charitable / includes / ajax / charitable-ajax-functions.php

charitable-ajax-functions.php in Charitable – Donation & Fundraising Platform (Donation Forms, Recurring Donations & Fundraising Campaigns) 1.6.8, at includes/ajax/charitable-ajax-functions.php

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1	<?php
2	/**
3	* Charitable AJAX Functions.
4	*
5	* Functions used with ajax hooks.
6	*
7	* @package Charitable/Functions/AJAX
8	* @version 1.2.3
9	* @author Eric Daams
10	* @copyright Copyright (c) 2019, Studio 164a
11	* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
12	*/
13
14	// Exit if accessed directly.
15	if ( ! defined( 'ABSPATH' ) ) { exit; }
16
17	if ( ! function_exists( 'charitable_ajax_get_donation_form' ) ) :
18
19	/**
20	* Returns the donation form content for a particular campaign, through AJAX.
21	*
22	* @since 1.2.3
23	*
24	* @return void
25	*/
26	function charitable_ajax_get_donation_form() {
27	if ( ! isset( $_POST['campaign_id'] ) ) {
28	wp_send_json_error();
29	}
30
31	/* Load the template files. */
32	require_once( charitable()->get_path( 'includes' ) . 'public/charitable-template-functions.php' );
33	require_once( charitable()->get_path( 'includes' ) . 'public/charitable-template-hooks.php' );
34
35	$campaign = new Charitable_Campaign( $_POST['campaign_id'] );
36
37	ob_start();
38
39	$campaign->get_donation_form()->render();
40
41	$output = ob_get_clean();
42
43	wp_send_json_success( $output );
44
45	die();
46	}
47
48	endif;
49
50	if ( ! function_exists( 'charitable_plupload_image_upload' ) ) :
51
52	/**
53	* Upload an image via plupload.
54	*
55	* @return void
56	*/
57	function charitable_plupload_image_upload() {
58	$post_id = (int) filter_input( INPUT_POST, 'post_id', FILTER_SANITIZE_NUMBER_INT );
59	$field_id = (string) filter_input( INPUT_POST, 'field_id' );
60
61	check_ajax_referer( 'charitable-upload-images-' . $field_id );
62
63	$file = $_FILES['async-upload'];
64	$file_attr = wp_handle_upload( $file, array( 'test_form' => false ) );
65
66	if ( isset( $file_attr['error'] ) ) {
67	wp_send_json_error( $file_attr );
68	}
69
70	$attachment = array(
71	'guid' => $file_attr['url'],
72	'post_mime_type' => $file_attr['type'],
73	'post_title' => preg_replace( '/\.[^.]+$/', '', basename( $file['name'] ) ),
74	'post_content' => '',
75	'post_status' => 'inherit',
76	);
77
78	/**
79	* Insert the file as an attachment.
80	*/
81	$attachment_id = wp_insert_attachment( $attachment, $file_attr['file'], $post_id );
82
83	if ( is_wp_error( $attachment_id ) ) {
84	wp_send_json_error();
85	}
86
87	wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file_attr['file'] ) );
88
89	$size = (string) filter_input( INPUT_POST, 'size' );
90	$max_uploads = (int) filter_input( INPUT_POST, 'max_uploads', FILTER_SANITIZE_NUMBER_INT );
91
92	if ( ! $size ) {
93	$size = 'thumbnail';
94	}
95
96	ob_start();
97
98	charitable_template( 'form-fields/picture-preview.php', array(
99	'image' => $attachment_id,
100	'field' => array(
101	'key' => $field_id,
102	'size' => $size,
103	'max_uploads' => $max_uploads,
104	),
105	) );
106
107	wp_send_json_success( ob_get_clean() );
108	}
109
110	endif;
111
112	/**
113	* Receives an AJAX request to load session content and returns
114	* the output to be loaded.
115	*
116	* @since 1.5.0
117	*
118	* @return void
119	*/
120	function charitable_ajax_get_session_content() {
121	if ( ! array_key_exists( 'templates', $_POST ) ) {
122	wp_send_json_error( __( 'Missing templates in request.', 'charitable' ) );
123	}
124
125	$output = array();
126
127	foreach ( $_POST['templates'] as $i => $template_args ) {
128	if ( empty( $template_args ) \|\| ! array_key_exists( 'template', $template_args ) ) {
129	continue;
130	}
131
132	/**
133	* Get the output for the session content item.
134	*
135	* @since 1.5.0
136	*
137	* @param false\|string $content The content to return, or a false in case of failure.
138	* @param array $args Mixed set of arguments.
139	*/
140	$output[ $i ] = apply_filters( 'charitable_session_content_' . $template_args['template'], false, $template_args );
141	}
142
143	wp_send_json_success( $output );
144	}
145
146	/**
147	* Return the donation receipt.
148	*
149	* @since 1.5.0
150	*
151	* @param string\|false $content Content to return, or false in case of failure.
152	* @param array $args Mixed array of args.
153	* @return string\|false
154	*/
155	function charitable_ajax_get_session_donation_receipt( $content, $args ) {
156	if ( ! array_key_exists( 'donation_id', $args ) ) {
157	return $content;
158	}
159
160	$donation = charitable_get_donation( $args['donation_id'] );
161
162	if ( ! $donation ) {
163	return $content;
164	}
165
166	return charitable_template_donation_receipt_output( '', $donation );
167	}
168
169	/**
170	* Return the donation form's amount field.
171	*
172	* @since 1.5.0
173	*
174	* @param string\|false $content Content to return, or false in case of failure.
175	* @param array $args Mixed array of args.
176	* @return string\|false
177	*/
178	function charitable_ajax_get_session_donation_form_amount_field( $content, $args ) {
179	if ( ! array_key_exists( 'campaign_id', $args ) ) {
180	return $content;
181	}
182
183	if ( ! array_key_exists( 'form_id', $args ) ) {
184	return $content;
185	}
186
187	ob_start();
188
189	charitable_template( 'donation-form/donation-amount-list.php',
190	array(
191	'campaign' => charitable_get_campaign( $args['campaign_id'] ),
192	'form_id' => $args['form_id'],
193	)
194	);
195
196	return ob_get_clean();
197	}
198
199	/**
200	* Return the donation form's amount field.
201	*
202	* @since 1.5.0
203	*
204	* @param string\|false $content Content to return, or false in case of failure.
205	* @param array $args Mixed array of args.
206	* @return string\|false
207	*/
208	function charitable_ajax_get_session_donation_form_current_amount_text( $content, $args ) {
209	if ( ! array_key_exists( 'campaign_id', $args ) ) {
210	return $content;
211	}
212
213	if ( ! array_key_exists( 'form_id', $args ) ) {
214	return $content;
215	}
216
217	$amount = charitable_get_campaign( $args['campaign_id'] )->get_donation_amount_in_session();
218
219	return charitable_template_donation_form_current_amount_text( $amount, $args['form_id'], $args['campaign_id'] );
220	}
221
222	/**
223	* Return the error messages.
224	*
225	* @since 1.5.0
226	*
227	* @param string\|false $content Content to return, or false in case of failure.
228	* @return string\|false
229	*/
230	function charitable_ajax_get_session_errors( $content ) {
231	$errors = charitable_get_notices()->get_errors();
232
233	if ( empty( $errors ) ) {
234	return $content;
235	}
236
237	ob_start();
238
239	charitable_template( 'form-fields/errors.php', array(
240	'errors' => $errors,
241	) );
242
243	return ob_get_clean();
244	}
245
246	/**
247	* Return the notices
248	*
249	* @since 1.5.0
250	*
251	* @param string\|false $content Content to return, or false in case of failure.
252	* @return string\|false
253	*/
254	function charitable_ajax_get_session_notices( $content ) {
255	$notices = charitable_get_notices()->get_notices();
256
257	if ( empty( $notices ) ) {
258	return $content;
259	}
260
261	ob_start();
262
263	charitable_template( 'form-fields/notices.php', array(
264	'notices' => $notices,
265	) );
266
267	return ob_get_clean();
268	}
269