Current Path : C:/Users/Mahmood/Desktop/moodle/cohort/ |
Current File : C:/Users/Mahmood/Desktop/moodle/cohort/locallib.php |
<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * Cohort UI related functions and classes. * * @package core_cohort * @copyright 2012 Petr Skoda {@link http://skodak.org} * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); require_once($CFG->dirroot . '/cohort/lib.php'); require_once($CFG->dirroot . '/user/selector/lib.php'); /** * Cohort assignment candidates */ class cohort_candidate_selector extends user_selector_base { protected $cohortid; public function __construct($name, $options) { $this->cohortid = $options['cohortid']; parent::__construct($name, $options); } /** * Candidate users * @param string $search * @return array */ public function find_users($search) { global $DB; // By default wherecondition retrieves all users except the deleted, not confirmed and guest. list($wherecondition, $params) = $this->search_sql($search, 'u'); $params['cohortid'] = $this->cohortid; $fields = 'SELECT ' . $this->required_fields_sql('u'); $countfields = 'SELECT COUNT(1)'; $sql = " FROM {user} u LEFT JOIN {cohort_members} cm ON (cm.userid = u.id AND cm.cohortid = :cohortid) WHERE cm.id IS NULL AND $wherecondition"; list($sort, $sortparams) = users_order_by_sql('u', $search, $this->accesscontext); $order = ' ORDER BY ' . $sort; if (!$this->is_validating()) { $potentialmemberscount = $DB->count_records_sql($countfields . $sql, $params); if ($potentialmemberscount > $this->maxusersperpage) { return $this->too_many_results($search, $potentialmemberscount); } } $availableusers = $DB->get_records_sql($fields . $sql . $order, array_merge($params, $sortparams)); if (empty($availableusers)) { return array(); } if ($search) { $groupname = get_string('potusersmatching', 'cohort', $search); } else { $groupname = get_string('potusers', 'cohort'); } return array($groupname => $availableusers); } protected function get_options() { $options = parent::get_options(); $options['cohortid'] = $this->cohortid; $options['file'] = 'cohort/locallib.php'; return $options; } } /** * Cohort assignment candidates */ class cohort_existing_selector extends user_selector_base { protected $cohortid; public function __construct($name, $options) { $this->cohortid = $options['cohortid']; parent::__construct($name, $options); } /** * Candidate users * @param string $search * @return array */ public function find_users($search) { global $DB; // By default wherecondition retrieves all users except the deleted, not confirmed and guest. list($wherecondition, $params) = $this->search_sql($search, 'u'); $params['cohortid'] = $this->cohortid; $fields = 'SELECT ' . $this->required_fields_sql('u'); $countfields = 'SELECT COUNT(1)'; $sql = " FROM {user} u JOIN {cohort_members} cm ON (cm.userid = u.id AND cm.cohortid = :cohortid) WHERE $wherecondition"; list($sort, $sortparams) = users_order_by_sql('u', $search, $this->accesscontext); $order = ' ORDER BY ' . $sort; if (!$this->is_validating()) { $potentialmemberscount = $DB->count_records_sql($countfields . $sql, $params); if ($potentialmemberscount > $this->maxusersperpage) { return $this->too_many_results($search, $potentialmemberscount); } } $availableusers = $DB->get_records_sql($fields . $sql . $order, array_merge($params, $sortparams)); if (empty($availableusers)) { return array(); } if ($search) { $groupname = get_string('currentusersmatching', 'cohort', $search); } else { $groupname = get_string('currentusers', 'cohort'); } return array($groupname => $availableusers); } protected function get_options() { $options = parent::get_options(); $options['cohortid'] = $this->cohortid; $options['file'] = 'cohort/locallib.php'; return $options; } }