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MDL-78300 block: Determine if users can comment based on context

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meirzamoodle 2023-10-14 16:00:10 +07:00 committed by Jenkins
parent bac703c534
commit 4cae44dd0e
1 changed files with 20 additions and 1 deletions
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21
blocks/comments/lib.php
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@ -59,7 +59,26 @@ function block_comments_comment_validate($comment_param) {
* @return array
*/
function block_comments_comment_permissions($args) {
return array('post'=>true, 'view'=>true);
global $DB, $USER;
// By default, anyone can post and view comments.
$canpost = $canview = true;
// Check if it's the user context and not the owner's profile.
if ($args->context->contextlevel == CONTEXT_USER && $USER->id != $args->context->instanceid) {
// Check whether the context owner has a comment block in the user's profile.
$sqlparam = [
'blockname' => 'comments',
'parentcontextid' => $args->context->id,
'pagetypepattern' => 'user-profile',
];
// If the comment block is not present at the target user's profile,
// then the logged-in user cannot post or view comments.
$canpost = $canview = $DB->record_exists_select(
'block_instances',
'blockname = :blockname AND parentcontextid = :parentcontextid AND pagetypepattern = :pagetypepattern',
$sqlparam,
);
}
return ['post' => $canpost, 'view' => $canview];
}
/**