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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked SchedulerBooked SchedulereIt is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later versBooked SchedulerduleIt is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
alBooked SchedulercheduleIt. If not, see <http://www.gnu.org/licenses/>.
*/
interface ICalendarDay
{
public function Date();
public function DayOfMonth();
public function Weekday();
public function IsHighlighted();
public function IsUnimportant();
public function AddReservation($reservation);
public function GetAdjustedStartDate($reservation);
}
class CalendarDay implements ICalendarDay, ICalendarSegment
{
/**
* @var \Date
*/
private $date;
/**
* @var bool
*/
private $isHighlighted = false;
/**
* @var array|CalendarReservation[]
*/
private $reservations = array();
public function __construct(Date $date)
{
$this->date = $date->GetDate();
if ($this->date->DateEquals(Date::Now()))
{
$this->Highlight();
}
}
/**
* @return int
*/
public function DayOfMonth()
{
return $this->date->Day();
}
/**
* @return int
*/
public function Weekday()
{
return $this->date->Weekday();
}
/**
* @return int
*/
public function IsHighlighted()
{
return $this->isHighlighted;
}
private function Highlight()
{
$this->isHighlighted = true;
}
private static $nullInstance = null;
/**
* @static
* @return CalendarDay
*/
public static function Null()
{
if (self::$nullInstance == null)
{
self::$nullInstance = new NullCalendarDay();
}
return self::$nullInstance;
}
/**
* @return array|CalendarReservation[]
*/
public function Reservations()
{
return $this->reservations;
}
/**
* @param $reservation CalendarReservation
* @return void
*/
public function AddReservation($reservation)
{
if ( ($this->StartsBefore($reservation) || $this->StartsOn($reservation)) && ($this->EndsOn($reservation) || $this->EndsAfter($reservation)) )
{
$this->reservations[] = $reservation;
}
}
/**
* @param $reservation CalendarReservation
* @return bool
*/
private function StartsBefore($reservation)
{
return $this->date->DateCompare($reservation->StartDate) >= 0;
}
/**
* @param $reservation CalendarReservation
* @return bool
*/
private function StartsOn($reservation)
{
return $this->date->DateEquals($reservation->StartDate);
}
/**
* @param $reservation CalendarReservation
* @return bool
*/
private function EndsAfter($reservation)
{
return $this->date->DateCompare($reservation->EndDate) < 0;
}
/**
* @param $reservation CalendarReservation
* @return bool
*/
private function EndsOn($reservation)
{
return $this->date->DateEquals($reservation->EndDate);
}
/**
* @param $reservation CalendarReservation
* @return Date
*/
public function GetAdjustedStartDate($reservation)
{
if ($reservation->StartDate->DateCompare($this->date) < 0)
{
return $this->date;
}
return $reservation->StartDate;
}
public function IsUnimportant()
{
return false;
}
/**
* @return Date
*/
public function Date()
{
return $this->date;
}
/**
* @return Date
*/
public function FirstDay()
{
return $this->date->GetDate();
}
/**
* @return Date
*/
public function LastDay()
{
return $this->date->AddDays(1)->GetDate();
}
/**
* @param $reservations array|CalendarReservation[]
* @return void
*/
public function AddReservations($reservations)
{
/** @var $reservation CalendarReservation */
foreach ($reservations as $reservation)
{
$this->AddReservation($reservation);
}
}
/**
* @return string|CalendarTypes
*/
public function GetType()
{
return CalendarTypes::Day;
}
/**
* @return Date
*/
public function GetPreviousDate()
{
return $this->date->AddDays(-1);
}
/**
* @return Date
*/
public function GetNextDate()
{
return $this->date->AddDays(1);
}
}
class NullCalendarDay implements ICalendarDay
{
public function __construct()
{
}
public function Weekday()
{
return null;
}
public function IsHighlighted()
{
return false;
}
public function DayOfMonth()
{
return null;
}
public function Reservations()
{
return array();
}
public function AddReservation($reservation)
{
// no-op
}
public function GetAdjustedStartDate($reservation)
{
return NullDate::Instance();
}
public function IsUnimportant()
{
return true;
}
public function Date()
{
return NullDate::Instance();
}
}
?>