MDL-61836 core_blog: Implement privacy API

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Frédéric Massart 2018-04-04 13:16:44 +08:00
parent 20bf0c45ff
commit ce1ec9b4d9
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Data provider.
*
* @package core_blog
* @copyright 2018 Frédéric Massart
* @author Frédéric Massart <fred@branchup.tech>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core_blog\privacy;
defined('MOODLE_INTERNAL') || die();
use blog_entry;
use context;
use context_helper;
use context_user;
use context_system;
use core_tag_tag;
use core_privacy\local\metadata\collection;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\transform;
use core_privacy\local\request\writer;
require_once($CFG->dirroot . '/blog/locallib.php');
/**
* Data provider class.
*
* @package core_blog
* @copyright 2018 Frédéric Massart
* @author Frédéric Massart <fred@branchup.tech>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class provider implements
\core_privacy\local\metadata\provider,
\core_privacy\local\request\subsystem\provider {
/**
* Returns metadata.
*
* @param collection $collection The initialised collection to add items to.
* @return collection A listing of user data stored through this system.
*/
public static function get_metadata(collection $collection) : collection {
$collection->add_database_table('post', [
'userid' => 'privacy:metadata:post:userid',
'subject' => 'privacy:metadata:post:subject',
'summary' => 'privacy:metadata:post:summary',
'uniquehash' => 'privacy:metadata:post:uniquehash',
'publishstate' => 'privacy:metadata:post:publishstate',
'created' => 'privacy:metadata:post:created',
'lastmodified' => 'privacy:metadata:post:lastmodified',
// The following columns are unused:
// coursemoduleid, courseid, moduleid, groupid, rating, usermodified.
], 'privacy:metadata:post');
$collection->link_subsystem('core_comments', 'privacy:metadata:core_comments');
$collection->link_subsystem('core_files', 'privacy:metadata:core_files');
$collection->link_subsystem('core_tag', 'privacy:metadata:core_tag');
$collection->add_database_table('blog_external', [
'userid' => 'privacy:metadata:external:userid',
'name' => 'privacy:metadata:external:name',
'description' => 'privacy:metadata:external:description',
'url' => 'privacy:metadata:external:url',
'filtertags' => 'privacy:metadata:external:filtertags',
'timemodified' => 'privacy:metadata:external:timemodified',
'timefetched' => 'privacy:metadata:external:timefetched',
], 'privacy:metadata:external');
// We do not report on blog_association because this is just context-related data.
return $collection;
}
/**
* Get the list of contexts that contain user information for the specified user.
*
* @param int $userid The user to search.
* @return contextlist $contextlist The contextlist containing the list of contexts used in this plugin.
*/
public static function get_contexts_for_userid(int $userid) : \core_privacy\local\request\contextlist {
global $DB;
$contextlist = new \core_privacy\local\request\contextlist();
// There are at least one blog post.
if ($DB->record_exists_select('post', 'userid = :userid AND module IN (:blog, :blogext)', [
'userid' => $userid, 'blog' => 'blog', 'blogext' => 'blog_external'])) {
$sql = "
SELECT ctx.id
FROM {context} ctx
WHERE ctx.contextlevel = :ctxlevel
AND ctx.instanceid = :ctxuserid";
$params = [
'ctxlevel' => CONTEXT_USER,
'ctxuserid' => $userid,
];
$contextlist->add_from_sql($sql, $params);
// Add the associated context of the blog posts.
$sql = "
SELECT DISTINCT ctx.id
FROM {post} p
JOIN {blog_association} ba
ON ba.blogid = p.id
JOIN {context} ctx
ON ctx.id = ba.contextid
WHERE p.userid = :userid";
$params = [
'userid' => $userid,
];
$contextlist->add_from_sql($sql, $params);
}
// If there is at least one external blog, we add the user context. This is done this
// way because we can't directly add context to a contextlist.
if ($DB->record_exists('blog_external', ['userid' => $userid])) {
$sql = "
SELECT ctx.id
FROM {context}
WHERE ctx.contextlevel = :ctxlevel
AND ctx.instanceid = :ctxuserid";
$params = [
'ctxlevel' => CONTEXT_USER,
'ctxuserid' => $userid,
];
$contextlist->add_from_sql($sql, $params);
}
// Include the user contexts in which the user comments.
$sql = "
SELECT DISTINCT ctx.id
FROM {context} ctx
JOIN {comments} c
ON c.contextid = ctx.id
WHERE c.component = :component
AND c.commentarea = :commentarea
AND c.userid = :userid";
$params = [
'component' => 'blog',
'commentarea' => 'format_blog',
'userid' => $userid
];
$contextlist->add_from_sql($sql, $params);
return $contextlist;
}
/**
* Export all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts to export information for.
*/
public static function export_user_data(approved_contextlist $contextlist) {
global $DB;
$sysctx = context_system::instance();
$fs = get_file_storage();
$userid = $contextlist->get_user()->id;
$ctxfields = context_helper::get_preload_record_columns_sql('ctx');
$rootpath = [get_string('blog', 'core_blog')];
$associations = [];
foreach ($contextlist as $context) {
switch ($context->contextlevel) {
case CONTEXT_USER:
$contextuserid = $context->instanceid;
$insql = ' > 0';
$inparams = [];
if ($contextuserid != $userid) {
// We will only be exporting comments, so fetch the IDs of the relevant entries.
$entryids = $DB->get_fieldset_sql("
SELECT DISTINCT c.itemid
FROM {comments} c
WHERE c.contextid = :contextid
AND c.userid = :userid
AND c.component = :component
AND c.commentarea = :commentarea", [
'contextid' => $context->id,
'userid' => $userid,
'component' => 'blog',
'commentarea' => 'format_blog'
]);
if (empty($entryids)) {
// This should not happen, as the user context should not have been reported then.
continue;
}
list($insql, $inparams) = $DB->get_in_or_equal($entryids, SQL_PARAMS_NAMED);
}
// Loop over each blog entry in context.
$sql = "userid = :userid AND module IN (:blog, :blogext) AND id $insql";
$params = array_merge($inparams, ['userid' => $contextuserid, 'blog' => 'blog', 'blogext' => 'blog_external']);
$recordset = $DB->get_recordset_select('post', $sql, $params);
foreach ($recordset as $record) {
$subject = format_string($record->subject);
$path = array_merge($rootpath, [get_string('blogentries', 'core_blog'), $subject . " ({$record->id})"]);
// If the context is not mine, then we ONLY export the comments made by the exporting user.
if ($contextuserid != $userid) {
\core_comment\privacy\provider::export_comments($context, 'blog', 'format_blog',
$record->id, $path, true);
continue;
}
// Manually export the files as they reside in the system context so we can't use
// the write's helper methods. The same happens for attachments.
foreach ($fs->get_area_files($sysctx->id, 'blog', 'post', $record->id) as $f) {
writer::with_context($context)->export_file($path, $f);
}
foreach ($fs->get_area_files($sysctx->id, 'blog', 'attachment', $record->id) as $f) {
writer::with_context($context)->export_file($path, $f);
}
// Rewrite the summary files.
$summary = writer::with_context($context)->rewrite_pluginfile_urls($path, 'blog', 'post',
$record->id, $record->summary);
// Fetch associations.
$assocs = [];
$sql = "SELECT ba.contextid, $ctxfields
FROM {blog_association} ba
JOIN {context} ctx
ON ba.contextid = ctx.id
WHERE ba.blogid = :blogid";
$assocset = $DB->get_recordset_sql($sql, ['blogid' => $record->id]);
foreach ($assocset as $assocrec) {
context_helper::preload_from_record($assocrec);
$assocctx = context::instance_by_id($assocrec->contextid);
$assocs[] = $assocctx->get_context_name();
}
$assocset->close();
// Export associated tags.
\core_tag\privacy\provider::export_item_tags($userid, $context, $path, 'core', 'post', $record->id);
// Export all comments made on my post.
\core_comment\privacy\provider::export_comments($context, 'blog', 'format_blog',
$record->id, $path, false);
// Add blog entry data.
$entry = (object) [
'subject' => $subject,
'summary' => format_text($summary, $record->summaryformat),
'uniquehash' => $record->uniquehash,
'publishstate' => static::transform_publishstate($record->publishstate),
'created' => transform::datetime($record->created),
'lastmodified' => transform::datetime($record->lastmodified),
'associations' => $assocs
];
writer::with_context($context)->export_data($path, $entry);
}
$recordset->close();
// Export external blogs.
$recordset = $DB->get_recordset('blog_external', ['userid' => $userid]);
foreach ($recordset as $record) {
$path = array_merge($rootpath, [get_string('externalblogs', 'core_blog'),
$record->name . " ({$record->id})"]);
// Export associated tags.
\core_tag\privacy\provider::export_item_tags($userid, $context, $path, 'core',
'blog_external', $record->id);
// Add data.
$external = (object) [
'name' => $record->name,
'description' => $record->description,
'url' => $record->url,
'filtertags' => $record->filtertags,
'modified' => transform::datetime($record->timemodified),
'lastfetched' => transform::datetime($record->timefetched),
];
writer::with_context($context)->export_data($path, $external);
}
$recordset->close();
break;
case CONTEXT_COURSE:
case CONTEXT_MODULE:
$associations[] = $context->id;
break;
}
}
// Export associations.
if (!empty($associations)) {
list($insql, $inparams) = $DB->get_in_or_equal($associations, SQL_PARAMS_NAMED);
$sql = "
SELECT ba.contextid, p.subject, $ctxfields
FROM {post} p
JOIN {blog_association} ba
ON ba.blogid = p.id
JOIN {context} ctx
ON ctx.id = ba.contextid
WHERE ba.contextid $insql
AND p.userid = :userid
ORDER BY ba.contextid ASC";
$params = array_merge($inparams, ['userid' => $userid]);
$path = [get_string('privacy:path:blogassociations', 'core_blog')];
$flushassocs = function($context, $assocs) use ($path) {
writer::with_context($context)->export_data($path, (object) [
'associations' => $assocs
]);
};
$lastcontextid = null;
$assocs = [];
$recordset = $DB->get_recordset_sql($sql, $params);
foreach ($recordset as $record) {
context_helper::preload_from_record($record);
if ($lastcontextid && $record->contextid != $lastcontextid) {
$flushassocs(context::instance_by_id($lastcontextid), $assocs);
$assocs = [];
}
$assocs[] = format_string($record->subject);
$lastcontextid = $record->contextid;
}
if ($lastcontextid) {
$flushassocs(context::instance_by_id($lastcontextid), $assocs);
}
$recordset->close();
}
}
/**
* Delete all data for all users in the specified context.
*
* @param context $context The specific context to delete data for.
*/
public static function delete_data_for_all_users_in_context(context $context) {
global $DB;
switch ($context->contextlevel) {
case CONTEXT_USER:
static::delete_all_user_data($context);
break;
case CONTEXT_COURSE:
case CONTEXT_MODULE:
// We only delete associations here.
$DB->delete_records('blog_association', ['contextid' => $context->id]);
break;
}
// Delete all the comments.
\core_comment\privacy\provider::delete_comments_for_all_users_in_context($context);
}
/**
* Delete all user data for the specified user, in the specified contexts.
*
* @param approved_contextlist $contextlist The approved contexts and user information to delete information for.
*/
public static function delete_data_for_user(approved_contextlist $contextlist) {
global $DB;
$userid = $contextlist->get_user()->id;
$associationcontextids = [];
foreach ($contextlist as $context) {
if ($context->contextlevel == CONTEXT_USER && $context->instanceid == $userid) {
static::delete_all_user_data($context);
} else if ($context->contextlevel == CONTEXT_COURSE) {
// Only delete the course associations.
$associationcontextids[] = $context->id;
} else if ($context->contextlevel == CONTEXT_MODULE) {
// Only delete the module associations.
$associationcontextids[] = $context->id;
}
}
// Delete the associations.
if (!empty($associationcontextids)) {
list($insql, $inparams) = $DB->get_in_or_equal($associationcontextids, SQL_PARAMS_NAMED);
$sql = "SELECT ba.id
FROM {blog_association} ba
JOIN {post} p
ON p.id = ba.blogid
WHERE ba.contextid $insql
AND p.userid = :userid";
$params = array_merge($inparams, ['userid' => $userid]);
$associds = $DB->get_fieldset_sql($sql, $params);
list($insql, $inparams) = $DB->get_in_or_equal($associds, SQL_PARAMS_NAMED, 'param', true);
$DB->delete_records_select('blog_association', "id $insql", $inparams);
}
// Delete the comments.
\core_comment\privacy\provider::delete_comments_for_user($contextlist);
}
/**
* Helper method to delete all user data.
*
* @param context_user $usercontext The user context.
* @return void
*/
protected static function delete_all_user_data(context_user $usercontext) {
global $DB;
$userid = $usercontext->instanceid;
// Delete all blog posts.
$recordset = $DB->get_recordset_select('post', 'userid = :userid AND module IN (:blog, :blogext)', [
'userid' => $userid, 'blog' => 'blog', 'blogext' => 'blog_external']);
foreach ($recordset as $record) {
$entry = new blog_entry(null, $record);
$entry->delete(); // Takes care of files and associations.
}
$recordset->close();
// Delete all external blogs, and their associated tags.
$DB->delete_records('blog_external', ['userid' => $userid]);
core_tag_tag::delete_instances('core', 'blog_external', $usercontext->id);
// Delete all comments made in this context.
$DB->delete_records('comments', ['contextid' => $usercontext->id, 'component' => 'blog', 'commentarea' => 'format_blog']);
}
/**
* Transform a publish state.
*
* @param string $publishstate The publish state.
* @return string
*/
public static function transform_publishstate($publishstate) {
switch ($publishstate) {
case 'draft':
return get_string('publishtonoone', 'core_blog');
case 'site':
return get_string('publishtosite', 'core_blog');
case 'public':
return get_string('publishtoworld', 'core_blog');
default:
}
return get_string('privacy:unknown', 'core_blog');
}
}

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Data provider tests.
*
* @package core_blog
* @category test
* @copyright 2018 Frédéric Massart
* @author Frédéric Massart <fred@branchup.tech>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
use core_privacy\tests\provider_testcase;
use core_privacy\local\request\approved_contextlist;
use core_privacy\local\request\transform;
use core_privacy\local\request\writer;
use core_blog\privacy\provider;
require_once($CFG->dirroot . '/blog/locallib.php');
require_once($CFG->dirroot . '/comment/lib.php');
/**
* Data provider testcase class.
*
* @package core_blog
* @category test
* @copyright 2018 Frédéric Massart
* @author Frédéric Massart <fred@branchup.tech>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_blog_privacy_testcase extends provider_testcase {
public function setUp() {
$this->resetAfterTest();
}
public function test_get_contexts_for_userid() {
$dg = $this->getDataGenerator();
$c1 = $dg->create_course();
$c2 = $dg->create_course();
$c3 = $dg->create_course();
$cm1a = $dg->create_module('page', ['course' => $c1]);
$cm1b = $dg->create_module('page', ['course' => $c1]);
$cm2a = $dg->create_module('page', ['course' => $c2]);
$u1 = $dg->create_user();
$u2 = $dg->create_user();
$u1ctx = context_user::instance($u1->id);
// Blog share a table with notes, so throw data in there and make sure it doesn't get reported.
$dg->get_plugin_generator('core_notes')->create_instance(['userid' => $u1->id, 'courseid' => $c3->id]);
$this->assertEmpty(provider::get_contexts_for_userid($u1->id)->get_contextids());
$this->assertEmpty(provider::get_contexts_for_userid($u2->id)->get_contextids());
// Gradually create blog posts for user 1. First system one.
$this->create_post(['userid' => $u1->id]);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(1, $contextids);
$this->assertEquals($u1ctx->id, $contextids[0]);
$this->assertEmpty(provider::get_contexts_for_userid($u2->id)->get_contextids());
// Create a blog post associated with c1.
$post = $this->create_post(['userid' => $u1->id, 'courseid' => $c1->id]);
$entry = new blog_entry($post->id);
$entry->add_association(context_course::instance($c1->id)->id);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(2, $contextids);
$this->assertTrue(in_array($u1ctx->id, $contextids));
$this->assertTrue(in_array(context_course::instance($c1->id)->id, $contextids));
$this->assertEmpty(provider::get_contexts_for_userid($u2->id)->get_contextids());
// Create a blog post associated with cm2a.
$post = $this->create_post(['userid' => $u1->id, 'courseid' => $c2->id]);
$entry = new blog_entry($post->id);
$entry->add_association(context_module::instance($cm2a->cmid)->id);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(3, $contextids);
$this->assertTrue(in_array($u1ctx->id, $contextids));
$this->assertTrue(in_array(context_course::instance($c1->id)->id, $contextids));
$this->assertTrue(in_array(context_module::instance($cm2a->cmid)->id, $contextids));
$this->assertEmpty(provider::get_contexts_for_userid($u2->id)->get_contextids());
// User 2 comments on u1's post.
$comment = $this->get_comment_object($u1ctx, $post->id);
$this->setUser($u2);
$comment->add('Hello, it\'s me!');
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(3, $contextids);
$this->assertTrue(in_array($u1ctx->id, $contextids));
$this->assertTrue(in_array(context_course::instance($c1->id)->id, $contextids));
$this->assertTrue(in_array(context_module::instance($cm2a->cmid)->id, $contextids));
$contextids = provider::get_contexts_for_userid($u2->id)->get_contextids();
$this->assertCount(1, $contextids);
$this->assertTrue(in_array($u1ctx->id, $contextids));
}
public function test_get_contexts_for_userid_with_one_associated_post_only() {
$dg = $this->getDataGenerator();
$c1 = $dg->create_course();
$u1 = $dg->create_user();
$u1ctx = context_user::instance($u1->id);
$this->assertEmpty(provider::get_contexts_for_userid($u1->id)->get_contextids());
// Create a blog post associated with c1. It should always return both the course and user context.
$post = $this->create_post(['userid' => $u1->id, 'courseid' => $c1->id]);
$entry = new blog_entry($post->id);
$entry->add_association(context_course::instance($c1->id)->id);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(2, $contextids);
$this->assertTrue(in_array($u1ctx->id, $contextids));
$this->assertTrue(in_array(context_course::instance($c1->id)->id, $contextids));
}
public function test_delete_data_for_user() {
global $DB;
$dg = $this->getDataGenerator();
$c1 = $dg->create_course();
$c2 = $dg->create_course();
$cm1a = $dg->create_module('page', ['course' => $c1]);
$cm1b = $dg->create_module('page', ['course' => $c1]);
$cm2a = $dg->create_module('page', ['course' => $c2]);
$u1 = $dg->create_user();
$u2 = $dg->create_user();
$u3 = $dg->create_user();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$cm1actx = context_module::instance($cm1a->cmid);
$cm1bctx = context_module::instance($cm1b->cmid);
$cm2actx = context_module::instance($cm2a->cmid);
$u1ctx = context_user::instance($u1->id);
$u2ctx = context_user::instance($u2->id);
// Blog share a table with notes, so throw data in there and make sure it doesn't get deleted.
$this->assertFalse($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
$dg->get_plugin_generator('core_notes')->create_instance(['userid' => $u1->id, 'courseid' => $c1->id]);
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
// Create two external blogs.
$extu1 = $this->create_external_blog(['userid' => $u1->id]);
$extu2 = $this->create_external_blog(['userid' => $u2->id]);
// Create a set of posts.
$entry = new blog_entry($this->create_post(['userid' => $u1->id])->id);
$commentedon = $entry;
$entry = new blog_entry($this->create_post(['userid' => $u2->id])->id);
// Two course associations for u1.
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($c1ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($c1ctx->id);
// Two module associations with cm1a, and 1 with cm1b for u1.
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1actx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1actx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1bctx->id);
// One association for u2 in c1, cm1a and cm2a.
$entry = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c1->id])->id);
$entry->add_association($c1ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1actx->id);
$entry = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c2->id])->id);
$entry->add_association($cm2actx->id);
// One association for u1 in c2 and cm2a.
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c2->id])->id);
$entry->add_association($c2ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c2->id])->id);
$entry->add_association($cm2actx->id);
// Add comments.
$comment = $this->get_comment_object($u1ctx, $commentedon->id);
$this->setUser($u1);
$comment->add('Hello, it\'s me!');
$comment->add('I was wondering...');
$this->setUser($u2);
$comment->add('If after all these years');
$this->setUser($u3);
$comment->add('You\'d like to meet');
// Assert current setup.
$this->assertCount(6, provider::get_contexts_for_userid($u1->id)->get_contextids());
$this->assertCount(9, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(5, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertCount(2, $DB->get_records('comments', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('comments', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('comments', ['userid' => $u3->id]));
// Delete for u1 in cm1a.
$appctxs = new approved_contextlist($u1, 'core_blog', [$cm1actx->id]);
provider::delete_data_for_user($appctxs);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(5, $contextids);
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertCount(9, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(5, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
// Delete for u1 in c1.
$appctxs = new approved_contextlist($u1, 'core_blog', [$c1ctx->id]);
provider::delete_data_for_user($appctxs);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(4, $contextids);
$this->assertFalse(in_array($c1ctx->id, $contextids));
$this->assertCount(9, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(5, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
// Delete for u1 in c2.
$appctxs = new approved_contextlist($u1, 'core_blog', [$c2ctx->id]);
provider::delete_data_for_user($appctxs);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(3, $contextids);
$this->assertFalse(in_array($c2ctx->id, $contextids));
$this->assertCount(9, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(5, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
// Delete for u1 in another user's context, shouldn't do anything.
provider::delete_data_for_user(new approved_contextlist($u1, 'core_blog', [$u2ctx->id]));
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(3, $contextids);
$this->assertFalse(in_array($c2ctx->id, $contextids));
$this->assertCount(9, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(5, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
$this->assertCount(2, $DB->get_records('comments', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('comments', ['userid' => $u2->id]));
// Delete for u2 in u1 context.
provider::delete_data_for_user(new approved_contextlist($u2, 'core_blog', [$u1ctx->id]));
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(3, $contextids);
$this->assertFalse(in_array($c2ctx->id, $contextids));
$this->assertCount(9, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(4, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
$this->assertCount(2, $DB->get_records('comments', ['userid' => $u1->id]));
$this->assertCount(0, $DB->get_records('comments', ['userid' => $u2->id]));
$this->assertCount(1, $DB->get_records('comments', ['userid' => $u3->id]));
// Delete for u1 in their context.
$appctxs = new approved_contextlist($u1, 'core_blog', [$u1ctx->id]);
provider::delete_data_for_user($appctxs);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(0, $contextids);
$this->assertCount(1, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(4, provider::get_contexts_for_userid($u2->id)->get_contextids());
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(0, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
$this->assertCount(0, $DB->get_records('comments', ['userid' => $u1->id]));
$this->assertCount(0, $DB->get_records('comments', ['userid' => $u2->id]));
$this->assertCount(0, $DB->get_records('comments', ['userid' => $u3->id]));
$this->assertTrue($DB->record_exists('post', ['courseid' => $c1->id, 'userid' => $u1->id, 'module' => 'notes']));
}
public function test_delete_data_for_all_users_in_context() {
global $DB;
$dg = $this->getDataGenerator();
$c1 = $dg->create_course();
$c2 = $dg->create_course();
$cm1a = $dg->create_module('page', ['course' => $c1]);
$cm1b = $dg->create_module('page', ['course' => $c1]);
$cm2a = $dg->create_module('page', ['course' => $c2]);
$u1 = $dg->create_user();
$u2 = $dg->create_user();
$c1ctx = context_course::instance($c1->id);
$c2ctx = context_course::instance($c2->id);
$cm1actx = context_module::instance($cm1a->cmid);
$cm1bctx = context_module::instance($cm1b->cmid);
$cm2actx = context_module::instance($cm2a->cmid);
$u1ctx = context_user::instance($u1->id);
// Create two external blogs.
$extu1 = $this->create_external_blog(['userid' => $u1->id]);
$extu2 = $this->create_external_blog(['userid' => $u2->id]);
// Create a set of posts.
$entry = new blog_entry($this->create_post(['userid' => $u1->id])->id);
$entry = new blog_entry($this->create_post(['userid' => $u2->id])->id);
// Course associations for u1 and u2.
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($c1ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($c1ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c1->id])->id);
$entry->add_association($c1ctx->id);
// Module associations for u1 and u2.
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1actx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1actx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1bctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c1->id])->id);
$entry->add_association($cm1actx->id);
// Foreign associations for u1, u2.
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c2->id])->id);
$entry->add_association($c2ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c2->id])->id);
$entry->add_association($c2ctx->id);
$entry = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $cm2a->id])->id);
$entry->add_association($cm2actx->id);
// Validate what we've got.
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(8, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(6, $contextids);
$this->assertTrue(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertTrue(in_array($cm1actx->id, $contextids));
$this->assertTrue(in_array($cm1bctx->id, $contextids));
$this->assertTrue(in_array($cm2actx->id, $contextids));
$this->assertTrue(in_array($u1ctx->id, $contextids));
$contextids = provider::get_contexts_for_userid($u2->id)->get_contextids();
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(4, $contextids);
$this->assertTrue(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertTrue(in_array($cm1actx->id, $contextids));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
// Delete cm1a context.
provider::delete_data_for_all_users_in_context($cm1actx);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(8, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(5, $contextids);
$this->assertTrue(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertTrue(in_array($cm1bctx->id, $contextids));
$this->assertTrue(in_array($cm2actx->id, $contextids));
$this->assertTrue(in_array($u1ctx->id, $contextids));
$contextids = provider::get_contexts_for_userid($u2->id)->get_contextids();
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(3, $contextids);
$this->assertTrue(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
// Delete c1 context.
provider::delete_data_for_all_users_in_context($c1ctx);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(8, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(4, $contextids);
$this->assertFalse(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertTrue(in_array($cm1bctx->id, $contextids));
$this->assertTrue(in_array($cm2actx->id, $contextids));
$this->assertTrue(in_array($u1ctx->id, $contextids));
$contextids = provider::get_contexts_for_userid($u2->id)->get_contextids();
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(2, $contextids);
$this->assertFalse(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
// Delete u1 context.
provider::delete_data_for_all_users_in_context($u1ctx);
$contextids = provider::get_contexts_for_userid($u1->id)->get_contextids();
$this->assertCount(0, $DB->get_records('post', ['userid' => $u1->id]));
$this->assertCount(0, $contextids);
$this->assertFalse(in_array($c1ctx->id, $contextids));
$this->assertFalse(in_array($c2ctx->id, $contextids));
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertFalse(in_array($cm1bctx->id, $contextids));
$this->assertFalse(in_array($cm2actx->id, $contextids));
$this->assertFalse(in_array($u1ctx->id, $contextids));
$contextids = provider::get_contexts_for_userid($u2->id)->get_contextids();
$this->assertCount(4, $DB->get_records('post', ['userid' => $u2->id]));
$this->assertCount(2, $contextids);
$this->assertFalse(in_array($c1ctx->id, $contextids));
$this->assertTrue(in_array($c2ctx->id, $contextids));
$this->assertFalse(in_array($cm1actx->id, $contextids));
$this->assertCount(0, $DB->get_records('blog_external', ['userid' => $u1->id]));
$this->assertCount(1, $DB->get_records('blog_external', ['userid' => $u2->id]));
}
public function test_export_data_for_user() {
global $DB;
$dg = $this->getDataGenerator();
$c1 = $dg->create_course();
$cm1a = $dg->create_module('page', ['course' => $c1]);
$cm1b = $dg->create_module('page', ['course' => $c1]);
$u1 = $dg->create_user();
$u2 = $dg->create_user();
$c1ctx = context_course::instance($c1->id);
$cm1actx = context_module::instance($cm1a->cmid);
$cm1bctx = context_module::instance($cm1b->cmid);
$u1ctx = context_user::instance($u1->id);
$u2ctx = context_user::instance($u2->id);
// System entries.
$e1 = new blog_entry($this->create_post(['userid' => $u1->id, 'subject' => 'Hello world!',
'publishstate' => 'public'])->id);
$e2 = new blog_entry($this->create_post(['userid' => $u1->id, 'subject' => 'Hi planet!',
'publishstate' => 'draft'])->id);
$e3 = new blog_entry($this->create_post(['userid' => $u2->id, 'subject' => 'Ignore me'])->id);
// Create a blog entry associated with contexts.
$e4 = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id, 'subject' => 'Course assoc'])->id);
$e4->add_association($c1ctx->id);
$e4b = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id, 'subject' => 'Course assoc 2'])->id);
$e4b->add_association($c1ctx->id);
$e5 = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id, 'subject' => 'Module assoc',
'publishstate' => 'public'])->id);
$e5->add_association($cm1actx->id);
$e5b = new blog_entry($this->create_post(['userid' => $u1->id, 'courseid' => $c1->id, 'subject' => 'C/CM assoc'])->id);
$e5b->add_association($c1ctx->id);
$e5b->add_association($cm1actx->id);
$e6 = new blog_entry($this->create_post(['userid' => $u2->id, 'courseid' => $c1->id, 'subject' => 'Module assoc'])->id);
$e6->add_association($cm1actx->id);
// External blogs.
$ex1 = $this->create_external_blog(['userid' => $u1->id, 'url' => 'https://moodle.org', 'name' => 'Moodle RSS']);
$ex2 = $this->create_external_blog(['userid' => $u1->id, 'url' => 'https://example.com', 'name' => 'Example']);
$ex3 = $this->create_external_blog(['userid' => $u2->id, 'url' => 'https://example.com', 'name' => 'Ignore me']);
// Attach tags.
core_tag_tag::set_item_tags('core', 'post', $e1->id, $u1ctx, ['Beer', 'Golf']);
core_tag_tag::set_item_tags('core', 'blog_external', $ex1->id, $u1ctx, ['Car', 'Golf']);
core_tag_tag::set_item_tags('core', 'post', $e3->id, $u2ctx, ['ITG']);
core_tag_tag::set_item_tags('core', 'blog_external', $ex3->id, $u2ctx, ['DDR']);
core_tag_tag::set_item_tags('core', 'dontfindme', $e1->id, $u1ctx, ['Lone tag']);
// Attach comments.
$comment = $this->get_comment_object($u1ctx, $e1->id);
$this->setUser($u1);
$comment->add('Hello, it\'s me!');
$this->setUser($u2);
$comment->add('I was wondering if after');
$this->setUser($u1);
$comment = $this->get_comment_object($u2ctx, $e3->id);
$comment->add('All these years');
// Blog share a table with notes, so throw some data in there, it should not be exported.
$note = $dg->get_plugin_generator('core_notes')->create_instance(['userid' => $u1->id, 'courseid' => $c1->id,
'subject' => 'ABC']);
// Validate module associations.
$contextlist = new approved_contextlist($u1, 'core_blog', [$cm1actx->id]);
provider::export_user_data($contextlist);
$writer = writer::with_context($cm1actx);
$assocs = $writer->get_data([get_string('privacy:path:blogassociations', 'core_blog')]);
$this->assertCount(2, $assocs->associations);
$this->assertTrue(in_array('Module assoc', $assocs->associations));
$this->assertTrue(in_array('C/CM assoc', $assocs->associations));
// Validate course associations.
$contextlist = new approved_contextlist($u1, 'core_blog', [$c1ctx->id]);
provider::export_user_data($contextlist);
$writer = writer::with_context($c1ctx);
$assocs = $writer->get_data([get_string('privacy:path:blogassociations', 'core_blog')]);
$this->assertCount(3, $assocs->associations);
$this->assertTrue(in_array('Course assoc', $assocs->associations));
$this->assertTrue(in_array('Course assoc 2', $assocs->associations));
$this->assertTrue(in_array('C/CM assoc', $assocs->associations));
// Confirm we're not exporting for another user.
$contextlist = new approved_contextlist($u2, 'core_blog', [$u2ctx->id]);
$writer = writer::with_context($u1ctx);
$this->assertFalse($writer->has_any_data());
// Now export user context for u2.
$this->setUser($u2);
$contextlist = new approved_contextlist($u2, 'core_blog', [$u1ctx->id]);
provider::export_user_data($contextlist);
$writer = writer::with_context($u1ctx);
$data = $writer->get_data([get_string('blog', 'core_blog'), get_string('externalblogs', 'core_blog'),
$ex1->name . " ({$ex1->id})"]);
$this->assertEmpty($data);
$data = $writer->get_data([get_string('blog', 'core_blog'), get_string('blogentries', 'core_blog'),
$e2->subject . " ({$e2->id})"]);
$this->assertEmpty($data);
$data = $writer->get_data([get_string('blog', 'core_blog'), get_string('blogentries', 'core_blog'),
$e1->subject . " ({$e1->id})"]);
$this->assertEmpty($data);
$data = $writer->get_data([get_string('blog', 'core_blog'), get_string('blogentries', 'core_blog'),
$e1->subject . " ({$e1->id})", get_string('commentsubcontext', 'core_comment')]);
$this->assertNotEmpty($data);
$this->assertCount(1, $data->comments);
$comment = array_shift($data->comments);
$this->assertEquals('I was wondering if after', strip_tags($comment->content));
// Now export user context data.
$this->setUser($u1);
$contextlist = new approved_contextlist($u1, 'core_blog', [$u1ctx->id]);
writer::reset();
provider::export_user_data($contextlist);
$writer = writer::with_context($u1ctx);
// Check external blogs.
$externals = [$ex1, $ex2];
foreach ($externals as $ex) {
$data = $writer->get_data([get_string('blog', 'core_blog'), get_string('externalblogs', 'core_blog'),
$ex->name . " ({$ex->id})"]);
$this->assertNotEmpty($data);
$this->assertEquals($data->name, $ex->name);
$this->assertEquals($data->description, $ex->description);
$this->assertEquals($data->url, $ex->url);
$this->assertEquals($data->filtertags, $ex->filtertags);
$this->assertEquals($data->modified, transform::datetime($ex->timemodified));
$this->assertEquals($data->lastfetched, transform::datetime($ex->timefetched));
}
// Check entries.
$entries = [$e1, $e2, $e4, $e4b, $e5, $e5b];
$associations = [
$e1->id => null,
$e2->id => null,
$e4->id => $c1ctx->get_context_name(),
$e4b->id => $c1ctx->get_context_name(),
$e5->id => $cm1actx->get_context_name(),
$e5b->id => [$c1ctx->get_context_name(), $cm1actx->get_context_name()],
];
foreach ($entries as $e) {
$path = [get_string('blog', 'core_blog'), get_string('blogentries', 'core_blog'), $e->subject . " ({$e->id})"];
$data = $writer->get_data($path);
$this->assertNotEmpty($data);
$this->assertEquals($data->subject, $e->subject);
$this->assertEquals($data->summary, $e->summary);
$this->assertEquals($data->publishstate, provider::transform_publishstate($e->publishstate));
$this->assertEquals($data->created, transform::datetime($e->created));
$this->assertEquals($data->lastmodified, transform::datetime($e->lastmodified));
// We attached comments and tags to this entry.
$commentpath = array_merge($path, [get_string('commentsubcontext', 'core_comment')]);
if ($e->id == $e1->id) {
$tagdata = $writer->get_related_data($path, 'tags');
$this->assertCount(2, $tagdata);
$tag = array_shift($tagdata);
$this->assertEquals('Beer', $tag->rawname);
$tag = array_shift($tagdata);
$this->assertEquals('Golf', $tag->rawname);
$comments = $writer->get_data($commentpath);
$this->assertCount(2, $comments->comments);
$this->assertEquals('Hello, it\'s me!', strip_tags($comments->comments[0]->content));
$this->assertEquals('I was wondering if after', strip_tags($comments->comments[1]->content));
} else {
$tagdata = $writer->get_related_data($path, 'tags');
$this->assertEmpty($tagdata);
$comments = $writer->get_data($commentpath);
$this->assertEmpty($comments);
}
if (isset($associations[$e->id])) {
$assocs = $associations[$e->id];
if (is_array($assocs)) {
$this->assertCount(count($assocs), $data->associations);
foreach ($assocs as $v) {
$this->assertTrue(in_array($v, $data->associations));
}
} else {
$this->assertCount(1, $data->associations);
$this->assertTrue(in_array($assocs, $data->associations));
}
}
}
// The note was not exported.
$path = [get_string('blog', 'core_blog'), get_string('blogentries', 'core_blog'), "ABC ($note->id)"];
$this->assertEmpty($writer->get_data($path));
}
/**
* Create a blog post.
*
* @param array $params The params.
* @return stdClass
*/
protected function create_post(array $params) {
global $DB;
$post = new stdClass();
$post->module = 'blog';
$post->courseid = 0;
$post->subject = 'the test post';
$post->summary = 'test post summary text';
$post->summaryformat = FORMAT_PLAIN;
$post->publishstate = 'site';
$post->created = time() - HOURSECS;
$post->lastmodified = time();
foreach ($params as $key => $value) {
$post->{$key} = $value;
}
$post->id = $DB->insert_record('post', $post);
return $post;
}
/**
* Create an extenral blog.
*
* @param array $params The params.
* @return stdClass
*/
protected function create_external_blog(array $params) {
global $DB;
$post = new stdClass();
$post->name = 'test external';
$post->description = 'the description';
$post->url = 'http://example.com';
$post->filtertags = 'a, c, b';
$post->timefetched = time() - HOURSECS;
$post->timemodified = time();
foreach ($params as $key => $value) {
$post->{$key} = $value;
}
$post->id = $DB->insert_record('blog_external', $post);
return $post;
}
/**
* Get the comment area.
*
* @param context $context The context.
* @param int $itemid The item ID.
* @param string $component The component.
* @param string $area The area.
* @return comment
*/
protected function get_comment_object(context $context, $itemid) {
$args = new stdClass();
$args->context = $context;
$args->course = get_course(SITEID);
$args->area = 'format_blog';
$args->itemid = $itemid;
$args->component = 'blog';
$comment = new comment($args);
$comment->set_post_permission(true);
return $comment;
}
}

View File

@ -128,6 +128,29 @@ $string['pagesize'] = 'Blog entries per page';
$string['permalink'] = 'Permalink';
$string['personalblogs'] = 'Users can only see their own blog';
$string['preferences'] = 'Blog preferences';
$string['privacy:metadata:core_comments'] = 'Comments associated with blog entries';
$string['privacy:metadata:core_files'] = 'Files attached to blog entries';
$string['privacy:metadata:core_tag'] = 'Tags associated with blog entries';
$string['privacy:metadata:external'] = 'A link to an external RSS feed';
$string['privacy:metadata:external:userid'] = 'The user ID';
$string['privacy:metadata:external:name'] = 'The name of the feed';
$string['privacy:metadata:external:description'] = 'The description of the feed';
$string['privacy:metadata:external:url'] = 'The URL of the feed';
$string['privacy:metadata:external:filtertags'] = 'The list of tags to filter the entries with';
$string['privacy:metadata:external:timemodified'] = 'Date at which the association was last modified';
$string['privacy:metadata:external:timefetched'] = 'Date at which the feed was last fetched';
$string['privacy:metadata:post'] = 'The information related to blog entries';
$string['privacy:metadata:post:userid'] = 'The user ID';
$string['privacy:metadata:post:subject'] = 'The subject of the entry';
$string['privacy:metadata:post:summary'] = 'The summary of the entry';
$string['privacy:metadata:post:content'] = 'The content of an external entry';
$string['privacy:metadata:post:uniquehash'] = 'A unique identifier for an external entry, typically a URL.';
$string['privacy:metadata:post:publishstate'] = 'Whether the entry is visible to others or not';
$string['privacy:metadata:post:created'] = 'Date at which the entry was created';
$string['privacy:metadata:post:lastmodified'] = 'Date at which the entry was last modified';
$string['privacy:metadata:post:usermodified'] = 'The user who last modified the entry';
$string['privacy:path:blogassociations'] = 'Associated blog posts';
$string['privacy:unknown'] = 'Unknown';
$string['publishto'] = 'Publish to';
$string['publishto_help'] = 'There are 3 options: