convertkit / includes / class-convertkit-post.php

class-convertkit-post.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.0.5, at includes/class-convertkit-post.php

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1	<?php
2	/**
3	* ConvertKit Post class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Class to read ConvertKit Settings for the given Post, Page or Custom Post.
11	*
12	* @since 1.9.6
13	*/
14	class ConvertKit_Post {
15
16	/**
17	* Holds the Post Meta Key that stores ConvertKit settings on a per-Post basis
18	*
19	* @var string
20	*/
21	const POST_META_KEY = '_wp_convertkit_post_meta';
22
23	/**
24	* Holds the Post ID
25	*
26	* @since 1.9.6
27	*
28	* @var int
29	*/
30	public $post_id = 0;
31
32	/**
33	* Holds the Post's Settings
34	*
35	* @var bool\|array
36	*/
37	private $settings = false;
38
39	/**
40	* Constructor. Populates the settings based on the given Post ID.
41	*
42	* @since 1.9.6
43	*
44	* @param int $post_id Post ID.
45	*/
46	public function __construct( $post_id ) {
47
48	// Assign Post's ID to the object.
49	$this->post_id = $post_id;
50
51	// Get Post Meta.
52	$meta = get_post_meta( $post_id, self::POST_META_KEY, true );
53	if ( ! $meta ) {
54	// Fallback to default settings.
55	$meta = $this->get_default_settings();
56
57	// Backward compat check for older Plugin version settings.
58	$old_value = intval( get_post_meta( $post_id, '_convertkit_convertkit_form', true ) );
59	if ( 0 !== $old_value ) {
60	$meta['form'] = $old_value;
61	}
62	}
63
64	// Iterate through default settings, assigning them to the Post Meta array if any keys are missing
65	// to guarantee that the Post Meta array has all expected key/value pairs.
66	// This covers upgrades from 1.4.6 and earlier that would not set e.g. landing_page and tag keys
67	// if no values existed.
68	foreach ( $this->get_default_settings() as $key => $value ) {
69	if ( ! array_key_exists( $key, $meta ) ) {
70	$meta[ $key ] = $value;
71	}
72	}
73
74	// Assign Post's Settings to the object.
75	$this->settings = $meta;
76
77	}
78
79	/**
80	* Returns settings for the Post.
81	*
82	* @since 1.9.6
83	*
84	* @return array
85	*/
86	public function get() {
87
88	return $this->settings;
89
90	}
91
92	/**
93	* Returns the form setting for the Post.
94	*
95	* @since 1.9.6
96	*
97	* @return int
98	*/
99	public function get_form() {
100
101	return $this->settings['form'];
102
103	}
104
105	/**
106	* Returns the landing page setting for the Post.
107	*
108	* @since 1.9.6
109	*
110	* @return int
111	*/
112	public function get_landing_page() {
113
114	return $this->settings['landing_page'];
115
116	}
117
118	/**
119	* Returns the tag setting for the Post.
120	*
121	* @since 1.9.6
122	*
123	* @return int
124	*/
125	public function get_tag() {
126
127	return $this->settings['tag'];
128
129	}
130
131	/**
132	* Whether the Post has a ConvertKit Form defined.
133	*
134	* @since 1.9.6
135	*
136	* @return bool
137	*/
138	public function has_form() {
139
140	return ( $this->settings['form'] > 0 );
141
142	}
143
144	/**
145	* Whether the Post is set to use the Plugin's Default Form Setting.
146	*
147	* @since 1.9.6
148	*
149	* @return bool
150	*/
151	public function uses_default_form() {
152
153	return ( $this->settings['form'] === '-1' );
154
155	}
156
157	/**
158	* Whether the Post's Form setting is set to 'None'
159	*
160	* @since 1.9.6
161	*
162	* @return bool
163	*/
164	public function uses_no_form() {
165
166	return ( $this->settings['form'] === '0' );
167
168	}
169
170	/**
171	* Whether the Post has a ConvertKit Landing Page defined.
172	*
173	* @since 1.9.6
174	*
175	* @return bool
176	*/
177	public function has_landing_page() {
178
179	return ! empty( $this->settings['landing_page'] );
180
181	}
182
183	/**
184	* Whether the Post has a ConvertKit Tag defined.
185	*
186	* @since 1.9.6
187	*
188	* @return bool
189	*/
190	public function has_tag() {
191
192	return ! empty( $this->settings['tag'] );
193
194	}
195
196	/**
197	* Saves Post settings to the Post.
198	*
199	* @since 1.9.6
200	*
201	* @param array $meta Settings.
202	* @return bool Post Meta was updated
203	*/
204	public function save( $meta ) {
205
206	return update_post_meta( $this->post_id, self::POST_META_KEY, $meta );
207
208	}
209
210	/**
211	* The default settings, used to populate the Post's Settings when a Post
212	* has no Settings.
213	*
214	* @since 1.9.6
215	*
216	* @return array
217	*/
218	public function get_default_settings() {
219
220	$defaults = array(
221	'form' => '-1', // -1: Plugin Default Form, 0: No Form, 1+: Specific Form ID on ConvertKit.
222	'landing_page' => '',
223	'tag' => '',
224	);
225
226	/**
227	* The default settings, used to populate the Post's Settings when a Post has no Settings.
228	*
229	* @since 1.9.6
230	*
231	* @param array $defaults Default Settings.
232	*/
233	$defaults = apply_filters( 'convertkit_post_get_default_settings', $defaults );
234
235	return $defaults;
236
237	}
238
239	}
240