feat: Refactor code structure and optimize performance across multiple modules

mobile-apps/staff-app/lib/features/profile/personal_info/data/gql_schemas.dart

@@ -0,0 +1,35 @@
+import 'package:krow/core/application/clients/api/gql.dart';
+
+const String getStaffPersonalInfoSchema = '''
+query GetPersonalInfo {
+  me {
+    id
+    first_name
+    last_name
+    middle_name
+    email
+    phone
+    status
+    avatar
+  }
+}
+''';
+
+const String updateStaffMutationSchema = '''
+$staffFragment
+mutation UpdateStaffPersonalInfo(\$input: UpdateStaffPersonalInfoInput!) {
+  update_staff_personal_info(input: \$input) {
+   ...StaffFields
+  }
+}
+''';
+
+const String updateStaffMutationWithAvatarSchema = '''
+$staffFragment
+mutation UpdateStaffPersonalInfo(\$input: UpdateStaffPersonalInfoInput!, \$file: Upload!) {
+  update_staff_personal_info(input: \$input) {
+   ...StaffFields
+  }
+  upload_staff_avatar(file: \$file)
+}
+''';

mobile-apps/staff-app/lib/features/profile/personal_info/data/staff_api_source.dart

@@ -0,0 +1,85 @@
+import 'dart:developer';
+import 'dart:io';
+
+import 'package:graphql_flutter/graphql_flutter.dart';
+import 'package:injectable/injectable.dart';
+import 'package:http/http.dart';
+import 'package:http_parser/http_parser.dart';
+import 'package:krow/core/application/clients/api/api_client.dart';
+import 'package:krow/core/data/models/staff/staff.dart';
+import 'package:krow/features/profile/personal_info/data/gql_schemas.dart';
+
+@singleton
+class StaffPersonalInfoApiProvider {
+  StaffPersonalInfoApiProvider(this._client);
+
+  final ApiClient _client;
+
+  Stream<Staff> getMeWithCache() async* {
+    await for (var response in _client.queryWithCache(
+      schema: getStaffPersonalInfoSchema,
+    )) {
+      if (response == null || response.data == null) continue;
+
+      if (response.hasException) {
+        throw Exception(response.exception.toString());
+      }
+
+      try {
+        final staffData = response.data?['me'] as Map<String, dynamic>? ?? {};
+        if (staffData.isEmpty) continue;
+
+        yield Staff.fromJson(staffData);
+      } catch (except) {
+        log(
+          'Exception in StaffApi on getMeWithCache()',
+          error: except,
+        );
+        continue;
+      }
+    }
+  }
+
+  Future<Staff> updateStaffPersonalInfo({
+    required String firstName,
+    required String? middleName,
+    required String lastName,
+    required String email,
+    String? avatarPath,
+  }) async {
+    MultipartFile? multipartFile;
+    if (avatarPath != null) {
+      var byteData = File(avatarPath).readAsBytesSync();
+
+      multipartFile = MultipartFile.fromBytes(
+        'file',
+        byteData,
+        filename: '${DateTime.now().millisecondsSinceEpoch}.jpg',
+        contentType: MediaType('image', 'jpg'),
+      );
+    }
+
+    final QueryResult result = await _client.mutate(
+      schema: multipartFile != null
+          ? updateStaffMutationWithAvatarSchema
+          : updateStaffMutationSchema,
+      body: {
+        'input': {
+          'first_name': firstName,
+          'middle_name': middleName,
+          'last_name': lastName,
+          'email': email,
+        },
+        if (multipartFile != null) 'file': multipartFile,
+      },
+    );
+
+    if (result.hasException) {
+      throw Exception(result.exception.toString());
+    }
+
+    return Staff.fromJson(
+      (result.data as Map<String, dynamic>)['update_staff_personal_info'],
+    );
+  }
+}

mobile-apps/staff-app/lib/features/profile/personal_info/data/staff_repository.dart

@@ -0,0 +1,13 @@
+import 'package:krow/core/data/models/staff/staff.dart';
+
+abstract class StaffPersonalInfoRepository {
+  Stream<Staff> getPersonalInfo();
+
+  Future<Staff> updatePersonalInfo({
+    required String firstName,
+    required String? middleName,
+    required String lastName,
+    required String email,
+    String? avatarPath,
+  });
+}