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   1  <?php
   2  
   3  final class PhabricatorApplicationTransactionNoEffectResponse
   4    extends AphrontProxyResponse {
   5  
   6    private $viewer;
   7    private $exception;
   8    private $cancelURI;
   9  
  10    public function setCancelURI($cancel_uri) {
  11      $this->cancelURI = $cancel_uri;
  12      return $this;
  13    }
  14  
  15    public function setException(
  16      PhabricatorApplicationTransactionNoEffectException $exception) {
  17      $this->exception = $exception;
  18      return $this;
  19    }
  20  
  21    protected function buildProxy() {
  22      return new AphrontDialogResponse();
  23    }
  24  
  25    public function reduceProxyResponse() {
  26      $request = $this->getRequest();
  27  
  28      $ex = $this->exception;
  29      $xactions = $ex->getTransactions();
  30  
  31      $type_comment = PhabricatorTransactions::TYPE_COMMENT;
  32      $only_empty_comment = (count($xactions) == 1) &&
  33        (head($xactions)->getTransactionType() == $type_comment);
  34  
  35      $count = new PhutilNumber(count($xactions));
  36  
  37      if ($ex->hasAnyEffect()) {
  38        $title = pht('%d Action(s) With No Effect', $count);
  39        $head = pht('Some of your %d action(s) have no effect:', $count);
  40        $tail = pht('Apply remaining actions?');
  41        $continue = pht('Apply Remaining Actions');
  42      } else if ($ex->hasComment()) {
  43        $title = pht('Post as Comment');
  44        $head = pht('The %d action(s) you are taking have no effect:', $count);
  45        $tail = pht('Do you want to post your comment anyway?');
  46        $continue = pht('Post Comment');
  47      } else if ($only_empty_comment) {
  48        // Special case this since it's common and we can give the user a nicer
  49        // dialog than "Action Has No Effect".
  50        $title = pht('Empty Comment');
  51        $head = null;
  52        $tail = null;
  53        $continue = null;
  54      } else {
  55        $title = pht('%d Action(s) Have No Effect', $count);
  56        $head = pht('The %d action(s) you are taking have no effect:', $count);
  57        $tail = null;
  58        $continue = null;
  59      }
  60  
  61      $dialog = id(new AphrontDialogView())
  62        ->setUser($request->getUser())
  63        ->setTitle($title);
  64  
  65      $dialog->appendChild($head);
  66  
  67      $list = array();
  68      foreach ($xactions as $xaction) {
  69        $list[] = phutil_tag(
  70          'li',
  71          array(),
  72          $xaction->getNoEffectDescription());
  73      }
  74  
  75      $dialog->appendChild(phutil_tag('ul', array(), $list));
  76      $dialog->appendChild($tail);
  77  
  78      if ($continue) {
  79        $passthrough = $request->getPassthroughRequestParameters();
  80        foreach ($passthrough as $key => $value) {
  81          $dialog->addHiddenInput($key, $value);
  82        }
  83        $dialog->addHiddenInput('__continue__', 1);
  84        $dialog->addSubmitButton($continue);
  85      }
  86  
  87      $dialog->addCancelButton($this->cancelURI);
  88  
  89      return $this->getProxy()->setDialog($dialog);
  90    }
  91  
  92  }