vikbooking / admin / helpers / widgets / check_availability.php

check_availability.php in VikBooking Hotel Booking Engine & PMS trunk, at admin/helpers/widgets/check_availability.php

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1	<?php
2	/**
3	* @package VikBooking
4	* @subpackage com_vikbooking
5	* @author Alessio Gaggii - e4j - Extensionsforjoomla.com
6	* @copyright Copyright (C) 2018 e4j - Extensionsforjoomla.com. All rights reserved.
7	* @license GNU General Public License version 2 or later; see LICENSE
8	* @link https://vikwp.com
9	*/
10
11	defined('ABSPATH') or die('No script kiddies please!');
12
13	/**
14	* Class handler for admin widget "check availability".
15	*
16	* @since 1.15.0 (J) - 1.5.0 (WP)
17	*/
18	class VikBookingAdminWidgetCheckAvailability extends VikBookingAdminWidget
19	{
20	/**
21	* The instance counter of this widget. Since we do not load individual parameters
22	* for each widget's instance, we use a static counter to determine its settings.
23	*
24	* @var int
25	*/
26	protected static $instance_counter = -1;
27
28	/**
29	* Default number of results per page.
30	*
31	* @var int
32	*/
33	protected $res_per_page = 3;
34
35	/**
36	* Maximum alternative dates to be displayed.
37	*
38	* @var int
39	*/
40	protected $max_alternative_dates = 6;
41
42	/**
43	* Maximum alternative parties to be displayed.
44	*
45	* @var int
46	*/
47	protected $max_alternative_parties = 8;
48
49	/**
50	* Class constructor will define the widget name and identifier.
51	*/
52	public function __construct()
53	{
54	// call parent constructor
55	parent::__construct();
56
57	$this->widgetName = JText::translate('VBO_W_CHECKAV_TITLE');
58	$this->widgetDescr = JText::translate('VBO_W_CHECKAV_DESCR');
59	$this->widgetId = basename(__FILE__, '.php');
60
61	// define widget and icon and style name
62	$this->widgetIcon = '<i class="' . VikBookingIcons::i('calculator') . '"></i>';
63	$this->widgetStyleName = 'blue';
64	}
65
66	/**
67	* Custom method for this widget only to load the rates flow records.
68	* The method is called by the admin controller through an AJAX request.
69	* The visibility should be public, it should not exit the process, and
70	* any content sent to output will be returned to the AJAX response.
71	* In this case we return an array because this method requires "return":1.
72	*
73	* It's the actual rendering of the widget which also allows navigation.
74	*/
75	public function loadRoomRates()
76	{
77	$offset = VikRequest::getInt('offset', 0, 'request');
78	$length = VikRequest::getInt('length', $this->res_per_page, 'request');
79	$wrapper = VikRequest::getString('wrapper', '', 'request');
80
81	$checkin_date = VikRequest::getString('checkin_date', '', 'request');
82	$num_nights = VikRequest::getInt('num_nights', 1, 'request');
83	$num_adults = VikRequest::getInt('num_adults', 2, 'request');
84	$num_children = VikRequest::getInt('num_children', 0, 'request');
85
86	// optional room IDs and guests array to consider
87	$room_ids = [];
88	$arr_adults = [];
89	$arr_children = [];
90
91	// multitask can inject a booking id
92	$bid = VikRequest::getInt('bid', 0, 'request');
93	if (!empty($bid)) {
94	// get proper loading values for this booking
95	list($b_checkin_date, $b_num_nights, $b_num_adults, $b_num_children, $room_ids) = $this->getBookingLoadValues($bid);
96	// only check the calculated booking checkin date to determine if loading values was successful
97	if (!empty($b_checkin_date)) {
98	// overwrite default values
99	$checkin_date = $b_checkin_date;
100	$num_nights = $b_num_nights;
101	if (is_array($b_num_adults)) {
102	// multiple rooms involved
103	$num_adults = array_sum($b_num_adults);
104	$num_children = array_sum($b_num_children);
105	$arr_adults = $b_num_adults;
106	$arr_children = $b_num_children;
107	} else {
108	// single room involved
109	$num_adults = $b_num_adults;
110	$num_children = $b_num_children;
111	}
112	}
113	}
114
115	if (empty($checkin_date)) {
116	// default to today's date
117	$checkin_date = date('Y-m-d');
118	}
119	if ($num_nights < 1) {
120	// minimum number of nights is 1
121	$num_nights = 1;
122	}
123
124	// convert date to timestamp to support custom date formats
125	$checkin_ts = VikBooking::getDateTimestamp($checkin_date);
126	$checkin_info = getdate($checkin_ts);
127	$checkout_ts = mktime(0, 0, 0, $checkin_info['mon'], ($checkin_info['mday'] + $num_nights), $checkin_info['year']);
128	$checkout_info = getdate($checkout_ts);
129	// build final dates
130	$checkin_date = date('Y-m-d', $checkin_ts);
131	$checkout_date = date('Y-m-d', $checkout_ts);
132
133	// we make use of the rates flow report helper class
134	$report = VikBooking::getReportInstance('rates_flow');
135	if (!$report) {
136	// display nothing
137	return;
138	}
139
140	// date formats and separator
141	$df = $report->getDateFormat();
142	$dtpicker_df = $report->getDateFormat('jui');
143	$date_sep = VikBooking::getDateSeparator();
144
145	// currency symbol
146	$currency = VikBooking::getCurrencySymb();
147
148	// invoke availability helper class
149	$av_helper = VikBooking::getAvailabilityInstance();
150
151	// set stay values
152	$av_helper->setStayDates($checkin_date, $checkout_date);
153	if (count($arr_adults) > 1) {
154	// multiple rooms involved
155	foreach ($arr_adults as $gkey => $radults) {
156	$av_helper->setRoomParty($radults, (isset($arr_children[$gkey]) ? $arr_children[$gkey] : 0));
157	}
158	} else {
159	// single room involved
160	$av_helper->setRoomParty($num_adults, $num_children);
161	}
162
163	if ($room_ids) {
164	$av_helper->setRoomIds($room_ids);
165	}
166
167	// load available room rates (all records, before pagination that will be applied later)
168	$room_rates = $av_helper->getRates([
169	'wtax' => 1,
170	]);
171
172	// load rooms and rate plans
173	$all_rooms = $av_helper->loadRooms();
174	$all_rplans = $av_helper->loadRatePlans();
175
176	// check if availability errors occurred
177	$has_av_error = strlen($av_helper->getError());
178	$av_error_code = $av_helper->getErrorCode();
179
180	// count total records
181	$tot_records = is_array($room_rates) && !$has_av_error ? count($room_rates) : 0;
182
183	// check if a next page can be available
184	$has_next_page = (($offset + $length) < $tot_records) ? 1 : 0;
185
186	// splice the array returned to support pagination
187	if ($tot_records > $length) {
188	$split_room_rates = array();
189	$index_offset = 0;
190	foreach ($room_rates as $rid => $rates) {
191	if ($index_offset >= $offset) {
192	$split_room_rates[$rid] = $rates;
193	}
194	if (count($split_room_rates) >= $length) {
195	break;
196	}
197	$index_offset++;
198	}
199	$room_rates = $split_room_rates;
200	unset($split_room_rates);
201	}
202
203	// list of eligible and available room IDs
204	$eligible_rids = [];
205
206	// start output buffering
207	ob_start();
208
209	// display the information about the dates and room party
210	$party_info_parts = array();
211	// stay dates information
212	$checkin_str = VikBooking::sayWeekDay($checkin_info['wday'], true) . ', ' . date(str_replace('/', $date_sep, $df), $checkin_ts);
213	$checkout_str = VikBooking::sayWeekDay($checkout_info['wday'], true) . ', ' . date(str_replace('/', $date_sep, $df), $checkout_ts);
214	$party_info_parts[] = $checkin_str . ' - ' . $checkout_str;
215	// nights information
216	$nights_lbl = $num_nights > 1 ? JText::translate('VBDAYS') : JText::translate('VBDAY');
217	$party_info_parts[] = $num_nights . ' ' . $nights_lbl;
218	// adults information
219	$adults_lbl = $num_adults === 1 ? JText::translate('VBMAILADULT') : JText::translate('VBEDITORDERADULTS');
220	$party_info_parts[] = $num_adults . ' ' . $adults_lbl;
221	// children information
222	$children_lbl = $num_children === 1 ? JText::translate('VBMAILCHILD') : JText::translate('VBEDITORDERCHILDREN');
223	if ($num_children > 0) {
224	$party_info_parts[] = $num_children . ' ' . $children_lbl;
225	}
226	?>
227	<div class="vbo-widget-checkav-result-party">
228	<p><?php echo implode(', ', $party_info_parts); ?></p>
229	</div>
230	<?php
231
232	// check if there is availability
233	if (!is_array($room_rates) \|\| !$room_rates \|\| $has_av_error) {
234	$explain_err = $av_helper->explainErrorCode();
235	$say_error = !empty($explain_err) ? $explain_err : $av_helper->getError();
236	$say_error = empty($say_error) ? JText::translate('VBOVERVIEWLEGRED') : $say_error;
237	?>
238	<p class="err"><?php echo $say_error; ?></p>
239	<?php
240	} else {
241	// parse room rates
242	foreach ($room_rates as $rid => $rates) {
243	if (!isset($all_rooms[$rid])) {
244	// this is to prevent reserved keys from being displayed
245	continue;
246	}
247	// push room ID as eligible and available
248	$eligible_rids[] = $rid;
249	?>
250	<div class="vbo-widget-checkav-result-room-rates">
251	<div class="vbo-widget-checkav-result-room-name">
252	<span><?php echo $all_rooms[$rid]['name']; ?></span>
253	</div>
254	<div class="vbo-widget-checkav-result-rates-list">
255	<?php
256	foreach ($rates as $rplan) {
257	$rplan_taxes = isset($rplan['taxes']) ? $rplan['taxes'] : 0;
258	$net_price = $rplan['cost'] - $rplan_taxes;
259	$js_book_args = "'$wrapper', '{$rid}', '{$checkin_date}', '{$checkout_date}', '{$num_adults}', '{$num_children}', '{$rplan['idprice']}'";
260	?>
261	<div class="vbo-widget-checkav-result-room-rate">
262	<div class="vbo-widget-checkav-result-rate-name">
263	<span><?php echo isset($all_rplans[$rplan['idprice']]) ? $all_rplans[$rplan['idprice']]['name'] : '?'; ?></span>
264	</div>
265	<div class="vbo-widget-checkav-result-rate-prices">
266	<?php
267	if ($net_price != $rplan['cost']) {
268	// taxes are greater than zero
269	?>
270	<span class="vbo-widget-checkav-result-rate-price vbo-widget-checkav-result-rate-net">
271	<span><?php echo JText::translate('VBCALCRATESNET'); ?></span>
272	<?php echo $currency . ' ' . VikBooking::numberFormat($net_price); ?>
273	</span>
274	<span class="vbo-widget-checkav-result-rate-price vbo-widget-checkav-result-rate-tax">
275	<span><?php echo JText::translate('VBCALCRATESTAX'); ?></span>
276	<?php echo $currency . ' ' . VikBooking::numberFormat($rplan_taxes); ?>
277	</span>
278	<?php
279	}
280	?>
281	<span class="vbo-widget-checkav-result-rate-price vbo-widget-checkav-result-rate-total">
282	<span><?php echo JText::translate('VBCALCRATESTOT'); ?></span>
283	<?php echo $currency . ' ' . VikBooking::numberFormat($rplan['cost']); ?>
284	</span>
285	<span class="vbo-widget-checkav-result-rate-price vbo-widget-checkav-result-rate-booknow">
286	<button type="button" class="btn btn-primary" onclick="vboWidgetCheckAvailabilityBook(<?php echo $js_book_args; ?>);"><?php echo JText::translate('VBO_BOOKNOW'); ?></button>
287	</span>
288	</div>
289	</div>
290	<?php
291	}
292	?>
293	</div>
294	</div>
295	<?php
296	}
297
298	// append navigation
299	?>
300	<div class="vbo-widget-commands vbo-widget-commands-right">
301	<div class="vbo-widget-commands-main">
302	<?php
303	if ($offset > 0) {
304	// show backward navigation button
305	?>
306	<div class="vbo-widget-command-chevron vbo-widget-command-prev">
307	<span class="vbo-widget-command-chevron-prev" onclick="vboWidgetCheckAvailabilityNavigate('<?php echo $wrapper; ?>', -1);"><?php VikBookingIcons::e('chevron-left'); ?></span>
308	</div>
309	<?php
310	}
311	if ($has_next_page) {
312	// show forward navigation button
313	?>
314	<div class="vbo-widget-command-chevron vbo-widget-command-next">
315	<span class="vbo-widget-command-chevron-next" onclick="vboWidgetCheckAvailabilityNavigate('<?php echo $wrapper; ?>', 1);"><?php VikBookingIcons::e('chevron-right'); ?></span>
316	</div>
317	<?php
318	}
319	?>
320	</div>
321	</div>
322	<?php
323	}
324
325	// default pool of suggestions
326	$alternative_dates = [];
327	$alternative_parties = [];
328	$split_stay_sols = [];
329
330	if (!is_array($room_rates) \|\| !$room_rates \|\| $has_av_error) {
331	// try to get the suggestions when no availability
332	list($alternative_dates, $alternative_parties, $split_stay_sols) = $av_helper->findSuggestions();
333	} elseif ($eligible_rids) {
334	/**
335	* We did return some available rooms, but we still want to calculate if some
336	* split-stay solutions are also available for some rooms that were left unsold.
337	*
338	* @since 1.16.3 (J) - 1.6.3 (WP)
339	*/
340	$parsable_rids = array_diff(array_keys($av_helper->filterPublishedRooms()), $eligible_rids);
341	if ($parsable_rids) {
342	// try to suggest split stay solutions by using the room IDs that were not available
343	$split_stay_sols = $av_helper->findSplitStays($parsable_rids);
344	}
345	}
346
347	// parse booking split stays
348	if ($split_stay_sols) {
349	// we've got booking split stays to suggest
350	?>
351	<p class="info"><?php VikBookingIcons::e('random'); ?> <?php echo JText::translate('VBO_SPLIT_STAYS'); ?></p>
352	<div class="vbo-widget-checkav-result-splitstays-wrap">
353	<?php
354	foreach ($split_stay_sols as $split_stay_sol) {
355	?>
356	<div class="vbo-widget-checkav-splitstay-rooms">
357	<div class="vbo-widget-checkav-splitstay-rooms-inner">
358	<?php
359	// start args for booking this split stay solution
360	$first_rid = $split_stay_sol[0]['idroom'];
361	$split_stay_values = [
362	'checkin' => $checkin_date,
363	'checkout' => $checkout_date,
364	'split_stay' => [],
365	];
366	// parse rooms for the split stay
367	foreach ($split_stay_sol as $split_k => $split_stay_room) {
368	// parse stay dates into DateTime objects
369	$checkin_dt_obj = new JDate($split_stay_room['checkin']);
370	$checkout_dt_obj = new JDate($split_stay_room['checkout']);
371	// push split stay data for booking
372	$split_stay_values['split_stay'][] = [
373	'idroom' => $split_stay_room['idroom'],
374	'checkin' => $split_stay_room['checkin'],
375	'checkout' => $split_stay_room['checkout'],
376	'nights' => $split_stay_room['nights'],
377	];
378	?>
379	<div class="vbo-widget-checkav-splitstay-room">
380	<div class="vbo-widget-checkav-result-room-name">
381	<span><?php VikBookingIcons::e(($split_k > 0 ? 'random' : 'arrow-right')); ?> <?php echo $split_stay_room['room_name']; ?></span>
382	</div>
383	<div class="vbo-widget-checkav-result-altdates-info">
384	<div class="vbo-widget-checkav-result-alt-date">
385	<span class="vbo-widget-checkav-result-split-nights"><?php VikBookingIcons::e('moon'); ?> <?php echo $split_stay_room['nights']; ?> <?php echo $split_stay_room['nights'] > 1 ? JText::translate('VBDAYS') : JText::translate('VBDAY'); ?></span>
386	<span class="vbo-widget-checkav-result-alt-date-in"><?php VikBookingIcons::e('plane-arrival'); ?> <?php echo $checkin_dt_obj->format('D, d M Y', true); ?></span>
387	<span class="vbo-widget-checkav-result-alt-date-out"><?php VikBookingIcons::e('plane-departure'); ?> <?php echo $checkout_dt_obj->format('D, d M Y', true); ?></span>
388	</div>
389	</div>
390	</div>
391	<?php
392	}
393	// finalize args for booking this split stay
394	$split_stay_qstring = http_build_query($split_stay_values);
395	$js_book_args = "'{$first_rid}', '{$num_adults}', '{$num_children}', '{$split_stay_qstring}'";
396	?>
397	</div>
398	<div class="vbo-widget-checkav-splitstay-rooms-book">
399	<button type="button" class="btn btn-primary" onclick="vboWidgetCheckAvailabilityBookSplitStay(<?php echo $js_book_args; ?>);"><?php echo JText::translate('VBO_BOOKNOW'); ?></button>
400	</div>
401	</div>
402	<?php
403	}
404	?>
405	</div>
406	<?php
407	}
408
409	// parse alrernative dates (if any)
410	if ($alternative_dates) {
411	// we've got some alternative dates to suggest for some rooms
412	?>
413	<p class="info"><?php echo JText::translate('VBO_ALT_STAY_DATES'); ?></p>
414	<div class="vbo-widget-checkav-result-altdates-wrap">
415	<?php
416	$alt_displayed = 0;
417	foreach ($alternative_dates as $arrive_dt => $alt_rooms) {
418	$alt_displayed++;
419	foreach ($alt_rooms as $rid => $alt_room) {
420	if (empty($alt_room['days_av_left'])) {
421	continue;
422	}
423	$sugg_checkin_dt = null;
424	$sugg_checkout_dt = null;
425	foreach ($alt_room['days_av_left'] as $dayk => $uleft) {
426	if (empty($sugg_checkin_dt)) {
427	// grab the first date
428	$sugg_checkin_dt = $dayk;
429	}
430	// always overwrite until last date
431	$sugg_checkout_dt = $dayk;
432	}
433	// increase check-out date by one day (day after last night of stay)
434	$sugg_out_info = getdate(strtotime($sugg_checkout_dt));
435	$sugg_checkout_dt = date('Y-m-d', mktime(0, 0, 0, $sugg_out_info['mon'], ($sugg_out_info['mday'] + 1), $sugg_out_info['year']));
436	// parse stay dates into DateTime objects
437	$checkin_dt_obj = new JDate($sugg_checkin_dt);
438	$checkout_dt_obj = new JDate($sugg_checkout_dt);
439	// count total nights of stay
440	$sug_tot_nights = count($alt_room['days_av_left']);
441	// format suggested check-in date for datepicker
442	$cal_checkin_dt = date($df, strtotime($sugg_checkin_dt));
443	// js arguments
444	$js_pick_args = "'$wrapper', '{$rid}', '{$cal_checkin_dt}', '{$sug_tot_nights}', '{$num_adults}', '{$num_children}'";
445	?>
446	<div class="vbo-widget-checkav-result-room-rates vbo-widget-checkav-result-altdates">
447	<div class="vbo-widget-checkav-result-room-name">
448	<span><?php echo $alt_room['name']; ?></span>
449	</div>
450	<div class="vbo-widget-checkav-result-altdates-info">
451	<div class="vbo-widget-checkav-result-alt-date">
452	<span class="vbo-widget-checkav-result-alt-date-in"><?php VikBookingIcons::e('plane-arrival'); ?> <?php echo $checkin_dt_obj->format('D, d M Y', true); ?></span>
453	<span class="vbo-widget-checkav-result-alt-date-out"><?php VikBookingIcons::e('plane-departure'); ?> <?php echo $checkout_dt_obj->format('D, d M Y', true); ?></span>
454	</div>
455	<div class="vbo-widget-checkav-result-alt-choose">
456	<button type="button" class="btn btn-primary" onclick="vboWidgetCheckAvailabilityPickRoom(<?php echo $js_pick_args; ?>);"><?php echo JText::translate('VBO_SELECT'); ?></button>
457	</div>
458	</div>
459	</div>
460	<?php
461	}
462	// check limit of alternative dates
463	if ($alt_displayed >= $this->max_alternative_dates) {
464	break;
465	}
466	}
467	?>
468	</div>
469	<?php
470	}
471
472	// parse alrernative parties (if any)
473	if ($alternative_parties) {
474	// we've got some alternative combinations of rooms to suggest to fit the party
475	?>
476	<p class="info"><?php echo JText::translate('VBO_ALT_ROOM_PARTIES'); ?></p>
477	<div class="vbo-widget-checkav-result-altparties-wrap">
478	<?php
479	$alt_displayed = 0;
480	foreach ($alternative_parties as $arrive_dt => $alt_parties) {
481	$alt_displayed++;
482	$alt_dates_displayed = false;
483	?>
484	<div class="vbo-widget-checkav-result-room-rates vbo-widget-checkav-result-altparty">
485	<?php
486	foreach ($alt_parties as $alt_party) {
487	if (empty($alt_party['days_av_left']) \|\| empty($alt_party['guests_allocation'])) {
488	continue;
489	}
490	// room ID
491	$rid = $alt_party['id'];
492	// count total nights of stay
493	$sug_tot_nights = count($alt_party['days_av_left']);
494	// party info
495	$party_info_parts = array();
496	// adults information
497	$adults_lbl = $alt_party['guests_allocation']['adults'] == 1 ? JText::translate('VBMAILADULT') : JText::translate('VBEDITORDERADULTS');
498	$party_info_parts[] = $alt_party['guests_allocation']['adults'] . ' ' . $adults_lbl;
499	// children information
500	$children_lbl = isset($alt_party['guests_allocation']['children']) && $alt_party['guests_allocation']['children'] == 1 ? JText::translate('VBMAILCHILD') : JText::translate('VBEDITORDERCHILDREN');
501	if (!empty($alt_party['guests_allocation']['children'])) {
502	$party_info_parts[] = $alt_party['guests_allocation']['children'] . ' ' . $children_lbl;
503	}
504	if (!$alt_dates_displayed) {
505	// display the stay dates once per alternative party
506	$alt_dates_displayed = true;
507	// calculate suggested stay dates
508	$sugg_checkin_dt = null;
509	$sugg_checkout_dt = null;
510	foreach ($alt_party['days_av_left'] as $dayk => $uleft) {
511	if (empty($sugg_checkin_dt)) {
512	// grab the first date
513	$sugg_checkin_dt = $dayk;
514	}
515	// always overwrite until last date
516	$sugg_checkout_dt = $dayk;
517	}
518	// increase check-out date by one day (day after last night of stay)
519	$sugg_out_info = getdate(strtotime($sugg_checkout_dt));
520	$sugg_checkout_dt = date('Y-m-d', mktime(0, 0, 0, $sugg_out_info['mon'], ($sugg_out_info['mday'] + 1), $sugg_out_info['year']));
521	// parse stay dates into DateTime objects
522	$checkin_dt_obj = new JDate($sugg_checkin_dt);
523	$checkout_dt_obj = new JDate($sugg_checkout_dt);
524	?>
525	<div class="vbo-widget-checkav-result-altparty-dates">
526	<div class="vbo-widget-checkav-result-altparty-stay">
527	<span class="vbo-widget-checkav-result-alt-date-in"><?php VikBookingIcons::e('plane-arrival'); ?> <?php echo $checkin_dt_obj->format('D, d M Y', true); ?></span>
528	<span class="vbo-widget-checkav-result-alt-date-out"><?php VikBookingIcons::e('plane-departure'); ?> <?php echo $checkout_dt_obj->format('D, d M Y', true); ?></span>
529	</div>
530	</div>
531	<?php
532	}
533	?>
534	<div class="vbo-widget-checkav-result-altparty-room">
535	<div class="vbo-widget-checkav-result-room-name">
536	<span><?php echo $alt_party['name']; ?></span>
537	</div>
538	<div class="vbo-widget-checkav-result-alt-guests-rparty">
539	<span><?php VikBookingIcons::e('users'); ?> <?php echo implode(', ', $party_info_parts); ?></span>
540	</div>
541	</div>
542	<?php
543	}
544	?>
545	</div>
546	<?php
547	// check limit of alternative parties
548	if ($alt_displayed >= $this->max_alternative_parties) {
549	break;
550	}
551	}
552	?>
553	</div>
554	<?php
555	}
556
557	// get the HTML buffer
558	$html_content = ob_get_contents();
559	ob_end_clean();
560
561	// return an associative array of values
562	return array(
563	'html' => $html_content,
564	'tot_records' => $tot_records,
565	'next_page' => $has_next_page,
566	);
567	}
568
569	/**
570	* Preload the necessary CSS/JS assets.
571	*
572	* @return void
573	*/
574	public function preload()
575	{
576	// load assets
577	$this->vbo_app->loadDatePicker();
578	}
579
580	public function render(?VBOMultitaskData $data = null)
581	{
582	// increase widget's instance counter
583	static::$instance_counter++;
584
585	// check whether the widget is being rendered via AJAX when adding it through the customizer
586	$is_ajax = $this->isAjaxRendering();
587
588	// generate a unique ID for the sticky notes wrapper instance
589	$wrapper_instance = !$is_ajax ? static::$instance_counter : rand();
590	$wrapper_id = 'vbo-widget-checkav-' . $wrapper_instance;
591
592	// get permissions
593	$vbo_auth_bookings = JFactory::getUser()->authorise('core.vbo.bookings', 'com_vikbooking');
594	if (!$vbo_auth_bookings) {
595	// display nothing
596	return;
597	}
598
599	// we make use of the rates flow report helper class
600	$report = VikBooking::getReportInstance('rates_flow');
601	if (!$report) {
602	// display nothing
603	return;
604	}
605
606	// date formats
607	$df = $report->getDateFormat();
608	$dtpicker_df = $report->getDateFormat('jui');
609
610	// get highest max adults and max children
611	list($max_adults, $max_children) = $this->getMaxestGuests();
612
613	// check multitask data
614	$page_bid = 0;
615	$modal_load_bid = '';
616	if ($data) {
617	$page_bid = $data->getBookingID();
618	if ($page_bid && $data->isModalRendering()) {
619	// immediately load contents according to injected multitask data
620	$modal_load_bid = $page_bid;
621	}
622	}
623
624	?>
625	<div class="vbo-admin-widget-wrapper">
626	<div class="vbo-admin-widget-head">
627	<h4><?php echo $this->widgetIcon; ?> <span><?php echo $this->widgetName; ?></span></h4>
628	</div>
629	<div id="<?php echo $wrapper_id; ?>" class="vbo-widget-checkav-wrap" data-instance="<?php echo $wrapper_instance; ?>" data-pagebid="<?php echo $page_bid; ?>" data-offset="0" data-length="<?php echo $this->res_per_page; ?>">
630	<div class="vbo-widget-checkav-filters">
631	<div class="vbo-widget-checkav-filters-main">
632	<div class="vbo-widget-checkav-filter vbo-widget-checkav-filter-dpicker">
633	<div class="vbo-field-calendar">
634	<div class="input-append">
635	<input type="text" class="vbo-widget-checkav-checkindt" value="" placeholder="<?php echo htmlspecialchars(JText::translate('VBPICKUPAT')); ?>" />
636	<button type="button" class="btn btn-secondary vbo-widget-checkav-checkindt-trigger"><?php VikBookingIcons::e('calendar'); ?></button>
637	</div>
638	</div>
639	</div>
640	<div class="vbo-widget-checkav-filter vbo-widget-checkav-filter-nights">
641	<label for="vbo-widget-checkav-nights-<?php echo $wrapper_instance; ?>"><?php echo JText::translate('VBDAYS'); ?></label>
642	<input type="number" id="vbo-widget-checkav-nights-<?php echo $wrapper_instance; ?>" class="vbo-widget-checkav-nights" min="1" max="365" step="1" value="1" />
643	</div>
644	</div>
645	<div class="vbo-widget-checkav-filters-secondary">
646	<div class="vbo-widget-checkav-filter vbo-widget-checkav-filter-adults">
647	<label for="vbo-widget-checkav-adults-<?php echo $wrapper_instance; ?>"><?php echo JText::translate('VBEDITORDERADULTS'); ?></label>
648	<input type="number" id="vbo-widget-checkav-adults-<?php echo $wrapper_instance; ?>" class="vbo-widget-checkav-adults" min="0" max="<?php echo $max_adults; ?>" step="1" value="2" />
649	</div>
650	<div class="vbo-widget-checkav-filter vbo-widget-checkav-filter-children">
651	<label for="vbo-widget-checkav-children-<?php echo $wrapper_instance; ?>"><?php echo JText::translate('VBEDITORDERCHILDREN'); ?></label>
652	<input type="number" id="vbo-widget-checkav-children-<?php echo $wrapper_instance; ?>" class="vbo-widget-checkav-children" min="0" max="<?php echo $max_children; ?>" step="1" value="0" />
653	</div>
654	</div>
655	<div class="vbo-widget-checkav-filters-submit">
656	<div class="vbo-widget-checkav-filter vbo-widget-checkav-filter-submit">
657	<button type="button" class="btn vbo-config-btn" onclick="vboWidgetCheckAvailabilityCalc('<?php echo $wrapper_id; ?>');"><?php VikBookingIcons::e('bed'); ?><?php echo JText::translate('VBRATESOVWRATESCALCULATORCALC'); ?></button>
658	</div>
659	</div>
660	</div>
661	<div class="vbo-widget-checkav-results"></div>
662	</div>
663	</div>
664	<?php
665
666	if (static::$instance_counter === 0 \|\| $is_ajax) {
667	/**
668	* Print the JS code only once for all instances of this widget.
669	* The real rendering is made through AJAX, not when the page loads.
670	*/
671	?>
672	<a class="vbo-widget-checkav-basenavuri" href="index.php?option=com_vikbooking&task=calendar&cid[]=%d&checkin=%s&checkout=%s&adults=%d&children=%d&idprice=%d&booknow=1" style="display: none;"></a>
673	<a class="vbo-widget-checkav-splitstayuri" href="index.php?option=com_vikbooking&task=calendar&cid[]=%d&adults=%d&children=%d" style="display: none;"></a>
674
675	<script type="text/javascript">
676
677	/**
678	* Display the loading skeletons.
679	*/
680	function vboWidgetCheckAvailabilitySkeletons(wrapper) {
681	var widget_instance = jQuery('#' + wrapper);
682	if (!widget_instance.length) {
683	return false;
684	}
685	widget_instance.find('.vbo-widget-checkav-results').html('');
686	for (var i = 0; i < 1; i++) {
687	var skeleton = '';
688	skeleton += '<div class="vbo-dashboard-guest-activity vbo-dashboard-guest-activity-skeleton">';
689	skeleton += ' <div class="vbo-dashboard-guest-activity-avatar">';
690	skeleton += ' <div class="vbo-skeleton-loading vbo-skeleton-loading-avatar"></div>';
691	skeleton += ' </div>';
692	skeleton += ' <div class="vbo-dashboard-guest-activity-content">';
693	skeleton += ' <div class="vbo-dashboard-guest-activity-content-head">';
694	skeleton += ' <div class="vbo-skeleton-loading vbo-skeleton-loading-title"></div>';
695	skeleton += ' </div>';
696	skeleton += ' <div class="vbo-dashboard-guest-activity-content-info-msg">';
697	skeleton += ' <div class="vbo-skeleton-loading vbo-skeleton-loading-content"></div>';
698	skeleton += ' </div>';
699	skeleton += ' </div>';
700	skeleton += '</div>';
701	// append skeleton
702	jQuery(skeleton).appendTo(widget_instance.find('.vbo-widget-checkav-results'));
703	}
704	}
705
706	/**
707	* Perform the request to load the available room rates.
708	*/
709	function vboWidgetCheckAvailabilityLoad(wrapper, checkbid) {
710	var widget_instance = jQuery('#' + wrapper);
711	if (!widget_instance.length) {
712	return false;
713	}
714
715	// get vars for making the request
716	var current_offset = parseInt(widget_instance.attr('data-offset'));
717	var length_per_page = parseInt(widget_instance.attr('data-length'));
718	var checkin_date = widget_instance.find('.vbo-widget-checkav-checkindt').val();
719	var num_nights = widget_instance.find('.vbo-widget-checkav-nights').val();
720	var num_adults = widget_instance.find('.vbo-widget-checkav-adults').val();
721	var num_children = widget_instance.find('.vbo-widget-checkav-children').val();
722
723	var bid = null;
724	if (typeof checkbid !== 'undefined' && checkbid) {
725	bid = checkbid;
726	}
727
728	// the widget method to call
729	var call_method = 'loadRoomRates';
730
731	// make a request to load the available room rates
732	VBOCore.doAjax(
733	"<?php echo $this->getExecWidgetAjaxUri(); ?>",
734	{
735	widget_id: "<?php echo $this->getIdentifier(); ?>",
736	call: call_method,
737	return: 1,
738	offset: current_offset,
739	length: length_per_page,
740	checkin_date: checkin_date,
741	num_nights: num_nights,
742	num_adults: num_adults,
743	num_children: num_children,
744	bid: bid,
745	wrapper: wrapper,
746	tmpl: "component"
747	},
748	function(response) {
749	try {
750	var obj_res = typeof response === 'string' ? JSON.parse(response) : response;
751	if (!obj_res.hasOwnProperty(call_method) \|\| !obj_res[call_method]) {
752	console.error('Unexpected JSON response', obj_res);
753	return false;
754	}
755
756	// replace HTML with new available room rates
757	widget_instance.find('.vbo-widget-checkav-results').html(obj_res[call_method]['html']);
758
759	// check results
760	var tot_records = obj_res[call_method]['tot_records'] \|\| 0;
761	if (!isNaN(tot_records) && parseInt(tot_records) < 1) {
762	// no results can indicate the offset is invalid or too high
763	if (!isNaN(current_offset) && parseInt(current_offset) > 0) {
764	// reset offset to 0
765	widget_instance.attr('data-offset', 0);
766	// show loading skeletons
767	vboWidgetCheckAvailabilitySkeletons(wrapper);
768	// reload the first page
769	vboWidgetCheckAvailabilityLoad(wrapper);
770	}
771	}
772	} catch(err) {
773	console.error('could not parse JSON response', err, response);
774	}
775	},
776	function(error) {
777	// remove the skeleton loading
778	widget_instance.find('.vbo-widget-checkav-results').find('.vbo-dashboard-guest-activity-skeleton').remove();
779	console.error(error);
780	}
781	);
782	}
783
784	/**
785	* Navigate between the various pages of the available room rates.
786	*/
787	function vboWidgetCheckAvailabilityNavigate(wrapper, direction) {
788	var widget_instance = jQuery('#' + wrapper);
789	if (!widget_instance.length) {
790	return false;
791	}
792
793	// show loading skeletons
794	vboWidgetCheckAvailabilitySkeletons(wrapper);
795
796	var instance_val = widget_instance.attr('data-instance');
797
798	// current offset
799	var current_offset = parseInt(widget_instance.attr('data-offset'));
800
801	// events per page per type
802	var steps = <?php echo $this->res_per_page; ?>;
803
804	// check direction and update offsets for nav
805	if (direction > 0) {
806	// navigate forward
807	widget_instance.attr('data-offset', (current_offset + steps));
808	} else {
809	// navigate backward
810	var new_offset = current_offset - steps;
811	new_offset = new_offset >= 0 ? new_offset : 0;
812	widget_instance.attr('data-offset', new_offset);
813	}
814
815	// launch navigation
816	vboWidgetCheckAvailabilityLoad(wrapper);
817	}
818
819	/**
820	* Calculate the available room rates.
821	*/
822	function vboWidgetCheckAvailabilityCalc(wrapper) {
823	var widget_instance = jQuery('#' + wrapper);
824	if (!widget_instance.length) {
825	return false;
826	}
827
828	// show loading skeletons
829	vboWidgetCheckAvailabilitySkeletons(wrapper);
830
831	// always reset offset to the first page
832	widget_instance.attr('data-offset', 0);
833
834	// load data
835	vboWidgetCheckAvailabilityLoad(wrapper);
836	}
837
838	/**
839	* Triggers when the multitask panel opens.
840	*/
841	function vboWidgetCheckAvailabilityMultitaskOpen(wrapper) {
842	var widget_instance = jQuery('#' + wrapper);
843	if (!widget_instance.length) {
844	return false;
845	}
846
847	// check if a booking ID was set for this page
848	var page_bid = widget_instance.attr('data-pagebid');
849	if (!page_bid \|\| page_bid < 1) {
850	return false;
851	}
852
853	// show loading skeletons
854	vboWidgetCheckAvailabilitySkeletons(wrapper);
855
856	// always reset offset to the first page
857	widget_instance.attr('data-offset', 0);
858
859	// load data by injecting the current booking ID
860	vboWidgetCheckAvailabilityLoad(wrapper, page_bid);
861	}
862
863	/**
864	* Book a room rate.
865	*/
866	function vboWidgetCheckAvailabilityBook(wrapper, rid, din, dout, adults, children, rpid) {
867	var open_url = jQuery('.vbo-widget-checkav-basenavuri').first().attr('href');
868	open_url = open_url.replace('%d', rid);
869	open_url = open_url.replace('%s', din);
870	open_url = open_url.replace('%s', dout);
871	open_url = open_url.replace('%d', adults);
872	open_url = open_url.replace('%d', children);
873	open_url = open_url.replace('%d', rpid);
874	// navigate
875	document.location.href = open_url;
876	}
877
878	/**
879	* Book a split stay.
880	*/
881	function vboWidgetCheckAvailabilityBookSplitStay(rid, adults, children, split_qstring) {
882	var open_url = jQuery('.vbo-widget-checkav-splitstayuri').first().attr('href');
883	open_url = open_url.replace('%d', rid);
884	open_url = open_url.replace('%d', adults);
885	open_url = open_url.replace('%d', children);
886	open_url += '&' + split_qstring;
887	// navigate
888	document.location.href = open_url;
889	}
890
891	/**
892	* Pick alternative stay dates suggested for calculation.
893	*/
894	function vboWidgetCheckAvailabilityPickRoom(wrapper, rid, din, nights, adults, children) {
895	var widget_instance = jQuery('#' + wrapper);
896	if (!widget_instance.length) {
897	return false;
898	}
899
900	// show loading skeletons
901	vboWidgetCheckAvailabilitySkeletons(wrapper);
902
903	// always reset offset to the first page
904	widget_instance.attr('data-offset', 0);
905
906	// populate check-in date
907	widget_instance.find('.vbo-widget-checkav-checkindt').datepicker('setDate', din);
908
909	// set number of nights, adults and children
910	widget_instance.find('.vbo-widget-checkav-nights').val(nights);
911	widget_instance.find('.vbo-widget-checkav-adults').val(adults);
912	widget_instance.find('.vbo-widget-checkav-children').val(children);
913
914	// load data (we ignore the room ID passed to display all options available)
915	vboWidgetCheckAvailabilityLoad(wrapper);
916	}
917
918	</script>
919	<?php
920	}
921	?>
922
923	<script type="text/javascript">
924
925	jQuery(function() {
926
927	// render datepicker calendar for dates navigation
928	jQuery('#<?php echo $wrapper_id; ?>').find('.vbo-widget-checkav-checkindt').datepicker({
929	minDate: 0,
930	maxDate: "+3y",
931	yearRange: "<?php echo date('Y'); ?>:<?php echo (date('Y') + 3); ?>",
932	changeMonth: true,
933	changeYear: true,
934	dateFormat: "<?php echo $dtpicker_df; ?>"
935	});
936
937	// triggering for datepicker calendar icon
938	jQuery('#<?php echo $wrapper_id; ?>').find('.vbo-widget-checkav-checkindt-trigger').click(function() {
939	var jdp = jQuery(this).parent().find('input.hasDatepicker');
940	if (jdp.length) {
941	jdp.focus();
942	}
943	});
944
945	// subscribe to the multitask-panel-open event
946	document.addEventListener(VBOCore.multitask_open_event, function() {
947	vboWidgetCheckAvailabilityMultitaskOpen('<?php echo $wrapper_id; ?>');
948	});
949
950	<?php
951	if ($modal_load_bid) {
952	// immediately fire the adaptive rendering according to multitask data
953	?>
954	vboWidgetCheckAvailabilityMultitaskOpen('<?php echo $wrapper_id; ?>');
955	<?php
956	}
957	?>
958
959	});
960
961	</script>
962
963	<?php
964	}
965
966	/**
967	* Returns the maximum number of adults and children as a sum from all rooms.
968	* Internal method for this widget only.
969	*
970	* @return array two values, respectively for highest adults and children.
971	*/
972	protected function getMaxestGuests()
973	{
974	$maxest = array(1, 1);
975
976	$dbo = JFactory::getDbo();
977
978	$q = "SELECT SUM(`toadult`) AS `max_adults`, SUM(`tochild`) AS `max_children` FROM `#__vikbooking_rooms`;";
979	$dbo->setQuery($q);
980	$record = $dbo->loadAssoc();
981	if ($record) {
982	$maxest = array($record['max_adults'], $record['max_children']);
983	}
984
985	return $maxest;
986	}
987
988	/**
989	* In case the multitask panel injects a booking ID, this method
990	* prepares the proper values to use for loading room rates.
991	*
992	* @param int $bid the booking id.
993	* @param bool $multi_rooms whether to return array of guests
994	* when multiple rooms booked.
995	*
996	* @return array list of values to use for loading.
997	*/
998	protected function getBookingLoadValues($bid, $multi_rooms = true)
999	{
1000	// set default values
1001	$checkin_date = '';
1002	$num_nights = 0;
1003	$num_adults = 0;
1004	$num_children = 0;
1005	$room_ids = [];
1006
1007	if (empty($bid)) {
1008	// do nothing
1009	return [$checkin_date, $num_nights, $num_adults, $num_children, $room_ids];
1010	}
1011
1012	// get booking details
1013	$booking = VikBooking::getBookingInfoFromID($bid);
1014
1015	if (!is_array($booking) \|\| !count($booking)) {
1016	// do nothing
1017	return [$checkin_date, $num_nights, $num_adults, $num_children, $room_ids];
1018	}
1019
1020	// get reservation rooms
1021	$book_rooms = VikBooking::loadOrdersRoomsData($booking['id']);
1022
1023	if (!is_array($book_rooms) \|\| !count($book_rooms)) {
1024	// do nothing
1025	return [$checkin_date, $num_nights, $num_adults, $num_children, $room_ids];
1026	}
1027
1028	// build proper values for this reservation
1029	$checkin_date = date('Y-m-d', $booking['checkin']);
1030	$num_nights = $booking['days'];
1031	$arr_adults = [];
1032	$arr_children = [];
1033	foreach ($book_rooms as $roomres) {
1034	$num_adults += $roomres['adults'];
1035	$num_children += $roomres['children'];
1036	$arr_adults[] = $roomres['adults'];
1037	$arr_children[] = $roomres['children'];
1038	$room_ids[] = $roomres['idroom'];
1039	if ($booking['split_stay']) {
1040	// do not sum the guests in case of split stay
1041	$num_adults = $roomres['adults'];
1042	$num_children = $roomres['children'];
1043	}
1044	}
1045
1046	if (count($book_rooms) > 1 && $multi_rooms === true && !$booking['split_stay']) {
1047	// return the adults and children as array rather than as integers
1048	$num_adults = $arr_adults;
1049	$num_children = $arr_children;
1050	}
1051
1052	return [$checkin_date, $num_nights, $num_adults, $num_children, $room_ids];
1053	}
1054	}
1055