feat: Refactor code structure and optimize performance across multiple modules

mobile-apps/staff-app/lib/features/profile/role/data/gql.dart

@@ -0,0 +1,11 @@
+const String attachStaffRolesMutation = r'''
+  mutation AttachStaffRoles($roles: [AttachStaffSkillInput!]!) {
+    attach_staff_roles(roles: $roles){}
+  }
+  ''';
+
+const String detachStaffRolesMutation = r'''
+  mutation DetachStaffRoles($ids: [ID!]!) {
+    detach_staff_roles(ids: $ids)
+  }
+  ''';

mobile-apps/staff-app/lib/features/profile/role/data/staff_role_api.dart

@@ -0,0 +1,65 @@
+import 'package:injectable/injectable.dart';
+import 'package:krow/core/application/clients/api/api_client.dart';
+import 'package:krow/core/application/clients/api/gql.dart';
+import 'package:krow/core/data/models/skill.dart';
+import 'package:krow/core/data/models/staff_role.dart';
+import 'package:krow/features/profile/role/data/gql.dart';
+
+@injectable
+class StaffRoleApiProvider {
+  final ApiClient _apiClient;
+
+  StaffRoleApiProvider(this._apiClient);
+
+  Future<List<StaffRole>> fetchStaffRoles() async {
+    var result = await _apiClient.query(schema: getStaffRolesQuery);
+
+    if (result.hasException) {
+      throw Exception(result.exception.toString());
+    }
+
+    return result.data!['staff_roles'].map<StaffRole>((e) {
+      return StaffRole.fromJson(e);
+    }).toList();
+  }
+
+  Future<List<Skill>> fetchSkills() {
+    return _apiClient.query(schema: getSkillsQuery).then((result) {
+      if (result.hasException) {
+        throw Exception(result.exception.toString());
+      }
+
+      return result.data!['skills'].map<Skill>((e) {
+        return Skill.fromJson(e);
+      }).toList();
+    });
+  }
+
+  Future<String> saveStaffRole(StaffRole role) {
+    return _apiClient.mutate(schema: attachStaffRolesMutation, body: {
+      'roles': [
+        {
+          'level': role.level.toString().split('.').last,
+          'experience': role.experience,
+          'skill_id': role.skill!.id,
+        }
+      ],
+    }).then((result) {
+      if (result.hasException) {
+        throw Exception(result.exception.toString());
+      }
+
+      return '';
+    });
+  }
+
+  Future<void> deleteStaffRole(StaffRole role) {
+    return _apiClient.mutate(schema: detachStaffRolesMutation, body: {
+      'ids': [role.skill?.id],
+    }).then((result) {
+      if (result.hasException) {
+        throw Exception(result.exception.toString());
+      }
+    });
+  }
+}

mobile-apps/staff-app/lib/features/profile/role/data/staff_role_repository_impl.dart

@@ -0,0 +1,32 @@
+import 'package:injectable/injectable.dart';
+import 'package:krow/core/data/models/skill.dart';
+import 'package:krow/core/data/models/staff_role.dart';
+import 'package:krow/features/profile/role/data/staff_role_api.dart';
+import 'package:krow/features/profile/role/domain/staff_role_repository.dart';
+
+@Injectable(as: StaffRoleRepository)
+class StaffRoleRepositoryImpl extends StaffRoleRepository {
+  final StaffRoleApiProvider _staffRoleApi;
+
+  StaffRoleRepositoryImpl(this._staffRoleApi);
+
+  @override
+  Future<List<StaffRole>> getStaffRole() async {
+    return _staffRoleApi.fetchStaffRoles();
+  }
+
+  @override
+  Future<List<Skill>> getSkills() {
+    return _staffRoleApi.fetchSkills();
+  }
+
+  @override
+  Future<String> saveStaffRole(StaffRole role) {
+    return _staffRoleApi.saveStaffRole(role);
+  }
+
+  @override
+  Future<void> deleteStaffRole(StaffRole role) {
+    return _staffRoleApi.deleteStaffRole(role);
+  }
+}