Initial commit

app/Models/Chapter.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Str;
+
+class Chapter extends Model
+{
+    protected $fillable = ['lesson_section_id', 'title', 'order'];
+
+    public function lessonSection()
+    {
+        return $this->belongsTo(LessonSection::class);
+    }
+
+    public function lessons()
+    {
+        return $this->hasMany(Lesson::class)->orderBy('order');
+    }
+	
+	protected static function booted()
+	{
+		static::creating(function ($chapter) {
+			if (empty($chapter->slug)) {
+				$chapter->slug = Str::slug($chapter->title);
+			}
+		});
+
+		static::updating(function ($chapter) {
+			if ($chapter->isDirty('title')) {
+				$chapter->slug = Str::slug($chapter->title);
+			}
+		});
+	}
+	
+	public function getRouteKeyName()
+	{
+		return 'slug';
+	}
+}