[0.2] Allow extending of validation rules

packages/admin/resources/views/partials/products/editing/collections.blade.php

@@ -81,5 +81,11 @@ class="flex items-center justify-between px-4 py-2 text-sm text-red-600 hover:bg
                 </div>
             @endforeach
         </div>
+        @error('collections')
+            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
+        @enderror
+        @error('collections.*')
+            <p class="mt-2 text-sm text-red-600">{{ $message }}</p>
+        @enderror
     </div>
 </div>

packages/admin/src/Http/Livewire/Components/Products/AbstractProduct.php

@@ -2,6 +2,7 @@
 
 namespace GetCandy\Hub\Http\Livewire\Components\Products;
 
+use GetCandy\Hub\Http\Livewire\Traits\CanExtendValidation;
 use GetCandy\Hub\Http\Livewire\Traits\HasAvailability;
 use GetCandy\Hub\Http\Livewire\Traits\HasDimensions;
 use GetCandy\Hub\Http\Livewire\Traits\HasImages;
@@ -42,6 +43,7 @@ abstract class AbstractProduct extends Component
     use HasUrls;
     use HasTags;
     use HasSlots;
+    use CanExtendValidation;
 
     /**
      * The current product we are editing.
@@ -246,8 +248,11 @@ protected function rules()
             $baseRules,
             $this->hasImagesValidationRules(),
             $this->withAttributesValidationRules(),
-            $this->hasUrlsValidationRules(! $this->product->id),
-            $this->withAttributesValidationRules()
+            $this->hasUrlsValidationRules(!$this->product->id),
+            $this->withAttributesValidationRules(),
+            $this->getExtendValidation([
+                'product' => $this->product,
+            ]),
         );
     }
 
@@ -846,6 +851,8 @@ public function getSideMenuProperty()
                 'id'         => 'collections',
                 'hidden'     => false,
                 'has_errors' => $this->errorBag->hasAny([
+                    'collections',
+                    'collections.*'
                 ]),
             ],
         ])->reject(fn ($item) => ($item['hidden'] ?? false));

packages/admin/src/Http/Livewire/Traits/CanExtendValidation.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace GetCandy\Hub\Http\Livewire\Traits;
+
+use Closure;
+use Illuminate\Support\Facades\Log;
+
+trait CanExtendValidation
+{
+
+    public static array $extendedValidationRules = [];
+
+    /**
+     * Extend validation rules
+     *
+     * @return void
+     */
+    public static function extendValidation(array $validations): void
+    {
+        self::$extendedValidationRules = $validations;
+    }
+
+    /**
+     * Get extended validation rules
+     *
+     * @return array
+     */
+    protected function getExtendValidation($parameters): array
+    {
+        return collect(self::$extendedValidationRules)
+            ->map(function ($rules) use ($parameters) {
+
+                if (is_array($rules) || $rules instanceof Closure) {
+                    if ($rules instanceof Closure) $rules = [$rules];
+
+                    return collect($rules)->map(function ($rule) use ($parameters) {
+                        if ($rule instanceof Closure) {
+                            return app()->call($rule, $parameters);
+                        }
+
+                        return $rule;
+                    })->toArray();
+                }
+
+                return $rules;
+            })->toArray();
+    }
+}

packages/admin/src/helpers.php

@@ -12,20 +12,20 @@ function max_upload_filesize()
     }
 }
 
-if (! function_exists('get_validation')) {
+if (!function_exists('get_validation')) {
     function get_validation($reference, $field, $defaults = [], Model $model = null)
     {
         $config = config("getcandy-hub.{$reference}.{$field}", []);
 
         $rules = $defaults;
 
-        $rules[] = ! empty($config['required']) ? 'required' : 'nullable';
+        $rules[] = !empty($config['required']) ? 'required' : 'nullable';
 
         if (($config['unique'] ?? false) && $model) {
-            $rule = 'unique:'.get_class($model).','.$field;
+            $rule = 'unique:' . get_class($model) . ',' . $field;
 
             if ($model->id) {
-                $rule .= ','.$model->id;
+                $rule .= ',' . $model->id;
             }
 
             $rules[] = $rule;