Proyectos de Subversion Moodle

<?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, ' ' ),

        ]);

    }

    public static function get_cursos_catalogo($category_id, $search_text)

    {

        global $USER, $DB, $CFG, $OUTPUT, $PAGE;

        $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();

        } else {

            $mycourses  = enrol_get_users_courses($USER->id);

        }

        foreach ($mycourses as $course)

        {

            if(!$course->visible) {

                continue;

            }

            if($search_text) {

                if(stripos($course->fullname, $search_text) === false) {

                    continue;

                }

            }

            if($category_filter_active) {

                if(!in_array($course->category, $categories_ids)) {

                    continue;

                }

            }

            array_push($course_ids, $course->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);

            if(!$course->visible) {

                continue;

            }

            if($search_text) {

                if(stripos($course_with_autoenrol->fullname, $search_text) === false) {

                    continue;

                }

            }

            if($category_filter_active) {

                if(!in_array($course->category, $categories_ids)) {

                    continue;

                }

            }

            array_push($course_ids, $course->id);

            array_push($courseAvailableForAutoRol, $course->id);

        }

        $courses = [];

        foreach ($course_ids as $course_id)

        {

            $course = get_course($course_id);

            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 " .

                "  and eventname  = '\\\\core\\\\event\\\\course_viewed' order by id desc limit 1 ";

            $timecreated = $DB->get_field_sql($sql,  array('courseid' => $course->id, 'userid' => $userid));

            if($timecreated) {

                $lastaccess = date('d/m/Y h:i a', $timecreated);

            }

            $first_section = 0;

            $sections = $DB->get_records('course_sections', ['course' => $course->id], 'section ASC', '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);

            $completion_edit_curso = false;

            foreach ($roles as $role) {

                if ($role->shortname == 'companydepartmentmanager' || $role->shortname == 'companycoursenoneditor') {

                    $completion_edit_curso  = true;

                    break;

                }

            }

            if (has_capability('moodle/course:manageactivities', $course_context, $USER->id) || has_capability('moodle/course:viewhiddenactivities', $course_context, $USER->id) || $completion_edit_curso) {

                $editurl = $CFG->wwwroot . '/course/view.php?id='.$course->id.'&notifyeditingon=1';

            } else {

                $editurl = '';

            }

            $modules = get_fast_modinfo($course->id)->get_cms();

            $linkurl = '';

            foreach ($modules as $module)

            {

                if (!$module->uservisible || $module->is_stealth() || empty($module->url) || empty($module->section)) {

                    continue;

                }

                if($module->section == $first_section || $completion_edit_curso) {

                    $linkurl =  new moodle_url($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' => $linkurl,

                'editurl' => $editurl,

                'autoenrol' => $autoenrol,

                'visible' => true,

            ]);

        }

        usort($courses, function($a, $b) { return $a['fullname'] <=> $b['fullname']; });

        $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 ]);

            }

        }

        $data = [

            'courses' => $courses

        ];

        $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]);

    }

    public static function get_cursos_catalogo_returns()

    {

        return new \external_value(PARAM_RAW, 'The updated JSON output');

    }

}