feat : login api call

packages/auth/lib/data/common/dio_error_handler.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+import 'package:rasadyar_core/core.dart';
+
+class DioErrorHandler {
+  void handle(DioException error) {
+    switch (error.response?.statusCode) {
+      case 401:
+        _handle401();
+        break;
+      case 403:
+        _handle403();
+        break;
+      default:
+        _handleGeneric(error);
+    }
+  }
+
+  //wrong password/user name => "detail": "No active account found with the given credentials" - 401
+  void _handle401() {
+    Get.showSnackbar(
+      _errorSnackBar('نام کاربری یا رمز عبور اشتباه است'),
+    );
+  }
+
+  //wrong captcha => "detail": "Captcha code is incorrect" - 403
+  void _handle403() {
+    Get.showSnackbar(
+      _errorSnackBar('کد امنیتی اشتباه است'),
+    );
+  }
+
+  void _handleGeneric(DioException error) {
+    // General error handling
+  }
+
+  GetSnackBar _errorSnackBar(String message) {
+    return GetSnackBar(
+      titleText: Text(
+        'خطا',
+        style: AppFonts.yekan14.copyWith(color: Colors.white),
+      ),
+      messageText: Text(
+        message,
+        style: AppFonts.yekan12.copyWith(color: Colors.white),
+      ),
+      backgroundColor: AppColor.error,
+      margin: EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+      borderRadius: 12,
+      duration: Duration(milliseconds: 3500),
+      snackPosition: SnackPosition.TOP,
+    );
+  }
+}