refactor: streamline LecturerService methods and enhance role assignment with enum

app/Services/Admin/Users/LecturerService.php

@@ -2,6 +2,7 @@
 
 namespace App\Services\Admin\Users;
 
+use App\Enums\UserRole;
 use App\Models\Lecturer;
 use App\Models\User;
 use Illuminate\Contracts\Pagination\LengthAwarePaginator;
@@ -12,51 +13,11 @@
 
 class LecturerService
 {
-    public function getAllForSelect(): Collection
-    {
-        return Lecturer::select(['lecturers.id', 'lecturers.user_id', 'lecturers.lecturer_number'])
-            ->join('users', 'users.id', '=', 'lecturers.user_id')
-            ->join('user_profiles', 'user_profiles.user_id', '=', 'users.id')
-            ->with([
-                'user:id,username',
-                'user.profile:id,user_id,full_name',
-                'departments:id,name',
-            ])
-            ->orderBy('user_profiles.full_name')
-            ->get();
-    }
-
     public function paginated(int $perPage = 25, string $search = '', ?string $gender = null, ?int $departmentId = null): LengthAwarePaginator
     {
         return $this->filteredQuery($search, $gender, $departmentId)
             ->latest()
-            ->paginate($perPage);
+            ->paginate($perPage, ['id', 'username', 'email', 'is_active']);
-    }
-
-    public function forExport(string $search = '', ?string $gender = null, ?int $departmentId = null): Collection
-    {
-        return $this->filteredQuery($search, $gender, $departmentId)
-            ->orderBy('created_at', 'desc')
-            ->get();
-    }
-
-    private function filteredQuery(string $search, ?string $gender, ?int $departmentId): Builder
-    {
-        return User::select(['id', 'username', 'email', 'is_active'])
-            ->with([
-                'profile:id,user_id,full_name,phone_number,gender,birth_place,birth_date,address',
-                'lecturer:id,user_id,lecturer_number',
-                'lecturer.departments:id,name',
-            ])
-            ->whereHas('roles', fn ($q) => $q->where('name', 'dosen'))
-            ->when($search, fn ($q) => $q->where(function ($query) use ($search) {
-                $query->where('username', 'like', "%{$search}%")
-                    ->orWhere('email', 'like', "%{$search}%")
-                    ->orWhereHas('profile', fn ($q) => $q->where('full_name', 'like', "%{$search}%"))
-                    ->orWhereHas('lecturer', fn ($q) => $q->where('lecturer_number', 'like', "%{$search}%"));
-            }))
-            ->when($gender, fn ($q) => $q->whereHas('profile', fn ($q) => $q->where('gender', $gender)))
-            ->when($departmentId, fn ($q) => $q->whereHas('lecturer.departments', fn ($q) => $q->where('departments.id', $departmentId)));
     }
 
     public function create(array $data): User
@@ -68,7 +29,7 @@ public function create(array $data): User
                 'password' => Hash::make(config('app.default_password')),
             ]);
 
-            $user->assignRole('dosen');
+            $user->assignRole(UserRole::Dosen->value);
 
             $user->profile()->create([
                 'full_name' => $data['full_name'],
@@ -136,4 +97,42 @@ public function updateUserStatus(User $user, bool $isActive): void
     {
         $user->update(['is_active' => $isActive]);
     }
+
+    public function forExport(string $search = '', ?string $gender = null, ?int $departmentId = null): Collection
+    {
+        return $this->filteredQuery($search, $gender, $departmentId)
+            ->orderBy('created_at', 'desc')
+            ->get(['id', 'username', 'email', 'is_active']);
+    }
+
+    public function getAllForSelect(): Collection
+    {
+        return Lecturer::join('users', 'users.id', '=', 'lecturers.user_id')
+            ->join('user_profiles', 'user_profiles.user_id', '=', 'users.id')
+            ->with([
+                'user:id,username',
+                'user.profile:id,user_id,full_name',
+                'departments:id,name',
+            ])
+            ->orderBy('user_profiles.full_name')
+            ->get(['lecturers.id', 'lecturers.user_id', 'lecturers.lecturer_number']);
+    }
+
+    private function filteredQuery(string $search, ?string $gender, ?int $departmentId): Builder
+    {
+        return User::with([
+            'profile:id,user_id,full_name,phone_number,gender,birth_place,birth_date,address',
+            'lecturer:id,user_id,lecturer_number',
+            'lecturer.departments:id,name',
+        ])
+            ->whereHas('roles', fn ($q) => $q->where('name', UserRole::Dosen->value))
+            ->when($search, fn ($q) => $q->where(function ($query) use ($search) {
+                $query->where('username', 'like', "%{$search}%")
+                    ->orWhere('email', 'like', "%{$search}%")
+                    ->orWhereHas('profile', fn ($q) => $q->where('full_name', 'like', "%{$search}%"))
+                    ->orWhereHas('lecturer', fn ($q) => $q->where('lecturer_number', 'like', "%{$search}%"));
+            }))
+            ->when($gender, fn ($q) => $q->whereHas('profile', fn ($q) => $q->where('gender', $gender)))
+            ->when($departmentId, fn ($q) => $q->whereHas('lecturer.departments', fn ($q) => $q->where('departments.id', $departmentId)));
+    }
 }