add Create User2Installation and User2Folder to Db

csharp/App/Backend/Controllers/Controller.cs

@@ -4,7 +4,6 @@ using InnovEnergy.App.Backend.DataTypes.Methods;
 using InnovEnergy.App.Backend.Relations;
 using Microsoft.AspNetCore.Mvc;
 using static System.Net.HttpStatusCode;
-using static System.String;
 using Folder = InnovEnergy.App.Backend.DataTypes.Folder;
 using Installation = InnovEnergy.App.Backend.DataTypes.Installation;
 using Object = System.Object;

csharp/App/Backend/Database/Create.cs

@@ -29,10 +29,18 @@ public static partial class Db
         return Connection.Insert(user) > 0;
     }
    
-    
     public static Boolean Create(Session session)
     {
         return Connection.Insert(session) > 0;
     }
     
+    public static Boolean Create(User2Installation user2Installation)
+    {
+        return Connection.Insert(user2Installation) > 0;
+    }
+    
+    public static Boolean Create(User2Folder user2Folder)
+    {
+        return Connection.Insert(user2Folder) > 0;
+    }
 }

csharp/App/Backend/Database/Db.cs

@@ -1,6 +1,5 @@
 using System.Reactive.Linq;
 using InnovEnergy.App.Backend.DataTypes;
-using InnovEnergy.App.Backend.DataTypes.Methods;
 using InnovEnergy.App.Backend.Relations;
 using InnovEnergy.Lib.Utils;
 using SQLite;
@@ -39,10 +38,6 @@ public static partial class Db
         });
 
 
-        var installation = Installations.First();
-        UserMethods.CreateAndSaveInstallationS3ApiKey(installation);
-
-
         Observable.Interval(TimeSpan.FromDays(1))
                   .StartWith(0)                        // Do it right away (on startup)
                   .Subscribe(Cleanup);         // and then daily
@@ -72,43 +67,7 @@ public static partial class Db
 
     
 
-    public static Boolean AddToAccessibleInstallations(Int64 userId, Int64 updatedInstallationId)
-    {
-        var con = new User2Installation
-        {
-            UserId = userId,
-            InstallationId = updatedInstallationId
-        };
-
-        try
-        {
-            Connection.Insert(con);
-            return true;
-        }
-        catch (Exception e)
-        {
-            return false;
-        }
-    }
-
-    public static Boolean AddToAccessibleFolders(Int64 userId, Int64 updatedFolderId)
-    {
-        var con = new User2Folder
-        {
-            UserId = userId,
-            FolderId = updatedFolderId
-        };
-
-        try
-        {
-            Connection.Insert(con);
-            return true;
-        }
-        catch (Exception e)
-        {
-            return false;
-        }
-    }
+  
 
 
     private static void Cleanup(Int64 _)