Remove ReleephRequestEvent

Summary: Ref T3663. This is obsolete code which is used only in this migration, which Facebook has already performed and which isn't relevant for any other installs.

Test Plan: `grep`

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T3663

Differential Revision: https://secure.phabricator.com/D6777

resources/sql/patches/20130508.releephtransactionsmig.php

@@ -1,131 +1,8 @@
 <?php
 
-echo "Migrating Releeph requests events to transactions...\n";
+// Previously, this migrated ReleephRequestEvents into ApplicationTransactions.
+// Only Facebook ever generated meaningful ReleephRequestEvent data, and has
+// already migrated, so this was cleaned up when ReleephRequestEvent was
+// removed.
 
-$table = new ReleephRequest();
-$table->openTransaction();
-$table->beginReadLocking();
-
-foreach (new LiskMigrationIterator($table) as $rq) {
-  printf("RQ%d:", $rq->getID());
-
-  $intents_cursor = array();
-  $last_pick_status = null;
-  $last_commit_id = null;
-
-  foreach ($rq->loadEvents() as $event) {
-    $author = $event->getActorPHID();
-    $details = $event->getDetails();
-
-    $content_source = PhabricatorContentSource::newForSource(
-      PhabricatorContentSource::SOURCE_UNKNOWN,
-      array('ReleephRequestEventID' => $event->getID()));
-
-    $xaction = id(new ReleephRequestTransaction())
-      ->setObjectPHID($rq->getPHID())
-      ->setAuthorPHID($author)
-      ->setContentSource($content_source)
-      ->setDateCreated($event->getDateCreated())
-      ->setDateModified($event->getDateModified())
-      ->setViewPolicy(PhabricatorPolicies::POLICY_PUBLIC)
-      ->setEditPolicy($author);
-
-    printf(" %s(#%d)", $event->getType(), $event->getID());
-
-    switch ($event->getType()) {
-      case ReleephRequestEvent::TYPE_COMMENT:
-        $xaction
-          ->setTransactionType(PhabricatorTransactions::TYPE_COMMENT)
-          ->save(); // to generate a PHID
-        $comment = id(new ReleephRequestTransactionComment())
-          ->setAuthorPHID($author)
-          ->setTransactionPHID($xaction->getPHID())
-          ->setViewPolicy(PhabricatorPolicies::POLICY_PUBLIC)
-          ->setEditPolicy($author)
-          ->setCommentVersion(1)
-          ->setContent($event->getComment())
-          ->setContentSource($content_source)
-          ->save();
-        $xaction
-          ->setCommentPHID($comment->getPHID())
-          ->setCommentVersion(1);
-        break;
-
-      case ReleephRequestEvent::TYPE_STATUS:
-        // Ignore STATUS events; these are legacy events that we no longer
-        // support anyway!
-        continue 2;
-
-      case ReleephRequestEvent::TYPE_USER_INTENT:
-        $old_intent = idx($intents_cursor, $author);
-        $new_intent = $event->getDetail('newIntent');
-        $xaction
-          ->setTransactionType(ReleephRequestTransaction::TYPE_USER_INTENT)
-          ->setMetadataValue('isAuthoritative', $event->getDetail('wasPusher'))
-          ->setOldValue($old_intent)
-          ->setNewValue($new_intent);
-        $intents_cursor[$author] = $new_intent;
-        break;
-
-      case ReleephRequestEvent::TYPE_PICK_STATUS:
-        $new_pick_status = $event->getDetail('newPickStatus');
-        $xaction
-          ->setTransactionType(ReleephRequestTransaction::TYPE_PICK_STATUS)
-          ->setOldValue($last_pick_status)
-          ->setNewValue($new_pick_status);
-        $last_pick_status = $new_pick_status;
-        break;
-
-      case ReleephRequestEvent::TYPE_COMMIT:
-        $new_commit_id = $event->getDetail('newCommitIdentifier');
-        $xaction
-          ->setTransactionType(ReleephRequestTransaction::TYPE_COMMIT)
-          ->setMetadataValue('action', $event->getDetail('action'))
-          ->setOldValue($last_commit_id)
-          ->setNewValue($new_commit_id);
-        $last_commit_id = $new_commit_id;
-        break;
-
-      case ReleephRequestEvent::TYPE_DISCOVERY:
-        $xaction
-          ->setTransactionType(ReleephRequestTransaction::TYPE_DISCOVERY)
-          ->setNewValue($event->getDetail('newCommitPHID'));
-        break;
-
-      case ReleephRequestEvent::TYPE_CREATE:
-        $xaction
-          ->setTransactionType(ReleephRequestTransaction::TYPE_REQUEST)
-          ->setOldValue(null)
-          ->setNewValue($rq->getRequestCommitPHID());
-        break;
-
-      case ReleephRequestEvent::TYPE_MANUAL_ACTION:
-        $xaction
-          ->setTransactionType(
-            ReleephRequestTransaction::TYPE_MANUAL_IN_BRANCH);
-        switch ($event->getDetail('action')) {
-          case 'pick':
-            $xaction->setNewValue(1);
-            break;
-
-          case 'revert':
-            $xaction->setNewValue(0);
-            break;
-        }
-        break;
-
-      default:
-        throw new Exception(sprintf(
-          "Unhandled ReleephRequestEvent type '%s' in RQ%d",
-          $event->getType(),
-          $rq->getID()));
-    }
-
-    $xaction->save();
-  }
-  echo("\n");
-}
-
-$table->endReadLocking();
-$table->saveTransaction();
-echo "Done.\n";
+echo "(This migration is obsolete.)\n";

src/__phutil_library_map__.php

@@ -1987,7 +1987,6 @@ phutil_register_library_map(array(
     'ReleephRequestCommentController' => 'applications/releeph/controller/request/ReleephRequestCommentController.php',
     'ReleephRequestDifferentialCreateController' => 'applications/releeph/controller/request/ReleephRequestDifferentialCreateController.php',
     'ReleephRequestEditController' => 'applications/releeph/controller/request/ReleephRequestEditController.php',
-    'ReleephRequestEvent' => 'applications/releeph/storage/request/ReleephRequestEvent.php',
     'ReleephRequestException' => 'applications/releeph/storage/request/exception/ReleephRequestException.php',
     'ReleephRequestHeaderListView' => 'applications/releeph/view/request/header/ReleephRequestHeaderListView.php',
     'ReleephRequestHeaderView' => 'applications/releeph/view/request/header/ReleephRequestHeaderView.php',
@@ -4189,7 +4188,6 @@ phutil_register_library_map(array(
     'ReleephRequestCommentController' => 'ReleephProjectController',
     'ReleephRequestDifferentialCreateController' => 'ReleephProjectController',
     'ReleephRequestEditController' => 'ReleephProjectController',
-    'ReleephRequestEvent' => 'ReleephDAO',
     'ReleephRequestException' => 'Exception',
     'ReleephRequestHeaderListView' => 'AphrontView',
     'ReleephRequestHeaderView' => 'AphrontView',

src/applications/releeph/storage/ReleephRequest.php

@@ -234,14 +234,6 @@ final class ReleephRequest extends ReleephDAO
     return $this->loadReleephBranch()->loadReleephProject();
   }
 
-  public function loadEvents() {
-    return $this->loadRelatives(
-      new ReleephRequestEvent(),
-      'releephRequestID',
-      'getID',
-      '(1 = 1) ORDER BY dateCreated, id');
-  }
-
   public function loadPhabricatorRepositoryCommit() {
     return $this->loadOneRelative(
       new PhabricatorRepositoryCommit(),

src/applications/releeph/storage/request/ReleephRequestEvent.php

@@ -1,94 +0,0 @@
-<?php
-
-final class ReleephRequestEvent extends ReleephDAO {
-
-  const TYPE_CREATE         = 'create';
-  const TYPE_STATUS         = 'status'; // old events
-  const TYPE_USER_INTENT    = 'user-intent';
-  const TYPE_PICK_STATUS    = 'pick-status';
-  const TYPE_COMMIT         = 'commit';
-  const TYPE_MANUAL_ACTION  = 'manual-action';
-  const TYPE_DISCOVERY      = 'discovery';
-  const TYPE_COMMENT        = 'comment';
-
-  protected $releephRequestID;
-  protected $type;
-  protected $actorPHID;
-  protected $details = array();
-
-  public function getConfiguration() {
-    return array(
-      self::CONFIG_SERIALIZATION => array(
-        'details' => self::SERIALIZATION_JSON,
-      ),
-    ) + parent::getConfiguration();
-  }
-
-  public function getDetail($key, $default = null) {
-    return idx($this->details, $key, $default);
-  }
-
-  public function setDetail($key, $value) {
-    $this->details[$key] = $value;
-    return $this;
-  }
-
-  private function setDetails(array $details) {
-    throw new Exception('Use setDetail()!');
-  }
-
-  public function setStatusBefore($status) {
-    return $this->setDetail('oldStatus', $status);
-  }
-
-  public function setStatusAfter($status) {
-    return $this->setDetail('newStatus', $status);
-  }
-
-  public function getStatusBefore() {
-    return $this->getDetail('oldStatus');
-  }
-
-  public function getStatusAfter() {
-    return $this->getDetail('newStatus');
-  }
-
-  public function getComment() {
-    return $this->getDetail('comment');
-  }
-
-  public function extractPHIDs() {
-    $phids = array();
-    $phids[] = $this->actorPHID;
-    foreach ($this->details as $key => $value) {
-      if (strpos($key, 'PHID') !== false || strpos($key, 'phid') !== false) {
-        $phids[] = $value;
-      }
-    }
-    return $phids;
-  }
-
-  public function canGroupWith(ReleephRequestEvent $next) {
-    if ($this->getActorPHID() != $next->getActorPHID()) {
-      return false;
-    }
-
-    if ($this->getComment() && $next->getComment()) {
-      return false;
-    }
-
-    // Break the chain if the next event changes the status
-    if ($next->getStatusBefore() != $next->getStatusAfter()) {
-      return false;
-    }
-
-    // Don't group if the next event starts off with a different status to the
-    // one we ended with.  This probably shouldn't ever happen.
-    if ($this->getStatusAfter() != $next->getStatusBefore()) {
-      return false;
-    }
-
-    return true;
-  }
-
-}