PholioImageReplaceTransaction.php
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PholioImageReplaceTransaction.php
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	<?php

	final class PholioImageReplaceTransaction
	extends PholioImageTransactionType {

	const TRANSACTIONTYPE = 'image-replace';

	public function generateOldValue($object) {
	$new_image = $this->getNewValue();
	return $new_image->getReplacesImagePHID();
	}

	public function generateNewValue($object, $value) {
	return $value->getPHID();
	}

	public function applyInternalEffects($object, $value) {
	$old = $this->getOldValue();
	$images = $object->getImages();
	foreach ($images as $seq => $image) {
	if ($image->getPHID() == $old) {
	$image->setIsObsolete(1);
	$image->save();
	unset($images[$seq]);
	}
	}
	$object->attachImages($images);
	}

	public function getTitle() {
	return pht(
	'%s replaced %s with %s.',
	$this->renderAuthor(),
	$this->renderOldHandle(),
	$this->renderNewHandle());
	}

	public function getTitleForFeed() {
	return pht(
	'%s updated images of %s.',
	$this->renderAuthor(),
	$this->renderObject());
	}

	public function getIcon() {
	return 'fa-picture-o';
	}

	public function getColor() {
	return PhabricatorTransactions::COLOR_YELLOW;
	}

	public function mergeTransactions(
	$object,
	PhabricatorApplicationTransaction $u,
	PhabricatorApplicationTransaction $v) {
	$u_img = $u->getNewValue();
	$v_img = $v->getNewValue();
	if ($u_img->getReplacesImagePHID() == $v_img->getReplacesImagePHID()) {
	return $v;
	}
	}

	public function extractFilePHIDs($object, $value) {
	return array($value);
	}

	}