/**
* Delete a contribution and associated content
*
* @param integer $id Resource ID
* @return boolean False if errors, True on success
*/
private function _deleteContribution($id)
{
// Make sure we have a record to pull
if (!$id) {
$this->setError(Lang::txt('COM_CONTRIBUTE_NO_ID'));
return false;
}
// Load resource info
$row = new Resource($this->database);
$row->load($id);
// Get the resource's children
$helper = new Helper($id, $this->database);
$helper->getChildren();
$children = $helper->children;
// Were there any children?
if ($children) {
// Loop through each child and delete its files and associations
foreach ($children as $child) {
// Skip standalone children
if ($child->standalone == 1) {
continue;
}
// Get path and delete directories
if ($child->path != '') {
$listdir = $child->path;
} else {
// No stored path, derive from created date
$listdir = $this->_buildPathFromDate($child->created, $child->id, '');
}
// Build the path
$path = $this->_buildUploadPath($listdir, '');
$base = PATH_APP . '/' . trim($this->config->get('webpath', '/site/resources'), '/');
$baseY = $base . '/' . Date::of($child->created)->format("Y");
$baseM = $baseY . '/' . Date::of($child->created)->format("m");
// Check if the folder even exists
if (!is_dir($path) or !$path) {
$this->setError(Lang::txt('COM_CONTRIBUTE_DIRECTORY_NOT_FOUND'));
} else {
if ($path == $base || $path == $baseY || $path == $baseM) {
$this->setError(Lang::txt('Invalid directory.'));
} else {
// Attempt to delete the folder
if (!\Filesystem::deleteDirectory($path)) {
$this->setError(Lang::txt('COM_CONTRIBUTE_UNABLE_TO_DELETE_DIRECTORY'));
}
}
}
// Delete associations to the resource
$row->deleteExistence($child->id);
// Delete the resource
$row->delete($child->id);
}
}
// Get path and delete directories
if ($row->path != '') {
$listdir = $row->path;
} else {
// No stored path, derive from created date
$listdir = $this->_buildPathFromDate($row->created, $id, '');
}
// Build the path
$path = $this->_buildUploadPath($listdir, '');
// Check if the folder even exists
if (!is_dir($path) or !$path) {
$this->setError(Lang::txt('COM_CONTRIBUTE_DIRECTORY_NOT_FOUND'));
} else {
// Attempt to delete the folder
if (!\Filesystem::deleteDirectory($path)) {
$this->setError(Lang::txt('COM_CONTRIBUTE_UNABLE_TO_DELETE_DIRECTORY'));
}
}
$row->id = $id;
// Delete associations to the resource
$row->deleteExistence();
// Delete the resource
$row->delete();
// Return success (null)
return true;
}
/**
* Display an RSS feed
*
* @return void
*/
public function feedTask()
{
Document::setType('feed');
// Start a new feed object
$doc = Document::instance();
// Incoming
$id = Request::getInt('id', 0);
$alias = Request::getVar('alias', '');
// Ensure we have an ID or alias to work with
if (!$id && !$alias) {
App::redirect(Route::url('index.php?option=' . $this->_option));
return;
}
// Load the resource
$resource = new Resource($this->database);
if ($alias) {
$resource->load($alias);
$id = $resource->id;
} else {
$resource->load($id);
$alias = $resource->alias;
}
// Make sure we got a result from the database
if (!$resource) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_NOT_FOUND'));
return;
}
// Make sure the resource is published and standalone
if ($resource->published == 0 || $resource->standalone != 1) {
App::abort(403, Lang::txt('COM_RESOURCES_ALERTNOTAUTH'));
return;
}
// Make sure they have access to view this resource
if ($this->checkGroupAccess($resource)) {
App::abort(403, Lang::txt('COM_RESOURCES_ALERTNOTAUTH'));
return;
}
// Incoming
$filters = array();
if ($resource->type == 2) {
$filters['sortby'] = Request::getVar('sortby', 'ordering');
} else {
$filters['sortby'] = Request::getVar('sortby', 'ranking');
}
$filters['limit'] = Request::getInt('limit', 100);
$filters['start'] = Request::getInt('limitstart', 0);
$filters['year'] = Request::getInt('year', 0);
$filters['id'] = $resource->id;
$feedtype = Request::getVar('content', 'audio');
// Initiate a resource helper class
$helper = new Helper($resource->id, $this->database);
$rows = $helper->getStandaloneChildren($filters);
$base = rtrim(Request::base(), '/');
$title = $resource->title;
$feedtypes_abr = array(" ", "slides", "audio", "video", "sd_video", "hd_video");
$feedtypes_full = array(" & ", "Slides", "Audio", "Video", "SD full", "HD");
$type = str_replace($feedtypes_abr, $feedtypes_full, $feedtype);
$title = '[' . $type . '] ' . $title;
// Build some basic RSS document information
$dtitle = \Hubzero\Utility\Sanitize::clean(stripslashes($title));
$doc->title = trim(\Hubzero\Utility\String::truncate(html_entity_decode($dtitle), 250));
$doc->description = htmlspecialchars(html_entity_decode(\Hubzero\Utility\Sanitize::clean(stripslashes($resource->introtext))), ENT_COMPAT, 'UTF-8');
$doc->copyright = \Lang::txt('COM_RESOURCES_RSS_COPYRIGHT', date("Y"), Config::get('sitename'));
$doc->category = Lang::txt('COM_RESOURCES_RSS_CATEGORY');
$doc->link = Route::url('index.php?option=' . $this->_option . '&id=' . $resource->id);
$rt = new Tags($resource->id);
$rtags = $rt->tags();
$tagarray = array();
$categories = array();
$subcategories = array();
if ($rtags) {
foreach ($rtags as $tag) {
if (substr($tag->get('tag'), 0, 6) == 'itunes') {
$tbits = explode(':', $tag->get('raw_tag'));
if (count($tbits) > 2) {
$subcategories[] = end($tbits);
} else {
$categories[] = str_replace('itunes:', '', $tag->get('raw_tag'));
}
} elseif ($tag->get('admin') == 0) {
$tagarray[] = $tag->get('raw_tag');
}
}
}
$tags = implode(', ', $tagarray);
$tags = trim(\Hubzero\Utility\String::truncate($tags, 250));
$tags = rtrim($tags, ',');
$helper->getUnlinkedContributors();
$cons = $helper->ul_contributors;
$cons = explode(';', $cons);
$author = '';
foreach ($cons as $con) {
if ($con) {
$author = trim($con);
break;
}
}
$doc->itunes_summary = html_entity_decode(\Hubzero\Utility\Sanitize::clean(stripslashes($resource->introtext)));
if (count($categories) > 0) {
$doc->itunes_category = $categories[0];
if (count($subcategories) > 0) {
$doc->itunes_subcategories = $subcategories;
}
}
$doc->itunes_explicit = 'no';
$doc->itunes_keywords = $tags;
$doc->itunes_author = $author;
$itunes_image_name = 'itunes_' . str_replace(' ', '_', strtolower($feedtype));
$dimg = $this->_checkForImage($itunes_image_name, $this->config->get('uploadpath'), $resource->created, $resource->id);
if ($dimg) {
$dimage = new \Hubzero\Document\Type\Feed\Image();
$dimage->url = $dimg;
$dimage->title = trim(\Hubzero\Utility\String::truncate(html_entity_decode($dtitle . ' ' . Lang::txt('COM_RESOURCES_RSS_ARTWORK')), 250));
$dimage->link = $base . $doc->link;
$doc->itunes_image = $dimage;
}
$owner = new \Hubzero\Document\Type\Feed\ItunesOwner();
$owner->email = Config::get('mailfrom');
$owner->name = Config::get('sitename');
$doc->itunes_owner = $owner;
// Start outputing results if any found
if (count($rows) > 0) {
foreach ($rows as $row) {
// Prepare the title
$title = strip_tags($row->title);
$title = html_entity_decode($title);
// URL link to resource
$link = DS . ltrim(Route::url('index.php?option=' . $this->_option . '&id=' . $row->id), DS);
// Strip html from feed item description text
$description = html_entity_decode(\Hubzero\Utility\Sanitize::stripAll(stripslashes($row->introtext)));
$author = '';
@($date = $row->publish_up ? date('r', strtotime($row->publish_up)) : '');
// Instantiate a resource helper
$rhelper = new Helper($row->id, $this->database);
// Get any podcast/vodcast files
$podcast = '';
$type_model = new Type($this->database);
$all_logical_types = $type_model->getTypes(28);
// 28 means 'logical' types.
$queried_logical_types = @explode(' ', $feedtype);
if (is_null($queried_logical_types) || !is_array($queried_logical_types)) {
App::abort(404, Lang::txt('COM_RESOURCES_RESOURCE_FEED_BAD_REQUEST'));
return;
}
$relevant_logical_types_by_id = array();
foreach ($queried_logical_types as $queried) {
$as_mnemonic = preg_replace('/[_-]/', ' ', $queried);
foreach ($all_logical_types as $logical_type) {
if (preg_match_all('/Podcast \\(([^()]+)\\)/', $logical_type->type, $matches) == 1 && strcasecmp($matches[1][0], $as_mnemonic) == 0) {
$relevant_logical_types_by_id[$logical_type->id] = $logical_type;
break;
} elseif ($as_mnemonic == 'slides' && $logical_type->type == 'Presentation Slides') {
$relevant_logical_types_by_id[$logical_type->id] = $logical_type;
break;
} elseif ($as_mnemonic == 'notes' && $logical_type->type == 'Lecture Notes') {
$relevant_logical_types_by_id[$logical_type->id] = $logical_type;
break;
}
}
}
$rhelper->getChildren();
$podcasts = array();
$children = array();
if ($rhelper->children && count($rhelper->children) > 0) {
$grandchildren = $rhelper->children;
foreach ($grandchildren as $grandchild) {
if (isset($relevant_logical_types_by_id[(int) $grandchild->logicaltype])) {
if (stripslashes($grandchild->introtext) != '') {
$gdescription = html_entity_decode(\Hubzero\Utility\Sanitize::clean(stripslashes($grandchild->introtext)));
}
array_push($podcasts, $grandchild->path);
array_push($children, $grandchild);
}
}
}
// Get the contributors of this resource
$rhelper->getContributors();
$author = strip_tags($rhelper->contributors);
$rtt = new Tags($row->id);
$rtags = $rtt->render('string');
if (trim($rtags)) {
$rtags = trim(\Hubzero\Utility\String::truncate($rtags, 250));
$rtags = rtrim($rtags, ',');
}
// Get attributes
//$attribs = new \Hubzero\Config\Registry($row->attribs);
if ($children) {
$attribs = new \Hubzero\Config\Registry($children[0]->attribs);
}
foreach ($podcasts as $podcast) {
// Load individual item creator class
$item = new \Hubzero\Document\Type\Feed\Item();
$item->title = $title;
$item->link = $link;
$item->description = $description;
$item->date = $date;
$item->category = $row->typetitle ? $row->typetitle : '';
$item->author = $author;
$img = $this->_checkForImage('ituness_artwork', $this->config->get('uploadpath'), $row->created, $row->id);
if ($img) {
$image = new \Hubzero\Document\Type\Feed\Image();
$image->url = $img;
$image->title = $title . ' ' . Lang::txt('COM_RESOURCES_RSS_ARTWORK');
$image->link = $base . $link;
$item->itunes_image = $image;
}
$item->itunes_summary = $description;
$item->itunes_explicit = 'no';
$item->itunes_keywords = $rtags;
$item->itunes_author = $author;
if ($attribs->get('duration')) {
$item->itunes_duration = $attribs->get('duration');
}
if ($podcast) {
$podcastp = $podcast;
$podcast = DS . ltrim($this->_fullPath($podcast), DS);
if (substr($podcastp, 0, strlen($this->config->get('uploadpath'))) == $this->config->get('uploadpath')) {
// Do nothing
} else {
$podcastp = trim($this->config->get('uploadpath'), DS) . DS . ltrim($podcastp, DS);
}
$podcastp = PATH_APP . DS . ltrim($podcastp, DS);
if (file_exists($podcastp)) {
$fs = filesize($podcastp);
$enclosure = new \Hubzero\Document\Type\Feed\Enclosure();
$enclosure->url = $podcast;
switch (Html::getFileExtension($podcast)) {
case 'm4v':
$enclosure->type = 'video/x-m4v';
break;
case 'mp4':
$enclosure->type = 'video/mp4';
break;
case 'wmv':
$enclosure->type = 'video/wmv';
break;
case 'mov':
$enclosure->type = 'video/quicktime';
break;
case 'qt':
$enclosure->type = 'video/quicktime';
break;
case 'mpg':
$enclosure->type = 'video/mpeg';
break;
case 'mpeg':
$enclosure->type = 'video/mpeg';
break;
case 'mpe':
$enclosure->type = 'video/mpeg';
break;
case 'mp2':
$enclosure->type = 'video/mpeg';
break;
case 'mpv2':
$enclosure->type = 'video/mpeg';
break;
case 'mp3':
$enclosure->type = 'audio/mpeg';
break;
case 'm4a':
$enclosure->type = 'audio/x-m4a';
break;
case 'aiff':
$enclosure->type = 'audio/x-aiff';
break;
case 'aif':
$enclosure->type = 'audio/x-aiff';
break;
case 'wav':
$enclosure->type = 'audio/x-wav';
break;
case 'ra':
$enclosure->type = 'audio/x-pn-realaudio';
break;
case 'ram':
$enclosure->type = 'audio/x-pn-realaudio';
break;
case 'ppt':
$enclosure->type = 'application/vnd.ms-powerpoint';
break;
case 'pps':
$enclosure->type = 'application/vnd.ms-powerpoint';
break;
case 'pdf':
$enclosure->type = 'application/pdf';
break;
case 'doc':
$enclosure->type = 'application/msword';
break;
case 'txt':
$enclosure->type = 'text/plain';
break;
case 'html':
$enclosure->type = 'text/html';
break;
case 'htm':
$enclosure->type = 'text/html';
break;
}
$enclosure->length = $fs;
$item->guid = $podcast;
$item->enclosure = $enclosure;
}
// Loads item info into rss array
$doc->addItem($item);
}
}
}
}
}
/**
* Display a list of attachments
*
* @param integer $id Resource ID
* @return void
*/
public function displayTask($id = null)
{
// Incoming
if (!$id) {
$id = Request::getInt('id', 0);
}
// Ensure we have an ID to work with
if (!$id) {
throw new Exception(Lang::txt('CONTRIBUTE_NO_ID'), 500);
}
// Initiate a resource helper class
$helper = new Helper($id, $this->database);
$helper->getChildren();
// get config
$this->view->config = $this->config;
$this->view->children = $helper->children;
$this->view->path = '';
$this->view->id = $id;
// Set errors to view
foreach ($this->getErrors() as $error) {
$this->view->setError($error);
}
// Output HTML
$this->view->setLayout('display')->display();
}
