refactor: move local workspace CRUD (#1778)

packages/workspace/src/local/crud.ts

@@ -0,0 +1,82 @@
+import { nanoid, Workspace as BlockSuiteWorkspace } from '@blocksuite/store';
+import { createJSONStorage } from 'jotai/utils';
+import { IndexeddbPersistence } from 'y-indexeddb';
+import { z } from 'zod';
+
+import { createLocalProviders } from '../providers';
+import type { LocalWorkspace, WorkspaceCRUD } from '../type';
+import { WorkspaceFlavour } from '../type';
+import { createEmptyBlockSuiteWorkspace } from '../utils';
+
+const getStorage = () => createJSONStorage(() => localStorage);
+
+const kStoreKey = 'affine-local-workspace';
+const schema = z.array(z.string());
+
+export const CRUD: WorkspaceCRUD<WorkspaceFlavour.LOCAL> = {
+  get: async workspaceId => {
+    const storage = getStorage();
+    !Array.isArray(storage.getItem(kStoreKey)) &&
+      storage.setItem(kStoreKey, []);
+    const data = storage.getItem(kStoreKey) as z.infer<typeof schema>;
+    const id = data.find(id => id === workspaceId);
+    if (!id) {
+      return null;
+    }
+    const blockSuiteWorkspace = createEmptyBlockSuiteWorkspace(
+      id,
+      (_: string) => undefined
+    );
+    const workspace: LocalWorkspace = {
+      id,
+      flavour: WorkspaceFlavour.LOCAL,
+      blockSuiteWorkspace: blockSuiteWorkspace,
+      providers: [...createLocalProviders(blockSuiteWorkspace)],
+    };
+    return workspace;
+  },
+  create: async ({ doc }) => {
+    const storage = getStorage();
+    !Array.isArray(storage.getItem(kStoreKey)) &&
+      storage.setItem(kStoreKey, []);
+    const data = storage.getItem(kStoreKey) as z.infer<typeof schema>;
+    const binary = BlockSuiteWorkspace.Y.encodeStateAsUpdateV2(doc);
+    const id = nanoid();
+    const blockSuiteWorkspace = createEmptyBlockSuiteWorkspace(
+      id,
+      (_: string) => undefined
+    );
+    BlockSuiteWorkspace.Y.applyUpdateV2(blockSuiteWorkspace.doc, binary);
+    const persistence = new IndexeddbPersistence(id, blockSuiteWorkspace.doc);
+    await persistence.whenSynced.then(() => {
+      persistence.destroy();
+    });
+    storage.setItem(kStoreKey, [...data, id]);
+    console.log('create', id, storage.getItem(kStoreKey));
+    return id;
+  },
+  delete: async workspace => {
+    const storage = getStorage();
+    !Array.isArray(storage.getItem(kStoreKey)) &&
+      storage.setItem(kStoreKey, []);
+    const data = storage.getItem(kStoreKey) as z.infer<typeof schema>;
+    const idx = data.findIndex(id => id === workspace.id);
+    if (idx === -1) {
+      throw new Error('workspace not found');
+    }
+    data.splice(idx, 1);
+    storage.setItem(kStoreKey, [...data]);
+  },
+  list: async () => {
+    const storage = getStorage();
+    !Array.isArray(storage.getItem(kStoreKey)) &&
+      storage.setItem(kStoreKey, []);
+    return (
+      await Promise.all(
+        (storage.getItem(kStoreKey) as z.infer<typeof schema>).map(id =>
+          CRUD.get(id)
+        )
+      )
+    ).filter(item => item !== null) as LocalWorkspace[];
+  },
+};