feat: add sub category for media

app/Models/Category.php

@@ -12,5 +12,10 @@ public function questions()
     {
         return $this->hasMany(Question::class);
     }
+
+    public function subcategories()
+    {
+        return $this->hasMany(SubCategory::class);
+    }
 }
 

app/Models/Media.php

@@ -14,6 +14,7 @@ class Media extends Model
         'user_id',
         'image_id',
         'category_id',
+        'subcategory_id',
         'title',
         'caption',
         'type',
@@ -48,6 +49,11 @@ public function category()
     {
         return $this->belongsTo(Category::class);
     }
+
+    public function subCategory()
+    {
+        return $this->belongsTo(SubCategory::class, 'subcategory_id');
+    }
     public function tags()
     {
         return $this->belongsToMany(Tag::class, 'media_tag');

app/Models/SubCategory.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class SubCategory extends Model
+{
+    protected $table = 'sub_categories';
+
+    protected $fillable = ['category_id', 'name'];
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    public function media(): HasMany
+    {
+        return $this->hasMany(Media::class, 'subcategory_id');
+    }
+}