diff options
Diffstat (limited to 'includes/model/ShiftSignupState.php')
-rw-r--r-- | includes/model/ShiftSignupState.php | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/includes/model/ShiftSignupState.php b/includes/model/ShiftSignupState.php new file mode 100644 index 00000000..f9226375 --- /dev/null +++ b/includes/model/ShiftSignupState.php @@ -0,0 +1,98 @@ +<?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::OCCUPIED: + $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; + } +} + +?>
\ No newline at end of file |