From 2f251bbfb04cfdaa8a85a40e64ee41c5243622cd Mon Sep 17 00:00:00 2001
From: tommaso <tommaso.cippitelli@protocollicreativi.it>
Date: Tue, 26 Aug 2025 11:47:03 +0200
Subject: [PATCH] generazione automatica alias

---
 administrator/forms/circolare.xml          |   4 +
 administrator/sql/updates/1.0.0.sql        |  10 +-
 administrator/sql/updates/1.1.0.sql        |   1 +
 administrator/src/Model/CircolareModel.php | 466 +++++++++++----------
 administrator/src/Table/CircolareTable.php | 150 ++++---
 administrator/tmpl/circolare/edit.php      |   1 +
 circolari.xml                              |   2 +-
 7 files changed, 364 insertions(+), 270 deletions(-)
 create mode 100644 administrator/sql/updates/1.1.0.sql

diff --git a/administrator/forms/circolare.xml b/administrator/forms/circolare.xml
index 5ce21f5..13f2d49 100644
--- a/administrator/forms/circolare.xml
+++ b/administrator/forms/circolare.xml
@@ -14,6 +14,10 @@
     <field name="created_by" type="createdby" default="0" label="JGLOBAL_FIELD_CREATED_BY_LABEL" description="JGLOBAL_FIELD_CREATED_BY_DESC" hidden="true" hint="COM_CIRCOLARI_FORM_LBL_CIRCOLARE_CREATED_BY"/>
     <field name="modified_by" type="modifiedby" default="0" label="JGLOBAL_FIELD_MODIFIED_BY_LABEL" description="JGLOBAL_FIELD_MODIFIED_BY_DESC" hidden="true" hint="COM_CIRCOLARI_FORM_LBL_CIRCOLARE_MODIFIED_BY"/>
     <field name="title" filter="safehtml" type="text" label="JGLOBAL_TITLE" description="JFIELD_TITLE_DESC" hint="COM_CIRCOLARI_FORM_LBL_CIRCOLARE_TITLE"/>
+    <field name="alias"
+       type="text"
+       label="JFIELD_ALIAS_LABEL"
+       description="JFIELD_ALIAS_DESC" />
     <field name="description" filter="safehtml" type="textarea" label="COM_CIRCOLARI_FORM_LBL_CIRCOLARE_DESCRIPTION" description="COM_CIRCOLARI_FORM_DESC_CIRCOLARE_DESCRIPTION" hint="COM_CIRCOLARI_FORM_LBL_CIRCOLARE_DESCRIPTION"/>
 <field name="attachment" type="media"
        label="COM_CIRCOLARI_FIELD_ATTACHMENT_LABEL"
diff --git a/administrator/sql/updates/1.0.0.sql b/administrator/sql/updates/1.0.0.sql
index 85ecc6e..a1a750c 100644
--- a/administrator/sql/updates/1.0.0.sql
+++ b/administrator/sql/updates/1.0.0.sql
@@ -1 +1,9 @@
-/* Only premium users are allowed to update a component */
\ No newline at end of file
+/* Only premium users are allowed to update a component */
+ALTER TABLE `#__circolari`
+  ADD COLUMN `alias` VARCHAR(255) NOT NULL DEFAULT '' AFTER `title`,
+  ADD INDEX `idx_alias` (`alias`);
+
+-- (facoltativo) prima valorizzazione "grezza" per i record esistenti
+UPDATE `#__circolari`
+SET `alias` = LOWER(REPLACE(TRIM(`title`), ' ', '-'))
+WHERE (`alias` = '' OR `alias` IS NULL) AND `title` IS NOT NULL;
diff --git a/administrator/sql/updates/1.1.0.sql b/administrator/sql/updates/1.1.0.sql
new file mode 100644
index 0000000..74524ed
--- /dev/null
+++ b/administrator/sql/updates/1.1.0.sql
@@ -0,0 +1 @@
+/* Only premium users are allowed to update a component */
diff --git a/administrator/src/Model/CircolareModel.php b/administrator/src/Model/CircolareModel.php
index 9e7ccfc..d2aebeb 100644
--- a/administrator/src/Model/CircolareModel.php
+++ b/administrator/src/Model/CircolareModel.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @version    CVS: 1.0.0
  * @package    Com_Circolari
@@ -20,6 +21,7 @@ use \Joomla\CMS\Helper\TagsHelper;
 use \Joomla\CMS\Filter\OutputFilter;
 use \Joomla\CMS\Event\Model;
 use Joomla\CMS\Event\AbstractEvent;
+use Joomla\CMS\Application\ApplicationHelper; 
 
 
 /**
@@ -29,249 +31,289 @@ use Joomla\CMS\Event\AbstractEvent;
  */
 class CircolareModel extends AdminModel
 {
-	/**
-	 * @var    string  The prefix to use with controller messages.
-	 *
-	 * @since  1.0.0
-	 */
-	protected $text_prefix = 'COM_CIRCOLARI';
+    /**
+     * @var    string  The prefix to use with controller messages.
+     *
+     * @since  1.0.0
+     */
+    protected $text_prefix = 'COM_CIRCOLARI';
 
-	/**
-	 * @var    string  Alias to manage history control
-	 *
-	 * @since  1.0.0
-	 */
-	public $typeAlias = 'com_circolari.circolare';
+    /**
+     * @var    string  Alias to manage history control
+     *
+     * @since  1.0.0
+     */
+    public $typeAlias = 'com_circolari.circolare';
 
-	/**
-	 * @var    null  Item data
-	 *
-	 * @since  1.0.0
-	 */
-	protected $item = null;
+    /**
+     * @var    null  Item data
+     *
+     * @since  1.0.0
+     */
+    protected $item = null;
 
-	
-	
 
-	/**
-	 * Returns a reference to the a Table object, always creating it.
-	 *
-	 * @param   string  $type    The table type to instantiate
-	 * @param   string  $prefix  A prefix for the table class name. Optional.
-	 * @param   array   $config  Configuration array for model. Optional.
-	 *
-	 * @return  Table    A database object
-	 *
-	 * @since   1.0.0
-	 */
-	public function getTable($type = 'Circolare', $prefix = 'Administrator', $config = array())
-	{
-		return parent::getTable($type, $prefix, $config);
-	}
 
-	/**
-	 * Method to get the record form.
-	 *
-	 * @param   array    $data      An optional array of data for the form to interogate.
-	 * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
-	 *
-	 * @return  \JForm|boolean  A \JForm object on success, false on failure
-	 *
-	 * @since   1.0.0
-	 */
-	public function getForm($data = array(), $loadData = true)
-	{
-		// Initialise variables.
-		$app = Factory::getApplication();
 
-		// Get the form.
-		$form = $this->loadForm(
-								'com_circolari.circolare', 
-								'circolare',
-								array(
-									'control' => 'jform',
-									'load_data' => $loadData 
-								)
-							);
+    /**
+     * Returns a reference to the a Table object, always creating it.
+     *
+     * @param   string  $type    The table type to instantiate
+     * @param   string  $prefix  A prefix for the table class name. Optional.
+     * @param   array   $config  Configuration array for model. Optional.
+     *
+     * @return  Table    A database object
+     *
+     * @since   1.0.0
+     */
+    public function getTable($type = 'Circolare', $prefix = 'Administrator', $config = array())
+    {
+        return parent::getTable($type, $prefix, $config);
+    }
 
-		
+    /**
+     * Method to get the record form.
+     *
+     * @param   array    $data      An optional array of data for the form to interogate.
+     * @param   boolean  $loadData  True if the form is to load its own data (default case), false if not.
+     *
+     * @return  \JForm|boolean  A \JForm object on success, false on failure
+     *
+     * @since   1.0.0
+     */
+    public function getForm($data = array(), $loadData = true)
+    {
+        // Initialise variables.
+        $app = Factory::getApplication();
 
-		if (empty($form))
-		{
-			return false;
-		}
+        // Get the form.
+        $form = $this->loadForm(
+            'com_circolari.circolare',
+            'circolare',
+            array(
+                'control' => 'jform',
+                'load_data' => $loadData
+            )
+        );
 
-		return $form;
-	}
 
-	
 
-	/**
-	 * Method to get the data that should be injected in the form.
-	 *
-	 * @return  mixed  The data for the form.
-	 *
-	 * @since   1.0.0
-	 */
-	protected function loadFormData()
-	{
-		// Check the session for previously entered form data.
-		$data = Factory::getApplication()->getUserState('com_circolari.edit.circolare.data', array());
+        if (empty($form)) {
+            return false;
+        }
 
-		if (empty($data))
-		{
-			if ($this->item === null)
-			{
-				$this->item = $this->getItem();
-			}
+        return $form;
+    }
 
-			$data = $this->item;
-			
-		}
 
-		return $data;
-	}
 
-	/**
-	 * Method to get a single record.
-	 *
-	 * @param   integer  $pk  The id of the primary key.
-	 *
-	 * @return  mixed    Object on success, false on failure.
-	 *
-	 * @since   1.0.0
-	 */
-	public function getItem($pk = null)
-	{
-		
-			if ($item = parent::getItem($pk))
-			{
-				if (isset($item->params))
-				{
-					$item->params = json_encode($item->params);
-				}
-				
-				// Do any procesing on fields here if needed
-			}
+    /**
+     * Method to get the data that should be injected in the form.
+     *
+     * @return  mixed  The data for the form.
+     *
+     * @since   1.0.0
+     */
+    protected function loadFormData()
+    {
+        // Check the session for previously entered form data.
+        $data = Factory::getApplication()->getUserState('com_circolari.edit.circolare.data', array());
 
-			return $item;
-		
-	}
+        if (empty($data)) {
+            if ($this->item === null) {
+                $this->item = $this->getItem();
+            }
 
-	/**
-	 * Method to duplicate an Circolare
-	 *
-	 * @param   array  &$pks  An array of primary key IDs.
-	 *
-	 * @return  boolean  True if successful.
-	 *
-	 * @throws  Exception
-	 */
-	public function duplicate(&$pks)
-	{
-		$app = Factory::getApplication();
-		$user = $app->getIdentity();
+            $data = $this->item;
+        }
+
+        return $data;
+    }
+
+    /**
+     * Method to get a single record.
+     *
+     * @param   integer  $pk  The id of the primary key.
+     *
+     * @return  mixed    Object on success, false on failure.
+     *
+     * @since   1.0.0
+     */
+    public function getItem($pk = null)
+    {
+
+        if ($item = parent::getItem($pk)) {
+            if (isset($item->params)) {
+                $item->params = json_encode($item->params);
+            }
+
+            // Do any procesing on fields here if needed
+        }
+
+        return $item;
+    }
+
+    /**
+     * Method to duplicate an Circolare
+     *
+     * @param   array  &$pks  An array of primary key IDs.
+     *
+     * @return  boolean  True if successful.
+     *
+     * @throws  Exception
+     */
+    public function duplicate(&$pks)
+    {
+        $app = Factory::getApplication();
+        $user = $app->getIdentity();
         $dispatcher = $this->getDispatcher();
 
-		// Access checks.
-		if (!$user->authorise('core.create', 'com_circolari'))
-		{
-			throw new \Exception(Text::_('JERROR_CORE_CREATE_NOT_PERMITTED'));
-		}
+        // Access checks.
+        if (!$user->authorise('core.create', 'com_circolari')) {
+            throw new \Exception(Text::_('JERROR_CORE_CREATE_NOT_PERMITTED'));
+        }
 
-		$context    = $this->option . '.' . $this->name;
+        $context    = $this->option . '.' . $this->name;
 
-		// Include the plugins for the save events.
-		PluginHelper::importPlugin($this->events_map['save']);
+        // Include the plugins for the save events.
+        PluginHelper::importPlugin($this->events_map['save']);
 
-		$table = $this->getTable();
+        $table = $this->getTable();
 
-		foreach ($pks as $pk)
-		{
-			
-				if ($table->load($pk, true))
-				{
-					// Reset the id to create a new record.
-					$table->id = 0;
+        foreach ($pks as $pk) {
 
-					if (!$table->check())
-					{
-						throw new \Exception($table->getError());
-					}
-					
+            if ($table->load($pk, true)) {
+                // Reset the id to create a new record.
+                $table->id = 0;
 
-					// Create the before save event.
-					$beforeSaveEvent = AbstractEvent::create(
-						$this->event_before_save,
-						[
-							'context' => $context,
-							'subject' => $table,
-							'isNew'   => true,
-							'data'    => $table,
-						]
-					);
+                if (!$table->check()) {
+                    throw new \Exception($table->getError());
+                }
 
-					// Trigger the before save event.
-					$dispatchResult = Factory::getApplication()->getDispatcher()->dispatch($this->event_before_save, $beforeSaveEvent);
 
-					// Check if dispatch result is an array and handle accordingly
-					$result = isset($dispatchResult['result']) ? $dispatchResult['result'] : [];
+                // Create the before save event.
+                $beforeSaveEvent = AbstractEvent::create(
+                    $this->event_before_save,
+                    [
+                        'context' => $context,
+                        'subject' => $table,
+                        'isNew'   => true,
+                        'data'    => $table,
+                    ]
+                );
 
-					// Proceed with your logic
-					if (in_array(false, $result, true) || !$table->store()) {
-						throw new \Exception($table->getError());
-					}
+                // Trigger the before save event.
+                $dispatchResult = Factory::getApplication()->getDispatcher()->dispatch($this->event_before_save, $beforeSaveEvent);
 
-					// Trigger the after save event.
-					Factory::getApplication()->getDispatcher()->dispatch(
-						$this->event_after_save,
-						AbstractEvent::create(
-							$this->event_after_save,
-							[
-								'context'    => $context,
-								'subject'    => $table,
-								'isNew'      => true,
-								'data'       => $table,
-							]
-						)
-					);			
-				}
-				else
-				{
-					throw new \Exception($table->getError());
-				}
-			
-		}
+                // Check if dispatch result is an array and handle accordingly
+                $result = isset($dispatchResult['result']) ? $dispatchResult['result'] : [];
 
-		// Clean cache
-		$this->cleanCache();
+                // Proceed with your logic
+                if (in_array(false, $result, true) || !$table->store()) {
+                    throw new \Exception($table->getError());
+                }
 
-		return true;
-	}
+                // Trigger the after save event.
+                Factory::getApplication()->getDispatcher()->dispatch(
+                    $this->event_after_save,
+                    AbstractEvent::create(
+                        $this->event_after_save,
+                        [
+                            'context'    => $context,
+                            'subject'    => $table,
+                            'isNew'      => true,
+                            'data'       => $table,
+                        ]
+                    )
+                );
+            } else {
+                throw new \Exception($table->getError());
+            }
+        }
 
-	/**
-	 * Prepare and sanitise the table prior to saving.
-	 *
-	 * @param   Table  $table  Table Object
-	 *
-	 * @return  void
-	 *
-	 * @since   1.0.0
-	 */
-	protected function prepareTable($table)
-	{
-		jimport('joomla.filter.output');
+        // Clean cache
+        $this->cleanCache();
 
-		if (empty($table->id))
-		{
-			// Set ordering to the last item if not set
-			if (@$table->ordering === '')
-			{
-				$db = $this->getDbo();
-				$db->setQuery('SELECT MAX(ordering) FROM #__circolari');
-				$max             = $db->loadResult();
-				$table->ordering = $max + 1;
-			}
-		}
-	}
+        return true;
+    }
+
+    /**
+     * Prepare and sanitise the table prior to saving.
+     *
+     * @param   Table  $table  Table Object
+     *
+     * @return  void
+     *
+     * @since   1.0.0
+     */
+    protected function prepareTable($table)
+    {
+        jimport('joomla.filter.output');
+
+        if (empty($table->id)) {
+            // Set ordering to the last item if not set
+            if (@$table->ordering === '') {
+                $db = $this->getDbo();
+                $db->setQuery('SELECT MAX(ordering) FROM #__circolari');
+                $max             = $db->loadResult();
+                $table->ordering = $max + 1;
+            }
+        }
+    }
+
+    public function check()
+    {
+        // ordering per nuovi record
+        if (property_exists($this, 'ordering') && (int) $this->id === 0) {
+            $this->ordering = self::getNextOrder();
+        }
+
+        // Titolo obbligatorio (se vuoi forzarlo)
+        $this->title = trim((string) ($this->title ?? ''));
+        if ($this->title === '') {
+            $this->setError(Text::_('JLIB_DATABASE_ERROR_MUSTCONTAIN_A_TITLE'));
+            return false;
+        }
+
+        // --- ALIAS: genera se vuoto, ripulisci, evita "solo numeri", garantisci univocità ---
+        $this->alias = trim((string) ($this->alias ?? ''));
+
+        // Se mancante → dal titolo
+        if ($this->alias === '') {
+            $this->alias = ApplicationHelper::stringURLSafe($this->title);
+        } else {
+            $this->alias = ApplicationHelper::stringURLSafe($this->alias);
+        }
+
+        // Evita alias vuoto o numerico puro
+        if ($this->alias === '' || ctype_digit($this->alias)) {
+            $seed = (int) ($this->id ?: time());
+            $this->alias = ApplicationHelper::stringURLSafe($this->title . '-' . $seed);
+        }
+
+        // Unicità alias nel contesto tabella
+        $base = $this->alias;
+        $i    = 2;
+        while ($this->aliasExists($this->alias, (int) $this->id)) {
+            $this->alias = $base . '-' . $i;
+            $i++;
+        }
+
+        return parent::check();
+    }
+
+    protected function aliasExists(string $alias, int $excludeId = 0): bool
+    {
+        $q = $this->_db->getQuery(true)
+            ->select('COUNT(*)')
+            ->from($this->_db->quoteName('#__circolari'))
+            ->where($this->_db->quoteName('alias') . ' = ' . $this->_db->quote($alias));
+
+        if ($excludeId > 0) {
+            $q->where($this->_db->quoteName('id') . ' != ' . (int) $excludeId);
+        }
+
+        $this->_db->setQuery($q);
+        return ((int) $this->_db->loadResult()) > 0;
+    }
 }
diff --git a/administrator/src/Table/CircolareTable.php b/administrator/src/Table/CircolareTable.php
index bb84ed5..2f67584 100644
--- a/administrator/src/Table/CircolareTable.php
+++ b/administrator/src/Table/CircolareTable.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @version    CVS: 1.0.0
  * @package    Com_Circolari
@@ -25,6 +26,7 @@ use \Joomla\CMS\Filesystem\File;
 use \Joomla\Registry\Registry;
 use \Pcrt\Component\Circolari\Administrator\Helper\CircolariHelper;
 use \Joomla\CMS\Helper\ContentHelper;
+use Joomla\CMS\Application\ApplicationHelper;
 
 
 /**
@@ -37,14 +39,14 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 	use TaggableTableTrait;
 
 	/**
-     * Indicates that columns fully support the NULL value in the database
-     *
-     * @var    boolean
-     * @since  4.0.0
-     */
-    protected $_supportNullValue = true;
+	 * Indicates that columns fully support the NULL value in the database
+	 *
+	 * @var    boolean
+	 * @since  4.0.0
+	 */
+	protected $_supportNullValue = true;
+
 
-	
 	/**
 	 * Constructor
 	 *
@@ -55,7 +57,6 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 		$this->typeAlias = 'com_circolari.circolare';
 		parent::__construct('#__circolari', 'id', $db);
 		$this->setColumnAlias('published', 'state');
-		
 	}
 
 	/**
@@ -87,41 +88,35 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 		$date = Factory::getDate();
 		$task = Factory::getApplication()->input->get('task');
 		$user = Factory::getApplication()->getIdentity();
-		
+
 		$input = Factory::getApplication()->input;
 		$task = $input->getString('task', '');
 
-		if ($array['id'] == 0 && empty($array['created_by']))
-		{
+		if ($array['id'] == 0 && empty($array['created_by'])) {
 			$array['created_by'] = Factory::getUser()->id;
 		}
 
-		if ($array['id'] == 0 && empty($array['modified_by']))
-		{
+		if ($array['id'] == 0 && empty($array['modified_by'])) {
 			$array['modified_by'] = Factory::getUser()->id;
 		}
 
-		if ($task == 'apply' || $task == 'save')
-		{
+		if ($task == 'apply' || $task == 'save') {
 			$array['modified_by'] = Factory::getUser()->id;
 		}
 
-		if (isset($array['params']) && is_array($array['params']))
-		{
+		if (isset($array['params']) && is_array($array['params'])) {
 			$registry = new Registry;
 			$registry->loadArray($array['params']);
 			$array['params'] = (string) $registry;
 		}
 
-		if (isset($array['metadata']) && is_array($array['metadata']))
-		{
+		if (isset($array['metadata']) && is_array($array['metadata'])) {
 			$registry = new Registry;
 			$registry->loadArray($array['metadata']);
 			$array['metadata'] = (string) $registry;
 		}
 
-		if (!$user->authorise('core.admin', 'com_circolari.circolare.' . $array['id']))
-		{
+		if (!$user->authorise('core.admin', 'com_circolari.circolare.' . $array['id'])) {
 			$actions         = Access::getActionsFromFile(
 				JPATH_ADMINISTRATOR . '/components/com_circolari/access.xml',
 				"/access/section[@name='circolare']/"
@@ -129,10 +124,8 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 			$default_actions = Access::getAssetRules('com_circolari.circolare.' . $array['id'])->getData();
 			$array_jaccess   = array();
 
-			foreach ($actions as $action)
-			{
-				if (key_exists($action->name, $default_actions))
-				{
+			foreach ($actions as $action) {
+				if (key_exists($action->name, $default_actions)) {
 					$array_jaccess[$action->name] = $default_actions[$action->name];
 				}
 			}
@@ -141,8 +134,7 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 		}
 
 		// Bind the rules for ACL where supported.
-		if (isset($array['rules']) && is_array($array['rules']))
-		{
+		if (isset($array['rules']) && is_array($array['rules'])) {
 			$this->setRules($array['rules']);
 		}
 
@@ -163,8 +155,8 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 	 */
 	public function store($updateNulls = true)
 	{
-		
-		
+
+
 		return parent::store($updateNulls);
 	}
 
@@ -179,14 +171,11 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 	{
 		$rules = array();
 
-		foreach ($jaccessrules as $action => $jaccess)
-		{
+		foreach ($jaccessrules as $action => $jaccess) {
 			$actions = array();
 
-			if ($jaccess)
-			{
-				foreach ($jaccess->getData() as $group => $allow)
-				{
+			if ($jaccess) {
+				foreach ($jaccess->getData() as $group => $allow) {
 					$actions[$group] = ((bool)$allow);
 				}
 			}
@@ -205,12 +194,46 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 	public function check()
 	{
 		// If there is an ordering column and this is a new row then get the next ordering value
-		if (property_exists($this, 'ordering') && $this->id == 0)
-		{
+		if (property_exists($this, 'ordering') && $this->id == 0) {
 			$this->ordering = self::getNextOrder();
 		}
-		
-		
+
+// Ordering per nuovi record
+		if (property_exists($this, 'ordering') && (int) $this->id === 0) {
+			$this->ordering = self::getNextOrder();
+		}
+
+		// Titolo obbligatorio (se preferisci non forzarlo, rimuovi questo blocco)
+		$this->title = trim((string) ($this->title ?? ''));
+		if ($this->title === '') {
+			$this->setError(Text::_('JLIB_DATABASE_ERROR_MUSTCONTAIN_A_TITLE'));
+			return false;
+		}
+
+		// --- ALIAS: genera se vuoto, pulisci, evita solo-numeri, rendilo unico ---
+		$this->alias = trim((string) ($this->alias ?? ''));
+
+		// Se non presente → dal titolo
+		if ($this->alias === '') {
+			$this->alias = ApplicationHelper::stringURLSafe($this->title);
+		} else {
+			$this->alias = ApplicationHelper::stringURLSafe($this->alias);
+		}
+
+		// Evita alias vuoto o numerico puro
+		if ($this->alias === '' || ctype_digit($this->alias)) {
+			$seed = (int) ($this->id ?: time());
+			$this->alias = ApplicationHelper::stringURLSafe($this->title . '-' . $seed);
+		}
+
+		// Unicità alias nella tabella
+		$base = $this->alias;
+		$i    = 2;
+		while ($this->aliasExists($this->alias, (int) $this->id)) {
+			$this->alias = $base . '-' . $i;
+			$i++;
+		}
+
 
 		return parent::check();
 	}
@@ -251,8 +274,7 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 		$assetParent->loadByName('com_circolari');
 
 		// Return the found asset-parent-id
-		if ($assetParent->id)
-		{
+		if ($assetParent->id) {
 			$assetParentId = $assetParent->id;
 		}
 
@@ -261,19 +283,35 @@ class CircolareTable extends Table implements VersionableTableInterface, Taggabl
 
 	//XXX_CUSTOM_TABLE_FUNCTION
 
-	
-    /**
-     * Delete a record by id
-     *
-     * @param   mixed  $pk  Primary key value to delete. Optional
-     *
-     * @return bool
-     */
-    public function delete($pk = null)
-    {
-        $this->load($pk);
-        $result = parent::delete($pk);
-        
-        return $result;
-    }
+
+	/**
+	 * Delete a record by id
+	 *
+	 * @param   mixed  $pk  Primary key value to delete. Optional
+	 *
+	 * @return bool
+	 */
+	public function delete($pk = null)
+	{
+		$this->load($pk);
+		$result = parent::delete($pk);
+
+		return $result;
+	}
+
+	protected function aliasExists(string $alias, int $excludeId = 0): bool
+	{
+		$q = $this->_db->getQuery(true)
+			->select('COUNT(*)')
+			->from($this->_db->quoteName('#__circolari'))
+			->where($this->_db->quoteName('alias') . ' = ' . $this->_db->quote($alias));
+
+		if ($excludeId > 0) {
+			$q->where($this->_db->quoteName('id') . ' != ' . (int) $excludeId);
+		}
+
+		$this->_db->setQuery($q);
+		return ((int) $this->_db->loadResult()) > 0;
+	}
+
 }
diff --git a/administrator/tmpl/circolare/edit.php b/administrator/tmpl/circolare/edit.php
index b91ed74..6eba66d 100644
--- a/administrator/tmpl/circolare/edit.php
+++ b/administrator/tmpl/circolare/edit.php
@@ -35,6 +35,7 @@ HTMLHelper::_('bootstrap.tooltip');
 			<fieldset class="adminform">
 				<legend><?php echo Text::_('COM_CIRCOLARI_FIELDSET_CIRCOLARI'); ?></legend>
 				<?php echo $this->form->renderField('title'); ?>
+				<?php echo $this->form->renderField('alias'); ?>
 				<?php echo $this->form->renderField('description'); ?>
 				<?php echo $this->form->renderField('attachment'); ?>
 				<?php echo $this->form->renderField('image'); ?>
diff --git a/circolari.xml b/circolari.xml
index ef60936..f1c4db3 100644
--- a/circolari.xml
+++ b/circolari.xml
@@ -7,7 +7,7 @@
     <author>Tommaso Cippitelli</author>
     <authorEmail>tommaso.cippitelli@protocollicreativi.it</authorEmail>
     <authorUrl>http://</authorUrl>
-    <version>CVS: 1.0.0</version>
+    <version>CVS: 1.1.0</version>
     <description></description>
     <namespace path="src">Pcrt\Component\Circolari</namespace>