Implement persistent review queue

api/QuestionsApi/Services/DashboardStore.cs

@@ -14,8 +14,9 @@ public sealed class DashboardStore
     private readonly IMongoCollection<QuestionBookmark> _bookmarks;
     private readonly IMongoCollection<UserNotepad> _notes;
     private readonly QuestionStore _questions;
+    private readonly ReviewQueueStore _reviewQueue;
 
-    public DashboardStore(MongoDatabaseProvider mongo, QuestionStore questions)
+    public DashboardStore(MongoDatabaseProvider mongo, QuestionStore questions, ReviewQueueStore reviewQueue)
     {
         _attempts = mongo.Database.GetCollection<QuestionAttempt>("QuestionAttempts");
         _ratings = mongo.Database.GetCollection<UserRating>("UserRatings");
@@ -26,6 +27,7 @@ public sealed class DashboardStore
         _bookmarks = mongo.Database.GetCollection<QuestionBookmark>("QuestionBookmarks");
         _notes = mongo.Database.GetCollection<UserNotepad>("UserNotepads");
         _questions = questions;
+        _reviewQueue = reviewQueue;
     }
 
     public async Task<DashboardResponse> GetAsync(string userId, DateTime nowUtc)
@@ -40,8 +42,9 @@ public sealed class DashboardStore
         var simulationsTask = _simulations.Find(value => value.UserId == userId && value.CreatedUtc >= trendStart).ToListAsync();
         var bookmarkCountTask = _bookmarks.CountDocumentsAsync(value => value.UserId == userId);
         var notepadTask = _notes.Find(value => value.UserId == userId).FirstOrDefaultAsync();
+        var reviewAttemptsTask = _reviewQueue.GetReviewsSinceAsync(userId, weekStart);
         await Task.WhenAll(attemptsTask, ratingTask, ccsRatingTask, ccsAttemptsTask,
-            simulationsTask, bookmarkCountTask, notepadTask);
+            simulationsTask, bookmarkCountTask, notepadTask, reviewAttemptsTask);
 
         var attempts = attemptsTask.Result;
         var answeredAttempts = attempts.Where(value => !value.IsSkip).ToList();
@@ -50,6 +53,8 @@ public sealed class DashboardStore
         var ccsAttempts = ccsAttemptsTask.Result;
         var simulations = simulationsTask.Result;
         var completedCcs = ccsAttempts.Where(value => value.State == CcsAttemptStates.Completed && value.CompletedUtc.HasValue).ToList();
+        await _reviewQueue.EnsureUserQueueAsync(userId);
+        var pendingReviewCount = await _reviewQueue.CountPendingAsync(userId);
 
         var response = new DashboardResponse
         {
@@ -62,7 +67,7 @@ public sealed class DashboardStore
             QuestionsThisWeek = answeredAttempts.Count(value => value.CreatedUtc >= weekStart),
             BookmarkCount = checked((int)bookmarkCountTask.Result),
             NoteCount = CountNotes(notepadTask.Result?.Content),
-            MissedQuestionCount = attempts.Where(value => !value.IsCorrect).Select(value => value.QuestionExternalId).Distinct().Count()
+            MissedQuestionCount = checked((int)pendingReviewCount)
         };
 
         response.PerformanceTrend = Enumerable.Range(0, 30).Select(offset =>
@@ -105,6 +110,7 @@ public sealed class DashboardStore
                 StudyTimeSeconds = dailyQuestions.Sum(value => value.DurationSeconds)
                     + dailyCcs.Sum(CcsDurationSeconds)
                     + dailySimulations.Sum(value => value.Responses.Sum(item => Math.Max(0, item.ElapsedSeconds)))
+                    + reviewAttemptsTask.Result.Where(value => value.CreatedUtc.Date == date).Sum(value => value.DurationSeconds)
             };
         }).ToList();
         response.StudyTimeSecondsThisWeek = response.WeeklyActivity.Sum(value => value.StudyTimeSeconds);