convertkit / admin / class-convertkit-admin-post.php

class-convertkit-admin-post.php in Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages 2.5.5, at admin/class-convertkit-admin-post.php

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1	<?php
2	/**
3	* ConvertKit Admin Post class.
4	*
5	* @package ConvertKit
6	* @author ConvertKit
7	*/
8
9	/**
10	* Registers a metabox on Posts, Pages and public facing Custom Post Types
11	* and saves its settings when the Post is saved in the WordPress Administration
12	* interface.
13	*
14	* @package ConvertKit
15	* @author ConvertKit
16	*/
17	class ConvertKit_Admin_Post {
18
19	/**
20	* Registers action and filter hooks.
21	*
22	* @since 1.9.6
23	*/
24	public function __construct() {
25
26	// Register "Add New" ConvertKit button on Pages.
27	add_filter( 'views_edit-page', array( $this, 'output_wp_list_table_buttons' ) );
28
29	add_action( 'post_submitbox_misc_actions', array( $this, 'output_pre_publish_actions' ) );
30	add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );
31	add_action( 'save_post', array( $this, 'save_post_meta' ) );
32
33	}
34
35	/**
36	* Registers 'Add New' buttons for the given Post Type's admin screen.
37	*
38	* If no options are registered, no button is displayed.
39	*
40	* JS will move this button to be displayed next to the "Add New" button when viewing the table of Pages or Posts,
41	* as there is not a native WordPress action/filter for registering buttons next to the "Add New" button.
42	*
43	* @since 2.5.5
44	*
45	* @param array $views Views.
46	* @return array Views
47	*/
48	public function output_wp_list_table_buttons( $views ) {
49
50	// Get current post type that we're viewing.
51	$post_type = $this->get_current_post_type();
52
53	// Don't output any buttons if we couldn't determine the current post type.
54	if ( ! $post_type ) {
55	return $views;
56	}
57
58	// Define a blank array of buttons to be filtered.
59	$buttons = array();
60
61	/**
62	* Registers 'Add New' buttons for the given Post Type's admin screen.
63	*
64	* @since 2.5.5
65	*
66	* @param array $buttons Buttons.
67	* @param string $post_type Post Type.
68	*/
69	$buttons = apply_filters( 'convertkit_admin_post_register_add_new_buttons', $buttons, $post_type );
70
71	// Bail if no buttons are registered for display.
72	if ( ! count( $buttons ) ) {
73	return $views;
74	}
75
76	// Enqueue JS and CSS.
77	wp_enqueue_script( 'convertkit-admin-wp-list-table-buttons', CONVERTKIT_PLUGIN_URL . 'resources/backend/js/wp-list-table-buttons.js', array( 'jquery' ), CONVERTKIT_PLUGIN_VERSION, true );
78	wp_enqueue_style( 'convertkit-admin-wp-list-table-buttons', CONVERTKIT_PLUGIN_URL . 'resources/backend/css/wp-list-table-buttons.css', array(), CONVERTKIT_PLUGIN_VERSION );
79
80	// Register buttons.
81	foreach ( $buttons as $button_name => $button ) {
82	$views[ $button_name ] = sprintf(
83	'<a href="%s" class="convertkit-action page-title-action hidden">%s</a>',
84	esc_attr( $button['url'] ),
85	esc_html( $button['label'] )
86	);
87
88	}
89
90	return $views;
91
92	}
93
94	/**
95	* Enqueue JavaScript when editing a Page, Post or Custom Post Type that outputs
96	* ConvertKit Plugin settings.
97	*
98	* @since 1.9.6.4
99	*/
100	public function enqueue_scripts() {
101
102	// Enqueue Select2 JS.
103	convertkit_select2_enqueue_scripts();
104
105	/**
106	* Enqueue JavaScript when editing a Page, Post or Custom Post Type that outputs
107	* ConvertKit Plugin settings.
108	*
109	* @since 1.9.6.4
110	*/
111	do_action( 'convertkit_admin_post_enqueue_scripts' );
112
113	}
114
115	/**
116	* Enqueue CSS when editing a Page, Post or Custom Post Type that outputs
117	* ConvertKit Plugin settings.
118	*
119	* @since 1.9.6.4
120	*/
121	public function enqueue_styles() {
122
123	// Enqueue Select2 CSS.
124	convertkit_select2_enqueue_styles();
125
126	// Enqueue Post CSS.
127	wp_enqueue_style( 'convertkit-post', CONVERTKIT_PLUGIN_URL . 'resources/backend/css/post.css', array(), CONVERTKIT_PLUGIN_VERSION );
128
129	/**
130	* Enqueue CSS for the Settings Screen at Settings > ConvertKit
131	*
132	* @since 1.9.6.4
133	*/
134	do_action( 'convertkit_admin_post_enqueue_styles' );
135
136	}
137
138	/**
139	* Registers actions in the pre-publish actions section of the Publish metabox
140	* in the Classic Editor.
141	*
142	* @since 2.4.0
143	*
144	* @param WP_Post $post WordPress Post.
145	*/
146	public function output_pre_publish_actions( $post ) {
147
148	// Bail if no actions registered.
149	$pre_publish_actions = convertkit_get_pre_publish_actions();
150	if ( ! count( $pre_publish_actions ) ) {
151	return;
152	}
153
154	// Bail if Post is not a supported Post Type.
155	if ( get_post_type( $post ) !== 'post' ) {
156	return;
157	}
158
159	// Bail if Post is not a draft.
160	if ( ! in_array( $post->post_status, array( 'draft', 'auto-draft' ), true ) ) {
161	return;
162	}
163
164	// Load pre-publish actions view.
165	include CONVERTKIT_PLUGIN_PATH . '/views/backend/post/pre-publish-actions.php';
166
167	}
168
169	/**
170	* Adds a meta box for the given Post Type.
171	*
172	* @since 1.9.6
173	*
174	* @param string $post_type Post Type.
175	*/
176	public function add_meta_boxes( $post_type ) {
177
178	// Don't register the meta box if this Post Type isn't supported.
179	$supported_post_types = convertkit_get_supported_post_types();
180	if ( ! in_array( $post_type, $supported_post_types, true ) ) {
181	return;
182	}
183
184	// Register Meta Box.
185	add_meta_box( 'wp-convertkit-meta-box', __( 'ConvertKit', 'convertkit' ), array( $this, 'display_meta_box' ), $post_type, 'normal' );
186
187	// Enqueue JS and CSS.
188	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
189	add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_styles' ) );
190
191	}
192
193	/**
194	* Outputs the meta box.
195	*
196	* @since 1.9.6
197	*
198	* @param WP_Post $post The Post being edited.
199	*/
200	public function display_meta_box( $post ) {
201
202	// Don't register the meta box if this Post is the blog archive page.
203	if ( $post->ID === get_option( 'page_for_posts' ) ) {
204	return;
205	}
206
207	// Show a warning if the API credentials haven't been set.
208	$settings = new ConvertKit_Settings();
209	if ( ! $settings->has_access_and_refresh_token() ) {
210	$post_type = get_post_type_object( $post->post_type );
211	$api = new ConvertKit_API_V4( CONVERTKIT_OAUTH_CLIENT_ID, CONVERTKIT_OAUTH_CLIENT_REDIRECT_URI );
212	include CONVERTKIT_PLUGIN_PATH . '/views/backend/post/no-api-key.php';
213	return;
214	}
215
216	// Initialize Restrict Content Settings class.
217	$restrict_content_settings = new ConvertKit_Settings_Restrict_Content();
218
219	// Fetch Post Settings, Forms, Landing Pages and Tags.
220	$convertkit_post = new ConvertKit_Post( $post->ID );
221	$convertkit_forms = new ConvertKit_Resource_Forms();
222	$convertkit_landing_pages = new ConvertKit_Resource_Landing_Pages();
223	$convertkit_products = new ConvertKit_Resource_Products();
224	$convertkit_tags = new ConvertKit_Resource_Tags();
225
226	// Get settings page link.
227	$settings_link = convertkit_get_settings_link();
228
229	// Load metabox view.
230	include CONVERTKIT_PLUGIN_PATH . '/views/backend/post/meta-box.php';
231
232	}
233
234	/**
235	* Saves Post Settings when either editing a Post/Page or using the Quick Edit functionality.
236	*
237	* @since 1.9.6
238	*
239	* @param int $post_id Post ID.
240	*/
241	public function save_post_meta( $post_id ) {
242
243	// Bail if this is an autosave.
244	if ( wp_is_post_autosave( $post_id ) ) {
245	return;
246	}
247
248	// Bail if this is a post revision.
249	if ( wp_is_post_revision( $post_id ) ) {
250	return;
251	}
252
253	// Bail if no nonce field exists.
254	if ( ! isset( $_POST['wp-convertkit-save-meta-nonce'] ) ) {
255	return;
256	}
257
258	// Bail if the nonce verification fails.
259	if ( ! wp_verify_nonce( sanitize_key( wp_unslash( $_POST['wp-convertkit-save-meta-nonce'] ) ), 'wp-convertkit-save-meta' ) ) {
260	return;
261	}
262
263	// Bail if no ConvertKit settings were posted.
264	if ( ! isset( $_POST['wp-convertkit'] ) ) {
265	return;
266	}
267
268	// Save Post's settings.
269	$this->save_post_settings( $post_id, $_POST['wp-convertkit'] );
270
271	}
272
273	/**
274	* Saves the Post's settings submitted via $_POST or $_REQUEST.
275	* Can be used across Edit, Quick Edit and Bulk Edit.
276	*
277	* @since 1.9.8.0
278	*
279	* @param int $post_id Post ID.
280	* @param array $settings Settings.
281	*/
282	public function save_post_settings( $post_id, $settings ) {
283
284	// Get Post's settings.
285	$convertkit_post = new ConvertKit_Post( $post_id );
286	$meta = $convertkit_post->get();
287
288	// Update Post's setting values if they were included in the $_POST data.
289	// Some values may not be included in the $_POST data e.g. if Quick Edit is used and no Landing Page was specified,
290	// in which case the existing Post's value will be used.
291	// This ensures settings are not deleted by accident.
292	foreach ( $meta as $key => $existing_value ) {
293	// Skip if this setting isn't included in the $_POST data.
294	if ( ! isset( $settings[ $key ] ) ) {
295	continue;
296	}
297
298	// Sanitize value.
299	$new_value = sanitize_text_field( wp_unslash( $settings[ $key ] ) );
300
301	// Skip if the setting value is -2, as this means it's a Bulk Edit request and this setting
302	// is set as 'No Change'.
303	if ( $new_value == '-2' ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual
304	continue;
305	}
306
307	// Update setting using posted value.
308	$meta[ $key ] = $new_value;
309	}
310
311	// Save settings.
312	$convertkit_post->save( $meta );
313
314	// If a Form or Landing Page was specified, request a review.
315	// This can safely be called multiple times, as the review request
316	// class will ensure once a review request is dismissed by the user,
317	// it is never displayed again.
318	if ( $meta['form'] \|\| $meta['landing_page'] ) {
319	WP_ConvertKit()->get_class( 'review_request' )->request_review();
320	}
321
322	}
323
324	/**
325	* Get the current post type based on the screen that is viewed.
326	*
327	* @since 2.5.5
328	*
329	* @return bool\|string
330	*/
331	private function get_current_post_type() {
332
333	// Bail if we cannot determine the screen.
334	if ( ! function_exists( 'get_current_screen' ) ) {
335	return false;
336	}
337
338	// Get screen.
339	$screen = get_current_screen();
340
341	// Return post type.
342	return $screen->post_type;
343
344	}
345
346	}
347