636 lines
23 KiB
PHP
636 lines
23 KiB
PHP
<?php
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// This file is part of the Studyplan plugin for Moodle
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <https://www.gnu.org/licenses/>.
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/**
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* Webservice related to courses
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* @package local_treestudyplan
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* @copyright 2023 P.M. Kuipers
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* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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namespace local_treestudyplan;
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defined('MOODLE_INTERNAL') || die();
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require_once($CFG->libdir.'/externallib.php');
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use \local_treestudyplan\courseinfo;
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use \local_treestudyplan\associationservice;
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use \local_treestudyplan\local\helpers\webservicehelper;
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use \local_treestudyplan\completionscanner;
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use \local_treestudyplan\gradingscanner;
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use \core_course_category;
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/**
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* Webservice related to courses
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*/
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class courseservice extends \external_api {
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/**
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* Capability required to edit study plans
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* @var string
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*/
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const CAP_EDIT = "local/treestudyplan:editstudyplan";
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/**
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* Capability required to view studyplans (for other users)
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* @var string
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*/
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const CAP_VIEW = "local/treestudyplan:viewuserreports";
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/**
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* Return value description for map_categories function
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*/
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public static function map_categories_parameters() : \external_function_parameters {
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return new \external_function_parameters( [
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"root_id" => new \external_value(PARAM_INT, 'root category to use as base', VALUE_DEFAULT),
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] );
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}
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/**
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* Parameter description for map_categories function
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*/
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public static function map_categories_returns() : \external_description {
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return new \external_multiple_structure(static::map_category_structure(false));
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}
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/**
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* Structure description for category map, used in a number of return descriptions
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* @param bool $lazy
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* @param int $value
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*/
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protected static function map_category_structure($lazy = false, $value = VALUE_REQUIRED) {
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$s = [
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"id" => new \external_value(PARAM_INT, 'course category id'),
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"context_id" => new \external_value(PARAM_INT, 'course category context id'),
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"category" => contextinfo::structure(VALUE_OPTIONAL),
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"haschildren" => new \external_value(PARAM_BOOL, 'true if the category has child categories'),
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"hascourses" => new \external_value(PARAM_BOOL, 'true if the category contains courses'),
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"studyplancount" => new \external_value(PARAM_INT, 'number of linked studyplans', VALUE_OPTIONAL),
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];
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if (!$lazy > 0) {
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$s["courses"] = new \external_multiple_structure( courseinfo::editor_structure() );
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$s["children"] = new \external_multiple_structure( static::map_category_structure(true));
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}
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return new \external_single_structure($s, "CourseCat info", $value);
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}
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/**
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* Get a category map, and optionally specify a root category to search for
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* User's top category will be used if none specified
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* @param int $rootid Optional starting category for the map
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* @return array
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*/
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public static function map_categories($rootid = 0) {
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global $CFG, $DB;
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$root = \core_course_category::get($rootid,\MUST_EXIST,true);
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// Determine top categories from provided context.
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if ($root->id == 0) {
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// On the system level, determine the user's topmost allowed catecories.
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$usertop = \core_course_category::user_top();
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if ($usertop->id == 0) {
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// Top category..
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$children = $root->get_children(); // Returns a list of çore_course_category, let it overwrite $children.
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} else {
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$children = [$usertop];
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}
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} else if ($root->is_uservisible()) {
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$children = [$root];
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}
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$list = [];
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foreach ($children as $cat) {
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$list[] = static::map_category($cat, false);
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}
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return $list;
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}
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/**
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* Return value description for get_category function
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*/
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public static function get_category_parameters() : \external_function_parameters {
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return new \external_function_parameters( [
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"id" => new \external_value(PARAM_INT, 'id of category'),
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] );
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}
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/**
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* Parameter description for get_category function
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*/
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public static function get_category_returns() : \external_description {
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return static::map_category_structure(false);
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}
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/**
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* Get category info by id
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* @param mixed $id
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* @return array
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*/
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public static function get_category($id) {
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$cat = \core_course_category::get($id);
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return static::map_category($cat);
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}
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/**
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* Create a category map, given a specific category
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* @param core_course_category $cat The category to scan
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* @param bool $lazy If lazy loading, do not scan child categories
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* @return array
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*/
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protected static function map_category(core_course_category $cat, $lazy = false) {
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global $DB;
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$catcontext = $cat->get_context();
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$ctxinfo = new contextinfo($catcontext);
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$children = $cat->get_children(); // Only shows children visible to the current user.
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$courses = $cat->get_courses();
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$model = [
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"id" => $cat->id,
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"context_id" => $catcontext->id,
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"category" => $ctxinfo->model(),
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"haschildren" => !empty($children),
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"hascourses" => !empty($courses),
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];
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if (!$lazy) {
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$model["courses"] = [];
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foreach ($courses as $course) {
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$courseinfo = new courseinfo($course->id);
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$model["courses"][] = $courseinfo->editor_model();
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}
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$model["children"] = [];
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foreach ($children as $child) {
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$model["children"][] = static::map_category($child, true);
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}
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}
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return $model;
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}
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/**
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* Return value description for list_accessible_categories function
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*/
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public static function list_accessible_categories_parameters() : \external_function_parameters {
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return new \external_function_parameters( [
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"operation" => new \external_value(PARAM_TEXT, 'type of operation ["view"|"edit"]', VALUE_DEFAULT), ]
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);
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}
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/**
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* Parameter description for list_accessible_categories function
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*/
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public static function list_accessible_categories_returns() : \external_description {
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return new \external_multiple_structure(static::map_category_structure(true));
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}
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/**
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* List all categories the user has access to
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* Used in the studyplan edit form
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* @param string $operation
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* @return array
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*/
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public static function list_accessible_categories($operation = "edit") {
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if ($operation == "edit") {
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$capability = self::CAP_EDIT;
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} else { // Operation == "view" || default.
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$capability = self::CAP_VIEW;
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}
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$cats = static::categories_by_capability($capability);
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$list = [];
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foreach ($cats as $cat) {
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$list[] = static::map_category($cat, true);
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}
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return $list;
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}
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/**
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* [Description for categories_by_capability]
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* @param mixed $capability
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* @param core_course_category|null $parent
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* @return array
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*/
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public static function categories_by_capability($capability, core_course_category $parent = null) {
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// List the categories in which the user has a specific capability.
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$list = [];
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// Initialize parent if needed.
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if ($parent == null) {
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$parent = \core_course_category::user_top();
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if (has_capability($capability, $parent->get_context())) {
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$list[] = $parent;
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}
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}
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$children = $parent->get_children();
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foreach ($children as $child) {
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// Check if we should add this category.
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if (has_capability($capability, $child->get_context())) {
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$list[] = $child;
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// For optimization purposes, we include all its children now, since they will have inherited the permission.
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// #PREMATURE_OPTIMIZATION ???.
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$list = array_merge($list, self::recursive_child_categories($child));
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} else {
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if ($child->get_children_count() > 0) {
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$list = array_merge($list, self::categories_by_capability($capability, $child));
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}
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}
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}
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return $list;
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}
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/**
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* Recursively create a list of all categories unter a specified parent
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* @param core_course_category $parent
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* @return core_course_category[]
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*/
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protected static function recursive_child_categories(core_course_category $parent) {
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$list = [];
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$children = $parent->get_children();
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foreach ($children as $child) {
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$list[] = $child;
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if ($child->get_children_count() > 0) {
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$list = array_merge($list, self::recursive_child_categories($child));
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}
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}
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return $list;
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}
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/**
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* Return value description for list_used_categories function
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*/
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public static function list_used_categories_parameters() : \external_function_parameters {
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return new \external_function_parameters( [
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"operation" => new \external_value(PARAM_TEXT, 'type of operation ["view"|"edit"]', VALUE_DEFAULT),
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"refcontext_id" => new \external_value(PARAM_INT, 'id of reference context', VALUE_DEFAULT),
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]);
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}
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/**
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* Parameter description for list_used_categories function
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*/
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public static function list_used_categories_returns() : \external_description {
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return new \external_multiple_structure(static::map_category_structure(true));
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}
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/**
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* List all categories available to the current user for editing or viewing studyplans
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* @param string $operation The operation to scan usage for [edit, view]
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* @param int $refctxid Reference context id
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* @return array
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*/
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public static function list_used_categories($operation = 'edit', $refctxid = 0) {
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global $DB;
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if ($operation == "edit") {
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$capability = self::CAP_EDIT;
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} else { // Operation == "view" || default.
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$capability = self::CAP_VIEW;
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}
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$contextcounts = [];
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$contextids = [];
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$rs = $DB->get_recordset_sql("SELECT DISTINCT context_id, COUNT(*) as num FROM {local_treestudyplan}
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GROUP BY context_id");
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foreach ($rs as $r) {
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$contextcounts[$r->context_id] = $r->num;
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$contextids[] = $r->context_id;
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}
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// Add system context to list if needed.
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if (!in_array(1,$contextids)) {
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array_unshift($contextids,1);
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}
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$rs->close();
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$cats = [];
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// If the reference context id is not in the list, push it there
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if ($refctxid > 1 && !in_array($refctxid, $contextids)) {
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try {
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$refctx = \context::instance_by_id($refctxid);
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$refpath = $refctx->get_parent_context_ids(true);
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$found = false;
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foreach ($refpath as $i => $pid) {
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$idx = array_search($pid,$contextids);
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if($idx !== false) {
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$contextids = array_merge(
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array_slice($contextids, 0, $idx+1),
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array_reverse(array_slice($refpath,0,$i)),
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array_slice($contextids, $idx+1, count($contextids) - 1)
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) ;
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$found = true;
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break;
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}
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}
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if(!$found) {
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array_unshift($contextids,$refctxid);
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}
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} catch(\dml_missing_record_exception $x) {
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// ignore context
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}
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}
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// we only have to check the contexts having a study plan for access permissions
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foreach ($contextids as $ctxid ) {
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try {
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$ctx = \context::instance_by_id($ctxid);
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if (has_capability($capability, $ctx)) {
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if ($ctx->contextlevel == CONTEXT_SYSTEM) {
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$cat = \core_course_category::top();
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} else if ($ctx->contextlevel == CONTEXT_COURSECAT) {
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$cat = \core_course_category::get($ctx->instanceid,\MUST_EXIST,true);
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}
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$cats[] = $cat;
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if ($operation == "edit" && $ctxid == $refctxid) {
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// Include direct children for navigation purposes
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foreach ($cat->get_children() as $ccat) {
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$ccatctx = \context_coursecat::instance($ccat->id);
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if (!in_array($ccatctx->id,$contextids)) {
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$cats[] = $ccat;
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}
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}
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}
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}
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} catch (\dml_missing_record_exception $x) {
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// ignore context
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}
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}
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$list = [];
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foreach ($cats as $cat) {
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$count = 0;
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$ctxid = $cat->get_context()->id;
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if (array_key_exists($ctxid, $contextcounts)) {
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$count = $contextcounts[$ctxid];
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}
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$o = static::map_category($cat, true);
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$o["studyplancount"] = $count;
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$list[] = $o;
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}
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return $list;
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}
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/**
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* List all categories available to the current user for editing or viewing studyplans and add information about their usage
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* (Not a webservice function)
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* @param string $operation
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* @param int $refctxid Reference context id
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* @return stdClass[]
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*/
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public static function list_accessible_categories_with_usage($operation = 'edit', $refctxid = 0) {
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global $DB;
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if ($operation == "edit") {
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$capability = self::CAP_EDIT;
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} else { // Operation == "view" || default.
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$capability = self::CAP_VIEW;
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}
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// Retrieve context ids used.
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$contextcounts = [];
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$contextids = [];
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$rs = $DB->get_recordset_sql("SELECT DISTINCT context_id, COUNT(*) as num FROM {local_treestudyplan}
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GROUP BY context_id");
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foreach ($rs as $r) {
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$contextcounts[$r->context_id] = $r->num;
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$contextids[] = $r->context_id;
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}
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$rs->close();
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// Add system context to list if needed.
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if (!in_array(1,$contextids)) {
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array_unshift($contextids,1);
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}
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$cats = [];
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// If the reference context id is not in the list, push it there
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if ($refctxid > 1 && !in_array($refctxid, $contextids)) {
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try {
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$refctx = \context::instance_by_id($refctxid);
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$refpath = $refctx->get_parent_context_ids(true);
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$found = false;
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foreach ($refpath as $i => $pid) {
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$idx = array_search($pid,$contextids);
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if($idx !== false) {
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$contextids = array_merge(
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array_slice($contextids, 0, $idx+1),
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array_reverse(array_slice($refpath,0,$i)),
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array_slice($contextids, $idx+1, count($contextids) - 1)
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) ;
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$found = true;
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break;
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}
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}
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if(!$found) {
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array_unshift($contextids,$refctxid);
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}
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} catch(\dml_missing_record_exception $x) {
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// ignore context
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}
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}
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// we only have to check these contexts for access permissions
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foreach ($contextids as $ctxid ) {
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try {
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$ctx = \context::instance_by_id($ctxid);
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if (has_capability($capability, $ctx)) {
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if ($ctx->contextlevel == CONTEXT_SYSTEM) {
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$cat = \core_course_category::top();
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} else if ($ctx->contextlevel == CONTEXT_COURSECAT) {
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$cat = \core_course_category::get($ctx->instanceid,\MUST_EXIST,true);
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}
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$cats[] = $cat;
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if ($operation == "view" && $ctxid == $refctxid) {
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// Include direct children for navigation purposes
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foreach ($cat->get_children() as $ccat) {
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$ccatctx = \context_coursecat::instance($ccat->id);
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if (!in_array($ccatctx->id,$contextids)) {
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$cats[] = $ccat;
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}
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}
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}
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}
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} catch (\dml_missing_record_exception $x) {
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// ignore context
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}
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}
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$list = [];
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foreach ($cats as $cat) {
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$count = 0;
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$ctxid = $cat->get_context()->id;
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if (array_key_exists($ctxid, $contextcounts)) {
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$count = $contextcounts[$ctxid];
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}
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$o = new \stdClass();
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$o->cat = $cat;
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$o->ctxid = $ctxid;
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$o->count = $count;
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$list[] = $o;
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}
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return $list;
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}
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/**************************************
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*
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* Progress scanners for teacherview
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*
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**************************************/
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/**
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* Return value description for scan_grade_progress function
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* @return external_function_parameters
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*/
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public static function scan_grade_progress_parameters() : \external_function_parameters {
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return new \external_function_parameters( [
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"gradeitemid" => new \external_value(PARAM_INT, 'Grade item ID to scan progress for', VALUE_DEFAULT),
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"studyplanid" => new \external_value(PARAM_INT, 'Study plan id to check progress in', VALUE_DEFAULT),
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]);
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}
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/**
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* Parameter description for scan_grade_progress function
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*/
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public static function scan_grade_progress_returns() : \external_description {
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return gradingscanner::structure(VALUE_REQUIRED);
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}
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/**
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* Scan grade item for progress statistics
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* @param mixed $gradeitemid Grade item id
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* @param mixed $studyplanid Id of studyitem the grade is selected in
|
|
* @return array
|
|
*/
|
|
public static function scan_grade_progress($gradeitemid, $studyplanid) {
|
|
global $DB;
|
|
// Verify access to the study plan.
|
|
$o = studyplan::find_by_id($studyplanid);
|
|
webservicehelper::require_capabilities(self::CAP_VIEW, $o->context());
|
|
|
|
// Retrieve grade item.
|
|
$gi = \grade_item::fetch(["id" => $gradeitemid]);
|
|
|
|
// Validate course is linked to studyplan.
|
|
$courseid = $gi->courseid;
|
|
if (!$o->course_linked($courseid)) {
|
|
throw new \webservice_access_exception(
|
|
"Course {$courseid} linked to grade item {$gradeitemid} is not linked to studyplan {$o->id()}"
|
|
);
|
|
}
|
|
|
|
$scanner = new gradingscanner($gi);
|
|
return $scanner->model();
|
|
}
|
|
|
|
/**
|
|
* Return value description for scan_completion_progress function
|
|
*/
|
|
public static function scan_completion_progress_parameters() : \external_function_parameters {
|
|
return new \external_function_parameters( [
|
|
"criteriaid" => new \external_value(PARAM_INT, 'CriteriaID to scan progress for', VALUE_DEFAULT),
|
|
"studyplanid" => new \external_value(PARAM_INT, 'Study plan id to check progress in', VALUE_DEFAULT),
|
|
"courseid" => new \external_value(PARAM_INT, 'Course id of criteria', VALUE_DEFAULT),
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Parameter description for scan_completion_progress function
|
|
*/
|
|
public static function scan_completion_progress_returns() : \external_description {
|
|
return completionscanner::structure(VALUE_REQUIRED);
|
|
}
|
|
|
|
/**
|
|
* Scan criterium for progress statistics
|
|
* @param mixed $criteriaid Id of criterium
|
|
* @param mixed $studyitemid Id of studyplan relevant to this criteria
|
|
* @return array
|
|
*/
|
|
public static function scan_completion_progress($criteriaid, $studyitemid) {
|
|
global $DB;
|
|
// Verify access to the study plan.
|
|
$item = studyitem::find_by_id($studyitemid);
|
|
$o = $item->studyline()->studyplan();
|
|
webservicehelper::require_capabilities(self::CAP_VIEW, $o->context());
|
|
|
|
$crit = \completion_criteria::fetch(["id" => $criteriaid]);
|
|
$scanner = new completionscanner($crit, $studyitemid);
|
|
return $scanner->model();
|
|
}
|
|
|
|
/**
|
|
* Return value description for scan_badge_progress function
|
|
*/
|
|
public static function scan_badge_progress_parameters() : \external_function_parameters {
|
|
return new \external_function_parameters( [
|
|
"badgeid" => new \external_value(PARAM_INT, 'Badge to scan progress for', VALUE_DEFAULT),
|
|
"studyplanid" => new \external_value(PARAM_INT,
|
|
'Study plan id to limit progress search to (to determine which students to scan)', VALUE_DEFAULT),
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Parameter description for scan_badge_progress function
|
|
*/
|
|
public static function scan_badge_progress_returns() : \external_description {
|
|
return new \external_single_structure([
|
|
"total" => new \external_value(PARAM_INT, 'Total number of students scanned'),
|
|
"issued" => new \external_value(PARAM_INT, 'Number of issued badges'),
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* Scan badge for completion progress statistica
|
|
* @param mixed $badgeid ID of the badge
|
|
* @param mixed $studyplanid ID of the relevant study plan
|
|
* @return array
|
|
*/
|
|
public static function scan_badge_progress($badgeid, $studyplanid) {
|
|
global $DB;
|
|
// Check access to the study plan.
|
|
$o = studyplan::find_by_id($studyplanid);
|
|
webservicehelper::require_capabilities(self::CAP_VIEW, $o->context());
|
|
|
|
// Validate that badge is linked to studyplan.
|
|
if (!$o->badge_linked($badgeid)) {
|
|
throw new \webservice_access_exception("Badge {$badgeid} is not linked to studyplan {$o->id()}");
|
|
}
|
|
|
|
// Get badge info.
|
|
$badge = new \core_badges\badge($badgeid);
|
|
$badgeinfo = new badgeinfo($badge);
|
|
|
|
// Get the connected users.
|
|
$students = associationservice::all_associated($studyplanid);
|
|
// Just get the user ids.
|
|
$studentids = array_map(function ($a) {
|
|
return $a["id"];
|
|
}, $students);
|
|
|
|
return [
|
|
"total" => count($studentids),
|
|
"issued" => $badgeinfo->count_issued($studentids),
|
|
];
|
|
}
|
|
}
|