basic CRUD for listings

app/Models/Listing.php

@@ -4,9 +4,43 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
 
 class Listing extends Model
 {
     /** @use HasFactory<\Database\Factories\ListingFactory> */
-    use HasFactory;
+    use HasFactory, SoftDeletes;
+
+    /**
+     * Get the user that made this listing.
+     */
+    public function poster(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var list<string>
+     */
+    protected $fillable = [
+        'title',
+        'description',
+        'price',
+        'location',
+        'condition',
+        'user_id',
+    ];
+
+    /**
+     * The attributes that should be hidden for serialization.
+     *
+     * @var list<string>
+     */
+    protected $hidden = [
+        'user_id',
+        'deleted_at',
+    ];
 }