Added resolver for perspective from url method

src/core/PerspectivesController.ts

@@ -9,6 +9,7 @@ import Perspective from './Perspective'
 export default class PerspectivesController {
     #perspectiveHandles: Map<string, PerspectiveHandle>
     #perspectiveInstances: Map<string, Perspective>
+    #urlPerspectiveMap: Map<string, string>
     #rootConfigPath
     pubsub
     #context
@@ -20,6 +21,7 @@ export default class PerspectivesController {
 
         this.#perspectiveHandles = new Map<string, PerspectiveHandle>()
         this.#perspectiveInstances = new Map<string, Perspective>()
+        this.#urlPerspectiveMap = new Map<string, string>()
 
         const FILENAME = 'perspectives.json'
         const FILEPATH = path.join(rootConfigPath, FILENAME)
@@ -32,6 +34,9 @@ export default class PerspectivesController {
                 console.debug(`PerspectivesController: Found existing perspective "${k}":`, perspective)
                 this.#perspectiveInstances.set(k, new Perspective(perspective, this.#context, perspective.neighbourhood as Neighbourhood))
                 this.#perspectiveHandles.set(k, perspective)
+                if (perspective.sharedUrl && perspective.sharedUrl.includes('neighbourhood://')) {
+                    this.#urlPerspectiveMap.set(perspective.sharedUrl, k);
+                }
             })
         }
 
@@ -94,6 +99,12 @@ export default class PerspectivesController {
         }
     }
 
+    fromUrl(url: string): Perspective {
+        const uuid = this.#urlPerspectiveMap.get(url);
+
+        return this.perspective(uuid || "");
+    }
+
     async perspectiveSnapshot(uuid: string): Promise<Ad4mPerspective> {
         let perspective = this.#perspectiveInstances.get(uuid)
         if (!perspective) {
@@ -111,6 +122,9 @@ export default class PerspectivesController {
         } as PerspectiveHandle;
         this.#perspectiveHandles.set(perspective.uuid, perspective)
         this.#perspectiveInstances.set(perspective.uuid, new Perspective(perspective, this.#context, neighbourhood))
+        if (sharedUrl) {
+            this.#urlPerspectiveMap.set(sharedUrl, perspective.uuid)
+        }
         this.save()
         this.pubsub.publish(PubSub.PERSPECTIVE_ADDED_TOPIC, { perspective })
         return perspective
@@ -119,10 +133,15 @@ export default class PerspectivesController {
     replace(perspectiveHandle: PerspectiveHandle, neighbourhood: Neighbourhood) {
         this.#perspectiveHandles.set(perspectiveHandle.uuid, perspectiveHandle);
         this.#perspectiveInstances.set(perspectiveHandle.uuid, new Perspective(perspectiveHandle, this.#context, neighbourhood));
+        if (perspectiveHandle.sharedUrl) {
+            this.#urlPerspectiveMap.set(perspectiveHandle.sharedUrl, perspectiveHandle.uuid)
+        }
         this.save()
     }
 
     remove(uuid: string) {
+        const perspective = this.perspective(uuid);
+        this.#urlPerspectiveMap.delete(perspective.sharedUrl!);
         this.#perspectiveHandles.delete(uuid)
         this.#perspectiveInstances.delete(uuid)
         this.save()

src/core/PerspectivismCore.ts

@@ -133,6 +133,7 @@ export default class PerspectivismCore {
             params.ipfsSwarmPort, 
             params.ipfsRepoPath
         ), this.#holochain.run()]);
+        // @ts-ignore
         this.#IPFS = ipfs;
         //this.connectToHardwiredPerspect3vismAgent()
     }

src/core/graphQL-interface/GraphQL.ts

@@ -115,6 +115,10 @@ function createResolvers(core: PerspectivismCore) {
                 return core.perspectivesController.perspectiveID(args.uuid)
             },
             //@ts-ignore
+            fromUrl: (parent, args, context, info) => {
+                return core.perspectivesController.fromUrl(args.url)
+            },
+            //@ts-ignore
             perspectiveQueryLinks: async (parent, args, context, info) => {
                 const { uuid, query } = args
                 const perspective = core.perspectivesController.perspective(uuid)