Store DateTime in millisecondsSinceEpoch

Author: ievdokdm

app_dart/lib/src/model/common/presubmit_completed_check.dart

@@ -103,8 +103,8 @@ class PresubmitCompletedJob {
       stage: userData.stage,
       prNum: userData.pullRequestNumber,
       attempt: _getAttempt(build),
-      startTime: build.startTime.toDateTime().microsecondsSinceEpoch,
-      endTime: build.endTime.toDateTime().microsecondsSinceEpoch,
+      startTime: build.startTime.toDateTime().millisecondsSinceEpoch,
+      endTime: build.endTime.toDateTime().millisecondsSinceEpoch,
       summary: build.summaryMarkdown,
       buildNumber: build.number,
     );

app_dart/lib/src/model/common/presubmit_job_state.dart

@@ -37,8 +37,8 @@ extension BuildToPresubmitJobState on bbv2.Build {
     jobName: builder.builder,
     status: status.toTaskStatus(),
     attemptNumber: BuildTags.fromStringPairs(tags).currentAttempt,
-    startTime: startTime.toDateTime().microsecondsSinceEpoch,
-    endTime: endTime.toDateTime().microsecondsSinceEpoch,
+    startTime: startTime.toDateTime().millisecondsSinceEpoch,
+    endTime: endTime.toDateTime().millisecondsSinceEpoch,
     summary: summaryMarkdown,
     buildNumber: number,
   );

app_dart/lib/src/service/firestore/unified_check_run.dart

@@ -46,7 +46,7 @@ final class UnifiedCheckRun {
       // We store the creation time of the guard since there might be several
       // guards for the same PR created and each new one created after previous
       // was succeeded so we are interested in a state of the latest one.
-      final creationTime = utcNow().microsecondsSinceEpoch;
+      final creationTime = utcNow().millisecondsSinceEpoch;
       final guard = PresubmitGuard(
         checkRun: checkRun,
         headSha: sha,
@@ -124,7 +124,7 @@ final class UnifiedCheckRun {
       return null;
     }
 
-    final creationTime = utcNow().microsecondsSinceEpoch;
+    final creationTime = utcNow().millisecondsSinceEpoch;
     final failedJobNames = latestGuard.failedJobNames;
     if (failedJobNames.isNotEmpty) {
       latestGuard.failedJobs = 0;
@@ -204,7 +204,7 @@ final class UnifiedCheckRun {
       return null;
     }
 
-    final creationTime = utcNow().microsecondsSinceEpoch;
+    final creationTime = utcNow().millisecondsSinceEpoch;
     final jobs = guard.jobs;
     final currentStatus = jobs[jobName]!;
 

packages/cocoon_common/lib/src/rpc_model/presubmit_guard_summary.dart

@@ -22,7 +22,7 @@ final class PresubmitGuardSummary {
   /// The commit head SHA.
   final String headSha;
 
-  /// The creation timestamp in microseconds since epoch.
+  /// The creation timestamp in milliseconds since epoch.
   final int creationTime;
 
   /// The status of the guard.