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<?php
defined('MOODLE_INTERNAL') || die();
use core_completion\progress;
global $CFG;
require_once $CFG->libdir . '/externallib.php';
require_once $CFG->dirroot . '/course/classes/category.php';
require_once $CFG->dirroot . '/blocks/moodleblock.class.php';
require_once $CFG->dirroot . '/blocks/course_list/block_course_list.php';
class block_cursos_catalogo_ajax_external extends \external_api
{
public static function enrolar_usuario_cursos_catalogo_parameters()
{
return new \external_function_parameters([
'courseid' => new \external_value(PARAM_INT, 'ID del curso', VALUE_DEFAULT, 0)
]);
}
public static function enrolar_usuario_cursos_catalogo($courseid)
{
global $USER, $DB, $CFG;
$userid = $USER->id;
$course = get_course($courseid);
$enrol = false;
if (! $course) {
return json_encode([
'success' => false,
'data' => 'No existe el curso'
]);
}
$enrolmethod = 'self';
$instance = $DB->get_record('enrol', [
'courseid' => $course->id,
'enrol' => $enrolmethod,
'status' => 0
]);
if (! $instance) {
return json_encode([
'success' => false,
'data' => 'El curso no permite auto inscribirse'
]);
}
try {
$user = $DB->get_record('user', [
'id' => $userid
]);
$role = $DB->get_record('role', array(
'archetype' => 'student'
));
$context = context_course::instance($course->id);
$context = context_course::instance($course->id);
if (is_enrolled($context, $user)) {
return json_encode([
'success' => true
]);
} else {
$enrol = enrol_get_plugin($enrolmethod);
if ($enrol === null) {
return false;
}
$instances = enrol_get_instances($course->id, true);
$manualinstance = null;
foreach ($instances as $instance) {
if ($instance->name == $enrolmethod) {
$manualinstance = $instance;
break;
}
}
if ($manualinstance !== null) {
$instanceid = $enrol->add_default_instance($course);
if ($instanceid === null) {
$instanceid = $enrol->add_instance($course);
}
$instance = $DB->get_record('enrol', array(
'id' => $instanceid
));
}
$enrol->enrol_user($instance, $user->id, $role->id);
}
return json_encode([
'success' => true
]);
} catch (\Exception $e) {
error_log($e->getTraceAsString());
return json_encode([
'success' => false,
'data' => $e->getMessage()
]);
}
}
public static function enrolar_usuario_cursos_catalogo_returns()
{
return new \external_value(PARAM_RAW, 'The updated JSON output');
}
public static function get_cursos_catalogo_parameters()
{
return new \external_function_parameters([
'category_id' => new \external_value(PARAM_INT, 'Categoría de los Cursos', VALUE_DEFAULT, 0),
'search_text' => new \external_value(PARAM_ALPHANUM, 'Palabra de busqueda', VALUE_DEFAULT, ' '),
'page' => new \external_value(PARAM_INT, 'Número de página', VALUE_DEFAULT, 1),
'perpage' => new \external_value(PARAM_INT, 'Cursos por página', VALUE_DEFAULT, 10)
]);
}
public static function get_cursos_catalogo($category_id, $search_text, $page = 1, $perpage = 10)
{
global $USER, $DB, $CFG, $OUTPUT, $PAGE;
$params = self::validate_parameters(self::get_cursos_catalogo_parameters(), compact('category_id', 'search_text', 'page', 'perpage'));
$page = max(1, $params['page']);
$perpage = max(10, $params['perpage']);
$userid = $USER->id;
$url_noimage = $CFG->wwwroot . '/theme/' . $PAGE->theme->name . '/pix/coursenoimage.jpg';
$is_admin = false;
$admins = get_admins();
foreach ($admins as $admin) {
if ($USER->id == $admin->id) {
$is_admin = true;
break;
}
}
$all_categories = [];
$records = $DB->get_records('course_categories', [
'visible' => 1
], 'sortorder, name');
foreach ($records as $record) {
$all_categories[$record->id] = $record;
}
$categories_ids = [];
$category_filter_active = false;
if ($category_id) {
$category_filter_active = true;
$recordLevel0 = $DB->get_record('course_categories', [
'id' => $category_id
]);
if ($recordLevel0) {
array_push($categories_ids, $recordLevel0->id);
$recordsLevel1 = $DB->get_records('course_categories', [
'visible' => 1,
'parent' => $recordLevel0->id
]);
foreach ($recordsLevel1 as $recordLevel1) {
array_push($categories_ids, $recordLevel1->id);
$recordsLevel2 = $DB->get_records('course_categories', [
'visible' => 1,
'parent' => $recordLevel1->id
]);
foreach ($recordsLevel2 as $recordLevel2) {
array_push($categories_ids, $recordLevel2->id);
$recordsLevel3 = $DB->get_records('course_categories', [
'visible' => 2,
'parent' => $recordLevel2->id
]);
foreach ($recordsLevel3 as $recordLevel3) {
array_push($categories_ids, $recordLevel3->id);
}
}
}
}
}
$course_ids = [];
$course_category_ids = [];
$courseAvailableForAutoRol = [];
if ($is_admin) {
$mycourses = get_courses(); // get_courses_search($searchterms, $sort, $page, $perpage, $total_courses);
} else {
$mycourses = enrol_get_users_courses($USER->id);
$courses_with_autoenrol = $DB->get_records('enrol', [
'enrol' => 'self',
'status' => 0
]);
foreach ($courses_with_autoenrol as $course_with_autoenrol) {
$course = get_course($course_with_autoenrol->courseid);
array_push($mycourses, $course);
array_push($courseAvailableForAutoRol, $course->id);
}
}
$mycourses = array_filter($mycourses, function ($course) use ($search_text, $category_filter_active, $categories_ids) {
if (! $course->visible) {
return false;
}
if ($search_text) {
if (stripos($course->fullname, $search_text) === false) {
return false;
}
}
if ($category_filter_active) {
if (! in_array($course->category, $categories_ids)) {
return false;
}
}
return true;
});
usort($mycourses, function ($a, $b) {
if ($a->timecreated == $b->timecreated) {
return $a->fullname <=> $b->fullname;
} else {
return $a->timecreated > $b->timecreated ? -1 : 1;
}
});
/*
* $searchterms = array();
* $sort = "c.sortorder DESC";
*/
$total_courses = count($mycourses);
$total_pages = ceil($total_courses / $perpage);
if ($total_pages * $perpage < $total_courses) {
$total_pages++;
}
$page = isset($page) ? max(1, min($page, $total_pages)) : 1;
$max_links = 3;
$start_page = max(1, $page - floor($max_links / 2));
$end_page = min($total_pages, $start_page + $max_links - 1);
if ($end_page - $start_page + 1 < $max_links) {
$start_page = max(1, $end_page - $max_links + 1);
}
$start = $page == 1 ? 0 : ($page - 1) * $perpage;
$mycourses = array_slice($mycourses, $start, $perpage);
$courses = [];
/*
* foreach ($course_ids as $course_id) {
* $course = get_course($course_id);
*/
foreach ($mycourses as $course) {
if ($course instanceof stdClass) {
$coreCourseList = new core_course_list_element($course);
}
if (! in_array($course->category, $course_category_ids)) {
array_push($course_category_ids, $course->category);
}
$image = $url_noimage;
foreach ($coreCourseList->get_course_overviewfiles() as $file) {
$isimage = $file->is_valid_image();
$image = file_encode_url("{$CFG->wwwroot}/pluginfile.php", '/' . $file->get_contextid() . '/' . $file->get_component() . '/' . $file->get_filearea() . $file->get_filepath() . $file->get_filename(), ! $isimage);
if (! $isimage) {
$image = $url_noimage;
}
}
$lastaccess = null;
$sql = "select timecreated from {logstore_standard_log} where courseid = :courseid and userid = :userid order by id limit {$perpage}";
$params_a = [
'courseid' => $course->id,
'userid' => $userid
];
$timecreated = $DB->get_field_sql($sql, $params_a);
if ($timecreated) {
$lastaccess = date('d/m/Y h:i a', $timecreated);
}
$first_section = 0;
$sections = $DB->get_records('course_sections', [
'course' => $course->id
], 'section desc', 'id,name,section,sequence,visible');
foreach ($sections as $section) {
if (! empty($section->section)) {
$first_section = $section->id;
break;
}
}
$course_context = context_course::instance($course->id);
$roles = get_user_roles($course_context, $USER->id, true);
if (has_capability('moodle/course:manageactivities', $course_context, $USER->id) || has_capability('moodle/course:viewhiddenactivities', $course_context, $USER->id)) {
$editurl = $CFG->wwwroot . '/course/view.php?id=' . $course->id . '¬ifyeditingon=1';
//$editurl = $CFG->wwwroot . '/course/edit.php?id=' . $course->id;
} else {
$editurl = '';
}
$modules = get_fast_modinfo($course->id)->get_cms();
$viewurl = '';
foreach ($modules as $module) {
if (!$module->uservisible || $module->is_stealth() || empty($module->url)) {
continue;
}
$viewurl = new moodle_url($module->url, array(
'forceview' => 1
));
break;
}
$summary = trim(strip_tags($course->summary));
if (empty($summary)) {
$summary = '<p></p>';
} else if (strlen($summary) > 80) {
$summary = substr($summary, 0, 80) . '...';
}
if (empty($editurl) && in_array($course->id, $courseAvailableForAutoRol)) {
$autoenrol = 'yes';
} else {
$autoenrol = '';
}
$category = $all_categories[$course->category];
if ($category->parent) {
$categoryParent = $all_categories[$category->parent];
if ($categoryParent) {
$categoryName = $categoryParent->name . ' / ' . $category->name;
} else {
$categoryName = $category->name;
}
} else {
$categoryName = $category->name;
}
if (strlen($categoryName) > 40) {
$categoryName = substr($categoryName, 0, 40) . '...';
}
// echo '<pre>';
// echo '$categoryName = ' . $categoryName . ' $course->category = ' . $course->category;
// echo '</pre>';
array_push($courses, [
'courseid' => $course->id,
'coursecategory' => $categoryName,
'courseimage' => $image,
'enddate' => $course->enddate,
'fullname' => $course->fullname,
'fullnamedisplay' => get_course_display_name_for_list($course),
'hidden' => false,
'id' => $course->id,
'idnumber' => $course->idnumber,
'isfavourite' => false,
'shortname' => $course->shortname,
'showshortname' => false,
'startdate' => $course->startdate,
'summary' => $summary,
'summaryformat' => $course->summaryformat,
'timeaccess' => $lastaccess,
'viewurl' => $viewurl,
'editurl' => $editurl,
'autoenrol' => $autoenrol,
'visible' => true
]);
}
$categories = [];
foreach ($course_category_ids as $course_category_id) {
$category = $all_categories[$course_category_id];
if ($category) {
array_push($categories, [
'id' => $category->id,
'name' => $category->name
]);
}
}
// Crear el array de navegación con el rango dinámico
$pagination = [
'current_page' => $page,
'total_pages' => $total_pages,
'has_previous' => $page > 1,
'has_next' => $page < $total_pages,
'previous_page' => $page > 1 ? $page - 1 : null,
'next_page' => $page < $total_pages ? $page + 1 : null,
'pages' => array_map(function ($p) use ($page) {
return [
'number' => $p,
'is_current' => $p === $page
];
}, range($start_page, $end_page))
];
// Preparar los datos para la plantilla
$data = [
'courses' => $courses,
'pagination' => $pagination
];
$cards = $OUTPUT->render_from_template('block_cursos_catalogo_ajax/cards', $data);
$data = [
'categories' => $categories
];
$badges = $OUTPUT->render_from_template('block_cursos_catalogo_ajax/badges', $data);
return json_encode([
'success' => true,
'search_text' => $search_text,
'category_id' => $category_id,
'cards' => $cards,
'badges' => $badges,
'courses' => $courses
]);
}
public static function get_cursos_catalogo_returns()
{
return new \external_value(PARAM_RAW, 'The updated JSON output');
}
}