USE [DataPRO]
GO
/****** Object:  StoredProcedure [dbo].[sp_UsersDelete]    Script Date: 6/25/2019 8:49:37 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

ALTER PROCEDURE [dbo].[sp_UsersDelete]
             @UserName				nvarchar(50)		= null
			,@UserId				int					= null
			,@errorNumber			int				output
			,@errorMessage			nvarchar(250)	output 
AS
BEGIN
	set @errorNumber = 0; 	set @errorMessage = space(0);
	
	if(@UserName is null and @UserId is null)
	begin 
		set @errorMessage	= 'An invalid parameter or option was specified for procedure'
		set @errorNumber	= 15600
	end	
	else
	begin
		--If we don't have a UserId, get one based on the UserName, otherwise ignore the UserName
		if(@UserId is null and @UserName is not null)
		begin
		    --This assumes that the caller knows that there will not be duplicate UserNames
			--(if the possiblity of duplicates exists, the caller should pass the UserId instead)
			set @UserId = dbo.foo_IdGetUser (@UserName)
		end

		begin transaction [t_DataPROUsers]	
		delete from [dbo].[UIItemSettings]	where [UserId] = @UserId

		delete from dbo.UserProperties 	where UserId = @UserId

		delete from dbo.LastUsedHardware where [UserId] = @UserId

		delete from dbo.LockedItems where [DataPROUserID] = @UserId

		delete from dbo.Users	where [ID] = @UserId

		delete from dbo.TagAssignments where [ObjectID] = @UserId

		delete from dbo.UserProperties where [UserId] = @UserId
			
		if(@@error != 0)
		begin
			set @errorNumber = error_number(); 	set @errorMessage = error_message();
			rollback transaction [t_DataPROUsers]
		end
		else
		begin
			commit  transaction [t_DataPROUsers]
		end
	end
END