69 lines
1.8 KiB
Dart
69 lines
1.8 KiB
Dart
import "package:sqflite/sqflite.dart";
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import "package:sqflite/sqlite_api.dart";
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import "package:path/path.dart";
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class DBHelper {
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DBHelper._();
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static DBHelper dbHelper = DBHelper._();
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late Database _database;
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Future<Database> get database async {
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_database = await _createDatabase();
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return _database;
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}
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Future<Database> _createDatabase() async {
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Database database =
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await openDatabase(join(await getDatabasesPath(), 'lists.db'),
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onCreate: (Database db, int version) {
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db.execute("""
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CREATE TABLE List(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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list_name TEXT
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is_template int2
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)
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""");
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db.execute("""
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CREATE TABLE Check(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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check_text TEXT,
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value int2,
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list_id INTEGER
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)
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""");
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db.execute("""
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INSERT INTO List(id, list_name, is_template)
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VALUES
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(0, 'test list', 0),
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(1, 'test template', 1)
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""");
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db.execute("""
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INSERT INTO CHECK(check_text, value, list_id)
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VALUES
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('test check', 1, 0),
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('test uncheck', 0, 0),
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('test check', 1, 1),
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('test uncheck', 0, 1)
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""");
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}, version: 1);
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return database;
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}
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Future<Map<String, dynamic>> getAllLists() async {
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Database db = await database;
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return db.query("List", where: "is_template = ?", whereArgs: ['0'])
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as Map<String, dynamic>;
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}
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Future<Map<String, dynamic>> getAllTemplates() async {
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Database db = await database;
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return db.query("List", where: "is_template = ?", whereArgs: ['1'])
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as Map<String, dynamic>;
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}
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}
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