Add ability to invite users

app/Notifications/Admin/UserInvitation.php

@@ -22,7 +22,76 @@ declare(strict_types=1);
 
 namespace FireflyIII\Notifications\Admin;
 
-class UserInvitation
-{
+use FireflyIII\Models\InvitedUser;
+use Illuminate\Bus\Queueable;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Messages\SlackMessage;
+use Illuminate\Notifications\Notification;
 
+/**
+ * Class UserInvitation
+ */
+class UserInvitation extends Notification
+{
+    use Queueable;
+
+    private InvitedUser $invitee;
+
+    /**
+     * Create a new notification instance.
+     *
+     * @return void
+     */
+    public function __construct(InvitedUser $invitee)
+    {
+        $this->invitee = $invitee;
+    }
+
+    /**
+     * Get the notification's delivery channels.
+     *
+     * @param mixed $notifiable
+     * @return array
+     */
+    public function via($notifiable)
+    {
+        return ['mail', 'slack'];
+    }
+
+    /**
+     * Get the mail representation of the notification.
+     *
+     * @param mixed $notifiable
+     * @return \Illuminate\Notifications\Messages\MailMessage
+     */
+    public function toMail($notifiable)
+    {
+        return (new MailMessage)
+            ->markdown('emails.invitation-created', ['email' => $this->invitee->user->email, 'invitee' => $this->invitee->email])
+            ->subject((string) trans('email.invitation_created_subject'));
+    }
+
+    /**
+     * Get the Slack representation of the notification.
+     *
+     * @param mixed $notifiable
+     * @return SlackMessage
+     */
+    public function toSlack($notifiable)
+    {
+        return (new SlackMessage)->content((string) trans('email.invitation_created_body', ['email' => $this->invitee->user->email, 'invitee' => $this->invitee->email]));
+    }
+
+    /**
+     * Get the array representation of the notification.
+     *
+     * @param mixed $notifiable
+     * @return array
+     */
+    public function toArray($notifiable)
+    {
+        return [
+            //
+        ];
+    }
 }