Track real first attempt question stats

api/QuestionsApi/Models/QuestionAttempt.cs

@@ -0,0 +1,17 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+
+namespace QuestionsApi.Models;
+
+public class QuestionAttempt
+{
+    [BsonId]
+    [BsonRepresentation(BsonType.ObjectId)]
+    public string? Id { get; set; }
+
+    public string QuestionExternalId { get; set; } = "";
+    public string UserId { get; set; } = "";
+    public string ChoiceId { get; set; } = "";
+    public bool IsCorrect { get; set; }
+    public DateTime CreatedUtc { get; set; } = DateTime.UtcNow;
+}

api/QuestionsApi/Models/QuestionRequests.cs

@@ -28,3 +28,9 @@ public class UpsertQuestionRequest
     public List<string> Tags { get; set; } = [];
     public bool IsPublished { get; set; } = true;
 }
+
+public class FirstQuestionAttemptRequest
+{
+    public string QuestionExternalId { get; set; } = "";
+    public string ChoiceId { get; set; } = "";
+}

api/QuestionsApi/Models/QuestionResponse.cs

@@ -18,7 +18,7 @@ public class QuestionResponse
     public List<string> Media { get; set; } = [];
     public List<string> Tags { get; set; } = [];
 
-    public static QuestionResponse FromModel(Question question) => new()
+    public static QuestionResponse FromModel(Question question, Dictionary<string, int>? liveChoiceSelectionPercentages = null) => new()
     {
         Id = question.Id ?? "",
         ExternalId = question.ExternalId,
@@ -28,7 +28,9 @@ public class QuestionResponse
         CorrectChoiceId = question.CorrectChoiceId,
         Explanation = question.Explanation,
         ChoiceExplanations = question.ChoiceExplanations,
-        ChoiceSelectionPercentages = question.ChoiceSelectionPercentages,
+        ChoiceSelectionPercentages = liveChoiceSelectionPercentages is { Count: > 0 }
+            ? liveChoiceSelectionPercentages
+            : question.ChoiceSelectionPercentages,
         Discipline = question.Discipline,
         System = question.System,
         Difficulty = question.Difficulty,
@@ -37,3 +39,9 @@ public class QuestionResponse
         Tags = question.Tags
     };
 }
+
+public class FirstQuestionAttemptResponse
+{
+    public string QuestionExternalId { get; set; } = "";
+    public Dictionary<string, int> ChoiceSelectionPercentages { get; set; } = [];
+}