/** * 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; }