Skill: Fix entity relation between Skill and SkillRelUser

src/CoreBundle/Entity/Skill.php

@@ -287,6 +287,28 @@ class Skill implements Stringable, Translatable
         return $this->issuedSkills;
     }
 
+    public function addIssuedSkill(SkillRelUser $issuedSkill): static
+    {
+        if (!$this->issuedSkills->contains($issuedSkill)) {
+            $this->issuedSkills->add($issuedSkill);
+            $issuedSkill->setSkill($this);
+        }
+
+        return $this;
+    }
+
+    public function removeIssuedSkill(SkillRelUser $issuedSkill): static
+    {
+        if ($this->issuedSkills->removeElement($issuedSkill)) {
+            // set the owning side to null (unless already changed)
+            if ($issuedSkill->getSkill() === $this) {
+                $issuedSkill->setSkill(null);
+            }
+        }
+
+        return $this;
+    }
+
     /**
      * @return Collection<int, SkillRelItem>
      */

src/CoreBundle/Entity/SkillRelUser.php

@@ -50,20 +50,20 @@ class SkillRelUser
     #[ORM\GeneratedValue]
     protected ?int $id = null;
 
-    #[ORM\ManyToOne(targetEntity: User::class, cascade: ['persist'], inversedBy: 'achievedSkills')]
+    #[ORM\ManyToOne(targetEntity: User::class, inversedBy: 'achievedSkills')]
     #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected User $user;
 
     #[Groups(['skill_rel_user:read'])]
-    #[ORM\ManyToOne(targetEntity: Skill::class, cascade: ['persist'], inversedBy: 'issuedSkills')]
+    #[ORM\ManyToOne(targetEntity: Skill::class, inversedBy: 'issuedSkills')]
     #[ORM\JoinColumn(name: 'skill_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected ?Skill $skill = null;
 
-    #[ORM\ManyToOne(targetEntity: Course::class, cascade: ['persist'], inversedBy: 'issuedSkills')]
+    #[ORM\ManyToOne(targetEntity: Course::class, inversedBy: 'issuedSkills')]
     #[ORM\JoinColumn(name: 'course_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?Course $course = null;
 
-    #[ORM\ManyToOne(targetEntity: Session::class, cascade: ['persist'], inversedBy: 'issuedSkills')]
+    #[ORM\ManyToOne(targetEntity: Session::class, inversedBy: 'issuedSkills')]
     #[ORM\JoinColumn(name: 'session_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?Session $session = null;
 
@@ -111,7 +111,7 @@ class SkillRelUser
         $this->acquiredSkillAt = new DateTime();
     }
 
-    public function setSkill(Skill $skill): self
+    public function setSkill(?Skill $skill): self
     {
         $this->skill = $skill;