feat : chicken root page , inventory , sale in province

packages/chicken/lib/data/common/constant.dart

@@ -0,0 +1,14 @@
+enum ApiEnvironment {
+  dam(url: 'https://api.dam.rasadyar.net/');
+
+  const ApiEnvironment({required this.url});
+
+  final String url;
+
+  String get baseUrl {
+    switch (this) {
+      case ApiEnvironment.dam:
+        return url;
+    }
+  }
+}

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

@@ -0,0 +1,58 @@
+import 'package:flutter/material.dart';
+import 'package:rasadyar_core/core.dart';
+
+class DioErrorHandler {
+  void handle(DioException error) {
+    switch (error.response?.statusCode) {
+      case 401:
+        _handleGeneric(error);
+        break;
+      case 403:
+        _handleGeneric(error);
+        break;
+
+      case 410:
+        _handle410();
+        break;
+      default:
+        _handleGeneric(error);
+    }
+  }
+
+  //wrong password/user name => "detail": "No active account found with the given credentials" - 401
+  void _handle410() {
+    Get.showSnackbar(_errorSnackBar('نام کاربری یا رمز عبور اشتباه است'));
+  }
+
+  //wrong captcha => "detail": "Captcha code is incorrect" - 403
+  void _handle403() {}
+
+  void _handleGeneric(DioException error) {
+    Get.showSnackbar(
+      _errorSnackBar(
+        error.response?.data.keys.first == 'is_user'
+            ? 'کاربر با این شماره تلفن وجود ندارد'
+            : error.response?.data[error.response?.data.keys.first] ??
+                  'خطا در برقراری ارتباط با سرور',
+      ),
+    );
+  }
+
+  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,
+    );
+  }
+}

packages/chicken/lib/data/common/dio_manager.dart

@@ -0,0 +1,33 @@
+import 'package:rasadyar_auth/data/repositories/auth_repository_imp.dart';
+import 'package:rasadyar_core/core.dart';
+
+import '../di/chicken_di.dart';
+import 'constant.dart';
+
+class DioRemoteManager {
+  DioRemote? _currentClient;
+  ApiEnvironment? _currentEnv;
+
+  Future<DioRemote> setEnvironment([
+    ApiEnvironment env = ApiEnvironment.dam,
+  ]) async {
+    if (_currentEnv != env) {
+      _currentClient = DioRemote(baseUrl: env.baseUrl);
+      await _currentClient?.init();
+      _currentEnv = env;
+    }
+    return _currentClient!;
+  }
+
+  DioRemote get currentClient {
+    if (_currentClient == null) {
+      throw Exception('Call setEnvironment() before accessing DioRemote.');
+    }
+
+    return _currentClient!;
+  }
+
+  ApiEnvironment? get currentEnv => _currentEnv;
+}
+
+