"
-        );
-
-        for (const pred of nestedSchemaPredicates) {
-            const newId = shape.iri + "||" + pred.iri;
+        // Find nested, unflattened (i.e. anonymous) schemas in predicates' dataTypes.
+        for (const pred of shape.predicates) {
+            for (let i = 0; i < pred.dataTypes.length; i++) {
+                const dt = pred.dataTypes[i];
+                if (
+                    dt.valType === "shape" &&
+                    typeof dt.shape === "object" &&
+                    dt.shape !== null
+                ) {
+                    // create a deterministic id for the nested shape; include index if multiple shape entries exist
+                    const shapeCount = pred.dataTypes.filter(
+                        (d) => d.valType === "shape"
+                    ).length;
+                    const newId =
+                        shape.iri +
+                        "||" +
+                        pred.iri +
+                        (shapeCount > 1 ? `||${i}` : "");
 
-            // Recurse
-            const flattened = flattenSchema([
-                {
-                    ...(pred.nestedShape as Shape),
-                    iri: newId,
-                },
-            ]);
-            // Replace the nested schema with its new id.
-            pred.nestedShape = newId;
+                    // Recurse
+                    const flattened = flattenSchema([
+                        {
+                            ...(dt.shape as Shape),
+                            iri: newId,
+                        },
+                    ]);
+                    // Replace the nested schema with its new id.
+                    dt.shape = newId;
 
-            schema = { ...schema, ...flattened };
+                    schema = { ...schema, ...flattened };
+                }
+            }
         }
         // Flatten / Recurse
     }

sdk/ng-sdk-js/ng-shex-orm/src/schema-converter/transformers/ShexJSchemaTransformer.ts

@@ -65,7 +65,7 @@ export const ShexJSchemaTransformerCompact = ShexJTraverser.createTransformer<
         EachOf: { return: Shape };
         TripleConstraint: { return: Predicate };
         NodeConstraint: { return: DataType };
-        ShapeOr: { return: (DataType | Shape | string)[] };
+        ShapeOr: { return: DataType[] };
         ShapeAnd: { return: never };
         ShapeNot: { return: never };
         ShapeExternal: { return: never };
@@ -143,24 +143,31 @@ export const ShexJSchemaTransformerCompact = ShexJTraverser.createTransformer<
             if (typeof transformedChildren.valueExpr === "string") {
                 // Reference to nested object
                 return {
-                    valType: "nested",
-                    nestedShape: transformedChildren.valueExpr,
+                    dataTypes: [
+                        {
+                            valType: "shape",
+                            shape: transformedChildren.valueExpr,
+                        },
+                    ],
                     ...commonProperties,
-                } satisfies Predicate;
+                };
             } else if (
                 transformedChildren.valueExpr &&
                 (transformedChildren.valueExpr as Shape).predicates
             ) {
                 // Nested object
                 return {
-                    valType: "nested",
-                    nestedShape: transformedChildren.valueExpr as Shape,
+                    dataTypes: [
+                        {
+                            valType: "shape",
+                            shape: transformedChildren.valueExpr as Shape,
+                        },
+                    ],
                     ...commonProperties,
-                } satisfies Predicate;
+                };
             } else if (Array.isArray(transformedChildren.valueExpr)) {
                 return {
-                    valType: "eitherOf",
-                    eitherOf: transformedChildren.valueExpr,
+                    dataTypes: transformedChildren.valueExpr, // DataType[]
                     ...commonProperties,
                 };
             } else {
@@ -168,10 +175,14 @@ export const ShexJSchemaTransformerCompact = ShexJTraverser.createTransformer<
                 const nodeConstraint =
                     transformedChildren.valueExpr as DataType;
                 return {
-                    valType: nodeConstraint.valType,
-                    literalValue: nodeConstraint.literals,
+                    dataTypes: [
+                        {
+                            valType: nodeConstraint.valType,
+                            literals: nodeConstraint.literals,
+                        },
+                    ],
                     ...commonProperties,
-                } satisfies Predicate;
+                };
             }
         },
     },
@@ -192,6 +203,8 @@ export const ShexJSchemaTransformerCompact = ShexJTraverser.createTransformer<
                     valType: "literal",
                     literals: nodeConstraint.values.map(
                         // TODO: We do not convert them to number or boolean or lang tag.
+                        // And we don't have an annotation of the literal's type.
+                        // @ts-expect-error
                         (valueRecord) => valueRecord.value || valueRecord.id
                     ),
                 };
@@ -210,11 +223,9 @@ export const ShexJSchemaTransformerCompact = ShexJTraverser.createTransformer<
         transformer: async (shapeOr, getTransformedChildren) => {
             const { shapeExprs } = await getTransformedChildren();
             // Either a shape IRI, a nested shape or a node CompactSchemaValue (node constraint).
-            return (Array.isArray(shapeExprs) ? shapeExprs : [shapeExprs]) as (
-                | string
-                | Shape
-                | DataType
-            )[];
+            return (
+                Array.isArray(shapeExprs) ? shapeExprs : [shapeExprs]
+            ) as DataType[];
         },
     },
 

sdk/ng-sdk-js/ng-shex-orm/src/types.ts

@@ -17,27 +17,25 @@ export interface Shape {
 }
 
 export type DataType = {
+    /** The required literal value(s), if type is `literal`. Others are allowed, if `extra` is true. */
     literals?: number[] | string[] | boolean;
-    valType: "number" | "string" | "boolean" | "iri" | "literal";
+    /** If `valType` is `"shape"`, the nested shape or its reference. Use reference for serialization. */
+    shape?: string | Shape;
+    /** The type of object value for a triple constraint. */
+    valType: "number" | "string" | "boolean" | "iri" | "literal" | "shape";
 };
 
 export interface Predicate {
-    /** Type of property. */
-    valType: DataType["valType"] | "nested" | "eitherOf";
+    /** Allowed type of object. If more than one is present, either of them is allowed. */
+    dataTypes: DataType[];
     /** The RDF predicate URI. */
     iri: string;
     /** The alias of the `predicateUri` when serialized to a JSON object. */
     readablePredicate: string;
-    /** The required literal value(s), if type is `literal`. Others are allowed, if `extra` is true. */
-    literalValue?: number | string | boolean | number[] | string[]; // TODO: We could live without this and use eitherOf instead...
-    /** If type is `nested`, the shape or its IRI.  */
-    nestedShape?: string | Shape; // TODO: Only allow Shape while parsing from traverser. We flatten afterwards.
     /** Maximum allowed number of values. `-1` means infinite. */
     maxCardinality: number;
     /** Minimum required number of values */
     minCardinality: number;
-    /** If type is `eitherOf`, specifies multiple allowed types (CompactSchemaValue, shapes, or shape IRI). */
-    eitherOf?: (DataType | Shape | string)[]; // TODO: Shape is going to be by reference.
     /** If other (additional) values are permitted. Useful for literals. */
     extra?: boolean;
 }