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PhabricatorSlowvotePollController.php
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Sun, Dec 29, 00:46

PhabricatorSlowvotePollController.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class PhabricatorSlowvotePollController
extends PhabricatorSlowvoteController {
private $id;
public function willProcessRequest(array $data) {
$this->id = $data['id'];
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$viewer_phid = $user->getPHID();
$poll = id(new PhabricatorSlowvotePoll())->load($this->id);
if (!$poll) {
return new Aphront404Response();
}
$options = id(new PhabricatorSlowvoteOption())->loadAllWhere(
'pollID = %d',
$poll->getID());
$choices = id(new PhabricatorSlowvoteChoice())->loadAllWhere(
'pollID = %d',
$poll->getID());
$comments = id(new PhabricatorSlowvoteComment())->loadAllWhere(
'pollID = %d',
$poll->getID());
$choices_by_option = mgroup($choices, 'getOptionID');
$comments_by_user = mpull($comments, null, 'getAuthorPHID');
$choices_by_user = mgroup($choices, 'getAuthorPHID');
$viewer_choices = idx($choices_by_user, $viewer_phid, array());
$viewer_comment = idx($comments_by_user, $viewer_phid, null);
$comment_text = null;
if ($viewer_comment) {
$comment_text = $viewer_comment->getCommentText();
}
if ($request->isFormPost()) {
$comment = idx($comments_by_user, $viewer_phid, null);
if ($comment) {
$comment->delete();
}
$comment_text = $request->getStr('comments');
if (strlen($comment_text)) {
id(new PhabricatorSlowvoteComment())
->setAuthorPHID($viewer_phid)
->setPollID($poll->getID())
->setCommentText($comment_text)
->save();
}
$votes = $request->getArr('vote');
switch ($poll->getMethod()) {
case PhabricatorSlowvotePoll::METHOD_PLURALITY:
// Enforce only one vote.
$votes = array_slice($votes, 0, 1);
break;
case PhabricatorSlowvotePoll::METHOD_APPROVAL:
// No filtering.
break;
default:
throw new Exception("Unknown poll method!");
}
foreach ($viewer_choices as $viewer_choice) {
$viewer_choice->delete();
}
foreach ($votes as $vote) {
id(new PhabricatorSlowvoteChoice())
->setAuthorPHID($viewer_phid)
->setPollID($poll->getID())
->setOptionID($vote)
->save();
}
return id(new AphrontRedirectResponse())->setURI('/V'.$poll->getID());
}
require_celerity_resource('phabricator-slowvote-css');
$phids = array_merge(
mpull($choices, 'getAuthorPHID'),
mpull($comments, 'getAuthorPHID'),
array(
$poll->getAuthorPHID(),
));
$handles = id(new PhabricatorObjectHandleData($phids))->loadHandles();
if ($poll->getShuffle()) {
shuffle($options);
}
$option_markup = array();
foreach ($options as $option) {
$option_markup[] = $this->renderPollOption(
$poll,
$viewer_choices,
$option);
}
$option_markup = implode("\n", $option_markup);
$comments_by_option = array();
switch ($poll->getMethod()) {
case PhabricatorSlowvotePoll::METHOD_PLURALITY:
$choice_ids = array();
foreach ($choices_by_user as $user_phid => $choices) {
$choice_ids[$user_phid] = head($choices)->getOptionID();
}
foreach ($comments as $comment) {
$choice = idx($choice_ids, $comment->getAuthorPHID());
if ($choice) {
$comments_by_option[$choice][] = $comment;
}
}
break;
case PhabricatorSlowvotePoll::METHOD_APPROVAL:
// All comments are grouped in approval voting.
break;
default:
throw new Exception("Unknown poll method!");
}
$result_markup = $this->renderResultMarkup(
$poll,
$options,
$choices,
$comments,
$viewer_choices,
$choices_by_option,
$comments_by_option,
$handles);
if ($viewer_choices) {
$instructions =
'Your vote has been recorded... but there is still ample time to '.
'rethink your position. Have you thoroughly considered all possible '.
'eventualities?';
} else {
$instructions =
'This is a weighty matter indeed. Consider your choices with the '.
'greatest of care.';
}
$form = id(new AphrontFormView())
->setUser($user)
->appendChild(
'<p class="aphront-form-instructions">'.$instructions.'</p>')
->appendChild(
id(new AphrontFormMarkupControl())
->setLabel('Vote')
->setValue($option_markup))
->appendChild(
id(new AphrontFormTextAreaControl())
->setLabel('Comments')
->setHeight(AphrontFormTextAreaControl::HEIGHT_SHORT)
->setName('comments')
->setValue($comment_text))
->appendChild(
id(new AphrontFormSubmitControl())
->setValue('Cautiously Engage in Deliberations'));
$panel = new AphrontPanelView();
$panel->setHeader(phutil_escape_html($poll->getQuestion()));
$panel->setWidth(AphrontPanelView::WIDTH_WIDE);
$panel->appendChild($form);
$panel->appendChild('<br /><br />');
$panel->appendChild($result_markup);
return $this->buildStandardPageResponse(
$panel,
array(
'title' => 'V'.$poll->getID().' '.$poll->getQuestion(),
));
}
private function renderComments(array $comments, array $handles) {
$viewer = $this->getRequest()->getUser();
$factory = new DifferentialMarkupEngineFactory();
$engine = $factory->newDifferentialCommentMarkupEngine();
$comment_markup = array();
foreach ($comments as $comment) {
$handle = $handles[$comment->getAuthorPHID()];
$markup = $engine->markupText($comment->getCommentText());
require_celerity_resource('phabricator-remarkup-css');
$comment_markup[] =
'<tr>'.
'<th>'.
$handle->renderLink().
'<div class="phabricator-slowvote-datestamp">'.
phabricator_datetime($comment->getDateCreated(), $viewer).
'</div>'.
'<td>'.
'<div class="phabricator-remarkup">'.
$markup.
'</div>'.
'</td>'.
'</tr>';
}
if ($comment_markup) {
$comment_markup = phutil_render_tag(
'table',
array(
'class' => 'phabricator-slowvote-comments',
),
implode("\n", $comment_markup));
} else {
$comment_markup = null;
}
return $comment_markup;
}
private function renderPollOption(
PhabricatorSlowvotePoll $poll,
array $viewer_choices,
PhabricatorSlowvoteOption $option) {
$id = $option->getID();
switch ($poll->getMethod()) {
case PhabricatorSlowvotePoll::METHOD_PLURALITY:
// Render a radio button.
$selected_option = head($viewer_choices);
if ($selected_option) {
$selected = $selected_option->getOptionID();
} else {
$selected = null;
}
if ($selected == $id) {
$checked = "checked";
} else {
$checked = null;
}
$input = phutil_render_tag(
'input',
array(
'type' => 'radio',
'name' => 'vote[]',
'value' => $id,
'checked' => $checked,
));
break;
case PhabricatorSlowvotePoll::METHOD_APPROVAL:
// Render a check box.
$checked = null;
foreach ($viewer_choices as $choice) {
if ($choice->getOptionID() == $id) {
$checked = 'checked';
break;
}
}
$input = phutil_render_tag(
'input',
array(
'type' => 'checkbox',
'name' => 'vote[]',
'checked' => $checked,
'value' => $id,
));
break;
default:
throw new Exception("Unknown poll method!");
}
if ($checked) {
$checked_class = 'phabricator-slowvote-checked';
} else {
$checked_class = null;
}
return phutil_render_tag(
'label',
array(
'class' => 'phabricator-slowvote-label '.$checked_class,
),
$input.phutil_escape_html($option->getName()));
}
private function renderVoteCount(
PhabricatorSlowvotePoll $poll,
array $choices,
array $chosen) {
switch ($poll->getMethod()) {
case PhabricatorSlowvotePoll::METHOD_PLURALITY:
$out_of_total = count($choices);
break;
case PhabricatorSlowvotePoll::METHOD_APPROVAL:
// Count unique respondents for approval votes.
$out_of_total = count(mpull($choices, null, 'getAuthorPHID'));
break;
default:
throw new Exception("Unknown poll method!");
}
return sprintf(
'%d / %d (%d%%)',
number_format(count($chosen)),
number_format($out_of_total),
$out_of_total
? round(100 * count($chosen) / $out_of_total)
: 0);
}
private function renderResultMarkup(
PhabricatorSlowvotePoll $poll,
array $options,
array $choices,
array $comments,
array $viewer_choices,
array $choices_by_option,
array $comments_by_option,
array $handles) {
$viewer_phid = $this->getRequest()->getUser()->getPHID();
$can_see_responses = false;
$need_vote = false;
switch ($poll->getResponseVisibility()) {
case PhabricatorSlowvotePoll::RESPONSES_VISIBLE:
$can_see_responses = true;
break;
case PhabricatorSlowvotePoll::RESPONSES_VOTERS:
$can_see_responses = (bool)$viewer_choices;
$need_vote = true;
break;
case PhabricatorSlowvotePoll::RESPONSES_OWNER:
$can_see_responses = ($viewer_phid == $poll->getAuthorPHID());
break;
}
$result_markup = id(new AphrontFormLayoutView())
->appendChild('<h1>Ongoing Deliberation</h1>');
if (!$can_see_responses) {
if ($need_vote) {
$reason = "You must vote to see the results.";
} else {
$reason = "The results are not public.";
}
$result_markup
->appendChild(
'<p class="aphront-form-instructions"><em>'.$reason.'</em></p>');
return $result_markup;
}
foreach ($options as $option) {
$id = $option->getID();
$chosen = idx($choices_by_option, $id, array());
$users = array_select_keys($handles, mpull($chosen, 'getAuthorPHID'));
if ($users) {
$user_markup = array();
foreach ($users as $handle) {
$user_markup[] = $handle->renderLink();
}
$user_markup = implode('', $user_markup);
} else {
$user_markup = 'This option has failed to appeal to anyone.';
}
$comment_markup = $this->renderComments(
idx($comments_by_option, $id, array()),
$handles);
$vote_count = $this->renderVoteCount(
$poll,
$choices,
$chosen);
$result_markup->appendChild(
'<div>'.
'<div class="phabricator-slowvote-count">'.
$vote_count.
'</div>'.
'<h1>'.phutil_escape_html($option->getName()).'</h1>'.
'<hr class="phabricator-slowvote-hr" />'.
$user_markup.
'<hr class="phabricator-slowvote-hr" />'.
$comment_markup.
'</div>');
}
if ($poll->getMethod() == PhabricatorSlowvotePoll::METHOD_APPROVAL &&
$comments) {
$comment_markup = $this->renderComments(
$comments,
$handles);
$result_markup->appendChild(
'<h1>Motions Proposed for Consideration</h1>');
$result_markup->appendChild($comment_markup);
}
return $result_markup;
}
}

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