Admindeletearticlecategoryaction.class.php:
<?php
include_once( PLOG_CLASS_PATH."class/action/admin/adminaction.class.php" );
include_once( PLOG_CLASS_PATH."class/dao/articlecategories.class.php" );
include_once( PLOG_CLASS_PATH."class/data/validator/integervalidator.class.php" );
include_once( PLOG_CLASS_PATH."class/data/validator/arrayvalidator.class.php" );
include_once( PLOG_CLASS_PATH."class/data/validator/emptyvalidator.class.php" );
include_once( PLOG_CLASS_PATH."class/view/admin/adminarticlecategorieslistview.class.php" );
/**
* \ingroup Action
* @private
*
* Deletes an article category from the database
*/
class AdminDeleteArticleCategoryAction extends AdminAction
{
var $_categoryId;
var $_categoryIds;
/**
* Constructor. If nothing else, it also has to call the constructor of the parent
* class, BlogAction with the same parameters
*/
function AdminDeleteArticleCategoryAction( $actionInfo, $request )
{
$this->AdminAction( $actionInfo, $request );
$this->_mode = $actionInfo->getActionParamValue();
// get the array that contains the categories we'd like to delete
if( $this->_mode == "deleteArticleCategory" )
$this->registerFieldValidator( "categoryId", new IntegerValidator());
else
$this->registerFieldValidator( "categoryIds", new ArrayValidator());
$view = new AdminArticleCategoriesListView( $this->_blogInfo );
$view->setErrorMessage( $this->_locale->tr("error_incorrect_category_id"));
$this->setValidationErrorView( $view );
}
/**
* @private
* removes categories from the database
*/
function _deleteArticleCategories()
{
$categories = new ArticleCategories();
$errorMessage = "";
$successMessage = "";
$totalOk = 0;
foreach( $this->_categoryIds as $categoryId ) {
// get the category
$category = $categories->getCategory( $categoryId, $this->_blogInfo->getId());
if( $category ) {
// get how many articles it has
//$numArticles = $categories->getNumArticlesCategory( $categoryId );
$numArticles = $category->getNumArticles( POST_STATUS_ALL );
// fire the pre-event
$this->notifyEvent( EVENT_PRE_CATEGORY_DELETE, Array( "category" => &$category ));
// if it has at least one we can't delete it because then it would break the
// integrity of our data in the database...
if( $numArticles > 0 ) {
$errorMessage .= $this->_locale->pr( "error_category_has_articles", $category->getName())."<br/>";
}
else {
// if everything correct, we can proceed and delete it
if( !$categories->deleteCategory( $categoryId, $this->_blogInfo->getId()))
$errorMessage .= $this->_locale->pr("error_deleting_category")."<br/>";
else {
if( $totalOk < 2 )
$successMessage .= $this->_locale->pr("category_deleted_ok", $category->getName())."<br/>";
else
$successMessage = $this->_locale->pr( "categories_deleted_ok", $totalOk );
// fire the pre-event
$this->notifyEvent( EVENT_POST_CATEGORY_DELETE, Array( "category" => &$category ));
}
}
}
else {
$errorMessage .= $this->_locale->pr("error_deleting_category2", $categoryId)."<br/>";
}
}
// prepare the view and all the information it needs to know
$this->_view = new AdminArticleCategoriesListView( $this->_blogInfo );
if( $errorMessage != "" )
$this->_view->setErrorMessage( $errorMessage );
if( $successMessage != "" ) {
// and clear the cache to avoid outdated information
CacheControl::resetBlogCache( $this->_blogInfo->getId(), false );
$this->_view->setSuccessMessage( $successMessage );
}
$this->setCommonData();
return true;
}
/**
* Carries out the specified action
*/
function perform()
{
// prepare the parameters.. If there's only one category id, then add it to
// an array.
if( $this->_mode == "deleteArticleCategory" ) {
$this->_categoryIds = Array();
$this->_categoryIds[] = $this->_request->getValue( "categoryId" );
}
else
$this->_categoryIds = $this->_request->getValue( "categoryIds" );
return $this->_deleteArticleCategories();
}
}
?>
Other Blog Scripts:
