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DifferentialInlineCommentQuery.php
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			<?php

			/**
			* Temporary wrapper for transitioning Differential to ApplicationTransactions.
			*/
			final class DifferentialInlineCommentQuery
			extends PhabricatorOffsetPagedQuery {

			// TODO: Remove this when this query eventually moves to PolicyAware.
			private $viewer;

			private $ids;
			private $phids;
			private $drafts;
			private $authorPHIDs;
			private $revisionPHIDs;
			private $deletedDrafts;

			public function setViewer(PhabricatorUser $viewer) {
			$this->viewer = $viewer;
			return $this;
			}

			public function getViewer() {
			return $this->viewer;
			}

			public function withIDs(array $ids) {
			$this->ids = $ids;
			return $this;
			}

			public function withPHIDs(array $phids) {
			$this->phids = $phids;
			return $this;
			}

			public function withDrafts($drafts) {
			$this->drafts = $drafts;
			return $this;
			}

			public function withAuthorPHIDs(array $author_phids) {
			$this->authorPHIDs = $author_phids;
			return $this;
			}

			public function withRevisionPHIDs(array $revision_phids) {
			$this->revisionPHIDs = $revision_phids;
			return $this;
			}

			public function withDeletedDrafts($deleted_drafts) {
			$this->deletedDrafts = $deleted_drafts;
			return $this;
			}

			public function execute() {
			$table = new DifferentialTransactionComment();
			$conn_r = $table->establishConnection('r');

			$data = queryfx_all(
			$conn_r,
			'SELECT * FROM %T %Q %Q',
			$table->getTableName(),
			$this->buildWhereClause($conn_r),
			$this->buildLimitClause($conn_r));

			$comments = $table->loadAllFromArray($data);

			foreach ($comments as $key => $value) {
			$comments[$key] = DifferentialInlineComment::newFromModernComment(
			$value);
			}

			return $comments;
			}

			public function executeOne() {
			// TODO: Remove when this query moves to PolicyAware.
			return head($this->execute());
			}

			protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
			$where = array();

			// Only find inline comments.
			$where[] = qsprintf(
			$conn_r,
			'changesetID IS NOT NULL');

			if ($this->ids !== null) {
			$where[] = qsprintf(
			$conn_r,
			'id IN (%Ld)',
			$this->ids);
			}

			if ($this->phids !== null) {
			$where[] = qsprintf(
			$conn_r,
			'phid IN (%Ls)',
			$this->phids);
			}

			if ($this->revisionPHIDs !== null) {
			$where[] = qsprintf(
			$conn_r,
			'revisionPHID IN (%Ls)',
			$this->revisionPHIDs);
			}

			if ($this->drafts === null) {
			if ($this->deletedDrafts) {
			$where[] = qsprintf(
			$conn_r,
			'(authorPHID = %s) OR (transactionPHID IS NOT NULL)',
			$this->getViewer()->getPHID());
			} else {
			$where[] = qsprintf(
			$conn_r,
			'(authorPHID = %s AND isDeleted = 0)
			OR (transactionPHID IS NOT NULL)',
			$this->getViewer()->getPHID());
			}
			} else if ($this->drafts) {
			$where[] = qsprintf(
			$conn_r,
			'(authorPHID = %s AND isDeleted = 0) AND (transactionPHID IS NULL)',
			$this->getViewer()->getPHID());
			} else {
			$where[] = qsprintf(
			$conn_r,
			'transactionPHID IS NOT NULL');
			}

			return $this->formatWhereClause($where);
			}

			public function adjustInlinesForChangesets(
			array $inlines,
			array $old,
			array $new,
			DifferentialRevision $revision) {

			assert_instances_of($inlines, 'DifferentialInlineComment');
			assert_instances_of($old, 'DifferentialChangeset');
			assert_instances_of($new, 'DifferentialChangeset');

			$viewer = $this->getViewer();

			$pref = $viewer->loadPreferences()->getPreference(
			PhabricatorUserPreferences::PREFERENCE_DIFF_GHOSTS);
			if ($pref == 'disabled') {
			return $inlines;
			}

			$all = array_merge($old, $new);

			$changeset_ids = mpull($inlines, 'getChangesetID');
			$changeset_ids = array_unique($changeset_ids);

			$all_map = mpull($all, null, 'getID');

			// We already have at least some changesets, and we might not need to do
			// any more data fetching. Remove everything we already have so we can
			// tell if we need new stuff.
			foreach ($changeset_ids as $key => $id) {
			if (isset($all_map[$id])) {
			unset($changeset_ids[$key]);
			}
			}

			if ($changeset_ids) {
			$changesets = id(new DifferentialChangesetQuery())
			->setViewer($viewer)
			->withIDs($changeset_ids)
			->execute();
			$changesets = mpull($changesets, null, 'getID');
			} else {
			$changesets = array();
			}
			$changesets += $all_map;

			$id_map = array();
			foreach ($all as $changeset) {
			$id_map[$changeset->getID()] = $changeset->getID();
			}

			// Generate filename maps for older and newer comments. If we're bringing
			// an older comment forward in a diff-of-diffs, we want to put it on the
			// left side of the screen, not the right side. Both sides are "new" files
			// with the same name, so they're both appropriate targets, but the left
			// is a better target conceptually for users because it's more consistent
			// with the rest of the UI, which shows old information on the left and
			// new information on the right.
			$move_here = DifferentialChangeType::TYPE_MOVE_HERE;

			$name_map_old = array();
			$name_map_new = array();
			$move_map = array();
			foreach ($all as $changeset) {
			$changeset_id = $changeset->getID();

			$filenames = array();
			$filenames[] = $changeset->getFilename();

			// If this is the target of a move, also map comments on the old filename
			// to this changeset.
			if ($changeset->getChangeType() == $move_here) {
			$old_file = $changeset->getOldFile();
			$filenames[] = $old_file;
			$move_map[$changeset_id][$old_file] = true;
			}

			foreach ($filenames as $filename) {
			// We update the old map only if we don't already have an entry (oldest
			// changeset persists).
			if (empty($name_map_old[$filename])) {
			$name_map_old[$filename] = $changeset_id;
			}

			// We always update the new map (newest changeset overwrites).
			$name_map_new[$changeset->getFilename()] = $changeset_id;
			}
			}

			// Find the smallest "new" changeset ID. We'll consider everything
			// larger than this to be "newer", and everything smaller to be "older".
			$first_new_id = min(mpull($new, 'getID'));

			$results = array();
			foreach ($inlines as $inline) {
			$changeset_id = $inline->getChangesetID();
			if (isset($id_map[$changeset_id])) {
			// This inline is legitimately on one of the current changesets, so
			// we can include it in the result set unmodified.
			$results[] = $inline;
			continue;
			}

			$changeset = idx($changesets, $changeset_id);
			if (!$changeset) {
			// Just discard this inline, as it has bogus data.
			continue;
			}

			$target_id = null;

			if ($changeset_id >= $first_new_id) {
			$name_map = $name_map_new;
			$is_new = true;
			} else {
			$name_map = $name_map_old;
			$is_new = false;
			}

			$filename = $changeset->getFilename();
			if (isset($name_map[$filename])) {
			// This changeset is on a file with the same name as the current
			// changeset, so we're going to port it forward or backward.
			$target_id = $name_map[$filename];

			$is_move = isset($move_map[$target_id][$filename]);
			if ($is_new) {
			if ($is_move) {
			$reason = pht(
			'This comment was made on a file with the same name as the '.
			'file this file was moved from, but in a newer diff.');
			} else {
			$reason = pht(
			'This comment was made on a file with the same name, but '.
			'in a newer diff.');
			}
			} else {
			if ($is_move) {
			$reason = pht(
			'This comment was made on a file with the same name as the '.
			'file this file was moved from, but in an older diff.');
			} else {
			$reason = pht(
			'This comment was made on a file with the same name, but '.
			'in an older diff.');
			}
			}
			}


			// If we didn't find a target and this change is the target of a move,
			// look for a match against the old filename.
			if (!$target_id) {
			if ($changeset->getChangeType() == $move_here) {
			$filename = $changeset->getOldFile();
			if (isset($name_map[$filename])) {
			$target_id = $name_map[$filename];
			if ($is_new) {
			$reason = pht(
			'This comment was made on a file which this file was moved '.
			'to, but in a newer diff.');
			} else {
			$reason = pht(
			'This comment was made on a file which this file was moved '.
			'to, but in an older diff.');
			}
			}
			}
			}


			// If we found a changeset to port this comment to, bring it forward
			// or backward and mark it.
			if ($target_id) {
			$diff_id = $changeset->getDiffID();
			$inline_id = $inline->getID();
			$revision_id = $revision->getID();
			$href = "/D{$revision_id}?id={$diff_id}#inline-{$inline_id}";

			$inline
			->makeEphemeral(true)
			->setChangesetID($target_id)
			->setIsGhost(
			array(
			'new' => $is_new,
			'reason' => $reason,
			'href' => $href,
			'originalID' => $changeset->getID(),
			));

			$results[] = $inline;
			}
			}

			// Filter out the inlines we ported forward which won't be visible because
			// they appear on the wrong side of a file.
			$keep_map = array();
			foreach ($old as $changeset) {
			$keep_map[$changeset->getID()][0] = true;
			}
			foreach ($new as $changeset) {
			$keep_map[$changeset->getID()][1] = true;
			}

			foreach ($results as $key => $inline) {
			$is_new = (int)$inline->getIsNewFile();
			$changeset_id = $inline->getChangesetID();
			if (!isset($keep_map[$changeset_id][$is_new])) {
			unset($results[$key]);
			continue;
			}
			}

			// Adjust inline line numbers to account for content changes across
			// updates and rebases.
			$plan = array();
			$need = array();
			foreach ($results as $inline) {
			$ghost = $inline->getIsGhost();
			if (!$ghost) {
			// If this isn't a "ghost" inline, ignore it.
			continue;
			}

			$src_id = $ghost['originalID'];
			$dst_id = $inline->getChangesetID();

			$xforms = array();

			// If the comment is on the right, transform it through the inverse map
			// back to the left.
			if ($inline->getIsNewFile()) {
			$xforms[] = array($src_id, $src_id, true);
			}

			// Transform it across rebases.
			$xforms[] = array($src_id, $dst_id, false);

			// If the comment is on the right, transform it back onto the right.
			if ($inline->getIsNewFile()) {
			$xforms[] = array($dst_id, $dst_id, false);
			}

			$key = array();
			foreach ($xforms as $xform) {
			list($u, $v, $inverse) = $xform;

			$short = $u.'/'.$v;
			$need[$short] = array($u, $v);

			$part = $u.($inverse ? '<' : '>').$v;
			$key[] = $part;
			}
			$key = implode(',', $key);

			if (empty($plan[$key])) {
			$plan[$key] = array(
			'xforms' => $xforms,
			'inlines' => array(),
			);
			}

			$plan[$key]['inlines'][] = $inline;
			}

			if ($need) {
			$maps = DifferentialLineAdjustmentMap::loadMaps($need);
			} else {
			$maps = array();
			}

			foreach ($plan as $step) {
			$xforms = $step['xforms'];

			$chain = null;
			foreach ($xforms as $xform) {
			list($u, $v, $inverse) = $xform;
			$map = idx(idx($maps, $u, array()), $v);
			if (!$map) {
			continue 2;
			}

			if ($inverse) {
			$map = DifferentialLineAdjustmentMap::newInverseMap($map);
			} else {
			$map = clone $map;
			}

			if ($chain) {
			$chain->addMapToChain($map);
			} else {
			$chain = $map;
			}
			}

			foreach ($step['inlines'] as $inline) {
			$head_line = $inline->getLineNumber();
			$tail_line = ($head_line + $inline->getLineLength());

			$head_info = $chain->mapLine($head_line, false);
			$tail_info = $chain->mapLine($tail_line, true);

			list($head_deleted, $head_offset, $head_line) = $head_info;
			list($tail_deleted, $tail_offset, $tail_line) = $tail_info;

			if ($head_offset !== false) {
			$inline->setLineNumber($head_line + 1 + $head_offset);
			} else {
			$inline->setLineNumber($head_line);
			$inline->setLineLength($tail_line - $head_line);
			}
			}
			}

			return $results;
			}

			}

phab/src/applications/differential/query/DifferentialInlineCommentQuery.phpa238f6a7598afeature/testing

DifferentialInlineCommentQuery.phpView Options

phab/src/applications/differential/query/DifferentialInlineCommentQuery.php
a238f6a7598afeature/testing

DifferentialInlineCommentQuery.php
View Options