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MDL-57457 mod_book: Implement tagging

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This commit is contained in:
Andrew Hancox 2017-03-24 15:34:45 +00:00 committed by Marina Glancy
parent 8e96553708
commit 0178314682
14 changed files with 395 additions and 5 deletions
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22
mod/book/backup/moodle2/backup_book_stepslib.php
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@ -31,6 +31,9 @@ class backup_book_activity_structure_step extends backup_activity_structure_step
protected function define_structure() {
// To know if we are including userinfo.
$userinfo = $this->get_setting_value('userinfo');
// Define each element separated.
$book = new backup_nested_element('book', array('id'), array(
'name', 'intro', 'introformat', 'numbering', 'navstyle',
@ -40,6 +43,9 @@ class backup_book_activity_structure_step extends backup_activity_structure_step
'pagenum', 'subchapter', 'title', 'content', 'contentformat',
'hidden', 'timemcreated', 'timemodified', 'importsrc'));
$tags = new backup_nested_element('tags');
$tag = new backup_nested_element('tag', array('id'), array('name', 'rawname'));
$book->add_child($chapters);
$chapters->add_child($chapter);
@ -51,6 +57,22 @@ class backup_book_activity_structure_step extends backup_activity_structure_step
$book->annotate_files('mod_book', 'intro', null); // This file area hasn't itemid
$chapter->annotate_files('mod_book', 'chapter', 'id');
$chapter->add_child($tags);
$tags->add_child($tag);
// All these source definitions only happen if we are including user info.
if ($userinfo) {
$tag->set_source_sql('SELECT t.id, t.name, t.rawname
FROM {tag} t
JOIN {tag_instance} ti ON ti.tagid = t.id
WHERE ti.itemtype = ?
AND ti.component = ?
AND ti.itemid = ?', array(
backup_helper::is_sqlparam('book_chapters'),
backup_helper::is_sqlparam('mod_book'),
backup::VAR_PARENTID));
}
// Return the root element (book), wrapped into standard activity structure
return $this->prepare_activity_structure($book);
}

20
mod/book/backup/moodle2/restore_book_stepslib.php
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@ -30,12 +30,16 @@ defined('MOODLE_INTERNAL') || die;
class restore_book_activity_structure_step extends restore_activity_structure_step {
protected function define_structure() {
$paths = array();
$userinfo = $this->get_setting_value('userinfo');
$paths[] = new restore_path_element('book', '/activity/book');
$paths[] = new restore_path_element('book_chapter', '/activity/book/chapters/chapter');
if ($userinfo) {
$paths[] = new restore_path_element('book_tag', '/activity/book/chapters/chapter/tags/tag');
}
// Return the paths wrapped into standard activity structure
return $this->prepare_activity_structure($paths);
}
@ -72,6 +76,20 @@ class restore_book_activity_structure_step extends restore_activity_structure_st
$this->set_mapping('book_chapter', $oldid, $newitemid, true);
}
protected function process_book_tag($data) {
$data = (object)$data;
if (!core_tag_tag::is_enabled('mod_book', 'book_chapters')) { // Tags disabled in server, nothing to process.
return;
}
$tag = $data->rawname;
$itemid = $this->get_new_parentid('book_chapter');
$context = context_module::instance($this->task->get_moduleid());
core_tag_tag::add_item_tag('mod_book', 'book_chapters', $itemid, $context, $tag);
}
protected function after_execute() {
global $DB;

35
mod/book/db/tag.php Normal file
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@ -0,0 +1,35 @@
<?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/>.
/**
* Tag areas in component mod_book
*
* @package mod_book
* @copyright 2017 Andrew Hancox <andrewdchancox@googlemail.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
$tagareas = array(
array(
'itemtype' => 'book_chapters',
'component' => 'mod_book',
'callback' => 'mod_book_get_tagged_chapters',
'callbackfile' => '/mod/book/locallib.php',
),
);

2
mod/book/delete.php
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@ -65,6 +65,7 @@ if ($confirm) {
break;
} else {
// This is subchapter of the chapter being removed.
core_tag_tag::remove_all_item_tags('mod_book', 'book_chapters', $ch->id);
$fs->delete_area_files($context->id, 'mod_book', 'chapter', $ch->id);
$DB->delete_records('book_chapters', ['id' => $ch->id]);
\mod_book\event\chapter_deleted::create_from_chapter($book, $context, $ch)->trigger();
@ -76,6 +77,7 @@ if ($confirm) {
}
// Now delete the actual chapter.
core_tag_tag::remove_all_item_tags('mod_book', 'book_chapters', $chapter->id);
$fs->delete_area_files($context->id, 'mod_book', 'chapter', $chapter->id);
$DB->delete_records('book_chapters', ['id' => $chapter->id]);

13
mod/book/edit.php
View File

@ -75,9 +75,9 @@ if ($mform->is_cancelled()) {
$DB->update_record('book_chapters', $data);
$DB->set_field('book', 'revision', $book->revision+1, array('id'=>$book->id));
$chapter = $DB->get_record('book_chapters', array('id' => $data->id));
core_tag_tag::set_item_tags('mod_book', 'book_chapters', $chapter->id, $context, $data->tags);
\mod_book\event\chapter_updated::create_from_chapter($book, $context, $chapter)->trigger();
} else {
// adding new chapter
$data->bookid = $book->id;
@ -102,6 +102,10 @@ if ($mform->is_cancelled()) {
$DB->set_field('book', 'revision', $book->revision+1, array('id'=>$book->id));
$chapter = $DB->get_record('book_chapters', array('id' => $data->id));
if (core_tag_tag::is_enabled('mod_book', 'book_chapters') && isset($data->tags)) {
core_tag_tag::set_item_tags('mod_book', 'book_chapters', $chapter->id, $context, $data->tags);
}
\mod_book\event\chapter_created::create_from_chapter($book, $context, $chapter)->trigger();
}
@ -120,6 +124,11 @@ if ($chapters = book_preload_chapters($book)) {
echo $OUTPUT->header();
echo $OUTPUT->heading($book->name);
$mform->display();
if (core_tag_tag::is_enabled('mod_book', 'book_chapters')) {
$data = new StdClass();
$data->tags = core_tag_tag::get_item_tags_array('mod_book', 'book_chapters', $chapter->id);
$mform->set_data($data);
$mform->display();
}
echo $OUTPUT->footer();

7
mod/book/edit_form.php
View File

@ -58,6 +58,13 @@ class book_chapter_edit_form extends moodleform {
$mform->setType('content_editor', PARAM_RAW);
$mform->addRule('content_editor', get_string('required'), 'required', null, 'client');
if (core_tag_tag::is_enabled('mod_book', 'book_chapters')) {
$mform->addElement('header', 'tagshdr', get_string('tags', 'tag'));
$mform->addElement('tags', 'tags', get_string('tags'),
array('itemtype' => 'book_chapters', 'component' => 'mod_book'));
}
$mform->addElement('hidden', 'id');
$mform->setType('id', PARAM_INT);

5
mod/book/lang/en/book.php
View File

@ -100,3 +100,8 @@ $string['page-mod-book-x'] = 'Any book module page';
$string['subchapternotice'] = '(Only available once the first chapter has been created)';
$string['subplugintype_booktool'] = 'Book tool';
$string['subplugintype_booktool_plural'] = 'Book tools';
$string['removeallbooktags'] = 'Remove all book tags';
$string['tagarea_book_chapters'] = 'Book chapters';
$string['tagsdeleted'] = 'Book tags have been deleted';
$string['tagtitle'] = 'See the "{$a}" tag';

114
mod/book/locallib.php
View File

@ -417,6 +417,120 @@ function book_get_toc($chapters, $chapter, $book, $cm, $edit) {
return $toc;
}
/**
* Returns book chapters tagged with a specified tag.
*
* This is a callback used by the tag area mod_book/book_chapters to search for book chapters
* tagged with a specific tag.
*
* @param core_tag_tag $tag
* @param bool $exclusivemode if set to true it means that no other entities tagged with this tag
* are displayed on the page and the per-page limit may be bigger
* @param int $fromctx context id where the link was displayed, may be used by callbacks
* to display items in the same context first
* @param int $ctx context id where to search for records
* @param bool $rec search in subcontexts as well
* @param int $page 0-based number of page being displayed
* @return \core_tag\output\tagindex
*/
function mod_book_get_tagged_chapters($tag, $exclusivemode = false, $fromctx = 0, $ctx = 0, $rec = true, $page = 0) {
global $OUTPUT;
$perpage = $exclusivemode ? 20 : 5;
// Build the SQL query.
$ctxselect = context_helper::get_preload_record_columns_sql('ctx');
$query = "SELECT bc.id, bc.title, bc.bookid, bc.hidden,
cm.id AS cmid, c.id AS courseid, c.shortname, c.fullname, $ctxselect
FROM {book_chapters} bc
JOIN {book} b ON b.id = bc.bookid
JOIN {modules} m ON m.name='book'
JOIN {course_modules} cm ON cm.module = m.id AND cm.instance = b.id
JOIN {tag_instance} tt ON bc.id = tt.itemid
JOIN {course} c ON cm.course = c.id
JOIN {context} ctx ON ctx.instanceid = cm.id AND ctx.contextlevel = :coursemodulecontextlevel
WHERE tt.itemtype = :itemtype AND tt.tagid = :tagid AND tt.component = :component
AND cm.deletioninprogress = 0
AND bc.id %ITEMFILTER% AND c.id %COURSEFILTER%";
$params = array('itemtype' => 'book_chapters', 'tagid' => $tag->id, 'component' => 'mod_book',
'coursemodulecontextlevel' => CONTEXT_MODULE);
if ($ctx) {
$context = $ctx ? context::instance_by_id($ctx) : context_system::instance();
$query .= $rec ? ' AND (ctx.id = :contextid OR ctx.path LIKE :path)' : ' AND ctx.id = :contextid';
$params['contextid'] = $context->id;
$params['path'] = $context->path.'/%';
}
$query .= " ORDER BY ";
if ($fromctx) {
// In order-clause specify that modules from inside "fromctx" context should be returned first.
$fromcontext = context::instance_by_id($fromctx);
$query .= ' (CASE WHEN ctx.id = :fromcontextid OR ctx.path LIKE :frompath THEN 0 ELSE 1 END),';
$params['fromcontextid'] = $fromcontext->id;
$params['frompath'] = $fromcontext->path.'/%';
}
$query .= ' c.sortorder, cm.id, bc.id';
$totalpages = $page + 1;
// Use core_tag_index_builder to build and filter the list of items.
$builder = new core_tag_index_builder('mod_book', 'book_chapters', $query, $params, $page * $perpage, $perpage + 1);
while ($item = $builder->has_item_that_needs_access_check()) {
context_helper::preload_from_record($item);
$courseid = $item->courseid;
if (!$builder->can_access_course($courseid)) {
$builder->set_accessible($item, false);
continue;
}
$modinfo = get_fast_modinfo($builder->get_course($courseid));
// Set accessibility of this item and all other items in the same course.
$builder->walk(function ($taggeditem) use ($courseid, $modinfo, $builder) {
if ($taggeditem->courseid == $courseid) {
$accessible = false;
if (($cm = $modinfo->get_cm($taggeditem->cmid)) && $cm->uservisible) {
if (empty($taggeditem->hidden)) {
$accessible = true;
} else {
$accessible = has_capability('mod/book:viewhiddenchapters', context_module::instance($cm->id));
}
}
$builder->set_accessible($taggeditem, $accessible);
}
});
}
$items = $builder->get_items();
if (count($items) > $perpage) {
$totalpages = $page + 2; // We don't need exact page count, just indicate that the next page exists.
array_pop($items);
}
// Build the display contents.
if ($items) {
$tagfeed = new core_tag\output\tagfeed();
foreach ($items as $item) {
context_helper::preload_from_record($item);
$modinfo = get_fast_modinfo($item->courseid);
$cm = $modinfo->get_cm($item->cmid);
$pageurl = new moodle_url('/mod/book/view.php', array('chapterid' => $item->id, 'b' => $item->bookid));
$pagename = format_string($item->title, true, array('context' => context_module::instance($item->cmid)));
$pagename = html_writer::link($pageurl, $pagename);
$courseurl = course_get_url($item->courseid, $cm->sectionnum);
$cmname = html_writer::link($cm->url, $cm->get_formatted_name());
$coursename = format_string($item->fullname, true, array('context' => context_course::instance($item->courseid)));
$coursename = html_writer::link($courseurl, $coursename);
$icon = html_writer::link($pageurl, html_writer::empty_tag('img', array('src' => $cm->get_icon_url())));
$tagfeed->add($icon, $pagename, $cmname.'<br>'.$coursename);
}
$content = $OUTPUT->render_from_template('core_tag/tagfeed',
$tagfeed->export_for_template($OUTPUT));
return new core_tag\output\tagindex($tag, 'mod_book', 'book_chapters', $content,
$exclusivemode, $fromctx, $ctx, $rec, $page, $totalpages);
}
}
/**
* File browsing support class

73
mod/book/tests/behat/edit_tags.feature Normal file
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@ -0,0 +1,73 @@
@mod @mod_book @core_tag @javascript
Feature: Edited book chapters handle tags correctly
In order to get book chapters properly labelled
As a user
I need to introduce the tags while editing
Background:
Given the following "users" exist:
| username | firstname | lastname | email |
| teacher1 | Teacher | 1 | teacher1@example.com |
| student1 | Student | 1 | student1@example.com |
And the following "courses" exist:
| fullname | shortname | format |
| Course 1 | C1 | topics |
And the following "course enrolments" exist:
| user | course | role |
| teacher1 | C1 | editingteacher |
| student1 | C1 | student |
And I log in as "teacher1"
And I follow "Course 1"
And I turn editing mode on
And I add a "Book" to section "1" and I fill the form with:
| Name | Test book |
| Description | A book about dreams! |
And I log out
Scenario: Book chapter edition of custom tags works as expected
Given I log in as "teacher1"
And I follow "Course 1"
And I follow "Test book"
And I set the following fields to these values:
| Chapter title | Dummy first chapter |
| Content | Dream is the start of a journey |
| Tags | Example, Chapter, Cool |
And I press "Save changes"
Then I should see "Example" in the ".book-tags" "css_element"
And I should see "Chapter" in the ".book-tags" "css_element"
And I should see "Cool" in the ".book-tags" "css_element"
And I press "Turn editing on"
And I follow "Edit chapter \"1. Dummy first chapter\""
Then I should see "Example" in the ".form-autocomplete-selection" "css_element"
Then I should see "Chapter" in the ".form-autocomplete-selection" "css_element"
Then I should see "Cool" in the ".form-autocomplete-selection" "css_element"
@javascript
Scenario: Book chapter edition of standard tags works as expected
Given I log in as "admin"
And I navigate to "Appearance > Manage tags" in site administration
And I follow "Default collection"
And I follow "Add standard tags"
And I set the field "Enter comma-separated list of new tags" to "OT1, OT2, OT3"
And I press "Continue"
And I log out
And I log in as "teacher1"
And I follow "Course 1"
And I follow "Test book"
And I click on ".form-autocomplete-downarrow" "css_element"
And I should see "OT1" in the ".form-autocomplete-suggestions" "css_element"
And I should see "OT2" in the ".form-autocomplete-suggestions" "css_element"
And I should see "OT3" in the ".form-autocomplete-suggestions" "css_element"
When I set the following fields to these values:
| Chapter title | Dummy first chapter |
| Content | Dream is the start of a journey |
| Tags | OT1, OT3 |
And I press "Save changes"
Then I should see "OT1" in the ".book-tags" "css_element"
And I should see "OT3" in the ".book-tags" "css_element"
And I should not see "OT2" in the ".book-tags" "css_element"
And I press "Turn editing on"
And I follow "Edit chapter \"1. Dummy first chapter\""
And I should see "OT1" in the ".form-autocomplete-selection" "css_element"
And I should see "OT3" in the ".form-autocomplete-selection" "css_element"
And I should not see "OT2" in the ".form-autocomplete-selection" "css_element"

8
mod/book/tests/generator/lib.php
View File

@ -117,6 +117,14 @@ class mod_book_generator extends testing_module_generator {
WHERE id = ?";
$DB->execute($sql, array($record->bookid));
if (property_exists($record, 'tags')) {
$cm = get_coursemodule_from_instance('book', $record->bookid);
$tags = is_array($record->tags) ? $record->tags : preg_split('/,/', $record->tags);
core_tag_tag::set_item_tags('mod_book', 'book_chapters', $record->id,
context_module::instance($cm->id), $tags);
}
return $record;
}

5
mod/book/tests/generator_test.php
View File

@ -62,10 +62,13 @@ class mod_book_generator_testcase extends advanced_testcase {
$bookgenerator->create_chapter(array('bookid' => $book->id));
$this->assertTrue($DB->record_exists('book_chapters', array('bookid' => $book->id)));
$chapter = $bookgenerator->create_chapter(array('bookid' => $book->id, 'content' => 'Yay!', 'title' => 'Oops'));
$chapter = $bookgenerator->create_chapter(
array('bookid' => $book->id, 'content' => 'Yay!', 'title' => 'Oops', 'tags' => array('Cats', 'mice')));
$this->assertEquals(2, $DB->count_records('book_chapters', array('bookid' => $book->id)));
$this->assertEquals('Oops', $DB->get_field_select('book_chapters', 'title', 'id = :id', array('id' => $chapter->id)));
$this->assertEquals('Yay!', $DB->get_field_select('book_chapters', 'content', 'id = :id', array('id' => $chapter->id)));
$this->assertEquals(array('Cats', 'mice'),
array_values(core_tag_tag::get_item_tags_array('mod_book', 'book_chapters', $chapter->id)));
$chapter = $bookgenerator->create_content($book);
$this->assertEquals(3, $DB->count_records('book_chapters', array('bookid' => $book->id)));

90
mod/book/tests/lib_test.php
View File

@ -236,4 +236,94 @@ class mod_book_lib_testcase extends advanced_testcase {
return calendar_event::create($event);
}
public function test_mod_book_get_tagged_chapters() {
global $DB;
$this->resetAfterTest();
$this->setAdminUser();
// Setup test data.
$bookgenerator = $this->getDataGenerator()->get_plugin_generator('mod_book');
$course3 = $this->getDataGenerator()->create_course();
$course2 = $this->getDataGenerator()->create_course();
$course1 = $this->getDataGenerator()->create_course();
$book1 = $this->getDataGenerator()->create_module('book', array('course' => $course1->id));
$book2 = $this->getDataGenerator()->create_module('book', array('course' => $course2->id));
$book3 = $this->getDataGenerator()->create_module('book', array('course' => $course3->id));
$chapter11 = $bookgenerator->create_content($book1, array('tags' => array('Cats', 'Dogs')));
$chapter12 = $bookgenerator->create_content($book1, array('tags' => array('Cats', 'mice')));
$chapter13 = $bookgenerator->create_content($book1, array('tags' => array('Cats')));
$chapter14 = $bookgenerator->create_content($book1);
$chapter15 = $bookgenerator->create_content($book1, array('tags' => array('Cats')));
$chapter16 = $bookgenerator->create_content($book1, array('tags' => array('Cats'), 'hidden' => true));
$chapter21 = $bookgenerator->create_content($book2, array('tags' => array('Cats')));
$chapter22 = $bookgenerator->create_content($book2, array('tags' => array('Cats', 'Dogs')));
$chapter23 = $bookgenerator->create_content($book2, array('tags' => array('mice', 'Cats')));
$chapter31 = $bookgenerator->create_content($book3, array('tags' => array('mice', 'Cats')));
$tag = core_tag_tag::get_by_name(0, 'Cats');
// Admin can see everything.
$res = mod_book_get_tagged_chapters($tag, /*$exclusivemode = */false,
/*$fromctx = */0, /*$ctx = */0, /*$rec = */1, /*$chapter = */0);
$this->assertRegExp('/'.$chapter11->title.'</', $res->content);
$this->assertRegExp('/'.$chapter12->title.'</', $res->content);
$this->assertRegExp('/'.$chapter13->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter14->title.'</', $res->content);
$this->assertRegExp('/'.$chapter15->title.'</', $res->content);
$this->assertRegExp('/'.$chapter16->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter21->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter22->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter23->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter31->title.'</', $res->content);
$this->assertEmpty($res->prevpageurl);
$this->assertNotEmpty($res->nextpageurl);
$res = mod_book_get_tagged_chapters($tag, /*$exclusivemode = */false,
/*$fromctx = */0, /*$ctx = */0, /*$rec = */1, /*$chapter = */1);
$this->assertNotRegExp('/'.$chapter11->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter12->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter13->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter14->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter15->title.'</', $res->content);
$this->assertNotRegExp('/'.$chapter16->title.'</', $res->content);
$this->assertRegExp('/'.$chapter21->title.'</', $res->content);
$this->assertRegExp('/'.$chapter22->title.'</', $res->content);
$this->assertRegExp('/'.$chapter23->title.'</', $res->content);
$this->assertRegExp('/'.$chapter31->title.'</', $res->content);
$this->assertNotEmpty($res->prevpageurl);
$this->assertEmpty($res->nextpageurl);
// Create and enrol a user.
$student = self::getDataGenerator()->create_user();
$studentrole = $DB->get_record('role', array('shortname' => 'student'));
$this->getDataGenerator()->enrol_user($student->id, $course1->id, $studentrole->id, 'manual');
$this->getDataGenerator()->enrol_user($student->id, $course2->id, $studentrole->id, 'manual');
$this->setUser($student);
core_tag_index_builder::reset_caches();
// User can not see chapters in course 3 because he is not enrolled.
$res = mod_book_get_tagged_chapters($tag, /*$exclusivemode = */false,
/*$fromctx = */0, /*$ctx = */0, /*$rec = */1, /*$chapter = */1);
$this->assertRegExp('/'.$chapter22->title.'/', $res->content);
$this->assertRegExp('/'.$chapter23->title.'/', $res->content);
$this->assertNotRegExp('/'.$chapter31->title.'/', $res->content);
// User can search book chapters inside a course.
$coursecontext = context_course::instance($course1->id);
$res = mod_book_get_tagged_chapters($tag, /*$exclusivemode = */false,
/*$fromctx = */0, /*$ctx = */$coursecontext->id, /*$rec = */1, /*$chapter = */0);
$this->assertRegExp('/'.$chapter11->title.'/', $res->content);
$this->assertRegExp('/'.$chapter12->title.'/', $res->content);
$this->assertRegExp('/'.$chapter13->title.'/', $res->content);
$this->assertNotRegExp('/'.$chapter14->title.'/', $res->content);
$this->assertRegExp('/'.$chapter15->title.'/', $res->content);
$this->assertNotRegExp('/'.$chapter21->title.'/', $res->content);
$this->assertNotRegExp('/'.$chapter22->title.'/', $res->content);
$this->assertNotRegExp('/'.$chapter23->title.'/', $res->content);
$this->assertEmpty($res->nextpageurl);
// User cannot see hidden chapters.
$this->assertNotRegExp('/'.$chapter16->title.'/', $res->content);
}
}

2
mod/book/version.php
View File

@ -25,6 +25,6 @@
defined('MOODLE_INTERNAL') || die;
$plugin->component = 'mod_book'; // Full name of the plugin (used for diagnostics)
$plugin->version = 2016120500; // The current module version (Date: YYYYMMDDXX)
$plugin->version = 2016120501; // The current module version (Date: YYYYMMDDXX)
$plugin->requires = 2016112900; // Requires this Moodle version
$plugin->cron = 0; // Period for cron to check this module (secs)

4
mod/book/view.php
View File

@ -237,6 +237,10 @@ echo format_text($chaptertext, $chapter->contentformat, array('noclean'=>true, '
echo $OUTPUT->box_end();
if (core_tag_tag::is_enabled('mod_book', 'book_chapters')) {
echo $OUTPUT->tag_list(core_tag_tag::get_item_tags('mod_book', 'book_chapters', $chapter->id), null, 'book-tags');
}
if ($book->navstyle) {
// Lower navigation.
echo '<div class="navbottom clearfix ' . $navclasses[$book->navstyle] . '">' . $chnavigation . '</div>';