| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import 'dart:convert'; |
| |
| import 'package:http/http.dart' as http; |
| |
| import 'firestore.dart'; |
| |
| class GerritInfo { |
| static const gerritUrl = 'https://dart-review.googlesource.com/changes'; |
| static const gerritQuery = |
| 'o=ALL_REVISIONS&o=DETAILED_ACCOUNTS&o=CURRENT_COMMIT'; |
| static const trivialKinds = const { |
| 'TRIVIAL_REBASE', |
| 'NO_CHANGE', |
| 'NO_CODE_CHANGE', |
| }; |
| static const prefix = ")]}'\n"; |
| |
| http.BaseClient httpClient; |
| FirestoreService firestore; |
| String review; |
| String patchset; |
| |
| GerritInfo(int review, int patchset, this.firestore, this.httpClient) { |
| this.review = review.toString(); |
| this.patchset = patchset.toString(); |
| } |
| |
| // Fetch the owner, changeId, message, and date of a Gerrit change. |
| Future<void> update() async { |
| if (await firestore.hasPatchset(review, patchset)) return; |
| // Get the Gerrit change's commit from the Gerrit API. |
| final url = '$gerritUrl/$review?$gerritQuery'; |
| final response = await httpClient.get(url); |
| final protectedJson = response.body; |
| if (!protectedJson.startsWith(prefix)) |
| throw Exception('Gerrit response missing prefix $prefix: $protectedJson'); |
| final reviewInfo = jsonDecode(protectedJson.substring(prefix.length)) |
| as Map<String, dynamic>; |
| final reverted = revert(reviewInfo); |
| await firestore.storeReview(review, { |
| 'subject': reviewInfo['subject'], |
| if (reverted != null) 'revert_of': reverted |
| }); |
| |
| // Add the patchset information to the patchsets subcollection. |
| final revisions = reviewInfo['revisions'].values.toList() |
| ..sort((a, b) => (a['_number'] as int).compareTo(b['_number'])); |
| int patchsetGroupFirst; |
| for (Map<String, dynamic> revision in revisions) { |
| int number = revision['_number']; |
| if (!trivialKinds.contains(revision['kind'])) { |
| patchsetGroupFirst = number; |
| } |
| await firestore.storePatchset(review, number, { |
| 'number': number, |
| 'patchset_group': patchsetGroupFirst, |
| 'description': revision['description'], |
| 'kind': revision['kind'] |
| }); |
| } |
| } |
| |
| static String revert(Map<String, dynamic> reviewInfo) { |
| final current = reviewInfo['current_revision']; |
| final commit = reviewInfo['revisions'][current]['commit']; |
| final regExp = |
| RegExp('^This reverts commit ([\\da-f]+)\\.\$', multiLine: true); |
| return regExp.firstMatch(commit['message'])?.group(1); |
| } |
| } |