Use DbContext.Remove/Add instead of DbSet methods

Core/Extensions/DbContextExtension.cs

@@ -10,7 +10,7 @@ public static class DbContextExtension
     /// </summary>
     /// <param name="dbContext"></param>
     /// <param name="entity">Entity for marking as created.</param>
-    [Obsolete("DbContextExtension.MarkAsCreated is obsolete, use DbSet<T>.Add instead")]
+    [Obsolete("DbContextExtension.MarkAsCreated is obsolete, use DbContext.Add instead")]
     public static void MarkAsCreated(this DbContext dbContext, object entity) =>
         dbContext.Entry(entity).State = EntityState.Added;
 
@@ -19,7 +19,7 @@ public static class DbContextExtension
     /// </summary>
     /// <param name="dbContext"></param>
     /// <param name="entity">Entity for marking as deleted.</param>
-    [Obsolete("DbContextExtension.MarkAsDeleted is obsolete, use DbSet<T>.Remove instead")]
+    [Obsolete("DbContextExtension.MarkAsDeleted is obsolete, use DbContext.Remove instead")]
     public static void MarkAsDeleted(this DbContext dbContext, object entity) =>
         dbContext.Entry(entity).State = EntityState.Deleted;
 

modules/RichSiteSummary/Handler/FeedList.cs

@@ -290,7 +290,7 @@ namespace Kruzya.TelegramBot.RichSiteSummary.Handler
                     .Where(subscriber => subscriber.Feed == feed && subscriber.SubscriberId == chat.Id)
                     .Select(subscriber => subscriber.SubscriptionId).FirstAsync();
                 
-                _dbContext.Subscriptions.Remove(_dbContext.Find<Subscriber>(subId));
+                _dbContext.Remove(_dbContext.Find<Subscriber>(subId));
             }
             else
             {
@@ -298,7 +298,7 @@ namespace Kruzya.TelegramBot.RichSiteSummary.Handler
                 subscription.Feed = feed;
                 subscription.SubscriberId = chat.Id;
                 
-                _dbContext.Subscriptions.Add(subscription);
+                _dbContext.Add(subscription);
             }
 
             await _dbContext.SaveChangesAsync();