wpgraphql-smart-cache / src / Utils.php

Utils.php in WPGraphQL Smart Cache trunk, at src/Utils.php

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1	<?php
2	/**
3	* Content
4	*
5	* @package Wp_Graphql_Smart_Cache
6	*/
7
8	namespace WPGraphQL\SmartCache;
9
10	class Utils {
11
12	/**
13	* @param string $query_id Query ID
14	* @param string\|array $type
15	* @param string $taxonomy
16	*
17	* @return \WP_Post\|false false when not exist
18	*/
19	public static function getPostByTermName( $query_id, $type, $taxonomy ) {
20	$wp_query = new \WP_Query(
21	[
22	'post_type' => $type,
23	'post_status' => 'any',
24	'posts_per_page' => 1,
25	// phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query
26	'tax_query' => [
27	[
28	'taxonomy' => $taxonomy,
29	'field' => 'name',
30	'terms' => $query_id,
31	],
32	],
33	]
34	);
35	// returns an array of post objects.
36	$posts = $wp_query->get_posts();
37	if ( empty( $posts ) ) {
38	return false;
39	}
40
41	$post = array_pop( $posts );
42	if ( ! ( $post instanceof \WP_Post ) \|\| ! $post->ID ) {
43	return false;
44	}
45
46	return $post;
47	}
48
49	/**
50	* Generate query hash for graphql query string
51	*
52	* @param string\|\GraphQL\Language\AST\DocumentNode $query string or document node
53	*
54	* @return string $query_id Query string str256 hash
55	*
56	* @throws \GraphQL\Error\SyntaxError
57	*/
58	public static function generateHash( $query ) {
59	if ( is_string( $query ) ) {
60	$query = \GraphQL\Language\Parser::parse( $query );
61	}
62	$printed = \GraphQL\Language\Printer::doPrint( $query );
63
64	return self::getHashFromFormattedString( $printed );
65	}
66
67	/**
68	* Generate query hash for graphql query string
69	*
70	* @param string $query Formatted, normalized query string
71	*
72	* @return string $query_id Query string str256 hash
73	*
74	* @throws \GraphQL\Error\SyntaxError
75	*/
76	public static function getHashFromFormattedString( $query ) {
77	return hash( 'sha256', $query );
78	}
79	}
80