src/applications/almanac/xaction/AlmanacDeviceStatusTransaction.php

   1 <?php
   2
   3 final class AlmanacDeviceStatusTransaction
   4   extends AlmanacDeviceTransactionType {
   5
   6   const TRANSACTIONTYPE = 'almanac:device:status';
   7
   8   public function generateOldValue($object) {
   9     return $object->getStatus();
  10   }
  11
  12   public function applyInternalEffects($object, $value) {
  13     $object->setStatus($value);
  14   }
  15
  16   public function getTitle() {
  17     $old_value = $this->getOldValue();
  18     $new_value = $this->getNewValue();
  19
  20     $old_status = AlmanacDeviceStatus::newStatusFromValue($old_value);
  21     $new_status = AlmanacDeviceStatus::newStatusFromValue($new_value);
  22
  23     $old_name = $old_status->getName();
  24     $new_name = $new_status->getName();
  25
  26     return pht(
  27       '%s changed the status of this device from %s to %s.',
  28       $this->renderAuthor(),
  29       $this->renderValue($old_name),
  30       $this->renderValue($new_name));
  31   }
  32
  33   public function validateTransactions($object, array $xactions) {
  34     $errors = array();
  35
  36     $status_map = AlmanacDeviceStatus::getStatusMap();
  37
  38     $old_value = $this->generateOldValue($object);
  39     foreach ($xactions as $xaction) {
  40       $new_value = $xaction->getNewValue();
  41
  42       if ($new_value === $old_value) {
  43         continue;
  44       }
  45
  46       if (!isset($status_map[$new_value])) {
  47         $errors[] = $this->newInvalidError(
  48           pht(
  49             'Almanac device status "%s" is unrecognized. Valid status '.
  50             'values are: %s.',
  51             $new_value,
  52             implode(', ', array_keys($status_map))),
  53           $xaction);
  54         continue;
  55       }
  56     }
  57
  58     return $errors;
  59   }
  60
  61 }