Indexation of files to nodes

static/js/node_store.mjs

@@ -21,7 +21,7 @@ export class NodeStore {
 	}//}}}
 	initializeDB() {//{{{
 		return new Promise((resolve, reject) => {
-			const req = indexedDB.open('notes', 10)
+			const req = indexedDB.open('notes', 12)
 
 			// Schema upgrades for IndexedDB.
 			// These can start from different points depending on updates to Notes2 since a device was online.
@@ -31,6 +31,7 @@ export class NodeStore {
 				let sendQueue
 				let nodesHistory
 				let files
+				let filesNodelink
 				const db = event.target.result
 				const trx = event.target.transaction
 
@@ -80,6 +81,14 @@ export class NodeStore {
 						case 10:
 							trx.objectStore('files_metadata').createIndex('byUploaded', 'uploaded', { unique: false })
 							break
+
+						case 11:
+							db.createObjectStore('files_nodelink', { keyPath: 'UUID' })
+							break
+
+						case 12:
+							trx.objectStore('files_nodelink').createIndex('byNodeCount', 'NodeCount', { unique: false })
+							break
 					}
 				}
 			}
@@ -90,6 +99,7 @@ export class NodeStore {
 				this.nodesHistory = new NodeHistoryStore(this.db, 'nodes_history')
 				this.files = new SimpleNodeStore(this.db, 'files')
 				this.filesMetadata = new SimpleNodeStore(this.db, 'files_metadata')
+				this.filesNodelink = new FileNodesLinkStore(this.db, 'files_nodelink')
 				resolve()
 			}
 
@@ -231,7 +241,6 @@ export class NodeStore {
 					nodeStore = t.objectStore('nodes')
 
 					t.oncomplete = (_event) => {
-						console.log('complete')
 						resolve()
 					}
 
@@ -572,6 +581,51 @@ class NodeHistoryStore extends SimpleNodeStore {
 	}// }}}
 }
 
+class FileNodesLinkStore extends SimpleNodeStore {
+	async removeFileUUIDs(nodeUUID, fileUUIDs) {// {{{
+		for (const fileUUID of fileUUIDs) {
+			let nodelink = await this.get(fileUUID)
+
+			// Nothing to remove from.
+			if (nodelink === undefined)
+				continue
+
+			const idx = nodelink.Nodes.indexOf(nodeUUID)
+			if (idx > -1)
+				nodelink.Nodes.splice(idx, 1)
+
+			// Maintains an index to quickly find orphaned files.
+			nodelink.NodeCount = nodelink.Nodes.length
+
+			console.log('removing', nodelink)
+			await this.add({data: nodelink})
+		}
+	}// }}}
+	async addFileUUIDs(nodeUUID, fileUUIDs) {// {{{
+		for (const fileUUID of fileUUIDs) {
+			let nodelink = await this.get(fileUUID)
+
+			// Needs to be initialized if not existing already.
+			if (nodelink === undefined)
+				nodelink = {
+					UUID: fileUUID,
+					Nodes: [nodeUUID],
+				}
+
+			// Can get called with the same UUID as already there.
+			// No duplicates, only append if missing.
+			if (!nodelink.Nodes.includes(nodeUUID))
+				nodelink.Nodes.push(nodeUUID)
+
+			// Maintains an index to quickly find orphaned files.
+			nodelink.NodeCount = nodelink.Nodes.length
+
+			console.log('pushing', nodelink)
+			await this.add({data: nodelink})
+		}
+	}// }}}
+}
+
 export function uuidv7() {// {{{
 	// random bytes
 	const value = new Uint8Array(16)