ManiphestSubscribeController.php
a5dc9067af0cproduction

ManiphestSubscribeController.php
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			<?php

			final class ManiphestSubscribeController extends ManiphestController {

			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();

			$task = id(new ManiphestTaskQuery())
			->setViewer($user)
			->withIDs(array($this->id))
			->executeOne();
			if (!$task) {
			return new Aphront404Response();
			}

			$ccs = $task->getCCPHIDs();
			switch ($this->action) {
			case 'add':
			$ccs[] = $user->getPHID();
			break;
			case 'rem':
			$ccs = array_diff($ccs, array($user->getPHID()));
			break;
			default:
			return new Aphront400Response();
			}

			$xaction = id(new ManiphestTransaction())
			->setTransactionType(ManiphestTransaction::TYPE_CCS)
			->setNewValue($ccs);

			$editor = id(new ManiphestTransactionEditor())
			->setActor($user)
			->setContentSourceFromRequest($request)
			->setContinueOnNoEffect(true)
			->setContinueOnMissingFields(true)
			->applyTransactions($task, array($xaction));

			return id(new AphrontRedirectResponse())->setURI('/T'.$task->getID());
			}
			}