--- /dev/null
+<?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');
+ }
+}
--- /dev/null
+<?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;
+ }
+}
