/**
* @param Section $section
* @param array $ids
*
* @return array $contributions
*/
public function compareContributions(Section $section, $ids)
{
$contributions = $this->contributionRepository->findyBySectionAndIds($section, $ids);
$titleDiff = new HtmlDiff($contributions[0]->getTitle(), $contributions[1]->getTitle(), false);
$textDiff = new HtmlDiff($contributions[0]->getText(), $contributions[1]->getText(), true);
$contribution = new Contribution();
$contribution->setText($textDiff->outputDiff()->toString());
$contribution->setTitle($titleDiff->outputDiff()->toString());
$contribution->setContributor($contributions[1]->getContributor());
$contribution->setCreationDate($contributions[1]->getCreationDate());
$contributions[1] = $contribution;
return $contributions;
}
function areCachablyDifferent(Guzzle\Http\Message\Response $oldResp, Guzzle\Http\Message\Response $newResp)
{
if (hasMicroformats($oldResp) and hasMicroformats($newResp)) {
// if mf changed, probably significantly different enough to warrant a new cache entry
return mfForResponse($oldResp) != mfForResponse($newResp);
} else {
// look for last-updated header
if ($newResp->getLastModified() != null) {
$lastModified = new DateTime($newResp->getLastModified());
$lastArchived = new DateTime($oldResp->getDate());
return $lastModified > $lastArchived;
}
$differ = new HtmlDiff($oldResp->getBody(true), $newResp->getBody(true), true);
$mods = $differ->outputDiff()->getModifications();
// to do : figure out a sensible threshold here
return max($mods) > 2;
}
}
/**
* @param Objects $repo
* @param $objectKey
* @param $origItem
* @return string
*/
protected function generateDiff(Objects $repo, $objectKey, $origItem)
{
$pk = $repo->getObjectPk($objectKey, $origItem);
$currentItem = $repo->get($objectKey, $pk);
$definition = $repo->getDefinition($objectKey);
$changes = [];
foreach ($definition->getFields() as $field) {
if ($field->hasFieldType() && !$field->getFieldType()->isDiffAllowed()) {
//todo, check $field->isDiffAllowed() as well
continue;
}
$k = $field->getId();
if (!isset($origItem[$k]) || !isset($currentItem[$k])) {
continue;
}
if (!is_string($origItem[$k]) && !is_numeric($origItem[$k])) {
continue;
}
if (!is_string($currentItem[$k]) && !is_numeric($currentItem[$k])) {
continue;
}
$from = strip_tags($origItem[$k]);
$to = strip_tags($currentItem[$k]);
if ($from != $to) {
$htmlDiff = new HtmlDiff($from, $to, true);
$out = $htmlDiff->outputDiff();
$changes[$k] = $out->toString();
}
}
$message = [];
foreach ($changes as $changedKey => $diff) {
if ($field = $definition->getField($changedKey)) {
$message[] = ($field->getLabel() ?: $field->getId()) . ': ' . $diff;
}
}
return $message ? '<div class="change">' . implode('</div><div class="change">', $message) . '</div>' : '';
}
