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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));
}
/**
* Test that user IDs are returned for a specificed course or module context.
*/
public function test_get_users_in_context_course_and_module() {
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$c1ctx = context_course::instance($course->id);
$post = $this->create_post(['userid' => $user1->id, 'courseid' => $course->id]);
$entry = new blog_entry($post->id);
$entry->add_association($c1ctx->id);
// Add a comment from user 2.
$comment = $this->get_comment_object(context_user::instance($user1->id), $entry->id);
$this->setUser($user2);
$comment->add('Nice blog post');
$userlist = new \core_privacy\local\request\userlist($c1ctx, 'core_blog');
provider::get_users_in_context($userlist);
$userids = $userlist->get_userids();
$this->assertCount(2, $userids);
// Add an association for a module.
$cm1a = $this->getDataGenerator()->create_module('page', ['course' => $course]);
$cm1ctx = context_module::instance($cm1a->cmid);
$post2 = $this->create_post(['userid' => $user2->id, 'courseid' => $course->id]);
$entry2 = new blog_entry($post2->id);
$entry2->add_association($cm1ctx->id);
$userlist = new \core_privacy\local\request\userlist($cm1ctx, 'core_blog');
provider::get_users_in_context($userlist);
$userids = $userlist->get_userids();
$this->assertCount(1, $userids);
}
/**
* Test that user IDs are returned for a specificed user context.
*/
public function test_get_users_in_context_user_context() {
$user1 = $this->getDataGenerator()->create_user();
$user2 = $this->getDataGenerator()->create_user();
$u1ctx = context_user::instance($user1->id);
$post = $this->create_post(['userid' => $user1->id]);
$entry = new blog_entry($post->id);
// Add a comment from user 2.
$comment = $this->get_comment_object($u1ctx, $entry->id);
$this->setUser($user2);
$comment->add('Another nice blog post');
$userlist = new \core_privacy\local\request\userlist($u1ctx, 'core_blog');
provider::get_users_in_context($userlist);
$userids = $userlist->get_userids();
$this->assertCount(2, $userids);
}
/**
* Test that user IDs are returned for a specificed user context for an external blog.
*/
public function test_get_users_in_context_external_blog() {
$user1 = $this->getDataGenerator()->create_user();
$u1ctx = context_user::instance($user1->id);
$extu1 = $this->create_external_blog(['userid' => $user1->id]);
$userlist = new \core_privacy\local\request\userlist($u1ctx, 'core_blog');
provider::get_users_in_context($userlist);
$userids = $userlist->get_userids();
$this->assertCount(1, $userids);
}
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']));
}
/**
* Test provider delete_data_for_user with a context that contains no entries
*
* @return void
*/
public function test_delete_data_for_user_empty_context() {
global $DB;
$user = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$context = context_course::instance($course->id);
// Create a blog entry for user, associated with course.
$entry = new blog_entry($this->create_post(['userid' => $user->id, 'courseid' => $course->id])->id);
$entry->add_association($context->id);
// Generate list of contexts for user.
$contexts = provider::get_contexts_for_userid($user->id);
$this->assertContains($context->id, $contexts->get_contextids());
// Now delete the blog entry.
$entry->delete();
// Try to delete user data using contexts obtained prior to entry deletion.
$contextlist = new approved_contextlist($user, 'core_blog', $contexts->get_contextids());
provider::delete_data_for_user($contextlist);
// Sanity check to ensure blog_associations is really empty.
$this->assertEmpty($DB->get_records('blog_association', ['contextid' => $context->id]));
}
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->assertEquals(['Beer', 'Golf'], $tagdata, '', 0, 10, true);
$comments = $writer->get_data($commentpath);
$this->assertCount(2, $comments->comments);
$c0 = strip_tags($comments->comments[0]->content);
$c1 = strip_tags($comments->comments[1]->content);
$expectedcomments = [
'Hello, it\'s me!',
'I was wondering if after',
];
$this->assertNotFalse(array_search($c0, $expectedcomments));
$this->assertNotFalse(array_search($c1, $expectedcomments));
$this->assertNotEquals($c0, $c1);
} 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));
}
/**
* Test that deleting of blog information in a user context works as desired.
*/
public function test_delete_data_for_users_user_context() {
global $DB;
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$u4 = $this->getDataGenerator()->create_user();
$u5 = $this->getDataGenerator()->create_user();
$u1ctx = context_user::instance($u1->id);
$post = $this->create_post(['userid' => $u1->id]);
$entry = new blog_entry($post->id);
$comment = $this->get_comment_object($u1ctx, $entry->id);
$this->setUser($u1);
$comment->add('Hello, I created the blog');
$this->setUser($u2);
$comment->add('User 2 making a comment.');
$this->setUser($u3);
$comment->add('User 3 here.');
$this->setUser($u4);
$comment->add('User 4 is nice.');
$this->setUser($u5);
$comment->add('User 5 for the win.');
// This will only delete the comments made by user 4 and 5.
$this->assertCount(5, $DB->get_records('comments', ['contextid' => $u1ctx->id]));
$userlist = new \core_privacy\local\request\approved_userlist($u1ctx, 'core_blog', [$u4->id, $u5->id]);
provider::delete_data_for_users($userlist);
$this->assertCount(3, $DB->get_records('comments', ['contextid' => $u1ctx->id]));
$this->assertCount(1, $DB->get_records('post', ['userid' => $u1->id]));
// As the owner of the post is here everything will be deleted.
$userlist = new \core_privacy\local\request\approved_userlist($u1ctx, 'core_blog', [$u1->id, $u2->id]);
provider::delete_data_for_users($userlist);
$this->assertEmpty($DB->get_records('comments', ['contextid' => $u1ctx->id]));
$this->assertEmpty($DB->get_records('post', ['userid' => $u1->id]));
}
/**
* Test that deleting of an external blog in a user context works as desired.
*/
public function test_delete_data_for_users_external_blog() {
global $DB;
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u1ctx = context_user::instance($u1->id);
$u2ctx = context_user::instance($u2->id);
$post = $this->create_external_blog(['userid' => $u1->id, 'url' => 'https://moodle.org', 'name' => 'Moodle RSS']);
$post2 = $this->create_external_blog(['userid' => $u2->id, 'url' => 'https://moodle.com', 'name' => 'Some other thing']);
// Check that we have two external blogs created.
$this->assertCount(2, $DB->get_records('blog_external'));
// This will only delete the external blog for user 1.
$userlist = new \core_privacy\local\request\approved_userlist($u1ctx, 'core_blog', [$u1->id, $u2->id]);
provider::delete_data_for_users($userlist);
$this->assertCount(1, $DB->get_records('blog_external'));
}
public function test_delete_data_for_users_course_and_module_context() {
global $DB;
$u1 = $this->getDataGenerator()->create_user();
$u2 = $this->getDataGenerator()->create_user();
$u3 = $this->getDataGenerator()->create_user();
$u4 = $this->getDataGenerator()->create_user();
$u5 = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$module = $this->getDataGenerator()->create_module('page', ['course' => $course]);
$u1ctx = context_user::instance($u1->id);
$u3ctx = context_user::instance($u3->id);
$c1ctx = context_course::instance($course->id);
$cm1ctx = context_module::instance($module->cmid);
// Blog with course association.
$post1 = $this->create_post(['userid' => $u1->id, 'courseid' => $course->id]);
$entry1 = new blog_entry($post1->id);
$entry1->add_association($c1ctx->id);
// Blog with module association.
$post2 = $this->create_post(['userid' => $u3->id, 'courseid' => $course->id]);
$entry2 = new blog_entry($post2->id);
$entry2->add_association($cm1ctx->id);
$comment = $this->get_comment_object($u1ctx, $entry1->id);
$this->setUser($u1);
$comment->add('Hello, I created the blog');
$this->setUser($u2);
$comment->add('comment on first course blog');
$this->setUser($u4);
$comment->add('user 4 on course blog');
$comment = $this->get_comment_object($u3ctx, $entry2->id);
$this->setUser($u3);
$comment->add('Hello, I created the module blog');
$this->setUser($u2);
$comment->add('I am commenting on both');
$this->setUser($u5);
$comment->add('User 5 for modules');
$this->assertCount(6, $DB->get_records('comments', ['component' => 'blog']));
$this->assertCount(2, $DB->get_records('post', ['courseid' => $course->id]));
$this->assertCount(2, $DB->get_records('blog_association'));
// When using the course or module context we are only removing the blog associations and the comments.
$userlist = new \core_privacy\local\request\approved_userlist($c1ctx, 'core_blog', [$u2->id, $u1->id, $u5->id]);
provider::delete_data_for_users($userlist);
// Only one of the blog_associations should be removed. Everything else should be as before.
$this->assertCount(6, $DB->get_records('comments', ['component' => 'blog']));
$this->assertCount(2, $DB->get_records('post', ['courseid' => $course->id]));
$this->assertCount(1, $DB->get_records('blog_association'));
$userlist = new \core_privacy\local\request\approved_userlist($cm1ctx, 'core_blog', [$u2->id, $u1->id, $u3->id]);
provider::delete_data_for_users($userlist);
// Now we've removed the other association.
$this->assertCount(6, $DB->get_records('comments', ['component' => 'blog']));
$this->assertCount(2, $DB->get_records('post', ['courseid' => $course->id]));
$this->assertEmpty($DB->get_records('blog_association'));
}
/**
* 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;
}
}