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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are 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/>.

/**
 * Book external API
 *
 * @package    mod_book
 * @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");
> use core_course\external\helper_for_get_mods_by_courses; > use core_external\external_api; > use core_external\external_function_parameters; > use core_external\external_multiple_structure; > use core_external\external_single_structure; > use core_external\external_value; > use core_external\external_warnings; > use core_external\util;
/** * Book external functions * * @package mod_book * @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_book_external extends external_api { /** * Returns description of method parameters * * @return external_function_parameters * @since Moodle 3.0 */ public static function view_book_parameters() { return new external_function_parameters( array( 'bookid' => new external_value(PARAM_INT, 'book instance id'), 'chapterid' => new external_value(PARAM_INT, 'chapter id', VALUE_DEFAULT, 0) ) ); } /** * Simulate the book/view.php web interface page: trigger events, completion, etc... * * @param int $bookid the book instance id * @param int $chapterid the book chapter id * @return array of warnings and status result * @since Moodle 3.0 * @throws moodle_exception */ public static function view_book($bookid, $chapterid = 0) { global $DB, $CFG; require_once($CFG->dirroot . "/mod/book/lib.php"); require_once($CFG->dirroot . "/mod/book/locallib.php"); $params = self::validate_parameters(self::view_book_parameters(), array( 'bookid' => $bookid, 'chapterid' => $chapterid )); $bookid = $params['bookid']; $chapterid = $params['chapterid']; $warnings = array(); // Request and permission validation. $book = $DB->get_record('book', array('id' => $bookid), '*', MUST_EXIST); list($course, $cm) = get_course_and_cm_from_instance($book, 'book'); $context = context_module::instance($cm->id); self::validate_context($context); require_capability('mod/book:read', $context); $chapters = book_preload_chapters($book); $firstchapterid = 0;
< $lastchapterid = 0;
foreach ($chapters as $ch) { if ($ch->hidden) { continue; } if (!$firstchapterid) { $firstchapterid = $ch->id; }
< $lastchapterid = $ch->id;
} if (!$chapterid) { // Trigger the module viewed events since we are displaying the book. book_view($book, null, false, $course, $cm, $context); $chapterid = $firstchapterid; } // Check if book is empty (warning). if (!$chapterid) { $warnings[] = array( 'item' => 'book', 'itemid' => $book->id, 'warningcode' => '1', 'message' => get_string('nocontent', 'mod_book') ); } else { $chapter = $DB->get_record('book_chapters', array('id' => $chapterid, 'bookid' => $book->id)); $viewhidden = has_capability('mod/book:viewhiddenchapters', $context); if (!$chapter or ($chapter->hidden and !$viewhidden)) { throw new moodle_exception('errorchapter', 'mod_book'); } // Trigger the chapter viewed event.
< $islastchapter = ($chapter->id == $lastchapterid) ? true : false; < book_view($book, $chapter, $islastchapter, $course, $cm, $context);
> book_view($book, $chapter, \mod_book\helper::is_last_visible_chapter($chapterid, $chapters), $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_book_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_books_by_courses. * * @return external_function_parameters * @since Moodle 3.0 */ public static function get_books_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 books in a provided list of courses, * if no list is provided all books that the user can view will be returned. * * @param array $courseids the course ids * @return array of books details * @since Moodle 3.0 */ public static function get_books_by_courses($courseids = array()) {
< global $CFG;
$returnedbooks = array(); $warnings = array(); $params = self::validate_parameters(self::get_books_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'], $courses);
> list($courses, $warnings) = util::validate_courses($params['courseids'], $courses);
// Get the books in this course, this function checks users visibility permissions. // We can avoid then additional validate_context calls. $books = get_all_instances_in_courses("book", $courses); foreach ($books as $book) {
< $context = context_module::instance($book->coursemodule);
// Entry to return.
< $bookdetails = array(); < // First, we return information that any user can see in the web interface. < $bookdetails['id'] = $book->id; < $bookdetails['coursemodule'] = $book->coursemodule; < $bookdetails['course'] = $book->course; < $bookdetails['name'] = external_format_string($book->name, $context->id); < // Format intro. < $options = array('noclean' => true); < list($bookdetails['intro'], $bookdetails['introformat']) = < external_format_text($book->intro, $book->introformat, $context->id, 'mod_book', 'intro', null, $options); < $bookdetails['introfiles'] = external_util::get_area_files($context->id, 'mod_book', 'intro', false, false);
> $bookdetails = helper_for_get_mods_by_courses::standard_coursemodule_element_values($book, 'mod_book');
$bookdetails['numbering'] = $book->numbering; $bookdetails['navstyle'] = $book->navstyle; $bookdetails['customtitles'] = $book->customtitles;
< if (has_capability('moodle/course:manageactivities', $context)) {
> if (has_capability('moodle/course:manageactivities', context_module::instance($book->coursemodule))) {
$bookdetails['revision'] = $book->revision; $bookdetails['timecreated'] = $book->timecreated; $bookdetails['timemodified'] = $book->timemodified;
< $bookdetails['section'] = $book->section; < $bookdetails['visible'] = $book->visible; < $bookdetails['groupmode'] = $book->groupmode; < $bookdetails['groupingid'] = $book->groupingid;
} $returnedbooks[] = $bookdetails; } } $result = array(); $result['books'] = $returnedbooks; $result['warnings'] = $warnings; return $result; } /** * Describes the get_books_by_courses return value. * * @return external_single_structure * @since Moodle 3.0 */ public static function get_books_by_courses_returns() { return new external_single_structure( array( 'books' => new external_multiple_structure(
< new external_single_structure( < array( < 'id' => new external_value(PARAM_INT, 'Book id'), < 'coursemodule' => new external_value(PARAM_INT, 'Course module id'), < 'course' => new external_value(PARAM_INT, 'Course id'), < 'name' => new external_value(PARAM_RAW, 'Book name'), < 'intro' => new external_value(PARAM_RAW, 'The Book intro'), < 'introformat' => new external_format_value('intro'), < 'introfiles' => new external_files('Files in the introduction text', VALUE_OPTIONAL),
> new external_single_structure(array_merge( > helper_for_get_mods_by_courses::standard_coursemodule_elements_returns(), > [
'numbering' => new external_value(PARAM_INT, 'Book numbering configuration'), 'navstyle' => new external_value(PARAM_INT, 'Book navigation style configuration'), 'customtitles' => new external_value(PARAM_INT, 'Book custom titles type'), 'revision' => new external_value(PARAM_INT, 'Book revision', VALUE_OPTIONAL), 'timecreated' => new external_value(PARAM_INT, 'Time of creation', VALUE_OPTIONAL), 'timemodified' => new external_value(PARAM_INT, 'Time of last modification', VALUE_OPTIONAL),
< 'section' => new external_value(PARAM_INT, 'Course section id', VALUE_OPTIONAL), < 'visible' => new external_value(PARAM_BOOL, 'Visible', VALUE_OPTIONAL), < 'groupmode' => new external_value(PARAM_INT, 'Group mode', VALUE_OPTIONAL), < 'groupingid' => new external_value(PARAM_INT, 'Group id', VALUE_OPTIONAL), < ), 'Books' < )
> ] > ), 'Books')
), 'warnings' => new external_warnings(), ) ); }
<
}