Make simulation block submission idempotent

2026-07-30 15:30:54 -05:00
parent d5048c155a
commit ae6b37eb7d
5 changed files with 29 additions and 0 deletions
@@ -354,6 +354,8 @@ public class ExamSimulationStore

    public async Task<ExamSimulation> SubmitBlockAsync(ExamSimulation simulation, bool expired = false)
    {
+        if (IsAlreadySubmittedState(simulation.State))
+            return simulation;
        if (simulation.State != ExamSimulationStates.BlockActive)
            throw new InvalidOperationException("There is no active block to submit.");
        if (!expired && simulation.BlockDeadlineUtc is not null)
@@ -370,6 +372,9 @@ public class ExamSimulationStore
        return simulation;
    }

+    public static bool IsAlreadySubmittedState(string state) =>
+        state is ExamSimulationStates.BetweenBlocks or ExamSimulationStates.Completed;
+
    public async Task AbandonAsync(ExamSimulation simulation)
    {
        simulation.State = ExamSimulationStates.Abandoned;