adding #40

app/Menus/ItemValidator.php

@@ -0,0 +1,119 @@
+<?php
+
+namespace App\Menus;
+
+use PhpSchool\CliMenu\MenuItem\StaticItem;
+use Respect\Validation\Exceptions\NestedValidationException;
+
+/**
+ *
+ *
+ * 
+ *
+ */
+class ItemValidator
+{
+    // items from menu
+    private $items;
+
+    // current message
+    private $message;
+
+    // validator
+    private $validator;
+
+    /**
+     *
+     *
+     */
+    public function __construct($validator)
+    {
+        $this->validator = $validator;
+        $this->message = new StaticItem(''); // must create to compare in items
+    }
+
+    /**
+     *  remove all items from menu and save them
+     *
+     *  @param  [type] $menu
+     *
+     */
+    private function clear(&$menu)
+    {
+        $this->items = $menu->getItems();
+
+        foreach($menu->getItems() as $item) {
+            $menu->removeItem($item);
+        }
+    }
+
+    /**
+     *  add staticItem after item
+     *
+     *  @param [type] $menu
+     *  @param [type] $after
+     *  @param [type] $target
+     *
+     */
+    private function addAfter(&$menu, $after, $target)
+    {
+        $this->clear($menu);
+
+        foreach($this->items as $item) {
+            $menu->addItem($item);
+
+            if ($after === $item) {
+                $menu->addItem($target, true);
+            }
+        }
+    }
+
+    /**
+     *  remove staticItem
+     *
+     *
+     *  @param  [type] $menu   [description]
+     *  @param  [type] $target [description]
+     *
+     */
+    private function remove(&$menu, $target)
+    {
+        $this->clear($menu);
+
+        foreach($this->items as $item) {
+            if ($item === $target) {
+                continue;
+            }
+
+            $menu->addItem($item);
+        }
+    }
+
+    /**
+     *  validate,
+     *  if failed show staticItem with errors,
+     *  if not remove staticItem if found
+     *
+     *  @param  [type] $menu
+     *  @param  [type] $item
+     *  @param  [type] $data
+     *
+     */
+    public function validate(&$menu, $item, $data)
+    {
+        try {
+            $this->validator->assert($data);
+        } catch(NestedValidationException $exception) {
+            $errors = $exception->getMessages();
+        }
+
+        if (isset($errors)) {
+
+            // @TODO use ColorUtil
+            $this->message->setText("\033[33m"."\xE2\x9A\xA0 ".join(' ', $errors));
+            $this->addAfter($menu, $item, $this->message);
+        } else {
+            $this->remove($menu, $this->message);
+        }
+    }
+}

app/Menus/Nginx/TemplateMenuFactory.php

@@ -7,10 +7,13 @@ use PhpSchool\CliMenu\CliMenu;
 use PhpSchool\CliMenu\MenuItem\CheckboxItem;
 use PhpSchool\CliMenu\Style\SelectableStyle;
 use PhpSchool\CliMenu\MenuItem\MenuMenuItem;
+use PhpSchool\CliMenu\MenuItem\StaticItem;
 
 use Respect\Validation\Validator as v;
 use Respect\Validation\Exceptions\NestedValidationException;
 
+use App\Menus\ItemValidator;
+
 use App\BladeFile;
 use App\Helpers\NginxTemplateHelper;
 
@@ -87,9 +90,9 @@ class TemplateMenuFactory
      *  @param string $label
      *  @param array $configuration
      */
-    private function addInputItem($key, $label, &$configuration)
+    private function addInputItem($key, $label, &$configuration, $itemValidator = NULL)
     {
-        $callable = function(CliMenu $menu) use ($key, $label, &$configuration)
+        $callable = function(CliMenu $menu) use ($key, $label, &$configuration, $itemValidator)
         {
             $input = $menu->askText();
 
@@ -101,6 +104,11 @@ class TemplateMenuFactory
             $configuration[$key] = $result->fetch();
 
             $menu->getSelectedItem()->setText($label.': '.$result->fetch());
+
+            if ($itemValidator) {
+                $itemValidator->validate($menu, $menu->getSelectedItem(), [ $key => $result->fetch() ]);
+            }
+
             $menu->redraw();
         };
 
@@ -121,12 +129,9 @@ class TemplateMenuFactory
             // getting configuration
             $data = $configuration;
 
-            // add directory for validator to check if file exits
-            $data['index'] = $data['root'].'/'.$data['index'];
-
             $validator = v::key('domain', v::domain(false))
-                ->key('root', v::directory())
-                ->key('index', v::file())
+                ->key('root', v::notEmpty())
+                ->key('index', v::notEmpty())
                 ->key('phpFpm', v::notEmpty());
 
             try {
@@ -211,6 +216,9 @@ class TemplateMenuFactory
 
             $checkboxRedirect->setChecked($configuration['redirect_www']);
 
+            $validator = v::key('root', v::directory());
+            $itemValidator = new ItemValidator($validator);
+
             $builder
                 ->setTitle('Nginx > Add > '.$template['name'])
                 ->setGoBackButtonText('Cancel')
@@ -219,7 +227,7 @@ class TemplateMenuFactory
                 ->addItem('domain: -', $this->addInputItem('domain', 'domain', $configuration))
 
                 // input root
-                ->addItem('root: -', $this->addInputItem('root', 'root', $configuration))
+                ->addItem('root: -', $this->addInputItem('root', 'root', $configuration, $itemValidator))
 
                 // input index
                 ->addItem('index: '.$configuration['index'], $this->addInputItem('index', 'index', $configuration))