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block_course_overview_campus.php
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block_course_overview_campus.php
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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/>.
/**
* Block "course overview (campus)"
*
* @package block_course_overview_campus
* @copyright 2013 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
// @codingStandardsIgnoreFile
// Let codechecker ignore this file. This legacy code is not fully compliant to Moodle coding style but working and well documented.
/**
* Class block_course_overview_campus
*
* @package block_course_overview_campus
* @copyright 2013 Alexander Bias, Ulm University <alexander.bias@uni-ulm.de>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class block_course_overview_campus extends block_base {
/**
* init function
* @return void
*/
public function init() {
$this->title = get_string('pluginname', 'block_course_overview_campus');
}
/**
* specialization function
* @return void
*/
public function specialization() {
$this->title = format_string(get_config('block_course_overview_campus', 'blocktitle'));
}
/**
* applicable_formats function
* @return array
*/
public function applicable_formats() {
return array('my-index' => true, 'my' => true, 'site-index' => true);
}
/**
* has_config function
* @return bool
*/
public function has_config() {
return true;
}
/**
* instance_allow_multiple function
* @return bool
*/
public function instance_allow_multiple() {
return false;
}
/**
* instance_can_be_hidden function
* @return bool
*/
public function instance_can_be_hidden() {
return false;
}
/**
* get_content function
* @return string
*/
public function get_content() {
global $coc_config, $USER, $CFG, $DB, $PAGE, $OUTPUT;
/********************************************************************************/
/*** PREPARE ***/
/********************************************************************************/
// Don't run this function twice.
if ($this->content !== null) {
return $this->content;
}
// Include local library.
require_once(__DIR__ . '/locallib.php');
// Get plugin config.
$coc_config = get_config('block_course_overview_campus');
/********************************************************************************/
/*** PREPROCESSING ***/
/********************************************************************************/
// Include local library.
require_once(__DIR__ . '/locallib.php');
// Check if the configured term dates make sense, if not disable term filter.
if (!block_course_overview_campus_check_term_config()) {
$coc_config->termcoursefilter = false;
}
// Process GET parameters.
$param_hidecourse = optional_param('coc-hidecourse', 0, PARAM_BOOL);
$param_showcourse = optional_param('coc-showcourse', 0, PARAM_BOOL);
$param_term = optional_param('coc-term', null, PARAM_ALPHANUMEXT);
$param_category = optional_param('coc-category', null, PARAM_ALPHANUM);
$param_toplevelcategory = optional_param('coc-toplevelcategory', null, PARAM_ALPHANUM);
$param_teacher = optional_param('coc-teacher', null, PARAM_ALPHANUM);
$param_manage = optional_param('coc-manage', 0, PARAM_BOOL);
// Set displaying preferences when set by GET parameters.
if ($coc_config->enablehidecourses) {
if ($param_hidecourse != 0) {
set_user_preference('block_course_overview_campus-hidecourse-'.$param_hidecourse, 1);
}
if ($param_showcourse != 0) {
set_user_preference('block_course_overview_campus-hidecourse-'.$param_showcourse, 0);
}
}
// Set and remember term filter if GET parameter is present.
if ($coc_config->termcoursefilter == true) {
if ($param_term != null) {
$selectedterm = $param_term;
set_user_preference('block_course_overview_campus-selectedterm', $param_term);
}
// Or set term filter based on user preference with default term fallback if activated.
else if ($coc_config->defaultterm == true) {
$selectedterm = get_user_preferences('block_course_overview_campus-selectedterm', 'currentterm');
}
// Or set term filter based on user preference with 'all' terms fallback.
else {
$selectedterm = get_user_preferences('block_course_overview_campus-selectedterm', 'all');
}
}
// Set and remember parent category filter if GET parameter is present.
if ($coc_config->categorycoursefilter == true) {
if ($param_category != null) {
$selectedcategory = $param_category;
set_user_preference('block_course_overview_campus-selectedcategory', $param_category);
}
// Or set parent category filter based on user preference with 'all' categories fallback.
else {
$selectedcategory = get_user_preferences('block_course_overview_campus-selectedcategory', 'all');
}
}
// Set and remember top level category filter if GET parameter is present.
if ($coc_config->toplevelcategorycoursefilter == true) {
if ($param_toplevelcategory != null) {
$selectedtoplevelcategory = $param_toplevelcategory;
set_user_preference('block_course_overview_campus-selectedtoplevelcategory', $param_toplevelcategory);
}
// Or set top level category filter based on user preference with 'all' categories fallback.
else {
$selectedtoplevelcategory = get_user_preferences('block_course_overview_campus-selectedtoplevelcategory', 'all');
}
}
// Set and remember teacher filter if GET parameter is present.
if ($coc_config->teachercoursefilter == true) {
if ($param_teacher != null) {
$selectedteacher = $param_teacher;
set_user_preference('block_course_overview_campus-selectedteacher', $param_teacher);
}
// Or set teacher filter based on user preference with 'all' teachers fallback.
else {
$selectedteacher = get_user_preferences('block_course_overview_campus-selectedteacher', 'all');
}
}
// Get my courses.
$courses = block_course_overview_campus_get_my_courses();
/********************************************************************************/
/*** PROCESS MY COURSES ***/
/********************************************************************************/
// No, I don't have any courses -> content is only a placeholder message.
if (empty($courses)) {
$content = get_string('nocourses', 'block_course_overview_campus');
}
// Yes, I have courses.
else {
// Start output buffer.
ob_start();
// Get all course categories for later use.
$coursecategories = $DB->get_records('course_categories');
// Get teacher roles for later use.
if (!empty($coc_config->teacherroles)) {
$teacherroles = explode(',', $coc_config->teacherroles);
}
else {
$teacherroles = array();
}
// Create empty filter for activated filters.
if ($coc_config->termcoursefilter == true) {
$filterterms = array();
}
if ($coc_config->categorycoursefilter == true) {
$filtercategories = array();
}
if ($coc_config->toplevelcategorycoursefilter == true) {
$filtertoplevelcategories = array();
}
if ($coc_config->teachercoursefilter == true) {
$filterteachers = array();
}
// Create counter for hidden courses.
if ($coc_config->enablehidecourses) {
$hiddencoursescounter = 0;
}
// Create string to remember courses for JS processing.
$js_courseslist = ' ';
// Now iterate over my courses and collect data about them.
foreach ($courses as $c) {
// Get course context.
$context = context_course::instance($c->id);
// Collect information about my courses and populate filters with data about my courses.
// Term information.
if ($coc_config->termcoursefilter == true || $coc_config->secondrowshowtermname == true) {
// Create object for bufferung course term information.
$courseterm = new stdClass();
// If course start date is undefined, set course term to "other".
if ($c->startdate == 0) {
$courseterm->id = 'other';
$courseterm->name = get_string('other', 'block_course_overview_campus');
}
// If course start date is available, if timeless courses are enabled and if course start date is before.
// timeless course threshold, set course term to "timeless".
else if ($coc_config->timelesscourses == true && date('Y', $c->startdate) < $coc_config->timelesscoursesthreshold) {
$courseterm->id = 'timeless';
$courseterm->name = format_string($coc_config->timelesscoursesname);
}
// If course start date is available, distinguish between term modes.
// "Academic year" mode.
else if ($coc_config->termmode == 1) {
// Prepare date information.
$coursestartyday = usergetdate($c->startdate)['yday'];
$coursestartyear = usergetdate($c->startdate)['year'];
$term1startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term1startday)[0], explode('-', $coc_config->term1startday)[1]))['yday'];
// If term starts on January 1st, set course term to course start date's year.
if ($coc_config->term1startday == '01-01') {
$courseterm->id = $coursestartyear;
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term1name, $coursestartyear);
}
// If term doesn't start on January 1st and course start date's day comes on or after term start day,
// set course term to course start date's year + next year.
else if ($coursestartyday >= $term1startyday) {
$courseterm->id = $coursestartyear.'-'.($coursestartyear + 1);
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term1name, $coursestartyear, ($coursestartyear + 1));
}
// If term doesn't start on January 1st and course start date's day comes before term start day,
// set course term to course start date's year + former year.
else {
$courseterm->id = ($coursestartyear - 1).'-'.$coursestartyear;
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term1name, ($coursestartyear - 1), $coursestartyear);
}
}
// "Semester" mode.
else if ($coc_config->termmode == 2) {
// Prepare date information.
$coursestartyday = usergetdate($c->startdate)['yday'];
$coursestartyear = usergetdate($c->startdate)['year'];
$term1startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term1startday)[0], explode('-', $coc_config->term1startday)[1]))['yday'];
$term2startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term2startday)[0], explode('-', $coc_config->term2startday)[1]))['yday'];
// If course start date's day comes before first term start day,
// set course term to second term of former year.
if ($coursestartyday < $term1startyday) {
$courseterm->id = ($coursestartyear - 1).'-2';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term2name, ($coursestartyear - 1), $coursestartyear);
}
// If course start date's day comes on or after first term start day but before second term start day,
// set course term to first term of current year.
else if ($coursestartyday >= $term1startyday && $coursestartyday < $term2startyday) {
$courseterm->id = $coursestartyear.'-1';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term1name, $coursestartyear);
}
// If course start date's day comes on or after second term start day,
// set course term to second term of current year.
else {
$courseterm->id = $coursestartyear.'-2';
// If first term does start on January 1st, suffix name with single year,
// otherwise suffix name with double year.
if ($coc_config->term1startday == '01-01') {
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term2name, $coursestartyear);
} else {
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term2name, $coursestartyear, ($coursestartyear + 1));
}
}
}
// "Tertial" mode.
else if ($coc_config->termmode == 3) {
// Prepare date information.
$coursestartyday = usergetdate($c->startdate)['yday'];
$coursestartyear = usergetdate($c->startdate)['year'];
$term1startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term1startday)[0], explode('-', $coc_config->term1startday)[1]))['yday'];
$term2startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term2startday)[0], explode('-', $coc_config->term2startday)[1]))['yday'];
$term3startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term3startday)[0], explode('-', $coc_config->term3startday)[1]))['yday'];
// If course start date's day comes before first term start day,
// set course term to third term of former year.
if ($coursestartyday < $term1startyday) {
$courseterm->id = ($coursestartyear - 1).'-3';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term3name, ($coursestartyear - 1), $coursestartyear);
}
// If course start date's day comes on or after first term start day but before second term start day,
// set course term to first term of current year.
else if ($coursestartyday >= $term1startyday && $coursestartyday < $term2startyday) {
$courseterm->id = $coursestartyear.'-1';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term1name, $coursestartyear);
}
// If course start date's day comes on or after second term start day but before third term start day,
// set course term to second term of current year.
else if ($coursestartyday >= $term2startyday && $coursestartyday < $term3startyday) {
$courseterm->id = $coursestartyear.'-2';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term2name, $coursestartyear);
}
// If course start date's day comes on or after third term start day,
// set course term to third term of current year.
else {
$courseterm->id = $coursestartyear.'-3';
// If first term does start on January 1st, suffix name with single year,
// otherwise suffix name with double year.
if ($coc_config->term1startday == '01-01') {
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term3name, $coursestartyear);
} else {
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term3name, $coursestartyear, ($coursestartyear + 1));
}
}
}
// "Trimester" mode.
else if ($coc_config->termmode == 4) {
// Prepare date information.
$coursestartyday = usergetdate($c->startdate)['yday'];
$coursestartyear = usergetdate($c->startdate)['year'];
$term1startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term1startday)[0], explode('-', $coc_config->term1startday)[1]))['yday'];
$term2startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term2startday)[0], explode('-', $coc_config->term2startday)[1]))['yday'];
$term3startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term3startday)[0], explode('-', $coc_config->term3startday)[1]))['yday'];
$term4startyday = usergetdate(make_timestamp($coursestartyear, explode('-', $coc_config->term4startday)[0], explode('-', $coc_config->term4startday)[1]))['yday'];
// If course start date's day comes before first term start day,
// set course term to fourth term of former year.
if ($coursestartyday < $term1startyday) {
$courseterm->id = ($coursestartyear - 1).'-4';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term4name, ($coursestartyear - 1), $coursestartyear);
}
// If course start date's day comes on or after first term start day but before second term start day,
// set course term to first term of current year.
else if ($coursestartyday >= $term1startyday && $coursestartyday < $term2startyday) {
$courseterm->id = $coursestartyear.'-1';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term1name, $coursestartyear);
}
// If course start date's day comes on or after second term start day but before third term start day,
// set course term to second term of current year.
else if ($coursestartyday >= $term2startyday && $coursestartyday < $term3startyday) {
$courseterm->id = $coursestartyear.'-2';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term2name, $coursestartyear);
}
// If course start date's day comes on or after third term start day but before fourth term start day,
// set course term to third term of current year.
else if ($coursestartyday >= $term3startyday && $coursestartyday < $term4startyday) {
$courseterm->id = $coursestartyear.'-3';
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term3name, $coursestartyear);
}
// If course start date's day comes on or after fourth term start day,
// set course term to fourth term of current year.
else {
$courseterm->id = $coursestartyear.'-4';
// If first term does start on January 1st, suffix name with single year,
// otherwise suffix name with double year.
if ($coc_config->term1startday == '01-01') {
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term4name, $coursestartyear);
} else {
$courseterm->name = block_course_overview_campus_get_term_displayname($coc_config->term4name, $coursestartyear, ($coursestartyear + 1));
}
}
}
// This should never happen.
else {
print_error('error');
}
// Remember course term for later use.
$c->term = $courseterm->id;
$c->termname = format_string($courseterm->name);
}
// Term filter.
if ($coc_config->termcoursefilter == true) {
// Add course term to filter list.
$filterterms[$courseterm->id] = $courseterm->name;
}
// Parent category information.
if ($coc_config->categorycoursefilter == true ||
$coc_config->secondrowshowcategoryname == true ||
$coc_config->toplevelcategorycoursefilter == true ||
$coc_config->secondrowshowtoplevelcategoryname == true) {
// Get course parent category name from array of all category names.
$coursecategory = $coursecategories[$c->category];
// Remember course parent category name for later use.
$c->categoryname = format_string($coursecategory->name);
$c->categoryid = $coursecategory->id;
// Get course top level category name from array of all category names.
$coursecategorypath = explode('/', $coursecategory->path);
$coursetoplevelcategoryid = $coursecategorypath[1];
$coursetoplevelcategory = $coursecategories[$coursetoplevelcategoryid];
// Remember course top level category name for later use.
$c->toplevelcategoryname = format_string($coursetoplevelcategory->name);
$c->toplevelcategoryid = $coursetoplevelcategory->id;
}
// Parent category filter.
if ($coc_config->categorycoursefilter == true) {
// Merge homonymous categories into one category if configured.
if ($coc_config->mergehomonymouscategories == true) {
// Check if course category name is already present in the category filter array.
if ($othercategoryid = array_search($c->categoryname, $filtercategories)) {
// If yes and if course category is different than the already present category (same name,
// but different id), modify course category id to equal the already present category id
// (poor hack, but functional).
if ($othercategoryid != $c->categoryid) {
$c->categoryid = $othercategoryid;
}
}
}
// Add course parent category name to filter list.
$filtercategories[$c->categoryid] = $c->categoryname;
}
// Top level category filter.
if ($coc_config->toplevelcategorycoursefilter == true) {
// Add course top level category name to filter list.
$filtertoplevelcategories[$c->toplevelcategoryid] = $c->toplevelcategoryname;
}
// Teacher information.
if ($coc_config->teachercoursefilter == true || $coc_config->secondrowshowteachername == true || $coc_config->prioritizemyteachedcourses == true) {
// Get course teachers based on global teacher roles.
if (count($teacherroles) > 0) {
// Get all user name fields for SQL query in a proper way.
$allnames = get_all_user_name_fields(true, 'u');
$teacherfields = 'ra.id AS raid, u.id, '.$allnames.', r.sortorder'; // Moodle would complain about two columns called id with a "Did you remember to make the first column something unique in your call to get_records? Duplicate value 'xxx' found in column 'id'." debug message. That's why we alias one column to a name different than id.
$teachersortfields = 'u.lastname, u.firstname';
// Check if we have to check for suspended teachers.
if ($coc_config->teacherroleshidesuspended == 1) {
// Build extra where clause for SQL query.
$now = round(time(), -2); // Improves db caching.
$extrawhere = 'ue.status = '.ENROL_USER_ACTIVE.' AND e.status = '.ENROL_INSTANCE_ENABLED.' AND ue.timestart < '.$now.' AND (ue.timeend = 0 OR ue.timeend > '.$now.')';
} else {
$extrawhere = '';
}
// Check if we have to include teacher roles from parent contexts.
// If yes.
if ($coc_config->teacherrolesparent == 1) {
// If we have to check for suspended teachers.
if ($coc_config->teacherroleshidesuspended == 1) {
$courseteachers = get_role_users($teacherroles, $context, true,
$teacherfields, $teachersortfields, false, '', '', '', $extrawhere);
} else {
$courseteachers = get_role_users($teacherroles, $context, true,
$teacherfields, $teachersortfields);
}
}
// If no.
else if ($coc_config->teacherrolesparent == 2) {
// If we have to check for suspended teachers.
if ($coc_config->teacherroleshidesuspended == 1) {
$courseteachers = get_role_users($teacherroles, $context, false,
$teacherfields, $teachersortfields, false, '', '', '', $extrawhere);
} else {
$courseteachers = get_role_users($teacherroles, $context, false,
$teacherfields, $teachersortfields);
}
}
// If depending on moodle/course:reviewotherusers capability.
else if ($coc_config->teacherrolesparent == 3) {
// If we have to check for suspended teachers.
$hasreviewotherscapability = has_capability('moodle/course:reviewotherusers', $context);
if ($coc_config->teacherroleshidesuspended == 1) {
$courseteachers = get_role_users($teacherroles, $context, $hasreviewotherscapability,
$teacherfields, $teachersortfields, false, '', '', '', $extrawhere);
} else {
$courseteachers = get_role_users($teacherroles, $context, $hasreviewotherscapability,
$teacherfields, $teachersortfields);
}
}
// Should not happen.
else {
$courseteachers = get_role_users($teacherroles, $context, true, $teacherfields,
$teachersortfields);
}
} else {
$courseteachers = array();
}
// The way we use get_role_users(), the teachers array may now contain duplicates as a teacher might have more
// than one role in a course and is indexed by ra.id instead of u.id (which we expect later).
// We will rewrite the array in reverse order indexed by userid, this way existing teachers will be eliminated
// by their own duplicate with higher relevance.
$courseteacherstmp = $courseteachers;
$courseteachers = [];
foreach (array_reverse($courseteacherstmp) as $teacher) {
$courseteachers[$teacher->id] = $teacher;
}
// Remember course teachers for later use.
$c->teachers = $courseteachers;
}
// Teacher filter.
if ($coc_config->teachercoursefilter == true) {
// Add all course teacher's names to filter list.
if ($coc_config->teachercoursefilter == true) {
foreach ($courseteachers as $ct) {
$filterteachers[$ct->id] = $ct->lastname.', '.$ct->firstname;
}
}
}
// Check if this course is hidden according to the hide courses feature.
if ($coc_config->enablehidecourses == true) {
$courses[$c->id]->hidecourse = block_course_overview_campus_course_hidden_by_hidecourses($c);
// Increase counter for hidden courses management.
if ($courses[$c->id]->hidecourse == true) {
$hiddencoursescounter++;
}
}
// Check if this course is hidden according to the term course filter.
if ($coc_config->termcoursefilter == true) {
$courses[$c->id]->termcoursefiltered = block_course_overview_campus_course_hidden_by_termcoursefilter($c, $selectedterm);
}
// Check if this course is hidden according to the parent category course filter.
if ($coc_config->categorycoursefilter == true) {
$courses[$c->id]->categorycoursefiltered = block_course_overview_campus_course_hidden_by_categorycoursefilter($c, $selectedcategory);
}
// Check if this course is hidden according to the top level category course filter.
if ($coc_config->toplevelcategorycoursefilter == true) {
$courses[$c->id]->toplevelcategorycoursefiltered = block_course_overview_campus_course_hidden_by_toplevelcategorycoursefilter($c, $selectedtoplevelcategory);
}
// Check if this course is hidden according to the teacher course filter.
if ($coc_config->teachercoursefilter == true) {
$courses[$c->id]->teachercoursefiltered = block_course_overview_campus_course_hidden_by_teachercoursefilter($c, $selectedteacher);
}
// Re-sort courses to list courses in which I have a teacher role first if configured:
// First step: Removing the courses.
if ($coc_config->prioritizemyteachedcourses) {
// Check if user is teacher in this course.
if (array_key_exists($USER->id, $courseteachers)) {
// Remember the course.
$myteachercourses[] = $c;
// Remove the course from the courses array.
unset($courses[$c->id]);
}
}
}
// Re-sort courses to list courses in which I have a teacher role first if configured:
// Last step: Adding the courses again.
if ($coc_config->prioritizemyteachedcourses && isset ($myteachercourses) && count($myteachercourses) > 0) {
// Add the courses again at the beginning of the courses array.
$courses = $myteachercourses + $courses;
}
// Replace and remember currentterm placeholder with precise term based on my courses.
if ($coc_config->termcoursefilter == true && $selectedterm == 'currentterm') {
// Distinguish between term modes.
// "Academic year" mode.
if ($coc_config->termmode == '1') {
// If term starts on January 1st and there are courses this year,
// set selected term to this year.
if ($coc_config->term1startday == '1' && isset($filterterms[date('Y')])) {
$selectedterm = date('Y');
}
// If term doesn't start on January 1st and current day comes on or after term start day and there are courses
// this term, set selected term to this year + next year.
else if (intval(date('z')) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) &&
isset($filterterms[date('Y').'-'.(date('Y') + 1)])) {
$selectedterm = date('Y').'-'.(date('Y') + 1);
}
// If term doesn't start on January 1st and current day comes before term start day and there are courses
// this term, set selected term to this year + former year.
else if (isset($filterterms[(date('Y') - 1).'-'.date('Y')])) {
$selectedterm = (date('Y') - 1).'-'.date('Y');
}
// Otherwise set selected term to the latest (but not future) term possible.
else {
$selectedterm = 'all';
arsort($filterterms);
foreach ($filterterms as $t) {
if ($t != 'other' && $t != 'timeless' && intval(substr($t, 0, 4)) <= intval(date('Y'))) {
$selectedterm = $t;
break;
}
}
}
}
// "Semester" mode.
else if ($coc_config->termmode == '2') {
// If current day comes before first term start day and there are courses this term,
// set selected term to second term of former year.
if (intval(date('z')) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) && isset($filterterms[(date('Y') - 1).'-2'])) {
$selectedterm = (date('Y') - 1).'-2';
}
// If current day comes on or after first term start day but before second term start day and there are courses
// this term, set selected term to first term of current year.
else if (intval(date('z', $c->startdate)) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) &&
intval(date('z', $c->startdate)) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term2startday))) &&
isset($filterterms[date('Y').'-1'])) {
$selectedterm = date('Y').'-1';
}
// If course start date's day comes on or after second term start day and there are courses this term,
// set selected term to second term of current year.
else if (isset($filterterms[date('Y').'-2'])) {
$selectedterm = date('Y').'-2';
}
// Otherwise set selected term to the latest (but not future) term possible.
else {
$selectedterm = 'all';
krsort($filterterms);
foreach ($filterterms as $t => $n) {
if ($t != 'other' && $t != 'timeless' && intval(substr($t, 0, 4)) <= intval(date('Y'))) {
$selectedterm = $t;
break;
}
}
}
}
// "Tertial" mode.
else if ($coc_config->termmode == '3') {
// If current day comes before first term start day and there are courses this term,
// set selected term to third term of former year.
if (intval(date('z')) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) &&
isset($filterterms[(date('Y') - 1).'-3'])) {
$selectedterm = (date('Y') - 1).'-2';
}
// If current day comes on or after first term start day but before second term start day and there are courses
// this term, set selected term to first term of current year.
else if (intval(date('z', $c->startdate)) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) &&
intval(date('z', $c->startdate)) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term2startday))) &&
isset($filterterms[date('Y').'-1'])) {
$selectedterm = date('Y').'-1';
}
// If current day comes on or after second term start day but before third term start day and there are courses
// this term, set selected term to second term of current year.
else if (intval(date('z', $c->startdate)) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term2startday))) &&
intval(date('z', $c->startdate)) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term3startday))) &&
isset($filterterms[date('Y').'-2'])) {
$selectedterm = date('Y').'-2';
}
// If course start date's day comes on or after third term start day and there are courses this term,
// set selected term to third term of current year.
else if (isset($filterterms[date('Y').'-3'])) {
$selectedterm = date('Y').'-3';
}
// Otherwise set selected term to the latest (but not future) term possible.
else {
$selectedterm = 'all';
krsort($filterterms);
foreach ($filterterms as $t => $n) {
if ($t != 'other' && $t != 'timeless' && intval(substr($t, 0, 4)) <= intval(date('Y'))) {
$selectedterm = $t;
break;
}
}
}
}
// "Trimester" mode.
else if ($coc_config->termmode == '4') {
// If current day comes before first term start day and there are courses this term,
// set selected term to fourth term of former year.
if (intval(date('z')) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) &&
isset($filterterms[(date('Y') - 1).'-4'])) {
$selectedterm = (date('Y') - 1).'-2';
}
// If current day comes on or after first term start day but before second term start day and there are courses
// this term, set selected term to first term of current year.
else if (intval(date('z', $c->startdate)) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term1startday))) &&
intval(date('z', $c->startdate)) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term2startday))) &&
isset($filterterms[date('Y').'-1'])) {
$selectedterm = date('Y').'-1';
}
// If current day comes on or after second term start day but before third term start day and there are courses
// this term, set selected term to second term of current year.
else if (intval(date('z', $c->startdate)) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term2startday))) &&
intval(date('z', $c->startdate)) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term3startday))) &&
isset($filterterms[date('Y').'-2'])) {
$selectedterm = date('Y').'-2';
}
// If current day comes on or after third term start day but before fourth term start day and there are courses
// this term, set selected term to third term of current year.
else if (intval(date('z', $c->startdate)) >= intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term3startday))) &&
intval(date('z', $c->startdate)) < intval(date('z', strtotime(date('Y', $c->startdate).'-'.$coc_config->term4startday))) &&
isset($filterterms[date('Y').'-3'])) {
$selectedterm = date('Y').'-3';
}
// If course start date's day comes on or after fourth term start day and there are courses this term,
// set selected term to fourth term of current year.
else if (isset($filterterms[date('Y').'-4'])) {
$selectedterm = date('Y').'-4';
}
// Otherwise set selected term to the latest (but not future) term possible.
else {
$selectedterm = 'all';
krsort($filterterms);
foreach ($filterterms as $t => $n) {
if ($t != 'other' && $t != 'timeless' && intval(substr($t, 0, 4)) <= intval(date('Y'))) {
$selectedterm = $t;
break;
}
}
}
}
// This should never happen.
else {
print_error('error');
}
// Remember selected term.
set_user_preference('block_course_overview_campus-selectedterm', $selectedterm);
}
/********************************************************************************/
/*** GENERATE OUTPUT FOR FILTER ***/
/********************************************************************************/
// Show filter form if any filter is activated and if hidden courses management isn't active.
if ((!$coc_config->enablehidecourses || $param_manage == 0) && ($coc_config->categorycoursefilter == true || $coc_config->toplevelcategorycoursefilter == true || $coc_config->termcoursefilter == true || $coc_config->teachercoursefilter == true)) {
// Calculate CSS class for filter divs.
$filtercount = 0;
if ($coc_config->termcoursefilter == true) {
$filtercount++;
}
if ($coc_config->teachercoursefilter == true) {
$filtercount++;
}
if ($coc_config->categorycoursefilter == true) {
$filtercount++;
}
if ($coc_config->toplevelcategorycoursefilter == true) {
$filtercount++;
}
if ($filtercount == 1) {
$filterwidth = 'span12 col-md-12'; // Class 'span12' is used for Bootstrapbase and will be ignored by Boost.
} else if ($filtercount == 2) {
$filterwidth = 'span6 col-md-6'; // Class 'span6' is used for Bootstrapbase and will be ignored by Boost.
} else if ($filtercount == 3) {
$filterwidth = 'span4 col-md-4'; // Class 'span4' is used for Bootstrapbase and will be ignored by Boost.
} else if ($filtercount == 4) {
$filterwidth = 'span3 col-md-6 col-lg-3'; // Class 'span3' is used for Bootstrapbase and will be ignored by Boost.
} else {
$filterwidth = 'span12 col-md-12'; // Class 'span12' is used for Bootstrapbase and will be ignored by Boost.
}
// Start form.
echo '<form method="post" action="">';
// Start section.
echo '<div id="coc-filterlist" class="container-fluid"><div class="row">';
// Show term filter.
if ($coc_config->termcoursefilter == true) {
echo '<div class="coc-filter '.$filterwidth.' mb-3">';
// Show filter description.
if ($coc_config->termcoursefilterdisplayname != '') {
echo '<label for="coc-filterterm">'.format_string($coc_config->termcoursefilterdisplayname).'</label>';
}
// Show filter widget.
echo '<select name="coc-term" id="coc-filterterm" class="input-block-level form-control">'; // Class 'input-block-level' is used for Bootstrapbase and will be ignored by Boost.
// Remember in this variable if selected term was displayed or not.
$selectedtermdisplayed = false;
// Sort term filter alphabetically in reverse order.
krsort($filterterms);
// Print "All terms" option.
if ($selectedterm == 'all') {
echo '<option value="all" selected>'.get_string('all', 'block_course_overview_campus').'</option> ';
$selectedtermdisplayed = true;
} else {
echo '<option value="all">'.get_string('all', 'block_course_overview_campus').'</option> ';
}
// Print each term in filter as an option item and select selected term.
foreach ($filterterms as $t => $n) {
// If iterated term is selected term.
if ($selectedterm == $t) {
// Handle "other" term option.
if ($selectedterm == 'other') {
echo '<option selected value="other">'.get_string('other', 'block_course_overview_campus').'</option> ';
$selectedtermdisplayed = true;
}
// Handle "timeless" term option.
else if ($selectedterm == 'timeless') {
echo '<option selected value="timeless">'.format_string($coc_config->timelesscoursesname).'</option> ';
$selectedtermdisplayed = true;
} else {
echo '<option selected value="'.$t.'">'.format_string($n).'</option> ';
$selectedtermdisplayed = true;
}
}
// If iterated term isn't selected term.
else {
// Handle "other" term option.
if ($t == 'other') {
echo '<option value="other">'.get_string('other', 'block_course_overview_campus').'</option> ';
}
// Handle "timeless" term option.
else if ($t == 'timeless') {
echo '<option value="timeless">'.format_string($coc_config->timelesscoursesname).'</option> ';
} else {
echo '<option value="'.$t.'">'.format_string($n).'</option> ';
}
}
}
echo '</select>';
// If selected term couldn't be displayed, select all terms and save the new selection.
// In this case, no option item is marked as selected, but that's ok as the "all" item is at the top.
if (!$selectedtermdisplayed) {
$selectedterm = 'all';
set_user_preference('block_course_overview_campus-selectedterm', $selectedterm);
}
echo '</div>';
}
// Show top level category filter.
if ($coc_config->toplevelcategorycoursefilter == true) {
echo '<div class="coc-filter '.$filterwidth.' mb-3">';
// Show filter description.
if ($coc_config->toplevelcategorycoursefilterdisplayname != '') {
echo '<label for="coc-filtertoplevelcategory">'.format_string($coc_config->toplevelcategorycoursefilterdisplayname).'</label>';
}
// Show filter widget.
echo '<select name="coc-toplevelcategory" id="coc-filtertoplevelcategory" class="input-block-level form-control">'; // class 'input-block-level' is used for Bootstrapbase and will be ignored by Boost.
// Remember in this variable if selected top level category was displayed or not.
$selectedtoplevelcategorydisplayed = false;
// Sort top level category filter by category sort order.
// Fetch full category information for each category.
foreach ($filtertoplevelcategories as $ftl_key => $ftl_value) {
$filtertoplevelcategoriesfullinfo[] = $coursecategories[$ftl_key];
}
// Sort full category information array by sortorder.
$success = usort($filtertoplevelcategoriesfullinfo, "block_course_overview_campus_compare_categories");
// If sorting was successful, create new array with same data structure like the old one.
// Otherwise just leave the old array as it is (should not happen).
if ($success) {
$filtertoplevelcategories = array();
foreach ($filtertoplevelcategoriesfullinfo as $ftl) {
$filtertoplevelcategories[$ftl->id] = format_string($ftl->name);
}
}
// Print "All categories" option.
if ($selectedtoplevelcategory == 'all') {
echo '<option value="all" selected>'.get_string('all', 'block_course_overview_campus').'</option> ';
$selectedtoplevelcategorydisplayed = true;
} else {
echo '<option value="all">'.get_string('all', 'block_course_overview_campus').'</option> ';
}
// Print each top level category in filter as an option item and select selected top level category.
foreach ($filtertoplevelcategories as $value => $cat) {
// If iterated top level category is selected top level category.
if ($selectedtoplevelcategory == $value) {
echo '<option selected value="'.$value.'">'.$cat.'</option> ';
$selectedtoplevelcategorydisplayed = true;
}
// If iterated top level category isn't selected top level category.
else {
echo '<option value="'.$value.'">'.$cat.'</option> ';
}
}
echo '</select>';
// If selected top level category couldn't be displayed, select all categories and save the new selection.
// In this case, no option item is marked as selected, but that's ok as the "all" item is at the top.
if (!$selectedtoplevelcategorydisplayed) {
$selectedtoplevelcategory = 'all';
set_user_preference('block_course_overview_campus-selectedtoplevelcategory', $selectedtoplevelcategory);
}
echo '</div>';
}
// Show parent category filter.
if ($coc_config->categorycoursefilter == true) {
echo '<div class="coc-filter '.$filterwidth.' mb-3">';
// Show filter description.
if ($coc_config->categorycoursefilterdisplayname != '') {
echo '<label for="coc-filtercategory">'.format_string($coc_config->categorycoursefilterdisplayname).'</label>';
}
// Show filter widget.
echo '<select name="coc-category" id="coc-filtercategory" class="input-block-level form-control">'; // Class 'input-block-level' is used for Bootstrapbase and will be ignored by Boost.
// Remember in this variable if selected parent category was displayed or not.
$selectedcategorydisplayed = false;
// Sort parent category filter alphabetically.
natcasesort($filtercategories);
// Print "All categories" option.
if ($selectedcategory == 'all') {
echo '<option value="all" selected>'.get_string('all', 'block_course_overview_campus').'</option> ';
$selectedcategorydisplayed = true;
} else {
echo '<option value="all">'.get_string('all', 'block_course_overview_campus').'</option> ';
}
// Print each parent category in filter as an option item and select selected parent category.
foreach ($filtercategories as $value => $cat) {
// If iterated parent category is selected parent category.
if ($selectedcategory == $value) {
echo '<option selected value="'.$value.'">'.$cat.'</option> ';
$selectedcategorydisplayed = true;
}
// If iterated parent category isn't selected parent category.
else {
echo '<option value="'.$value.'">'.$cat.'</option> ';
}
}
echo '</select>';