Additional tools for gardening.

tools/gardening/lib/src/luci_services.dart

Index: tools/gardening/lib/src/luci_services.dart
diff --git a/tools/gardening/lib/src/luci_services.dart b/tools/gardening/lib/src/luci_services.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6ec7216976823fbbbdf773af842e714f9d56fc4c
--- /dev/null
+++ b/tools/gardening/lib/src/luci_services.dart
@@ -0,0 +1,64 @@
+import 'dart:async';
+import 'dart:math';
+import 'try.dart';
+import 'logger.dart';
+import 'cache_new.dart';
+import 'luci_api.dart';
+
+// /// Fetches the latest builds for a bot and caches the results.
+// Future<Try<List<BuildDetail>>> fetchAndCacheLatestBuilds(
+//     LuciApi api,
+//     Logger logger,
+//     String client,
+//     String botName,
+//     CreateCacheFunction createCache,
+//     int amount) async {
+//   logger.debug("Finding latest build for bot $botName...");
+//   var result = await api.getBuildBotDetails(
+//       client, botName, createCache(duration: new Duration(minutes: 15)));
+//   return result
+//       .bindAsync<List<BuildDetail>>((LuciBuildBotDetail botDetail) async {
+//     int buildNo = botDetail.latestBuildNumber();
+//     int lo = max(0, buildNo - amount);
+//     List<Future<Try<BuildDetail>>> builds =
+//         new List<Future<Try<BuildDetail>>>();
+//     logger.debug("Finding builds #${lo}-#${buildNo} for bot $botName...");
+//     for (buildNo; buildNo > lo; buildNo--) {
+//       builds.add(api.getBuildDetails(
+//           client, botName, buildNo, cache(duration: new Duration(days: 1))));
+//     }
+//     List<Try<BuildDetail>> buildsCompleted = await Future.wait(builds);
+//     logger.debug("Finished finding builds for bot $botName");
+//     return buildsCompleted
+//         .where((bd) => !bd.isError())
+//         .map((bd) => bd.get())
+//         .toList();
+//   });
+// }
+
+/// Fetches all builds for a given [commit]-hash, by searching the latest [amount] builds.

[Johnni Winther, 2017/08/28 07:14:04]

Long line.

+Future<Try<List<BuildDetail>>> fetchBuildsForCommmit(LuciApi api, Logger logger,
+    String client, String commit, CreateCacheFunction createCache,
+    [int amount = 1]) async {
+  logger.debug("Finding primary bots for client $client");
+  var buildBots = await api.getPrimaryBuilders(
+      client, createCache(duration: new Duration(minutes: 30)));
+
+  var cache = createCache(duration: new Duration(minutes: 30));
+  return (await buildBots.bindAsync((List<LuciBuildBot> buildBots) async {
+    var buildBotBuilds = new List<List<BuildDetail>>();
+    for (var buildBot in buildBots) {
+      (await api.getBuildBotDetails(client, buildBot.name, cache, amount)).fold(
+          (ex, st) {
+        logger.error("Problem getting results", ex, st);
+      }, buildBotBuilds.add);
+    }
+    logger.debug(
+        "All latest $amount builds found for client $client. Processing results...");

[Johnni Winther, 2017/08/28 07:14:04]

Long line.

+    return buildBotBuilds.expand((id) => id).toList();
+  })).bind((List<BuildDetail> buildDetails) {
+    return buildDetails.where((BuildDetail buildDetail) {
+      return buildDetail.allChanges.any((change) => change.revision == commit);
+    });
+  });
+}