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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Attendance module renderable components are defined here
*
* @package mod_attendance
* @copyright 2011 Artem Andreev <andreev.artem@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(dirname(__FILE__).'/locallib.php');
/**
* Represents info about attendance tabs.
*
* Proxy class for security reasons (renderers must not have access to all attendance methods)
*
* @copyright 2011 Artem Andreev <andreev.artem@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*
*/
class attendance_tabs implements renderable {
const TAB_SESSIONS = 1;
const TAB_ADD = 2;
const TAB_REPORT = 3;
const TAB_EXPORT = 4;
const TAB_PREFERENCES = 5;
const TAB_TEMPORARYUSERS = 6; // Tab for managing temporary users.
const TAB_UPDATE = 7;
public $currenttab;
/** @var attendance */
private $att;
/**
* Prepare info about sessions for attendance taking into account view parameters.
*
* @param attendance $att instance
* @param $currenttab - one of attendance_tabs constants
*/
public function __construct(mod_attendance_structure $att, $currenttab=null) {
$this->att = $att;
$this->currenttab = $currenttab;
}
/**
* Return array of rows where each row is an array of tab objects
* taking into account permissions of current user
*/
public function get_tabs() {
$toprow = array();
$context = $this->att->context;
$capabilities = array(
'mod/attendance:manageattendances',
'mod/attendance:takeattendances',
'mod/attendance:changeattendances'
);
if (has_any_capability($capabilities, $context)) {
$toprow[] = new tabobject(self::TAB_SESSIONS, $this->att->url_manage()->out(),
get_string('sessions', 'attendance'));
}
if (has_capability('mod/attendance:manageattendances', $context)) {
$toprow[] = new tabobject(self::TAB_ADD,
$this->att->url_sessions()->out(true,
array('action' => mod_attendance_sessions_page_params::ACTION_ADD)),
get_string('addsession', 'attendance'));
}
if (has_capability('mod/attendance:viewreports', $context)) {
$toprow[] = new tabobject(self::TAB_REPORT, $this->att->url_report()->out(),
get_string('report', 'attendance'));
}
if (has_capability('mod/attendance:export', $context)) {
$toprow[] = new tabobject(self::TAB_EXPORT, $this->att->url_export()->out(),
get_string('export', 'attendance'));
}
if (has_capability('mod/attendance:changepreferences', $context)) {
$toprow[] = new tabobject(self::TAB_PREFERENCES, $this->att->url_preferences()->out(),
get_string('settings', 'attendance'));
}
if (has_capability('mod/attendance:managetemporaryusers', $context)) {
$toprow[] = new tabobject(self::TAB_TEMPORARYUSERS, $this->att->url_managetemp()->out(),
get_string('tempusers', 'attendance'));
}
if ($this->currenttab == self::TAB_UPDATE && has_capability('mod/attendance:manageattendances', $context)) {
$toprow[] = new tabobject(self::TAB_UPDATE,
$this->att->url_sessions()->out(true,
array('action' => mod_attendance_sessions_page_params::ACTION_UPDATE)),
get_string('changesession', 'attendance'));
}
return array($toprow);
}
}
class attendance_filter_controls implements renderable {
/** @var int current view mode */
public $pageparams;
public $cm;
public $curdate;
public $prevcur;
public $nextcur;
public $curdatetxt;
public $reportcontrol;
private $urlpath;
private $urlparams;
public $att;
public function __construct(mod_attendance_structure $att, $report = false) {
global $PAGE;
$this->pageparams = $att->pageparams;
$this->cm = $att->cm;
// This is a report control only if $reports is true and the attendance block can be graded.
$this->reportcontrol = $report;
$this->curdate = $att->pageparams->curdate;
$date = usergetdate($att->pageparams->curdate);
$mday = $date['mday'];
$mon = $date['mon'];
$year = $date['year'];
switch ($this->pageparams->view) {
case ATT_VIEW_DAYS:
$format = get_string('strftimedm', 'attendance');
$this->prevcur = make_timestamp($year, $mon, $mday - 1);
$this->nextcur = make_timestamp($year, $mon, $mday + 1);
$this->curdatetxt = userdate($att->pageparams->startdate, $format);
break;
case ATT_VIEW_WEEKS:
$format = get_string('strftimedm', 'attendance');
$this->prevcur = $att->pageparams->startdate - WEEKSECS;
$this->nextcur = $att->pageparams->startdate + WEEKSECS;
$this->curdatetxt = userdate($att->pageparams->startdate, $format).
" - ".userdate($att->pageparams->enddate, $format);
break;
case ATT_VIEW_MONTHS:
$format = '%B';
$this->prevcur = make_timestamp($year, $mon - 1);
$this->nextcur = make_timestamp($year, $mon + 1);
$this->curdatetxt = userdate($att->pageparams->startdate, $format);
break;
}
$this->urlpath = $PAGE->url->out_omit_querystring();
$params = $att->pageparams->get_significant_params();
$params['id'] = $att->cm->id;
$this->urlparams = $params;
$this->att = $att;
}
public function url($params=array()) {
$params = array_merge($this->urlparams, $params);
return new moodle_url($this->urlpath, $params);
}
public function url_path() {
return $this->urlpath;
}
public function url_params($params=array()) {
$params = array_merge($this->urlparams, $params);
return $params;
}
public function get_group_mode() {
return $this->att->get_group_mode();
}
public function get_sess_groups_list() {
return $this->att->pageparams->get_sess_groups_list();
}
public function get_current_sesstype() {
return $this->att->pageparams->get_current_sesstype();
}
}
/**
* Represents info about attendance sessions taking into account view parameters.
*
* @copyright 2011 Artem Andreev <andreev.artem@gmail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class attendance_manage_data implements renderable {
/** @var array of sessions*/
public $sessions;
/** @var int number of hidden sessions (sessions before $course->startdate)*/
public $hiddensessionscount;
public $groups;
public $hiddensesscount;
/** @var attendance */
public $att;
/**
* Prepare info about attendance sessions taking into account view parameters.
*
* @param attendance $att instance
*/
public function __construct(mod_attendance_structure $att) {
$this->sessions = $att->get_filtered_sessions();
$this->groups = groups_get_all_groups($att->course->id);
$this->hiddensessionscount = $att->get_hidden_sessions_count();
$this->att = $att;
}
public function url_take($sessionid, $grouptype) {
return url_helpers::url_take($this->att, $sessionid, $grouptype);
}
/**
* Must be called without or with both parameters
*/
public function url_sessions($sessionid=null, $action=null) {
return url_helpers::url_sessions($this->att, $sessionid, $action);
}
}
class attendance_take_data implements renderable {
public $users;
public $pageparams;
public $groupmode;
public $cm;
public $statuses;
public $sessioninfo;
public $sessionlog;
public $sessions4copy;
public $updatemode;
private $urlpath;
private $urlparams;
private $att;
public function __construct(mod_attendance_structure $att) {
if ($att->pageparams->grouptype) {
$this->users = $att->get_users($att->pageparams->grouptype, $att->pageparams->page);
} else {
$this->users = $att->get_users($att->pageparams->group, $att->pageparams->page);
}
$this->pageparams = $att->pageparams;
$this->groupmode = $att->get_group_mode();
$this->cm = $att->cm;
$this->statuses = $att->get_statuses();
$this->sessioninfo = $att->get_session_info($att->pageparams->sessionid);
$this->updatemode = $this->sessioninfo->lasttaken > 0;
if (isset($att->pageparams->copyfrom)) {
$this->sessionlog = $att->get_session_log($att->pageparams->copyfrom);
} else if ($this->updatemode) {
$this->sessionlog = $att->get_session_log($att->pageparams->sessionid);
} else {
$this->sessionlog = array();
}
if (!$this->updatemode) {
$this->sessions4copy = $att->get_today_sessions_for_copy($this->sessioninfo);
}
$this->urlpath = $att->url_take()->out_omit_querystring();
$params = $att->pageparams->get_significant_params();
$params['id'] = $att->cm->id;
$this->urlparams = $params;
$this->att = $att;
}
public function url($params=array(), $excludeparams=array()) {
$params = array_merge($this->urlparams, $params);
foreach ($excludeparams as $paramkey) {
unset($params[$paramkey]);
}
return new moodle_url($this->urlpath, $params);
}
public function url_view($params=array()) {
return url_helpers::url_view($this->att, $params);
}
public function url_path() {
return $this->urlpath;
}
}
class attendance_user_data implements renderable {
public $user;
public $pageparams;
public $statuses;
public $summary;
public $filtercontrols;
public $sessionslog;
public $groups;
public $coursesatts;
private $urlpath;
private $urlparams;
public function __construct(mod_attendance_structure $att, $userid) {
$this->user = $att->get_user($userid);
$this->pageparams = $att->pageparams;
if ($this->pageparams->mode == mod_attendance_view_page_params::MODE_THIS_COURSE) {
$this->statuses = $att->get_statuses(true, true);
$this->summary = new mod_attendance_summary($att->id, array($userid), $att->pageparams->startdate,
$att->pageparams->enddate);
$this->filtercontrols = new attendance_filter_controls($att);
$this->sessionslog = $att->get_user_filtered_sessions_log_extended($userid);
$this->groups = groups_get_all_groups($att->course->id);
} else {
$this->coursesatts = attendance_get_user_courses_attendances($userid);
$this->statuses = array();
$this->summary = array();
foreach ($this->coursesatts as $atid => $ca) {
// Check to make sure the user can view this cm.
if (!get_fast_modinfo($ca->courseid)->instances['attendance'][$ca->attid]->uservisible) {
unset($this->courseatts[$atid]);
continue;
}
$this->statuses[$ca->attid] = attendance_get_statuses($ca->attid);
$this->summary[$ca->attid] = new mod_attendance_summary($ca->attid, array($userid));
}
}
$this->urlpath = $att->url_view()->out_omit_querystring();
$params = $att->pageparams->get_significant_params();
$params['id'] = $att->cm->id;
$this->urlparams = $params;
}
public function url() {
return new moodle_url($this->urlpath, $this->urlparams);
}
}
class attendance_report_data implements renderable {
public $pageparams;
public $users;
public $groups;
public $sessions;
public $statuses;
// Includes disablrd/deleted statuses.
public $allstatuses;
public $usersgroups = array();
public $sessionslog = array();
public $summary = array();
public $att;
public function __construct(mod_attendance_structure $att) {
$currenttime = time();
if ($att->pageparams->view == ATT_VIEW_NOTPRESENT) {
$att->pageparams->enddate = $currenttime;
}
$this->pageparams = $att->pageparams;
$this->users = $att->get_users($att->pageparams->group, $att->pageparams->page);
if (isset($att->pageparams->userids)) {
foreach ($this->users as $key => $user) {
if (!in_array($user->id, $att->pageparams->userids)) {
unset($this->users[$key]);
}
}
}
$this->groups = groups_get_all_groups($att->course->id);
$this->sessions = $att->get_filtered_sessions();
$this->statuses = $att->get_statuses(true, true);
$this->allstatuses = $att->get_statuses(false, true);
if ($att->pageparams->view == ATT_VIEW_SUMMARY) {
$this->summary = new mod_attendance_summary($att->id);
} else {
$this->summary = new mod_attendance_summary($att->id, array_keys($this->users),
$att->pageparams->startdate, $att->pageparams->enddate);
}
foreach ($this->users as $key => $user) {
$usersummary = $this->summary->get_taken_sessions_summary_for($user->id);
if ($att->pageparams->view != ATT_VIEW_NOTPRESENT ||
$usersummary->takensessionspoints < $usersummary->takensessionsmaxpoints ||
$usersummary->takensessionsmaxpoints == 0) {
$this->usersgroups[$user->id] = groups_get_all_groups($att->course->id, $user->id);
$this->sessionslog[$user->id] = $att->get_user_filtered_sessions_log($user->id);
} else {
unset($this->users[$key]);
}
}
$this->att = $att;
}
public function url_take($sessionid, $grouptype) {
return url_helpers::url_take($this->att, $sessionid, $grouptype);
}
public function url_view($params=array()) {
return url_helpers::url_view($this->att, $params);
}
public function url($params=array()) {
$params = array_merge($params, $this->pageparams->get_significant_params());
return $this->att->url_report($params);
}
}
class attendance_preferences_data implements renderable {
public $statuses;
private $att;
public $errors;
public function __construct(mod_attendance_structure $att, $errors) {
$this->statuses = $att->get_statuses(false);
$this->errors = $errors;
foreach ($this->statuses as $st) {
$st->haslogs = attendance_has_logs_for_status($st->id);
}
$this->att = $att;
}
public function url($params=array(), $significantparams=true) {
if ($significantparams) {
$params = array_merge($this->att->pageparams->get_significant_params(), $params);
}
return $this->att->url_preferences($params);
}
}
// Output a selector to change between status sets.
class attendance_set_selector implements renderable {
public $maxstatusset;
private $att;
public function __construct(mod_attendance_structure $att, $maxstatusset) {
$this->att = $att;
$this->maxstatusset = $maxstatusset;
}
public function url($statusset) {
$params = array();
$params['statusset'] = $statusset;
return $this->att->url_preferences($params);
}
public function get_current_statusset() {
if (isset($this->att->pageparams->statusset)) {
return $this->att->pageparams->statusset;
}
return 0;
}
public function get_status_name($statusset) {
return attendance_get_setname($this->att->id, $statusset, true);
}
}
class url_helpers {
public static function url_take($att, $sessionid, $grouptype) {
$params = array('sessionid' => $sessionid);
if (isset($grouptype)) {
$params['grouptype'] = $grouptype;
}
return $att->url_take($params);
}
/**
* Must be called without or with both parameters
*/
public static function url_sessions($att, $sessionid=null, $action=null) {
if (isset($sessionid) && isset($action)) {
$params = array('sessionid' => $sessionid, 'action' => $action);
} else {
$params = array();
}
return $att->url_sessions($params);
}
public static function url_view($att, $params=array()) {
return $att->url_view($params);
}
}