Improve notifications

src/Bundle/ChillPersonBundle/Entity/AccompanyingPeriod.php

@@ -327,6 +327,13 @@ class AccompanyingPeriod implements
      */
     private ?User $user = null;
 
+    /**
+     * Temporary field, which is filled when the user is changed.
+     *
+     * Used internally for listener when user change
+     */
+    private ?User $userPrevious = null;
+
     /**
      * @ORM\OneToMany(
      *     targetEntity=AccompanyingPeriodWork::class,
@@ -755,6 +762,11 @@ class AccompanyingPeriod implements
         return $this->pinnedComment;
     }
 
+    public function getPreviousUser(): ?User
+    {
+        return $this->userPrevious;
+    }
+
     /**
      * @return Collection|SocialAction[] All the descendant social actions of all
      * the descendants of the entity
@@ -868,6 +880,11 @@ class AccompanyingPeriod implements
         return $this->works;
     }
 
+    public function hasPreviousUser(): bool
+    {
+        return null !== $this->userPrevious;
+    }
+
     /**
      * Returns true if the closing date is after the opening date.
      */
@@ -1172,6 +1189,10 @@ class AccompanyingPeriod implements
 
     public function setUser(User $user): self
     {
+        if ($this->user !== $user) {
+            $this->userPrevious = $this->user;
+        }
+
         $this->user = $user;
 
         return $this;