src/applications/ponder/controller/PonderAnswerSaveController.php

   1 <?php
   2
   3 final class PonderAnswerSaveController extends PonderController {
   4
   5   public function handleRequest(AphrontRequest $request) {
   6     $viewer = $request->getViewer();
   7
   8     if (!$request->isFormPost()) {
   9       return new Aphront400Response();
  10     }
  11
  12     $question_id = $request->getInt('question_id');
  13     $question = id(new PonderQuestionQuery())
  14       ->setViewer($viewer)
  15       ->withIDs(array($question_id))
  16       ->needAnswers(true)
  17       ->executeOne();
  18     if (!$question) {
  19       return new Aphront404Response();
  20     }
  21
  22     $content = $request->getStr('answer');
  23
  24     if (!strlen(trim($content))) {
  25       $dialog = id(new AphrontDialogView())
  26         ->setUser($viewer)
  27         ->setTitle(pht('Empty Answer'))
  28         ->appendChild(
  29           phutil_tag('p', array(), pht('Your answer must not be empty.')))
  30         ->addCancelButton('/Q'.$question_id);
  31
  32       return id(new AphrontDialogResponse())->setDialog($dialog);
  33     }
  34
  35     $answer = PonderAnswer::initializeNewAnswer($viewer, $question);
  36
  37     // Question Editor
  38
  39     $xactions = array();
  40     $xactions[] = id(new PonderQuestionTransaction())
  41       ->setTransactionType(PonderQuestionAnswerTransaction::TRANSACTIONTYPE)
  42       ->setNewValue(
  43         array(
  44           '+' => array(
  45             array('answer' => $answer),
  46           ),
  47         ));
  48
  49     $editor = id(new PonderQuestionEditor())
  50       ->setActor($viewer)
  51       ->setContentSourceFromRequest($request);
  52
  53     $editor->applyTransactions($question, $xactions);
  54
  55     // Answer Editor
  56
  57     $template = id(new PonderAnswerTransaction());
  58     $xactions = array();
  59
  60     $xactions[] = id(clone $template)
  61       ->setTransactionType(PonderAnswerQuestionIDTransaction::TRANSACTIONTYPE)
  62       ->setNewValue($question->getID());
  63
  64     $xactions[] = id(clone $template)
  65       ->setTransactionType(PonderAnswerContentTransaction::TRANSACTIONTYPE)
  66       ->setNewValue($content);
  67
  68     $editor = id(new PonderAnswerEditor())
  69       ->setActor($viewer)
  70       ->setContentSourceFromRequest($request)
  71       ->setContinueOnNoEffect(true);
  72
  73     $editor->applyTransactions($answer, $xactions);
  74
  75
  76     return id(new AphrontRedirectResponse())->setURI(
  77       id(new PhutilURI('/Q'.$question->getID())));
  78   }
  79 }