books_dao.dart

import 'package:sembast/sembast.dart';
import 'package:sembast_demo/db/data_base.dart';
import 'package:sembast_demo/model/books_model.dart';

class BooksDao {
  static const String folderName = "Books";
  final _booksFolder = intMapStoreFactory.store(folderName);

  Future<Database> get _db async => await AppDatabase.instance.database;

  Future insertBooks(Books books) async {
    await _booksFolder.add(await _db, books.toJson());
  }

  Future updateBooks(Books books) async {
    final finder = Finder(filter: Filter.byKey(books.rollNo));
    await _booksFolder.update(await _db, books.toJson(), finder: finder);
  }

  Future delete(Books books) async {
    final finder = Finder(filter: Filter.byKey(books.rollNo));
    await _booksFolder.delete(await _db, finder: finder);
  }

  Future<List<Books>> getAllBooks() async {
    final recordSnapshot = await _booksFolder.find(await _db);
    return recordSnapshot.map((snapshot) {
      final books = Books.fromJson(snapshot.value);
      return books;
    }).toList();
  }
}