Initial commit

app/Models/Course.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Course extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['lead_teacher', 'description', 'subject_id', 'level_id'];
+
+    public function subject()
+    {
+        return $this->belongsTo(Subject::class);
+    }
+
+    public function level()
+    {
+        return $this->belongsTo(Level::class);
+    }
+
+    public function modules()
+    {
+        return $this->hasMany(Module::class)->orderBy('order');
+    }
+	
+	public function lessonSections()
+	{
+		return $this->hasManyThrough(LessonSection::class, Module::class);
+	}
+	
+	protected static function booted()
+	{
+		static::creating(function ($course) {
+			$subject = $course->subject?->name ?? 'unknown-subject';
+			$level = $course->level?->name ?? 'unknown-level';
+			$course->slug = \Illuminate\Support\Str::slug($subject . '-' . $level);
+		});
+	}
+	
+	public function getRouteKeyName(): string
+	{
+		return 'slug';
+	}	
+}