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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.
<?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/>.

/**
 * External tool module external API
 *
 * @package    mod_lti
 * @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
 */

use core_course\external\helper_for_get_mods_by_courses;
> use core_external\external_api; > use core_external\external_function_parameters; defined('MOODLE_INTERNAL') || die; > use core_external\external_multiple_structure; > use core_external\external_single_structure; require_once($CFG->libdir . '/externallib.php'); > use core_external\external_value; require_once($CFG->dirroot . '/mod/lti/lib.php'); > use core_external\external_warnings; require_once($CFG->dirroot . '/mod/lti/locallib.php'); > use core_external\util;
< require_once($CFG->libdir . '/externallib.php');
/** * External tool module external functions * * @package mod_lti * @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_lti_external extends external_api { /** * Returns structure be used for returning a tool type from a web service. * * @return external_function_parameters * @since Moodle 3.1 */ private static function tool_type_return_structure() { return new external_single_structure( array( 'id' => new external_value(PARAM_INT, 'Tool type id'), 'name' => new external_value(PARAM_NOTAGS, 'Tool type name'), 'description' => new external_value(PARAM_NOTAGS, 'Tool type description'), 'platformid' => new external_value(PARAM_TEXT, 'Platform ID'), 'clientid' => new external_value(PARAM_TEXT, 'Client ID'), 'deploymentid' => new external_value(PARAM_INT, 'Deployment ID'), 'urls' => new external_single_structure( array( 'icon' => new external_value(PARAM_URL, 'Tool type icon URL'), 'edit' => new external_value(PARAM_URL, 'Tool type edit URL'), 'course' => new external_value(PARAM_URL, 'Tool type edit URL', VALUE_OPTIONAL), 'publickeyset' => new external_value(PARAM_URL, 'Public Keyset URL'), 'accesstoken' => new external_value(PARAM_URL, 'Access Token URL'), 'authrequest' => new external_value(PARAM_URL, 'Authorisation Request URL'), ) ), 'state' => new external_single_structure( array( 'text' => new external_value(PARAM_TEXT, 'Tool type state name string'), 'pending' => new external_value(PARAM_BOOL, 'Is the state pending'), 'configured' => new external_value(PARAM_BOOL, 'Is the state configured'), 'rejected' => new external_value(PARAM_BOOL, 'Is the state rejected'), 'unknown' => new external_value(PARAM_BOOL, 'Is the state unknown'), ) ), 'hascapabilitygroups' => new external_value(PARAM_BOOL, 'Indicate if capabilitygroups is populated'), 'capabilitygroups' => new external_multiple_structure( new external_value(PARAM_TEXT, 'Tool type capability groups enabled'), 'Array of capability groups', VALUE_DEFAULT, array() ), 'courseid' => new external_value(PARAM_INT, 'Tool type course', VALUE_DEFAULT, 0), 'instanceids' => new external_multiple_structure( new external_value(PARAM_INT, 'LTI instance ID'), 'IDs for the LTI instances using this type', VALUE_DEFAULT, array() ), 'instancecount' => new external_value(PARAM_INT, 'The number of times this tool is being used') ), 'Tool' ); } /** * Returns description of a tool proxy * * @return external_function_parameters * @since Moodle 3.1 */ private static function tool_proxy_return_structure() { return new external_function_parameters( array( 'id' => new external_value(PARAM_INT, 'Tool proxy id'), 'name' => new external_value(PARAM_TEXT, 'Tool proxy name'), 'regurl' => new external_value(PARAM_URL, 'Tool proxy registration URL'), 'state' => new external_value(PARAM_INT, 'Tool proxy state'), 'guid' => new external_value(PARAM_TEXT, 'Tool proxy globally unique identifier'), 'secret' => new external_value(PARAM_TEXT, 'Tool proxy shared secret'), 'vendorcode' => new external_value(PARAM_TEXT, 'Tool proxy consumer code'), 'capabilityoffered' => new external_value(PARAM_TEXT, 'Tool proxy capabilities offered'), 'serviceoffered' => new external_value(PARAM_TEXT, 'Tool proxy services offered'), 'toolproxy' => new external_value(PARAM_TEXT, 'Tool proxy'), 'timecreated' => new external_value(PARAM_INT, 'Tool proxy time created'), 'timemodified' => new external_value(PARAM_INT, 'Tool proxy modified'), ) ); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function get_tool_proxies_parameters() { return new external_function_parameters( array( 'orphanedonly' => new external_value(PARAM_BOOL, 'Orphaned tool types only', VALUE_DEFAULT, 0) ) ); } /** * Returns the tool types. * * @param bool $orphanedonly Retrieve only tool proxies that do not have a corresponding tool type * @return array of tool types * @since Moodle 3.1 * @throws moodle_exception */ public static function get_tool_proxies($orphanedonly) { $params = self::validate_parameters(self::get_tool_proxies_parameters(), array( 'orphanedonly' => $orphanedonly )); $orphanedonly = $params['orphanedonly']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); return lti_get_tool_proxies($orphanedonly); } /** * Returns description of method result value. *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function get_tool_proxies_returns() { return new external_multiple_structure( self::tool_proxy_return_structure() ); } /** * Returns description of method parameters. * * @return external_function_parameters * @since Moodle 3.0 */ public static function get_tool_launch_data_parameters() { return new external_function_parameters( array( 'toolid' => new external_value(PARAM_INT, 'external tool instance id') ) ); } /** * Return the launch data for a given external tool. * * @param int $toolid the external tool instance id * @return array of warnings and launch data * @since Moodle 3.0 * @throws moodle_exception */ public static function get_tool_launch_data($toolid) { global $DB, $CFG; require_once($CFG->dirroot . '/mod/lti/lib.php'); $params = self::validate_parameters(self::get_tool_launch_data_parameters(), array( 'toolid' => $toolid )); $warnings = array(); // Request and permission validation. $lti = $DB->get_record('lti', array('id' => $params['toolid']), '*', MUST_EXIST); list($course, $cm) = get_course_and_cm_from_instance($lti, 'lti'); $context = context_module::instance($cm->id); self::validate_context($context); require_capability('mod/lti:view', $context); $lti->cmid = $cm->id; list($endpoint, $parms) = lti_get_launch_data($lti); $parameters = array(); foreach ($parms as $name => $value) { $parameters[] = array( 'name' => $name, 'value' => $value ); } $result = array(); $result['endpoint'] = $endpoint; $result['parameters'] = $parameters; $result['warnings'] = $warnings; return $result; } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.0 */ public static function get_tool_launch_data_returns() { return new external_single_structure( array( 'endpoint' => new external_value(PARAM_RAW, 'Endpoint URL'), // Using PARAM_RAW as is defined in the module. 'parameters' => new external_multiple_structure( new external_single_structure( array( 'name' => new external_value(PARAM_NOTAGS, 'Parameter name'), 'value' => new external_value(PARAM_RAW, 'Parameter value') ) ) ), 'warnings' => new external_warnings() ) ); } /** * Describes the parameters for get_ltis_by_courses. * * @return external_function_parameters * @since Moodle 3.0 */ public static function get_ltis_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 external tools in a provided list of courses, * if no list is provided all external tools that the user can view will be returned. * * @param array $courseids the course ids * @return array the lti details * @since Moodle 3.0 */ public static function get_ltis_by_courses($courseids = array()) { global $CFG; $returnedltis = array(); $warnings = array(); $params = self::validate_parameters(self::get_ltis_by_courses_parameters(), array('courseids' => $courseids)); $mycourses = array(); if (empty($params['courseids'])) { $mycourses = enrol_get_my_courses(); $params['courseids'] = array_keys($mycourses); } // Ensure there are courseids to loop through. if (!empty($params['courseids'])) {
< list($courses, $warnings) = external_util::validate_courses($params['courseids'], $mycourses);
> list($courses, $warnings) = util::validate_courses($params['courseids'], $mycourses);
// Get the ltis in this course, this function checks users visibility permissions. // We can avoid then additional validate_context calls. $ltis = get_all_instances_in_courses("lti", $courses); foreach ($ltis as $lti) { $context = context_module::instance($lti->coursemodule); // Entry to return. $module = helper_for_get_mods_by_courses::standard_coursemodule_element_values( $lti, 'mod_lti', 'moodle/course:manageactivities', 'mod/lti:view'); $viewablefields = []; if (has_capability('mod/lti:view', $context)) { $viewablefields = array('launchcontainer', 'showtitlelaunch', 'showdescriptionlaunch', 'icon', 'secureicon'); } // Check additional permissions for returning optional private settings. if (has_capability('moodle/course:manageactivities', $context)) { $additionalfields = array('timecreated', 'timemodified', 'typeid', 'toolurl', 'securetoolurl', 'instructorchoicesendname', 'instructorchoicesendemailaddr', 'instructorchoiceallowroster', 'instructorchoiceallowsetting', 'instructorcustomparameters', 'instructorchoiceacceptgrades', 'grade', 'resourcekey', 'password', 'debuglaunch', 'servicesalt'); $viewablefields = array_merge($viewablefields, $additionalfields); } foreach ($viewablefields as $field) { $module[$field] = $lti->{$field}; } $returnedltis[] = $module; } } $result = array(); $result['ltis'] = $returnedltis; $result['warnings'] = $warnings; return $result; } /** * Describes the get_ltis_by_courses return value. * * @return external_single_structure * @since Moodle 3.0 */ public static function get_ltis_by_courses_returns() { return new external_single_structure( array( 'ltis' => new external_multiple_structure( new external_single_structure(array_merge( helper_for_get_mods_by_courses::standard_coursemodule_elements_returns(true), [ 'timecreated' => new external_value(PARAM_INT, 'Time of creation', VALUE_OPTIONAL), 'timemodified' => new external_value(PARAM_INT, 'Time of last modification', VALUE_OPTIONAL), 'typeid' => new external_value(PARAM_INT, 'Type id', VALUE_OPTIONAL), 'toolurl' => new external_value(PARAM_URL, 'Tool url', VALUE_OPTIONAL), 'securetoolurl' => new external_value(PARAM_RAW, 'Secure tool url', VALUE_OPTIONAL), 'instructorchoicesendname' => new external_value(PARAM_TEXT, 'Instructor choice send name', VALUE_OPTIONAL), 'instructorchoicesendemailaddr' => new external_value(PARAM_INT, 'instructor choice send mail address', VALUE_OPTIONAL), 'instructorchoiceallowroster' => new external_value(PARAM_INT, 'Instructor choice allow roster', VALUE_OPTIONAL), 'instructorchoiceallowsetting' => new external_value(PARAM_INT, 'Instructor choice allow setting', VALUE_OPTIONAL), 'instructorcustomparameters' => new external_value(PARAM_RAW, 'instructor custom parameters', VALUE_OPTIONAL), 'instructorchoiceacceptgrades' => new external_value(PARAM_INT, 'instructor choice accept grades', VALUE_OPTIONAL), 'grade' => new external_value(PARAM_INT, 'Enable grades', VALUE_OPTIONAL), 'launchcontainer' => new external_value(PARAM_INT, 'Launch container mode', VALUE_OPTIONAL), 'resourcekey' => new external_value(PARAM_RAW, 'Resource key', VALUE_OPTIONAL), 'password' => new external_value(PARAM_RAW, 'Shared secret', VALUE_OPTIONAL), 'debuglaunch' => new external_value(PARAM_INT, 'Debug launch', VALUE_OPTIONAL), 'showtitlelaunch' => new external_value(PARAM_INT, 'Show title launch', VALUE_OPTIONAL), 'showdescriptionlaunch' => new external_value(PARAM_INT, 'Show description launch', VALUE_OPTIONAL), 'servicesalt' => new external_value(PARAM_RAW, 'Service salt', VALUE_OPTIONAL), 'icon' => new external_value(PARAM_URL, 'Alternative icon URL', VALUE_OPTIONAL), 'secureicon' => new external_value(PARAM_URL, 'Secure icon URL', VALUE_OPTIONAL), ] ), 'Tool') ), 'warnings' => new external_warnings(), ) ); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.0 */ public static function view_lti_parameters() { return new external_function_parameters( array( 'ltiid' => new external_value(PARAM_INT, 'lti instance id') ) ); } /** * Trigger the course module viewed event and update the module completion status. * * @param int $ltiid the lti instance id * @return array of warnings and status result * @since Moodle 3.0 * @throws moodle_exception */ public static function view_lti($ltiid) { global $DB; $params = self::validate_parameters(self::view_lti_parameters(), array( 'ltiid' => $ltiid )); $warnings = array(); // Request and permission validation. $lti = $DB->get_record('lti', array('id' => $params['ltiid']), '*', MUST_EXIST); list($course, $cm) = get_course_and_cm_from_instance($lti, 'lti'); $context = context_module::instance($cm->id); self::validate_context($context); require_capability('mod/lti:view', $context); // Trigger course_module_viewed event and completion. lti_view($lti, $course, $cm, $context); $result = array(); $result['status'] = true; $result['warnings'] = $warnings; return $result; } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.0 */ public static function view_lti_returns() { return new external_single_structure( array( 'status' => new external_value(PARAM_BOOL, 'status: true if success'), 'warnings' => new external_warnings() ) ); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function create_tool_proxy_parameters() { return new external_function_parameters( array( 'name' => new external_value(PARAM_TEXT, 'Tool proxy name', VALUE_DEFAULT, ''), 'regurl' => new external_value(PARAM_URL, 'Tool proxy registration URL'), 'capabilityoffered' => new external_multiple_structure( new external_value(PARAM_TEXT, 'Tool proxy capabilities offered'), 'Array of capabilities', VALUE_DEFAULT, array() ), 'serviceoffered' => new external_multiple_structure( new external_value(PARAM_TEXT, 'Tool proxy services offered'), 'Array of services', VALUE_DEFAULT, array() ) ) ); } /** * Creates a new tool proxy * * @param string $name Tool proxy name * @param string $registrationurl Registration url * @param string[] $capabilityoffered List of capabilities this tool proxy should be offered * @param string[] $serviceoffered List of services this tool proxy should be offered * @return object The new tool proxy * @since Moodle 3.1 * @throws moodle_exception */ public static function create_tool_proxy($name, $registrationurl, $capabilityoffered, $serviceoffered) { $params = self::validate_parameters(self::create_tool_proxy_parameters(), array( 'name' => $name, 'regurl' => $registrationurl, 'capabilityoffered' => $capabilityoffered, 'serviceoffered' => $serviceoffered )); $name = $params['name']; $regurl = $params['regurl']; $capabilityoffered = $params['capabilityoffered']; $serviceoffered = $params['serviceoffered']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); // Can't create duplicate proxies with the same URL. $duplicates = lti_get_tool_proxies_from_registration_url($registrationurl); if (!empty($duplicates)) { throw new moodle_exception('duplicateregurl', 'mod_lti'); } $config = new stdClass(); $config->lti_registrationurl = $registrationurl; if (!empty($name)) { $config->lti_registrationname = $name; } if (!empty($capabilityoffered)) { $config->lti_capabilities = $capabilityoffered; } if (!empty($serviceoffered)) { $config->lti_services = $serviceoffered; } $id = lti_add_tool_proxy($config); $toolproxy = lti_get_tool_proxy($id); // Pending makes more sense than configured as the first state, since // the next step is to register, which requires the state be pending. $toolproxy->state = LTI_TOOL_PROXY_STATE_PENDING; lti_update_tool_proxy($toolproxy); return $toolproxy; } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function create_tool_proxy_returns() { return self::tool_proxy_return_structure(); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function delete_tool_proxy_parameters() { return new external_function_parameters( array( 'id' => new external_value(PARAM_INT, 'Tool proxy id'), ) ); } /** * Trigger the course module viewed event and update the module completion status. * * @param int $id the lti instance id * @return object The tool proxy * @since Moodle 3.1 * @throws moodle_exception */ public static function delete_tool_proxy($id) { $params = self::validate_parameters(self::delete_tool_proxy_parameters(), array( 'id' => $id, )); $id = $params['id']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); $toolproxy = lti_get_tool_proxy($id); lti_delete_tool_proxy($id); return $toolproxy; } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function delete_tool_proxy_returns() { return self::tool_proxy_return_structure(); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.0 */ public static function get_tool_proxy_registration_request_parameters() { return new external_function_parameters( array( 'id' => new external_value(PARAM_INT, 'Tool proxy id'), ) ); } /** * Returns the registration request for a tool proxy. * * @param int $id the lti instance id * @return array of registration parameters * @since Moodle 3.1 * @throws moodle_exception */ public static function get_tool_proxy_registration_request($id) { $params = self::validate_parameters(self::get_tool_proxy_registration_request_parameters(), array( 'id' => $id, )); $id = $params['id']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); $toolproxy = lti_get_tool_proxy($id); return lti_build_registration_request($toolproxy); } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function get_tool_proxy_registration_request_returns() { return new external_function_parameters( array( 'lti_message_type' => new external_value(PARAM_ALPHANUMEXT, 'LTI message type'), 'lti_version' => new external_value(PARAM_ALPHANUMEXT, 'LTI version'), 'reg_key' => new external_value(PARAM_TEXT, 'Tool proxy registration key'), 'reg_password' => new external_value(PARAM_TEXT, 'Tool proxy registration password'), 'reg_url' => new external_value(PARAM_TEXT, 'Tool proxy registration url'), 'tc_profile_url' => new external_value(PARAM_URL, 'Tool consumers profile URL'), 'launch_presentation_return_url' => new external_value(PARAM_URL, 'URL to redirect on registration completion'), ) ); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function get_tool_types_parameters() { return new external_function_parameters( array( 'toolproxyid' => new external_value(PARAM_INT, 'Tool proxy id', VALUE_DEFAULT, 0) ) ); } /** * Returns the tool types. * * @param int $toolproxyid The tool proxy id * @return array of tool types * @since Moodle 3.1 * @throws moodle_exception */ public static function get_tool_types($toolproxyid) { global $PAGE; $params = self::validate_parameters(self::get_tool_types_parameters(), array( 'toolproxyid' => $toolproxyid )); $toolproxyid = $params['toolproxyid']; $types = array(); $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); if (!empty($toolproxyid)) { $types = lti_get_lti_types_from_proxy_id($toolproxyid); } else { $types = lti_get_lti_types(); } return array_map("serialise_tool_type", array_values($types)); } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function get_tool_types_returns() { return new external_multiple_structure( self::tool_type_return_structure() ); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function create_tool_type_parameters() { return new external_function_parameters( array( 'cartridgeurl' => new external_value(PARAM_URL, 'URL to cardridge to load tool information', VALUE_DEFAULT, ''), 'key' => new external_value(PARAM_TEXT, 'Consumer key', VALUE_DEFAULT, ''), 'secret' => new external_value(PARAM_TEXT, 'Shared secret', VALUE_DEFAULT, ''), ) ); } /** * Creates a tool type. * * @param string $cartridgeurl Url of the xml cartridge representing the LTI tool * @param string $key The consumer key to identify this consumer * @param string $secret The secret * @return array created tool type * @since Moodle 3.1 * @throws moodle_exception If the tool type could not be created */ public static function create_tool_type($cartridgeurl, $key, $secret) { $params = self::validate_parameters(self::create_tool_type_parameters(), array( 'cartridgeurl' => $cartridgeurl, 'key' => $key, 'secret' => $secret )); $cartridgeurl = $params['cartridgeurl']; $key = $params['key']; $secret = $params['secret']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); $id = null; if (!empty($cartridgeurl)) { $type = new stdClass(); $data = new stdClass(); $type->state = LTI_TOOL_STATE_CONFIGURED; $data->lti_coursevisible = 1; $data->lti_sendname = LTI_SETTING_DELEGATE; $data->lti_sendemailaddr = LTI_SETTING_DELEGATE; $data->lti_acceptgrades = LTI_SETTING_DELEGATE; $data->lti_forcessl = 0; if (!empty($key)) { $data->lti_resourcekey = $key; } if (!empty($secret)) { $data->lti_password = $secret; } lti_load_type_from_cartridge($cartridgeurl, $data); if (empty($data->lti_toolurl)) { throw new moodle_exception('unabletocreatetooltype', 'mod_lti'); } else { $id = lti_add_type($type, $data); } } if (!empty($id)) { $type = lti_get_type($id); return serialise_tool_type($type); } else { throw new moodle_exception('unabletocreatetooltype', 'mod_lti'); } } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function create_tool_type_returns() { return self::tool_type_return_structure(); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function update_tool_type_parameters() { return new external_function_parameters( array( 'id' => new external_value(PARAM_INT, 'Tool type id'), 'name' => new external_value(PARAM_RAW, 'Tool type name', VALUE_DEFAULT, null), 'description' => new external_value(PARAM_RAW, 'Tool type description', VALUE_DEFAULT, null), 'state' => new external_value(PARAM_INT, 'Tool type state', VALUE_DEFAULT, null) ) ); } /** * Update a tool type. * * @param int $id The id of the tool type to update * @param string $name The name of the tool type * @param string $description The name of the tool type * @param int $state The state of the tool type * @return array updated tool type * @since Moodle 3.1 * @throws moodle_exception */ public static function update_tool_type($id, $name, $description, $state) { $params = self::validate_parameters(self::update_tool_type_parameters(), array( 'id' => $id, 'name' => $name, 'description' => $description, 'state' => $state, )); $id = $params['id']; $name = $params['name']; $description = $params['description']; $state = $params['state']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); $type = lti_get_type($id); if (empty($type)) { throw new moodle_exception('unabletofindtooltype', 'mod_lti', '', array('id' => $id)); } if (!empty($name)) { $type->name = $name; } if (!empty($description)) { $type->description = $description; } if (!empty($state)) { // Valid state range. if (in_array($state, array(1, 2, 3))) { $type->state = $state; } else { throw new moodle_exception("Invalid state: $state - must be 1, 2, or 3"); } } lti_update_type($type, new stdClass()); return serialise_tool_type($type); } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function update_tool_type_returns() { return self::tool_type_return_structure(); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function delete_tool_type_parameters() { return new external_function_parameters( array( 'id' => new external_value(PARAM_INT, 'Tool type id'), ) ); } /** * Delete a tool type. * * @param int $id The id of the tool type to be deleted * @return array deleted tool type * @since Moodle 3.1 * @throws moodle_exception */ public static function delete_tool_type($id) { $params = self::validate_parameters(self::delete_tool_type_parameters(), array( 'id' => $id, )); $id = $params['id']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); $type = lti_get_type($id); if (!empty($type)) { lti_delete_type($id); // If this is the last type for this proxy then remove the proxy // as well so that it isn't orphaned. $types = lti_get_lti_types_from_proxy_id($type->toolproxyid); if (empty($types)) { lti_delete_tool_proxy($type->toolproxyid); } } return array('id' => $id); } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function delete_tool_type_returns() { return new external_function_parameters( array( 'id' => new external_value(PARAM_INT, 'Tool type id'), ) ); } /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.1 */ public static function is_cartridge_parameters() { return new external_function_parameters( array( 'url' => new external_value(PARAM_URL, 'Tool url'), ) ); } /** * Determine if the url to a tool is for a cartridge. * * @param string $url Url that may or may not be an xml cartridge * @return bool True if the url is for a cartridge. * @since Moodle 3.1 * @throws moodle_exception */ public static function is_cartridge($url) { $params = self::validate_parameters(self::is_cartridge_parameters(), array( 'url' => $url, )); $url = $params['url']; $context = context_system::instance(); self::validate_context($context); require_capability('moodle/site:config', $context); $iscartridge = lti_is_cartridge($url); return array('iscartridge' => $iscartridge); } /** * Returns description of method result value *
< * @return external_description
> * @return \core_external\external_description
* @since Moodle 3.1 */ public static function is_cartridge_returns() { return new external_function_parameters( array( 'iscartridge' => new external_value(PARAM_BOOL, 'True if the URL is a cartridge'), ) ); } }