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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/>.
/**
* Strings for component 'report_coursestats', language 'en'
*
* @package report
* @subpackage coursestats
* @copyright 2017 Paulo Jr.
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require(dirname(__FILE__).'/../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require(__DIR__. '/constants.php');
admin_externalpage_setup('reportcoursestats', '', null, '', array('pagelayout'=>'report'));
function get_amount_created_courses($category) {
global $DB;
if ($category == ALL_CATEGORIES) {
return ($DB->count_records(COURSE_TABLE_NAME,
array('visible'=>'1')) - 1);
} else {
return $DB->count_records(COURSE_TABLE_NAME,
array('visible'=>'1', 'category'=>$category));
}
}
function get_amount_used_courses($category) {
global $DB;
if ($category == ALL_CATEGORIES) {
return $DB->count_records_sql('SELECT COUNT(*) FROM {report_coursestats} cs JOIN {course} co ON co.id = cs.courseid WHERE co.visible = :visible',
array('visible'=>'1'));
} else {
return $DB->count_records_sql('SELECT COUNT(*) FROM {report_coursestats} cs JOIN {course} co ON co.id = cs.courseid WHERE co.category = :cat AND co.visible = :visible',
array('cat'=>$category, 'visible'=>'1'));
}
}
echo $OUTPUT->header();
$result = $DB->get_records(COURSE_CATEGORIES_TABLE_NAME, null, 'name');
$table = new html_table();
$table->size = array( '60%', '10%', '10%', '10%', '10%');
$table->head = array(get_string('lb_category', 'report_coursestats'), get_string('lb_courses_created_amount', 'report_coursestats'),
get_string('lb_used_courses', 'report_coursestats'), get_string('lb_not_used_courses', 'report_coursestats'), get_string('lb_percent_of_used_courses', 'report_coursestats'));
// All categories
$link = '<a href=' . $CFG->wwwroot . '/report/coursestats/main.php?category=' . ALL_CATEGORIES . '>' .
get_string('lb_all_categories', 'report_coursestats') . '</a>';
$co_created = get_amount_created_courses(ALL_CATEGORIES);
$co_used = get_amount_used_courses(ALL_CATEGORIES);
if ($co_created > 0) {
$co_percent = number_format(($co_used / $co_created) * 100, 2) . '%';
} else {
$co_percent = '-';
}
$link_co_created = '<a href=' . $CFG->wwwroot . '/report/coursestats/courses.php?type=' . CREATED_COURSES . '&category=' . ALL_CATEGORIES . '>' .
$co_created . '</a>';
$link_co_used = '<a href=' . $CFG->wwwroot . '/report/coursestats/courses.php?type=' . USED_COURSES . '&category=' . ALL_CATEGORIES . '>' .
$co_used . '</a>';
$link_co_notused = '<a href=' . $CFG->wwwroot . '/report/coursestats/courses.php?type=' . NOTUSED_COURSES . '&category=' . ALL_CATEGORIES . '>' .
($co_created - $co_used) . '</a>';
$table->data[] = array($link, $link_co_created, $link_co_used, $link_co_notused, $co_percent);
// Each category
$cat_array = array();
$created_courses_array = array();
$used_courses_array = array();
$percentage_used_courses_array = array();
foreach ($result as $cs) {
$co_created = get_amount_created_courses($cs->id);
$co_used = get_amount_used_courses($cs->id);
$cat_array[] = $cs->name;
$created_courses_array[] = $co_created;
$used_courses_array[] = $co_used;
if ($co_created > 0) {
$co_percent = number_format(($co_used / $co_created) * 100, 2) . '%';
$percentage_used_courses_array[] = number_format(($co_used / $co_created) * 100, 2);
} else {
$co_percent = '-';
$percentage_used_courses_array[] = 0;
}
$catfullname = $cs->name;
// check if category has parent
if ($cs->depth == 2) {
$parents = explode("/", $cs->path);
$id = $parents[count($parents) - 2];
$temp = $DB->get_record(COURSE_CATEGORIES_TABLE_NAME, ['id' => $id]);
$catfullname = $temp->name . ' -> ' . $catfullname;
}
$link = '<a href=' . $CFG->wwwroot . '/report/coursestats/main.php?category=' . $cs->id . '>' . $catfullname . '</a>';
$link_co_created = '<a href=' . $CFG->wwwroot . '/report/coursestats/courses.php?type=' . CREATED_COURSES . '&category=' . $cs->id . '>' .
$co_created . '</a>';
$link_co_used = '<a href=' . $CFG->wwwroot . '/report/coursestats/courses.php?type=' . USED_COURSES . '&category=' . $cs->id . '>' .
$co_used . '</a>';
$link_co_notused = '<a href=' . $CFG->wwwroot . '/report/coursestats/courses.php?type=' . NOTUSED_COURSES . '&category=' . $cs->id . '>' .
($co_created - $co_used) . '</a>';
$row = array($link, $link_co_created, $link_co_used, $link_co_notused, $co_percent);
$table->data[] = $row;
}
if (class_exists('core\chart_bar')) {
$chart_stacked = new core\chart_bar();
$created_courses_serie = new core\chart_series(get_string('lb_courses_created_amount', 'report_coursestats'), $created_courses_array);
$used_courses_serie = new core\chart_series(get_string('lb_used_courses', 'report_coursestats'), $used_courses_array);
$percentage_used_courses_serie = new core\chart_series(get_string('lb_percent_of_used_courses', 'report_coursestats'), $percentage_used_courses_array);
$percentage_used_courses_serie->set_type(\core\chart_series::TYPE_LINE);
$chart_stacked->add_series($percentage_used_courses_serie);
$chart_stacked->add_series($created_courses_serie);
$chart_stacked->add_series($used_courses_serie);
$chart_stacked->set_labels($cat_array);
echo $OUTPUT->render_chart($chart_stacked, false);
}
$url_csv = new moodle_url($CFG->wwwroot . '/report/coursestats/csvgen.php');
$link_csv = html_writer::link($url_csv, get_string('link_csv', 'report_coursestats'));
echo '<p align="center">' . $link_csv . '</p>';
echo html_writer::table($table);
echo $OUTPUT->footer();