Add Unique constraint to capsule name and add translation

src/Entity/Capsule.php

@@ -6,16 +6,15 @@ use App\Entity\User;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
- * Capsule
- *
- * @ORM\Table(name="capsule", uniqueConstraints={@ORM\UniqueConstraint(name="index_capsule_nom", columns={"nom"}), @ORM\UniqueConstraint(name="index_capsule_link", columns={"link"})})
- * @ORM\Entity(repositoryClass="AppBundle\Repository\CapsuleRepository")
+ * @ORM\Table(name="capsule", uniqueConstraints={@ORM\UniqueConstraint(name="index_capsule_nom", columns={"nom"})})
+ * @ORM\Entity(repositoryClass="App\Repository\CapsuleRepository")
+ * @UniqueEntity(fields={"name"}, message="capsule.name.unique")
  */
 class Capsule
 {
-
     /**
      *
      * @ORM\Column(name="id", type="integer")

translations/validators.en.yaml

@@ -18,5 +18,6 @@ agreeTerms: You must agree with our terms
 capsule:
   name:
     not_blank: Please enter a capsule name
+    unique: There is already a project with this name
   video_url:
     not_blank: Please enter a video URL
\ No newline at end of file