add validation on calendar

src/Bundle/ChillCalendarBundle/Entity/Calendar.php

@@ -31,6 +31,7 @@ use Doctrine\Common\Collections\Criteria;
 use Doctrine\ORM\Mapping as ORM;
 use LogicException;
 use Symfony\Component\Serializer\Annotation as Serializer;
+use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Validator\Constraints\NotBlank;
 
 use Symfony\Component\Validator\Constraints\Range;
@@ -113,6 +114,7 @@ class Calendar implements TrackCreationInterface, TrackUpdateInterface
     /**
      * @ORM\Column(type="datetime_immutable", nullable=false)
      * @Serializer\Groups({"calendar:read", "read"})
+     * @Assert\NotNull(message="calendar.An end date is required")
      */
     private ?DateTimeImmutable $endDate = null;
 
@@ -139,12 +141,14 @@ class Calendar implements TrackCreationInterface, TrackUpdateInterface
     /**
      * @ORM\ManyToOne(targetEntity="Chill\MainBundle\Entity\Location")
      * @Serializer\Groups({"read"})
+     * @Assert\NotNull(message="calendar.A location is required")
      */
     private ?Location $location = null;
 
     /**
      * @ORM\ManyToOne(targetEntity="Chill\MainBundle\Entity\User")
      * @Serializer\Groups({"calendar:read", "read"})
+     * @Assert\NotNull(message="calendar.A main user is mandatory")
      */
     private ?User $mainUser = null;
 
@@ -152,6 +156,7 @@ class Calendar implements TrackCreationInterface, TrackUpdateInterface
      * @ORM\ManyToMany(targetEntity="Chill\PersonBundle\Entity\Person")
      * @ORM\JoinTable(name="chill_calendar.calendar_to_persons")
      * @Serializer\Groups({"calendar:read", "read"})
+     * @Assert\Count(min=1, minMessage="calendar.At least {{ limit }} person is required.")
      */
     private Collection $persons;
 
@@ -181,6 +186,7 @@ class Calendar implements TrackCreationInterface, TrackUpdateInterface
     /**
      * @ORM\Column(type="datetime_immutable", nullable=false)
      * @Serializer\Groups({"calendar:read", "read"})
+     * @Assert\NotNull(message="calendar.A start date is required")
      */
     private ?DateTimeImmutable $startDate = null;