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room_reservation module as it exists on rooms.library.upei.ca. rooms.lib.. seemed like a clean module from drupal.org. Due to covid we have had to make some changes, I am tracking them here (pp).
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room_reservations/room_reservations.inc

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<?php
/**
* @file
* Classes and general Room Reservations helper functions.
*/
/**
* Reservation class represents a single reservation.
*/
class Reservation {
/**
* The key of the record in the room_reservations database table.
*
* @var int
*/
public $id;
/**
* Indicates if the record has been deleted. 'Y' = deleted. 'N' = not
* deleted.
*
* @var string
*/
public $deleted;
/**
* The date for which the reservation has been made, in format YYYY-MM-DD.
*
* @var string
*/
public $date;
/**
* The time at which the reservation begins, in format 9999 (0000-2330).
*
* @var string
*/
public $time;
/**
* The length of time of the reservation, in minutes.
*
* @var int
*/
public $length;
/**
* The name of the room being reserved.
*
* @var string
*/
public $room;
/**
* The name assigned by the user to identify the reservation on the
* reservation calendar.
*
* @var string
*/
public $name;
/**
* The number of persons who will be using the room.
*
* @var int
*/
public $groupSize;
/**
* The Drupal user name of the person who made the reservation.
*
* @var string
*/
public $userName;
/**
* Indicates if the user has selected to receive confirmation and reminder
* messages by SMS message. 'Y' indicates receive messages by SMS. 'N'
* indicates do not receive messages by SMS.
*
* @var string
*/
public $textmsg;
/**
* The id of the record in the room_reservations_variables table that
* contains information about the user's selected SMS carrier.
*
* @var int
*/
public $carrier;
/**
* The phone number to which the SMS messages are sent for this
* reservation, if this option for receiving messages has been selected by the
* user, in the format 9999999999.
*
* @var string
*/
public $phone;
/**
* One or more email addresses to receive confirmation and reminder
* messages for this reservation, if this option for receiving messages
* has been selected by the user.
*
* @var string
*/
public $emailAddresses;
/**
* The date and time the reservation was created, in the format
* YYYY-MM-DD HH:MM:SS.
*
* @var string
*/
public $createDate;
/**
* The last date and time the reservation was updated, in the format
* YYYY-MM-DD HH:MM:SS. If the reservation has not been updated, will
* contain '0000-00-00 00:00:00'.
*
* @var string
*/
public $updateDate;
/**
* The date and time a reminder was sent for this reservation, in the format
* YYYY-MM-DD HH:MM:SS. If no reminder has been sent, will
* contain '0000-00-00 00:00:00'.
*
* @var string
*/
public $reminderDate;
/**
* The number of persons who can use the room being reserved.
*
* @var int
*/
public $roomCapacity;
/**
* The month number of the date of the reservation.
*
* @var int
*/
public $monthNumber;
/**
* The day of the month of the date of the reservation.
*
* @var int
*/
public $day;
/**
* The year of the date of the reservation.
*
* @var int
*/
public $year;
/**
* A user friendly display of the date of the reservation.
*
* @var string
*/
public $displayDate;
/**
* A user friendly display of the time of the reservation.
*
* @var type
*/
public $displayTime;
/**
* The category to which the reserved room belongs.
*
* @var string
*/
public $roomCategory;
/**
* Possible lengths of time that would be allowed for a reservation
* starting on the date and time of this reservation.
*
* @var array
*/
public $validLengths;
/**
* Constructor for a reservation object.
*
* @param int $id
* (optional) The key of the record in the room_reservations database table,
* if the record already exists.
*/
public function __construct($id = NULL) {
if ($id) {
$sql = "SELECT * FROM {room_reservations} WHERE id = :id AND deleted = 'N'";
$record_count = 0;
$results = db_query($sql, array(':id' => $id));
foreach ($results as $data) {
$this->id = $id;
$this->date = $data->date;
$this->time = $data->time;
$this->length = $data->length;
$this->room = $data->room;
$this->name = $data->name;
$this->groupSize = $data->group_size;
$this->userName = $data->user_name;
$this->emailAddresses = $data->email_addresses;
$this->textmsg = $data->textmsg;
$this->carrier = $data->carrier;
$this->phone = $data->phone;
$record_count++;
}
}
}
}
/**
* Create an array of all the room categories.
*
* @return array
* An array representing all the room categories.
*/
function _room_reservations_categories() {
$categories = array();
$query = new EntityFieldQuery();
$query->entityCondition('entity_type', 'node')
->entityCondition('bundle', 'room_reservations_category')
// this partially makes sense - do not show Categories which are unpublished
// issue will be that Rooms maybe be published with categories that aren't.. which will be a mess
//->propertyCondition('status', NODE_PUBLISHED)
// dangerous as this does more than Order By as it does not include records which do not have this field set
// so let's make sure the Order field is REQUIRED
->fieldOrderBy('reservations_display_order', 'value', 'ASC');
$result = $query->execute();
if (isset($result['node'])) {
$cids = array_keys($result['node']);
$cat_objs = node_load_multiple($cids);
foreach ($cat_objs as $cat) {
$categories[$cat->nid] = array(
'nid' => $cat->nid,
'title' => check_plain($cat->title),
'advmin' => isset($cat->reservations_minadvbooking[LANGUAGE_NONE][0]['value']) ? $cat->reservations_minadvbooking[LANGUAGE_NONE][0]['value'] : 0,
'prebuffer' => $cat->reservations_prebuffer[LANGUAGE_NONE][0]['value'],
'postbuffer' => $cat->reservations_postbuffer[LANGUAGE_NONE][0]['value'],
);
}
}
return $categories;
}
/**
* Retrieve all the rooms from the database.
*
* @return array
* An array with each element representing a room that can be reserved.
*/
function _room_reservations_rooms() {
$rooms = array();
$query = new EntityFieldQuery();
$query->entityCondition('entity_type', 'node')
->entityCondition('bundle', 'room_reservations_room')
->propertyCondition('status', NODE_PUBLISHED)
// dangerous as this does more than Order By as it does not include records which do not have this field set
->fieldOrderBy('reservations_display_order', 'value', 'ASC');
$result = $query->execute();
if (isset($result['node'])) {
$rids = array_keys($result['node']);
$room_objs = node_load_multiple($rids);
foreach ($room_objs as $room) {
$rooms[$room->nid] = (array) $room;
}
}
return $rooms;
}
/**
* Determine the list ofmonths as far out as we have set Extended advanced booking.
*
* @return array
* Each element represents a month.
*/
function _room_reservations_current_months() {
// How far out do we want to set allowed hours for?
// build a list of the months we need to look at
$advance_days = variable_get('room_reservations_advance_extended', 180);
$found = false;
for ($x = 0; $x < $advance_days; $x++) {
if (date('m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y"))) != $found) {
$months[date('Y-m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")))]['m'] = date('n', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")));
$months[date('Y-m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")))]['mm'] = date('m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")));
$months[date('Y-m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")))]['y'] = date('Y', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")));
$found = date('m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")));
}
}
// Note: Month names are translated when they are displayed.
$names = array(
'Unused',
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December',
);
foreach ($months as $month) {
$item['display'] = $names[$month['m']] . ' ' . $month['y'];
$item['year'] = $month['y'];
$item['month'] = $month['m'];
$item['MM'] = $month['mm'];
$item['YYYY_MM'] = $month['y'] . '_' . $month['mm'];
$results[] = $item;
}
return $results;
}
/**
* Store daily open hours in the database.
*
* Initialize a record to store all of the daily open hours for a
* single month, and save the record in the room_reservations_variables
* table.
*
* @param int $year
* The year of the month being represented.
* @param int $month
* The month number of the month being represented.
* @param string $yyyy_mm
* The year and month of the month being represented in format YYYY_MM.
* @param int $array
* if TRUE return mo_hours array rather than creating db record
*
* @return object
* A database query result resource, or FALSE if the query was not executed
* correctly.
*/
function _room_reservations_create_mo_hours($year, $month, $yyyy_mm, $array = false) {
$mo_hours = array();
// Days in the month.
$days = date('t', mktime(0, 0, 0, $month, 1, $year));
$default_hours = unserialize(_room_reservations_get_variable('default_hours'));
if (!$default_hours) {
for ($x = 0; $x < $days; $x++) {
$mo_hours[] = 'D';
$mo_hours[] = '9999';
$mo_hours[] = '9999';
$mo_hours[] = '9999';
$mo_hours[] = '9999';
}
}
else {
for ($x = 0; $x < $days; $x++) {
// Day of week.
$dow = date('w', mktime(0, 0, 0, $month, $x + 1, $year));
$mo_hours[] = 'D';
$mo_hours[] = $default_hours[$dow * 4];
$mo_hours[] = $default_hours[($dow * 4) + 1];
$mo_hours[] = $default_hours[($dow * 4) + 2];
$mo_hours[] = $default_hours[($dow * 4) + 3];
}
}
$name = 'monthly_hours_' . $yyyy_mm;
if ($array) {
return $mo_hours;
}
else {
$result = _room_reservations_set_variable($name, serialize($mo_hours));
return $result;
}
}
/**
* Create reservations dates array.
*
* Create an array containing pertinent information about all the
* possible days for which a reservation can be made.
*
* 7.x-1.3 REV:
* - start of adding features on a per Category basis
* - for now let's just key this date's array by Cat ID
*
* @param int $selected_month
* The month of the day currently selected by the user
* @param int $selected_day
* The day of the month of the day currently selected by the user.
*
* @return array
* Information about each day for which a reservation can be made, including
* display name, day of the week, month name and number, day of the month,
* date in the format YYYY-MM-DD, whether the day is currently selected by
* the user, and whether the day is today.
*/
function _room_reservations_dates($selected_month = NULL, $selected_day = NULL, $keyed = false) {
// Determine date information (month, day, year, etc.) for each of these days.
$categories = _room_reservations_categories();
$dates = array();
foreach ($categories as $cat) {
$advancedaysmax = user_access('create room reservations extended')
? variable_get('room_reservations_advance_extended', 180)
: variable_get('room_reservations_advance_standard', 14);
$advancedaysmin = user_access('bypass minimum advance booking') ? 0 : $cat['advmin'];
for ($j = $advancedaysmin; $j < $advancedaysmax; $j++) {
$day = array();
$day['display'] = date("l, n/j", strtotime("now + " . $j . " days"));
$day['day-of-week'] = date("l", strtotime("now + " . $j . " days"));
$day['month'] = date("F", strtotime("now + " . $j . " days"));
$month_number = date("n", strtotime("now + " . $j . " days"));
$day['month-number'] = $month_number;
$sday = date("j", strtotime("now + " . $j . " days"));
$day['day'] = $sday;
$year = date("Y", strtotime("now + " . $j . " days"));
$day['year'] = $year;
// Determine the date selected by the user. If none selected, default to the first day.
if (($j == 0) && (!$selected_month) && (!$selected_day)) {
$day['selected'] = TRUE;
}
elseif (($selected_month == $month_number) && ($selected_day == $sday)) {
$day['selected'] = TRUE;
}
else {
$day['selected'] = FALSE;
}
// The date in YYYY-MM-DD format.
if ($month_number < 10) {
$month_number = str_pad($month_number, 2, '0', STR_PAD_LEFT);
}
if ($sday < 10) {
$sday = str_pad($sday, 2, '0', STR_PAD_LEFT);
}
$day['yyyymmdd'] = $year . "-" . $month_number . "-" . $sday;
$day['today'] = (($day['month-number'] == date('m')) &&
($day['day'] == date('j'))) ? TRUE : FALSE;
if ($keyed) {
$dates[$cat['nid']][$day['yyyymmdd']] = $day;
}
else {
$dates[$cat['nid']][] = $day;
}
}
}
return $dates;
}
/**
* Create an array representing every half hour time slot in a single day.
*
* @param string $option
* If set to 'limited', only include time slots in the array that are
* later in the day than the current time minus the longest possible
* reservation length.
*
* @return array
* An array representing reservable time slots in a single day.
*/
function _room_reservations_hours($option = NULL) {
//watchdog('rr', 'START');
$hours = array();
$x = 0;
$y = 0;
while ($x <= 23) {
$hours_entry = array();
$hour = ($x < 10) ? '0' . $x : $x;
if ($x == 0) {
$display_hour = 12;
}
elseif ($x <= 12) {
$display_hour = $x;
}
else {
$display_hour = $x - 12;
}
$minutes = ($y % 2) ? '30' : '00';
$time = $hour . $minutes;
$ampm = ($y < 24) ? t('AM') : t('PM');
if ($y == 0) {
// these shouldn't be wrapped in t() since we are just about to do a date() with them anyway
$display = 'Midnight';
}
elseif ($y == 24) {
$display = 'Noon';
}
else {
$display = $display_hour . ':' . $minutes . ' ' . $ampm;
}
// convert display to 24:00 format if required
if (variable_get('room_reservations_hour_format', 0)) {
$display = date('H:i', strtotime($display));
}
$class = ($y % 2) ? 'even' : 'odd';
$hours_node_time = $display_hour . ':' . $minutes . $ampm;
$hours_entry['time'] = $time;
$hours_entry['display'] = $display;
$hours_entry['hours node time'] = $hours_node_time;
$hours_entry['class'] = $class;
$hours_entry['open'] = TRUE;
$hours[] = $hours_entry;
if ($y % 2) {
$x++;
}
$y++;
}
// Only return time slots that are greater than the current time minus
// the maximum reservation length.
if ($option == 'limited') {
$max_length = user_access('create room reservations extended length')
? variable_get('room_reservations_max_length_extended', 120)
: variable_get('room_reservations_max_length_standard', 120);
$margin_time = ($max_length / 60) * 100;
if ($max_length % 60) {
$margin_time += 30;
}
$str_current_time = date('H') . date('i');
$int_current_time = intval($str_current_time);
$cutoff_time = $int_current_time - $margin_time;
$cutoff_time = ($cutoff_time < 0) ? 0 : $cutoff_time;
$limited_hours = array();
foreach ($hours as $time_slot) {
$time_slot_time = intval($time_slot['time']);
if ($time_slot_time > $cutoff_time) {
$limited_hours[] = $time_slot;
}
}
return $limited_hours;
}
else {
return $hours;
}
}
/**
* Create open hours array.
*
* Create an array of open hours information for each day for which a
* reservation can be made.
*
* NOTE - D6 version included only current month and next month since we could only book 15 days in advance
* since we can now book up to almost a year in advance; we need to redo how this is done
*
* @return array
* A two dimensional array, with the first dimension representing a single
* day for which a reservation can be made, and the second dimension
* representing information about the facility's open hours for that day, such
* as whether the facility is open that day, the number of open shifts,
* open and close hours, and a string that can be used to display the hours
* in a user friendly way.
*/
function _room_reservations_facility_hours($reset = FALSE) {
static $building_hours;
if (!isset($building_hours) || $reset) {
$building_hours = array();
if (user_access('create room reservations extended')) {
$advancedays = variable_get('room_reservations_advance_extended', 180);
}
else {
$advancedays = variable_get('room_reservations_advance_standard', 14);
}
// build a list of the months we need to look at
for ($x = 0; $x < $advancedays; $x++) {
$months[] = date('Y_m', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")));
}
$months = array_unique($months);
//$today = date('Y-m-d');
$mo_hours = array();
foreach ($months as $month) {
$mo_hours_this = unserialize(_room_reservations_get_variable('monthly_hours_' . $month));
if ($mo_hours_this) {
$mo_hours = array_merge($mo_hours, $mo_hours_this);
}
else {
$m = intval(drupal_substr($month, 5));
$year = drupal_substr($month, 0, 4);
$mo_hours_this = _room_reservations_create_mo_hours($year, $m, $month, true);
$mo_hours = array_merge($mo_hours, $mo_hours_this);
}
}
$start = (date('j') - 1) * 5;
for ($x = 0; $x < $advancedays; $x++) {
$yyyymmdd = date('Y-m-d', mktime(0, 0, 0, date("m"), date("d") + $x, date("Y")));
$first_shift_open = $mo_hours[($start + ($x * 5) + 1)];
$first_shift_close = $mo_hours[($start + ($x * 5) + 2)];
$second_shift_open = $mo_hours[($start + ($x * 5) + 3)];
$second_shift_close = $mo_hours[($start + ($x * 5) + 4)];
if (($first_shift_open == '9999') && ($first_shift_close == '9999') && ($second_shift_open == '9999') && ($second_shift_close == '9999')) {
$open = FALSE;
}
else {
$open = TRUE;
}
if (($open) && ($first_shift_open == '0000') && ($first_shift_close == '2400')) {
$open_24_hours = TRUE;
}
else {
$open_24_hours = FALSE;
}
if (!$open) {
$shifts = 0;
}
elseif ($open_24_hours) {
$shifts = 1;
}
elseif (($open) && ($second_shift_open == '9999') && ($second_shift_close == '9999')) {
$shifts = 1;
}
else {
$shifts = 2;
}
$day_hours = array(
$first_shift_open,
$first_shift_close,
$second_shift_open,
$second_shift_close,
);
$display = _room_reservations_hours_display($day_hours);
$hours_data = array(
'open' => $open,
'open_24_hours' => $open_24_hours,
'shifts' => $shifts,
'first_shift_open' => $first_shift_open,
'first_shift_close' => $first_shift_close,
'second_shift_open' => $second_shift_open,
'second_shift_close' => $second_shift_close,
'display' => $display,
);
$building_hours[($yyyymmdd)] = $hours_data;
}
}
return $building_hours;
}
/*
if ($this_day <= $dom) {
// This is a day in the current month.
$yyyymmdd_yyyy = $year;
$yyyymmdd_mm = $month;
if ($this_day < 10) {
$yyyymmdd_dd = '0' . $this_day;
}
else {
$yyyymmdd_dd = $this_day;
}
}
else {
// This is a day in the next month.
$yyyymmdd_yyyy = $next_month_year;
$yyyymmdd_mm = $next_month;
$next_month_day = $this_day - $dom;
if ($next_month_day < 10) {
$yyyymmdd_dd = '0' . $next_month_day;
}
else {
$yyyymmdd_dd = $next_month_day;
}
}*/
/**
* Creates a string for displaying the open hours for a single day.
*
* @param array $day_hours
* An array that represents the openning and closing hours for two
* separate shifts in a single day
*
* @return string
* A string that can be used to display the hours for a single day, such as
* 'Open 24 Hours' or 'Noon - 6:00 PM'.
*/
function _room_reservations_hours_display($day_hours) {
$hours = _room_reservations_hours();
$first_shift_open = $day_hours[0];
$first_shift_close = $day_hours[1];
$second_shift_open = $day_hours[2];
$second_shift_close = $day_hours[3];
// Closed.
if (($first_shift_open == '9999') &&
($first_shift_close == '9999') &&
($second_shift_open == '9999') &&
($second_shift_close == '9999')) {
return 'Closed';
}
// Open 24 hours.
if (($first_shift_open == '0000') &&
($first_shift_close == '2400')) {
return 'Open 24 Hours';
}
// One shift.
if (($second_shift_open == '9999') &&
($second_shift_close == '9999')) {
$first_shift_open_display
= _room_reservations_display_time($first_shift_open);
$first_shift_close_display
= _room_reservations_display_time($first_shift_close);
return $first_shift_open_display . ' - ' .
$first_shift_close_display;
}
// Two shifts.
$first_shift_open_display
= _room_reservations_display_time($first_shift_open);
$first_shift_close_display
= _room_reservations_display_time($first_shift_close);
$second_shift_open_display
= _room_reservations_display_time($second_shift_open);
$second_shift_close_display
= _room_reservations_display_time($second_shift_close);
return $first_shift_open_display . ' - ' .
$first_shift_close_display . ' and ' .
$second_shift_open_display . ' - ' .
$second_shift_close_display;
}
/**
* Create time slot array.
*
* Create an array with each element representing one of the 48 half hour time
* slots that make up a day.
*
* @return array
* An array with each element representing a half hour time slot.
*/
function _room_reservations_times() {
$times = array();
$hours = _room_reservations_hours();
foreach ($hours as $hour) {
$times[] = $hour['time'];
}
return $times;
}
/**
* Return time in display format.
*
* This function returns the time in display format (Midnight, 12:30 AM,
* 1:00 AM, etc.) for any time slot of the day given in military time
* format (0000, 0030, 0100, etc.).
*
* @param string $military_time
* Time of day represented in four digit military time.
*
* @return string
* Time of day represented as HH:MM AM.
*/
function _room_reservations_display_time($military_time) {
$hours = _room_reservations_hours();
$hours[] = array(
'time' => '2400',
'display' => 'Midnight',
);
foreach ($hours as $hour) {
$time = $hour['time'];
if ($time == $military_time) {
return $hour['display'];
}
}
return '';
}
/**
* Determine closing times.
*
* Determines which half hour time slots represent the last ones before the
* building closes.
*
* @param string $yyyymmdd
* The date for which close times are being determine, in the format
* YYYY-MM-DD.
*
* @return array
* An array representing the time slots just before closing. The array can
* contain 0, 1, or 2 items.
*/
function _room_reservations_close_times($yyyymmdd) {
$closing_times = array();
$_room_reservations_building_hours = _room_reservations_facility_hours();
$building_hours_day = $_room_reservations_building_hours[$yyyymmdd];
// 24 hours.
if ($building_hours_day['open_24_hours']) {
$next_day = date('Y-m-d', strtotime("$yyyymmdd +1 days"));
$next_day_first_time_slot_open
= _room_reservations_first_slot_open($next_day);
if (!$next_day_first_time_slot_open) {
$closing_times[] = '2330';
}
return $closing_times;
}
// First shift ends at midnight.
if ($building_hours_day['first_shift_close'] === '2400') {
$next_day = date('Y-m-d', strtotime("$yyyymmdd +1 days"));
$next_day_first_time_slot_open
= _room_reservations_first_slot_open($next_day);
if (!$next_day_first_time_slot_open) {
$closing_times[] = '2330';
}
return $closing_times;
}
// First shift does not end at midnight.
$time = $building_hours_day['first_shift_close'];
$hours = _room_reservations_hours();
$time_found = FALSE;
while (!$time_found) {
$time_slot = array_pop($hours);
if ($time_slot['time'] == $time) {
$time_found = TRUE;
}
}
$time_slot = array_pop($hours);
$int_second_shift_close = intval($building_hours_day['second_shift_close']);
$closing_times[] = $time_slot['time'];
// Second shift ends at midnight.
if (($building_hours_day['shifts'] == 2) &&
($int_second_shift_close == 2400)) {
$next_day = date('Y-m-d', strtotime("$yyyymmdd +1 days"));
$next_day_first_time_slot_open
= _room_reservations_first_slot_open($next_day);
if (!$next_day_first_time_slot_open) {
$closing_times[] = '2330';
}
}
// Second shift does not end at midnight.
if (($building_hours_day['shifts'] == 2) &&
($int_second_shift_close < 2400)) {
$time = $building_hours_day['second_shift_close'];
$hours = _room_reservations_hours();
$time_found = FALSE;
while (!$time_found) {
$time_slot = array_pop($hours);
if ($time_slot['time'] == $time) {
$time_found = TRUE;
}
}
$time_slot = array_pop($hours);
$closing_times[] = $time_slot['time'];
}
return $closing_times;
}
/**
* Determine if facility is open from midnight to 12:30 AM.
*
* Determines if the facility is open during the first half hour of the day,
* from midnight to 12:30 AM. This information is needed when determining if
* any particular half hour time slot is the last one before the building
* closes.
*
* @param string $yyyymmdd
* The date being examined, in the format YYYY-MM-DD.
*
* @return bool
* TRUE - The facility is open during the first half hour of the day.
* FALSE - The facility is not open during the first half hour of the day.
*/
function _room_reservations_first_slot_open($yyyymmdd) {
$_room_reservations_building_hours = _room_reservations_facility_hours();
$building_hours_day = $_room_reservations_building_hours[$yyyymmdd];
if (!$building_hours_day['open']) {
return FALSE;
}
if ($building_hours_day['open_24_hours']) {
return TRUE;
}
if ($building_hours_day['first_shift_open'] == '0000') {
return TRUE;
}
return FALSE;
}
/**
* Determine reservation start conflicts.
*
* Determines if a new reservation room, date and start time conflicts with a
* previously existing reservation.
*
* @param string $room
* The room that is being reserved.
* @param string $yyyymmdd
* The date of the start time for the reservation, in the format 'yyyy-mm-dd'.
* @param string $time
* The start time for the reservation, in military time. 9:00 AM is
* represented as '0900', and 9:00 PM is represented as '2100'.
*
* @return bool
* TRUE - A scheduling conflict was found.
* FALSE - A scheduling conflict was not found.
*/
function _room_reservations_start_conflicts($room, $yyyymmdd, $time) {
// Previous and next days.
$previous_day = date('Y-m-d', strtotime("$yyyymmdd -1 days"));
// Start times of other reservations that could conflict with this one.
// Since reservations are limited to 2 hours, we are interested in times that
// are less than or equal to the reservation time and greater than or equal
// to 90 minutes before the reservation time.
$max_length = user_access('create room reservations extended length') ? variable_get('room_reservations_max_length_extended', 120) : variable_get('room_reservations_max_length_standard', 120);
$max_slots = $max_length / 30;
$search_items = array();
for ($x = 0; $x < 8; $x++) {
$search_items = array(
'date' => '1999-01-01',
'start_time' => '9999',
'length' => 999,
);
}
$day = $yyyymmdd;
$hours = _room_reservations_hours();
$time_found = FALSE;
$time_slot = NULL;
while (!$time_found) {
$time_slot = array_pop($hours);
if ($time_slot['time'] == $time) {
$time_found = TRUE;
}
}
for ($x = 0; $x < $max_slots; $x++) {
if ($time_slot == NULL) {
$day = $previous_day;
$hours = _room_reservations_hours();
$time_slot = array_pop($hours);
}
$search_item['date'] = $day;
$search_item['start_time'] = $time_slot['time'];
$search_item['length'] = 30 * $x;
$search_items[] = $search_item;
$time_slot = array_pop($hours);
}
$sql = "
SELECT id FROM {room_reservations}
WHERE (
(deleted = 'N' AND room = :room AND date = :date0 AND time = :time0 AND length > :length0)
OR
(deleted = 'N' AND room = :room AND date = :date1 AND time = :time1 AND length > :length1)
OR
(deleted = 'N' AND room = :room AND date = :date2 AND time = :time2 AND length > :length2)
OR
(deleted = 'N' AND room = :room AND date = :date3 AND time = :time3 AND length > :length3)
OR
(deleted = 'N' AND room = :room AND date = :date4 AND time = :time4 AND length > :length4)
OR
(deleted = 'N' AND room = :room AND date = :date5 AND time = :time5 AND length > :length5)
OR
(deleted = 'N' AND room = :room AND date = :date6 AND time = :time6 AND length > :length6)
OR
(deleted = 'N' AND room = :room AND date = :date7 AND time = :time7 AND length > :length7)
)
";
$conflicts_found = FALSE;
$conflicts_found = db_query($sql, array(
':room' => $room,
':date0' => $search_items[0]['date'], ':time0' => $search_items[0]['start_time'], ':length0' => $search_items[0]['length'],
':date1' => $search_items[1]['date'], ':time1' => $search_items[1]['start_time'], ':length1' => $search_items[1]['length'],
':date2' => $search_items[2]['date'], ':time2' => $search_items[2]['start_time'], ':length2' => $search_items[2]['length'],
':date3' => $search_items[3]['date'], ':time3' => $search_items[3]['start_time'], ':length3' => $search_items[3]['length'],
':date4' => $search_items[4]['date'], ':time4' => $search_items[4]['start_time'], ':length4' => $search_items[4]['length'],
':date5' => $search_items[5]['date'], ':time5' => $search_items[5]['start_time'], ':length5' => $search_items[5]['length'],
':date6' => $search_items[6]['date'], ':time6' => $search_items[6]['start_time'], ':length6' => $search_items[6]['length'],
':date7' => $search_items[7]['date'], ':time7' => $search_items[7]['start_time'], ':length7' => $search_items[7]['length'])
)->rowCount();
return $conflicts_found;
}
/**
* Determine valid reservation lengths of time.
*
* Determines which lengths of time are valid for a reservation for a particular
* room starting at particular time. Valid lengths are limited by the
* following:
* (1) Previously scheduled reservations.
* (2) Building close times.
* (3) Last time slot of the day. Reservations possibly end 15 minutes before
* the building closes.
*
* @param string $room
* The room that is being reserved.
* @param string $yyyymmdd
* The date of the start time for the reservation, in the format 'yyyy-mm-dd'.
* @param string $time
* The start time for the reservation, in military time.
* 9:00 AM is represented as '0900', and 9:00 PM is represented as '2100'.
* @param int $id
* The id of the reservation being made.
* @param int $all
* By default we do not check the first time slot since it should be true or we wouldn't have been able to pick it on calendar
* but, for repeating reserverations we need to check all slots.
*
* @return array
* An array with an element for each possible reservation length of time,
* and an indicator showing whether that particular length is valid for the
* reservation being made.
*/
function _room_reservations_valid_lengths($rid, $yyyymmdd, $time, $id = NULL, $all = FALSE) {
// let's first ensure this is a valid RID
$rooms = _room_reservations_rooms();
if (!isset($rooms[$rid])) {
return null;
}
$max_length = user_access('create room reservations extended length')
? variable_get('room_reservations_max_length_extended', 120)
: variable_get('room_reservations_max_length_standard', 120);
$max_slots = $max_length / 30;
$valid_lengths = array();
for ($x = 30; $x <= $max_length; $x += 30) {
$valid_lengths[] = array(
'length' => $x,
'is_valid' => TRUE,
);
}
// Divide the maximum reservation length into 30 minute time slots and determine the start date and time of each of these slots.
$search_items = array();
// Time slots for the first day.
$day = $yyyymmdd;
$hours = _room_reservations_hours();
$x = 0;
$include = FALSE;
foreach ($hours as $time_slot) {
if ($time_slot['time'] == $time) {
$include = TRUE;
}
if ($include) {
$search_item['date'] = $day;
$search_item['start_time'] = $time_slot['time'];
$search_items[] = $search_item;
$x++;
}
if ($x == $max_slots) {
$include = FALSE;
break;
}
}
// If it's possible for the reservation to span 2 days, get the time slots
// for the subsequent day.
if ($x < $max_slots) {
$include = TRUE;
$day = date('Y-m-d', strtotime("$yyyymmdd +1 days"));
$hours = _room_reservations_hours();
foreach ($hours as $time_slot) {
if ($include) {
$search_item['date'] = $day;
$search_item['start_time'] = $time_slot['time'];
$search_items[] = $search_item;
$x++;
}
if ($x == $max_slots) {
$include = FALSE;
break;
}
}
}
// Determine if the reservation at each possible length would conflict with another reservation. If so, set is_valid for that length to FALSE.
// The first time slot has already been validated and does not need to be checked again.
if ($all) {
$start = 0;
}
else {
$start = 1;
}
for ($x = $start; $x < $max_slots; $x++) {
$valid_length = $valid_lengths[$x];
if ($valid_length['is_valid']) {
$search_item = $search_items[$x];
$date = $search_item['date'];
$start_time = $search_item['start_time'];
$conflicts_found = false;
$query = new EntityFieldQuery();
$query->entityCondition('entity_type', 'node')
->entityCondition('bundle', 'room_reservations_reservation')
->fieldCondition('reservation_date', 'value', $date, '=')
->fieldCondition('reservation_time', 'value', $start_time, '=')
->fieldCondition('reservation_room', 'target_id', $rid, '=')
// EFQ respects access so let's load the reservations as user 1 to make sure we get them all
->addMetaData('account', user_load(1));
// if editing a reservation (series) we need to not include any of the reservations in current series
if (arg(2) == 'edit') {
$nid = arg(1);
$res = node_load($nid);
if (isset($res->reservation_series_id[LANGUAGE_NONE][0]['value']) && $sid = $res->reservation_series_id[LANGUAGE_NONE][0]['value']) {
$query->fieldCondition('reservation_series_id', 'value', $sid, '!=');
}
}
$result = $query->execute();
if (isset($result['node'])) {
$conflicts_found = true;
for ($y = $x; $y < $max_slots; $y++) {
$valid_lengths[$y]['is_valid'] = FALSE;
}
}
}
}
// need to limit these valid lengths by a prebuffer if it exists for the category this room is in
// but only if not permissions to do this
if (!user_access('book over buffer')) {
$categories = _room_reservations_categories();
$rooms = _room_reservations_rooms();
$category = $categories[$rooms[$rid]['reservations_room_category'][LANGUAGE_NONE][0]['target_id']];
$preslots = $category['prebuffer'] / 30;
if ($preslots) {
foreach ($valid_lengths as $index => $length) {
if ($length['is_valid'] == false) {
$last = $index;
break;
}
}
if (isset($last)) {
for ($x = $last - $preslots; $x <= $last; $x++) {
$valid_lengths[$x]['is_valid'] = false;
}
}
}
}
// Determine if the reservation at each possible length would conflict with
// the hours that the building is closed. If so, set is_valid for that
// length to FALSE. The first time slot has already been validated and
// does not need to be checked again.
$_room_reservations_building_hours = _room_reservations_facility_hours();
for ($x = 0; $x < $max_slots; $x++) {
$valid_length = $valid_lengths[$x];
if ($valid_length['is_valid']) {
$conflicts_found = FALSE;
$search_item = $search_items[$x];
$date = $search_item['date'];
$start_time = $search_item['start_time'];
$building_hours_day = $_room_reservations_building_hours[$date];
// If building is closed, set conflict flag.
if (!$building_hours_day['open']) {
$conflicts_found = TRUE;
}
$int_start_time = intval($start_time);
$int_first_shift_open = intval($building_hours_day['first_shift_open']);
$int_first_shift_close = intval($building_hours_day['first_shift_close']);
// One shift.
if ((!$building_hours_day['open_24_hours']) && ($building_hours_day['shifts'] == 1) &&
(($int_start_time < $int_first_shift_open) || ($int_start_time >= $int_first_shift_close))) {
$conflicts_found = TRUE;
}
// Two shifts.
$int_second_shift_open = intval($building_hours_day['second_shift_open']);
$int_second_shift_close = intval($building_hours_day['second_shift_close']);
if ((!$building_hours_day['open_24_hours']) &&
($building_hours_day['shifts'] == 2) &&
(($int_start_time < $int_first_shift_open) ||
(($int_start_time >= $int_first_shift_close) &&
($int_start_time < $int_second_shift_open)) ||
($int_start_time >= $int_second_shift_close))
) {
$conflicts_found = TRUE;
}
if ($conflicts_found) {
for ($y = $x; $y < $max_slots; $y++) {
$valid_lengths[$y]['is_valid'] = FALSE;
}
}
}
}
/*
// Determine if the reservation at each possible length would be the last time
// slot before the building closes. If so, reduce the length of time for that
// time slot by 15 minutes. All reservations must end 15 minutes before the
// building closes.
$end_early = variable_get('room_reservations_end_early', 0);
if ($end_early) {
for ($x = 0; $x < $max_slots; $x++) {
$valid_length = $valid_lengths[$x];
if ($valid_length['is_valid']) {
$last_time_slot = FALSE;
$search_item = $search_items[$x];
$date = $search_item['date'];
$start_time = $search_item['start_time'];
$closing_times = _room_reservations_close_times($yyyymmdd);
if (in_array($start_time, $closing_times)) {
$normal_length = $valid_length['length'];
$adjusted_length = $normal_length - 15;
$valid_length['length'] = $adjusted_length;
$valid_lengths[$x] = $valid_length;
}
}
}
}
*/
return $valid_lengths;
}
/**
* Determine if the user has exceeded the maximum reservations per day.
*
* @global object $user
* Drupal user object.
*
* @param string $yyyymmdd
* The date for which maximum allowable reservations are being checked, in
* the format YYYY-MM-DD.
*
* @return bool
* TRUE - the maximum has been exceeded.
* FALSE - the maximum has not been exceeded.
*/
function _room_reservations_daily_max_exceeded($yyyymmdd) {
$max = variable_get('room_reservations_reservations_per_day', 1);
if (!$max) {
return FALSE;
}
global $user;
$query = new EntityFieldQuery();
$query->entityCondition('entity_type', 'node')
->entityCondition('bundle', 'room_reservations_reservation')
->propertyCondition('uid', $user->uid)
->fieldCondition('reservation_date', 'value', $yyyymmdd, '=');
$result = $query->execute();
if (isset($result['node'])) {
$rids = array_keys($result['node']);
}
$record_count = isset($rids) ? count($rids) : 0;
if ($record_count < $max) {
return FALSE;
}
else {
return TRUE;
}
}
/**
* Determine if the user has exceeded the total maximum number of reservations.
*
* @global object $user
* Drupal user object.
*
* @return bool
* TRUE - the maximum has been exceeded.
* FALSE - the maximum has not been exceeded.
*/
function _room_reservations_user_max_exceeded() {
$max = variable_get('room_reservations_reservations_per_user', 4);
if (!$max) {
return FALSE;
}
global $user;
$yyyymmdd = date('Y-m-d');
$query = new EntityFieldQuery();
$query->entityCondition('entity_type', 'node')
->entityCondition('bundle', 'room_reservations_reservation')
->propertyCondition('uid', $user->uid)
->fieldCondition('reservation_date', 'value', $yyyymmdd, '>=');
$result = $query->execute();
if (isset($result['node'])) {
$rids = array_keys($result['node']);
}
$record_count = isset($rids) ? count($rids) : 0;
if ($record_count < $max) {
return FALSE;
}
else {
return TRUE;
}
}
/**
* Create friendlier error message.
*
* This function works with the room_reservations_res_form_validate()
* function. When a user is filling out the form to reserve a room, it is
* possible that before she can submit the form, someone else will complete a
* reservation for that same room, same date, and some of the same time.
* If that should occur, and the user has requested a length of time that
* is no longer available, Drupal automatically creates the following error:
* 'An illegal choice has been detected. Please contact the site
* administrator.' Since this message is somewhat alarming to the user
* and not at all informative, it is replaced in this function with a more
* descriptive message.
*
* @param string $message
* A Drupal error message.
*
* @return object
* A string with a more user friendly message, or FALSE to indicate that
* no change needs to be made to the error message.
*/
function room_reservations_rewrite_error($message) {
if (strpos($message, 'An illegal choice has been detected. Please contact
the site administrator.') !== FALSE) {
return t('This room is no longer available for the length of time that
you selected. Please choose one of the lengths listed below.');
}
return FALSE;
}
/**
* Find the current user's reservations for the next 14 days.
*
* @global object $user
* A Drupal user object.
*
* @return array
* An array with each element representing one reservation that the user has
* made.
*/
function _room_reservations_user_reservations() {
$user_reservations = array();
$all_hours = _room_reservations_hours();
global $user;
if ($user->uid) {
$earliest_date = date('Y-m-d', strtotime(date('Y-m-d')));
$latest_date = date('Y-m-d', strtotime("now +13 days"));
$query = new EntityFieldQuery();
$query->entityCondition('entity_type', 'node')
->entityCondition('bundle', 'room_reservations_reservation')
->propertyCondition('uid', $user->uid)
->fieldCondition('reservation_date', 'value', $earliest_date, '>=')
->fieldCondition('reservation_date', 'value', $latest_date, '<=')
->fieldOrderBy('reservation_date', 'value', 'DESC')
->fieldOrderBy('reservation_time', 'value', 'DESC');
$result = $query->execute();
if (isset($result['node'])) {
$result_nids = array_keys($result['node']);
$results = entity_load('node', $result_nids);
foreach ($results as $data) {
$reservation = array();
$reservation['id'] = $data->nid;
$unix_timestamp = strtotime($data->reservation_date[LANGUAGE_NONE][0]['value']);
$reservation['date'] = date("l, n/j", $unix_timestamp);
$reservation['time'] = '';
foreach ($all_hours as $time_slot) {
if ($time_slot['time'] == $data->reservation_time[LANGUAGE_NONE][0]['value']) {
$reservation['time'] = $time_slot['display'];
break;
}
}
$user_reservations[] = $reservation;
}
}
}
return $user_reservations;
}
/**
* Get list of wireless carriers.
*
* Retrieve from the database all of the wireless carriers that have been
* added to the application by the administrator.
*
* @return array
* An array representing the carriers.
*/
function _room_reservations_carriers() {
$carriers = array();
$sql = "SELECT * FROM {room_reservations_variables} WHERE name = 'carrier' ORDER BY value";
$results = db_query($sql);
foreach ($results as $data) {
$carrier = explode('~', $data->value);
$id = $data->id;
$carriers[$id] = check_plain($carrier[0]);
}
return $carriers;
}
/**
* Get a carrier's sms address.
*
* When sending an sms text message, obtain the sms email address of the user's
* wireless carrier.
*
* @param int $carrier
* The user's wireless carrier, as selected on the reservation form.
*
* @return string
* The email address of the user's wireless carrier.
*/
function _room_reservations_carrier_address($carrier) {
$carrier_address = '';
$sql = "SELECT * FROM {room_reservations_variables} WHERE name = 'carrier' ORDER BY id";
$results = db_query($sql);
foreach ($results as $data) {
$car = explode('~', $data->value);
$id = $data->id;
if ($id == $carrier) {
$carrier_address = check_plain($car[1]);
break;
}
}
return $carrier_address;
}
/**
* Send an sms text message.
*
* @param string $message_type
* Indicates whether the message is a confirmation or a reminder.
* @param array $params
* Reservation specific data to be inserted into the message template.
*/
function _room_reservations_send_sms($message_type, $params) {
$carrier_address = _room_reservations_carrier_address($params['carrier']);
$to = $params['phone'] . $carrier_address;
$subject = _room_reservations_replace_tokens(check_plain(
_room_reservations_get_variable('confirmation_header_text_sms')), $params);
$day_of_week = drupal_substr($params['day_of_week'], 0, 3) . '.';
if ($message_type == 'confirmation') {
$message_body = _room_reservations_replace_tokens(check_plain(
_room_reservations_get_variable('confirmation_text_sms')), $params);
}
elseif ($message_type == 'reminder') {
$message_body = _room_reservations_replace_tokens(check_plain(
_room_reservations_get_variable('reminder_text_sms')), $params);
}
$message = wordwrap($message_body, 70);
$from = _room_reservations_get_variable('from_address_sms');
$headers = "From: " . $from;
mail($to, $subject, $message, $headers);
}
/**
* Replace tokens in messages.
*
* Inserts reservation specific information in email and text messages
* sent as confirmation and reminder of reservations.
*
* @param string $text
* The email or text message.
* @param array $parameters
* Reservation specific information to be inserted into the message.
*
* @return string
* The email or text message updated with reservation specific information.
*/
function _room_reservations_replace_tokens($text, $parameters) {
$tokens = array(
'%reservation_name' => $parameters['name'],
'%room' => $parameters['room'],
'%month_number' => $parameters['month_number'],
'%month' => $parameters['month'],
'%day_of_the_week' => $parameters['day_of_week'],
'%day' => $parameters['day'],
'%time' => $parameters['time'],
'%minutes' => $parameters['minutes'],
);
foreach ($tokens as $key => $value) {
$text = str_replace($key, $value, $text);
}
return $text;
}
/**
* Determines the default email address added to the reservation form.
*
* @global object $user
* The user object.
*
* @return string
* Email address.
*/
function _room_reservations_default_email() {
$default_option = _room_reservations_get_variable('default_email_address');
$default_domain = _room_reservations_get_variable('default_email_domain');
if (!isset($default_option)) {
return '';
}
elseif ($default_option == 0) {
return '';
}
elseif ($default_option == 1) {
global $user;
$logged_in = ($user->uid);
$email = ($logged_in) ? $user->name : '';
return $email;
}
elseif ($default_option == 2) {
global $user;
$logged_in = ($user->uid);
$email = ($logged_in) ? $user->name . $default_domain : '';
return $email;
}
}
/**
* Get a variable from the room_reservations_variables table.
*
* @param string $key
* The key used to identify the variable.
*
* @return object
* The value of the variable, or FALSE, if a record could not be found with
* the supplied $key.
*/
function _room_reservations_get_variable($key) {
$sql = "SELECT value FROM {room_reservations_variables} WHERE name = :name";
$result = db_query($sql, array(':name' => $key))->fetchField();
if ($result) {
return $result;
}
else {
return FALSE;
}
}
/**
* Save a module variable.
*
* Set a variable in the room_reservations_variables table. If a record
* with the key exists, update it. If a record with the key does not exist,
* insert a new record.
*
* @param string $key
* The key used to identify the variable.
* @param object $value
* The value of the variable.
*
* @return object
* A database query result resource.
*/
function _room_reservations_set_variable($key, $value) {
$sql = "SELECT id FROM {room_reservations_variables} WHERE name = :name";
$id = db_query($sql, array(':name' => $key))->fetchField();
if ($id) {
$sql = "UPDATE {room_reservations_variables} SET value = :value WHERE id = :id";
$result = db_query($sql, array(':value' => $value, ':id' => $id));
return $result;
}
else {
$sql = "INSERT INTO {room_reservations_variables} (name, value) VALUES (:name, :value)";
$result = db_query($sql, array(':name' => $key, ':value' => $value));
return $result;
}
}
/**
* Delete a variable in the room_reservations_variables table.
*
* @param string $key
* The key used to identify the variable.
*
* @return object
* A database query result resource, or FALSE if the record to be deleted
* could not be found in the database.
*/
function _room_reservations_delete_variable($key) {
$sql = "SELECT id FROM {room_reservations_variables} WHERE name = :name";
$id = db_query($sql, array(':name' => $key))->fetchField();
if ($id) {
$sql = "DELETE FROM {room_reservations_variables} WHERE id = :id";
$result = db_query($sql, array(':id' =>$id));
return $result;
}
return FALSE;
}
function _room_reservations_is_slot_free($rid, $yyyymmdd, $time, $length) {
$slots = _room_reservations_valid_lengths($rid, $yyyymmdd, $time, NULL, true);
foreach ($slots as $slot) {
if ($slot['length'] == $length && $slot['is_valid']) {
return true;
}
}
return false;
}
function _room_reservations_yyyymmdd($month, $day) {
// determine if this year or next year
$yearnow = date('Y');
$absdaynow = date('z');
$absdaydefault = date('z', mktime(0, 0, 0, $month, $day, $yearnow));
if ($absdaynow > $absdaydefault) {
$year = $yearnow + 1;
}
else {
$year = $yearnow;
}
return date('Y-m-d', strtotime($year . '-' . $month . '-' . $day));
}