refactor: remove Lecturer model and resources in favor of string-based lecturer names in Course model

app/Filament/Pages/Information/CourseSchedule/Actions/CreateScheduleAction.php

@@ -26,7 +26,7 @@ protected function setUp(): void
                 $action->makeModalSubmitAction('createAnother', arguments: ['another' => true])
                     ->label('Simpan dan Tambah Lagi'),
             ])
-            ->modalWidth(Width::Large)
+            ->modalWidth(Width::ThreeExtraLarge)
             ->schema(fn ($livewire) => $livewire->scheduleFormSchema());
     }
 }

app/Filament/Pages/Information/CourseSchedule/Actions/EditScheduleAction.php

@@ -30,7 +30,7 @@ protected function setUp(): void
             ->modalHeading('Ubah Jadwal Kuliah')
             ->modalSubmitActionLabel('Simpan')
             ->modalCancelActionLabel('Batal')
-            ->modalWidth(Width::Large)
+            ->modalWidth(Width::ThreeExtraLarge)
             ->schema(fn ($livewire) => $livewire->scheduleFormSchema());
     }
 }

app/Filament/Pages/Information/CourseSchedule/Index.php

@@ -95,21 +95,14 @@ public function deleteScheduleAction(): Action
 
     public function getSchedules(): Collection
     {
-        $user = auth()->user();
+        $query = CourseSchedule::with(['course']);
-        $lecturer = $user->lecturer;
-
-        $query = CourseSchedule::with(['course.lecturer']);
-
-        if ($lecturer) {
-            $query->whereHas('course', fn ($q) => $q->where('lecturer_id', $lecturer->id));
-        }
 
         $query->whereHas('course', fn ($q) => $q->where('semester', app(GeneralSettings::class)->current_semester));
 
         if ($this->search) {
             $query->where(function ($q) {
-                $q->whereHas('course', fn ($sq) => $sq->where('name', 'like', "%{$this->search}%"))
+                $q->whereHas('course', fn ($sq) => $sq->where('name', 'like', "%{$this->search}%")
-                    ->orWhereHas('course.lecturer', fn ($sq) => $sq->where('full_name', 'like', "%{$this->search}%"));
+                    ->orWhere('lecturer', 'like', "%{$this->search}%"));
             });
         }
 

app/Filament/Resources/Learning/Attendances/Pages/ManageAttendances.php

@@ -51,7 +51,7 @@ public function getSchedules()
             ->whereHas('course', function ($q) use ($semester) {
                 $q->where('semester', $semester);
             })
-            ->with(['course.lecturer', 'attendances' => function ($q) use ($student) {
+            ->with(['course', 'attendances' => function ($q) use ($student) {
                 $q->where('student_id', $student->id)
                     ->whereDate('date', now()->toDateString());
             }])
@@ -88,7 +88,7 @@ public function getScheduleCards()
                 return (object) [
                     'id' => $schedule->id,
                     'course_name' => $schedule->course->name,
-                    'lecturer_name' => $schedule->course->lecturer?->full_name ?? 'Belum Ditentukan',
+                    'lecturer_name' => $schedule->course->lecturer ?? 'Belum Ditentukan',
                     'time_range' => $schedule->start_time->format('H:i').' - '.$schedule->end_time->format('H:i'),
                     'is_attended' => $isAttended,
                     'can_attend' => $canAttend && ! $isAttended,
@@ -187,7 +187,7 @@ public function table(Table $table): Table
                     ->searchable()
                     ->sortable()
                     ->wrap()
-                    ->description(fn (Attendance $record): string => $record->courseSchedule->course->lecturer->full_name),
+                    ->description(fn (Attendance $record): string => $record->courseSchedule->course->lecturer ?? 'Belum Ditentukan'),
             ])
             ->defaultSort('date', 'desc')
             ->filters([

app/Filament/Resources/Learning/ClassSessions/Pages/ManageClassSessions.php

@@ -120,7 +120,7 @@ public function getTodaySessions(): Collection
             ->whereHas('course', function ($query) {
                 $query->where('semester', app(GeneralSettings::class)->current_semester);
             })
-            ->with(['course.lecturer', 'course.classSessions' => fn ($q) => $q->whereDate('date', now())])
+            ->with(['course', 'course.classSessions' => fn ($q) => $q->whereDate('date', now())])
             ->orderBy('start_time', 'asc')
             ->get();
 
@@ -143,13 +143,13 @@ public function getCourses(): Collection
     {
         $query = Course::query()
             ->where('semester', app(GeneralSettings::class)->current_semester)
-            ->with(['classSessions' => fn ($q) => $q->orderBy('session_number', 'asc'), 'lecturer']);
+            ->with(['classSessions' => fn ($q) => $q->orderBy('session_number', 'asc')]);
 
         if ($this->search) {
             $query->where(function ($q) {
                 $q->where('name', 'like', "%{$this->search}%")
                     ->orWhere('code', 'like', "%{$this->search}%")
-                    ->orWhereHas('lecturer', fn ($sq) => $sq->where('full_name', 'like', "%{$this->search}%"));
+                    ->orWhere('lecturer', 'like', "%{$this->search}%");
             });
         }
 

app/Filament/Resources/Master/Courses/CourseResource.php

@@ -13,7 +13,6 @@
 use App\Models\Course;
 use BackedEnum;
 use Filament\Actions\BulkActionGroup;
-use Filament\Forms\Components\Select;
 use Filament\Forms\Components\TextInput;
 use Filament\Resources\Resource;
 use Filament\Schemas\Schema;
@@ -35,6 +34,8 @@ class CourseResource extends Resource
 
     protected static string|BackedEnum|null $navigationIcon = Heroicon::OutlinedRectangleStack;
 
+    protected static ?string $title = 'Mata Kuliah';
+
     protected static ?string $navigationLabel = 'Mata Kuliah';
 
     protected static ?int $navigationSort = 15;
@@ -82,13 +83,11 @@ public static function form(Schema $schema): Schema
                     ->maxValue(8)
                     ->helperText('Semester ke berapa mata kuliah ini diajarkan (1-8).'),
 
-                Select::make('lecturer_id')
+                TextInput::make('lecturer')
                     ->label('Dosen Pengampu')
-                    ->placeholder('Pilih Dosen')
+                    ->placeholder('Ujang')
-                    ->relationship('lecturer', 'full_name')
+                    ->maxLength(100)
-                    ->preload()
+                    ->helperText('Masukkan nama dosen yang mengampu mata kuliah ini.')
-                    ->searchable()
-                    ->helperText('Pilih dosen yang mengampu mata kuliah ini.')
                     ->required(),
 
             ])
@@ -112,8 +111,9 @@ public static function table(Table $table): Table
                     ->label('SKS')
                     ->sortable(),
 
-                TextColumn::make('lecturer.full_name')
+                TextColumn::make('lecturer')
                     ->label('Dosen Pengampu')
+                    ->placeholder('Belum ditentukan')
                     ->searchable(),
 
                 ...TimestampColumns::make(),

app/Filament/Resources/Master/Lecturers/LecturerResource.php

@@ -1,52 +0,0 @@
-<?php
-
-namespace App\Filament\Resources\Master\Lecturers;
-
-use App\Filament\Resources\Master\Lecturers\Pages\CreateLecturer;
-use App\Filament\Resources\Master\Lecturers\Pages\EditLecturer;
-use App\Filament\Resources\Master\Lecturers\Pages\ListLecturers;
-use App\Filament\Resources\Master\Lecturers\Schemas\LecturerForm;
-use App\Filament\Resources\Master\Lecturers\Tables\LecturersTable;
-use App\Models\Lecturer;
-use BackedEnum;
-use Filament\Resources\Resource;
-use Filament\Schemas\Schema;
-use Filament\Support\Icons\Heroicon;
-use Filament\Tables\Table;
-use UnitEnum;
-
-class LecturerResource extends Resource
-{
-    protected static ?string $model = Lecturer::class;
-
-    protected static string|UnitEnum|null $navigationGroup = 'Master';
-
-    protected static string|BackedEnum|null $navigationIcon = Heroicon::OutlinedUserGroup;
-
-    protected static ?string $navigationLabel = 'Dosen';
-
-    protected static ?int $navigationSort = 10;
-
-    protected static ?string $recordTitleAttribute = 'full_name';
-
-    protected static ?string $slug = 'master/lecturers';
-
-    public static function form(Schema $schema): Schema
-    {
-        return LecturerForm::configure($schema);
-    }
-
-    public static function table(Table $table): Table
-    {
-        return LecturersTable::configure($table);
-    }
-
-    public static function getPages(): array
-    {
-        return [
-            'index' => ListLecturers::route('/'),
-            'create' => CreateLecturer::route('/create'),
-            'edit' => EditLecturer::route('/{record}/edit'),
-        ];
-    }
-}

app/Filament/Resources/Master/Lecturers/Pages/CreateLecturer.php

@@ -1,36 +0,0 @@
-<?php
-
-namespace App\Filament\Resources\Master\Lecturers\Pages;
-
-use App\Filament\Actions\BackAction;
-use App\Filament\Resources\Master\Lecturers\LecturerResource;
-use App\Filament\Support\SystemNotification;
-use Filament\Notifications\Notification;
-use Filament\Resources\Pages\CreateRecord;
-
-class CreateLecturer extends CreateRecord
-{
-    protected static string $resource = LecturerResource::class;
-
-    protected ?string $heading = 'Tambah Dosen';
-
-    protected static ?string $title = 'Tambah Dosen';
-
-    protected function getHeaderActions(): array
-    {
-        return [
-            BackAction::make()
-                ->url(ListLecturers::getUrl()),
-        ];
-    }
-
-    protected function getRedirectUrl(): string
-    {
-        return $this->getResource()::getUrl('index');
-    }
-
-    protected function getCreatedNotification(): ?Notification
-    {
-        return SystemNotification::create();
-    }
-}

app/Filament/Resources/Master/Lecturers/Pages/EditLecturer.php

@@ -1,36 +0,0 @@
-<?php
-
-namespace App\Filament\Resources\Master\Lecturers\Pages;
-
-use App\Filament\Actions\BackAction;
-use App\Filament\Resources\Master\Lecturers\LecturerResource;
-use App\Filament\Support\SystemNotification;
-use Filament\Notifications\Notification;
-use Filament\Resources\Pages\EditRecord;
-
-class EditLecturer extends EditRecord
-{
-    protected static string $resource = LecturerResource::class;
-
-    protected ?string $heading = 'Ubah Dosen';
-
-    protected static ?string $title = 'Ubah Dosen';
-
-    protected function getHeaderActions(): array
-    {
-        return [
-            BackAction::make()
-                ->url(ListLecturers::getUrl()),
-        ];
-    }
-
-    protected function getRedirectUrl(): string
-    {
-        return $this->getResource()::getUrl('index');
-    }
-
-    protected function getSavedNotification(): ?Notification
-    {
-        return SystemNotification::update();
-    }
-}

app/Filament/Resources/Master/Lecturers/Pages/ListLecturers.php

@@ -1,22 +0,0 @@
-<?php
-
-namespace App\Filament\Resources\Master\Lecturers\Pages;
-
-use App\Filament\Actions\Cheerful\CreateAction;
-use App\Filament\Resources\Master\Lecturers\LecturerResource;
-use Filament\Resources\Pages\ListRecords;
-
-class ListLecturers extends ListRecords
-{
-    protected static string $resource = LecturerResource::class;
-
-    protected static ?string $title = 'Dosen';
-
-    protected function getHeaderActions(): array
-    {
-        return [
-            CreateAction::make()
-                ->label('Tambah'),
-        ];
-    }
-}

app/Filament/Resources/Master/Lecturers/Schemas/LecturerForm.php

@@ -1,121 +0,0 @@
-<?php
-
-namespace App\Filament\Resources\Master\Lecturers\Schemas;
-
-use App\Enums\Sex;
-use App\Models\Course;
-use Carbon\Carbon;
-use Filament\Forms\Components\DatePicker;
-use Filament\Forms\Components\Radio;
-use Filament\Forms\Components\Select;
-use Filament\Forms\Components\Textarea;
-use Filament\Forms\Components\TextInput;
-use Filament\Schemas\Components\Grid;
-use Filament\Schemas\Components\Section;
-use Filament\Schemas\Schema;
-
-class LecturerForm
-{
-    public static function configure(Schema $schema): Schema
-    {
-        return $schema
-            ->components([
-
-                Section::make('Informasi Dosen')
-                    ->schema([
-                        TextInput::make('full_name')
-                            ->label('Nama Lengkap')
-                            ->placeholder('John Doe')
-                            ->autocomplete(false)
-                            ->required()
-                            ->maxLength(100)
-                            ->minLength(3)
-                            ->autofocus()
-                            ->helperText('Masukkan nama lengkap dosen beserta gelar akademik.')
-                            ->columnSpanFull(),
-
-                        Grid::make(3)
-                            ->schema([
-                                TextInput::make('lecturer_identification_number')
-                                    ->label('NIDN')
-                                    ->placeholder('1234567890')
-                                    ->autocomplete(false)
-                                    ->required()
-                                    ->numeric()
-                                    ->rules(['digits:10'])
-                                    ->unique(ignoreRecord: true),
-
-                                TextInput::make('phone_number')
-                                    ->label('Nomor Telepon')
-                                    ->placeholder('0812 3456 78910')
-                                    ->autocomplete(false)
-                                    ->required()
-                                    ->maxLength(20)
-                                    ->minLength(10)
-                                    ->rules(['regex:/^[0-9 ]+$/'])
-                                    ->mask('9999 9999 99999'),
-
-                                Radio::make('sex')
-                                    ->label('Jenis Kelamin')
-                                    ->options(Sex::class)
-                                    ->required()
-                                    ->inline(),
-                            ])
-                            ->columnSpanFull(),
-
-                        Textarea::make('address')
-                            ->label('Alamat')
-                            ->placeholder('Jl. Contoh No. 123, Kota, Provinsi')
-                            ->autocomplete(false)
-                            ->rows(3)
-                            ->nullable()
-                            ->columnSpanFull(),
-
-                        Grid::make(2)
-                            ->schema([
-                                DatePicker::make('date_of_birth')
-                                    ->label('Tanggal Lahir')
-                                    ->placeholder('Pilih Tanggal')
-                                    ->required()
-                                    ->native(false)
-                                    ->displayFormat('l, d F Y')
-                                    ->maxDate(Carbon::now()->subYears(25)),
-
-                                TextInput::make('place_of_birth')
-                                    ->label('Tempat Lahir')
-                                    ->placeholder('Purwakarta')
-                                    ->autocomplete(false)
-                                    ->required()
-                                    ->maxLength(50)
-                                    ->minLength(3),
-                            ])
-                            ->columnSpanFull(),
-                    ])
-                    ->columns(2),
-
-                Section::make('Mata Kuliah')
-                    ->description('Daftar mata kuliah yang diampu oleh dosen ini.')
-                    ->schema([
-                        Select::make('courses')
-                            ->label('Mata Kuliah')
-                            ->multiple()
-                            ->relationship('courses', 'name')
-                            ->options(function () {
-                                return Course::all()
-                                    ->groupBy('semester')
-                                    ->mapWithKeys(function ($courses, $semester) {
-                                        return [
-                                            "Semester $semester" => $courses->pluck('name', 'id')->toArray(),
-                                        ];
-                                    })
-                                    ->toArray();
-                            })
-                            ->searchable()
-                            ->preload()
-                            ->live()
-                            ->required(),
-                    ]),
-            ])
-            ->columns(1);
-    }
-}

app/Filament/Resources/Master/Lecturers/Tables/LecturersTable.php

@@ -1,116 +0,0 @@
-<?php
-
-namespace App\Filament\Resources\Master\Lecturers\Tables;
-
-use App\Enums\RoleEnum;
-use App\Enums\Sex;
-use App\Filament\Actions\Cheerful\DeleteAction;
-use App\Filament\Actions\Cheerful\EditAction;
-use App\Filament\Actions\Cheerful\ForceDeleteAction;
-use App\Filament\Actions\Cheerful\RestoreAction;
-use App\Filament\Actions\DefaultBulkActions;
-use App\Filament\Columns\TimestampColumns;
-use App\Models\Lecturer;
-use Filament\Actions\BulkActionGroup;
-use Filament\Support\Enums\Width;
-use Filament\Support\Icons\Heroicon;
-use Filament\Tables\Columns\TextColumn;
-use Filament\Tables\Filters\SelectFilter;
-use Filament\Tables\Filters\TrashedFilter;
-use Filament\Tables\Table;
-use Illuminate\Database\Eloquent\Builder;
-
-class LecturersTable
-{
-    public static function configure(Table $table): Table
-    {
-        return $table
-            ->columns([
-
-                TextColumn::make('full_name')
-                    ->label('Nama Lengkap')
-                    ->searchable(query: function (Builder $query, string $search) {
-                        $query->where('full_name', 'like', "%{$search}%")
-                            ->orWhere('lecturer_identification_number', 'like', "%{$search}%");
-                    })
-                    ->sortable()
-                    ->description(fn (Lecturer $record) => $record->lecturer_identification_number),
-
-                TextColumn::make('phone_number')
-                    ->label('No. Telepon')
-                    ->searchable()
-                    ->sortable(),
-
-                TextColumn::make('sex')
-                    ->label('Jenis Kelamin')
-                    ->badge()
-                    ->sortable()
-                    ->searchable(query: function ($query, string $search) {
-                        $search = strtolower($search);
-
-                        if (str_contains('laki-laki', $search)) {
-                            $query->orWhere('sex', 'male');
-                        }
-
-                        if (str_contains('perempuan', $search)) {
-                            $query->orWhere('sex', 'female');
-                        }
-                    }),
-
-                TextColumn::make('date_of_birth')
-                    ->label('TTL')
-                    ->date('d F Y')
-                    ->sortable()
-                    ->prefix(fn (Lecturer $record) => $record->place_of_birth ? $record->place_of_birth.', ' : ''),
-
-                TextColumn::make('address')
-                    ->label('Alamat')
-                    ->limit(50),
-
-                TextColumn::make('courses.name')
-                    ->label('Mata Kuliah')
-                    ->badge()
-                    ->searchable()
-                    ->listWithLineBreaks(),
-
-                ...TimestampColumns::make(),
-            ])
-            ->filters([
-                SelectFilter::make('sex')
-                    ->label('Jenis Kelamin')
-                    ->options(Sex::class)
-                    ->native(false),
-
-                SelectFilter::make('courses')
-                    ->label('Mata Kuliah')
-                    ->relationship('courses', 'name')
-                    ->multiple()
-                    ->preload(),
-
-                TrashedFilter::make()
-                    ->native(false)
-                    ->visible(fn () => auth()->user()->hasRole(RoleEnum::Developer)),
-            ])
-            ->recordActions([
-                EditAction::make()
-                    ->modalWidth(Width::Large),
-
-                DeleteAction::make(),
-
-                ForceDeleteAction::make(),
-
-                RestoreAction::make(),
-            ])
-            ->toolbarActions([
-                BulkActionGroup::make([
-                    ...DefaultBulkActions::make('Dosen'),
-                ]),
-            ])
-            ->emptyStateIcon(Heroicon::OutlinedUserGroup)
-            ->emptyStateDescription('Setelah Anda membuat data pertama, maka akan muncul disini.')
-            ->defaultSort('created_at', 'desc')
-            ->deferFilters(false)
-            ->paginated([25, 50, 100, 'all'])
-            ->defaultPaginationPageOption(25);
-    }
-}

app/Models/Course.php

@@ -2,10 +2,8 @@
 
 namespace App\Models;
 
-use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\SoftDeletes;
@@ -23,18 +21,6 @@ protected static function booted()
         });
     }
 
-    public function lecturer(): BelongsTo
-    {
-        return $this->belongsTo(Lecturer::class);
-    }
-
-    public static function getOptionsForLecturer(Lecturer $lecturer): Collection
-    {
-        return static::query()
-            ->where('lecturer_id', $lecturer->id)
-            ->get();
-    }
-
     public function materials(): HasMany
     {
         return $this->hasMany(Material::class);

app/Models/Lecturer.php

@@ -1,43 +0,0 @@
-<?php
-
-namespace App\Models;
-
-use App\Enums\Sex;
-use Illuminate\Database\Eloquent\Attributes\Scope;
-use Illuminate\Database\Eloquent\Builder;
-use Illuminate\Database\Eloquent\Factories\HasFactory;
-use Illuminate\Database\Eloquent\Model;
-use Illuminate\Database\Eloquent\Relations\HasMany;
-use Illuminate\Database\Eloquent\SoftDeletes;
-
-class Lecturer extends Model
-{
-    use HasFactory, SoftDeletes;
-
-    protected $guarded = ['id'];
-
-    protected function casts(): array
-    {
-        return [
-            'date_of_birth' => 'date',
-            'sex' => Sex::class,
-        ];
-    }
-
-    #[Scope]
-    protected function female(Builder $query): void
-    {
-        $query->where('sex', Sex::Female);
-    }
-
-    #[Scope]
-    protected function male(Builder $query): void
-    {
-        $query->where('sex', Sex::Male);
-    }
-
-    public function courses(): HasMany
-    {
-        return $this->hasMany(Course::class);
-    }
-}

app/Policies/LecturerPolicy.php

@@ -1,69 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Policies;
-
-use App\Models\Lecturer;
-use Illuminate\Auth\Access\HandlesAuthorization;
-use Illuminate\Foundation\Auth\User as AuthUser;
-
-class LecturerPolicy
-{
-    use HandlesAuthorization;
-
-    public function viewAny(AuthUser $authUser): bool
-    {
-        return $authUser->can('ViewAny:Lecturer');
-    }
-
-    public function view(AuthUser $authUser, Lecturer $lecturer): bool
-    {
-        return $authUser->can('View:Lecturer');
-    }
-
-    public function create(AuthUser $authUser): bool
-    {
-        return $authUser->can('Create:Lecturer');
-    }
-
-    public function update(AuthUser $authUser, Lecturer $lecturer): bool
-    {
-        return $authUser->can('Update:Lecturer');
-    }
-
-    public function delete(AuthUser $authUser, Lecturer $lecturer): bool
-    {
-        return $authUser->can('Delete:Lecturer');
-    }
-
-    public function restore(AuthUser $authUser, Lecturer $lecturer): bool
-    {
-        return $authUser->can('Restore:Lecturer');
-    }
-
-    public function forceDelete(AuthUser $authUser, Lecturer $lecturer): bool
-    {
-        return $authUser->can('ForceDelete:Lecturer');
-    }
-
-    public function forceDeleteAny(AuthUser $authUser): bool
-    {
-        return $authUser->can('ForceDeleteAny:Lecturer');
-    }
-
-    public function restoreAny(AuthUser $authUser): bool
-    {
-        return $authUser->can('RestoreAny:Lecturer');
-    }
-
-    public function replicate(AuthUser $authUser, Lecturer $lecturer): bool
-    {
-        return $authUser->can('Replicate:Lecturer');
-    }
-
-    public function reorder(AuthUser $authUser): bool
-    {
-        return $authUser->can('Reorder:Lecturer');
-    }
-}

database/migrations/2026_02_25_024502_create_lecturers_table.php

@@ -1,37 +0,0 @@
-<?php
-
-use App\Enums\Sex;
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-return new class extends Migration
-{
-    /**
-     * Run the migrations.
-     */
-    public function up(): void
-    {
-        Schema::create('lecturers', function (Blueprint $table) {
-            $table->id();
-            $table->string('lecturer_identification_number', 10)->unique();
-            $table->string('full_name', 100);
-            $table->string('phone_number', 20);
-            $table->enum('sex', Sex::cases());
-            $table->text('address')->nullable();
-            $table->date('date_of_birth');
-            $table->string('place_of_birth', 50);
-            $table->timestamp('created_at')->useCurrent();
-            $table->timestamp('updated_at')->nullable()->useCurrentOnUpdate();
-            $table->softDeletes();
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::dropIfExists('lecturers');
-    }
-};

database/migrations/2026_02_25_024503_create_courses_table.php

@@ -13,7 +13,7 @@ public function up(): void
     {
         Schema::create('courses', function (Blueprint $table) {
             $table->id();
-            $table->foreignId('lecturer_id')->nullable()->constrained()->nullOnDelete();
+            $table->string('lecturer', 100)->nullable();
             $table->string('code', 20)->unique();
             $table->string('name', 100);
             $table->integer('credit')->default(3);

database/seeders/CourseSeeder.php

@@ -3,7 +3,6 @@
 namespace Database\Seeders;
 
 use App\Models\Course;
-use App\Models\Lecturer;
 use Illuminate\Database\Seeder;
 
 class CourseSeeder extends Seeder
@@ -13,6 +12,17 @@ class CourseSeeder extends Seeder
      */
     public function run(): void
     {
+        $lecturers = [
+            'Dr. Ahmad Hidayat',
+            'Siti Aminah, M.Kom.',
+            'Budi Santoso, S.T., M.T.',
+            'Dr. Ir. Heru Prasetyo',
+            'Lusi Fitriani, M.Sc.',
+            'Andi Wijaya, M.T.',
+            'Rina Wahyuni, Ph.D.',
+            'Dian Pratama, M.Kom.',
+        ];
+
         $courses = [
             // Semester 1
             ['code' => 'SIU101', 'name' => 'Ilmu Amaliah, Sosial, dan Budaya Dasar', 'credit' => 2, 'semester' => 1],
@@ -84,31 +94,8 @@ public function run(): void
             ['code' => 'FSI839', 'name' => 'Startup Digital', 'credit' => 2, 'semester' => 8],
         ];
 
-        $lecturers = Lecturer::pluck('id')->toArray();
+        foreach ($courses as &$course) {
-
+            $course['lecturer'] = $lecturers[array_rand($lecturers)];
-        shuffle($lecturers);
-
-        $lecturerSemesterMap = [];
-
-        foreach ($courses as $i => &$course) {
-
-            $semester = $course['semester'];
-
-            if ($i < count($lecturers)) {
-                $lecturerId = $lecturers[$i];
-            } else {
-
-                do {
-                    $lecturerId = $lecturers[array_rand($lecturers)];
-                } while (
-                    isset($lecturerSemesterMap[$lecturerId]) &&
-                    in_array($semester, $lecturerSemesterMap[$lecturerId])
-                );
-            }
-
-            $course['lecturer_id'] = $lecturerId;
-
-            $lecturerSemesterMap[$lecturerId][] = $semester;
         }
 
         Course::insert($courses);

database/seeders/DatabaseSeeder.php

@@ -17,7 +17,6 @@ public function run(): void
         $this->call([
             ShieldSeeder::class,
             UserSeeder::class,
-            LecturerSeeder::class,
             StudentSeeder::class,
             CourseSeeder::class,
             CourseScheduleSeeder::class,

database/seeders/LecturerSeeder.php

@@ -1,62 +0,0 @@
-<?php
-
-namespace Database\Seeders;
-
-use App\Enums\Sex;
-use Carbon\Carbon;
-use Illuminate\Database\Seeder;
-use Illuminate\Support\Facades\DB;
-
-class LecturerSeeder extends Seeder
-{
-    public function run(): void
-    {
-        $names = [
-            'Dr. Budi Santoso, S.Kom, M.Sc',
-            'Prof. Siti Rahmawati, M.T',
-            'Dr. Ahmad Fauzan, M.Kom',
-            'Ir. Dwi Prasetyo, M.Eng',
-            'Dr. Maya Kartika, M.Sc',
-            'Dr. Andi Saputra, M.Kom',
-            'Prof. Rizky Maulana, Ph.D',
-            'Dr. Nanda Putri, M.T',
-            'Ir. Fajar Hidayat, M.Eng',
-            'Dr. Taufik Ramadhan, M.Kom',
-            'Dr. Indah Permata Sari, M.Sc',
-            'Prof. Yoga Pratama, Ph.D',
-            'Dr. Dian Lestari, M.T',
-            'Ir. Arif Nugroho, M.Eng',
-            'Dr. Bagus Sekali Namanya, M.Kom',
-        ];
-
-        $cities = [
-            'Bandung',
-            'Jakarta',
-            'Surabaya',
-            'Yogyakarta',
-            'Semarang',
-            'Bogor',
-            'Depok',
-            'Bekasi',
-            'Malang',
-            'Solo',
-            'Padang',
-            'Medan',
-            'Palembang',
-            'Makassar',
-            'Denpasar',
-        ];
-
-        for ($i = 0; $i < 15; $i++) {
-            DB::table('lecturers')->insert([
-                'lecturer_identification_number' => str_pad($i + 1, 10, '0', STR_PAD_LEFT),
-                'full_name' => $names[$i],
-                'phone_number' => '08123456'.rand(1000, 9999),
-                'sex' => $i % 2 === 0 ? Sex::Male->value : Sex::Female->value,
-                'address' => 'Jl. Kampus No. '.rand(1, 200),
-                'date_of_birth' => Carbon::now()->subYears(rand(30, 55))->toDateString(),
-                'place_of_birth' => $cities[$i],
-            ]);
-        }
-    }
-}

database/seeders/ShieldSeeder.php

@@ -34,17 +34,6 @@ public function run(): void
                     "Replicate:Student",
                     "Reorder:Student",
                     
-                    "ViewAny:Lecturer",
-                    "View:Lecturer",
-                    "Create:Lecturer",
-                    "Update:Lecturer",
-                    "Delete:Lecturer",
-                    "Restore:Lecturer",
-                    "ForceDelete:Lecturer",
-                    "ForceDeleteAny:Lecturer",
-                    "RestoreAny:Lecturer",
-                    "Replicate:Lecturer",
-                    "Reorder:Lecturer",
 
                     "ViewAny:Course",
                     "View:Course",
@@ -153,8 +142,6 @@ public function run(): void
                     "ViewAny:Student",
                     "View:Student",
 
-                    "ViewAny:Lecturer",
-                    "View:Lecturer",
 
                     "ViewAny:Course",
                     "View:Course",
@@ -183,9 +170,6 @@ public function run(): void
                     "Update:Student",
                     "Delete:Student",
                 
-                    "Create:Lecturer",
-                    "Update:Lecturer",
-                    "Delete:Lecturer",
 
                     "Create:Course",
                     "Update:Course",

resources/views/filament/pages/information/list-course-schedules.blade.php

@@ -1,135 +1,138 @@
 <x-filament-panels::page>
-    <x-filament::section>
+    <div>
-        <div
+        <x-filament::section>
-            class="fi-section-content rounded-xl border border-info-200 bg-info-50 dark:bg-info-500/10 dark:border-info-500/30 p-4 mb-6">
+            <div
-            <div class="flex items-start gap-3">
+                class="fi-section-content rounded-xl border border-info-200 bg-info-50 dark:bg-info-500/10 dark:border-info-500/30 p-4 mb-6">
-                <x-heroicon-o-information-circle class="w-5 h-5 text-info-600 dark:text-info-400 mt-0.5" />
+                <div class="flex items-start gap-3">
+                    <x-heroicon-o-information-circle class="w-5 h-5 text-info-600 dark:text-info-400 mt-0.5" />
 
-                <div class="text-sm text-info-800 dark:text-info-200">
+                    <div class="text-sm text-info-800 dark:text-info-200">
-                    Geser ke samping untuk melihat hari lainnya.
+                        Geser ke samping untuk melihat hari lainnya.
+                    </div>
                 </div>
             </div>
-        </div>
 
-        <div class="flex items-center justify-between gap-4 mb-6">
+            <div class="flex items-center justify-between gap-4 mb-6">
-            <div class="w-full max-w-xl">
+                <div class="w-full max-w-xl">
-                {{ $this->form }}
+                    {{ $this->form }}
+                </div>
             </div>
-        </div>
 
-        @if ($schedules->isNotEmpty())
+            @if ($schedules->isNotEmpty())
-            <div class="overflow-x-auto">
+                <div class="overflow-x-auto">
-                <div class="flex flex-nowrap gap-6 min-w-max pb-4">
+                    <div class="flex flex-nowrap gap-6 min-w-max pb-4">
 
-                    @foreach ($days as $dayNumber => $dayName)
+                        @foreach ($days as $dayNumber => $dayName)
-                        @php
+                            @php
-                            $daySchedules = $schedules->get($dayNumber);
+                                $daySchedules = $schedules->get($dayNumber);
-                        @endphp
+                            @endphp
 
-                        @if ($daySchedules && $daySchedules->count() > 0)
+                            @if ($daySchedules && $daySchedules->count() > 0)
-                            <section class="w-80 shrink-0 space-y-4">
+                                <section class="w-80 shrink-0 space-y-4">
 
-                                <div class="flex items-center gap-2 border-b border-gray-200 dark:border-gray-700 pb-2">
+                                    <div class="flex items-center gap-2 border-b border-gray-200 dark:border-gray-700 pb-2">
-                                    <x-heroicon-o-calendar class="w-5 h-5 text-primary-500" />
+                                        <x-heroicon-o-calendar class="w-5 h-5 text-primary-500" />
-                                    <h2 class="text-lg font-semibold tracking-tight text-gray-950 dark:text-white">
+                                        <h2 class="text-lg font-semibold tracking-tight text-gray-950 dark:text-white">
-                                        {{ $dayName }}
+                                            {{ $dayName }}
-                                    </h2>
+                                        </h2>
-                                </div>
+                                    </div>
 
-                                <div class="space-y-4">
+                                    <div class="space-y-4">
-                                    @foreach ($daySchedules as $schedule)
+                                        @foreach ($daySchedules as $schedule)
-                                        <div
+                                            <div
-                                            class="fi-card rounded-xl border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-900 shadow-sm hover:shadow-md transition">
+                                                class="fi-card rounded-xl border border-gray-200 dark:border-gray-700 bg-white dark:bg-gray-900 shadow-sm hover:shadow-md transition">
 
-                                            <div class="p-5 space-y-4">
+                                                <div class="p-5 space-y-4">
-                                                <div class="flex items-start justify-between gap-3">
+                                                    <div class="flex items-start justify-between gap-3">
-                                                    <div class="flex items-center gap-2">
+                                                        <div class="flex items-center gap-2">
-                                                        <span
-                                                            class="inline-flex items-center rounded-md bg-primary-50 dark:bg-primary-500/10 px-2 py-1 text-xs font-semibold text-primary-700 dark:text-primary-300 ring-1 ring-inset ring-primary-600/20">
-                                                            {{ $schedule->course->code ?? 'MATKUL' }}
-                                                        </span>
-
-                                                        @if ($schedule->mode)
-                                                            @php
-                                                                $color = $schedule->mode->getColor();
-                                                            @endphp
                                                             <span
-                                                                class="inline-flex items-center rounded-md bg-{{ $color }}-50 dark:bg-{{ $color }}-500/10 px-2 py-1 text-xs font-semibold text-{{ $color }}-700 dark:text-{{ $color }}-300 ring-1 ring-inset ring-{{ $color }}-600/20">
+                                                                class="inline-flex items-center rounded-md bg-primary-50 dark:bg-primary-500/10 px-2 py-1 text-xs font-semibold text-primary-700 dark:text-primary-300 ring-1 ring-inset ring-primary-600/20">
-                                                                {{ $schedule->mode->getLabel() }}
+                                                                {{ $schedule->course->code ?? 'MATKUL' }}
+                                                            </span>
+
+                                                            @if ($schedule->mode)
+                                                                @php
+                                                                    $color = $schedule->mode->getColor();
+                                                                @endphp
+                                                                <span
+                                                                    class="inline-flex items-center rounded-md bg-{{ $color }}-50 dark:bg-{{ $color }}-500/10 px-2 py-1 text-xs font-semibold text-{{ $color }}-700 dark:text-{{ $color }}-300 ring-1 ring-inset ring-{{ $color }}-600/20">
+                                                                    {{ $schedule->mode->getLabel() }}
+                                                                </span>
+                                                            @endif
+                                                        </div>
+
+                                                        @if ($schedule->room)
+                                                            <span
+                                                                class="inline-flex items-center text-xs text-gray-500 dark:text-gray-400">
+                                                                <x-heroicon-m-map-pin class="w-4 h-4 mr-1 opacity-70" />
+                                                                {{ $schedule->room }}
                                                             </span>
                                                         @endif
                                                     </div>
 
-                                                    @if ($schedule->room)
+                                                    <h3
-                                                        <span
+                                                        class="text-base font-semibold leading-tight text-gray-950 dark:text-white">
-                                                            class="inline-flex items-center text-xs text-gray-500 dark:text-gray-400">
+                                                        {{ $schedule->course->name ?? 'Mata Kuliah Tidak Diketahui' }}
-                                                            <x-heroicon-m-map-pin class="w-4 h-4 mr-1 opacity-70" />
+                                                    </h3>
-                                                            {{ $schedule->room }}
+
+                                                    <div class="flex items-center text-sm text-gray-600 dark:text-gray-400">
+                                                        <x-heroicon-m-user class="w-4 h-4 mr-1.5 opacity-70" />
+                                                        <span class="truncate">
+                                                            {{ $schedule->course->lecturer ?? 'Dosen Belum Ditentukan' }}
                                                         </span>
-                                                    @endif
-                                                </div>
-
-                                                <h3
-                                                    class="text-base font-semibold leading-tight text-gray-950 dark:text-white">
-                                                    {{ $schedule->course->name ?? 'Mata Kuliah Tidak Diketahui' }}
-                                                </h3>
-                                                <div class="flex items-center text-sm text-gray-600 dark:text-gray-400">
-                                                    <x-heroicon-m-user class="w-4 h-4 mr-1.5 opacity-70" />
-                                                    <span class="truncate">
-                                                        {{ $schedule->course->lecturer->full_name ?? 'Dosen Belum Ditentukan' }}
-                                                    </span>
-                                                </div>
-
-                                                <div class="flex flex-wrap items-center gap-2 mt-1">
-                                                    @if ($schedule->course?->semester)
-                                                        <span
-                                                            class="inline-flex items-center gap-1 rounded-md bg-amber-50 dark:bg-amber-500/10 px-2 py-1 text-xs font-medium text-amber-700 dark:text-amber-300 ring-1 ring-inset ring-amber-600/20">
-                                                            <x-heroicon-m-academic-cap class="w-3 h-3" />
-                                                            Semester {{ $schedule->course->semester }}
-                                                        </span>
-                                                    @endif
-                                                </div>
-
-                                                <div
-                                                    class="flex items-center justify-between pt-3 border-t border-gray-100 dark:border-gray-800 text-sm">
-                                                    <div
-                                                        class="flex items-center font-medium text-gray-800 dark:text-gray-200">
-                                                        <x-heroicon-o-clock class="w-4 h-4 mr-1.5 text-primary-500" />
-                                                        {{ $schedule->start_time->format('H:i') }}
-                                                        <span class="mx-1">–</span>
-                                                        {{ $schedule->end_time->format('H:i') }}
                                                     </div>
 
-                                                    <span
+                                                    <div class="flex flex-wrap items-center gap-2 mt-1">
-                                                        class="text-[11px] font-semibold tracking-wide text-gray-400 uppercase">
+                                                        @if ($schedule->course?->semester)
-                                                        {{ $schedule->course->credit ?? '-' }} SKS
+                                                            <span
-                                                    </span>
+                                                                class="inline-flex items-center gap-1 rounded-md bg-amber-50 dark:bg-amber-500/10 px-2 py-1 text-xs font-medium text-amber-700 dark:text-amber-300 ring-1 ring-inset ring-amber-600/20">
-                                                </div>
+                                                                <x-heroicon-m-academic-cap class="w-3 h-3" />
-
+                                                                Semester {{ $schedule->course->semester }}
-                                                @canAny(['Update:CourseSchedule', 'Delete:CourseSchedule'])
+                                                            </span>
-                                                    <div
+                                                        @endif
-                                                        class="flex items-center justify-end gap-1 pt-3 border-t border-gray-100 dark:border-gray-800">
-                                                        {{ ($this->editScheduleAction)(['schedule' => $schedule->id]) }}
-
-                                                        {{ ($this->deleteScheduleAction)(['schedule' => $schedule->id]) }}
                                                     </div>
-                                                @endcanAny
+
+                                                    <div
+                                                        class="flex items-center justify-between pt-3 border-t border-gray-100 dark:border-gray-800 text-sm">
+                                                        <div
+                                                            class="flex items-center font-medium text-gray-800 dark:text-gray-200">
+                                                            <x-heroicon-o-clock class="w-4 h-4 mr-1.5 text-primary-500" />
+                                                            {{ $schedule->start_time->format('H:i') }}
+                                                            <span class="mx-1">–</span>
+                                                            {{ $schedule->end_time->format('H:i') }}
+                                                        </div>
+
+                                                        <span
+                                                            class="text-[11px] font-semibold tracking-wide text-gray-400 uppercase">
+                                                            {{ $schedule->course->credit ?? '-' }} SKS
+                                                        </span>
+                                                    </div>
+
+                                                    @canAny(['Update:CourseSchedule', 'Delete:CourseSchedule'])
+                                                        <div
+                                                            class="flex items-center justify-end gap-1 pt-3 border-t border-gray-100 dark:border-gray-800">
+                                                            {{ ($this->editScheduleAction)(['schedule' => $schedule->id]) }}
+
+                                                            {{ ($this->deleteScheduleAction)(['schedule' => $schedule->id]) }}
+                                                        </div>
+                                                    @endcanAny
+                                                </div>
                                             </div>
-                                        </div>
+                                        @endforeach
-                                    @endforeach
+                                    </div>
-                                </div>
+                                </section>
-                            </section>
+                            @endif
-                        @endif
+                        @endforeach
-                    @endforeach
 
+                    </div>
                 </div>
-            </div>
+            @endif
-        @endif
 
-        @if ($schedules->isEmpty())
+            @if ($schedules->isEmpty())
-            <x-filament::empty-state icon="heroicon-o-calendar-days" heading="Tidak ada data yang ditemukan"
+                <x-filament::empty-state icon="heroicon-o-calendar-days" heading="Tidak ada data yang ditemukan"
-                description="Setelah Anda membuat data pertama, maka akan muncul disini." iconColor="gray">
+                    description="Setelah Anda membuat data pertama, maka akan muncul disini." iconColor="gray">
-            </x-filament::empty-state>
+                </x-filament::empty-state>
-        @endif
+            @endif
-    </x-filament::section>
+        </x-filament::section>
+    </div>
 </x-filament-panels::page>

resources/views/filament/pages/learning/class-session/index.blade.php

@@ -46,7 +46,7 @@
                                             {{ $session->course->name }}
                                         </h3>
                                         <p class="text-sm text-gray-500 dark:text-gray-400 mt-0.5 font-medium">
-                                            {{ $session->course->code }} • {{ $session->course->lecturer->full_name ?? '-' }}
+                                            {{ $session->course->code }} • {{ $session->course->lecturer ?? '-' }}
                                         </p>
                                     </div>
                                     <div @class([
@@ -123,7 +123,7 @@ class="text-base font-bold text-gray-950 dark:text-white leading-tight group-hov
                                 <div class="flex items-center text-sm text-gray-500 dark:text-gray-400">
                                     <x-heroicon-m-user class="w-4 h-4 mr-1.5 opacity-70" />
                                     <span
-                                        class="truncate">{{ $course->lecturer->full_name ?? 'Dosen Belum Ditentukan' }}</span>
+                                        class="truncate">{{ $course->lecturer ?? 'Dosen Belum Ditentukan' }}</span>
                                 </div>
                             </div>
                         </div>

resources/views/filament/resources/learning/class-sessions/manage-class-sessions.blade.php

@@ -40,7 +40,7 @@ class="w-4 h-4 transition-transform duration-300"
                                 </h3>
                                 <div class="flex items-center text-sm text-gray-500 dark:text-gray-400">
                                      <x-heroicon-m-user class="w-4 h-4 mr-1.5 opacity-70" />
-                                     <span class="truncate">{{ $course->lecturer->full_name ?? 'Dosen Belum Ditentukan' }}</span>
+                                     <span class="truncate">{{ $course->lecturer ?? 'Dosen Belum Ditentukan' }}</span>
                                 </div>
                             </div>
                         </div>

resources/views/pages/share-attendance.blade.php

@@ -108,7 +108,7 @@ class="badge bg-zinc-100 dark:bg-zinc-800 text-zinc-600 dark:text-zinc-400 capit
                         <h1 class="text-3xl font-bold tracking-tighter">{{ $course->name }}</h1>
                         <p class="text-zinc-500 flex items-center gap-2 tracking-tight text-sm font-medium">
                             <x-heroicon-o-user class="w-4 h-4 opacity-50" />
-                            {{ $course->lecturer->full_name }}
+                            {{ $course->lecturer }}
                         </p>
                     </div>