database adjustments and storage for attachments

src/Sql/dbo/Stored Procedures/User_UpdateStorage.sql

@@ -0,0 +1,16 @@
+CREATE PROCEDURE [dbo].[User_UpdateStorage]
+    @Id UNIQUEIDENTIFIER,
+    @StorageIncrease BIGINT
+
+AS
+BEGIN
+    SET NOCOUNT ON
+
+    UPDATE
+        [dbo].[User]
+    SET
+        [Storage] = ISNULL([Storage], 0) + @StorageIncrease,
+        [RevisionDate] = GETUTCDATE()
+    WHERE
+        [Id] = @Id
+END