Добавил рандом в выдачу карточек

FichaBackend/Services/IPublicDataService.cs

@@ -56,7 +56,9 @@ public class PublicDataService : IPublicDataService
 
     public async Task<IEnumerable<CardQuestion>> GetAllCards()
     {
-        return await _databaseContext.CardQuestions.ToListAsync();
+        var r = await _databaseContext.CardQuestions.ToListAsync();
+        Utils.Extensions.Shuffle(r);
+        return r;
     }
 
     public async Task UpdateFilmsInCity(IEnumerable<FilmDto> films)

FichaBackend/Utils/Extensions.cs

@@ -0,0 +1,14 @@
+namespace FichaBackend.Utils;
+
+public static class Extensions
+{
+    private static readonly Random Rand = new Random();
+ 
+    public static void Shuffle<T>(this IList<T> values)
+    {
+        for (int i = values.Count - 1; i > 0; i--) {
+            int k = Rand.Next(i + 1);
+            (values[k], values[i]) = (values[i], values[k]);
+        }
+    }
+}