fix parent, teacher and admin pages

app/Http/Requests/Users/UserUpdateRequest.php

@@ -3,6 +3,7 @@
 namespace App\Http\Requests\Users;
 
 use App\Http\Requests\ApiFormRequest;
+use App\Models\User;
 use Illuminate\Validation\Rule;
 
 class UserUpdateRequest extends ApiFormRequest
@@ -14,14 +15,30 @@ class UserUpdateRequest extends ApiFormRequest
 
     public function rules(): array
     {
-        $userId = (int) ($this->route('userId') ?? 0);
+        $userId = (int) (
+            $this->route('userId')
+            ?? $this->route('id')
+            ?? $this->input('id')
+            ?? 0
+        );
+        $currentEmail = '';
+
+        if ($userId > 0) {
+            $currentEmail = strtolower(trim((string) (User::query()->whereKey($userId)->value('email') ?? '')));
+        }
+
+        $emailRules = ['sometimes', 'email', 'max:255'];
+        $incomingEmail = strtolower(trim((string) $this->input('email', '')));
+        if ($incomingEmail !== '' && $incomingEmail !== $currentEmail) {
+            $emailRules[] = Rule::unique('users', 'email')->ignore($userId);
+        }
 
         return [
             'firstname' => ['sometimes', 'string', 'max:255'],
             'lastname' => ['sometimes', 'string', 'max:255'],
             'gender' => ['sometimes', 'nullable', 'string', Rule::in(['Male', 'Female', 'male', 'female', 'MALE', 'FEMALE'])],
             'cellphone' => ['sometimes', 'string', 'max:25'],
-            'email' => ['sometimes', 'email', 'max:255', Rule::unique('users', 'email')->ignore($userId)],
+            'email' => $emailRules,
             'address_street' => ['sometimes', 'string', 'max:255'],
             'apt' => ['sometimes', 'nullable', 'string', 'max:25'],
             'city' => ['sometimes', 'string', 'max:255'],