sync product to local

2025-09-20 03:10:05 +07:00
parent 3022d8de9f
commit f104390141
21 changed files with 4461 additions and 514 deletions
@@ -0,0 +1,87 @@
+import 'dart:async';
+import 'package:sqflite/sqflite.dart';
+import 'package:path/path.dart';
+
+class DatabaseHelper {
+  static DatabaseHelper? _instance;
+  static Database? _database;
+
+  DatabaseHelper._internal();
+
+  static DatabaseHelper get instance {
+    _instance ??= DatabaseHelper._internal();
+    return _instance!;
+  }
+
+  Future<Database> get database async {
+    _database ??= await _initDatabase();
+    return _database!;
+  }
+
+  Future<Database> _initDatabase() async {
+    String path = join(await getDatabasesPath(), 'pos_database.db');
+
+    return await openDatabase(
+      path,
+      version: 1,
+      onCreate: _onCreate,
+      onUpgrade: _onUpgrade,
+    );
+  }
+
+  Future<void> _onCreate(Database db, int version) async {
+    // Products table
+    await db.execute('''
+      CREATE TABLE products (
+        id TEXT PRIMARY KEY,
+        organization_id TEXT,
+        category_id TEXT,
+        sku TEXT,
+        name TEXT,
+        description TEXT,
+        price INTEGER,
+        cost INTEGER,
+        business_type TEXT,
+        image_url TEXT,
+        printer_type TEXT,
+        metadata TEXT,
+        is_active INTEGER,
+        created_at TEXT,
+        updated_at TEXT
+      )
+    ''');
+
+    // Product Variants table
+    await db.execute('''
+      CREATE TABLE product_variants (
+        id TEXT PRIMARY KEY,
+        product_id TEXT,
+        name TEXT,
+        price_modifier INTEGER,
+        cost INTEGER,
+        metadata TEXT,
+        created_at TEXT,
+        updated_at TEXT,
+        FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE
+      )
+    ''');
+
+    // Create indexes for better performance
+    await db.execute(
+        'CREATE INDEX idx_products_category_id ON products(category_id)');
+    await db.execute('CREATE INDEX idx_products_name ON products(name)');
+    await db.execute('CREATE INDEX idx_products_sku ON products(sku)');
+    await db.execute(
+        'CREATE INDEX idx_products_description ON products(description)');
+  }
+
+  Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
+    // Handle database upgrades here
+  }
+
+  Future<void> close() async {
+    final db = await database;
+    await db.close();
+    _database = null;
+  }
+}
@@ -0,0 +1,29 @@
+import 'package:sqflite/sqflite.dart';
+
+class DatabaseMigrationHandler {
+  static Future<void> migrate(
+      Database db, int oldVersion, int newVersion) async {
+    if (oldVersion < 2) {
+      // Add indexes for better performance
+      await db.execute(
+          'CREATE INDEX IF NOT EXISTS idx_products_name_search ON products(name)');
+      await db.execute(
+          'CREATE INDEX IF NOT EXISTS idx_products_sku_search ON products(sku)');
+    }
+
+    if (oldVersion < 3) {
+      // Add full text search support
+      await db.execute(
+          'CREATE VIRTUAL TABLE products_fts USING fts5(name, sku, description, content=products, content_rowid=rowid)');
+      await db.execute(
+          'INSERT INTO products_fts SELECT name, sku, description FROM products');
+    }
+
+    if (oldVersion < 4) {
+      // Add sync tracking
+      await db.execute('ALTER TABLE products ADD COLUMN last_sync_at TEXT');
+      await db.execute(
+          'ALTER TABLE products ADD COLUMN sync_version INTEGER DEFAULT 1');
+    }
+  }
+}