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MDL-63596 backup: Deal with controller types

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For privacy requests, deal with all 3 controller types.
This commit is contained in:
Damyon Wiese 2018-11-09 15:22:17 +08:00 committed by Andrew Nicols
parent fc9bde4bc3
commit f1f7d45bc7
1 changed files with 92 additions and 19 deletions
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111
backup/util/ui/classes/privacy/provider.php
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@ -84,12 +84,48 @@ class provider implements
public static function get_contexts_for_userid(int $userid) : contextlist {
$contextlist = new contextlist();
$sql = "SELECT DISTINCT ctx.id
$sql = "SELECT ctx.id
FROM {backup_controllers} bc
JOIN {context} ctx
ON ctx.instanceid = bc.itemid AND ctx.contextlevel = :contextlevel
ON ctx.instanceid = bc.itemid
AND ctx.contextlevel = :contextlevel
AND bc.type = :type
WHERE bc.userid = :userid";
$params = ['contextlevel' => CONTEXT_COURSE, 'userid' => $userid];
$params = [
'contextlevel' => CONTEXT_COURSE,
'userid' => $userid,
'type' => 'course',
];
$contextlist->add_from_sql($sql, $params);
$sql = "SELECT ctx.id
FROM {backup_controllers} bc
JOIN {course_sections} c
ON bc.itemid = c.id
AND bc.type = :type
JOIN {context} ctx
ON ctx.instanceid = c.course
AND ctx.contextlevel = :contextlevel
WHERE bc.userid = :userid";
$params = [
'contextlevel' => CONTEXT_COURSE,
'userid' => $userid,
'type' => 'section',
];
$contextlist->add_from_sql($sql, $params);
$sql = "SELECT ctx.id
FROM {backup_controllers} bc
JOIN {context} ctx
ON ctx.instanceid = bc.itemid
AND ctx.contextlevel = :contextlevel
AND bc.type = :type
WHERE bc.userid = :userid";
$params = [
'contextlevel' => CONTEXT_MODULE,
'userid' => $userid,
'type' => 'activity',
];
$contextlist->add_from_sql($sql, $params);
return $contextlist;
@ -199,21 +235,27 @@ class provider implements
/**
* Delete all user data which matches the specified context.
* Only dealing with the specific context - not it's child contexts.
*
* @param \context $context A user context.
*/
public static function delete_data_for_all_users_in_context(\context $context) {
global $DB;
if (!$context instanceof \context_course) {
return;
if ($context instanceof \context_course) {
$sectionsql = "itemid IN (SELECT id FROM {course_sections} WHERE course = ?) AND type = ?";
$DB->delete_records_select('backup_controllers', $sectionsql, [$context->instanceid, \backup::TYPE_1SECTION]);
$DB->delete_records('backup_controllers', ['itemid' => $context->instanceid, 'type' => \backup::TYPE_1COURSE]);
}
$DB->delete_records('backup_controllers', ['itemid' => $context->instanceid]);
if ($context instanceof \context_module) {
$DB->delete_records('backup_controllers', ['itemid' => $context->instanceid, 'type' => \backup::TYPE_1ACTIVITY]);
}
return;
}
/**
* Delete multiple users within a single context.
* Only dealing with the specific context - not it's child contexts.
*
* @param approved_userlist $userlist The approved context and user information to delete information for.
*/
@ -225,24 +267,28 @@ class provider implements
}
$context = $userlist->get_context();
if ($context instanceof \context_course) {
list($usersql, $userparams) = $DB->get_in_or_equal($userlist->get_userids(), SQL_PARAMS_NAMED);
$select = "itemid = :itemid AND userid {$usersql} AND type = :type";
$params = $userparams;
$params['itemid'] = $context->instanceid;
$params['type'] = \backup::TYPE_1COURSE;
// Delete course backup data.
$select = "itemid = :itemid AND type = :type AND userid {$usersql}";
$params = ['itemid' => $context->instanceid, 'type' => 'course'] + $userparams;
$DB->delete_records_select('backup_controllers', $select, $params);
// Delete course sections backup data.
$select = "itemid IN (SELECT id FROM {course_sections} WHERE course = :course) AND userid
{$usersql} AND type = :type";
$params = ['course' => $context->instanceid, 'type' => 'section'] + $userparams;
$params = $userparams;
$params['course'] = $context->instanceid;
$params['type'] = \backup::TYPE_1SECTION;
$sectionsql = "itemid IN (SELECT id FROM {course_sections} WHERE course = :course)";
$select = $sectionsql . " AND userid {$usersql} AND type = :type";
$DB->delete_records_select('backup_controllers', $select, $params);
}
if ($context instanceof \context_module) {
list($usersql, $userparams) = $DB->get_in_or_equal($userlist->get_userids(), SQL_PARAMS_NAMED);
$select = "itemid = :itemid AND userid {$usersql} AND type = :type";
$params = $userparams;
$params['itemid'] = $context->instanceid;
$params['type'] = \backup::TYPE_1ACTIVITY;
// Delete activity backup data.
$select = "itemid = :itemid AND type = :type AND userid {$usersql}";
@ -253,6 +299,7 @@ class provider implements
/**
* Delete all user data for the specified user, in the specified contexts.
* Only dealing with the specific context - not it's child contexts.
*
* @param approved_contextlist $contextlist The approved contexts and user information to delete information for.
*/
@ -265,11 +312,37 @@ class provider implements
$userid = $contextlist->get_user()->id;
foreach ($contextlist->get_contexts() as $context) {
if (!$context instanceof \context_course) {
continue;
if ($context instanceof \context_course) {
$select = "itemid = :itemid AND userid = :userid AND type = :type";
$params = [
'userid' => $userid,
'itemid' => $context->instanceid,
'type' => \backup::TYPE_1COURSE
];
$DB->delete_records_select('backup_controllers', $select, $params);
$params = [
'userid' => $userid,
'course' => $context->instanceid,
'type' => \backup::TYPE_1SECTION
];
$sectionsql = "itemid IN (SELECT id FROM {course_sections} WHERE course = :course)";
$select = $sectionsql . " AND userid = :userid AND type = :type";
$DB->delete_records_select('backup_controllers', $select, $params);
}
if ($context instanceof \context_module) {
list($usersql, $userparams) = $DB->get_in_or_equal($userlist->get_userids(), SQL_PARAMS_NAMED);
$select = "itemid = :itemid AND userid = :userid AND type = :type";
$params = [
'itemid' => $context->instanceid,
'userid' => $userid,
'type' => \backup::TYPE_1ACTIVITY
];
$DB->delete_records_select('backup_controllers', $select, $params);
}
$DB->delete_records('backup_controllers', ['itemid' => $context->instanceid, 'userid' => $userid]);
}
}