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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/>.
/**
* IMSCP external API
*
* @package mod_imscp
* @category external
* @copyright 2015 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.0
*/
defined('MOODLE_INTERNAL') || die;
require_once("$CFG->libdir/externallib.php");
/**
* IMSCP external functions
*
* @package mod_imscp
* @category external
* @copyright 2015 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 3.0
*/
class mod_imscp_external extends external_api {
/**
* Returns description of method parameters
*
* @return external_function_parameters
* @since Moodle 3.0
*/
public static function view_imscp_parameters() {
return new external_function_parameters(
array(
'imscpid' => new external_value(PARAM_INT, 'imscp instance id')
)
);
}
/**
* Simulate the imscp/view.php web interface page: trigger events, completion, etc...
*
* @param int $imscpid the imscp instance id
* @return array of warnings and status result
* @since Moodle 3.0
* @throws moodle_exception
*/
public static function view_imscp($imscpid) {
global $DB, $CFG;
require_once($CFG->dirroot . "/mod/imscp/lib.php");
$params = self::validate_parameters(self::view_imscp_parameters(),
array(
'imscpid' => $imscpid
));
$warnings = array();
// Request and permission validation.
$imscp = $DB->get_record('imscp', array('id' => $params['imscpid']), '*', MUST_EXIST);
list($course, $cm) = get_course_and_cm_from_instance($imscp, 'imscp');
$context = context_module::instance($cm->id);
self::validate_context($context);
require_capability('mod/imscp:view', $context);
// Call the imscp/lib API.
imscp_view($imscp, $course, $cm, $context);
$result = array();
$result['status'] = true;
$result['warnings'] = $warnings;
return $result;
}
/**
* Returns description of method result value
*
* @return external_description
* @since Moodle 3.0
*/
public static function view_imscp_returns() {
return new external_single_structure(
array(
'status' => new external_value(PARAM_BOOL, 'status: true if success'),
'warnings' => new external_warnings()
)
);
}
/**
* Describes the parameters for get_imscps_by_courses.
*
* @return external_function_parameters
* @since Moodle 3.0
*/
public static function get_imscps_by_courses_parameters() {
return new external_function_parameters (
array(
'courseids' => new external_multiple_structure(
new external_value(PARAM_INT, 'course id'), 'Array of course ids', VALUE_DEFAULT, array()
),
)
);
}
/**
* Returns a list of IMSCP packages in a provided list of courses,
* if no list is provided all IMSCP packages that the user can view will be returned.
*
* @param array $courseids the course ids
* @return array of IMSCP packages details and possible warnings
* @since Moodle 3.0
*/
public static function get_imscps_by_courses($courseids = array()) {
global $CFG;
$returnedimscps = array();
$warnings = array();
$params = self::validate_parameters(self::get_imscps_by_courses_parameters(), array('courseids' => $courseids));
$courses = array();
if (empty($params['courseids'])) {
$courses = enrol_get_my_courses();
$params['courseids'] = array_keys($courses);
}
// Ensure there are courseids to loop through.
if (!empty($params['courseids'])) {
list($courses, $warnings) = external_util::validate_courses($params['courseids'], $courses);
// Get the imscps in this course, this function checks users visibility permissions.
// We can avoid then additional validate_context calls.
$imscps = get_all_instances_in_courses("imscp", $courses);
foreach ($imscps as $imscp) {
$context = context_module::instance($imscp->coursemodule);
// Entry to return.
$imscpdetails = array();
// First, we return information that any user can see in the web interface.
$imscpdetails['id'] = $imscp->id;
$imscpdetails['coursemodule'] = $imscp->coursemodule;
$imscpdetails['course'] = $imscp->course;
$imscpdetails['name'] = external_format_string($imscp->name, $context->id);
if (has_capability('mod/imscp:view', $context)) {
// Format intro.
list($imscpdetails['intro'], $imscpdetails['introformat']) =
external_format_text($imscp->intro, $imscp->introformat, $context->id, 'mod_imscp', 'intro', null);
$imscpdetails['introfiles'] = external_util::get_area_files($context->id, 'mod_imscp', 'intro', false, false);
}
if (has_capability('moodle/course:manageactivities', $context)) {
$imscpdetails['revision'] = $imscp->revision;
$imscpdetails['keepold'] = $imscp->keepold;
$imscpdetails['structure'] = $imscp->structure;
$imscpdetails['timemodified'] = $imscp->timemodified;
$imscpdetails['section'] = $imscp->section;
$imscpdetails['visible'] = $imscp->visible;
$imscpdetails['groupmode'] = $imscp->groupmode;
$imscpdetails['groupingid'] = $imscp->groupingid;
}
$returnedimscps[] = $imscpdetails;
}
}
$result = array();
$result['imscps'] = $returnedimscps;
$result['warnings'] = $warnings;
return $result;
}
/**
* Describes the get_imscps_by_courses return value.
*
* @return external_single_structure
* @since Moodle 3.0
*/
public static function get_imscps_by_courses_returns() {
return new external_single_structure(
array(
'imscps' => new external_multiple_structure(
new external_single_structure(
array(
'id' => new external_value(PARAM_INT, 'IMSCP id'),
'coursemodule' => new external_value(PARAM_INT, 'Course module id'),
'course' => new external_value(PARAM_INT, 'Course id'),
'name' => new external_value(PARAM_RAW, 'Activity name'),
'intro' => new external_value(PARAM_RAW, 'The IMSCP intro', VALUE_OPTIONAL),
'introformat' => new external_format_value('intro', VALUE_OPTIONAL),
'introfiles' => new external_files('Files in the introduction text', VALUE_OPTIONAL),
'revision' => new external_value(PARAM_INT, 'Revision', VALUE_OPTIONAL),
'keepold' => new external_value(PARAM_INT, 'Number of old IMSCP to keep', VALUE_OPTIONAL),
'structure' => new external_value(PARAM_RAW, 'IMSCP structure', VALUE_OPTIONAL),
'timemodified' => new external_value(PARAM_RAW, 'Time of last modification', VALUE_OPTIONAL),
'section' => new external_value(PARAM_INT, 'Course section id', VALUE_OPTIONAL),
'visible' => new external_value(PARAM_BOOL, 'If visible', VALUE_OPTIONAL),
'groupmode' => new external_value(PARAM_INT, 'Group mode', VALUE_OPTIONAL),
'groupingid' => new external_value(PARAM_INT, 'Group id', VALUE_OPTIONAL),
), 'IMS content packages'
)
),
'warnings' => new external_warnings(),
)
);
}
}