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1227 lines
45 KiB
1227 lines
45 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Class definition for mod_attendance_structure
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*
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* @package mod_attendance
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* @copyright 2016 Dan Marsden http://danmarsden.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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require_once(dirname(__FILE__) . '/calendar_helpers.php');
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/**
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* Main class with all Attendance related info.
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*
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* @copyright 2016 Dan Marsden http://danmarsden.com
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class mod_attendance_structure {
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/** Common sessions */
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const SESSION_COMMON = 0;
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/** Group sessions */
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const SESSION_GROUP = 1;
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/** @var stdclass course module record */
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public $cm;
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/** @var stdclass course record */
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public $course;
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/** @var stdclass context object */
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public $context;
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/** @var int attendance instance identifier */
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public $id;
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/** @var string attendance activity name */
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public $name;
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/** @var float number (10, 5) unsigned, the maximum grade for attendance */
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public $grade;
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/** @var int last time attendance was modified - used for global search */
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public $timemodified;
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/** @var string required field for activity modules and searching */
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public $intro;
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/** @var int format of the intro (see above) */
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public $introformat;
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/** @var array current page parameters */
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public $pageparams;
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/** @var string subnets (IP range) for student self selection. */
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public $subnet;
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/** @var string subnets (IP range) for student self selection. */
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public $automark;
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/** @var boolean flag set when automarking is complete. */
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public $automarkcompleted;
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/** @var int Define if session details should be shown in reports */
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public $showsessiondetails;
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/** @var int Position for the session detail columns related to summary columns.*/
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public $sessiondetailspos;
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/** @var int groupmode */
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private $groupmode;
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/** @var array */
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private $statuses;
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/** @var array Cache list of all statuses (not just one used by current session). */
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private $allstatuses;
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/** @var array of sessionid. */
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private $sessioninfo = array();
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/**
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* Initializes the attendance API instance using the data from DB
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*
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* Makes deep copy of all passed records properties. Replaces integer $course attribute
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* with a full database record (course should not be stored in instances table anyway).
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*
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* @param stdClass $dbrecord Attandance instance data from {attendance} table
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* @param stdClass $cm Course module record as returned by {@link get_coursemodule_from_id()}
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* @param stdClass $course Course record from {course} table
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* @param stdClass $context The context of the workshop instance
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* @param stdClass $pageparams
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*/
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public function __construct(stdClass $dbrecord, stdClass $cm, stdClass $course, stdClass $context=null, $pageparams=null) {
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global $DB;
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foreach ($dbrecord as $field => $value) {
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if (property_exists('mod_attendance_structure', $field)) {
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$this->{$field} = $value;
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} else {
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throw new coding_exception('The attendance table has a field with no property in the attendance class');
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}
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}
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$this->cm = $cm;
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$this->course = $course;
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if (is_null($context)) {
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$this->context = context_module::instance($this->cm->id);
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} else {
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$this->context = $context;
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}
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$this->pageparams = $pageparams;
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if (isset($pageparams->showsessiondetails) && $pageparams->showsessiondetails != $this->showsessiondetails) {
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$DB->set_field('attendance', 'showsessiondetails', $pageparams->showsessiondetails, array('id' => $this->id));
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}
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if (isset($pageparams->sessiondetailspos) && $pageparams->sessiondetailspos != $this->sessiondetailspos) {
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$DB->set_field('attendance', 'sessiondetailspos', $pageparams->sessiondetailspos, array('id' => $this->id));
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}
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}
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/**
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* Get group mode.
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*
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* @return int
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*/
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public function get_group_mode() {
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if (is_null($this->groupmode)) {
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$this->groupmode = groups_get_activity_groupmode($this->cm, $this->course);
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}
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return $this->groupmode;
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}
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/**
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* Returns current sessions for this attendance
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*
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* Fetches data from {attendance_sessions}
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*
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* @return array of records or an empty array
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*/
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public function get_current_sessions() {
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global $DB;
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$today = time(); // Because we compare with database, we don't need to use usertime().
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$sql = "SELECT *
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FROM {attendance_sessions}
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WHERE :time BETWEEN sessdate AND (sessdate + duration)
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AND attendanceid = :aid";
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$params = array(
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'time' => $today,
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'aid' => $this->id);
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return $DB->get_records_sql($sql, $params);
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}
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/**
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* Returns today sessions for this attendance
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*
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* Fetches data from {attendance_sessions}
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*
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* @return array of records or an empty array
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*/
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public function get_today_sessions() {
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global $DB;
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$start = usergetmidnight(time());
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$end = $start + DAYSECS;
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$sql = "SELECT *
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FROM {attendance_sessions}
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WHERE sessdate >= :start AND sessdate < :end
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AND attendanceid = :aid";
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$params = array(
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'start' => $start,
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'end' => $end,
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'aid' => $this->id);
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return $DB->get_records_sql($sql, $params);
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}
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/**
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* Returns today sessions suitable for copying attendance log
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*
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* Fetches data from {attendance_sessions}
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* @param stdClass $sess
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* @return array of records or an empty array
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*/
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public function get_today_sessions_for_copy($sess) {
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global $DB;
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$start = usergetmidnight($sess->sessdate);
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$sql = "SELECT *
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FROM {attendance_sessions}
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WHERE sessdate >= :start AND sessdate <= :end AND
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(groupid = 0 OR groupid = :groupid) AND
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lasttaken > 0 AND attendanceid = :aid";
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$params = array(
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'start' => $start,
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'end' => $sess->sessdate,
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'groupid' => $sess->groupid,
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'aid' => $this->id);
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return $DB->get_records_sql($sql, $params);
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}
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/**
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* Returns count of hidden sessions for this attendance
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*
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* Fetches data from {attendance_sessions}
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*
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* @return count of hidden sessions
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*/
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public function get_hidden_sessions_count() {
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global $DB;
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$where = "attendanceid = :aid AND sessdate < :csdate";
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$params = array(
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'aid' => $this->id,
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'csdate' => $this->course->startdate);
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return $DB->count_records_select('attendance_sessions', $where, $params);
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}
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/**
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* Returns the hidden sessions for this attendance
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*
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* Fetches data from {attendance_sessions}
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*
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* @return hidden sessions
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*/
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public function get_hidden_sessions() {
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global $DB;
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$where = "attendanceid = :aid AND sessdate < :csdate";
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$params = array(
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'aid' => $this->id,
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'csdate' => $this->course->startdate);
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return $DB->get_records_select('attendance_sessions', $where, $params);
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}
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/**
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* Get filtered sessions.
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*
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* @return array
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*/
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public function get_filtered_sessions() {
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global $DB;
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if ($this->pageparams->startdate && $this->pageparams->enddate) {
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$where = "attendanceid = :aid AND sessdate >= :csdate AND sessdate >= :sdate AND sessdate < :edate";
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} else if ($this->pageparams->enddate) {
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$where = "attendanceid = :aid AND sessdate >= :csdate AND sessdate < :edate";
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} else {
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$where = "attendanceid = :aid AND sessdate >= :csdate";
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}
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if ($this->pageparams->get_current_sesstype() > mod_attendance_page_with_filter_controls::SESSTYPE_ALL) {
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$where .= " AND (groupid = :cgroup OR groupid = 0)";
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}
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$params = array(
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'aid' => $this->id,
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'csdate' => $this->course->startdate,
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'sdate' => $this->pageparams->startdate,
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'edate' => $this->pageparams->enddate,
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'cgroup' => $this->pageparams->get_current_sesstype());
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$sessions = $DB->get_records_select('attendance_sessions', $where, $params, 'sessdate asc');
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$statussetmaxpoints = attendance_get_statusset_maxpoints($this->get_statuses(true, true));
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foreach ($sessions as $sess) {
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if (empty($sess->description)) {
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$sess->description = get_string('nodescription', 'attendance');
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} else {
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$sess->description = file_rewrite_pluginfile_urls($sess->description,
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'pluginfile.php', $this->context->id, 'mod_attendance', 'session', $sess->id);
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}
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$sess->maxpoints = $statussetmaxpoints[$sess->statusset];
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}
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return $sessions;
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}
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/**
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* Get manage url.
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* @param array $params
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* @return moodle_url of manage.php for attendance instance
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*/
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public function url_manage($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/manage.php', $params);
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}
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/**
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* Get manage temp users url.
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* @param array $params optional
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* @return moodle_url of tempusers.php for attendance instance
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*/
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public function url_managetemp($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/tempusers.php', $params);
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}
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/**
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* Get temp delete url.
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*
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* @param array $params optional
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* @return moodle_url of tempdelete.php for attendance instance
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*/
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public function url_tempdelete($params=array()) {
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$params = array_merge(array('id' => $this->cm->id, 'action' => 'delete'), $params);
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return new moodle_url('/mod/attendance/tempedit.php', $params);
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}
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/**
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* Get temp edit url.
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*
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* @param array $params optional
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* @return moodle_url of tempedit.php for attendance instance
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*/
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public function url_tempedit($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/tempedit.php', $params);
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}
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/**
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* Get temp merge url
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*
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* @param array $params optional
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* @return moodle_url of tempedit.php for attendance instance
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*/
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public function url_tempmerge($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/tempmerge.php', $params);
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}
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/**
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* Get url for sessions.
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* @param array $params
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* @return moodle_url of sessions.php for attendance instance
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*/
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public function url_sessions($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/sessions.php', $params);
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}
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/**
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* Get url for report.
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* @param array $params
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* @return moodle_url of report.php for attendance instance
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*/
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public function url_report($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/report.php', $params);
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}
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/**
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* Get url for report.
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* @param array $params
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* @return moodle_url of report.php for attendance instance
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*/
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public function url_atrisk($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/atrisk.php', $params);
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}
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/**
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* Get url for export.
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*
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* @return moodle_url of export.php for attendance instance
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*/
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public function url_export() {
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$params = array('id' => $this->cm->id);
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return new moodle_url('/mod/attendance/export.php', $params);
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}
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/**
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* Get preferences url
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* @param array $params
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* @return moodle_url of attsettings.php for attendance instance
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*/
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public function url_preferences($params=array()) {
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// Add the statusset params.
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if (isset($this->pageparams->statusset) && !isset($params['statusset'])) {
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$params['statusset'] = $this->pageparams->statusset;
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}
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/preferences.php', $params);
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}
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/**
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* Get preferences url
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* @param array $params
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* @return moodle_url of attsettings.php for attendance instance
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*/
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public function url_warnings($params=array()) {
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// Add the statusset params.
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if (isset($this->pageparams->statusset) && !isset($params['statusset'])) {
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$params['statusset'] = $this->pageparams->statusset;
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}
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/warnings.php', $params);
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}
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/**
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* Get take url.
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* @param array $params
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* @return moodle_url of attendances.php for attendance instance
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*/
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public function url_take($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/take.php', $params);
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}
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/**
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* Get view url.
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* @param array $params
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* @return moodle_url
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*/
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public function url_view($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attendance/view.php', $params);
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}
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/**
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* Add sessions.
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*
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* @param array $sessions
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*/
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public function add_sessions($sessions) {
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global $DB;
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foreach ($sessions as $sess) {
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$sess->attendanceid = $this->id;
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$sess->automarkcompleted = 0;
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if (!isset($sess->automark)) {
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$sess->automark = 0;
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}
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$sess->id = $DB->insert_record('attendance_sessions', $sess);
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$description = file_save_draft_area_files($sess->descriptionitemid,
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$this->context->id, 'mod_attendance', 'session', $sess->id,
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array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0),
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$sess->description);
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$DB->set_field('attendance_sessions', 'description', $description, array('id' => $sess->id));
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$sess->caleventid = 0;
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attendance_create_calendar_event($sess);
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$infoarray = array();
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$infoarray[] = construct_session_full_date_time($sess->sessdate, $sess->duration);
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// Trigger a session added event.
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$event = \mod_attendance\event\session_added::create(array(
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'objectid' => $this->id,
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'context' => $this->context,
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'other' => array('info' => implode(',', $infoarray))
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));
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$event->add_record_snapshot('course_modules', $this->cm);
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$sess->description = $description;
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$sess->lasttaken = 0;
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$sess->lasttakenby = 0;
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if (!isset($sess->studentscanmark)) {
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$sess->studentscanmark = 0;
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}
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if (!isset($sess->studentpassword)) {
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$sess->studentpassword = '';
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}
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if (!isset($sess->subnet)) {
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$sess->subnet = '';
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}
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$event->add_record_snapshot('attendance_sessions', $sess);
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$event->trigger();
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}
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}
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/**
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* Update session from form.
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*
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* @param stdClass $formdata
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* @param int $sessionid
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*/
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public function update_session_from_form_data($formdata, $sessionid) {
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global $DB;
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if (!$sess = $DB->get_record('attendance_sessions', array('id' => $sessionid) )) {
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print_error('No such session in this course');
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}
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$sesstarttime = $formdata->sestime['starthour'] * HOURSECS + $formdata->sestime['startminute'] * MINSECS;
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$sesendtime = $formdata->sestime['endhour'] * HOURSECS + $formdata->sestime['endminute'] * MINSECS;
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$sess->sessdate = $formdata->sessiondate + $sesstarttime;
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$sess->duration = $sesendtime - $sesstarttime;
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|
|
$description = file_save_draft_area_files($formdata->sdescription['itemid'],
|
|
$this->context->id, 'mod_attendance', 'session', $sessionid,
|
|
array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0), $formdata->sdescription['text']);
|
|
$sess->description = $description;
|
|
$sess->descriptionformat = $formdata->sdescription['format'];
|
|
|
|
$sess->studentscanmark = 0;
|
|
$sess->studentpassword = '';
|
|
$sess->subnet = '';
|
|
$sess->automark = 0;
|
|
$sess->automarkcompleted = 0;
|
|
|
|
if (!empty(get_config('attendance', 'studentscanmark')) &&
|
|
!empty($formdata->studentscanmark)) {
|
|
$sess->studentscanmark = $formdata->studentscanmark;
|
|
$sess->studentpassword = $formdata->studentpassword;
|
|
if (!empty($formdata->usedefaultsubnet)) {
|
|
$sess->subnet = $this->subnet;
|
|
} else {
|
|
$sess->subnet = $formdata->subnet;
|
|
}
|
|
|
|
if (!empty($formdata->automark)) {
|
|
$sess->automark = $formdata->automark;
|
|
}
|
|
}
|
|
|
|
$sess->timemodified = time();
|
|
$DB->update_record('attendance_sessions', $sess);
|
|
if (empty($sess->caleventid)) {
|
|
// This shouldn't really happen, but just in case to prevent fatal error.
|
|
attendance_create_calendar_event($sess);
|
|
} else {
|
|
attendance_update_calendar_event($sess->caleventid, $sess->duration, $sess->sessdate);
|
|
}
|
|
|
|
$info = construct_session_full_date_time($sess->sessdate, $sess->duration);
|
|
$event = \mod_attendance\event\session_updated::create(array(
|
|
'objectid' => $this->id,
|
|
'context' => $this->context,
|
|
'other' => array('info' => $info, 'sessionid' => $sessionid,
|
|
'action' => mod_attendance_sessions_page_params::ACTION_UPDATE)));
|
|
$event->add_record_snapshot('course_modules', $this->cm);
|
|
$event->add_record_snapshot('attendance_sessions', $sess);
|
|
$event->trigger();
|
|
}
|
|
|
|
/**
|
|
* Used to record attendance submitted by the student.
|
|
*
|
|
* @param stdClass $mformdata
|
|
* @return boolean
|
|
*/
|
|
public function take_from_student($mformdata) {
|
|
global $DB, $USER;
|
|
|
|
$statuses = implode(',', array_keys( (array)$this->get_statuses() ));
|
|
$now = time();
|
|
|
|
$record = new stdClass();
|
|
$record->studentid = $USER->id;
|
|
$record->statusid = $mformdata->status;
|
|
$record->statusset = $statuses;
|
|
$record->remarks = get_string('set_by_student', 'mod_attendance');
|
|
$record->sessionid = $mformdata->sessid;
|
|
$record->timetaken = $now;
|
|
$record->takenby = $USER->id;
|
|
|
|
$dbsesslog = $this->get_session_log($mformdata->sessid);
|
|
if (array_key_exists($record->studentid, $dbsesslog)) {
|
|
// Already recorded do not save.
|
|
return false;
|
|
}
|
|
|
|
$logid = $DB->insert_record('attendance_log', $record, false);
|
|
$record->id = $logid;
|
|
|
|
// Update the session to show that a register has been taken, or staff may overwrite records.
|
|
$session = $this->get_session_info($mformdata->sessid);
|
|
$session->lasttaken = $now;
|
|
$session->lasttakenby = $USER->id;
|
|
$DB->update_record('attendance_sessions', $session);
|
|
|
|
// Update the users grade.
|
|
$this->update_users_grade(array($USER->id));
|
|
|
|
/* create url for link in log screen
|
|
* need to set grouptype to 0 to allow take attendance page to be called
|
|
* from report/log page */
|
|
|
|
$params = array(
|
|
'sessionid' => $this->pageparams->sessionid,
|
|
'grouptype' => 0);
|
|
|
|
// Log the change.
|
|
$event = \mod_attendance\event\attendance_taken_by_student::create(array(
|
|
'objectid' => $this->id,
|
|
'context' => $this->context,
|
|
'other' => $params));
|
|
$event->add_record_snapshot('course_modules', $this->cm);
|
|
$event->add_record_snapshot('attendance_sessions', $session);
|
|
$event->add_record_snapshot('attendance_log', $record);
|
|
$event->trigger();
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Take attendance from form data.
|
|
*
|
|
* @param stdClass $formdata
|
|
*/
|
|
public function take_from_form_data($formdata) {
|
|
global $DB, $USER;
|
|
// TODO: WARNING - $formdata is unclean - comes from direct $_POST - ideally needs a rewrite but we do some cleaning below.
|
|
// This whole function could do with a nice clean up.
|
|
$statuses = implode(',', array_keys( (array)$this->get_statuses() ));
|
|
$now = time();
|
|
$sesslog = array();
|
|
$formdata = (array)$formdata;
|
|
foreach ($formdata as $key => $value) {
|
|
// Look at Remarks field because the user options may not be passed if empty.
|
|
if (substr($key, 0, 7) == 'remarks') {
|
|
$sid = substr($key, 7);
|
|
if (!(is_numeric($sid))) { // Sanity check on $sid.
|
|
print_error('nonnumericid', 'attendance');
|
|
}
|
|
$sesslog[$sid] = new stdClass();
|
|
$sesslog[$sid]->studentid = $sid; // We check is_numeric on this above.
|
|
if (array_key_exists('user'.$sid, $formdata) && is_numeric($formdata['user' . $sid])) {
|
|
$sesslog[$sid]->statusid = $formdata['user' . $sid];
|
|
}
|
|
$sesslog[$sid]->statusset = $statuses;
|
|
$sesslog[$sid]->remarks = $value;
|
|
$sesslog[$sid]->sessionid = $this->pageparams->sessionid;
|
|
$sesslog[$sid]->timetaken = $now;
|
|
$sesslog[$sid]->takenby = $USER->id;
|
|
}
|
|
}
|
|
|
|
$dbsesslog = $this->get_session_log($this->pageparams->sessionid);
|
|
foreach ($sesslog as $log) {
|
|
// Don't save a record if no statusid or remark.
|
|
if (!empty($log->statusid) || !empty($log->remarks)) {
|
|
if (array_key_exists($log->studentid, $dbsesslog)) {
|
|
$log->id = $dbsesslog[$log->studentid]->id;
|
|
$DB->update_record('attendance_log', $log);
|
|
} else {
|
|
$DB->insert_record('attendance_log', $log, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
$session = $this->get_session_info($this->pageparams->sessionid);
|
|
$session->lasttaken = $now;
|
|
$session->lasttakenby = $USER->id;
|
|
$DB->update_record('attendance_sessions', $session);
|
|
|
|
if ($this->grade != 0) {
|
|
$this->update_users_grade(array_keys($sesslog));
|
|
}
|
|
|
|
// Create url for link in log screen.
|
|
$params = array(
|
|
'sessionid' => $this->pageparams->sessionid,
|
|
'grouptype' => $this->pageparams->grouptype);
|
|
$event = \mod_attendance\event\attendance_taken::create(array(
|
|
'objectid' => $this->id,
|
|
'context' => $this->context,
|
|
'other' => $params));
|
|
$event->add_record_snapshot('course_modules', $this->cm);
|
|
$event->add_record_snapshot('attendance_sessions', $session);
|
|
$event->trigger();
|
|
|
|
$group = 0;
|
|
if ($this->pageparams->grouptype != self::SESSION_COMMON) {
|
|
$group = $this->pageparams->grouptype;
|
|
} else {
|
|
if ($this->pageparams->group) {
|
|
$group = $this->pageparams->group;
|
|
}
|
|
}
|
|
|
|
$totalusers = count_enrolled_users(context_module::instance($this->cm->id), 'mod/attendance:canbelisted', $group);
|
|
$usersperpage = $this->pageparams->perpage;
|
|
|
|
if (!empty($this->pageparams->page) && $this->pageparams->page && $totalusers && $usersperpage) {
|
|
$numberofpages = ceil($totalusers / $usersperpage);
|
|
if ($this->pageparams->page < $numberofpages) {
|
|
$params['page'] = $this->pageparams->page + 1;
|
|
redirect($this->url_take($params), get_string('moreattendance', 'attendance'));
|
|
}
|
|
}
|
|
|
|
redirect($this->url_manage(), get_string('attendancesuccess', 'attendance'));
|
|
}
|
|
|
|
/**
|
|
* Get users with enrolment status (Feature request MDL-27591)
|
|
*
|
|
* @param int $groupid
|
|
* @param int $page
|
|
* @return array
|
|
*/
|
|
public function get_users($groupid = 0, $page = 1) {
|
|
global $DB, $CFG;
|
|
|
|
$fields = array('username' , 'idnumber' , 'institution' , 'department');
|
|
// Get user identity fields if required - doesn't return original $fields array.
|
|
$extrafields = get_extra_user_fields($this->context, $fields);
|
|
$fields = array_merge($fields, $extrafields);
|
|
|
|
$userfields = user_picture::fields('u', $fields);
|
|
|
|
if (empty($this->pageparams->sort)) {
|
|
$this->pageparams->sort = ATT_SORT_DEFAULT;
|
|
}
|
|
if ($this->pageparams->sort == ATT_SORT_FIRSTNAME) {
|
|
$orderby = $DB->sql_fullname('u.firstname', 'u.lastname') . ', u.id';
|
|
} else if ($this->pageparams->sort == ATT_SORT_LASTNAME) {
|
|
$orderby = 'u.lastname, u.firstname, u.id';
|
|
} else {
|
|
list($orderby, $sortparams) = users_order_by_sql('u');
|
|
}
|
|
|
|
if ($page) {
|
|
$usersperpage = $this->pageparams->perpage;
|
|
if (!empty($this->cm->groupingid)) {
|
|
$startusers = ($page - 1) * $usersperpage;
|
|
if ($groupid == 0) {
|
|
$groups = array_keys(groups_get_all_groups($this->cm->course, 0, $this->cm->groupingid, 'g.id'));
|
|
} else {
|
|
$groups = $groupid;
|
|
}
|
|
$users = get_users_by_capability($this->context, 'mod/attendance:canbelisted',
|
|
$userfields.',u.id, u.firstname, u.lastname, u.email',
|
|
$orderby, $startusers, $usersperpage, $groups,
|
|
'', false, true);
|
|
} else {
|
|
$startusers = ($page - 1) * $usersperpage;
|
|
$users = get_enrolled_users($this->context, 'mod/attendance:canbelisted', $groupid, $userfields,
|
|
$orderby, $startusers, $usersperpage);
|
|
}
|
|
} else {
|
|
if (!empty($this->cm->groupingid)) {
|
|
if ($groupid == 0) {
|
|
$groups = array_keys(groups_get_all_groups($this->cm->course, 0, $this->cm->groupingid, 'g.id'));
|
|
} else {
|
|
$groups = $groupid;
|
|
}
|
|
$users = get_users_by_capability($this->context, 'mod/attendance:canbelisted',
|
|
$userfields.',u.id, u.firstname, u.lastname, u.email',
|
|
$orderby, '', '', $groups,
|
|
'', false, true);
|
|
} else {
|
|
$users = get_enrolled_users($this->context, 'mod/attendance:canbelisted', $groupid, $userfields, $orderby);
|
|
}
|
|
}
|
|
|
|
// Add a flag to each user indicating whether their enrolment is active.
|
|
if (!empty($users)) {
|
|
list($sql, $params) = $DB->get_in_or_equal(array_keys($users), SQL_PARAMS_NAMED, 'usid0');
|
|
|
|
// See CONTRIB-4868.
|
|
$mintime = 'MIN(CASE WHEN (ue.timestart > :zerotime) THEN ue.timestart ELSE ue.timecreated END)';
|
|
$maxtime = 'CASE WHEN MIN(ue.timeend) = 0 THEN 0 ELSE MAX(ue.timeend) END';
|
|
|
|
// See CONTRIB-3549.
|
|
$sql = "SELECT ue.userid, MIN(ue.status) as status,
|
|
$mintime AS mintime,
|
|
$maxtime AS maxtime
|
|
FROM {user_enrolments} ue
|
|
JOIN {enrol} e ON e.id = ue.enrolid
|
|
WHERE ue.userid $sql
|
|
AND e.status = :estatus
|
|
AND e.courseid = :courseid
|
|
GROUP BY ue.userid";
|
|
$params += array('zerotime' => 0, 'estatus' => ENROL_INSTANCE_ENABLED, 'courseid' => $this->course->id);
|
|
$enrolments = $DB->get_records_sql($sql, $params);
|
|
|
|
foreach ($users as $user) {
|
|
$users[$user->id]->enrolmentstatus = $enrolments[$user->id]->status;
|
|
$users[$user->id]->enrolmentstart = $enrolments[$user->id]->mintime;
|
|
$users[$user->id]->enrolmentend = $enrolments[$user->id]->maxtime;
|
|
$users[$user->id]->type = 'standard'; // Mark as a standard (not a temporary) user.
|
|
}
|
|
}
|
|
|
|
// Add the 'temporary' users to this list.
|
|
$tempusers = $DB->get_records('attendance_tempusers', array('courseid' => $this->course->id));
|
|
foreach ($tempusers as $tempuser) {
|
|
$users[$tempuser->studentid] = self::tempuser_to_user($tempuser);
|
|
}
|
|
|
|
return $users;
|
|
}
|
|
|
|
/**
|
|
* Convert a tempuser record into a user object.
|
|
*
|
|
* @param stdClass $tempuser
|
|
* @return object
|
|
*/
|
|
protected static function tempuser_to_user($tempuser) {
|
|
global $CFG;
|
|
|
|
$ret = (object)array(
|
|
'id' => $tempuser->studentid,
|
|
'firstname' => $tempuser->fullname,
|
|
'email' => $tempuser->email,
|
|
'username' => '',
|
|
'enrolmentstatus' => 0,
|
|
'enrolmentstart' => 0,
|
|
'enrolmentend' => 0,
|
|
'picture' => 0,
|
|
'type' => 'temporary',
|
|
);
|
|
$allfields = get_all_user_name_fields();
|
|
if (!empty($CFG->showuseridentity)) {
|
|
$allfields = array_merge($allfields, explode(',', $CFG->showuseridentity));
|
|
}
|
|
|
|
foreach ($allfields as $namefield) {
|
|
if (!isset($ret->$namefield)) {
|
|
$ret->$namefield = '';
|
|
}
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Get user and include extra info.
|
|
*
|
|
* @param int $userid
|
|
* @return mixed|object
|
|
*/
|
|
public function get_user($userid) {
|
|
global $DB;
|
|
|
|
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
|
|
|
|
// Look for 'temporary' users and return their details from the attendance_tempusers table.
|
|
if ($user->idnumber == 'tempghost') {
|
|
$tempuser = $DB->get_record('attendance_tempusers', array('studentid' => $userid), '*', MUST_EXIST);
|
|
return self::tempuser_to_user($tempuser);
|
|
}
|
|
|
|
$user->type = 'standard';
|
|
|
|
// See CONTRIB-4868.
|
|
$mintime = 'MIN(CASE WHEN (ue.timestart > :zerotime) THEN ue.timestart ELSE ue.timecreated END)';
|
|
$maxtime = 'CASE WHEN MIN(ue.timeend) = 0 THEN 0 ELSE MAX(ue.timeend) END';
|
|
|
|
$sql = "SELECT ue.userid, ue.status,
|
|
$mintime AS mintime,
|
|
$maxtime AS maxtime
|
|
FROM {user_enrolments} ue
|
|
JOIN {enrol} e ON e.id = ue.enrolid
|
|
WHERE ue.userid = :uid
|
|
AND e.status = :estatus
|
|
AND e.courseid = :courseid
|
|
GROUP BY ue.userid, ue.status";
|
|
$params = array('zerotime' => 0, 'uid' => $userid, 'estatus' => ENROL_INSTANCE_ENABLED, 'courseid' => $this->course->id);
|
|
$enrolments = $DB->get_record_sql($sql, $params);
|
|
if (!empty($enrolments)) {
|
|
$user->enrolmentstatus = $enrolments->status;
|
|
$user->enrolmentstart = $enrolments->mintime;
|
|
$user->enrolmentend = $enrolments->maxtime;
|
|
} else {
|
|
$user->enrolmentstatus = '';
|
|
$user->enrolmentstart = 0;
|
|
$user->enrolmentend = 0;
|
|
}
|
|
|
|
return $user;
|
|
}
|
|
|
|
/**
|
|
* Get possible statuses.
|
|
*
|
|
* @param bool $onlyvisible
|
|
* @param bool $allsets
|
|
* @return array
|
|
*/
|
|
public function get_statuses($onlyvisible = true, $allsets = false) {
|
|
if (!isset($this->statuses)) {
|
|
// Get the statuses for the current set only.
|
|
$statusset = 0;
|
|
if (isset($this->pageparams->statusset)) {
|
|
$statusset = $this->pageparams->statusset;
|
|
} else if (isset($this->pageparams->sessionid)) {
|
|
$sessioninfo = $this->get_session_info($this->pageparams->sessionid);
|
|
$statusset = $sessioninfo->statusset;
|
|
}
|
|
$this->statuses = attendance_get_statuses($this->id, $onlyvisible, $statusset);
|
|
$this->allstatuses = attendance_get_statuses($this->id, $onlyvisible);
|
|
}
|
|
|
|
// Return all sets, if requested.
|
|
if ($allsets) {
|
|
return $this->allstatuses;
|
|
}
|
|
return $this->statuses;
|
|
}
|
|
|
|
/**
|
|
* Get session info.
|
|
* @param int $sessionid
|
|
* @return mixed
|
|
*/
|
|
public function get_session_info($sessionid) {
|
|
global $DB;
|
|
|
|
if (!array_key_exists($sessionid, $this->sessioninfo)) {
|
|
$this->sessioninfo[$sessionid] = $DB->get_record('attendance_sessions', array('id' => $sessionid));
|
|
}
|
|
if (empty($this->sessioninfo[$sessionid]->description)) {
|
|
$this->sessioninfo[$sessionid]->description = get_string('nodescription', 'attendance');
|
|
} else {
|
|
$this->sessioninfo[$sessionid]->description = file_rewrite_pluginfile_urls($this->sessioninfo[$sessionid]->description,
|
|
'pluginfile.php', $this->context->id, 'mod_attendance', 'session', $this->sessioninfo[$sessionid]->id);
|
|
}
|
|
return $this->sessioninfo[$sessionid];
|
|
}
|
|
|
|
/**
|
|
* Get sessions info
|
|
*
|
|
* @param array $sessionids
|
|
* @return array
|
|
*/
|
|
public function get_sessions_info($sessionids) {
|
|
global $DB;
|
|
|
|
list($sql, $params) = $DB->get_in_or_equal($sessionids);
|
|
$sessions = $DB->get_records_select('attendance_sessions', "id $sql", $params, 'sessdate asc');
|
|
|
|
foreach ($sessions as $sess) {
|
|
if (empty($sess->description)) {
|
|
$sess->description = get_string('nodescription', 'attendance');
|
|
} else {
|
|
$sess->description = file_rewrite_pluginfile_urls($sess->description,
|
|
'pluginfile.php', $this->context->id, 'mod_attendance', 'session', $sess->id);
|
|
}
|
|
}
|
|
|
|
return $sessions;
|
|
}
|
|
|
|
/**
|
|
* Get log.
|
|
*
|
|
* @param int $sessionid
|
|
* @return array
|
|
*/
|
|
public function get_session_log($sessionid) {
|
|
global $DB;
|
|
|
|
return $DB->get_records('attendance_log', array('sessionid' => $sessionid), '', 'studentid,statusid,remarks,id');
|
|
}
|
|
|
|
/**
|
|
* Update user grade.
|
|
* @param array $userids
|
|
*/
|
|
public function update_users_grade($userids) {
|
|
attendance_update_users_grade($this, $userids);
|
|
}
|
|
|
|
/**
|
|
* Get filtered log.
|
|
* @param int $userid
|
|
* @return array
|
|
*/
|
|
public function get_user_filtered_sessions_log($userid) {
|
|
global $DB;
|
|
|
|
if ($this->pageparams->startdate && $this->pageparams->enddate) {
|
|
$where = "ats.attendanceid = :aid AND ats.sessdate >= :csdate AND
|
|
ats.sessdate >= :sdate AND ats.sessdate < :edate";
|
|
} else {
|
|
$where = "ats.attendanceid = :aid AND ats.sessdate >= :csdate";
|
|
}
|
|
if ($this->get_group_mode()) {
|
|
$sql = "SELECT ats.id, ats.sessdate, ats.groupid, al.statusid, al.remarks
|
|
FROM {attendance_sessions} ats
|
|
JOIN {attendance_log} al ON ats.id = al.sessionid AND al.studentid = :uid
|
|
LEFT JOIN {groups_members} gm ON gm.userid = al.studentid AND gm.groupid = ats.groupid
|
|
WHERE $where AND (ats.groupid = 0 or gm.id is NOT NULL)
|
|
ORDER BY ats.sessdate ASC";
|
|
|
|
$params = array(
|
|
'uid' => $userid,
|
|
'aid' => $this->id,
|
|
'csdate' => $this->course->startdate,
|
|
'sdate' => $this->pageparams->startdate,
|
|
'edate' => $this->pageparams->enddate);
|
|
|
|
} else {
|
|
$sql = "SELECT ats.id, ats.sessdate, ats.groupid, al.statusid, al.remarks
|
|
FROM {attendance_sessions} ats
|
|
JOIN {attendance_log} al
|
|
ON ats.id = al.sessionid AND al.studentid = :uid
|
|
WHERE $where
|
|
ORDER BY ats.sessdate ASC";
|
|
|
|
$params = array(
|
|
'uid' => $userid,
|
|
'aid' => $this->id,
|
|
'csdate' => $this->course->startdate,
|
|
'sdate' => $this->pageparams->startdate,
|
|
'edate' => $this->pageparams->enddate);
|
|
}
|
|
$sessions = $DB->get_records_sql($sql, $params);
|
|
|
|
return $sessions;
|
|
}
|
|
|
|
/**
|
|
* Get filtered log extended.
|
|
* @param int $userid
|
|
* @return array
|
|
*/
|
|
public function get_user_filtered_sessions_log_extended($userid) {
|
|
global $DB;
|
|
// All taked sessions (including previous groups).
|
|
|
|
if ($this->pageparams->startdate && $this->pageparams->enddate) {
|
|
$where = "ats.attendanceid = :aid AND ats.sessdate >= :csdate AND
|
|
ats.sessdate >= :sdate AND ats.sessdate < :edate";
|
|
} else {
|
|
$where = "ats.attendanceid = :aid AND ats.sessdate >= :csdate";
|
|
}
|
|
|
|
// We need to add this concatination so that moodle will use it as the array index that is a string.
|
|
// If the array's index is a number it will not merge entries.
|
|
// It would be better as a UNION query but unfortunatly MS SQL does not seem to support doing a
|
|
// DISTINCT on a the description field.
|
|
$id = $DB->sql_concat(':value', 'ats.id');
|
|
if ($this->get_group_mode()) {
|
|
$sql = "SELECT $id, ats.id, ats.groupid, ats.sessdate, ats.duration, ats.description,
|
|
al.statusid, al.remarks, ats.studentscanmark
|
|
FROM {attendance_sessions} ats
|
|
RIGHT JOIN {attendance_log} al
|
|
ON ats.id = al.sessionid AND al.studentid = :uid
|
|
LEFT JOIN {groups_members} gm ON gm.userid = al.studentid AND gm.groupid = ats.groupid
|
|
WHERE $where AND (ats.groupid = 0 or gm.id is NOT NULL)
|
|
ORDER BY ats.sessdate ASC";
|
|
} else {
|
|
$sql = "SELECT $id, ats.id, ats.groupid, ats.sessdate, ats.duration, ats.description, ats.statusset,
|
|
al.statusid, al.remarks, ats.studentscanmark
|
|
FROM {attendance_sessions} ats
|
|
RIGHT JOIN {attendance_log} al
|
|
ON ats.id = al.sessionid AND al.studentid = :uid
|
|
WHERE $where
|
|
ORDER BY ats.sessdate ASC";
|
|
}
|
|
|
|
$params = array(
|
|
'uid' => $userid,
|
|
'aid' => $this->id,
|
|
'csdate' => $this->course->startdate,
|
|
'sdate' => $this->pageparams->startdate,
|
|
'edate' => $this->pageparams->enddate,
|
|
'value' => 'c');
|
|
$sessions = $DB->get_records_sql($sql, $params);
|
|
|
|
// All sessions for current groups.
|
|
|
|
$groups = array_keys(groups_get_all_groups($this->course->id, $userid));
|
|
$groups[] = 0;
|
|
list($gsql, $gparams) = $DB->get_in_or_equal($groups, SQL_PARAMS_NAMED, 'gid0');
|
|
|
|
if ($this->pageparams->startdate && $this->pageparams->enddate) {
|
|
$where = "ats.attendanceid = :aid AND ats.sessdate >= :csdate AND
|
|
ats.sessdate >= :sdate AND ats.sessdate < :edate AND ats.groupid $gsql";
|
|
} else {
|
|
$where = "ats.attendanceid = :aid AND ats.sessdate >= :csdate AND ats.groupid $gsql";
|
|
}
|
|
|
|
$sql = "SELECT $id, ats.id, ats.groupid, ats.sessdate, ats.duration, ats.description, ats.statusset,
|
|
al.statusid, al.remarks, ats.studentscanmark
|
|
FROM {attendance_sessions} ats
|
|
LEFT JOIN {attendance_log} al
|
|
ON ats.id = al.sessionid AND al.studentid = :uid
|
|
WHERE $where
|
|
ORDER BY ats.sessdate ASC";
|
|
|
|
$params = array_merge($params, $gparams);
|
|
$sessions = array_merge($sessions, $DB->get_records_sql($sql, $params));
|
|
|
|
foreach ($sessions as $sess) {
|
|
if (empty($sess->description)) {
|
|
$sess->description = get_string('nodescription', 'attendance');
|
|
} else {
|
|
$sess->description = file_rewrite_pluginfile_urls($sess->description,
|
|
'pluginfile.php', $this->context->id, 'mod_attendance', 'session', $sess->id);
|
|
}
|
|
}
|
|
|
|
return $sessions;
|
|
}
|
|
|
|
/**
|
|
* Delete sessions.
|
|
* @param array $sessionsids
|
|
*/
|
|
public function delete_sessions($sessionsids) {
|
|
global $DB;
|
|
if (attendance_existing_calendar_events_ids($sessionsids)) {
|
|
attendance_delete_calendar_events($sessionsids);
|
|
}
|
|
|
|
list($sql, $params) = $DB->get_in_or_equal($sessionsids);
|
|
$DB->delete_records_select('attendance_log', "sessionid $sql", $params);
|
|
$DB->delete_records_list('attendance_sessions', 'id', $sessionsids);
|
|
$event = \mod_attendance\event\session_deleted::create(array(
|
|
'objectid' => $this->id,
|
|
'context' => $this->context,
|
|
'other' => array('info' => implode(', ', $sessionsids))));
|
|
$event->add_record_snapshot('course_modules', $this->cm);
|
|
$event->trigger();
|
|
}
|
|
|
|
/**
|
|
* Update duration.
|
|
*
|
|
* @param array $sessionsids
|
|
* @param int $duration
|
|
*/
|
|
public function update_sessions_duration($sessionsids, $duration) {
|
|
global $DB;
|
|
|
|
$now = time();
|
|
$sessions = $DB->get_recordset_list('attendance_sessions', 'id', $sessionsids);
|
|
foreach ($sessions as $sess) {
|
|
$sess->duration = $duration;
|
|
$sess->timemodified = $now;
|
|
$DB->update_record('attendance_sessions', $sess);
|
|
if ($sess->caleventid) {
|
|
attendance_update_calendar_event($sess->caleventid, $duration, $sess->sessdate);
|
|
}
|
|
$event = \mod_attendance\event\session_duration_updated::create(array(
|
|
'objectid' => $this->id,
|
|
'context' => $this->context,
|
|
'other' => array('info' => implode(', ', $sessionsids))));
|
|
$event->add_record_snapshot('course_modules', $this->cm);
|
|
$event->add_record_snapshot('attendance_sessions', $sess);
|
|
$event->trigger();
|
|
}
|
|
$sessions->close();
|
|
}
|
|
|
|
/**
|
|
* Check if the email address is already in use by either another temporary user,
|
|
* or a real user.
|
|
*
|
|
* @param string $email the address to check for
|
|
* @param int $tempuserid optional the ID of the temporary user (to avoid matching against themself)
|
|
* @return null|string the error message to display, null if there is no error
|
|
*/
|
|
public static function check_existing_email($email, $tempuserid = 0) {
|
|
global $DB;
|
|
|
|
if (empty($email)) {
|
|
return null; // Fine to create temporary users without an email address.
|
|
}
|
|
if ($tempuser = $DB->get_record('attendance_tempusers', array('email' => $email), 'id')) {
|
|
if ($tempuser->id != $tempuserid) {
|
|
return get_string('tempexists', 'attendance');
|
|
}
|
|
}
|
|
if ($DB->record_exists('user', array('email' => $email))) {
|
|
return get_string('userexists', 'attendance');
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Gets the status to use when auto-marking.
|
|
*
|
|
* @param int $time the time the user first accessed the course.
|
|
* @param int $sessionid the related sessionid to check.
|
|
* @return int the statusid to assign to this user.
|
|
*/
|
|
public function get_automark_status($time, $sessionid) {
|
|
$statuses = $this->get_statuses();
|
|
// Statuses are returned highest grade first, find the first high grade we can assign to this user.
|
|
|
|
// Get status to use when unmarked.
|
|
$session = $this->sessioninfo[$sessionid];
|
|
$duration = $session->duration;
|
|
if (empty($duration)) {
|
|
$duration = get_config('attendance', 'studentscanmarksessiontimeend') * 60;
|
|
}
|
|
if ($time > $session->sessdate + $duration) {
|
|
// This session closed after the users access - use the unmarked state.
|
|
foreach ($statuses as $status) {
|
|
if (!empty($status->setunmarked)) {
|
|
return $status->id;
|
|
}
|
|
}
|
|
} else {
|
|
foreach ($statuses as $status) {
|
|
if ($status->studentavailability !== '0' &&
|
|
$this->sessioninfo[$sessionid]->sessdate + ($status->studentavailability * 60) > $time) {
|
|
|
|
// Found first status we could set.
|
|
return $status->id;
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|