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In both, the itemid represents the submission id. * This container is used to display the list of all submissions in these areas (ie when * these areas are browsed with itemid == null). */ class workshop_file_info_submissions_container extends file_info { protected $course; protected $cm; protected $areas; protected $filearea; public function __construct($browser, $course, $cm, $context, $areas, $filearea) { parent::__construct($browser, $context); $this->course = $course; $this->cm = $cm; $this->areas = $areas; $this->filearea = $filearea; } /** * Returns list of standard virtual file/directory identification. * The difference from stored_file parameters is that null values * are allowed in all fields * @return array with keys contextid, filearea, itemid, filepath and filename */ public function get_params() { return array('contextid'=>$this->context->id, 'component'=>'mod_workshop', 'filearea' =>$this->filearea, 'itemid' =>null, 'filepath' =>null, 'filename' =>null); } /** * Returns localised visible name. * @return string */ public function get_visible_name() { return $this->areas[$this->filearea]; } /** * Can I add new files or directories? * @return bool */ public function is_writable() { return false; } /** * Is directory? * @return bool */ public function is_directory() { return true; } /** * Returns list of children nodes * * @return array of file_info instances */ public function get_children() { return $this->get_filtered_children('*', false, true); } /** * Helper function to return files matching extensions or their count * * @param string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg') * @param bool|int $countonly if false returns the children, if an int returns just the * count of children but stops counting when $countonly number of children is reached * @param bool $returnemptyfolders if true returns items that don't have matching files inside * @return array|int array of file_info instances or the count */ private function get_filtered_children($extensions = '*', $countonly = false, $returnemptyfolders = false) { global $DB; $params = array('contextid' => $this->context->id, 'component' => 'mod_workshop', 'filearea' => $this->filearea); $sql = 'SELECT DISTINCT itemid FROM {files} WHERE contextid = :contextid AND component = :component AND filearea = :filearea'; if (!$returnemptyfolders) { $sql .= ' AND filename <> :emptyfilename'; $params['emptyfilename'] = '.'; } list($sql2, $params2) = $this->build_search_files_sql($extensions); $sql .= ' '.$sql2; $params = array_merge($params, $params2); if ($countonly !== false) { $sql .= ' ORDER BY itemid DESC'; } $rs = $DB->get_recordset_sql($sql, $params); $children = array(); foreach ($rs as $record) { if (($child = $this->browser->get_file_info($this->context, 'mod_workshop', $this->filearea, $record->itemid)) && ($returnemptyfolders || $child->count_non_empty_children($extensions))) { $children[] = $child; if ($countonly !== false && count($children) >= $countonly) { break; } } } $rs->close(); if ($countonly !== false) { return count($children); } return $children; } /** * Returns list of children which are either files matching the specified extensions * or folders that contain at least one such file. * * @param string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg') * @return array of file_info instances */ public function get_non_empty_children($extensions = '*') { return $this->get_filtered_children($extensions, false); } /** * Returns the number of children which are either files matching the specified extensions * or folders containing at least one such file. * * NOTE: We don't need the exact number of non empty children if it is >=2 * In this function 1 is never returned to avoid skipping the single subfolder * * @param string|array $extensions, for example '*' or array('.gif','.jpg') * @param int $limit stop counting after at least $limit non-empty children are found * @return int */ public function count_non_empty_children($extensions = '*', $limit = 1) { return $this->get_filtered_children($extensions, $limit); } /** * Returns parent file_info instance * @return file_info or null for root */ public function get_parent() { return $this->browser->get_file_info($this->context); } } /** * Represents virtual root node for all files in overall feedbacks * * Overall feedback uses two fileareas: overallfeedback_content for editor's embeded media * and overallfeedback_attachment for attachments. In both, the itemid represents the assessment id. * This container is used to display the list of all submissions in these areas (ie when * these areas are browsed with itemid == null). */ class workshop_file_info_overallfeedback_container extends file_info { protected $course; protected $cm; protected $areas; protected $filearea; public function __construct($browser, $course, $cm, $context, $areas, $filearea) { parent::__construct($browser, $context); $this->course = $course; $this->cm = $cm; $this->areas = $areas; $this->filearea = $filearea; } /** * Returns list of standard virtual file/directory identification * * The difference from stored_file parameters is that null values * are allowed in all fields. * * @return array with keys contextid, filearea, itemid, filepath and filename */ public function get_params() { return array('contextid' => $this->context->id, 'component' => 'mod_workshop', 'filearea' => $this->filearea, 'itemid' => null, 'filepath' => null, 'filename' => null); } /** * Returns localised visible name * * @return string */ public function get_visible_name() { return $this->areas[$this->filearea]; } /** * Can I add new files or directories? * * @return bool */ public function is_writable() { return false; } /** * Is directory? * * @return bool */ public function is_directory() { return true; } /** * Returns list of children nodes * * @return array of file_info instances */ public function get_children() { return $this->get_filtered_children('*', false, true); } /** * Helper function to return files matching extensions or their count * * @param string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg') * @param bool|int $countonly if false returns the children, if an int returns just the * count of children but stops counting when $countonly number of children is reached * @param bool $returnemptyfolders if true returns items that don't have matching files inside * @return array|int array of file_info instances or the count */ private function get_filtered_children($extensions = '*', $countonly = false, $returnemptyfolders = false) { global $DB; $params = array('contextid' => $this->context->id, 'component' => 'mod_workshop', 'filearea' => $this->filearea); $sql = "SELECT DISTINCT itemid FROM {files} WHERE contextid = :contextid AND component = :component AND filearea = :filearea"; if (!$returnemptyfolders) { $sql .= " AND filename <> :emptyfilename"; $params['emptyfilename'] = '.'; } list($sql2, $params2) = $this->build_search_files_sql($extensions); $sql .= ' '.$sql2; $params = array_merge($params, $params2); if ($countonly !== false) { $sql .= " ORDER BY itemid DESC"; } $rs = $DB->get_recordset_sql($sql, $params); $children = array(); foreach ($rs as $record) { if (($child = $this->browser->get_file_info($this->context, 'mod_workshop', $this->filearea, $record->itemid)) && ($returnemptyfolders || $child->count_non_empty_children($extensions))) { $children[] = $child; if ($countonly !== false && count($children) >= $countonly) { break; } } } $rs->close(); if ($countonly !== false) { return count($children); } return $children; } /** * Returns list of children which are either files matching the specified extensions * or folders that contain at least one such file. * * @param string|array $extensions, either '*' or array of lowercase extensions, i.e. array('.gif','.jpg') * @return array of file_info instances */ public function get_non_empty_children($extensions = '*') { return $this->get_filtered_children($extensions, false); } /** * Returns the number of children which are either files matching the specified extensions * or folders containing at least one such file. * * NOTE: We don't need the exact number of non empty children if it is >=2 * In this function 1 is never returned to avoid skipping the single subfolder * * @param string|array $extensions, for example '*' or array('.gif','.jpg') * @param int $limit stop counting after at least $limit non-empty children are found * @return int */ public function count_non_empty_children($extensions = '*', $limit = 1) { return $this->get_filtered_children($extensions, $limit); } /** * Returns parent file_info instance * @return file_info or null for root */ public function get_parent() { return $this->browser->get_file_info($this->context); } }