code-snippets / php / evaluation / class-evaluate-content.php

class-evaluate-content.php in Code Snippets 3.9.1, at php/evaluation/class-evaluate-content.php

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