fix: make sure refresh-worker executes next on full hour of day

alsami · Jan 9, 2021 · 532f868 · 532f868
1 parent c2d977b
commit 532f868
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/Covid19Api.Worker/DataRefreshWorker.cs b/src/Covid19Api.Worker/DataRefreshWorker.cs
@@ -57,11 +57,20 @@ private DateTime CalculateInitialExecutionTime()
         private DateTime CalculateNextRun()
         {
             var nextExecution = DateTime.UtcNow.AddHours(4);
+
             if (nextExecution.Day != DateTime.UtcNow.Day)
             {
                 nextExecution = DateTime.UtcNow.Date.AddDays(1);
             }
 
+            var hourDiffTillNextDay = 24 - nextExecution.Hour;
+
+            if (hourDiffTillNextDay <= 4)
+            {
+                nextExecution = nextExecution.AddHours(hourDiffTillNextDay - 1);
+            }
+
+
             this.logger.LogInformation("Next refresh run {nextRun}", nextExecution.ToString("O"));
             return nextExecution;
         }