code-snippets / php / Integration / Evaluate_Content.php

Evaluate_Content.php in Code Snippets 3.10.0, at php/Integration/Evaluate_Content.php

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1	<?php
2
3	namespace Code_Snippets\Integration;
4
5	use Code_Snippets\Core\DB;
6	use Code_Snippets\Flat_Files\Snippet_Files;
7	use Code_Snippets\Model\Snippet;
8	use function Code_Snippets\code_snippets;
9
10	/**
11	* Class for evaluating content snippets.
12	*
13	* @package Code_Snippets
14	*/
15	class Evaluate_Content {
16
17	/**
18	* Database class.
19	*
20	* @var DB
21	*/
22	private DB $db;
23
24	/**
25	* Cached list of active snippets.
26	*
27	* @var ?Snippet[]
28	*/
29	private ?array $active_snippets = null;
30
31	/**
32	* Class constructor.
33	*
34	* @param DB $db Database class instance.
35	*/
36	public function __construct( DB $db ) {
37	$this->db = $db;
38	add_action( 'init', array( $this, 'init' ) );
39	}
40
41	/**
42	* Initialise class functions.
43	*/
44	public function init() {
45	add_action( 'wp_head', [ $this, 'load_head_content' ] );
46	add_action( 'wp_body_open', [ $this, 'load_body_content' ] );
47	add_action( 'wp_footer', [ $this, 'load_footer_content' ] );
48	}
49
50	/**
51	* Print snippet code fetched from the database from a certain scope.
52	*
53	* @param string $scope Name of scope to print.
54	*/
55	private function print_content_snippets( string $scope ) {
56	if ( Snippet_Files::is_active() ) {
57	if ( is_null( $this->active_snippets ) ) {
58	$this->populate_active_snippets_from_flat_files();
59	}
60
61	if ( isset( $this->active_snippets[ $scope ] ) ) {
62	foreach ( $this->active_snippets[ $scope ] as $snippet ) {
63	require_once $snippet['file_path'];
64	}
65	}
66	} else {
67	$scopes = [ 'head-content', 'body-content', 'footer-content' ];
68
69	if ( is_null( $this->active_snippets ) ) {
70	$this->active_snippets = $this->db->fetch_active_snippets( $scopes );
71	}
72
73	foreach ( $this->active_snippets as $snippet ) {
74	if ( $scope === $snippet['scope'] ) {
75	// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
76	echo "\n", $snippet['code'], "\n";
77	}
78	}
79	}
80	}
81
82	/**
83	* Print head content snippets.
84	*
85	* @return void
86	*/
87	public function load_head_content() {
88	$this->print_content_snippets( 'head-content' );
89	}
90
91	/**
92	* Print body content snippets (requires theme to call wp_body_open).
93	*
94	* @return void
95	*/
96	public function load_body_content() {
97	$this->print_content_snippets( 'body-content' );
98	}
99
100	/**
101	* Print footer content snippets.
102	*
103	* @return void
104	*/
105	public function load_footer_content() {
106	$this->print_content_snippets( 'footer-content' );
107	}
108
109	/**
110	* Populate the active snippets from flat files.
111	*
112	* @return void
113	*/
114	private function populate_active_snippets_from_flat_files() {
115	$handler = code_snippets()->snippet_handler_registry->get_handler( 'html' );
116	$dir_name = $handler->get_dir_name();
117	$ext = $handler->get_file_extension();
118
119	$scopes = [ 'head-content', 'body-content', 'footer-content' ];
120	$all_snippets = Snippet_Files::get_active_snippets_from_flat_files( $scopes, $dir_name );
121
122	foreach ( $all_snippets as $snippet ) {
123	$scope = $snippet['scope'];
124
125	// Add file path information to the snippet for later use.
126	$table_name = Snippet_Files::get_hashed_table_name( $snippet['table'] );
127	$base_path = Snippet_Files::get_base_dir( $table_name, $dir_name );
128	$snippet['file_path'] = $base_path . '/' . $snippet['id'] . '.' . $ext;
129
130	$this->active_snippets[ $scope ][] = $snippet;
131	}
132	}
133	}
134