Implement persistent review queue

api/QuestionsApi/Services/ExamSimulationStore.cs

@@ -16,6 +16,7 @@ public class ExamSimulationStore
     private readonly AnswerStatisticsStore _statistics;
     private readonly RatingStore _ratings;
     private readonly ServiceMetrics _metrics;
+    private readonly ReviewQueueStore _reviewQueue;
 
     public ExamSimulationStore(
         MongoDatabaseProvider mongo,
@@ -23,7 +24,8 @@ public class ExamSimulationStore
         QuestionAttemptStore attempts,
         AnswerStatisticsStore statistics,
         RatingStore ratings,
-        ServiceMetrics metrics)
+        ServiceMetrics metrics,
+        ReviewQueueStore reviewQueue)
     {
         _simulations = mongo.Database.GetCollection<ExamSimulation>("ExamSimulations");
         _outcomes = mongo.Database.GetCollection<Step3Outcome>("Step3Outcomes");
@@ -32,6 +34,7 @@ public class ExamSimulationStore
         _statistics = statistics;
         _ratings = ratings;
         _metrics = metrics;
+        _reviewQueue = reviewQueue;
         _simulations.Indexes.CreateOne(new CreateIndexModel<ExamSimulation>(
             Builders<ExamSimulation>.IndexKeys.Ascending(item => item.UserId).Ascending(item => item.State)));
         _simulations.Indexes.CreateOne(new CreateIndexModel<ExamSimulation>(
@@ -439,6 +442,7 @@ public class ExamSimulationStore
             responses.TryGetValue(item.QuestionExternalId, out var response);
             var choiceId = response?.ChoiceId ?? "";
             var record = await _attempts.RecordFirstAttemptAsync(item.QuestionExternalId, simulation.UserId, choiceId, choiceId == question.CorrectChoiceId, choiceId == "", item.PresentedChoiceIds);
+            await _reviewQueue.AddFromFirstAttemptAsync(record.Attempt);
             if (!record.Inserted) continue;
             _metrics.AttemptCreated();
             try { await _statistics.IncrementAsync(record.Attempt); } catch { _metrics.CounterFailure(); }