2016-11-12 23:00:46 +01:00
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<?php
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namespace Engelsystem;
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/**
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* BO to represent if there are free slots on a shift for a given angeltype
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* and if signup for a given user is possible (or not, because of collisions, etc.)
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*/
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2017-01-02 03:57:23 +01:00
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class ShiftSignupState
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{
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2017-01-02 15:43:36 +01:00
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/**
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* Shift has free places
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*/
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const FREE = 'FREE';
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/**
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* Shift collides with users shifts
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*/
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const COLLIDES = 'COLLIDES';
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/**
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* User cannot join because of a restricted angeltype or user is not in the angeltype
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*/
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const ANGELTYPE = 'ANGELTYPE';
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/**
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* Shift is full
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*/
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const OCCUPIED = 'OCCUPIED';
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/**
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* User is admin and can do what he wants.
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*/
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const ADMIN = 'ADMIN';
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/**
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* Shift has already ended, no signup
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*/
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const SHIFT_ENDED = 'SHIFT_ENDED';
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2017-12-03 04:05:02 +01:00
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/**
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* Shift is not available yet
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*/
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const NOT_YET = 'NOT_YET';
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2017-01-02 15:43:36 +01:00
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/**
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* User is already signed up
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*/
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const SIGNED_UP = 'SIGNED_UP';
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2017-12-25 23:12:52 +01:00
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2017-12-20 23:05:46 +01:00
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/**
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* User has to be arrived
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*/
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const NOT_ARRIVED = 'NOT_ARRIVED';
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2017-12-25 23:12:52 +01:00
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2017-01-03 03:22:48 +01:00
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/** @var string */
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2017-01-02 03:57:23 +01:00
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private $state;
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2016-11-12 23:00:46 +01:00
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2017-01-03 03:22:48 +01:00
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/** @var int */
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2017-01-02 03:57:23 +01:00
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private $freeEntries;
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2016-11-12 23:00:46 +01:00
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2017-01-03 03:22:48 +01:00
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/**
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* ShiftSignupState constructor.
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*
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* @param string $state
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* @param int $free_entries
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*/
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2017-01-02 03:57:23 +01:00
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public function __construct($state, $free_entries)
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{
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$this->state = $state;
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$this->freeEntries = $free_entries;
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}
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2016-11-12 23:00:46 +01:00
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2017-01-02 15:43:36 +01:00
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/**
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* Combine this state with another state from the same shift.
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*
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2017-12-25 23:12:52 +01:00
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* @param ShiftSignupState $shiftSignupState The other state to combine
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2017-01-02 15:43:36 +01:00
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*/
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public function combineWith(ShiftSignupState $shiftSignupState)
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{
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$this->freeEntries += $shiftSignupState->getFreeEntries();
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if ($this->valueForState($shiftSignupState->state) > $this->valueForState($this->state)) {
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$this->state = $shiftSignupState->state;
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}
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}
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2016-12-29 15:24:57 +01:00
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2017-01-03 03:22:48 +01:00
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/**
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* @param string $state
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* @return int
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*/
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2017-01-02 03:57:23 +01:00
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private function valueForState($state)
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{
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switch ($state) {
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2017-12-20 23:05:46 +01:00
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case ShiftSignupState::NOT_ARRIVED:
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2019-06-04 19:26:50 +02:00
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case ShiftSignupState::NOT_YET:
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2017-01-02 15:43:36 +01:00
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case ShiftSignupState::SHIFT_ENDED:
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return 100;
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case ShiftSignupState::SIGNED_UP:
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return 90;
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case ShiftSignupState::FREE:
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return 80;
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case ShiftSignupState::ANGELTYPE:
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case ShiftSignupState::COLLIDES:
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return 70;
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case ShiftSignupState::OCCUPIED:
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case ShiftSignupState::ADMIN:
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return 60;
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2019-06-04 19:26:50 +02:00
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2017-01-03 03:22:48 +01:00
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default:
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return 0;
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2017-01-02 15:43:36 +01:00
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}
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2016-11-12 23:00:46 +01:00
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}
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2017-01-02 15:43:36 +01:00
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/**
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* Returns true, if signup is allowed
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2017-01-03 03:22:48 +01:00
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*
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* @return bool
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2017-01-02 15:43:36 +01:00
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*/
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public function isSignupAllowed()
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{
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switch ($this->state) {
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case ShiftSignupState::FREE:
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case ShiftSignupState::ADMIN:
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return true;
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}
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2017-12-25 23:12:52 +01:00
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2017-01-02 15:43:36 +01:00
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return false;
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}
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/**
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* Return the shift signup state
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2017-01-03 03:22:48 +01:00
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*
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* @return string
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2017-01-02 15:43:36 +01:00
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*/
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public function getState()
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{
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return $this->state;
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2017-01-02 03:57:23 +01:00
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}
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2016-11-12 23:00:46 +01:00
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2017-01-02 15:43:36 +01:00
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/**
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* How many places are free in this shift for the angeltype?
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2017-01-03 03:22:48 +01:00
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*
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* @return int
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2017-01-02 15:43:36 +01:00
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*/
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public function getFreeEntries()
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{
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return $this->freeEntries;
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2016-11-12 23:00:46 +01:00
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}
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}
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