98 lines
1.9 KiB
PHP
98 lines
1.9 KiB
PHP
<?php
|
|
|
|
namespace Engelsystem;
|
|
|
|
/**
|
|
* BO to represent if there are free slots on a shift for a given angeltype
|
|
* and if signup for a given user is possible (or not, because of collisions, etc.)
|
|
*/
|
|
class ShiftSignupState {
|
|
|
|
/**
|
|
* Shift has free places
|
|
*/
|
|
const FREE = 'FREE';
|
|
|
|
/**
|
|
* Shift collides with users shifts
|
|
*/
|
|
const COLLIDES = 'COLLIDES';
|
|
|
|
/**
|
|
* User cannot join because of a restricted angeltype or user is not in the angeltype
|
|
*/
|
|
const ANGELTYPE = 'ANGELTYPE';
|
|
|
|
/**
|
|
* Shift is full
|
|
*/
|
|
const OCCUPIED = 'OCCUPIED';
|
|
|
|
/**
|
|
* User is admin and can do what he wants.
|
|
*/
|
|
const ADMIN = 'ADMIN';
|
|
|
|
/**
|
|
* Shift has already ended, no signup
|
|
*/
|
|
const SHIFT_ENDED = 'SHIFT_ENDED';
|
|
|
|
/**
|
|
* User is already signed up
|
|
*/
|
|
const SIGNED_UP = 'SIGNED_UP';
|
|
|
|
private $state;
|
|
|
|
private $freeEntries;
|
|
|
|
public function __construct($state, $free_entries) {
|
|
$this->state = $state;
|
|
$this->freeEntries = $free_entries;
|
|
}
|
|
|
|
/**
|
|
* Combine this state with another state from the same shift.
|
|
*
|
|
* @param ShiftSignupState $shiftSignupState
|
|
* The other state to combine
|
|
*/
|
|
public function combineWith(ShiftSignupState $shiftSignupState) {
|
|
$this->freeEntries += $shiftSignupState->getFreeEntries();
|
|
|
|
switch ($this->state) {
|
|
case ShiftSignupState::ANGELTYPE:
|
|
case ShiftSignupState::FREE:
|
|
$this->state = $shiftSignupState->getState();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true, if signup is allowed
|
|
*/
|
|
public function isSignupAllowed() {
|
|
switch ($this->state) {
|
|
case ShiftSignupState::FREE:
|
|
case ShiftSignupState::ADMIN:
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Return the shift signup state
|
|
*/
|
|
public function getState() {
|
|
return $this->state;
|
|
}
|
|
|
|
/**
|
|
* How many places are free in this shift for the angeltype?
|
|
*/
|
|
public function getFreeEntries() {
|
|
return $this->freeEntries;
|
|
}
|
|
}
|
|
|
|
?>
|