/
block_cegep_enrolment.php
577 lines (466 loc) · 24.1 KB
/
block_cegep_enrolment.php
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<?php
require_once('../../config.php');
require('lib.php');
$courseid = required_param('id', PARAM_INT);
$action = optional_param('a', null, PARAM_ACTION);
global $CFG, $USER, $COURSE, $DB, $OUTPUT;
// Module unavailable for course id 0 or 1
if ($courseid == 1 || !$COURSE = $DB->get_record('course', array('id' => $courseid)))
print_error('invalidcourse');
require_login($COURSE);
// Set up and display page header
$strtitle = get_string('enrolment','block_cegep');
$navlinks = array();
$navlinks[] = array('name' => $strtitle, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
print_header("$COURSE->shortname: $strtitle", $COURSE->fullname, $navigation);
// This module only available to teachers and admins
$context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
require_capability('moodle/course:update', $context, null, true, 'errormustbeteacher', 'block_cegep');
// Verify if external database enrolment is enabled
if (!in_array('database',explode(',',$CFG->enrol_plugins_enabled)))
print_error('errorenroldbnotavailable','block_cegep');
// Prepare external enrolment database connection
if ($enroldb = enroldb_connect()) {
$enroldb->Execute("SET NAMES 'utf8'");
}
else {
error_log('[ENROL_DB] Could not make a connection');
print_error('dbconnectionfailed','error');
}
// Prepare external SIS database connection
if ($sisdb = sisdb_connect()) {
$sisdb->Execute("SET NAMES 'utf8'");
}
else {
error_log('[SIS_DB] Could not make a connection');
print_error('dbconnectionfailed','error');
}
// Get system context for global Admin CEGEP permissions
$syscontext = get_context_instance(CONTEXT_SYSTEM, 1);
// Main switch
switch ($action) {
case 'enrol' :
if (is_siteadmin() || has_capability('block/cegep:enroladmin_course', $syscontext))
cegep_enrol_admin();
else
cegep_enrol();
break;
case 'unenrol' :
cegep_unenrol();
break;
case 'enrolprogram' :
require_capability('block/cegep:enroladmin_program', $syscontext);
cegep_enrolprogram();
break;
case 'unenrolprogram' :
require_capability('block/cegep:enroladmin_program', $syscontext);
if ($num_programenrolments > 0)
cegep_unenrolprogram();
else
notify(get_string('noprogramsenrolled','block_cegep'));
break;
default :
cegep_studentlist();
break;
}
// Enrol a coursegroup into a Moodle course (admin function)
function cegep_enrol_admin() {
global $CFG, $COURSE, $DB, $USER, $OUTPUT, $enroldb, $sisdb;
$currenttab = 'enrol';
require('block_cegep_tabs.php');
// Set up enrolment form
require('block_cegep_enrol_admin_form.php');
$enrolform = new cegep_enrol_admin_form('block_cegep_enrolment.php?a=enrol&id='.$COURSE->id.'');
// Go back to course page if cancelled
if ($enrolform->is_cancelled()) {
redirect($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
// Process validated data
elseif ($data = $enrolform->get_data()) {
// Extract course code info
if (empty($data->coursecode)) {
$coursecode = substr($COURSE->idnumber, 0, strripos($COURSE->idnumber, '_'));
} else {
$coursecode = $data->coursecode;
}
// Extract term info
$term = $data->year . $data->semester;
if (strstr($data->coursegroup, ',')) {
$coursegroups = explode(',', $data->coursegroup);
} else {
$coursegroups = array($data->coursegroup);
}
$students_enrolled = array();
foreach ($coursegroups as $coursegroup) {
// Enrol coursegroup
if (!$s = cegep_local_enrol_coursegroup($coursecode, $coursegroup, $term)) {
print_error('errorimportingstudentlist','block_cegep');
} else {
$students_enrolled = array_merge($students_enrolled, $s);
}
// Create Moodle group
if (isset($data->creategroups) && $data->creategroups) {
$groupname = sprintf('%s gr.%d %s', $coursecode, $coursegroup, cegep_local_term_to_string($term));
$group = $DB->get_record('groups', array('name' => $groupname), '*');
if (is_object($group) && isset($group->id)) {
$groupid = $group->id;
}
else {
$group = new stdClass();
$group->courseid = $COURSE->id;
$group->name = $groupname;
$groupid = groups_create_group($group);
}
foreach ($s as $username) {
$u = $DB->get_record('user', array('username' => $username), 'id', MUST_EXIST);
groups_add_member($groupid, $u->id);
}
}
}
if (!$COURSE->visible && isset($data->makevisible) && $data->makevisible) {
$COURSE->visible = 1;
$DB->update_record('course', $COURSE);
}
// Display nice confirmation with student list and buttons
echo $OUTPUT->notification(get_string('coursegroupenrolled','block_cegep',implode($students_enrolled,'<br />')),'notifysuccess');
$linkyes = new moodle_url('block_cegep_enrolment.php', array('a' => 'enrol', 'id' => $COURSE->id));
$linkno = new moodle_url($CFG->wwwroot.'/course/view.php', array('id' => $COURSE->id));
echo $OUTPUT->confirm(get_string('enrolanother','block_cegep'), $linkyes, $linkno);
}
// Display the enrolment form
else {
echo $OUTPUT->heading(get_string('enrol','block_cegep'), 3);
$enrolform->display();
}
}
/* 'cegep_enrol'
*
* This function is aimed at teachers enrolling a section into
* a course. It restricts them to enrolling sections
* that the DB says they are teaching.
*
*/
function cegep_enrol() {
global $CFG, $DB, $USER, $COURSE, $OUTPUT, $enroldb, $sisdb;
$currenttab = 'enrol';
require('block_cegep_tabs.php');
// Set up enrolment form
require('block_cegep_enrol_form.php');
$enrolform = new cegep_enrol_form('block_cegep_enrolment.php?a=enrol&id='.$COURSE->id.'');
// Go back to course page if cancelled
if ($enrolform->is_cancelled()) {
redirect($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
// Process validated data
elseif ($data = $enrolform->get_data()) {
$students_enrolled = array();
foreach ($data->coursegroup as $coursegroup_id) {
// Enrol selected coursegroup(s)
if (!$se = cegep_local_enrol_coursegroup($coursegroup_id)) {
print_error('errorimportingstudentlist','block_cegep');
}
// Create Moodle group
if (isset($data->creategroups) && $data->creategroups) {
$coursegroup = cegep_local_get_coursegroup($coursegroup_id);
$groupname = sprintf('%s gr.%d %s', $coursegroup['coursecode'], $coursegroup['group'], cegep_local_term_to_string($coursegroup['term']));
$group = $DB->get_record('groups', array('name' => $groupname), '*');
if (is_object($group) && isset($group->id)) {
$groupid = $group->id;
}
else {
$group = new stdClass();
$group->courseid = $COURSE->id;
$group->name = $groupname;
$groupid = groups_create_group($group);
}
foreach ($se as $username) {
$u = $DB->get_record('user', array('username' => $username), 'id', MUST_EXIST);
groups_add_member($groupid, $u->id);
}
}
$students_enrolled += $se;
}
// Display nice confirmation with student list and buttons
echo $OUTPUT->notification(get_string('coursegroupenrolled','block_cegep',implode($students_enrolled,'<br />')),'notifysuccess');
$linkyes = new moodle_url('block_cegep_enrolment.php', array('a' => 'enrol', 'id' => $COURSE->id));
$linkno = new moodle_url($CFG->wwwroot.'/course/view.php', array('id' => $COURSE->id));
echo $OUTPUT->confirm(get_string('enrolanother','block_cegep'), $linkyes, $linkno);
}
// Display the enrolment form
else {
echo $OUTPUT->heading(get_string('enrol','block_cegep'), 3);
$enrolform->display();
}
}
// Unenrol a coursegroup from a Moodle course
function cegep_unenrol() {
global $CFG, $COURSE, $DB, $OUTPUT, $enroldb;
$currenttab = 'unenrol';
require('block_cegep_tabs.php');
// Set up enrolment form
require('block_cegep_unenrol_form.php');
$unenrolform = new cegep_unenrol_form('block_cegep_enrolment.php?a=unenrol&id='.$COURSE->id.'');
// Go back to course page if cancelled
if ($unenrolform->is_cancelled()) {
redirect($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
// Process validated data
elseif ($data = $unenrolform->get_data()) {
$coursegroup_list = implode(', ', $data->coursegroup);
// Get usernames before removing
$select = "SELECT `$CFG->enrol_remoteuserfield` FROM `$CFG->enrol_dbname`.`$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$COURSE->idnumber' AND `$CFG->enrol_remoterolefield` = '$CFG->block_cegep_studentrole' AND `coursegroup_id` IN ($coursegroup_list);";
$usernames = $enroldb->Execute($select)->getRows();
// If user exists, unassign role right away
if ($usernames) {
$context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
$student_role = $DB->get_record('role', array($CFG->enrol_localrolefield => $CFG->block_cegep_studentrole));
$enrol = enrol_get_plugin('database');
if ($instance = $DB->get_record('enrol', array('courseid' => $COURSE->id, 'enrol' => 'database'), '*', IGNORE_MULTIPLE)) {
foreach ($usernames as $username) {
if ($student_user = $DB->get_record('user', array($CFG->enrol_localuserfield => $username[$CFG->enrol_remoteuserfield]))) {
$enrol->unenrol_user($instance, $student_user->id);
}
}
}
}
// Go through each coursegroup and remove Moodle external enrolment database record
$delete = "DELETE FROM `$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$COURSE->idnumber' AND `$CFG->enrol_remoterolefield` = '$CFG->block_cegep_studentrole' AND `coursegroup_id` IN ($coursegroup_list);";
$result = $enroldb->Execute($delete);
if (!$result) {
trigger_error($enroldb->ErrorMsg() .' STATEMENT: '. $delete);
print_error('errordeletingenrolment','block_cegep');
break;
} else {
echo $OUTPUT->notification(get_string('coursegroupunenrolled','block_cegep',$enroldb->Affected_Rows()),'notifysuccess');
echo $OUTPUT->continue_button($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
}
// Display the enrolment form
else {
echo $OUTPUT->heading(get_string('unenrol','block_cegep'), 3);
$unenrolform->display();
}
}
// Enrol a program into a Moodle course
function cegep_enrolprogram() {
global $CFG, $COURSE, $OUTPUT, $enroldb, $sisdb;
$currenttab = 'enrolprogram';
require('block_cegep_tabs.php');
// Set up enrolment form
require('block_cegep_enrolprogram_form.php');
$enrolprogramform = new cegep_enrolprogram_form('block_cegep_enrolment.php?a=enrolprogram&id='.$COURSE->id.'');
// Go back to course page if cancelled
if ($enrolprogramform->is_cancelled()) {
redirect($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
// Process validated data
elseif ($data = $enrolprogramform->get_data()) {
$program_idyear = $data->program_id . '_' . $data->program_year;
// Fetch records of students enrolled into this program/year from SISDB
$select_students = "SELECT * FROM `$CFG->sisdb_name`.`student` WHERE `program_id` = '".$data->program_id."' AND program_year = '".$data->program_year."';";
$students_rs = $sisdb->Execute($select_students);
if (!$students_rs) {
print_error('errorimportingstudentlist','block_cegep');
}
// Go through each student and insert Moodle external enrolment database record
$studentlist = '';
while ($students_rs && !$students_rs->EOF) {
$student = $students_rs->fields;
$program_idyear = $data->program_id . "_" . $data->program_year;
if (!cegep_local_enrol_user($COURSE->idnumber, $student['username'], $CFG->block_cegep_studentrole, NULL, $program_idyear)) {
trigger_error(get_string('errorimportingstudentlist','block_cegep'), E_USER_ERROR);
break;
} else {
$studentlist .= $student['username'].'<br />';
}
$students_rs->MoveNext();
}
// Display nice confirmation with student list and buttons
echo $OUTPUT->notification(get_string('programenrolled','block_cegep'),'notifysuccess');
echo $OUTPUT->continue_button($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
// Display the enrolment form
else {
echo $OUTPUT->heading(get_string('enrolprogram','block_cegep'), 3);
$enrolprogramform->display();
}
}
// Unenrol a program from a Moodle course
function cegep_unenrolprogram() {
global $CFG, $COURSE, $DB, $OUTPUT, $enroldb;
$currenttab = 'unenrolprogram';
require('block_cegep_tabs.php');
// Set up enrolment form
require('block_cegep_unenrolprogram_form.php');
$unenrolprogramform = new cegep_unenrolprogram_form('block_cegep_enrolment.php?a=unenrolprogram&id='.$COURSE->id.'');
// Go back to course page if cancelled
if ($unenrolprogramform->is_cancelled()) {
redirect($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
// Process validated data
elseif ($data = $unenrolprogramform->get_data()) {
foreach ($data->program as $p) {
$program_list = "'$p',";
}
$program_list = rtrim($program_list, ',');
// Get usernames before removing
$select = "SELECT `$CFG->enrol_remoteuserfield` FROM `$CFG->enrol_dbname`.`$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$COURSE->idnumber' AND `$CFG->enrol_remoterolefield` = '$CFG->block_cegep_studentrole' AND `program_idyear` IN ($program_list);";
$usernames = recordset_to_array($enroldb->Execute($select));
// If user exists, unassign role right away
if ($usernames) {
$context = get_context_instance(CONTEXT_COURSE, $COURSE->id);
$student_role = $DB->get_record('role', array($CFG->enrol_localrolefield => $CFG->block_cegep_studentrole));
foreach ($usernames as $username) {
if ($student_user = $DB->get_record('user', array($CFG->enrol_localuserfield => $username->username))) {
role_unassign($student_role->id, $student_user->id, $context->id, 'enrol_database');
}
}
}
// Go through each program/year and remove Moodle external enrolment database record
$delete = "DELETE FROM `$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$COURSE->idnumber' AND `$CFG->enrol_remoterolefield` = '$CFG->block_cegep_studentrole' AND `program_idyear` IN ($program_list);";
$result = $enroldb->Execute($delete);
if (!$result) {
trigger_error($enroldb->ErrorMsg() .' STATEMENT: '. $delete);
print_error('errordeletingenrolment','block_cegep');
break;
} else {
echo $OUTPUT->notification(get_string('programunenrolled','block_cegep',$enroldb->Affected_Rows()),'notifysuccess');
echo $OUTPUT->continue_button($CFG->wwwroot.'/course/view.php?id='.$COURSE->id);
}
}
// Display the unenrolment form
else {
echo $OUTPUT->heading(get_string('unenrolprogram','block_cegep'), 3);
$unenrolprogramform->display();
}
}
// List all coursegroups and students enrolled in this Moodle course
function cegep_studentlist() {
global $CFG, $COURSE, $DB, $OUTPUT, $enroldb, $sisdb;
$currenttab = 'studentlist';
require('block_cegep_tabs.php');
$body = '';
$courses = array($COURSE);
if ($courses) {
foreach ($courses as $c) {
if (empty($c->idnumber)) {
$c = $DB->get_record('course', array('id'=> $c->id));
}
$select = "SELECT DISTINCT `program_idyear` FROM `$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$c->idnumber' AND `program_idyear` IS NOT NULL";
$program_idyears = $enroldb->Execute($select);
$select = "SELECT DISTINCT `coursegroup_id` FROM `$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$c->idnumber' AND `coursegroup_id` IS NOT NULL";
$coursegroups = $enroldb->Execute($select);
if (!$coursegroups && !$program_idyears) {
trigger_error($enroldb->ErrorMsg() .' STATEMENT: '. $select);
}
else {
$program_idyear = '';
$coursegroup_id = '';
while (!$program_idyears->EOF) {
$program_idyear = $program_idyears->fields['program_idyear'];
$program_idyear = explode('_', $program_idyear);
$program_id = $program_idyear[0];
$program_year = $program_idyear[1];
// Get title
$select = "SELECT `title` FROM `$CFG->sisdb_name`.`program` WHERE `id` = '$program_id'";
$program = $sisdb->Execute($select)->fields;
$notice = '';
$notice .= '<strong>'.get_string('program','block_cegep').'</strong> : ' . $program_id . ' - ' . $program['title'] . '<br />';
$notice .= '<strong>'.get_string('programyear','block_cegep').'</strong> : ' . get_string('programyear'.$program_year,'block_cegep');
$select = "SELECT * FROM `$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$c->idnumber' AND `program_idyear` = '".$program_id."_".$program_year."' AND `$CFG->enrol_remoterolefield` = '$CFG->block_cegep_studentrole' ORDER BY `$CFG->enrol_remoteuserfield` ASC";
$table = cegep_studentlist_enrolmenttable($select);
if (count($table->data) > 0) {
$notice .= html_writer::table($table);
$notice .= '<br /><strong>'.get_string('total').'</strong> : ' . count($table->data);
} else { ($notice .= get_string('nostudentsenrolled', 'block_cegep') . "<br /><br />"); }
$body .= $OUTPUT->box_start();
$body .= $OUTPUT->box($notice, 'coursebox');
$body .= $OUTPUT->box_end();
$program_idyears->MoveNext();
}
while (!$coursegroups->EOF) {
$coursegroup_id = $coursegroups->fields['coursegroup_id'];
$term = '';
$year = '';
$select = "SELECT * FROM `$CFG->sisdb_name`.`coursegroup` WHERE `id` = '$coursegroup_id'";
$coursegroup = $sisdb->Execute($select)->fields;
switch (substr($coursegroup['term'],-1)) {
case '1' : $term = get_string('winter', 'block_cegep'); break;
case '2' : $term = get_string('summer', 'block_cegep'); break;
case '3' : $term = get_string('autumn', 'block_cegep'); break;
}
$year = substr($coursegroup['term'],0,4);
$notice = '';
$notice .= '<strong>'.get_string('semester','block_cegep').'</strong> : ' . $term . ' ' . $year . '<br />';
$notice .= '<strong>'.get_string('coursecode','block_cegep').'</strong> : ' . $coursegroup['coursecode'] . '<br />';
$notice .= '<strong>'.get_string('coursegroupnumber','block_cegep').'</strong> : ' . $coursegroup['group'] . '<br /><br />';
$select = "SELECT * FROM `$CFG->enrol_remoteenroltable` WHERE `$CFG->enrol_remotecoursefield` = '$c->idnumber' AND `coursegroup_id` = '$coursegroup[id]' AND `$CFG->enrol_remoterolefield` = '$CFG->block_cegep_studentrole' ORDER BY `$CFG->enrol_remoteuserfield` ASC";
$table = cegep_studentlist_enrolmenttable($select);
if (count($table->data) > 0) {
$notice .= html_writer::table($table);
$notice .= '<br /><strong>'.get_string('total').'</strong> : ' . count($table->data);
}
else if (is_null($coursegroup['id'])) {
$coursegroups->MoveNext();
continue;
}
else {
$notice .= get_string('nocoursegroupsenrolled','block_cegep');
}
$body .= $OUTPUT->box_start();
$body .= $OUTPUT->box($notice, 'coursebox');
$body .= $OUTPUT->box_end();
$coursegroups->MoveNext();
}
}
}
}
if (!empty($body)) {
echo $OUTPUT->heading(get_string('studentlisttitle','block_cegep'), 3);
print($body);
} else {
notify(get_string('nocoursegroupsenrolled', 'block_cegep'));
}
}
function cegep_studentlist_enrolmenttable($select) {
global $CFG, $COURSE, $DB, $enroldb, $sisdb;
$table = new html_table();
$table->class = 'flexible';
$table->width = '100%';
$table->cellpadding = 4;
$table->cellspacing = 3;
$table->align = array('left','left','left');
$table->head = array(get_string('username'),get_string('lastname'),get_string('firstname'),get_string('program','block_cegep'));
$table->data = array();
// Obtenir la liste des étudiants
$enrolments_rs = $enroldb->Execute($select);
// Inscription des étudiants
$lastnames = array();
while ($enrolments_rs and !$enrolments_rs->EOF) {
$select = "SELECT * FROM `$CFG->sisdb_name`.`student` WHERE `username` = '" . $enrolments_rs->fields[$CFG->enrol_remoteuserfield] . "'";
$student_rs = $sisdb->Execute($select);
if ($student_rs && $student_rs->RecordCount() == 1) {
$student_sisdb = $student_rs->fields;
$student_moodle = $DB->get_record('user', array($CFG->enrol_localuserfield => $student_sisdb['username']));
if ($student_moodle) {
$select = "SELECT `title` FROM `$CFG->sisdb_name`.`program` WHERE `id` = '" . $student_sisdb['program_id'] . "'";
$program = $sisdb->Execute($select)->fields;
$table->data[] = array('<a href="'.$CFG->wwwroot.'/user/view.php?id='.$student_moodle->id.'" title="'.get_string('accessuserprofile','block_cegep').'">'.$student_sisdb['username'].'</a>', $student_sisdb['lastname'], $student_sisdb['firstname'], $program['title'] . " (" . $student_sisdb['program_id'] . ")");
$lastnames[] = $student_sisdb['lastname'];
} else {
$select = "SELECT `title` FROM `$CFG->sisdb_name`.`program` WHERE `id` = '" . $student_sisdb['program_id'] . "'";
$program = $sisdb->Execute($select)->fields;
$table->data[] = array($student_sisdb['username'], $student_sisdb['firstname'], $student_sisdb['lastname'], $program['title'] . " (" . $student_sisdb['program_id'] . ")");
$lastnames[] = $student_sisdb['lastname'];
}
}
$enrolments_rs->MoveNext();
}
array_multisort($lastnames, SORT_ASC, $table->data);
return $table;
}
echo $OUTPUT->footer();
$enroldb->Close();
$sisdb->Close();
?>