← All changes | includes/class-convertkit-resource-forms.php +516 -24 2.2.3 → 3.1.0 View file →

		@@ -11,9 +11,9 @@
11	11	* ConvertKit Forms data stored locally from the API.
12	12	*
13	13	* @since 1.9.6
14	14	*/
15		-class ConvertKit_Resource_Forms extends ConvertKit_Resource {
	15	+class ConvertKit_Resource_Forms extends ConvertKit_Resource_V4 {
16	16
17	17	/**
18	18	* Holds the Settings Key that stores site wide ConvertKit settings
19	19	*
		@@ -36,14 +36,16 @@
36	36	* @param bool|string $context Context.
37	37	*/
38	38	public function __construct( $context = false ) {
39	39
40		- // Initialize the API if the API Key and Secret have been defined in the Plugin Settings.
	40	+ // Initialize the API if the Access Token has been defined in the Plugin Settings.
41	41	$settings = new ConvertKit_Settings();
42		- if ( $settings->has_api_key_and_secret() ) {
43		- $this->api = new ConvertKit_API(
44		- $settings->get_api_key(),
45		- $settings->get_api_secret(),
	42	+ if ( $settings->has_access_and_refresh_token() ) {
	43	+ $this->api = new ConvertKit_API_V4(
	44	+ CONVERTKIT_OAUTH_CLIENT_ID,
	45	+ CONVERTKIT_OAUTH_CLIENT_REDIRECT_URI,
	46	+ $settings->get_access_token(),
	47	+ $settings->get_refresh_token(),
46	48	$settings->debug_enabled(),
47	49	$context
48	50	);
49	51	}
		@@ -53,8 +55,419 @@
53	55
54	56	}
55	57
56	58	/**
	59	+ * Returns all inline forms based on the sort order.
	60	+ *
	61	+ * @since 2.7.3
	62	+ *
	63	+ * @return bool|array
	64	+ */
	65	+ public function get_inline() {
	66	+
	67	+ // If the ConvertKit WordPress Libraries are < 1.3.6 (e.g. loaded by an outdated
	68	+ // addon), or a WordPress site updates this Plugin before other ConvertKit Plugins,
	69	+ // get_by() won't be available and will cause an E_ERROR, crashing the site.
	70	+ // @see https://wordpress.org/support/topic/error-1795/.
	71	+ if ( ! method_exists( $this, 'get_by' ) ) { // @phpstan-ignore-line Older WordPress Libraries won't have this function.
	72	+ return false;
	73	+ }
	74	+
	75	+ return $this->get_by( 'format', array( 'inline' ) );
	76	+
	77	+ }
	78	+
	79	+ /**
	80	+ * Returns whether any inline forms exist in the options table.
	81	+ *
	82	+ * @since 2.7.3
	83	+ *
	84	+ * @return bool
	85	+ */
	86	+ public function inline_exist() {
	87	+
	88	+ return (bool) $this->get_inline();
	89	+
	90	+ }
	91	+
	92	+ /**
	93	+ * Returns all non-inline forms based on the sort order.
	94	+ *
	95	+ * @since 2.2.4
	96	+ *
	97	+ * @return bool|array
	98	+ */
	99	+ public function get_non_inline() {
	100	+
	101	+ // If the ConvertKit WordPress Libraries are < 1.3.6 (e.g. loaded by an outdated
	102	+ // addon), or a WordPress site updates this Plugin before other ConvertKit Plugins,
	103	+ // get_by() won't be available and will cause an E_ERROR, crashing the site.
	104	+ // @see https://wordpress.org/support/topic/error-1795/.
	105	+ if ( ! method_exists( $this, 'get_by' ) ) { // @phpstan-ignore-line Older WordPress Libraries won't have this function.
	106	+ return false;
	107	+ }
	108	+
	109	+ return $this->get_by( 'format', array( 'modal', 'slide in', 'sticky bar' ) );
	110	+
	111	+ }
	112	+
	113	+ /**
	114	+ * Returns whether any non-inline forms exist in the options table.
	115	+ *
	116	+ * @since 2.2.4
	117	+ *
	118	+ * @return bool
	119	+ */
	120	+ public function non_inline_exist() {
	121	+
	122	+ if ( ! $this->get_non_inline() ) {
	123	+ return false;
	124	+ }
	125	+
	126	+ return true;
	127	+
	128	+ }
	129	+
	130	+ /**
	131	+ * Determines if the given Form ID is a legacy Form or Landing Page.
	132	+ *
	133	+ * @since 2.5.0
	134	+ *
	135	+ * @param int $id Form or Landing Page ID.
	136	+ */
	137	+ public function is_legacy( $id ) {
	138	+
	139	+ // Get Form.
	140	+ $form = $this->get_by_id( (int) $id );
	141	+
	142	+ // Return false if no Form exists.
	143	+ if ( ! $form ) {
	144	+ return false;
	145	+ }
	146	+
	147	+ // If the `format` key exists, this is not a legacy Form.
	148	+ if ( array_key_exists( 'format', $form ) ) {
	149	+ return false;
	150	+ }
	151	+
	152	+ return true;
	153	+
	154	+ }
	155	+
	156	+ /**
	157	+ * Returns a <select> field populated with all forms, based on the given parameters.
	158	+ *
	159	+ * @since 2.3.9
	160	+ *
	161	+ * @param string $name Name.
	162	+ * @param string $id ID.
	163	+ * @param bool|array $css_classes <select> CSS class(es).
	164	+ * @param string $selected_option <option> value to mark as selected.
	165	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	166	+ * @param bool|array $attributes <select> attributes.
	167	+ * @param bool|string|array $description Description.
	168	+ * @return string HTML Select Field
	169	+ */
	170	+ public function get_select_field_all( $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	171	+
	172	+ return $this->get_select_field(
	173	+ $this->get(),
	174	+ $name,
	175	+ $id,
	176	+ $css_classes,
	177	+ $selected_option,
	178	+ $prepend_options,
	179	+ $attributes,
	180	+ $description
	181	+ );
	182	+
	183	+ }
	184	+
	185	+ /**
	186	+ * Outputs a <select> field populated with all forms, based on the given parameters.
	187	+ *
	188	+ * @since 2.8.5
	189	+ *
	190	+ * @param string $name Name.
	191	+ * @param string $id ID.
	192	+ * @param bool|array $css_classes <select> CSS class(es).
	193	+ * @param string $selected_option <option> value to mark as selected.
	194	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	195	+ * @param bool|array $attributes <select> attributes.
	196	+ * @param bool|string|array $description Description.
	197	+ */
	198	+ public function output_select_field_all( $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	199	+
	200	+ $this->output_select_field(
	201	+ $this->get(),
	202	+ $name,
	203	+ $id,
	204	+ $css_classes,
	205	+ $selected_option,
	206	+ $prepend_options,
	207	+ $attributes,
	208	+ $description
	209	+ );
	210	+
	211	+ }
	212	+
	213	+ /**
	214	+ * Returns a <select> field populated with all non-inline forms, based on the given parameters.
	215	+ *
	216	+ * @since 2.3.9
	217	+ *
	218	+ * @param string $name Name.
	219	+ * @param string $id ID.
	220	+ * @param bool|array $css_classes <select> CSS class(es).
	221	+ * @param array $selected_options <option> values to mark as selected.
	222	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	223	+ * @param bool|array $attributes <select> attributes.
	224	+ * @param bool|string|array $description Description.
	225	+ * @return string HTML Select Field
	226	+ */
	227	+ public function get_select_field_non_inline( $name, $id, $css_classes, $selected_options, $prepend_options = false, $attributes = false, $description = false ) {
	228	+
	229	+ return $this->get_multi_select_field(
	230	+ $this->get_non_inline(),
	231	+ $name,
	232	+ $id,
	233	+ $css_classes,
	234	+ $selected_options,
	235	+ $prepend_options,
	236	+ $attributes,
	237	+ $description
	238	+ );
	239	+
	240	+ }
	241	+
	242	+ /**
	243	+ * Outputs a <select> field populated with all non-inline forms, based on the given parameters.
	244	+ *
	245	+ * @since 2.3.9
	246	+ *
	247	+ * @param string $name Name.
	248	+ * @param string $id ID.
	249	+ * @param bool|array $css_classes <select> CSS class(es).
	250	+ * @param array $selected_options <option> values to mark as selected.
	251	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	252	+ * @param bool|array $attributes <select> attributes.
	253	+ * @param bool|string|array $description Description.
	254	+ */
	255	+ public function output_select_field_non_inline( $name, $id, $css_classes, $selected_options, $prepend_options = false, $attributes = false, $description = false ) {
	256	+
	257	+ echo wp_kses(
	258	+ $this->get_select_field_non_inline(
	259	+ $name,
	260	+ $id,
	261	+ $css_classes,
	262	+ $selected_options,
	263	+ $prepend_options,
	264	+ $attributes,
	265	+ $description
	266	+ ),
	267	+ convertkit_kses_allowed_html()
	268	+ );
	269	+
	270	+ }
	271	+
	272	+ /**
	273	+ * Returns a <select> field populated with the resources, based on the given parameters.
	274	+ *
	275	+ * @since 2.3.9
	276	+ *
	277	+ * @param array $forms Forms.
	278	+ * @param string $name Name.
	279	+ * @param string $id ID.
	280	+ * @param bool|array $css_classes <select> CSS class(es).
	281	+ * @param string $selected_option <option> value to mark as selected.
	282	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	283	+ * @param bool|array $attributes <select> attributes.
	284	+ * @param bool|string|array $description Description.
	285	+ * @return string HTML Select Field
	286	+ */
	287	+ private function get_select_field( $forms, $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	288	+
	289	+ $html = sprintf(
	290	+ '<select name="%s" id="%s" class="%s"',
	291	+ esc_attr( $name ),
	292	+ esc_attr( $id ),
	293	+ esc_attr( ( is_array( $css_classes ) ? implode( ' ', $css_classes ) : '' ) )
	294	+ );
	295	+
	296	+ // Append any attributes.
	297	+ if ( $attributes ) {
	298	+ foreach ( $attributes as $key => $value ) {
	299	+ $html .= sprintf(
	300	+ ' %s="%s"',
	301	+ esc_attr( $key ),
	302	+ esc_attr( $value )
	303	+ );
	304	+ }
	305	+ }
	306	+
	307	+ // Close select tag.
	308	+ $html .= '>';
	309	+
	310	+ // If any prepended options exist, add them now.
	311	+ if ( $prepend_options ) {
	312	+ foreach ( $prepend_options as $value => $label ) {
	313	+ $html .= sprintf(
	314	+ '<option value="%s" data-preserve-on-refresh="1"%s>%s</option>',
	315	+ esc_attr( $value ),
	316	+ selected( $selected_option, $value, false ),
	317	+ esc_attr( $label )
	318	+ );
	319	+ }
	320	+ }
	321	+
	322	+ // Iterate through resources, if they exist, building <option> elements.
	323	+ if ( $forms ) {
	324	+ foreach ( $forms as $form ) {
	325	+ // Legacy forms don't include a `format` key, so define them as inline.
	326	+ $html .= sprintf(
	327	+ '<option value="%s"%s>%s [%s]</option>',
	328	+ esc_attr( $form['id'] ),
	329	+ selected( $selected_option, $form['id'], false ),
	330	+ esc_attr( $form['name'] ),
	331	+ ( ! empty( $form['format'] ) ? esc_attr( $form['format'] ) : 'inline' )
	332	+ );
	333	+ }
	334	+ }
	335	+
	336	+ // Close select.
	337	+ $html .= '</select>';
	338	+
	339	+ // If no description is provided, return the select field now.
	340	+ if ( ! $description ) {
	341	+ return $html;
	342	+ }
	343	+
	344	+ // Append description before returning field.
	345	+ if ( ! is_array( $description ) ) {
	346	+ return $html . '<p class="description">' . $description . '</p>';
	347	+ }
	348	+
	349	+ // Return description lines in a paragraph, using breaklines for each description entry in the array.
	350	+ return $html . '<p class="description">' . implode( '<br />', $description ) . '</p>';
	351	+
	352	+ }
	353	+
	354	+ /**
	355	+ * Outputs a <select> field populated with the resources, based on the given parameters.
	356	+ *
	357	+ * @since 2.8.5
	358	+ *
	359	+ * @param array $forms Forms.
	360	+ * @param string $name Name.
	361	+ * @param string $id ID.
	362	+ * @param bool|array $css_classes <select> CSS class(es).
	363	+ * @param string $selected_option <option> value to mark as selected.
	364	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	365	+ * @param bool|array $attributes <select> attributes.
	366	+ * @param bool|string|array $description Description.
	367	+ */
	368	+ private function output_select_field( $forms, $name, $id, $css_classes, $selected_option, $prepend_options = false, $attributes = false, $description = false ) {
	369	+
	370	+ echo wp_kses(
	371	+ $this->get_select_field(
	372	+ $forms,
	373	+ $name,
	374	+ $id,
	375	+ $css_classes,
	376	+ $selected_option,
	377	+ $prepend_options,
	378	+ $attributes,
	379	+ $description
	380	+ ),
	381	+ convertkit_kses_allowed_html()
	382	+ );
	383	+
	384	+ }
	385	+
	386	+ /**
	387	+ * Returns a <select> field populated with the resources, based on the given parameters,
	388	+ * that supports multiple selection.
	389	+ *
	390	+ * @since 2.6.9
	391	+ *
	392	+ * @param array $forms Forms.
	393	+ * @param string $name Name.
	394	+ * @param string $id ID.
	395	+ * @param bool|array $css_classes <select> CSS class(es).
	396	+ * @param array $selected_options <option> values to mark as selected.
	397	+ * @param bool|array $prepend_options <option> elements to prepend before resources.
	398	+ * @param bool|array $attributes <select> attributes.
	399	+ * @param bool|string|array $description Description.
	400	+ * @return string HTML Select Field
	401	+ */
	402	+ private function get_multi_select_field( $forms, $name, $id, $css_classes, $selected_options = array(), $prepend_options = false, $attributes = false, $description = false ) {
	403	+
	404	+ $html = sprintf(
	405	+ '<select name="%s[]" id="%s" class="%s" multiple',
	406	+ esc_attr( $name ),
	407	+ esc_attr( $id ),
	408	+ esc_attr( ( is_array( $css_classes ) ? implode( ' ', $css_classes ) : '' ) )
	409	+ );
	410	+
	411	+ // Append any attributes.
	412	+ if ( $attributes ) {
	413	+ foreach ( $attributes as $key => $value ) {
	414	+ $html .= sprintf(
	415	+ ' %s="%s"',
	416	+ esc_attr( $key ),
	417	+ esc_attr( $value )
	418	+ );
	419	+ }
	420	+ }
	421	+
	422	+ // Close select tag.
	423	+ $html .= '>';
	424	+
	425	+ // If any prepended options exist, add them now.
	426	+ if ( $prepend_options ) {
	427	+ foreach ( $prepend_options as $value => $label ) {
	428	+ $html .= sprintf(
	429	+ '<option value="%s" data-preserve-on-refresh="1"%s>%s</option>',
	430	+ esc_attr( $value ),
	431	+ ( in_array( $value, $selected_options, true ) ? ' selected' : '' ),
	432	+ esc_attr( $label )
	433	+ );
	434	+ }
	435	+ }
	436	+
	437	+ // Iterate through resources, if they exist, building <option> elements.
	438	+ if ( $forms ) {
	439	+ foreach ( $forms as $form ) {
	440	+ // Legacy forms don't include a `format` key, so define them as inline.
	441	+ $html .= sprintf(
	442	+ '<option value="%s"%s>%s [%s]</option>',
	443	+ esc_attr( $form['id'] ),
	444	+ ( in_array( $form['id'], $selected_options, true ) ? ' selected' : '' ),
	445	+ esc_attr( $form['name'] ),
	446	+ ( ! empty( $form['format'] ) ? esc_attr( $form['format'] ) : 'inline' )
	447	+ );
	448	+ }
	449	+ }
	450	+
	451	+ // Close select.
	452	+ $html .= '</select>';
	453	+
	454	+ // If no description is provided, return the select field now.
	455	+ if ( ! $description ) {
	456	+ return $html;
	457	+ }
	458	+
	459	+ // Append description before returning field.
	460	+ if ( ! is_array( $description ) ) {
	461	+ return $html . '<p class="description">' . $description . '</p>';
	462	+ }
	463	+
	464	+ // Return description lines in a paragraph, using breaklines for each description entry in the array.
	465	+ return $html . '<p class="description">' . implode( '<br />', $description ) . '</p>';
	466	+
	467	+ }
	468	+
	469	+ /**
57	470	* Returns the HTML/JS markup for the given Form ID.
58	471	*
59	472	* Legacy Forms will return HTML.
60	473	* Current Forms will return a <script> embed string.
		@@ -60,12 +473,13 @@
60	473	* Current Forms will return a <script> embed string.
61	474	*
62	475	* @since 1.9.6
63	476	*
64		- * @param int $id Form ID.
	477	+ * @param int $id Form ID.
	478	+ * @param int $post_id Post ID that requested the Form.
65	479	* @return WP_Error|string
66	480	*/
67		- public function get_html( $id ) {
	481	+ public function get_html( $id, $post_id = 0 ) {
68	482
69	483	// Cast ID to integer.
70	484	$id = absint( $id );
71	485
		@@ -79,33 +493,42 @@
79	493	return new WP_Error(
80	494	'convertkit_resource_forms_get_html',
81	495	sprintf(
82	496	/* translators: ConvertKit Form ID */
83		- __( 'ConvertKit Form ID %s does not exist on ConvertKit.', 'convertkit' ),
	497	+ __( 'Kit Form ID %s does not exist on Kit.', 'convertkit' ),
84	498	$id
85	499	)
86	500	);
87	501	}
88	502
	503	+ // Initialize Settings.
	504	+ $settings = new ConvertKit_Settings();
	505	+
89	506	// If no uid is present in the Form API data, this is a legacy form that's served by directly fetching the HTML
90		- // from forms.convertkit.com.
	507	+ // from forms.kit.com.
91	508	if ( ! isset( $this->resources[ $id ]['uid'] ) ) {
92		- // Initialize Settings.
93		- $settings = new ConvertKit_Settings();
94		-
95		- // Bail if no API Key is specified in the Plugin Settings.
96		- if ( ! $settings->has_api_key() ) {
	509	+ // Bail if no Access Token is specified in the Plugin Settings.
	510	+ if ( ! $settings->has_access_token() ) {
97	511	return new WP_Error(
98	512	'convertkit_resource_forms_get_html',
99		- __( 'ConvertKit Legacy Form could not be fetched as no API Key specified in Plugin Settings', 'convertkit' )
	513	+ __( 'Kit Legacy Form could not be fetched as no Access Token specified in Plugin Settings', 'convertkit' )
100	514	);
101	515	}
102	516
103	517	// Initialize the API.
104		- $api = new ConvertKit_API( $settings->get_api_key(), $settings->get_api_secret(), $settings->debug_enabled(), 'output_form' );
	518	+ $api = new ConvertKit_API_V4(
	519	+ CONVERTKIT_OAUTH_CLIENT_ID,
	520	+ CONVERTKIT_OAUTH_CLIENT_REDIRECT_URI,
	521	+ $settings->get_access_token(),
	522	+ $settings->get_refresh_token(),
	523	+ $settings->debug_enabled(),
	524	+ 'output_form'
	525	+ );
105	526
106	527	// Return Legacy Form HTML.
107		- return $api->get_form_html( $id );
	528	+ // We now call get_html() with the `embed_url` property, instead of get_form_html() with the `id` property,
	529	+ // because `embed_url` includes the API Key.
	530	+ return $api->get_html( $this->resources[ $id ]['embed_url'] );
108	531	}
109	532
110	533	// If the form's format is not an inline form, add the inline script before the closing </body> tag.
111	534	// This prevents a modal form's overlay being constrained by the WordPress Theme's styles,
		@@ -113,27 +536,96 @@
113	536	// displaying twice.
114	537	if ( $this->resources[ $id ]['format'] !== 'inline' ) {
115	538	add_filter(
116	539	'convertkit_output_scripts_footer',
117		- function( $scripts ) use ( $id ) {
	540	+ function ( $scripts ) use ( $id, $post_id, $settings ) {
118	541
119		- $scripts[] = array(
120		- 'async' => true,
121		- 'data-uid' => $this->resources[ $id ]['uid'],
122		- 'src' => $this->resources[ $id ]['embed_js'],
	542	+ // Build script.
	543	+ $script = array(
	544	+ 'async' => true,
	545	+ 'data-uid' => $this->resources[ $id ]['uid'],
	546	+ 'src' => $this->resources[ $id ]['embed_js'],
	547	+ 'data-kit-limit-per-session' => $settings->non_inline_form_limit_per_session() ? '1' : '0',
123	548	);
124	549
	550	+ // If debugging is enabled, add the post ID to the script.
	551	+ if ( $settings->debug_enabled() ) {
	552	+ $script['data-kit-source-post-id'] = $post_id;
	553	+ }
	554	+
	555	+ // Add the script to the scripts array.
	556	+ $scripts[] = $script;
	557	+
125	558	return $scripts;
126	559
127	560	}
128	561	);
129	562
	563	+ // Sanity check we're not in the WordPress Admin interface.
	564	+ // Some third party REST API Plugins seem to load frontend Posts, which would result in a wp_die() as
	565	+ // the output Plugin class (rightly) isn't initialized in the backend.
	566	+ if ( is_admin() ) {
	567	+ return '';
	568	+ }
	569	+
	570	+ // Don't output the global non-inline form, if defined, because
	571	+ // a non-inline form was specified at either Post/Page default level, Post/Page level
	572	+ // or Post Category level.
	573	+ // This prevents multiple non-inline forms loading.
	574	+ remove_action( 'wp_footer', array( WP_ConvertKit()->get_class( 'output' ), 'output_global_non_inline_form' ), 1 );
	575	+
130	576	// Don't return a script for output, as it'll be output in the site's footer.
131	577	return '';
132	578	}
133	579
134	580	// If here, return Form <script> embed now, as we want the inline form to display at this specific point of the content.
135		- return '<script async data-uid="' . esc_attr( $this->resources[ $id ]['uid'] ) . '" src="' . esc_url( $this->resources[ $id ]['embed_js'] ) . '"></script>';
	581	+
	582	+ // Define script key-value pairs.
	583	+ $script = array(
	584	+ 'async' => true,
	585	+ 'data-uid' => $this->resources[ $id ]['uid'],
	586	+ 'src' => $this->resources[ $id ]['embed_js'],
	587	+ );
	588	+
	589	+ // If debugging is enabled, add the post ID to the script.
	590	+ if ( $settings->debug_enabled() ) {
	591	+ $script['data-kit-source-post-id'] = $post_id;
	592	+ }
	593	+
	594	+ /**
	595	+ * Filter the form <script> key/value pairs immediately before the script is output.
	596	+ *
	597	+ * @since 2.4.5
	598	+ *
	599	+ * @param array $script Form script key/value pairs to output as <script> tag.
	600	+ */
	601	+ $script = apply_filters( 'convertkit_resource_forms_output_script', $script );
	602	+
	603	+ // Build script output.
	604	+ $output = '<script';
	605	+ foreach ( $script as $attribute => $value ) {
	606	+ // If the value is true, just output the attribute.
	607	+ if ( $value === true ) {
	608	+ $output .= ' ' . esc_attr( $attribute );
	609	+ continue;
	610	+ }
	611	+
	612	+ // Sanitize attribute and value.
	613	+ $attribute = esc_attr( $attribute );
	614	+ $value = ( $attribute === 'src' ? esc_url( $value ) : esc_attr( $value ) );
	615	+
	616	+ // Output the attribute and value.
	617	+ $output .= ' ' . $attribute;
	618	+
	619	+ // Output the value, if it's not a blank string.
	620	+ if ( strlen( $value ) > 0 ) {
	621	+ $output .= '="' . $value . '"';
	622	+ }
	623	+ }
	624	+ $output .= '></script>';
	625	+
	626	+ // Return script output.
	627	+ return $output;
136	628
137	629	}
138	630
139	631	}