fix some problems

app/TestResult.php

@@ -3,28 +3,44 @@
 namespace App;
 
 use Illuminate\Database\Eloquent\Model;
+use Spatie\MediaLibrary\HasMedia\HasMedia;
+use Spatie\MediaLibrary\HasMedia\HasMediaTrait;
+use Spatie\MediaLibrary\Models\Media;
 
-class TestResult extends Model
+class TestResult extends Model implements HasMedia
 {
+    use HasMediaTrait;
+
     public $fillable = ['result','verified','test_type_id','user_id','device_id', 'cycle_number', 'date'];
+
     public function test_type()
     {
         return $this->belongsTo('App\TestType');
     }
+
     public function user()
     {
         return $this->belongsTo('App\User');
     }
+
     public function input_values()
     {
         return $this->hasMany('App\InputValue');
     }
-    public function files()
+
+    public function registerMediaCollections()
     {
-        return $this->morphMany('App\Media', 'model');
+        $this->addMediaCollection( 'main_images' )
+            ->useFallbackUrl( '/images/default_pastry.jpg' )
+            ->useFallbackPath( public_path( '/images/default_pastry.jpg' ) );
     }
-    public function TitleImage()
+
+    public function registerMediaConversions( Media $media = null ): void
     {
-        return $this->morphToMany('App\Gallery', 'uploadable')->wherePivot('image_role', 'TitleImage');
+        $this->addMediaConversion( 'thumbnail' )
+            ->width( 480 )
+            ->height( 640 )
+            ->nonQueued()
+            ->performOnCollections( 'main_images' );
     }
 }