Gecko [ school.pilasatech.net ]

Name	Size	Permission	Date
AttendanceResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
CourseAssignmentResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
CourseEnrollmentResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
GradeResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
MarkResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
MessageResource	[ DIR ]	drwxr-xr-x	2025-03-27 22:56
PromotionResource	[ DIR ]	drwxrwxrwx	2025-03-24 00:50
ReportResource	[ DIR ]	drwxrwxrwx	2025-03-24 10:11
StudentResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
SubjectResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
TeacherResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
UserResource	[ DIR ]	drwxrwxrwx	2025-03-23 13:10
Widgets	[ DIR ]	drwxrwxrwx	2025-03-23 19:51
AttendanceResource.php	13.87 KB	-rw-rw-rw-	2025-03-24 07:12
CourseAssignmentResource.php	7.36 KB	-rw-rw-rw-	2025-03-27 22:46
CourseEnrollmentResource.php	15.35 KB	-rw-rw-rw-	2025-03-24 06:07
GradeResource.php	3.48 KB	-rw-rw-rw-	2025-03-24 06:33
MarkResource.php	17.63 KB	-rw-rw-rw-	2025-03-28 00:00
MessageResource.php	5.43 KB	-rw-r--r--	2025-03-28 00:04
PromotionResource.php	8.05 KB	-rw-rw-rw-	2025-03-24 03:04
StudentResource.php	5.58 KB	-rw-rw-rw-	2025-03-27 22:49
SubjectResource.php	2.81 KB	-rw-rw-rw-	2025-03-24 11:32
TeacherResource.php	3.92 KB	-rw-rw-rw-	2025-03-24 11:32
UserResource.php	4.91 KB	-rw-rw-rw-	2025-03-24 06:45

Rename

<?php

namespace App\Filament\Resources;

use App\Filament\Resources\CourseAssignmentResource\Pages;
use App\Filament\Resources\CourseAssignmentResource\RelationManagers;
use App\Models\CourseAssignment;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\Auth;

class CourseAssignmentResource extends Resource
{
    protected static ?string $model = CourseAssignment::class;

protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';
    protected static ?string $navigationGroup = 'Learning Management';
    protected static ?string $label = 'Subject Assignments';

public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Select::make('grade_id')
                    ->relationship('grade', 'name')
                    ->native(false)
                    ->placeholder('Grade name')
                    ->preload()
                    ->searchable()
                    ->required()
                    ->reactive(),
                Forms\Components\Select::make('course_id')
                    ->relationship('course', 'name')
                    ->native(false)
                    ->placeholder('Course name')
                    ->preload()
                    ->searchable()
                    ->required()
                    ->reactive(),
                Forms\Components\Select::make('teacher_id')
                    ->relationship('teacher', 'name', fn ($query) => $query->role('teacher'))
                    ->native(false)
                    ->placeholder('Teacher')
                    ->preload()
                    ->searchable()
                    ->required()
                    ->reactive(),
                Forms\Components\TextInput::make('year')
                    ->placeholder('Year')
                    ->required()
                    ->numeric()
                    ->minValue(2000)
                    ->maxValue(date('Y') + 1)
                    ->reactive(),
                Forms\Components\TextInput::make('semester')
                    ->placeholder('Semester')
                    ->required()
                    ->reactive()
                    ->rule(function ($get, $record) {
                        return function ($attribute, $value, $fail) use ($get, $record) {
                            $gradeId = $get('grade_id');
                            $courseId = $get('course_id');
                            $teacherId = $get('teacher_id');
                            $year = $get('year');

// Skip validation if any required field is missing
                            if (!$gradeId || !$courseId || !$teacherId || !$year || !$value) {
                                return;
                            }

// Check for existing assignment with same grade, course, teacher, year, and semester
                            $query = CourseAssignment::where('grade_id', $gradeId)
                                                    ->where('course_id', $courseId)
                                                    ->where('teacher_id', $teacherId)
                                                    ->where('year', $year)
                                                    ->where('semester', $value);

// Exclude current record if editing
                            if ($record && $record->id) {
                                $query->where('id', '!=', $record->id);
                            }

if ($query->exists()) {
                                $fail("This teacher is already assigned to this course for Grade {$get('grade_id')}, {$year}, Semester {$value}.");
                            }
                        };
                    }),
            ])
            ->columns(3);
    }

public static function table(Table $table): Table
    {
        return $table
            ->query(function () {
                $user = Auth::user();
                if ($user->hasRole('teacher')) {
                    // Teachers only see their own course assignments
                    return CourseAssignment::where('teacher_id', $user->id);
                }
                return CourseAssignment::query(); // Admins see all assignments
            })
            ->columns([
                Tables\Columns\TextColumn::make('grade.name')
                    ->label('Grade')
                    ->sortable()
                    ->searchable(),
                Tables\Columns\TextColumn::make('course.name')
                    ->sortable()
                    ->searchable(),
                Tables\Columns\TextColumn::make('teacher.name')
                    ->sortable()
                    ->searchable(),
                Tables\Columns\TextColumn::make('year')
                    ->sortable(),
                Tables\Columns\TextColumn::make('semester')
                    ->sortable(),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('teacher')
                    ->relationship('teacher', 'name')
                    ->label('Filter by Teacher'),
                Tables\Filters\SelectFilter::make('course')
                    ->relationship('course', 'name')
                    ->label('Filter by Course'),
                Tables\Filters\SelectFilter::make('grade')
                    ->relationship('grade', 'name')
                    ->label('Filter by Grade'),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\DeleteAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->defaultSort('year', 'desc');
    }

public static function getRelations(): array
    {
        return [
            // Add relation managers if needed
        ];
    }

public static function getPages(): array
    {
        return [
            'index' => Pages\ListCourseAssignments::route('/'),
            'create' => Pages\CreateCourseAssignment::route('/create'),
            'edit' => Pages\EditCourseAssignment::route('/{record}/edit'),
        ];
    }

public static function getNavigationBadge(): ?string
    {
        $user = Auth::user();
        if ($user->hasRole('admin')) {
            return (string) CourseAssignment::count();
        } elseif ($user->hasRole('teacher')) {
            return (string) CourseAssignment::where('teacher_id', $user->id)->count();
        }
        return (string) 0;
    }

public static function canViewAny(): bool
    {
        // Allow both admins and teachers to view the resource
        return Auth::user()->hasAnyRole(['admin', 'teacher']);
    }

public static function canCreate(): bool
    {
        return Auth::user()->hasRole('admin');
    }

public static function canEdit($record): bool
    {
        return Auth::user()->hasRole('admin');
    }

public static function canDelete($record): bool
    {
        return Auth::user()->hasRole('admin');
    }
}