DifferentialSubscribeController.php
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DifferentialSubscribeController.php
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	<?php

	final class DifferentialSubscribeController extends DifferentialController {

	private $id;
	private $action;

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

	public function processRequest() {

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

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

	if (!$request->isFormPost()) {
	$dialog = new AphrontDialogView();

	switch ($this->action) {
	case 'add':
	$button = 'Subscribe';
	$title = 'Subscribe to Revision';
	$prompt = 'Really subscribe to this revision?';
	break;
	case 'rem':
	$button = 'Unsubscribe';
	$title = 'Unsubscribe from Revision';
	$prompt = 'Really unsubscribe from this revision? Herald will '.
	'not resubscribe you to a revision you unsubscribe '.
	'from.';
	break;
	default:
	return new Aphront400Response();
	}

	$dialog
	->setUser($user)
	->setTitle($title)
	->appendChild('<p>'.$prompt.'</p>')
	->setSubmitURI($request->getRequestURI())
	->addSubmitButton($button)
	->addCancelButton('/D'.$revision->getID());

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

	$revision->loadRelationships();
	$phid = $user->getPHID();

	switch ($this->action) {
	case 'add':
	DifferentialRevisionEditor::addCCAndUpdateRevision(
	$revision,
	$phid,
	$phid);
	break;
	case 'rem':
	DifferentialRevisionEditor::removeCCAndUpdateRevision(
	$revision,
	$phid,
	$phid);
	break;
	default:
	return new Aphront400Response();
	}

	return id(new AphrontRedirectResponse())->setURI('/D'.$revision->getID());
	}
	}