Printer Local data and remove unused

lib/core/database/database_handler.dart

@@ -23,7 +23,7 @@ class DatabaseHelper {
 
     return await openDatabase(
       path,
-      version: 1,
+      version: 2, // Updated version for printer table
       onCreate: _onCreate,
       onUpgrade: _onUpgrade,
     );
@@ -66,17 +66,49 @@ class DatabaseHelper {
       )
     ''');
 
+    // Printer table - NEW
+    await db.execute('''
+      CREATE TABLE printers (
+        id INTEGER PRIMARY KEY AUTOINCREMENT,
+        code TEXT UNIQUE NOT NULL,
+        name TEXT NOT NULL,
+        address TEXT,
+        paper TEXT,
+        type TEXT,
+        created_at TEXT,
+        updated_at TEXT
+      )
+    ''');
+
     // 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)');
+    await db.execute('CREATE INDEX idx_printers_code ON printers(code)');
+    await db.execute('CREATE INDEX idx_printers_type ON printers(type)');
   }
 
   Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
-    // Handle database upgrades here
+    if (oldVersion < 2) {
+      // Add printer table in version 2
+      await db.execute('''
+        CREATE TABLE printers (
+          id INTEGER PRIMARY KEY AUTOINCREMENT,
+          code TEXT UNIQUE NOT NULL,
+          name TEXT NOT NULL,
+          address TEXT,
+          paper TEXT,
+          type TEXT,
+          created_at TEXT,
+          updated_at TEXT
+        )
+      ''');
+
+      // Add indexes for printer table
+      await db.execute('CREATE INDEX idx_printers_code ON printers(code)');
+      await db.execute('CREATE INDEX idx_printers_type ON printers(type)');
+    }
   }
 
   Future<void> close() async {