HeraldDeleteController.php
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	<?php

	final class HeraldDeleteController extends HeraldController {

	private $id;

	public function getFilter() {
	// note this controller is only used from a dialog-context at the moment
	// and there is actually no "delete" filter
	return 'delete';
	}

	public function willProcessRequest(array $data) {
	$this->id = $data['id'];
	}

	public function processRequest() {

	$rule = id(new HeraldRule())->load($this->id);
	if (!$rule) {
	return new Aphront404Response();
	}

	$request = $this->getRequest();
	$user = $request->getUser();

	// Anyone can delete a global rule, but only the rule owner can delete a
	// personal one.
	if ($rule->getRuleType() == HeraldRuleTypeConfig::RULE_TYPE_PERSONAL) {
	if ($user->getPHID() != $rule->getAuthorPHID()) {
	return new Aphront400Response();
	}
	}

	if ($request->isFormPost()) {
	$rule->openTransaction();
	$rule->logEdit($user->getPHID(), 'delete');
	$rule->delete();
	$rule->saveTransaction();
	return id(new AphrontReloadResponse())->setURI('/herald/');
	}

	$dialog = new AphrontDialogView();
	$dialog->setUser($request->getUser());
	$dialog->setTitle(pht('Really delete this rule?'));
	$dialog->appendChild(pht(
	"Are you sure you want to delete the rule: %s?",
	$rule->getName()));
	$dialog->addSubmitButton(pht('Delete'));
	$dialog->addCancelButton('/herald/');
	$dialog->setSubmitURI($request->getPath());

	return id(new AphrontDialogResponse())->setDialog($dialog);

	}

	}