create a mail when a user is unassigned to a task by an administrator

app/Http/Controllers/TasksController.php

@@ -6,6 +6,7 @@ use App\Events\TaskParticipationCancelled;
 use App\Events\VolunteerAssignedToTask;
 use App\Events\VolunteerUnassignedFromTask;
 use App\Mail\VolunteerAssignToTaskMail;
+use App\Mail\VolunteerUnassignToTaskMail;
 use App\Models\Events;
 use App\Models\Task;
 use App\Models\User;
@@ -244,6 +245,15 @@ class TasksController extends Controller
                     $task,
                     $event
                 ));
+
+                $data = [
+                    'name' => $user->name,
+                    'lastname' => $user->lastname,
+                    'taskName' => $task->name,
+                    'start' => $task->start,
+                    'end' => $task->end,
+                ];
+                Mail::to($user->email)->send(new VolunteerUnassignToTaskMail($data));
             }
 
             return response()->json(['message' => "User unassigned successfully"], 200);

app/Mail/VolunteerUnassignToTaskMail.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Mail;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Mail\Mailables\Content;
+use Illuminate\Mail\Mailables\Envelope;
+use Illuminate\Queue\SerializesModels;
+
+class VolunteerUnassignToTaskMail extends Mailable
+{
+    use Queueable, SerializesModels;
+    public $data;
+
+    /**
+     * Create a new message instance.
+     */
+    public function __construct($data)
+    {
+        $this->data = $data;
+    }
+
+    /**
+     * Get the message envelope.
+     */
+    public function envelope(): Envelope
+    {
+        return new Envelope(
+            subject: 'Désassignation - Comité des fêtes de Beaupont',
+        );
+    }
+
+    /**
+     * Get the message content definition.
+     */
+    public function content(): Content
+    {
+        return new Content(
+            view: 'mails.volunteerUnassignToTask',
+            with: [
+                'name' => $this->data['name'],
+                'lastname' => $this->data['lastname'],
+                'taskName' => $this->data['taskName'],
+                'start' => $this->data['start'],
+                'end' => $this->data['end'],
+            ]
+        );
+    }
+
+    /**
+     * Get the attachments for the message.
+     *
+     * @return array<int, \Illuminate\Mail\Mailables\Attachment>
+     */
+    public function attachments(): array
+    {
+        return [];
+    }
+}