feat(core): preview template & snapshot import (#8193)

packages/frontend/core/src/modules/import-template/services/import.ts

@@ -1,4 +1,5 @@
 import type { WorkspaceFlavour } from '@affine/env/workspace';
+import { ZipTransformer } from '@blocksuite/blocks';
 import type { WorkspaceMetadata, WorkspacesService } from '@toeverything/infra';
 import { Service } from '@toeverything/infra';
 
@@ -16,13 +17,18 @@ export class ImportTemplateService extends Service {
         metadata: workspaceMetadata,
       });
     await workspace.engine.waitForRootDocReady();
-    const newDoc = workspace.docCollection.createDoc({});
-    await workspace.engine.doc.storage.behavior.doc.set(
-      newDoc.spaceDoc.guid,
-      docBinary
+    const [importedDoc] = await ZipTransformer.importDocs(
+      workspace.docCollection,
+      new Blob([docBinary], {
+        type: 'application/zip',
+      })
     );
-    disposeWorkspace();
-    return newDoc.id;
+    if (importedDoc) {
+      disposeWorkspace();
+      return importedDoc.id;
+    } else {
+      throw new Error('Failed to import doc');
+    }
   }
 
   async importToNewWorkspace(

packages/frontend/core/src/modules/import-template/store/downloader.ts

@@ -7,9 +7,12 @@ export class TemplateDownloaderStore extends Store {
     super();
   }
 
-  async download(workspaceId: string, docId: string) {
+  async download(
+    /* not support workspaceid for now */ _workspaceId: string,
+    docId: string
+  ) {
     const response = await this.fetchService.fetch(
-      `/api/workspaces/${workspaceId}/docs/${docId}`,
+      `https://affine.pro/templates/snapshots/${docId}.zip `,
       {
         priority: 'high',
       } as any