Files
server/usr/share/psa-horde/nag/lib/Search.php
2026-01-07 20:52:11 +01:00

273 lines
7.7 KiB
PHP

<?php
/**
* Copyright 2001-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (BSD). If you did not
* did not receive this file, see http://www.horde.org/licenses/bsdl.php.
*
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/gpl GPL
* @package Nag
*/
/**
* Nag_Search:: Interface for performing task searches.
*
* Copyright 2001-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (BSD). If you did not
* did not receive this file, see http://www.horde.org/licenses/bsdl.php.
*
* @author Michael J Rubinsky <mrubinsk@horde.org>
* @category Horde
* @license http://www.horde.org/licenses/gpl GPL
* @package Nag
*/
class Nag_Search implements Serializable
{
/**
* Search bit masks
*/
const MASK_NAME = 1;
const MASK_DESC = 2;
const MASK_TAGS = 4;
const MASK_ALL = 7;
/**
* Search criteria
*
* @var array
*/
protected $_search;
/**
* The search mask
*
* @var integer
*/
protected $_mask;
/**
* The completed/view value.
*
* @var integer
*/
protected $_completed;
/**
* The tasks lists to search.
*
* @var array
*/
protected $_tasklists;
/**
* Duedate criteria
*
* @var array
*/
protected $_due;
/**
* Tag search criteria
*
* @var array
*/
protected $_tags;
/**
* Constructor
*
* @param string $search The search string.
* @param integer $mask A bitmask to indicate the fields to search.
* @param array $options Additional options:
* - completed: (integer) Which tasks to include. A NAG::VIEW_* constant.
* DEFAULT: Nag::VIEW_INCOMPLETE
*
* - due: (array) An array describing the due date portion of the search.
* EXAMPLE: array('5', 'tomorrow') would be all tasks due within 5
* days of tomorrow.
* DEFAULT: No date filters.
*
* - tags: (array) An array of tags to filter on.
* - tasklists: (array) An array of tasklist ids to filter on.
* DEFAULT: The current display_tasklists value is used.
*
* @return Nag_Search
*/
public function __construct($search, $mask, array $options = array())
{
$options = array_merge(
array(
'completed' => 0,
'due' => array(),
'tags' => array(),
'tasklists' => $GLOBALS['display_tasklists']),
$options);
$this->_search = $search;
$this->_mask = $mask;
$this->_completed = $options['completed'];
$this->_due = $options['due'];
$this->_tags = $options['tags'];
$this->_tasklists = $options['tasklists'];
}
/**
* Get a result slice.
*
* @param integer $page The page number
* @param integer $perpage The number of results per page.
*
* @return Nag_Task The result list.
*/
public function getSlice($page = 0, $perpage = 0)
{
return $this->_search($page, $perpage);
}
/**
* Perform the search
*
* @param integer $page The page number
* @param integer $perpage The number of results per page.
*
* @return Nag_Task
*/
protected function _search($page, $perpage)
{
global $injector, $prefs;
if (!empty($this->_due)) {
$parser = Horde_Date_Parser::factory(array('locale' => $GLOBALS['prefs']->getValue('language')));
$date = $parser->parse($this->_due[1]);
$date->mday += $this->_due[0];
$date = $date->timestamp();
} else {
$date = false;
}
// Get the full, sorted task list.
$tasks = Nag::listTasks(array(
'tasklists' => $this->_tasklists,
'completed' => $this->_completed,
'include_history' => false)
);
if (!empty($this->_search)) {
$pattern = '/' . preg_quote($this->_search, '/') . '/i';
}
$search_results = new Nag_Task();
if (!empty($this->_tags)) {
$tagged_tasks = $injector->getInstance('Nag_Tagger')->search(
$this->_tags,
array('list' => $GLOBALS['display_tasklists'])
);
}
$tasks->reset();
while ($task = $tasks->each()) {
// Need to empty the children since they might not be in the results
$task = clone $task;
$task->orphan();
if (!empty($date)) {
if (empty($task->due) || $task->due > $date) {
continue;
}
}
// If we have a search string and it doesn't match name|desc continue
if (!empty($this->_search) &&
!($this->_mask & self::MASK_NAME && preg_match($pattern, $task->name)) &&
!($this->_mask & self::MASK_DESC && preg_match($pattern, $task->desc))) {
continue;
}
// No tags to search? Add it to results. Otherwise, make sure it
// has the requested tags.
if (empty($this->_tags) || in_array($task->uid, $tagged_tasks)) {
$search_results->add($task);
}
}
// Now try to maintain parent/child relationships when they are both
// in the result set.
$search_results->reset();
$search_results_copy = clone $search_results;
$processed_results = new Nag_Task();
while ($result = $search_results_copy->each()) {
if ($result->parent_id &&
($parent_task = $search_results->hasTask($result->parent_id))) {
$parent_task->add($result, true);
$processed_results->add($parent_task, true);
} else {
$result->parent_id = '';
$processed_results->add($result);
}
}
// Now that we have filtered results, load all tags at once.
$processed_results->loadTags();
$processed_results->process();
return $processed_results;
}
/**
* Populate a Horde_Variables instance with the search values for this
* search.
*
* @param Horde_Variables $vars The Horde_Variables object.
*/
public function getVars(Horde_Variables &$vars)
{
$vars->set('search_pattern', $this->_search);
$vars->set('search_tags', implode(',', $this->_tags));
$vars->set('search_completed', $this->_completed);
$vars->set('due_within', $this->_due[0]);
$vars->set('due_of', $this->_due[1]);
$mask = array();
if ($this->_mask & self::MASK_NAME) {
$mask[] = 'search_name';
}
if ($this->_mask & self::MASK_DESC) {
$mask[] = 'search_desc';
}
if (!empty($mask)) {
$vars->set('search_in', $mask);
}
}
/**
* Serialize method
*
* @return array The unserialized data.
*/
public function serialize()
{
return serialize(array(
'search' => $this->_search,
'mask' => $this->_mask,
'completed' => $this->_completed,
'due' => $this->_due,
'tags' => $this->_tags));
}
/**
* Unserialize method
*
* @param string $data The serialized data.
*/
public function unserialize($data)
{
$data = unserialize($data);
$this->_search = $data['search'];
$this->_mask = $data['mask'];
$this->_completed = $data['completed'];
$this->_due = $data['due'];
$this->_tags = $data['tags'];
}
}