Used subscription for read

packages/connected-nextgraph/src/NextGraphConnectedPlugin.ts

@@ -3,7 +3,6 @@ import type { NextGraphUri } from "./types";
 import { NextGraphResource } from "./resources/NextGraphResource";
 import ng from "nextgraph";
 import { isNextGraphUri } from "./util/isNextGraphUri";
-import { NoNextGraphStoreError } from "./results/NoNextGraphStoreError";
 
 export interface NextGraphConnectedContext {
   sessionId?: string;
@@ -13,7 +12,7 @@ export interface NextGraphConnectedContext {
 }
 
 export interface NextGraphCreateResourceOptions {
-  storeType?: "public" | "protected" | "private";
+  storeType?: "public" | "protected" | "private" | "group" | "dialog";
   storeRepo?: string;
 }
 
@@ -30,9 +29,7 @@ export interface NextGraphConnectedPlugin
     uri: NextGraphUri,
     context: ConnectedContext<this[]>,
   ) => NextGraphResource;
-  createResource(
-    context: ConnectedContext<this[]>,
-  ): Promise<NextGraphResource | NoNextGraphStoreError>;
+  createResource(context: ConnectedContext<this[]>): Promise<NextGraphResource>;
 }
 
 export const nextGraphConnectedPlugin: NextGraphConnectedPlugin = {
@@ -48,8 +45,8 @@ export const nextGraphConnectedPlugin: NextGraphConnectedPlugin = {
   createResource: async function (
     context: ConnectedContext<NextGraphConnectedPlugin[]>,
     options?: NextGraphCreateResourceOptions,
-  ): Promise<NextGraphResource | NoNextGraphStoreError> {
-    const storeType = options?.storeType ?? "protected";
+  ): Promise<NextGraphResource> {
+    const storeType = options?.storeType;
     const storeRepo =
       options?.storeRepo ??
       (storeType === "protected"
@@ -59,9 +56,6 @@ export const nextGraphConnectedPlugin: NextGraphConnectedPlugin = {
         : storeType === "private"
         ? context.nextgraph.privateStoreId
         : undefined);
-    if (!storeRepo) {
-      return new NoNextGraphStoreError();
-    }
 
     const nuri: NextGraphUri = await ng.doc_create(
       context.nextgraph.sessionId,

packages/connected-nextgraph/src/index.ts

@@ -4,3 +4,5 @@ export * from "./NextGraphConnectedPlugin";
 export * from "./resources/NextGraphResource";
 
 export * from "./util/isNextGraphUri";
+
+export * from "./results/NextGraphReadSuccess";

packages/connected-nextgraph/src/notifications/NextGraphNotificationSubscription.ts

@@ -10,6 +10,7 @@ export class NextGraphNotificationSubscription extends NotificationSubscription<
   private unsub: (() => void) | undefined;
 
   protected async open(): Promise<void> {
+    console.log("THIS WAS OPENED AND IT SHOULDNT BE");
     this.unsub = await ng.doc_subscribe(
       this.resource.uri,
       this.context.nextgraph.sessionId,

packages/connected-nextgraph/src/resources/NextGraphResource.ts

@@ -123,15 +123,25 @@ export class NextGraphResource
       this.loading = true;
       this.emit("update");
 
-      // Get the data
-      const sparqlResult = await ng.sparql_query(
-        this.context.nextgraph.sessionId,
-        `CONSTRUCT { ?s ?p ?o } WHERE { GRAPH <${this.uri}> { ?s ?p ?o } }`,
-        undefined,
+      // Fetch the data once using subscribe
+      await new Promise<void>(async (resolve, reject) => {
+        let unsub: () => void;
+        try {
+          unsub = await ng.doc_subscribe(
             this.uri,
+            this.context.nextgraph.sessionId,
+            async (response: NextGraphNotificationMessage) => {
+              if (response.V0.State) {
+                unsub();
+                await this.onNotification(response);
+                resolve();
+              }
+            },
           );
-      // Update the dataset
-      this.overwriteQuads(sparqlResult);
+        } catch (err) {
+          reject(err);
+        }
+      });
 
       // Update statuses
       const result = new NextGraphReadSuccess(this, false);
@@ -214,7 +224,11 @@ export class NextGraphResource
   }
 
   protected async onNotification(response: NextGraphNotificationMessage) {
-    if (response.V0.State?.graph) {
+    if (response.V0.State) {
+      if (!response.V0.State.graph) {
+        this.overwriteQuads([]);
+        return;
+      }
       const json_str = new TextDecoder().decode(
         response.V0.State.graph.triples,
       );

packages/connected-nextgraph/src/results/NoNextGraphStoreError.ts

@@ -1,8 +0,0 @@
-import { ErrorResult } from "@ldo/connected";
-
-export class NoNextGraphStoreError extends ErrorResult {
-  type = "noNextGraphStore" as const;
-  constructor(message?: string) {
-    super(message ?? "No NextGraph store was provided.");
-  }
-}