Adding Custom domains (#247)

* WIP

* wip

* Finished doing most of the work

app/Http/Requests/Workspace/CustomDomainRequest.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Http\Requests\Workspace;
+
+use App\Models\Workspace;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Http\Request;
+
+class CustomDomainRequest extends FormRequest
+{
+
+    public Workspace $workspace;
+    public array $customDomains = [];
+    public function __construct(Request $request, Workspace $workspace)
+    {
+        $this->workspace = Workspace::findOrFail($request->workspaceId);
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, mixed>
+     */
+    public function rules()
+    {
+        return [
+            'custom_domains' => [
+                'present',
+                'array',
+                function($attribute, $value, $fail) {
+                    $errors = [];
+                    $domains = collect($value)->filter(function ($domain) {
+                        return !empty( trim($domain) );
+                    })->each(function($domain) use (&$errors) {
+                        if (!preg_match('/^[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}$/', $domain)) {
+                            $errors[] = 'Invalid domain: ' . $domain;
+                        }
+                    });
+
+                    if (count($errors)) {
+                        $fail($errors);
+                    }
+
+                    $limit = $this->workspace->custom_domain_count_limit;
+                    if ($limit && $domains->count() > $limit) {
+                        $fail('You can only add ' . $limit . ' domain(s).');
+                    }
+
+                    $this->customDomains = $domains->toArray();
+                }
+            ]
+        ];
+    }
+
+    protected function passedValidation(){
+        $this->replace(['custom_domains' => $this->customDomains]);
+    }
+}