module shop, flash message

kernel/Flash.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace kernel;
+
+use Josantonius\Session\Facades\Session;
+
+class Flash
+{
+
+    public static function setMessage(string $type, string $msg): void
+    {
+        Session::start();
+        Session::set($type, $msg);
+    }
+
+    public static function getMessage(string $type): string
+    {
+        $msg = Session::get($type, false);
+        Session::remove($type);
+
+        return $msg;
+    }
+
+    public static function hasMessage(string $type): bool
+    {
+        return Session::has($type);
+    }
+
+}

kernel/FormModel.php

@@ -42,7 +42,7 @@ class FormModel
 
     public function getItem(string $name)
     {
-        if (isset($this->data[$name])){
+        if (isset($this->data[$name])) {
             return $this->data[$name];
         }
 
@@ -64,4 +64,19 @@ class FormModel
         return $this->validator->getProcessedErrors();
     }
 
+    public function getErrorsStr(): string
+    {
+        $errorsArr = $this->getErrors();
+        $str = '';
+        if ($errorsArr['errors']) {
+            foreach ($errorsArr['errors'] as $key => $errorArr) {
+                foreach ($errorsArr['errors'][$key] as $error){
+                    $str .= "$error <br>";
+                }
+            }
+        }
+
+        return $str;
+    }
+
 }

kernel/admin_themes/default/layout/main.php

@@ -70,13 +70,18 @@
                 </div>
             </div>
         </nav>
-        <?php if (\Josantonius\Session\Facades\Session::get("error", false)): ?>
-        <div class="alert alert-danger alert-dismissible" id="mainAlert">
-            <?= \Josantonius\Session\Facades\Session::get("error"); ?>
-            <?php \Josantonius\Session\Facades\Session::remove("error"); ?>
-            <button type="button" class="btn-close" id="closeAlertBtn"></button>
+        <?php if (\kernel\Flash::hasMessage("error")): ?>
+        <div class="alert alert-danger alert-dismissible mainAlert">
+            <?= \kernel\Flash::getMessage("error"); ?>
+            <button type="button" class="btn-close closeAlertBtn"></button>
         </div>
         <?php endif; ?>
+        <?php if (\kernel\Flash::hasMessage("success")): ?>
+            <div class="alert alert-success alert-dismissible">
+                <?= \kernel\Flash::getMessage("success"); ?>
+                <button type="button" class="btn-close closeAlertBtn" ></button>
+            </div>
+        <?php endif; ?>
         <?= $content ?>
     </div>
 </div>