90 lines
2.3 KiB
PHP
90 lines
2.3 KiB
PHP
<?php
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namespace Engelsystem;
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use Engelsystem\Models\Shifts\ShiftSignupStatus;
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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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class ShiftSignupState
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{
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/** @var int */
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private $freeEntries;
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/**
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* ShiftSignupState constructor.
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*
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* @param ShiftSignupStatus $state
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* @param int $free_entries
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*/
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public function __construct(private ShiftSignupStatus $state, $free_entries)
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{
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$this->freeEntries = $free_entries;
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}
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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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* @param ShiftSignupState $shiftSignupState The other state to combine
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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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/**
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* @param ShiftSignupStatus $state
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* @return int
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*/
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private function valueForState(ShiftSignupStatus $state)
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{
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return match ($state) {
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ShiftSignupStatus::NOT_ARRIVED, ShiftSignupStatus::NOT_YET, ShiftSignupStatus::SHIFT_ENDED => 100,
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ShiftSignupStatus::SIGNED_UP => 90,
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ShiftSignupStatus::FREE => 80,
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ShiftSignupStatus::ANGELTYPE, ShiftSignupStatus::COLLIDES => 70,
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ShiftSignupStatus::OCCUPIED, ShiftSignupStatus::ADMIN => 60,
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default => 0,
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};
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}
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/**
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* Returns true, if signup is allowed
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*
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* @return bool
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*/
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public function isSignupAllowed()
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{
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return match ($this->state) {
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ShiftSignupStatus::FREE, ShiftSignupStatus::ADMIN => true,
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default => false,
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};
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}
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/**
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* Return the shift signup state
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*
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* @return ShiftSignupStatus
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*/
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public function getState(): ShiftSignupStatus
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{
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return $this->state;
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}
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/**
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* How many places are free in this shift for the angeltype?
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*
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* @return int
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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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}
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}
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