first commit

app/Rules/ValidTeamInvitation.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Rules;
+
+use App\Models\TeamInvitation;
+use App\Models\User;
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Translation\PotentiallyTranslatedString;
+
+class ValidTeamInvitation implements ValidationRule
+{
+    public function __construct(protected ?User $user)
+    {
+        //
+    }
+
+    /**
+     * Run the validation rule.
+     *
+     * @param  Closure(string, ?string=): PotentiallyTranslatedString  $fail
+     */
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (! $value instanceof TeamInvitation || ! $this->user instanceof User) {
+            $fail(__('This invitation was sent to a different email address.'));
+
+            return;
+        }
+
+        if ($value->isAccepted()) {
+            $fail(__('This invitation has already been accepted.'));
+
+            return;
+        }
+
+        if ($value->isExpired()) {
+            $fail(__('This invitation has expired.'));
+
+            return;
+        }
+
+        if (strtolower($value->email) !== strtolower($this->user->email)) {
+            $fail(__('This invitation was sent to a different email address.'));
+        }
+    }
+}