db-sync

Add a local database using IndexedDb, user can syncronize changes telegram (Or create new implementation following ISyncClient interface)

Dependencies

• GramJs when telegram chat is used as db

Installation

Run in your terminal

npm i @ea-utilities/db-sync

Usage (LocalDb)

export interface UserModel {
    id: string;
    name: string;
    lastName: string;
    birthday: Date;
}

DB

const indexedDb = new IndexedDbClient("localDb", ["users", ...]);
indexedDb.syncAll();

Collections

const usersCollection: DbInstace<UserModel> = new DbInstace(indexedDb, "users");
const filesCollection = new DbFileInstance(indexedDb);

Get data

const users = await usersCollection.get();

Save or update

usersCollection.addOrUpdate([...UserModel]);
usersCollection.add([...UserModel]);
usersCollection.update([...UserModel]);

Delete

usersCollection.delete(UserModel.id);

Listen for changes

usersCollection.subscribe(() => {
    users = await usersCollection.get();
});

Usage (Telegram sync)

const telegramInstance = new TelegramSyncClient(isConnected => {
    if (isConnected) {
        indexedDb?.syncAll();
    }
});

telegramInstance.auth({
    chatName: string;
    appId: number;
    appHash: string;
    session?: string;
    phone: string;
});

const indexedDb = new IndexedDbClient("localDb", ["users", ...], telegramInstance);
indexedDb?.syncAll();