class-give-gravatars.php — GiveWP – Donation Plugin and Fundraising Platform 2.1.2

give / includes / class-give-gravatars.php

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class-give-gravatars.php

552 lines

1	<?php
2	/**
3	* Donors Gravatars
4	*
5	* @package Give
6	* @subpackage Classes/Give_Donors_Gravatars
7	* @copyright Copyright (c) 2016, WordImpress
8	* @license https://opensource.org/licenses/gpl-license GNU Public License
9	* @since 1.0
10	*/
11
12	// Exit if accessed directly.
13	if ( ! defined( 'ABSPATH' ) ) {
14	exit;
15	}
16
17	/**
18	* Give_Donors_Gravatars Class
19	*
20	* This class handles donors gravatars.
21	*
22	* @since 1.0
23	*/
24	class Give_Donors_Gravatars {
25
26	/**
27	* Class Constructor
28	*
29	* Set up the Give Donors Gravatars Class.
30	*
31	* @since 1.0
32	* @access public
33	*/
34	public function __construct() {
35	$this->setup_actions();
36	}
37
38	/**
39	* Setup the default hooks and actions
40	*
41	* @since 1.0
42	* @access private
43	*
44	* @return void
45	*/
46	private function setup_actions() {
47	// add_action( 'widgets_init', array( $this, 'register_widget' ) );
48	// add_shortcode( 'give_donors_gravatars', array( $this, 'shortcode' ) );
49	// add_filter( 'give_settings_display', array( $this, 'settings' ) );
50	// do_action( 'give_donors_gravatars_setup_actions' );
51	}
52
53	/**
54	* Utility function to check if a gravatar exists for a given email or id
55	*
56	* @see: https://gist.github.com/justinph/5197810
57	*
58	* @since 1.0
59	* @access public
60	*
61	* @param int\|string\|object $id_or_email A user ID, email address, or comment object
62	*
63	* @return bool If the gravatar exists or not
64	*/
65	public function validate_gravatar( $id_or_email ) {
66	//id or email code borrowed from wp-includes/pluggable.php
67	$email = '';
68	if ( is_numeric( $id_or_email ) ) {
69	$id = (int) $id_or_email;
70	$user = get_userdata( $id );
71	if ( $user ) {
72	$email = $user->user_email;
73	}
74	} elseif ( is_object( $id_or_email ) ) {
75	// No avatar for pingbacks or trackbacks
76	$allowed_comment_types = apply_filters( 'get_avatar_comment_types', array( 'comment' ) );
77	if ( ! empty( $id_or_email->comment_type ) && ! in_array( $id_or_email->comment_type, (array) $allowed_comment_types ) ) {
78	return false;
79	}
80
81	if ( ! empty( $id_or_email->user_id ) ) {
82	$id = (int) $id_or_email->user_id;
83	$user = get_userdata( $id );
84	if ( $user ) {
85	$email = $user->user_email;
86	}
87	} elseif ( ! empty( $id_or_email->comment_author_email ) ) {
88	$email = $id_or_email->comment_author_email;
89	}
90	} else {
91	$email = $id_or_email;
92	}
93
94	$hashkey = md5( strtolower( trim( $email ) ) );
95	$uri = 'http://www.gravatar.com/avatar/' . $hashkey . '?d=404';
96
97	$data = Give_Cache::get_group( $hashkey );
98
99	if ( is_null( $data ) ) {
100	$response = wp_remote_head( $uri );
101	if ( is_wp_error( $response ) ) {
102	$data = 'not200';
103	} else {
104	$data = $response['response']['code'];
105	}
106	Give_Cache::set_group( $hashkey, $data, $group = '', $expire = 60 * 5 );
107
108	}
109	if ( $data == '200' ) {
110	return true;
111	} else {
112	return false;
113	}
114	}
115
116	/**
117	* Get an array of all the log IDs using the Give Logging Class
118	*
119	* @since 1.0
120	* @access public
121	*
122	* @param int $form_id Donation form id
123	*
124	* @return array IDs if logs, false otherwise
125	*/
126	public function get_log_ids( $form_id = '' ) {
127	// get log for this form
128	$logs = Give()->logs->get_logs( $form_id );
129
130	if ( $logs ) {
131	$log_ids = array();
132
133	// make an array with all the donor IDs
134	foreach ( $logs as $log ) {
135	$log_ids[] = $log->ID;
136	}
137
138	return $log_ids;
139	}
140
141	return null;
142
143	}
144
145	/**
146	* Get payment ID
147	*
148	* @since 1.0
149	* @access public
150	*
151	* @param int $form_id Donation form id
152	*
153	* @return mixed
154	*/
155	public function get_payment_ids( $form_id = '' ) {
156
157	$give_options = give_get_settings();
158
159	$log_ids = $this->get_log_ids( $form_id );
160
161	if ( $log_ids ) {
162
163	$payment_ids = array();
164
165	foreach ( $log_ids as $id ) {
166	// get the payment ID for each corresponding log ID
167	$payment_ids[] = give_get_meta( $id, '_give_log_payment_id', true );
168	}
169
170	// remove donors who have donated more than once so we can have unique avatars
171	$unique_emails = array();
172
173	foreach ( $payment_ids as $key => $id ) {
174
175	$email = give_get_meta( $id, '_give_payment_donor_email', true );
176
177	if ( isset ( $give_options['give_donors_gravatars_has_gravatar_account'] ) ) {
178	if ( ! $this->validate_gravatar( $email ) ) {
179	continue;
180	}
181	}
182
183	$unique_emails[ $id ] = give_get_meta( $id, '_give_payment_donor_email', true );
184
185	}
186
187	$unique_ids = array();
188
189	// strip duplicate emails
190	$unique_emails = array_unique( $unique_emails );
191
192	// convert the unique IDs back into simple array
193	foreach ( $unique_emails as $id => $email ) {
194	$unique_ids[] = $id;
195	}
196
197	// randomize the payment IDs if enabled
198	if ( isset( $give_options['give_donors_gravatars_random_gravatars'] ) ) {
199	shuffle( $unique_ids );
200	}
201
202	// return our unique IDs
203	return $unique_ids;
204
205	}
206
207	}
208
209	/**
210	* Gravatars
211	*
212	* @since 1.0
213	* @access public
214	*
215	* @param int $form_id Donation form id.
216	* @param string $title Donors gravatars title.
217	*
218	* @return string
219	*/
220	public function gravatars( $form_id = false, $title = '' ) {
221
222	// unique $payment_ids
223	$payment_ids = $this->get_payment_ids( $form_id );
224
225	$give_options = give_get_settings();
226
227	// return if no ID
228	if ( ! $form_id ) {
229	return;
230	}
231
232	// minimum amount of donations before showing gravatars
233	// if the number of items in array is not greater or equal to the number specified, then exit
234	if ( isset( $give_options['give_donors_gravatars_min_purchases_required'] ) && '' != $give_options['give_donors_gravatars_min_purchases_required'] ) {
235	if ( ! ( count( $payment_ids ) >= $give_options['give_donors_gravatars_min_purchases_required'] ) ) {
236	return;
237	}
238	}
239
240	ob_start();
241
242	$output = '';
243	echo '<div id="give-purchase-gravatars">';
244
245
246	if ( isset ( $title ) ) {
247
248	if ( $title ) {
249	echo wp_kses_post( apply_filters( 'give_donors_gravatars_title', '<h3 class="give-gravatars-title">' . esc_attr( $title ) . '</h3>' ) );
250	} elseif ( isset( $give_options['give_donors_gravatars_heading'] ) ) {
251	echo wp_kses_post( apply_filters( 'give_donors_gravatars_title', '<h3 class="give-gravatars-title">' . esc_attr( $give_options['give_donors_gravatars_heading'] ) . '</h2>' ) );
252	}
253
254	}
255	echo '<ul class="give-purchase-gravatars-list">';
256	$i = 0;
257
258	if ( $payment_ids ) {
259	foreach ( $payment_ids as $id ) {
260
261	// Give saves a blank option even when the control is turned off, hence the extra check
262	if ( isset( $give_options['give_donors_gravatars_maximum_number'] ) && '' != $give_options['give_donors_gravatars_maximum_number'] && $i == $give_options['give_donors_gravatars_maximum_number'] ) {
263	continue;
264	}
265
266	// get the payment meta
267	$payment_meta = give_get_meta( $id, '_give_payment_meta', true );
268
269	$user_info = $payment_meta['user_info'];
270
271	// get donor's first name
272	$name = $user_info['first_name'];
273
274	// get donor's email
275	$email = give_get_meta( $id, '_give_payment_donor_email', true );
276
277	// set gravatar size and provide filter
278	$size = isset( $give_options['give_donors_gravatars_gravatar_size'] ) ? apply_filters( 'give_donors_gravatars_gravatar_size', $give_options['give_donors_gravatars_gravatar_size'] ) : '';
279
280	// default image
281	$default_image = apply_filters( 'give_donors_gravatars_gravatar_default_image', false );
282
283	// assemble output
284	$output .= '<li>';
285
286	$output .= get_avatar( $email, $size, $default_image, $name );
287	$output .= '</li>';
288
289	$i ++;
290
291	} // end foreach
292	}
293
294	echo wp_kses_post( $output );
295	echo '</ul>';
296	echo '</div>';
297
298	return apply_filters( 'give_donors_gravatars', ob_get_clean() );
299	}
300
301	/**
302	* Register widget
303	*
304	* @since 1.0
305	* @access public
306	*
307	* @return void
308	*/
309	public function register_widget() {
310	register_widget( 'Give_Donors_Gravatars_Widget' );
311	}
312
313	/**
314	* Shortcode
315	*
316	* @since 1.0
317	* @access public
318	*
319	* @param array $atts Shortcode attribures.
320	* @param string $content Shortcode content.
321	*
322	* @return string
323	*/
324	public function shortcode( $atts, $content = null ) {
325
326	$atts = shortcode_atts( array(
327	'id' => '',
328	'title' => ''
329	), $atts, 'give_donors_gravatars' );
330
331	// if no ID is passed on single give_forms pages, get the correct ID
332	if ( is_singular( 'give_forms' ) ) {
333	$id = get_the_ID();
334	}
335
336	$content = $this->gravatars( $atts['id'], $atts['title'] );
337
338	return $content;
339
340	}
341
342	/**
343	* Settings
344	*
345	* @since 1.0
346	* @access public
347	*
348	* @param array $settings Gravatar settings.
349	*
350	* @return array Gravatar settings.
351	*/
352	public function settings( $settings ) {
353
354	$give_gravatar_settings = array(
355	array(
356	'name' => esc_html__( 'Donator Gravatars', 'give' ),
357	'desc' => '<hr>',
358	'id' => 'give_title',
359	'type' => 'give_title'
360	),
361	array(
362	'name' => esc_html__( 'Heading', 'give' ),
363	'desc' => esc_html__( 'The heading to display above the Gravatars.', 'give' ),
364	'type' => 'text',
365	'id' => 'give_donors_gravatars_heading'
366	),
367	array(
368	'name' => esc_html__( 'Gravatar Size', 'give' ),
369	'desc' => esc_html__( 'The size of each Gravatar in pixels (512px maximum).', 'give' ),
370	'type' => 'text_small',
371	'id' => 'give_donors_gravatars_gravatar_size',
372	'default' => '64'
373	),
374	array(
375	'name' => esc_html__( 'Minimum Unique Donations Required', 'give' ),
376	'desc' => esc_html__( 'The minimum number of unique donations a form must have before the Gravatars are shown. Leave blank for no minimum.', 'give' ),
377	'type' => 'text_small',
378	'id' => 'give_donors_gravatars_min_purchases_required',
379	),
380	array(
381	'name' => esc_html__( 'Maximum Gravatars To Show', 'give' ),
382	'desc' => esc_html__( 'The maximum number of gravatars to show. Leave blank for no limit.', 'give' ),
383	'type' => 'text',
384	'id' => 'give_donors_gravatars_maximum_number',
385	'default' => '20',
386	),
387	array(
388	'name' => esc_html__( 'Gravatar Visibility', 'give' ),
389	'desc' => esc_html__( 'Show only donors with a Gravatar account.', 'give' ),
390	'id' => 'give_donors_gravatars_has_gravatar_account',
391	'type' => 'checkbox',
392	),
393	array(
394	'name' => esc_html__( 'Randomize Gravatars', 'give' ),
395	'desc' => esc_html__( 'Randomize the Gravatars.', 'give' ),
396	'id' => 'give_donors_gravatars_random_gravatars',
397	'type' => 'checkbox',
398	),
399	);
400
401	return array_merge( $settings, $give_gravatar_settings );
402	}
403
404	}
405
406
407	/**
408	* Give_Donors_Gravatars_Widget Class
409	*
410	* This class handles donors gravatars
411	*
412	* @since 1.0
413	*/
414	class Give_Donors_Gravatars_Widget extends WP_Widget {
415
416	/**
417	* Widget constructor
418	*
419	* @since 1.0
420	* @access public
421	*/
422	public function __construct() {
423
424	// widget settings
425	$widget_ops = array(
426	'classname' => 'give-donors-gravatars',
427	'description' => esc_html__( 'Displays gravatars of people who have donated using your your form. Will only show on the single form page.', 'give' ),
428	);
429
430	// widget control settings
431	$control_ops = array(
432	'width' => 250,
433	'height' => 350,
434	'id_base' => 'give_gravatars_widget'
435	);
436
437	// create the widget
438	parent::__construct(
439	'give_donors_gravatars_widget',
440	esc_html__( 'Give Donors Gravatars', 'give' ),
441	$widget_ops,
442	$control_ops
443	);
444
445	}
446
447	/**
448	* Donors gravatars widget content
449	*
450	* Outputs the content of the widget
451	*
452	* @since 1.0
453	* @access public
454	*
455	* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
456	* @param array $instance Settings for the current Links widget instance.
457	*
458	* @return void
459	*/
460	public function widget( $args, $instance ) {
461
462	$defaults = array(
463	'before_widget' => '',
464	'after_widget' => '',
465	'before_title' => '',
466	'after_title' => '',
467	);
468
469	$args = wp_parse_args( $args, $defaults );
470
471	if ( ! is_singular( 'give_forms' ) ) {
472	return;
473	}
474
475	// Variables from widget settings
476	$title = apply_filters( 'widget_title', $instance['title'] );
477
478	$output = '';
479
480	// Used by themes. Opens the widget
481	$output .= $args['before_widget'];
482
483	// Display the widget title
484	if ( $title ) {
485	$output .= $args['before_title'] . $title . $args['after_title'];
486	}
487
488	$gravatars = new Give_Donors_Gravatars();
489
490	$output .= $gravatars->gravatars( get_the_ID(), null ); // remove title
491
492	// Used by themes. Closes the widget
493	$output .= $args['after_widget'];
494
495	echo wp_kses_post( $output );
496	}
497
498	/**
499	* Update donors gravatars
500	*
501	* Processes widget options to be saved.
502	*
503	* @since 1.0
504	* @access public
505	*
506	* @param array $new_instance New settings for this instance as input by the user via WP_Widget::form().
507	* @param array $old_instance Old settings for this instance.
508	*
509	* @return array Updated settings to save.
510	*/
511	public function update( $new_instance, $old_instance ) {
512
513	$instance = $old_instance;
514
515	$instance['title'] = wp_strip_all_tags( $new_instance['title'] );
516
517	return $instance;
518
519	}
520
521	/**
522	* Output donors gravatars
523	*
524	* Displays the actual form on the widget page.
525	*
526	* @since 1.0
527	* @access public
528	*
529	* @param array $instance Current settings.
530	*
531	* @return void
532	*/
533	public function form( $instance ) {
534
535	// Set up some default widget settings.
536	$defaults = array(
537	'title' => '',
538	);
539
540	$instance = wp_parse_args( (array) $instance, $defaults ); ?>
541
542	<!-- Title -->
543	<p>
544	<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php esc_html_e( 'Title:', 'give' ) ?></label>
545	<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $instance['title'] ); ?>" />
546	</p>
547
548	<?php
549	}
550
551	}
552