Do this check server sided

app/Http/Controllers/SiteController.php

@@ -39,6 +39,12 @@ class SiteController extends Controller
 
     public function store(SiteRequest $request)
     {
+        if (Site::query()->where('domain', $request->input('domain'))->exists()) {
+            return redirect()->back()->withErrors([
+                'domain' => 'This domain is not available.'
+            ]);
+        }
+
         if ($serverId = $request->input('server_id')) {
             $server = $request->user()->servers()->findOrFail($serverId);
         } else {
@@ -143,19 +149,4 @@ class SiteController extends Controller
 
         return ['ftp_password' => decrypt(Arr::get($systemUser, 'ftp_password'))];
     }
-
-    public function checkDomainExistence(Request $request): JsonResponse
-    {
-        $domainToCheck = $request->input('domain');
-
-        if (! $domainToCheck) {
-            return response()->json(['result' => null]);
-        }
-
-        $exists = Site::whereDomain($domainToCheck)->exists();
-
-        return response()->json([
-            'result' => $exists
-        ]);
-    }
 }

public/css/app.css

@@ -1806,10 +1806,6 @@ select {
 .text-on-warning {
   color: var(--color-text-on-warning);
 }
-.text-red-500 {
-  --tw-text-opacity: 1;
-  color: rgb(239 68 68 / var(--tw-text-opacity));
-}
 .text-orange-600 {
   --tw-text-opacity: 1;
   color: rgb(234 88 12 / var(--tw-text-opacity));
@@ -1818,17 +1814,9 @@ select {
   --tw-text-opacity: 1;
   color: rgb(107 114 128 / var(--tw-text-opacity));
 }
-.text-green-500 {
+.text-red-500 {
   --tw-text-opacity: 1;
-  color: rgb(34 197 94 / var(--tw-text-opacity));
-}
-.text-green-600 {
-  --tw-text-opacity: 1;
-  color: rgb(22 163 74 / var(--tw-text-opacity));
-}
-.text-green-700 {
-  --tw-text-opacity: 1;
-  color: rgb(21 128 61 / var(--tw-text-opacity));
+  color: rgb(239 68 68 / var(--tw-text-opacity));
 }
 .underline {
   -webkit-text-decoration-line: underline;

resources/js/Pages/Sites/Index.vue

@@ -8,10 +8,6 @@
                     <template #form>
                         <FormInput :label="__('Domain')" :errors="$page.props.errors.domain" v-model="form.domain"/>
 
-                        <div class="text-sm">
-                            <p class="text-orange-600" v-if="domainExists === true">{{ __('Warning: domain already exists.') }}</p>
-                        </div>
-
                         <FormSelect v-if="Object.keys(availableServers).length" :label="__('Select server')" v-model="form.server_id">
                             <option :value="`${null}`">{{ __('Select random server') }}</option>
                             <option v-for="(name, id) in availableServers" :value="id" v-text="name"></option>
@@ -120,7 +116,6 @@ import DropdownListItem from '@/components/DropdownListItem'
 import DropdownListItemButton from '@/components/DropdownListItemButton'
 import {useConfirm} from '@/hooks/confirm'
 import Pagination from '@/components/Pagination'
-import debounce from "lodash/debounce";
 
 
 export default {
@@ -205,10 +200,6 @@ export default {
                     this.startPollingInterval();
                 }
             },
-
-            'form.domain': debounce(function(value) {
-                this.checkDomainExistence();
-            }, 200)
         },
 
         data() {
@@ -261,13 +252,6 @@ export default {
                 this.$page.props.errors = [];
             },
 
-            checkDomainExistence() {
-                window.axios.post(this.route('sites.check-domain-existence'), {domain: this.form.domain}).then(response => {
-                    console.log(response.data);
-                    this.domainExists = response.data.result;
-                });
-            },
-
             submit() {
                 this.$inertia.post(this.route('sites.store'), this.form, {
                     only: ['errors', 'flash', 'sites'],

routes/web.php

@@ -34,7 +34,6 @@ Route::group(['middleware' => ['auth', 'auth.blocked']], function () {
             Route::delete('{site}', 'SiteController@destroy')->name('delete');
             Route::post('/', 'SiteController@store')->name('store');
             Route::post('{site}/request-ftp-password', 'SiteController@requestFtpPassword')->name('request-ftp-password');
-            Route::post('check-domain-existence', 'SiteController@checkDomainExistence')->name('check-domain-existence');
 
             Route::get('{site}/settings', 'SiteSettingController@show')->name('settings.show');
             Route::patch('{site}/settings', 'SiteSettingController@update')->name('settings.update');