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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/>.
/**
* Courses analyser working at course level (insights for the course teachers).
*
* @package core
* @copyright 2017 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\analytics\analyser;
defined('MOODLE_INTERNAL') || die();
/**
* Courses analyser working at course level (insights for the course teachers).
*
* @package core
* @copyright 2017 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class courses extends \core_analytics\local\analyser\by_course {
/**
* Samples origin is course table.
*
* @return string
*/
public function get_samples_origin() {
return 'course';
}
/**
* Just one sample per analysable.
*
* @return bool
*/
public static function one_sample_per_analysable() {
return true;
}
/**
* Returns the analysable of a sample
*
* @param int $sampleid
* @return \core_analytics\analysable
*/
public function get_sample_analysable($sampleid) {
return \core_analytics\course::instance($sampleid);
}
/**
* This provides samples' course and context.
*
* @return string[]
*/
protected function provided_sample_data() {
return array('course', 'context');
}
/**
* Returns the context of a sample.
*
* @param int $sampleid
* @return \context
*/
public function sample_access_context($sampleid) {
return \context_course::instance($sampleid);
}
/**
* This will return just one course as we analyse 'by_course'.
*
* @param \core_analytics\analysable $course
* @return array
*/
public function get_all_samples(\core_analytics\analysable $course) {
$context = \context_course::instance($course->get_id());
// Just 1 sample per analysable.
return array(
array($course->get_id() => $course->get_id()),
array($course->get_id() => array('course' => $course->get_course_data(), 'context' => $context))
);
}
/**
* Returns samples data from sample ids.
*
* @param int[] $sampleids
* @return array
*/
public function get_samples($sampleids) {
global $DB;
list($sql, $params) = $DB->get_in_or_equal($sampleids, SQL_PARAMS_NAMED);
$courses = $DB->get_records_select('course', "id $sql", $params);
$courseids = array_keys($courses);
$sampleids = array_combine($courseids, $courseids);
$courses = array_map(function($course) {
return array('course' => $course, 'context' => \context_course::instance($course->id));
}, $courses);
// No related data attached.
return array($sampleids, $courses);
}
/**
* Returns the sample description
*
* @param int $sampleid
* @param int $contextid
* @param array $sampledata
* @return array array(string, \renderable)
*/
public function sample_description($sampleid, $contextid, $sampledata) {
$description = format_string(
get_course_display_name_for_list($sampledata['course']), true, array('context' => $sampledata['context']));
$courseimage = new \pix_icon('i/course', get_string('course'));
return array($description, $courseimage);
}
}