Add getAttributes method to the dataset class needed by searchAction

src/Entity/Attribute.php

@@ -32,7 +32,7 @@ class Attribute implements \JsonSerializable
      * @var App\Entity\Dataset
      *
      * @Id
-     * @ManyToOne(targetEntity="Dataset")
+     * @ManyToOne(targetEntity="Dataset", inversedBy="attributes")
      * @JoinColumn(name="dataset_name", referencedColumnName="name", nullable=false)
      */
     protected $dataset;

src/Entity/Dataset.php

@@ -107,6 +107,13 @@ class Dataset implements \JsonSerializable
      * @JoinColumn(name="id_dataset_family", referencedColumnName="id", nullable=true)
      */
     protected $datasetFamily;
+    
+    /**
+     * @var Anis\Entity\Attribute[]
+     *
+     * @OneToMany(targetEntity="Attribute", mappedBy="dataset", cascade={"remove"})
+     */
+    protected $attributes;
 
     public function __construct($name)
     {
@@ -229,6 +236,11 @@ class Dataset implements \JsonSerializable
         $this->datasetFamily = $datasetFamily;
     }
 
+    public function getAttributes()
+    {
+        return $this->attributes;
+    }
+
     public function jsonSerialize()
     {
         return [