Add nb_datasets for project entity

src/Entity/Attribute.php

@@ -251,7 +251,7 @@ class Attribute implements \JsonSerializable
      * @var App\Entity\CriteriaFamily
      *
      * @ManyToOne(targetEntity="CriteriaFamily")
-     * @JoinColumn(name="criteria_family", referencedColumnName="id", nullable=true)
+     * @JoinColumn(name="criteria_family", referencedColumnName="id", nullable=true, onDelete="SET NULL")
      */
     protected $criteriaFamily;
 
@@ -259,7 +259,7 @@ class Attribute implements \JsonSerializable
      * @var App\Entity\OutputCategory
      *
      * @ManyToOne(targetEntity="OutputCategory")
-     * @JoinColumn(name="output_category", referencedColumnName="id", nullable=true)
+     * @JoinColumn(name="output_category", referencedColumnName="id", nullable=true, onDelete="SET NULL")
      */
     protected $outputCategory;
 

src/Entity/Dataset.php

@@ -94,7 +94,7 @@ class Dataset implements \JsonSerializable
     /**
      * @var Anis\Entity\Project
      *
-     * @ManyToOne(targetEntity="Project")
+     * @ManyToOne(targetEntity="Project", inversedBy="datasets")
      * @JoinColumn(name="project_name", referencedColumnName="name", nullable=false)
      */
     protected $project;

src/Entity/Project.php

@@ -62,9 +62,17 @@ class Project implements \JsonSerializable
      */
     protected $database;
 
+    /**
+     * @var Anis\Entity\Dataset[]
+     *
+     * @OneToMany(targetEntity="Dataset", mappedBy="project")
+     */
+    protected $datasets;
+
     public function __construct(string $name)
     {
         $this->name = $name;
+        $this->datasets = new \Doctrine\Common\Collections\ArrayCollection();
     }
 
     public function getName()
@@ -122,6 +130,11 @@ class Project implements \JsonSerializable
         return $this->database;
     }
 
+    public function getDatasets()
+    {
+        return $this->datasets;
+    }
+
     public function jsonSerialize()
     {
         return [
@@ -130,7 +143,8 @@ class Project implements \JsonSerializable
             'description' => $this->getDescription(),
             'link' => $this->getLink(),
             'manager' => $this->getManager(),
-            'id_database' => $this->getDatabase()->getId()
+            'id_database' => $this->getDatabase()->getId(),
+            'nb_datasets' => count($this->getDatasets())
         ];
     }
 }

tests/Action/ProjectActionTest.php

@@ -85,7 +85,7 @@ final class ProjectActionTest extends TestCase
         $request = $this->getRequest('PUT')->withParsedBody($fields);
         $response = ($this->action)($request, new Response(), array('name' => 'anis_project'));
         $this->assertSame(
-            json_encode(array_merge(['name' => 'anis_project'], $fields), JSON_UNESCAPED_SLASHES),
+            json_encode(array_merge(['name' => 'anis_project'], $fields, ['nb_datasets' => 0]), JSON_UNESCAPED_SLASHES),
             (string) $response->getBody()
         );
     }

tests/Action/ProjectListActionTest.php

@@ -71,7 +71,7 @@ final class ProjectListActionTest extends TestCase
     public function testAddANewProject(): void
     {
         $this->addDatabase();
-        $fields = $this->getNewProjectFields();
+        $fields = array_merge($this->getNewProjectFields(), ['nb_datasets' => 0]);
         $request = $this->getRequest('POST')->withParsedBody($fields);
         $response = ($this->action)($request, new Response(), array());
         $this->assertSame(