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phabricator/resources/sql/autopatches/20140212.dx.1.armageddon.php
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20140212.dx.1.armageddon.php
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<?php
$conn_w = id(new DifferentialRevision())->establishConnection('w');
$rows = new LiskRawMigrationIterator($conn_w, 'differential_comment');
$content_source = PhabricatorContentSource::newForSource(
PhabricatorOldWorldContentSource::SOURCECONST)->serialize();
echo pht('Migrating Differential comments to modern storage...')."\n";
foreach ($rows as $row) {
$id = $row['id'];
echo pht('Migrating comment %d...', $id)."\n";
$revision = id(new DifferentialRevision())->load($row['revisionID']);
if (!$revision) {
echo pht('No revision, continuing.')."\n";
continue;
}
$revision_phid = $revision->getPHID();
$comments = queryfx_all(
$conn_w,
'SELECT * FROM %T WHERE legacyCommentID = %d',
'differential_transaction_comment',
$id);
$main_comments = array();
$inline_comments = array();
foreach ($comments as $comment) {
if ($comment['changesetID']) {
$inline_comments[] = $comment;
} else {
$main_comments[] = $comment;
}
}
$metadata = json_decode($row['metadata'], true);
if (!is_array($metadata)) {
$metadata = array();
}
$key_cc = 'added-ccs';
$key_add_rev = 'added-reviewers';
$key_rem_rev = 'removed-reviewers';
$key_diff_id = 'diff-id';
$xactions = array();
// Build the main action transaction.
switch ($row['action']) {
case DifferentialAction::ACTION_COMMENT:
case DifferentialAction::ACTION_ADDREVIEWERS:
case DifferentialAction::ACTION_ADDCCS:
case DifferentialAction::ACTION_UPDATE:
case DifferentialTransaction::TYPE_INLINE:
// These actions will have their transactions created by other rules.
break;
default:
// Otherwise, this is a normal action (like an accept or reject).
$xactions[] = array(
'type' => DifferentialTransaction::TYPE_ACTION,
'old' => null,
'new' => $row['action'],
);
break;
}
// Build the diff update transaction, if one exists.
$diff_id = idx($metadata, $key_diff_id);
if (!is_scalar($diff_id)) {
$diff_id = null;
}
if ($diff_id || $row['action'] == DifferentialAction::ACTION_UPDATE) {
$xactions[] = array(
'type' => DifferentialRevisionUpdateTransaction::TRANSACTIONTYPE,
'old' => null,
'new' => $diff_id,
);
}
// Build the add/remove reviewers transaction, if one exists.
$add_rev = idx($metadata, $key_add_rev, array());
if (!is_array($add_rev)) {
$add_rev = array();
}
$rem_rev = idx($metadata, $key_rem_rev, array());
if (!is_array($rem_rev)) {
$rem_rev = array();
}
if ($add_rev || $rem_rev) {
$old = array();
foreach ($rem_rev as $phid) {
if (!is_scalar($phid)) {
continue;
}
$old[$phid] = array(
'src' => $revision_phid,
'type' => DifferentialRevisionHasReviewerEdgeType::EDGECONST,
'dst' => $phid,
);
}
$new = array();
foreach ($add_rev as $phid) {
if (!is_scalar($phid)) {
continue;
}
$new[$phid] = array(
'src' => $revision_phid,
'type' => DifferentialRevisionHasReviewerEdgeType::EDGECONST,
'dst' => $phid,
);
}
$xactions[] = array(
'type' => PhabricatorTransactions::TYPE_EDGE,
'old' => $old,
'new' => $new,
'meta' => array(
'edge:type' => DifferentialRevisionHasReviewerEdgeType::EDGECONST,
),
);
}
// Build the CC transaction, if one exists.
$add_cc = idx($metadata, $key_cc, array());
if (!is_array($add_cc)) {
$add_cc = array();
}
if ($add_cc) {
$xactions[] = array(
'type' => PhabricatorTransactions::TYPE_SUBSCRIBERS,
'old' => array(),
'new' => array_fuse($add_cc),
);
}
// Build the main comment transaction.
foreach ($main_comments as $main) {
$xactions[] = array(
'type' => PhabricatorTransactions::TYPE_COMMENT,
'old' => null,
'new' => null,
'phid' => $main['transactionPHID'],
'comment' => $main,
);
}
// Build inline comment transactions.
foreach ($inline_comments as $inline) {
$xactions[] = array(
'type' => DifferentialTransaction::TYPE_INLINE,
'old' => null,
'new' => null,
'phid' => $inline['transactionPHID'],
'comment' => $inline,
);
}
foreach ($xactions as $xaction) {
// Generate a new PHID, if we don't already have one from the comment
// table. We pregenerated into the comment table to make this a little
// easier, so we only need to write to one table.
$xaction_phid = idx($xaction, 'phid');
if (!$xaction_phid) {
$xaction_phid = PhabricatorPHID::generateNewPHID(
PhabricatorApplicationTransactionTransactionPHIDType::TYPECONST,
DifferentialRevisionPHIDType::TYPECONST);
}
unset($xaction['phid']);
$comment_phid = null;
$comment_version = 0;
if (idx($xaction, 'comment')) {
$comment_phid = $xaction['comment']['phid'];
$comment_version = 1;
}
$old = idx($xaction, 'old');
$new = idx($xaction, 'new');
$meta = idx($xaction, 'meta', array());
queryfx(
$conn_w,
'INSERT INTO %T (phid, authorPHID, objectPHID, viewPolicy, editPolicy,
commentPHID, commentVersion, transactionType, oldValue, newValue,
contentSource, metadata, dateCreated, dateModified)
VALUES (%s, %s, %s, %s, %s, %ns, %d, %s, %ns, %ns, %s, %s, %d, %d)',
'differential_transaction',
// PHID, authorPHID, objectPHID
$xaction_phid,
(string)$row['authorPHID'],
$revision_phid,
// viewPolicy, editPolicy, commentPHID, commentVersion
'public',
(string)$row['authorPHID'],
$comment_phid,
$comment_version,
// transactionType, oldValue, newValue, contentSource, metadata
$xaction['type'],
json_encode($old),
json_encode($new),
$content_source,
json_encode($meta),
// dates
$row['dateCreated'],
$row['dateModified']);
}
}
echo pht('Done.')."\n";

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