Initial commit

app/Models/LessonSection.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Str;
+
+class LessonSection extends Model
+{
+    protected $fillable = ['module_id', 'title', 'year', 'order', 'slug'];
+
+    public function module()
+    {
+        return $this->belongsTo(Module::class);
+    }
+
+    public function lessons()
+    {
+        return $this->hasMany(Lesson::class)->orderBy('order');
+    }
+	
+	public function chapters()
+	{
+		return $this->hasMany(Chapter::class)->orderBy('order');
+	}
+
+    public function getRouteKeyName()
+    {
+        return 'slug';
+    }
+
+    protected static function boot()
+    {
+        parent::boot();
+
+        static::creating(function ($section) {
+            if (empty($section->slug)) {
+                // Use title + uniqid to avoid collisions
+                $section->slug = Str::slug($section->title . '-' . uniqid());
+            }
+        });
+
+        static::updating(function ($section) {
+            if ($section->isDirty('title')) {
+                // When renaming, regenerate slug based on title + id
+                $section->slug = Str::slug($section->title . '-' . $section->id);
+            }
+        });
+    }
+
+}