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Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages / 1.4.1
Kit (formerly ConvertKit) – Email Newsletter, Email Marketing, Membership, Subscribers and Landing Pages v1.4.1
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← All changes | wp-convertkit.php +404 -171 3.3.8 → 1.4.1 View file →
@@ -1,192 +1,425 @@
1 1 <?php
2 -/**
3 - * Kit (formerly ConvertKit) WordPress Plugin.
4 - *
5 - * @package ConvertKit
6 - * @author ConvertKit
7 - *
8 - * @wordpress-plugin
9 - * Plugin Name: Kit (formerly ConvertKit)
10 - * Plugin URI: https://kit.com/
11 - * Description: Display Kit (formerly ConvertKit) email subscription forms, landing pages, products, broadcasts and more.
12 - * Version: 3.3.8
13 - * Author: Kit
14 - * Author URI: https://kit.com/
15 - * Text Domain: convertkit
16 - * License: GPLv3 or later
17 - * License URI: https://www.gnu.org/licenses/gpl-3.0.html
2 +/*
3 + Plugin Name: WP ConvertKit
4 + Plugin URI: http://convertkit.com/
5 + Description: Quickly and easily integrate ConvertKit forms into your site.
6 + Version: 1.4.1
7 + Author: ConvertKit
8 + Author URI: http://convertkit.com/
18 9 */
19 10
20 -// Bail if Kit is already loaded.
21 -if ( class_exists( 'WP_ConvertKit' ) ) {
22 - return;
23 -}
11 +require_once plugin_dir_path( __FILE__ ) . "/lib/convertkit-api.php";
12 +require_once plugin_dir_path( __FILE__ ) . "/lib/integration/wishlist_member.php";
24 13
25 -// Define Kit Plugin paths and version number.
26 -define( 'CONVERTKIT_PLUGIN_NAME', 'ConvertKit' ); // Used for user-agent in API class.
27 -define( 'CONVERTKIT_PLUGIN_FILE', plugin_basename( __FILE__ ) );
28 -define( 'CONVERTKIT_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
29 -define( 'CONVERTKIT_PLUGIN_PATH', __DIR__ );
30 -define( 'CONVERTKIT_PLUGIN_VERSION', '3.3.8' );
31 -define( 'CONVERTKIT_OAUTH_CLIENT_ID', 'HXZlOCj-K5r0ufuWCtyoyo3f688VmMAYSsKg1eGvw0Y' );
32 -define( 'CONVERTKIT_OAUTH_CLIENT_REDIRECT_URI', 'https://app.kit.com/wordpress/redirect' );
14 +if(!class_exists('WP_ConvertKit')) {
15 + /**
16 + * Class WP_ConvertKit
17 + */
18 + class WP_ConvertKit {
33 19
34 -// Load shared classes, if they have not been included by another Kit Plugin.
35 -if ( ! trait_exists( 'ConvertKit_API_Traits' ) && ! trait_exists( 'ConvertKit_API\ConvertKit_API_Traits' ) ) {
36 - require_once CONVERTKIT_PLUGIN_PATH . '/vendor/convertkit/convertkit-wordpress-libraries/src/class-convertkit-api-traits.php';
37 -}
38 -if ( ! class_exists( 'ConvertKit_API_V4' ) ) {
39 - require_once CONVERTKIT_PLUGIN_PATH . '/vendor/convertkit/convertkit-wordpress-libraries/src/class-convertkit-api-v4.php';
40 -}
41 -if ( ! class_exists( 'ConvertKit_Log' ) ) {
42 - require_once CONVERTKIT_PLUGIN_PATH . '/vendor/convertkit/convertkit-wordpress-libraries/src/class-convertkit-log.php';
43 -}
44 -if ( ! class_exists( 'ConvertKit_Resource_V4' ) ) {
45 - require_once CONVERTKIT_PLUGIN_PATH . '/vendor/convertkit/convertkit-wordpress-libraries/src/class-convertkit-resource-v4.php';
46 -}
47 -if ( ! class_exists( 'ConvertKit_Review_Request' ) ) {
48 - require_once CONVERTKIT_PLUGIN_PATH . '/vendor/convertkit/convertkit-wordpress-libraries/src/class-convertkit-review-request.php';
49 -}
20 + const VERSION = '1.4.1';
50 21
51 -// Load plugin files that are always required.
52 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/cron-functions.php';
53 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/functions.php';
54 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-wp-convertkit.php';
55 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-admin-notices.php';
56 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-broadcasts-exporter.php';
57 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-broadcasts-importer.php';
58 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-cache-plugins.php';
59 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-cron.php';
60 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-form-entries.php';
61 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-gutenberg.php';
62 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-html-parser.php';
63 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-media-library.php';
64 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-output.php';
65 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-output-broadcasts.php';
66 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-output-restrict-content.php';
67 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-post.php';
68 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-preview-output.php';
69 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-cloudflare-turnstile.php';
70 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-recaptcha.php';
71 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-spam-protection.php';
72 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-account.php';
73 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-creator-network-recommendations.php';
74 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-restrict-content-cache.php';
75 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-custom-fields.php';
76 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-forms.php';
77 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-landing-pages.php';
78 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-posts.php';
79 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-products.php';
80 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-sequences.php';
81 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-resource-tags.php';
82 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-settings.php';
83 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-settings-broadcasts.php';
84 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-settings-restrict-content.php';
85 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-setup.php';
86 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-shortcodes.php';
87 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-subscriber.php';
88 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-term.php';
89 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-user.php';
90 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/class-convertkit-widgets.php';
91 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block.php';
92 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-broadcasts.php';
93 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-content.php';
94 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form-trigger.php';
95 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form.php';
96 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form-builder.php';
97 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form-builder-field.php';
98 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form-builder-field-email.php';
99 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form-builder-field-name.php';
100 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-form-builder-field-custom.php';
101 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/blocks/class-convertkit-block-product.php';
102 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/block-formatters/class-convertkit-block-formatter.php';
103 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/block-formatters/class-convertkit-block-formatter-form-link.php';
104 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/block-formatters/class-convertkit-block-formatter-product-link.php';
105 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/plugin-sidebars/class-convertkit-plugin-sidebar.php';
106 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/plugin-sidebars/class-convertkit-plugin-sidebar-post-settings.php';
107 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/pre-publish-actions/class-convertkit-pre-publish-action.php';
108 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/pre-publish-actions/class-convertkit-pre-publish-action-broadcast-export.php';
109 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/widgets/class-ck-widget-form.php';
22 + const POST_META_KEY = '_wp_convertkit_post_meta';
110 23
111 -// Admin classes.
112 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-bulk-edit.php';
113 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-quick-edit.php';
114 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-cache-plugins.php';
115 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-category.php';
116 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-landing-page.php';
117 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-legacy-resource-notice.php';
118 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-post.php';
119 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-refresh-resources.php';
120 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-restrict-content.php';
121 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-settings.php';
122 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-tinymce.php';
123 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-admin-setup-wizard.php';
124 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/class-convertkit-wp-list-table.php';
125 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer.php';
126 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-activecampaign.php';
127 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-aweber.php';
128 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-campaignmonitor.php';
129 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-convertkit-legacy-forms.php';
130 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-mc4wp.php';
131 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-mailpoet.php';
132 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/importers/class-convertkit-admin-importer-newsletter.php';
133 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-base.php';
134 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-broadcasts.php';
135 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-form-entries.php';
136 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-general.php';
137 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-oauth.php';
138 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-restrict-content.php';
139 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/section/class-convertkit-admin-section-tools.php';
140 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/setup-wizard/class-convertkit-admin-setup-wizard-plugin.php';
141 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/setup-wizard/class-convertkit-admin-setup-wizard-landing-page.php';
142 -require_once CONVERTKIT_PLUGIN_PATH . '/admin/setup-wizard/class-convertkit-admin-setup-wizard-restrict-content.php';
24 + const SETTINGS_NAME = '_wp_convertkit_settings';
143 25
144 -// Contact Form 7 Integration.
145 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/contactform7/class-convertkit-contactform7-admin-section.php';
146 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/contactform7/class-convertkit-contactform7.php';
147 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/contactform7/class-convertkit-contactform7-settings.php';
26 + const SETTINGS_PAGE_SLUG = '_wp_convertkit_settings';
148 27
149 -// Divi Integration.
150 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/divi/class-convertkit-divi.php';
28 + /** @var ConvertKitAPI */
29 + private static $api;
151 30
152 -// Elementor Integration.
153 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/elementor/class-convertkit-elementor.php';
31 + /** @var int Data Caching */
32 + private static $cache_period = 0;
154 33
155 -// Forminator Integration.
156 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/forminator/class-convertkit-forminator-admin-section.php';
157 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/forminator/class-convertkit-forminator.php';
158 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/forminator/class-convertkit-forminator-settings.php';
34 + /** @var null */
35 + private static $meta_defaults = null;
159 36
160 -// Impeka Integration.
161 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/class-convertkit-impeka.php';
37 + /** @var array */
38 + private static $settings_defaults = array(
39 + 'api_key' => '',
40 + 'default_form' => 0,
41 + );
162 42
163 -// Uncode Integration.
164 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/class-convertkit-uncode.php';
43 + /** @var array */
44 + private static $forms_markup = array();
165 45
166 -// WishList Member Integration.
167 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/wishlist/class-convertkit-wishlist-admin-section.php';
168 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/wishlist/class-convertkit-wishlist.php';
169 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/wishlist/class-convertkit-wishlist-settings.php';
46 + /** @var array */
47 + private static $landing_pages_markup = array();
170 48
171 -// WooCommerce Integration.
172 -require_once CONVERTKIT_PLUGIN_PATH . '/includes/integrations/woocommerce/class-convertkit-woocommerce-product-form.php';
49 + /** @var string */
50 + private static $forms_version = '5';
173 51
174 -// Register Plugin activation and deactivation functions.
175 -register_activation_hook( __FILE__, 'convertkit_plugin_activate' );
176 -add_action( 'wp_insert_site', 'convertkit_plugin_activate_new_site' );
177 -add_action( 'activate_blog', 'convertkit_plugin_activate_new_site' );
178 -register_deactivation_hook( __FILE__, 'convertkit_plugin_deactivate' );
52 + /**
53 + * Initialize the class
54 + */
55 + public static function init() {
56 + self::add_actions();
57 + self::add_filters();
58 + self::register_shortcodes();
179 59
180 -/**
181 - * Main function to return Plugin instance.
182 - *
183 - * @since 1.9.6
184 - */
185 -function WP_ConvertKit() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName
60 + self::$cache_period = MINUTE_IN_SECONDS * 10;
186 61
187 - return WP_ConvertKit::get_instance();
62 + self::_api_connect();
63 + }
188 64
65 + /**
66 + * Add WP Actions
67 + */
68 + private static function add_actions() {
69 + if(is_admin()) {
70 + add_action('add_meta_boxes_page', array(__CLASS__, 'add_meta_boxes'));
71 + add_action('add_meta_boxes_post', array(__CLASS__, 'add_meta_boxes'));
72 + } else {
73 + add_action('template_redirect', array(__CLASS__, 'page_takeover'));
74 + }
75 +
76 + add_action('save_post', array(__CLASS__, 'save_post_meta'), 10, 2);
77 +
78 + add_action('init', array(__CLASS__, 'upgrade') , 10);
79 + }
80 +
81 + /**
82 + * Add WP Filters
83 + */
84 + private static function add_filters() {
85 + if(!is_admin()) {
86 + add_filter('the_content', array(__CLASS__, 'append_form'));
87 + }
88 +
89 + add_filter('plugin_action_links_' . plugin_basename(__FILE__), array(__CLASS__, 'add_settings_page_link'));
90 + }
91 +
92 + /**
93 + * Register ConvertKit shortcodes
94 + */
95 + private static function register_shortcodes() {
96 + add_shortcode('convertkit', array(__CLASS__, 'shortcode'));
97 + }
98 +
99 + /**
100 + * Plugin action links callback
101 + *
102 + * @param $links
103 + * @return array
104 + */
105 + public static function add_settings_page_link($links) {
106 + $settings_link = sprintf('<a href="%s">%s</a>', self::_get_settings_page_link(), __('Settings'));
107 +
108 + return array('settings' => $settings_link) + $links;
109 + }
110 +
111 + /**
112 + * Add Meta Boxes callback
113 + *
114 + * @param $post
115 + */
116 + public static function add_meta_boxes($post) {
117 + $forms = self::$api->get_resources('forms');
118 + $landing_pages = self::$api->get_resources('landing_pages');
119 +
120 + if(!empty($forms) || ('page' === $post->post_type && !empty($landing_pages))) {
121 + add_meta_box('wp-convertkit-meta-box', __('ConvertKit'), array(__CLASS__, 'display_meta_box'), $post->post_type, 'normal');
122 + }
123 + }
124 +
125 + /**
126 + * Metabox callback
127 + *
128 + * @param $post
129 + */
130 + public static function display_meta_box($post) {
131 + $forms = self::$api->get_resources('forms');
132 + $landing_pages = self::$api->get_resources('landing_pages');
133 +
134 + $meta = self::_get_meta($post->ID);
135 + $settings_link = self::_get_settings_page_link();
136 +
137 + include('views/backend/meta-boxes/meta-box.php');
138 + }
139 +
140 + /**
141 + * Save post meta callback
142 + *
143 + * @param $post_id
144 + * @param $post
145 + */
146 + public static function save_post_meta($post_id, $post) {
147 + $data = stripslashes_deep($_POST);
148 + if(wp_is_post_autosave($post_id) || wp_is_post_revision($post_id) || !isset($data['wp-convertkit-save-meta-nonce']) || !wp_verify_nonce($data['wp-convertkit-save-meta-nonce'], 'wp-convertkit-save-meta')) {
149 + return;
150 + }
151 +
152 + self::_set_meta($post_id, $data['wp-convertkit']);
153 + }
154 +
155 + /**
156 + * Page/Post display callback
157 + *
158 + * @param $content
159 + * @return string
160 + */
161 + public static function append_form( $content ) {
162 +
163 + if(is_singular(array('post')) || is_page()) {
164 +
165 + $attributes = self::_get_meta( get_the_ID() );
166 +
167 + $form_id = 0;
168 +
169 + if ( isset( $attributes['form'] ) && ( 0 < $attributes['form'] ) ) {
170 + $form_id = $attributes['form'];
171 + } else {
172 + if ( -1 == $attributes['form'] )
173 + $form_id = self::_get_settings('default_form');
174 + }
175 +
176 + if ( 0 < $form_id ) {
177 + $url = add_query_arg( array(
178 + 'api_key' => self::_get_settings( 'api_key' ),
179 + 'v' => self::$forms_version,
180 + ),
181 + 'https://forms.convertkit.com/' . $form_id . '.html'
182 + );
183 +
184 + $form_markup = self::$api->get_resource( $url );
185 + $content .= $form_markup;
186 + }
187 + }
188 +
189 + return $content;
190 + }
191 +
192 + /**
193 + * Replace page content if a landing_page is set
194 + */
195 + public static function page_takeover() {
196 + $queried_object = get_queried_object();
197 + if(isset($queried_object->post_type)
198 + && 'page' === $queried_object->post_type
199 + && ($landing_page_url = self::_get_meta($queried_object->ID, 'landing_page'))) {
200 + $landing_page = self::$api->get_resource($landing_page_url);
201 +
202 + if(!empty($landing_page)) {
203 + echo $landing_page;
204 + exit;
205 + }
206 + }
207 +
208 + }
209 +
210 + /**
211 + * Shortcode callback
212 + *
213 + * @param $attributes
214 + * @param null $content
215 + * @return mixed|void
216 + */
217 + public static function shortcode($attributes, $content = null) {
218 +
219 + if ( isset( $attributes['id'] ) ) {
220 + $form_id = $attributes['id'];
221 + $url = add_query_arg( array(
222 + 'api_key' => self::_get_settings( 'api_key' ),
223 + 'v' => self::$forms_version,
224 + ),
225 + 'https://forms.convertkit.com/' . $form_id . '.html'
226 + );
227 + } elseif ( isset( $attributes['form'] ) ) {
228 + $form_id = $attributes['form'];
229 + $url = add_query_arg( array(
230 + 'k' => self::_get_settings( 'api_key' ),
231 + 'v' => '2',
232 + ),
233 + 'https://api.convertkit.com/forms/' . $form_id . '/embed'
234 + );
235 + } else {
236 + $form_id = self::_get_settings( 'default_form' );
237 + $url = add_query_arg( array(
238 + 'api_key' => self::_get_settings( 'api_key' ),
239 + 'v' => self::$forms_version,
240 + ),
241 + 'https://forms.convertkit.com/' . $form_id . '.html'
242 + );
243 + }
244 +
245 + if ( 0 < $form_id ) {
246 + $form_markup = self::$api->get_resource( $url );
247 + } else {
248 + $form_markup = '';
249 + }
250 +
251 + return apply_filters('wp_convertkit_get_form_embed', $form_markup, $attributes );
252 + }
253 +
254 + /**
255 + * Retrieve meta
256 + *
257 + * @return array|null
258 + */
259 + private static function _get_meta_defaults() {
260 + if(is_null(self::$meta_defaults)) {
261 + self::$meta_defaults = array(
262 + 'form' => -1,
263 + 'landing_page' => '',
264 + );
265 + }
266 +
267 + return self::$meta_defaults;
268 + }
269 +
270 + /**
271 + * @param $post_id
272 + * @param null $meta_key
273 + *
274 + * @return array|bool
275 + */
276 + private static function _get_meta($post_id, $meta_key = null) {
277 + $post_id = empty($post_id) ? get_the_ID() : $post_id;
278 +
279 + $meta = get_post_meta($post_id, self::POST_META_KEY, true);
280 + $meta_defaults = self::_get_meta_defaults();
281 +
282 + if(empty($meta)) {
283 + $meta = $meta_defaults;
284 +
285 + $old_value = intval(get_post_meta($post_id, '_convertkit_convertkit_form', true));
286 + if(0 !== $old_value) {
287 + $meta['form'] = $old_value;
288 + }
289 + }
290 +
291 + $meta = shortcode_atts($meta_defaults, $meta);
292 +
293 + return is_null($meta_key) ? $meta : (isset($meta[$meta_key]) ? $meta[$meta_key] : false);
294 + }
295 +
296 + /**
297 + * @param $post_id
298 + * @param $meta
299 + *
300 + * @return mixed
301 + */
302 + private static function _set_meta($post_id, $meta) {
303 + $post_id = empty($post_id) ? get_the_ID() : $post_id;
304 +
305 + update_post_meta($post_id, self::POST_META_KEY, $meta);
306 +
307 + return $meta;
308 + }
309 +
310 + /**
311 + * Get plugin settings
312 + *
313 + * @param null $settings_key
314 + * @return mixed|null|void
315 + */
316 + private static function _get_settings($settings_key = null) {
317 + $settings = get_option(self::SETTINGS_NAME, self::$settings_defaults);
318 +
319 + return is_null($settings_key) ? $settings : (isset($settings[$settings_key]) ? $settings[$settings_key] : null);
320 + }
321 +
322 + /**
323 + * Get instance of ConvertKitAPI
324 + */
325 + private static function _api_connect() {
326 + $api_key = self::_get_settings('api_key');
327 + $api_secret = self::_get_settings('api_secret');
328 +
329 + self::$api = new ConvertKitAPI($api_key,$api_secret);
330 + }
331 +
332 + /**
333 + * Get link to the plugin settings page
334 + *
335 + * @param array $query_args
336 + * @return string
337 + */
338 + private static function _get_settings_page_link($query_args = array()) {
339 + $query_args = array('page' => self::SETTINGS_PAGE_SLUG) + $query_args;
340 +
341 + return add_query_arg($query_args, admin_url('options-general.php'));
342 + }
343 +
344 +
345 + /**
346 + * Run version specific upgrade.
347 + */
348 + public static function upgrade() {
349 +
350 + $current_version = get_option( 'convertkit_version' );
351 +
352 + if ( ! $current_version) {
353 +
354 + // Run 1.4.1 upgrade
355 + $settings = self::_get_settings( );
356 +
357 + if ( isset( $settings['api_key'] ) ) {
358 +
359 + // Get all posts and pages to track what has been updated
360 + $posts = get_option( '_wp_convertkit_upgrade_posts' );
361 +
362 + if ( ! $posts ) {
363 +
364 + $args = array(
365 + 'post_type' => array( 'post', 'page' ),
366 + 'fields' => 'ids',
367 + 'posts_per_page' => -1,
368 + );
369 +
370 + $result = new WP_Query( $args );
371 + if (! is_wp_error( $result ) ) {
372 + $posts = $result->posts;
373 + update_option( '_wp_convertkit_upgrade_posts', $posts );
374 + }
375 + }
376 +
377 + // Get form mappings
378 + $mappings = self::$api->get_resources('subscription_forms');;
379 +
380 + // 1. Update global form. Set 'api_version' so this is only done once.
381 + if ( ! isset( $settings['api_version'] ) ) {
382 + $old_form_id = $settings['default_form'];
383 + $settings['default_form'] = isset( $mappings[ $old_form_id ] ) ? $mappings[ $old_form_id ] : 0;
384 + $settings['api_version'] = 'v3';
385 + update_option( self::SETTINGS_NAME, $settings );
386 + }
387 +
388 + // 2. Scan posts/pages for _wp_convertkit_post_meta and update IDs
389 + // Scan content for shortcode and update
390 + // Remove page_id from posts array after page is updated.
391 + foreach ( $posts as $key => $post_id ) {
392 + $post_settings = get_post_meta( $post_id, '_wp_convertkit_post_meta', true );
393 +
394 + if ( isset( $post_settings['form'] ) && ( 0 < $post_settings['form'] ) )
395 + $post_settings['form'] = isset( $mappings[ $post_settings['form'] ] ) ? $mappings[ $post_settings['form'] ] : 0;
396 + if ( isset( $post_settings['landing_page'] ) && ( 0 < $post_settings['landing_page'] ) )
397 + $post_settings['landing_page'] = isset( $mappings[ $post_settings['landing_page'] ] ) ? $mappings[ $post_settings['landing_page'] ] : 0;
398 +
399 + update_post_meta( $post_id, '_wp_convertkit_post_meta', $post_settings );
400 +
401 + unset($posts[ $key ]);
402 + update_option( '_wp_convertkit_upgrade_posts', $posts );
403 + }
404 +
405 + // Done scanning posts, upgrade complete.
406 + if ( empty( $posts ) ) {
407 + update_option( 'convertkit_version', self::VERSION );
408 + delete_option( '_wp_convertkit_upgrade_posts' );
409 + }
410 +
411 + } else {
412 +
413 + update_option( 'convertkit_version', self::VERSION );
414 +
415 + }
416 +
417 + }
418 +
419 + }
420 + }
421 +
422 + WP_ConvertKit::init();
189 423 }
190 424
191 -// Finally, initialize the Plugin.
192 -WP_ConvertKit();
425 +include 'admin/settings.php';