/**
* @param Event $event
* @return Entry[]
*
* @throws Exception\RuntimeException
* @throws Zend\Di\Exception\ClassNotFoundException
*/
public function process(Event $event)
{
$entries = new ArrayCollection();
$eventRange = new DateRange($event->start, $event->end);
if ($eventRange->isEmpty()) {
return $entries;
}
$rule = $event->rule;
if ($rule === null) {
throw new Exception\RuntimeException(sprintf('The event %s has no associated rule.', $event->id));
}
$config = $this->getMatchingConfiguration($rule, $eventRange->getStart());
if ($config->end < $eventRange->getEnd()) {
throw new Exception\RuntimeException(sprintf('The rule configuration %s from %s to %s does not' . ' cover the desired range %s to %s.', $config->id, $config->start->format('Y-m-d'), $config->end->format('Y-m-d'), $eventRange->getStart()->format('Y-m-d'), $eventRange->getEnd()->format('Y-m-d')));
}
$strategy = $this->di->get($config->strategy);
if (!$strategy instanceof StrategyInterface) {
throw new Exception\RuntimeException(sprintf('The class %s does not implement %s.', get_class($strategy), 'Tillikum\\Billing\\Event\\Strategy\\StrategyInterface'));
}
$strategyEntries = $strategy->process($event, $config);
foreach ($strategyEntries as $entry) {
if ($event->is_credit) {
$entry->amount *= -1;
}
$entries->add($entry);
}
return $entries;
}
public function process(Event $event, RuleConfig $config)
{
$entries = new ArrayCollection();
$configRange = new DateRange($config->start, $config->end);
$eventRange = new DateRange($event->start, $event->end);
if ($configRange->isEmpty()) {
return $entries;
}
$amountPerRange = new Money($config->amount, $config->currency);
$configDays = (int) $configRange->getStart()->diff($configRange->getEnd())->format('%R%a') + 1;
$totalDays = (int) $eventRange->getStart()->diff($eventRange->getEnd())->format('%R%a') + 1;
// If we match up nicely, just bill at the fixed value and we're done
if ($eventRange->equals($configRange)) {
$rangeTotal = $amountPerRange;
$entry = new Entry();
$entry->amount = $rangeTotal->round(2);
$entry->currency = $rangeTotal->getCurrency();
$entry->code = $config->code;
$entry->description = sprintf('%s to %s (%s %s) @ %s for the entire range', $event->start->format('Y-m-d'), $event->end->format('Y-m-d'), $totalDays, $totalDays == 1 ? 'day' : 'days', $amountPerRange->format());
$entries->add($entry);
} else {
// (amount per fixed range / days in fixed range) * days billed
$proratedTotal = $amountPerRange->div($configDays)->mul($totalDays);
$entry = new Entry();
$entry->amount = $proratedTotal->round(2);
$entry->currency = $proratedTotal->getCurrency();
$entry->code = $config->code;
$entry->description = sprintf('%s to %s (%s %s) @ %s for part of %s to %s (%s %s) (prorated daily)', $event->start->format('Y-m-d'), $event->end->format('Y-m-d'), $totalDays, $totalDays == 1 ? 'day' : 'days', $amountPerRange->format(), $configRange->getStart()->format('Y-m-d'), $configRange->getEnd()->format('Y-m-d'), $configDays, $configDays == 1 ? 'day' : 'days');
$entries->add($entry);
}
return $entries;
}
