supportcandy / includes / admin / tickets / widgets / class-wpsc-itw-agent-collision.php

class-wpsc-itw-agent-collision.php in SupportCandy – AI Customer Support Ticket System & Live Chatbot Agent 3.5.2, at includes/admin/tickets/widgets/class-wpsc-itw-agent-collision.php

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1	<?php
2
3	if ( ! defined( 'ABSPATH' ) ) {
4	exit; // Exit if accessed directly!
5	}
6
7	if ( ! class_exists( 'WPSC_ITW_Agent_Collision' ) ) :
8
9	final class WPSC_ITW_Agent_Collision {
10
11	/**
12	* Initialization
13	*
14	* @return void
15	*/
16	public static function init() {
17
18	// agent collision.
19	add_action( 'wp_ajax_wpsc_check_live_agents', array( __CLASS__, 'check_live_agents' ) );
20	add_action( 'wp_ajax_nopriv_wpsc_check_live_agents', array( __CLASS__, 'check_live_agents' ) );
21
22	// edit widget settings.
23	add_action( 'wp_ajax_wpsc_get_tw_agent_collision', array( __CLASS__, 'get_tw_agent_collision' ) );
24	add_action( 'wp_ajax_wpsc_set_tw_agent_collision', array( __CLASS__, 'set_tw_agent_collision' ) );
25
26	add_action( 'wpsc_it_layout_section', array( __CLASS__, 'print_agent_collision_scripts' ) );
27	}
28
29	/**
30	* Print body of current widget
31	*
32	* @param WPSC_Ticket $ticket - ticket object.
33	* @param array $settings - setting array.
34	* @return void
35	*/
36	public static function print_widget( $ticket, $settings ) {
37
38	$current_user = WPSC_Current_User::$current_user;
39	$ms_advanced = get_option( 'wpsc-ms-advanced-settings' );
40
41	if (
42	! $current_user->is_agent \|\|
43	! $ms_advanced['agent-collision'] \|\|
44	WPSC_Individual_Ticket::$view_profile !== 'agent'
45	) {
46	return;
47	}
48
49	WPSC_Individual_Ticket::$ticket = $ticket;
50	if ( WPSC_Individual_Ticket::$is_restricted ) {
51	return;
52	}
53
54	$title = $settings['title']
55	? WPSC_Translations::get( 'wpsc-twt-agent-collision', stripslashes( $settings['title'] ) )
56	: stripslashes( $settings['title'] );
57	$no_agent_html = '<div class="wpsc-no-agents">No live agent found</div>';
58	?>
59	<div class="wpsc-it-widget wpsc-itw-ac">
60	<div class="wpsc-widget-header">
61	<h2><?php echo esc_html( $title ); ?></h2>
62	<span class="wpsc-itw-toggle" data-widget="wpsc-itw-ac"><?php WPSC_Icons::get( 'chevron-up' ); ?></span>
63	</div>
64	<div class="wpsc-widget-body" style="max-height: 100px;">
65	<div class="wpsc-widget-default">
66	<div class="wpsc-agent-collision">
67	<div class="wpsc-live-agents"></div>
68	</div>
69	</div>
70	</div>
71	</div>
72	<?php
73	}
74
75	/**
76	* Print necessary scripts for agent collision widget
77	*
78	* @param WPSC_Ticket $ticket - ticket object.
79	* @return void
80	*/
81	public static function print_agent_collision_scripts( $ticket ) {
82	$current_user = WPSC_Current_User::$current_user;
83	if ( ! $current_user->is_agent ) {
84	return;
85	}
86	?>
87	<script>
88	supportcandy.agent_collision = true;
89	wpsc_get_live_agents(<?php echo intval( $current_user->agent->id ); ?>, <?php echo intval( $ticket->id ); ?>);
90	function wpsc_get_live_agents(agent_id, ticket_id){
91
92	// ALWAYS re-select DOM (important)
93	let container = jQuery('.wpsc-live-agents');
94	let parent = jQuery('.wpsc-agent-collision');
95
96	var current_tid = jQuery('#wpsc-current-ticket').val();
97	if (current_tid != ticket_id){
98	schedule_next(agent_id, ticket_id);
99	return;
100	}
101
102	const urlParams = new URLSearchParams(window.location.search);
103	let section = supportcandy.is_frontend === '0'
104	? urlParams.get('section')
105	: urlParams.get('wpsc-section');
106
107	if (!(section == 'ticket-list' && (urlParams.has('id') \|\| urlParams.has('ticket-id')))){
108	schedule_next(agent_id, ticket_id);
109	return;
110	}
111
112	var data = {
113	action: 'wpsc_check_live_agents',
114	agent_id,
115	ticket_id,
116	operation: 'check',
117	_ajax_nonce: supportcandy.nonce
118	};
119
120	jQuery.post(supportcandy.ajax_url, data, function (response) {
121	if (response && response.agents){
122	if (container.html() !== response.agents){
123	container.html(response.agents);
124	}
125	parent.stop(true, true).fadeIn(200);
126	} else {
127
128	let noAgentHTML = '<div class="wpsc-no-agents"><?php echo esc_attr__( 'No live agent found', 'supportcandy' ); ?></div>';
129	if (container.html() !== noAgentHTML){
130	container.html(noAgentHTML);
131	}
132	parent.stop(true, true).fadeIn(200);
133	}
134	});
135	schedule_next(agent_id, ticket_id);
136	}
137
138	// Keep polling simple & reliable
139	function schedule_next(agent_id, ticket_id){
140	setTimeout(function(){
141	wpsc_get_live_agents(agent_id, ticket_id);
142	}, 60000);
143	}
144
145	jQuery(document).ready(function(){
146	window.addEventListener('beforeunload', function () {
147	const urlParams = new URLSearchParams(window.location.search);
148
149	// Determine section
150	let section = supportcandy.is_frontend === '0'
151	? urlParams.get('section')
152	: urlParams.get('wpsc-section');
153
154	// Only trigger if we are on the ticket detail page
155	if (!(section === 'ticket-list' && (urlParams.has('id') \|\| urlParams.has('ticket-id')))) {
156	return;
157	}
158
159	// Prepare data
160	const data = new FormData();
161	data.append('action', 'wpsc_check_live_agents');
162	data.append('agent_id', '<?php echo intval( $current_user->agent->id ); ?>');
163	data.append('ticket_id', '<?php echo intval( $ticket->id ); ?>');
164	data.append('operation', 'leave');
165	data.append('_ajax_nonce', supportcandy.nonce);
166
167	// Send reliably on tab close
168	navigator.sendBeacon(supportcandy.ajax_url, data);
169	});
170	});
171	</script>
172	<?php
173	}
174
175	/**
176	* Get list of live agents.
177	*
178	* @return void
179	*/
180	public static function check_live_agents() {
181
182	if ( check_ajax_referer( 'general', '_ajax_nonce', false ) != 1 ) {
183	wp_send_json_error( 'Unauthorized request!', 401 );
184	}
185
186	$current_user = WPSC_Current_User::$current_user;
187	$ms_advanced = get_option( 'wpsc-ms-advanced-settings' );
188	if ( ! ( $current_user->is_agent && $ms_advanced['agent-collision'] ) ) {
189	wp_send_json_error( new WP_Error( '001', 'Unauthorized!' ), 401 );
190	}
191
192	$id = isset( $_POST['ticket_id'] ) ? intval( $_POST['ticket_id'] ) : 0; // phpcs:ignore
193	if ( ! $id ) {
194	wp_send_json_error( new WP_Error( '001', 'Unauthorized!' ), 401 );
195	}
196
197	// Always use the authenticated user's agent ID, not the request's agent_id.
198	if ( ! isset( $current_user->agent ) \|\| ! $current_user->agent->id ) {
199	wp_send_json_error( new WP_Error( '001', 'Unauthorized!' ), 401 );
200	}
201
202	// If agent_id is present in the request, it must match the authenticated user's agent ID.
203	if ( isset( $_POST['agent_id'] ) && intval( $_POST['agent_id'] ) !== intval( $current_user->agent->id ) ) {
204	wp_send_json_error( new WP_Error( '004', 'Agent ID mismatch!' ), 401 );
205	}
206
207	$agent_id = intval( $current_user->agent->id );
208	$agent = new WPSC_Agent( $agent_id );
209	if ( ! $agent->id ) {
210	wp_send_json_error( new WP_Error( '002', 'Something went wrong!' ), 400 );
211	}
212
213	$ticket = new WPSC_Ticket( $id );
214	if ( ! $ticket->id ) {
215	wp_send_json_error( new WP_Error( '002', 'Something went wrong!' ), 400 );
216	}
217
218	WPSC_Individual_Ticket::$ticket = $ticket;
219	if ( ! WPSC_Individual_Ticket::has_ticket_cap( 'view' ) ) {
220	wp_send_json_error( new WP_Error( '003', 'Unauthorized!' ), 401 );
221	}
222
223	$operation = isset( $_POST['operation'] ) ? esc_attr( $_POST['operation'] ) : 'check'; // phpcs:ignore
224
225	$agents = json_decode( $ticket->live_agents, true );
226	$agents = $agents ? $agents : array();
227
228	if ( $operation == 'leave' ) {
229
230	if ( array_key_exists( $agent->id, $agents ) ) {
231	unset( $agents[ $agent->id ] );
232	$agents = wp_json_encode( $agents );
233	$ticket->live_agents = $agents;
234	$ticket->save();
235	}
236	wp_die();
237	}
238	// check inactive agents using timestamp comparison; remove if parsing fails or inactive > 60s.
239	foreach ( $agents as $key => $tm ) {
240	if ( $key == $agent->id ) {
241	continue;
242	}
243	$timestamp = strtotime( $tm );
244	if ( $timestamp === false \|\| $timestamp < ( time() - 60 ) ) {
245	unset( $agents[ $key ] );
246	}
247	}
248
249	$agents[ $agent->id ] = ( new DateTime() )->format( 'Y-m-d H:i:s' );
250
251	$html = '';
252	foreach ( $agents as $ag_id => $tmp ) {
253	if ( $ag_id == $agent->id ) {
254	continue;
255	}
256	$agt = new WPSC_Agent( $ag_id );
257
258	$html .= '<div class="wpsc-agent-avatar">' .
259	get_avatar( $agt->customer->email, 28 ) .
260	'<span class="wpsc-agent-name">' . esc_html( $agt->name ) . '</span>' .
261	'</div>';
262	}
263
264	$agents = wp_json_encode( $agents );
265	$ticket->live_agents = $agents;
266	$ticket->save();
267	$response = array(
268	'agents' => $html,
269	);
270	wp_send_json( $response );
271	}
272
273	/**
274	* Add/edit Agent Collision title
275	*
276	* @return void
277	*/
278	public static function get_tw_agent_collision() {
279
280	if ( ! WPSC_Functions::is_site_admin() ) {
281	wp_send_json_error( __( 'Unauthorized access!', 'supportcandy' ), 401 );
282	}
283
284	$ticket_widgets = get_option( 'wpsc-ticket-widget', array() );
285	$agent_collision = $ticket_widgets['agent-collision'];
286	$title = $agent_collision['title'];
287	ob_start();
288	?>
289	<form action="#" onsubmit="return false;" class="wpsc-frm-edit-ac">
290	<div class="wpsc-input-group">
291	<div class="label-container">
292	<label for=""><?php echo esc_attr( wpsc__( 'Title', 'supportcandy' ) ); ?></label>
293	</div>
294	<input name="label" type="text" value="<?php echo esc_attr( $agent_collision['title'] ); ?>" autocomplete="off">
295	</div>
296	<input type="hidden" name="action" value="wpsc_set_tw_agent_collision">
297	<input type="hidden" name="_ajax_nonce" value="<?php echo esc_attr( wp_create_nonce( 'wpsc_set_tw_agent_collision' ) ); ?>">
298	</form>
299	<?php
300	$body = ob_get_clean();
301	ob_start();
302	?>
303	<button class="wpsc-button small primary" onclick="wpsc_set_tw_agent_collision(this);">
304	<?php echo esc_attr( wpsc__( 'Submit', 'supportcandy' ) ); ?>
305	</button>
306	<button class="wpsc-button small secondary" onclick="wpsc_close_modal();">
307	<?php echo esc_attr( wpsc__( 'Cancel', 'supportcandy' ) ); ?>
308	</button>
309	<?php
310	$footer = ob_get_clean();
311	$response = array(
312	'title' => $title,
313	'body' => $body,
314	'footer' => $footer,
315	);
316	wp_send_json( $response );
317	}
318
319	/**
320	* Save Agent Collision label
321	*
322	* @return void
323	*/
324	public static function set_tw_agent_collision() {
325
326	if ( check_ajax_referer( 'wpsc_set_tw_agent_collision', '_ajax_nonce', false ) != 1 ) {
327	wp_send_json_error( 'Unauthorized request!', 400 );
328	}
329
330	if ( ! WPSC_Functions::is_site_admin() ) {
331	wp_send_json_error( __( 'Unauthorized access!', 'supportcandy' ), 401 );
332	}
333
334	$label = isset( $_POST['label'] ) ? sanitize_text_field( wp_unslash( $_POST['label'] ) ) : '';
335	if ( ! $label ) {
336	wp_send_json_error( 'Bad Request', 400 );
337	}
338
339	$ticket_widgets = get_option( 'wpsc-ticket-widget', array() );
340	$ticket_widgets['agent-collision']['title'] = $label;
341	update_option( 'wpsc-ticket-widget', $ticket_widgets );
342
343	// remove string translations.
344	WPSC_Translations::remove( 'wpsc-twt-agent-collision' );
345	WPSC_Translations::add( 'wpsc-twt-agent-collision', stripslashes( $label ) );
346	wp_die();
347	}
348	}
349	endif;
350
351	WPSC_ITW_Agent_Collision::init();
352