feat: signal server tag

toju-app/src/app/infrastructure/persistence/browser-database.service.ts

@@ -11,12 +11,11 @@ import {
 import type { ChatAttachmentMeta, CustomEmoji } from '../../shared-kernel';
 import { getStoredCurrentUserId } from '../../core/storage/current-user-storage';
 import type { RoomMessageStats } from './database.service';
+import { applyBrowserDatabaseSchema, BROWSER_DATABASE_VERSION } from './browser-database-schema';
 
 /** IndexedDB database name for the MetoYou application. */
 const DATABASE_NAME = 'metoyou';
 const ANONYMOUS_DATABASE_SCOPE = 'anonymous';
-/** IndexedDB schema version - bump when adding/changing object stores. */
-const DATABASE_VERSION = 3;
 /** Names of every object store used by the application. */
 const STORE_MESSAGES = 'messages';
 const STORE_USERS = 'users';
@@ -432,10 +431,26 @@ export class BrowserDatabaseService {
 
   private openDatabase(databaseName: string): Promise<IDBDatabase> {
     return new Promise((resolve, reject) => {
-      const request = indexedDB.open(databaseName, DATABASE_VERSION);
+      const request = indexedDB.open(databaseName, BROWSER_DATABASE_VERSION);
 
       request.onerror = () => reject(request.error);
-      request.onupgradeneeded = () => this.setupSchema(request.result);
+
+      request.onupgradeneeded = (event) => {
+        const upgradeTransaction = (event.target as IDBOpenDBRequest).transaction;
+
+        if (!upgradeTransaction) {
+          reject(new Error('IndexedDB upgrade transaction is unavailable'));
+          return;
+        }
+
+        try {
+          applyBrowserDatabaseSchema(request.result, upgradeTransaction);
+        } catch (error) {
+          upgradeTransaction.abort();
+          reject(error);
+        }
+      };
+
       request.onsuccess = () => resolve(request.result);
     });
   }
@@ -446,58 +461,6 @@ export class BrowserDatabaseService {
     this.activeDatabaseName = null;
   }
 
-  private setupSchema(database: IDBDatabase): void {
-    const messagesStore = this.ensureStore(database, STORE_MESSAGES, { keyPath: 'id' });
-
-    this.ensureIndex(messagesStore, 'roomId', 'roomId');
-    this.ensureIndex(messagesStore, 'timestamp', 'timestamp');
-
-    this.ensureStore(database, STORE_USERS, { keyPath: 'id' });
-
-    const roomsStore = this.ensureStore(database, STORE_ROOMS, { keyPath: 'id' });
-
-    this.ensureIndex(roomsStore, 'timestamp', 'timestamp');
-
-    const reactionsStore = this.ensureStore(database, STORE_REACTIONS, { keyPath: 'id' });
-
-    this.ensureIndex(reactionsStore, 'messageId', 'messageId');
-    this.ensureIndex(reactionsStore, 'userId', 'userId');
-
-    const bansStore = this.ensureStore(database, STORE_BANS, { keyPath: 'oderId' });
-
-    this.ensureIndex(bansStore, 'roomId', 'roomId');
-    this.ensureIndex(bansStore, 'expiresAt', 'expiresAt');
-
-    this.ensureStore(database, STORE_META, { keyPath: 'id' });
-
-    const attachmentsStore = this.ensureStore(database, STORE_ATTACHMENTS, { keyPath: 'id' });
-
-    this.ensureIndex(attachmentsStore, 'messageId', 'messageId');
-
-    const customEmojisStore = this.ensureStore(database, STORE_CUSTOM_EMOJIS, { keyPath: 'id' });
-
-    this.ensureIndex(customEmojisStore, 'updatedAt', 'updatedAt');
-    this.ensureIndex(customEmojisStore, 'creatorUserId', 'creatorUserId');
-  }
-
-  private ensureStore(
-    database: IDBDatabase,
-    name: string,
-    options?: IDBObjectStoreParameters
-  ): IDBObjectStore {
-    if (database.objectStoreNames.contains(name)) {
-      return (database.transaction(name, 'readonly') as IDBTransaction).objectStore(name);
-    }
-
-    return database.createObjectStore(name, options);
-  }
-
-  private ensureIndex(store: IDBObjectStore, name: string, keyPath: string): void {
-    if (!store.indexNames.contains(name)) {
-      store.createIndex(name, keyPath, { unique: false });
-    }
-  }
-
   private createTransaction(
     storeNames: string | string[],
     mode: IDBTransactionMode