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phab/src/applications/differential/stats/DifferentialReviewerStats.php
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DifferentialReviewerStats.php
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<?php
/*
* Copyright 2012 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.
*/
final class DifferentialReviewerStats {
private $since = 0;
private $now;
public function setSince($value) {
$this->since = $value;
return $this;
}
public function setNow($value) {
$this->now = $value;
return $this;
}
public function computeTimes(
DifferentialRevision $revision,
array $comments) {
assert_instances_of($comments, 'DifferentialComment');
$add_rev = DifferentialComment::METADATA_ADDED_REVIEWERS;
$rem_rev = DifferentialComment::METADATA_REMOVED_REVIEWERS;
$date = $revision->getDateCreated();
// Find out original reviewers.
$reviewers = array_fill_keys($revision->getReviewers(), $date);
foreach (array_reverse($comments) as $comment) {
$metadata = $comment->getMetadata();
foreach (idx($metadata, $add_rev, array()) as $phid) {
unset($reviewers[$phid]);
}
foreach (idx($metadata, $rem_rev, array()) as $phid) {
$reviewers[$phid] = $date;
}
}
$reviewed = array();
$not_reviewed = array();
$status = ArcanistDifferentialRevisionStatus::NEEDS_REVIEW;
foreach ($comments as $comment) {
$date = $comment->getDateCreated();
$old_status = $status;
switch ($comment->getAction()) {
case DifferentialAction::ACTION_UPDATE:
if ($status != ArcanistDifferentialRevisionStatus::CLOSED &&
$status != ArcanistDifferentialRevisionStatus::ACCEPTED) {
$status = ArcanistDifferentialRevisionStatus::NEEDS_REVIEW;
}
break;
case DifferentialAction::ACTION_REQUEST:
case DifferentialAction::ACTION_RECLAIM:
$status = ArcanistDifferentialRevisionStatus::NEEDS_REVIEW;
break;
case DifferentialAction::ACTION_REJECT:
case DifferentialAction::ACTION_RETHINK:
$status = ArcanistDifferentialRevisionStatus::NEEDS_REVISION;
break;
case DifferentialAction::ACTION_ACCEPT:
$status = ArcanistDifferentialRevisionStatus::ACCEPTED;
break;
case DifferentialAction::ACTION_CLOSE:
$status = ArcanistDifferentialRevisionStatus::CLOSED;
break;
case DifferentialAction::ACTION_ABANDON:
$status = ArcanistDifferentialRevisionStatus::ABANDONED;
break;
}
// Update current reviewers.
$metadata = $comment->getMetadata();
foreach (idx($metadata, $add_rev, array()) as $phid) {
// If someone reviewed a revision without being its reviewer then give
// him zero response time.
$reviewers[$phid] = $date;
}
foreach (idx($metadata, $rem_rev, array()) as $phid) {
$start = idx($reviewers, $phid);
if ($start !== null) {
if ($date >= $this->since) {
$reviewed[$phid][] = $date - $start;
}
unset($reviewers[$phid]);
}
}
// TODO: Respect workdays.
if ($old_status != $status) {
if ($status == ArcanistDifferentialRevisionStatus::NEEDS_REVIEW) {
$reviewers = array_fill_keys(array_keys($reviewers), $date);
} else if ($date >= $this->since) {
if ($old_status == ArcanistDifferentialRevisionStatus::NEEDS_REVIEW) {
foreach ($reviewers as $phid => $start) {
if ($phid == $comment->getAuthorPHID()) {
$reviewed[$phid][] = $date - $start;
} else {
$not_reviewed[$phid][] = $date - $start;
}
}
}
}
}
}
if ($status == ArcanistDifferentialRevisionStatus::NEEDS_REVIEW) {
$now = ($this->now !== null ? $this->now : time());
if ($now >= $this->since) {
foreach ($reviewers as $phid => $start) {
$not_reviewed[$phid][] = $now - $start;
}
}
}
return array($reviewed, $not_reviewed);
}
}
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