update code

app/Observers/UserObserver.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Observers;
+
+use App\Entities\User;
+use Hash;
+
+class UserObserver
+{
+    /**
+     * Handle the user "creating" event.
+     *
+     * @param  \App\Entities\User  $user
+     * @return void
+     */
+    public function creating(User $user)
+    {
+        $department_id = $user->department_id;
+        $title_id = $user->title_id;
+        $lastUser = User::where('department_id', $department_id)->where('title_id', $title_id)->orderBy('id', 'desc')->first();
+        $no = 1;
+        if($lastUser){
+            $no = explode('-', $lastUser->id)[2];
+            if(!is_numeric($no)){
+                throw new \App\Exceptions\UserIdIncorrectFormat($lastUser);
+            }
+            $no++;
+        }
+        $user->id = $department_id . '-' . $title_id . '-' . $no;
+        return $user;
+    }
+
+    /**
+     * Handle the user "created" event.
+     *
+     * @param  \App\Entities\User  $user
+     * @return void
+     */
+    public function created(User $user)
+    {
+        //
+    }
+
+    /**
+     * Handle the user "updating" event.
+     *
+     * @param  \App\Entities\User  $user
+     * @return void
+     */
+    public function updating(User $user)
+    {
+        if($user->isDirty('password')){
+            $user->password = Hash::make($user->password);
+        }
+    }
+
+    /**
+     * Handle the user "deleted" event.
+     *
+     * @param  \App\Entities\User  $user
+     * @return void
+     */
+    public function deleted(User $user)
+    {
+        //
+    }
+
+    /**
+     * Handle the user "restored" event.
+     *
+     * @param  \App\Entities\User  $user
+     * @return void
+     */
+    public function restored(User $user)
+    {
+        //
+    }
+
+    /**
+     * Handle the user "force deleted" event.
+     *
+     * @param  \App\Entities\User  $user
+     * @return void
+     */
+    public function forceDeleted(User $user)
+    {
+        //
+    }
+}