/**
* Display a form for updating/editing an attachment
*/
public function update()
{
// Call with: index.php?option=com_attachments&task=update&id=1&tmpl=component
// or: component/attachments/update/id/1/tmpl/component
// Make sure we have a valid attachment ID
$id = JRequest::getInt('id');
if (is_numeric($id)) {
$id = (int) $id;
} else {
$errmsg = JText::sprintf('ATTACH_ERROR_INVALID_ATTACHMENT_ID_N', $id) . ' (ERR 24)';
JError::raiseError(500, $errmsg);
}
// Get the attachment record
require_once JPATH_COMPONENT_SITE . '/models/attachment.php';
$model = new AttachmentsModelAttachment();
$model->setId($id);
$attachment = $model->getAttachment();
if (!$attachment) {
$errmsg = JText::sprintf('ATTACH_ERROR_CANNOT_UPDATE_ATTACHMENT_INVALID_ID_N', $id) . ' (ERR 25)';
JError::raiseError(500, $errmsg);
}
// Get the component parameters
jimport('joomla.application.component.helper');
$params = JComponentHelper::getParams('com_attachments');
// Get the article/parent handler
$parent_id = $attachment->parent_id;
$parent_type = $attachment->parent_type;
$parent_entity = $attachment->parent_entity;
JPluginHelper::importPlugin('attachments');
$apm = getAttachmentsPluginManager();
if (!$apm->attachmentsPluginInstalled($parent_type)) {
$errmsg = JText::sprintf('ATTACH_ERROR_INVALID_PARENT_TYPE_S', $parent_type) . ' (ERR 26)';
JError::raiseError(500, $errmsg);
}
$parent = $apm->getAttachmentsPlugin($parent_type);
// Check to make sure we can edit it
if (!$parent->userMayEditAttachment($attachment)) {
return JError::raiseError(404, JText::_('JERROR_ALERTNOAUTHOR') . ' (ERR 27)');
}
// Set up the entity name for display
$parent_entity_name = JText::_('ATTACH_' . $parent_entity);
// Verify that this user may add attachments to this parent
$user = JFactory::getUser();
$new_parent = false;
if ($parent_id === null) {
$parent_id = 0;
$new_parent = true;
}
// Make sure the attachments directory exists
$upload_dir = JPATH_BASE . '/' . AttachmentsDefines::$ATTACHMENTS_SUBDIR;
$secure = $params->get('secure', false);
if (!AttachmentsHelper::setup_upload_directory($upload_dir, $secure)) {
$errmsg = JText::sprintf('ATTACH_ERROR_UNABLE_TO_SETUP_UPLOAD_DIR_S', $upload_dir) . ' (ERR 28)';
JError::raiseError(500, $errmsg);
}
// Make sure the update parameter is legal
$update = JRequest::getWord('update');
if ($update && !in_array($update, AttachmentsDefines::$LEGAL_URI_TYPES)) {
$update = false;
}
// Suppress the display filename if we are switching from file to url
$display_name = $attachment->display_name;
if ($update && $update != $attachment->uri_type) {
$attachment->display_name = '';
}
// Set up the view
require_once JPATH_COMPONENT_SITE . '/views/update/view.html.php';
$view = new AttachmentsViewUpdate();
$from = JRequest::getWord('from', 'closeme');
AttachmentsHelper::add_view_urls($view, 'update', $parent_id, $attachment->parent_type, $id, $from);
$view->update = $update;
$view->new_parent = $new_parent;
$view->attachment = $attachment;
$view->parent = $parent;
$view->params = $params;
$view->from = $from;
$view->Itemid = JRequest::getInt('Itemid', 1);
$view->error = false;
$view->error_msg = false;
$view->display();
}
/**
* Add the infomation about the URL to the attaachment record and then save it
*
* @param &object &$attachment the attachment object
* @param &object &$parent the attachments parent object
* @param bool $verify whether the existance of the URL should be checked
* @param bool $relative_url allow relative URLs
* @param string $update the type of update (or false if it is not an update)
* @param int $attachment_id the attachment ID, false if this is a new attachment
*
* @return an error message if there is a problem
*/
public static function add_url(&$attachment, &$parent, $verify, $relative_url = false, $update = false, $attachment_id = false)
{
$user = JFactory::getUser();
// Get the component parameters
jimport('joomla.application.component.helper');
$params = JComponentHelper::getParams('com_attachments');
// Get the auto-publish setting
$auto_publish = $params->get('publish_default', false);
// Figure out if the user has permissions to publish
$may_publish = $parent->userMayChangeAttachmentState($attachment->parent_id, $attachment->parent_entity, $attachment->created_by);
// If we are updating, note the name of the old filename (if there was one)
// (Needed for switching from a file to a URL)
$old_filename = null;
$old_filename_sys = null;
$old_display_name = null;
if ($update) {
if ($attachment->filename_sys) {
$old_filename = $attachment->filename;
$old_filename_sys = $attachment->filename_sys;
}
$old_display_name = JRequest::getString('old_display_name', null);
}
// Check to make sure the URL is valid
$from = JRequest::getWord('from');
// Get the info from the url
$result = AttachmentsHelper::get_url_info($attachment->url, $attachment, $verify, $relative_url);
// Save the info about the URL flags
$attachment->url_verify = $verify;
$attachment->url_relative = $relative_url;
// If there was an error, bow out
if ($result !== true) {
$app = JFactory::getApplication();
if ($app->isAdmin()) {
return $result;
}
$update_form = JRequest::getWord('update');
// Redisplay the upload/update form with complaints
if ($update) {
require_once JPATH_COMPONENT_SITE . '/views/update/view.html.php';
$view = new AttachmentsViewUpdate();
AttachmentsHelper::add_view_urls($view, 'update', $attachment->parent_id, $attachment->parent_type, $attachment_id, $from);
$view->update = $update_form;
} else {
require_once JPATH_COMPONENT_SITE . '/views/upload/view.html.php';
$view = new AttachmentsViewUpload();
AttachmentsHelper::add_view_urls($view, 'upload', $attachment->parent_id, $attachment->parent_type, null, $from);
}
// Suppress the display filename if we are changing from file to url
$display_name = $attachment->display_name;
if ($update && ($update == 'file' || $update != $attachment->uri_type)) {
$attachment->display_name = '';
}
// Set up the view
$view->attachment = $attachment;
$view->new_parent = $parent->new;
$view->parent = $parent;
$view->params = $params;
$view->from = $from;
$view->Itemid = JRequest::getInt('Itemid', 1);
$view->error = $result->error;
$view->error_msg = $result->error_msg;
// Display the view
$view->display();
exit;
}
// Clear out the display_name if the URL has changed
$old_url = JRequest::getString('old_url');
if ($attachment->display_name && $attachment->url != $old_url) {
$old_display_name = JRequest::getString('old_display_name');
if ($old_display_name == $attachment->display_name) {
$attachment->display_name = '';
}
}
// Get the maximum allowed filename length (for the filename display)
$max_filename_length = $params->get('max_filename_length', 0);
if (is_numeric($max_filename_length)) {
$max_filename_length = (int) $max_filename_length;
} else {
$max_filename_length = 0;
}
// Create a display filename, if needed (for long URLs)
if ($max_filename_length > 0 && strlen($attachment->display_name) == 0) {
if ($attachment->filename) {
$attachment->display_name = AttachmentsHelper::truncate_filename($attachment->filename, $max_filename_length);
} else {
$attachment->display_name = AttachmentsHelper::truncate_url($attachment->url, $max_filename_length);
}
}
// Assume relative URLs are valid
if ($relative_url) {
$attachment->url_valid = true;
}
// If there is no filename, do something about it
if (!$attachment->filename and !$attachment->display_name) {
$attachment->display_name = $attachment->url;
}
// If the user is not authorised to change the state (eg, publish/unpublish),
// ignore the form data and make sure the publish state is set correctly.
if (!$may_publish) {
$save_type = JString::strtolower(JRequest::getWord('save_type', 'update'));
if ($save_type == 'upload') {
// Use the default publish state
jimport('joomla.application.component.helper');
$params = JComponentHelper::getParams('com_attachments');
$attachment->state = $params->get('publish_default', false);
} else {
// Restore the old state
$db = JFactory::getDBO();
$query = $db->getQuery(true);
$query->select('state')->from('#__attachments')->where('id = ' . (int) $attachment->id);
$db->setQuery($query, 0, 1);
$old_state = $db->loadResult();
if ($db->getErrorNum()) {
$errmsg = $db->stderr() . ' (ERR 39)';
JError::raiseError(500, $errmsg);
}
$attachment->state = $old_state;
}
}
// Set the create/modify dates
$now = JFactory::getDate();
$attachment->created = $now->toSql();
$attachment->modified = $attachment->created;
$attachment->uri_type = 'url';
// Check the URL length
if (strlen($attachment->url) > AttachmentsDefines::$MAXIMUM_URL_LENGTH) {
$errmsg = "URL is too long! (" . strlen($attachment->url) . ")";
// ??? Convert to translated error message
JError::raiseError(500, $errmsg);
}
// Save the updated attachment
if (!$attachment->store()) {
$errmsg = JText::_('ATTACH_ERROR_SAVING_URL_ATTACHMENT_RECORD') . $attachment->getError() . ' (ERR 40)';
JError::raiseError(500, $errmsg);
}
// Delete any old attachment file
if ($old_filename_sys) {
jimport('joomla.filesystem.file');
if (JFile::exists($old_filename_sys)) {
JFile::delete($old_filename_sys);
AttachmentsHelper::clean_directory($old_filename_sys);
}
}
if ($update) {
$msg = JText::_('ATTACH_ATTACHMENT_UPDATED');
} else {
$msg = JText::_('ATTACH_ATTACHMENT_SAVED');
}
return $msg;
}
