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Added offset pagination support to comments #13

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Added offset pagination support to comments #13

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35 changes: 35 additions & 0 deletions src/Loader.php
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,13 @@ function bind_hooks()
2
);

add_filter(
'graphql_map_input_fields_to_wp_comment_query',
[$this, 'op_filter_map_offset_to_wp_comment_query_args'],
10,
2
);

add_filter(
'graphql_connection_page_info',
[$this, 'op_filter_graphql_connection_page_info'],
Expand Down Expand Up @@ -135,6 +142,8 @@ function op_filter_graphql_connection_page_info(
$total = $query->found_posts;
} elseif ($query instanceof \WP_User_Query) {
$total = $query->total_users;
} else if($query instanceof \WP_Comment_Query) {
$total = $query->found_comments;
}

$page_info['offsetPagination'] = [
Expand Down Expand Up @@ -179,12 +188,38 @@ function op_filter_map_offset_to_wp_user_query_args(
return $query_args;
}

function op_filter_map_offset_to_wp_comment_query_args(
$query_args,
$where_args
) {
if ( isset( $where_args['offsetPagination']['offset'] ) ) {
$query_args['offset'] = $where_args['offsetPagination']['offset'];
}

if ( isset( $where_args['offsetPagination']['size'] ) ) {
$query_args['posts_per_page'] =
intval( $where_args['offsetPagination']['size'] ) + 1;
}

return $query_args;
}

function op_action_register_types()
{
foreach (\WPGraphQL::get_allowed_post_types() as $post_type) {
self::add_post_type_fields(get_post_type_object($post_type));
}

register_graphql_fields('RootQueryToCommentConnectionWhereArgs', [
'offsetPagination' => [
'type' => 'OffsetPagination',
'description' => __(
'Paginate Comments with offsets',
'wp-graphql-offset-pagination'
),
],
]);

register_graphql_object_type('OffsetPaginationPageInfo', [
'description' => __(
'Get information about the offset pagination state',
Expand Down