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968 lines
34 KiB
968 lines
34 KiB
<?php
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defined('MOODLE_INTERNAL') || die();
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global $CFG;
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require_once($CFG->libdir . '/gradelib.php');
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define('VIEW_DAYS', 1);
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define('VIEW_WEEKS', 2);
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define('VIEW_MONTHS', 3);
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define('VIEW_ALLTAKEN', 4);
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define('VIEW_ALL', 5);
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class attforblock_permissions {
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private $canview;
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private $canviewreports;
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private $cantake;
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private $canchange;
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private $canmanage;
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private $canchangepreferences;
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private $canexport;
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private $canbelisted;
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private $canaccessallgroups;
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private $context;
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public function __construct($context) {
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$this->context = $context;
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}
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public function can_view() {
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if (is_null($this->canview))
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$this->canview = has_capability('mod/attforblock:view', $this->context);
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return $this->canview;
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}
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public function require_view_capability() {
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require_capability('mod/attforblock:view', $this->context);
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}
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public function can_view_reports() {
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if (is_null($this->canviewreports))
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$this->canviewreports = has_capability('mod/attforblock:viewreports', $this->context);
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return $this->canviewreports;
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}
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public function can_take() {
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if (is_null($this->cantake))
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$this->cantake = has_capability('mod/attforblock:takeattendances', $this->context);
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return $this->cantake;
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}
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public function can_change() {
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if (is_null($this->canchange))
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$this->canchange = has_capability('mod/attforblock:changeattendances', $this->context);
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return $this->canchange;
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}
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public function can_manage() {
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if (is_null($this->canmanage))
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$this->canmanage = has_capability('mod/attforblock:manageattendances', $this->context);
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return $this->canmanage;
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}
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public function require_manage_capability() {
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require_capability('mod/attforblock:manageattendances', $this->context);
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}
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public function can_change_preferences() {
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if (is_null($this->canchangepreferences))
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$this->canchangepreferences = has_capability('mod/attforblock:changepreferences', $this->context);
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return $this->canchangepreferences;
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}
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public function can_export() {
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if (is_null($this->canexport))
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$this->canexport = has_capability('mod/attforblock:export', $this->context);
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return $this->canexport;
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}
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public function can_be_listed() {
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if (is_null($this->canbelisted))
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$this->canbelisted = has_capability('mod/attforblock:canbelisted', $this->context);
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return $this->canbelisted;
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}
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public function can_access_all_groups() {
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if (is_null($this->canaccessallgroups))
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$this->canaccessallgroups = has_capability('moodle/site:accessallgroups', $this->context);
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return $this->canaccessallgroups;
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}
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}
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class att_page_with_filter_controls {
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const SELECTOR_NONE = 1;
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const SELECTOR_GROUP = 2;
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const SELECTOR_SESS_TYPE = 3;
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/** @var int current view mode */
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public $view;
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/** @var int $view and $curdate specify displaed date range */
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public $curdate;
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/** @var int start date of displayed date range */
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public $startdate;
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/** @var int end date of displayed date range */
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public $enddate;
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public $selectortype = self::SELECTOR_NONE;
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protected $defaultview = VIEW_WEEKS;
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private $courseid;
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public function init($courseid) {
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$this->courseid = $courseid;
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$this->init_view();
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$this->init_curdate();
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$this->init_start_end_date();
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}
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private function init_view() {
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global $SESSION;
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if (isset($this->view)) {
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$SESSION->attcurrentattview[$this->courseid] = $this->view;
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}
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elseif (isset($SESSION->attcurrentattview[$this->courseid])) {
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$this->view = $SESSION->attcurrentattview[$this->courseid];
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}
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else {
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$this->view = $this->defaultview;
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}
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}
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private function init_curdate() {
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global $SESSION;
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if (isset($this->curdate)) {
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$SESSION->attcurrentattdate[$this->courseid] = $this->curdate;
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}
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elseif (isset($SESSION->attcurrentattdate[$this->courseid])) {
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$this->curdate = $SESSION->attcurrentattdate[$this->courseid];
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}
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else {
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$this->curdate = time();
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}
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}
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private function init_start_end_date() {
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$date = usergetdate($this->curdate);
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$mday = $date['mday'];
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$wday = $date['wday'];
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$mon = $date['mon'];
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$year = $date['year'];
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switch ($this->view) {
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case VIEW_DAYS:
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$this->startdate = make_timestamp($year, $mon, $mday);
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$this->enddate = make_timestamp($year, $mon, $mday + 1);
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break;
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case VIEW_WEEKS:
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$this->startdate = make_timestamp($year, $mon, $mday - $wday + 1);
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$this->enddate = make_timestamp($year, $mon, $mday + 7 - $wday + 1) - 1;
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break;
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case VIEW_MONTHS:
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$this->startdate = make_timestamp($year, $mon);
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$this->enddate = make_timestamp($year, $mon + 1);
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break;
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case VIEW_ALLTAKEN:
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$this->startdate = 1;
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$this->enddate = time();
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break;
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case VIEW_ALL:
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$this->startdate = 0;
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$this->enddate = 0;
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break;
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}
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}
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}
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class att_view_page_params extends att_page_with_filter_controls {
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const MODE_THIS_COURSE = 0;
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const MODE_ALL_COURSES = 1;
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public $student;
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public $mode;
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public function __construct() {
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$this->defaultview = VIEW_MONTHS;
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}
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public function get_significant_params() {
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$params = array();
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if (isset($this->student)) $params['student'] = $this->student;
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if ($this->mode != self::MODE_THIS_COURSE) $params['mode'] = $this->mode;
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return $params;
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}
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}
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class att_manage_page_params extends att_page_with_filter_controls {
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public function __construct() {
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$this->selectortype = self::SELECTOR_SESS_TYPE;
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}
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public function get_significant_params() {
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return array();
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}
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}
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class att_sessions_page_params {
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const ACTION_ADD = 1;
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const ACTION_UPDATE = 2;
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const ACTION_DELETE = 3;
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const ACTION_DELETE_SELECTED = 4;
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const ACTION_CHANGE_DURATION = 5;
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/** @var int view mode of taking attendance page*/
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public $action;
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}
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class att_take_page_params {
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const SORTED_LIST = 1;
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const SORTED_GRID = 2;
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const DEFAULT_VIEW_MODE = self::SORTED_LIST;
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const SORT_LASTNAME = 1;
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const SORT_FIRSTNAME = 2;
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public $sessionid;
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public $grouptype;
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public $group;
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public $sort;
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public $copyfrom;
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/** @var int view mode of taking attendance page*/
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public $viewmode;
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public $gridcols;
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public function init() {
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if (!isset($this->group)) $this->group = 0;
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if (!isset($this->sort)) $this->sort = self::SORT_LASTNAME;
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$this->init_view_mode();
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$this->init_gridcols();
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}
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private function init_view_mode() {
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if (isset($this->viewmode)) {
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set_user_preference("attforblock_take_view_mode", $this->viewmode);
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}
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else {
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$this->viewmode = get_user_preferences("attforblock_take_view_mode", self::DEFAULT_VIEW_MODE);
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}
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}
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private function init_gridcols() {
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if (isset($this->gridcols)) {
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set_user_preference("attforblock_gridcolumns", $this->gridcols);
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}
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else {
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$this->gridcols = get_user_preferences("attforblock_gridcolumns", 5);
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}
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}
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public function get_significant_params() {
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$params = array();
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$params['sessionid'] = $this->sessionid;
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$params['grouptype'] = $this->grouptype;
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if ($this->group) $params['group'] = $this->group;
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if ($this->sort != self::SORT_LASTNAME) $params['sort'] = $this->sort;
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if (isset($this->copyfrom)) $params['copyfrom'] = $this->copyfrom;
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return $params;
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}
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}
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class attforblock {
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const SESSION_COMMON = 0;
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const SESSION_GROUP = 1;
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const SELECTOR_COMMON = 0;
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const SELECTOR_ALL = -1;
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const SELECTOR_NOT_EXISTS = -2;
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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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/** current page parameters */
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public $pageparams;
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/** @var attforblock_permissions permission of current user for attendance instance*/
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public $perm;
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private $groupmode;
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private $sessgroupslist;
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private $currentgroup;
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private $sessioninfo;
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private $statuses;
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private $usertakensesscount;
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private $userstatusesstat;
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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 {attforblock} 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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*/
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public function __construct(stdclass $dbrecord, stdclass $cm, stdclass $course, stdclass $context=NULL, $view_params=NULL) {
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foreach ($dbrecord as $field => $value) {
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if (property_exists('attforblock', $field)) {
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$this->{$field} = $value;
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}
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else {
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throw new coding_exception('The attendance table has field for which there is no property in the attforblock class');
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}
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}
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$this->cm = $cm;
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$this->course = $course;
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if (is_null($context)) {
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$this->context = get_context_instance(CONTEXT_MODULE, $this->cm->id);
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} else {
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$this->context = $context;
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}
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$this->pageparams = $view_params;
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$this->perm = new attforblock_permissions($this->context);
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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, $params);
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}
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/**
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* Returns today sessions suitable for copying attendance log
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*
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* Fetches data from {attendance_sessions}
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*
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* @return array of records or an empty array
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*/
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public function get_today_sessions_for_copy($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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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 {
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$where = "attendanceid = :aid AND sessdate >= :csdate";
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}
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if ($this->get_current_group() > attforblock::SELECTOR_ALL) {
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$where .= " AND groupid=:cgroup";
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}
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$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' => $this->get_current_group());
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$sessions = $DB->get_records_select('attendance_sessions', $where, $params, 'sessdate asc');
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foreach ($sessions as $sess) {
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$sess->description = file_rewrite_pluginfile_urls($sess->description, 'pluginfile.php', $this->context->id, 'mod_attforblock', 'session', $sess->id);
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}
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return $sessions;
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}
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/**
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* @return moodle_url of manage.php for attendance instance
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*/
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public function url_manage() {
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$params = array('id' => $this->cm->id);
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return new moodle_url('/mod/attforblock/manage.php', $params);
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}
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/**
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* @return moodle_url of sessions.php for attendance instance
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*/
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public function url_sessions($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attforblock/sessions.php', $params);
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}
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/**
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* @return moodle_url of report.php for attendance instance
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*/
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public function url_report() {
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$params = array('id' => $this->cm->id);
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return new moodle_url('/mod/attforblock/report.php', $params);
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}
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/**
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* @return moodle_url of export.php for attendance instance
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*/
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public function url_export() {
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$params = array('id' => $this->cm->id);
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return new moodle_url('/mod/attforblock/export.php', $params);
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}
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/**
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* @return moodle_url of attsettings.php for attendance instance
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*/
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public function url_settings() {
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$params = array('id' => $this->cm->id);
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return new moodle_url('/mod/attforblock/attsettings.php', $params);
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}
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/**
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* @return moodle_url of attendances.php for attendance instance
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*/
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public function url_take() {
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$params = array('id' => $this->cm->id);
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return new moodle_url('/mod/attforblock/take.php', $params);
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}
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public function url_view($params=array()) {
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$params = array_merge(array('id' => $this->cm->id), $params);
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return new moodle_url('/mod/attforblock/view.php', $params);
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}
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private function calc_groupmode_sessgroupslist_currentgroup(){
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global $USER, $SESSION;
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$cm = $this->cm;
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$this->get_group_mode();
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if ($this->groupmode == NOGROUPS)
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return;
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|
|
if ($this->groupmode == VISIBLEGROUPS or $this->perm->can_access_all_groups()) {
|
|
$allowedgroups = groups_get_all_groups($cm->course, 0, $cm->groupingid); // any group in grouping (all if groupings not used)
|
|
// detect changes related to groups and fix active group
|
|
if (!empty($SESSION->activegroup[$cm->course][VISIBLEGROUPS][$cm->groupingid])) {
|
|
if (!array_key_exists($SESSION->activegroup[$cm->course][VISIBLEGROUPS][$cm->groupingid], $allowedgroups)) {
|
|
// active group does not exist anymore
|
|
unset($SESSION->activegroup[$cm->course][VISIBLEGROUPS][$cm->groupingid]);
|
|
}
|
|
}
|
|
if (!empty($SESSION->activegroup[$cm->course]['aag'][$cm->groupingid])) {
|
|
if (!array_key_exists($SESSION->activegroup[$cm->course]['aag'][$cm->groupingid], $allowedgroups)) {
|
|
// active group does not exist anymore
|
|
unset($SESSION->activegroup[$cm->course]['aag'][$cm->groupingid]);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
$allowedgroups = groups_get_all_groups($cm->course, $USER->id, $cm->groupingid); // only assigned groups
|
|
// detect changes related to groups and fix active group
|
|
if (isset($SESSION->activegroup[$cm->course][SEPARATEGROUPS][$cm->groupingid])) {
|
|
if ($SESSION->activegroup[$cm->course][SEPARATEGROUPS][$cm->groupingid] == 0) {
|
|
if ($allowedgroups) {
|
|
// somebody must have assigned at least one group, we can select it now - yay!
|
|
unset($SESSION->activegroup[$cm->course][SEPARATEGROUPS][$cm->groupingid]);
|
|
}
|
|
} else {
|
|
if (!array_key_exists($SESSION->activegroup[$cm->course][SEPARATEGROUPS][$cm->groupingid], $allowedgroups)) {
|
|
// active group not allowed or does not exist anymore
|
|
unset($SESSION->activegroup[$cm->course][SEPARATEGROUPS][$cm->groupingid]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$group = optional_param('group', self::SELECTOR_NOT_EXISTS, PARAM_INT);
|
|
if (!array_key_exists('attsessiontype', $SESSION)) {
|
|
$SESSION->attsessiontype = array();
|
|
}
|
|
if ($group > self::SELECTOR_NOT_EXISTS) {
|
|
$SESSION->attsessiontype[$cm->course] = $group;
|
|
} elseif (!array_key_exists($cm->course, $SESSION->attsessiontype)) {
|
|
$SESSION->attsessiontype[$cm->course] = self::SELECTOR_ALL;
|
|
}
|
|
|
|
if ($group == self::SELECTOR_ALL) {
|
|
$this->currentgroup = $group;
|
|
unset($SESSION->activegroup[$cm->course][VISIBLEGROUPS][$cm->groupingid]);
|
|
unset($SESSION->activegroup[$cm->course]['aag'][$cm->groupingid]);
|
|
unset($SESSION->activegroup[$cm->course][SEPARATEGROUPS][$cm->groupingid]);
|
|
} else {
|
|
$this->currentgroup = groups_get_activity_group($cm, true);
|
|
if ($this->currentgroup == 0 and $SESSION->attsessiontype[$cm->course] == self::SELECTOR_ALL) {
|
|
$this->currentgroup = self::SELECTOR_ALL;
|
|
}
|
|
}
|
|
|
|
$this->sessgroupslist = array();
|
|
if ($allowedgroups or $this->groupmode == VISIBLEGROUPS or $this->perm->can_access_all_groups()) {
|
|
$this->sessgroupslist[self::SELECTOR_ALL] = get_string('all', 'attforblock');
|
|
}
|
|
if ($this->groupmode == VISIBLEGROUPS) {
|
|
$this->sessgroupslist[self::SELECTOR_COMMON] = get_string('commonsessions', 'attforblock');
|
|
}
|
|
if ($allowedgroups) {
|
|
foreach ($allowedgroups as $group) {
|
|
$this->sessgroupslist[$group->id] = format_string($group->name);
|
|
}
|
|
}
|
|
}
|
|
|
|
public function get_group_mode() {
|
|
if (is_null($this->groupmode))
|
|
$this->groupmode = groups_get_activity_groupmode($this->cm);
|
|
|
|
return $this->groupmode;
|
|
}
|
|
|
|
public function get_sess_groups_list() {
|
|
if (is_null($this->sessgroupslist))
|
|
$this->calc_groupmode_sessgroupslist_currentgroup();
|
|
|
|
return $this->sessgroupslist;
|
|
}
|
|
|
|
public function get_current_group() {
|
|
if (is_null($this->currentgroup))
|
|
$this->calc_groupmode_sessgroupslist_currentgroup();
|
|
|
|
return $this->currentgroup;
|
|
}
|
|
|
|
public function add_session_from_form_data($formdata) {
|
|
global $DB;
|
|
|
|
$duration = $formdata->durtime['hours']*HOURSECS + $formdata->durtime['minutes']*MINSECS;
|
|
|
|
$rec->courseid = $this->course->id;
|
|
$rec->attendanceid = $this->id;
|
|
$rec->sessdate = $formdata->sessiondate;
|
|
$rec->duration = $duration;
|
|
$rec->description = $formdata->sdescription['text'];
|
|
$rec->descriptionformat = $formdata->sdescription['format'];
|
|
$rec->timemodified = time();
|
|
|
|
if ($formdata->sessiontype == self::SESSION_COMMON) {
|
|
$rec->id = $DB->insert_record('attendance_sessions', $rec);
|
|
$description = file_save_draft_area_files($formdata->sdescription['itemid'],
|
|
$this->context->id, 'mod_attforblock', 'session', $rec->id,
|
|
array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0), $formdata->sdescription['text']);
|
|
$DB->set_field('attendance_sessions', 'description', $description, array('id' => $rec->id));
|
|
} else {
|
|
foreach ($formdata->groups as $groupid) {
|
|
$rec->groupid = $groupid;
|
|
$rec->id = $DB->insert_record('attendance_sessions', $rec);
|
|
$description = file_save_draft_area_files($formdata->sdescription['itemid'],
|
|
$this->context->id, 'mod_attforblock', 'session', $rec->id,
|
|
array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0), $formdata->sdescription['text']);
|
|
$DB->set_field('attendance_sessions', 'description', $description, array('id' => $rec->id));
|
|
}
|
|
}
|
|
// TODO: log
|
|
//add_to_log($course->id, 'attendance', 'one session added', 'mod/attforblock/manage.php?id='.$id, $user->lastname.' '.$user->firstname);
|
|
}
|
|
|
|
public function update_session_from_form_data($formdata, $sessionid) {
|
|
global $DB;
|
|
|
|
if (!$sess = $DB->get_record('attendance_sessions', array('id' => $sessionid) )) {
|
|
print_error('No such session in this course');
|
|
}
|
|
|
|
$sess->sessdate = $formdata->sessiondate;
|
|
$sess->duration = $formdata->durtime['hours']*HOURSECS + $formdata->durtime['minutes']*MINSECS;
|
|
$description = file_save_draft_area_files($formdata->sdescription['itemid'],
|
|
$this->context->id, 'mod_attforblock', 'session', $sessionid,
|
|
array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0), $formdata->sdescription['text']);
|
|
$sess->description = $description;
|
|
$sess->descriptionformat = $formdata->sdescription['format'];
|
|
$sess->timemodified = time();
|
|
$DB->update_record('attendance_sessions', $sess);
|
|
// TODO: log
|
|
// add_to_log($course->id, 'attendance', 'Session updated', 'mod/attforblock/manage.php?id='.$id, $user->lastname.' '.$user->firstname);
|
|
}
|
|
|
|
public function take_from_form_data($formdata) {
|
|
global $DB, $USER;
|
|
|
|
$statuses = implode(',', array_keys( (array)$this->get_statuses() ));
|
|
$now = time();
|
|
$sesslog = array();
|
|
$formdata = (array)$formdata;
|
|
foreach($formdata as $key => $value) {
|
|
if(substr($key, 0, 4) == 'user' && $value !== '') {
|
|
$sid = substr($key, 4);
|
|
$sesslog[$sid] = new Object();
|
|
$sesslog[$sid]->studentid = $sid;
|
|
$sesslog[$sid]->statusid = $value;
|
|
$sesslog[$sid]->statusset = $statuses;
|
|
$sesslog[$sid]->remarks = array_key_exists('remarks'.$sid, $formdata) ? $formdata['remarks'.$sid] : '';
|
|
$sesslog[$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 $log) {
|
|
if (array_key_exists($log->studentid, $dbsesslog)) {
|
|
$log->id = $dbsesslog[$log->studentid]->id;
|
|
$DB->update_record('attendance_log', $log);
|
|
}
|
|
else
|
|
$DB->insert_record('attendance_log', $log, false);
|
|
}
|
|
|
|
$rec = new object();
|
|
$rec->id = $this->pageparams->sessionid;
|
|
$rec->lasttaken = $now;
|
|
$rec->lasttakenby = $USER->id;
|
|
$DB->update_record('attendance_sessions', $rec);
|
|
|
|
// TODO: update_grades
|
|
// TODO: log
|
|
redirect($this->url_manage(), get_string('attendancesuccess','attforblock'));
|
|
}
|
|
|
|
/**
|
|
* MDL-27591 made this method obsolete.
|
|
*/
|
|
public function get_users($groupid = 0) {
|
|
global $DB;
|
|
|
|
//fields we need from the user table
|
|
$userfields = user_picture::fields('u');
|
|
|
|
if (isset($this->pageparams->sort) and ($this->pageparams->sort == att_take_page_params::SORT_FIRSTNAME)) {
|
|
$orderby = "u.firstname ASC, u.lastname ASC";
|
|
}
|
|
else {
|
|
$orderby = "u.lastname ASC, u.firstname ASC";
|
|
}
|
|
|
|
$users = get_enrolled_users($this->context, 'mod/attforblock:canbelisted', $groupid, $userfields, $orderby);
|
|
|
|
//add a flag to each user indicating whether their enrolment is active
|
|
if (!empty($users)) {
|
|
list($usql, $uparams) = $DB->get_in_or_equal(array_keys($users), SQL_PARAMS_NAMED, 'usid0');
|
|
|
|
$sql = "SELECT ue.userid, ue.status, ue.timestart, ue.timeend
|
|
FROM {user_enrolments} ue
|
|
JOIN {enrol} e ON e.id = ue.enrolid
|
|
WHERE ue.userid $usql
|
|
AND e.status = :estatus
|
|
AND e.courseid = :courseid
|
|
GROUP BY ue.userid";
|
|
$params = array_merge($uparams, array('estatus'=>ENROL_INSTANCE_ENABLED, 'courseid'=>$this->course->id));
|
|
$enrolmentsparams = $DB->get_records_sql($sql, $params);
|
|
|
|
foreach ($users as $user) {
|
|
$users[$user->id]->enrolmentstatus = $enrolmentsparams[$user->id]->status;
|
|
$users[$user->id]->enrolmentstart = $enrolmentsparams[$user->id]->timestart;
|
|
$users[$user->id]->enrolmentend = $enrolmentsparams[$user->id]->timeend;
|
|
}
|
|
}
|
|
|
|
return $users;
|
|
}
|
|
|
|
public function get_user($userid) {
|
|
global $DB;
|
|
|
|
$user = $DB->get_record('user', array('id' => $userid), '*', MUST_EXIST);
|
|
|
|
$sql = "SELECT ue.userid, ue.status, ue.timestart, ue.timeend
|
|
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";
|
|
$params = array('uid' => $userid, 'estatus'=>ENROL_INSTANCE_ENABLED, 'courseid'=>$this->course->id);
|
|
$enrolmentsparams = $DB->get_record_sql($sql, $params);
|
|
|
|
$user->enrolmentstatus = $enrolmentsparams->status;
|
|
$user->enrolmentstart = $enrolmentsparams->timestart;
|
|
$user->enrolmentend = $enrolmentsparams->timeend;
|
|
|
|
return $user;
|
|
}
|
|
|
|
public function get_statuses($onlyvisible = true) {
|
|
global $DB;
|
|
|
|
if (!isset($this->statuses)) {
|
|
if ($onlyvisible) {
|
|
$this->statuses = $DB->get_records_select('attendance_statuses', "attendanceid = :aid AND visible = 1 AND deleted = 0", array('aid' => $this->id), 'grade DESC');
|
|
} else {
|
|
$this->statuses = $DB->get_records_select('attendance_statuses', "attendanceid = :aid AND deleted = 0", array('aid' => $this->id), 'grade DESC');
|
|
}
|
|
}
|
|
|
|
return $this->statuses;
|
|
}
|
|
|
|
public function get_session_info($sessionid) {
|
|
global $DB;
|
|
|
|
if (!isset($this->sessioninfo))
|
|
$this->sessioninfo = $DB->get_record('attendance_sessions', array('id' => $sessionid));
|
|
$this->sessioninfo->description = file_rewrite_pluginfile_urls($this->sessioninfo->description,
|
|
'pluginfile.php', $this->context->id, 'mod_attforblock', 'session', $this->sessioninfo->id);
|
|
|
|
return $this->sessioninfo;
|
|
}
|
|
|
|
public function get_session_log($sessionid) {
|
|
global $DB;
|
|
|
|
return $DB->get_records('attendance_log', array('sessionid' => $sessionid), '', 'studentid,statusid,remarks,id');
|
|
}
|
|
|
|
public function get_user_stat($userid) {
|
|
global $DB;
|
|
|
|
$ret = array();
|
|
$ret['completed'] = $this->get_user_taken_sessions_count($userid);
|
|
$ret['statuses'] = $this->get_user_statuses_stat($userid);
|
|
|
|
return $ret;
|
|
}
|
|
|
|
public function get_user_taken_sessions_count($userid, $courseid=NULL) {
|
|
global $DB;
|
|
|
|
if (!isset($this->usertakensesscount)) {
|
|
$qry = "SELECT count(*) as cnt
|
|
FROM {attendance_log} al
|
|
JOIN {attendance_sessions} ats
|
|
ON al.sessionid = ats.id
|
|
WHERE ats.attendanceid = :aid AND
|
|
ats.sessdate >= :cstartdate AND
|
|
al.studentid = :uid";
|
|
$params = array(
|
|
'aid' => $this->id,
|
|
'cstartdate' => $this->course->startdate,
|
|
'uid' => $userid);
|
|
|
|
$this->usertakensesscount = $DB->count_records_sql($qry, $params);
|
|
}
|
|
|
|
return $this->usertakensesscount;
|
|
}
|
|
|
|
public function get_user_statuses_stat($userid) {
|
|
global $DB;
|
|
|
|
if (!isset($this->userstatusesstat)) {
|
|
$qry = "SELECT al.statusid, count(al.statusid) AS stcnt
|
|
FROM {attendance_log} al
|
|
JOIN {attendance_sessions} ats
|
|
ON al.sessionid = ats.id
|
|
WHERE ats.attendanceid = :aid AND
|
|
ats.sessdate >= :cstartdate AND
|
|
al.studentid = :uid
|
|
GROUP BY al.statusid";
|
|
$params = array(
|
|
'aid' => $this->id,
|
|
'cstartdate' => $this->course->startdate,
|
|
'uid' => $userid);
|
|
|
|
$this->userstatusesstat = $DB->get_records_sql($qry, $params);
|
|
}
|
|
|
|
return $this->userstatusesstat;
|
|
}
|
|
|
|
public function get_user_grade($userid, $courseid=NULL) {
|
|
$statistics = $this->get_user_statuses_stat($userid, $courseid);
|
|
$statuses = $this->get_statuses($courseid);
|
|
|
|
$sum = 0;
|
|
foreach ($statistics as $stat) {
|
|
$sum += $stat->stcnt * $statuses[$stat->statusid]->grade;
|
|
}
|
|
|
|
return $sum;
|
|
}
|
|
|
|
// For getting sessions count implemented simplest method - taken sessions.
|
|
// It can have error if users don't have attendance info for some sessions.
|
|
// In the future we can implement another methods:
|
|
// * all sessions between user start enrolment date and now;
|
|
// * all sessions between user start and end enrolment date.
|
|
public function get_user_max_grade($userid, $courseid=NULL) {
|
|
$takensessions = $this->get_user_taken_sessions_count($userid, $courseid);
|
|
$statuses = $this->get_statuses($courseid);
|
|
|
|
return current($statuses)->grade * $takensessions;
|
|
}
|
|
|
|
public function get_user_filtered_sessions_log($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 = "AND ats.attendanceid = :aid AND ats.sessdate >= :csdate";
|
|
}
|
|
|
|
$sql = "SELECT ats.id, ats.sessdate, ats.duration, ats.description, al.statusid, al.remarks
|
|
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(
|
|
'uid' => $userid,
|
|
'aid' => $this->id,
|
|
'csdate' => $this->course->startdate,
|
|
'sdate' => $this->pageparams->startdate,
|
|
'edate' => $this->pageparams->enddate);
|
|
$sessions = $DB->get_records_sql($sql, $params);
|
|
foreach ($sessions as $sess) {
|
|
$sess->description = file_rewrite_pluginfile_urls($sess->description, 'pluginfile.php', $this->context->id, 'mod_attforblock', 'session', $sess->id);
|
|
}
|
|
|
|
return $sessions;
|
|
}
|
|
|
|
public function get_user_courses_with_attendance($userid) {
|
|
global $DB;
|
|
|
|
// we can't get user courses based only on attendance_log information
|
|
// because of then users will see only courses with taked attendance
|
|
$usercourses = enrol_get_users_courses($userid);
|
|
|
|
list($usql, $uparams) = $DB->get_in_or_equal(array_keys($usercourses), SQL_PARAMS_NAMED, 'cid0');
|
|
|
|
$sql = "SELECT ats.courseid, course.fullname
|
|
FROM {attendance_sessions} ats
|
|
JOIN {attendance_log} al
|
|
ON ats.id = al.sessionid AND al.studentid = :uid
|
|
JOIN {course} course
|
|
ON ats.courseid = course.id
|
|
WHERE ats.courseid $usql
|
|
GROUP BY ats.courseid
|
|
ORDER BY course.fullname ASC";
|
|
|
|
$params = array_merge($uparams, array('uid' => $userid));
|
|
|
|
return $DB->get_records_sql($sql, $params);
|
|
}
|
|
}
|
|
|
|
|
|
?>
|
|
|