CREATE PROCEDURE [dbo].[sp_UpdateOrInsertSiparis_Code]
    @stockcode VARCHAR(100),
    @userId INT,
    @amount VARCHAR(50)
AS
BEGIN
	DECLARE @stockRef INT
	DECLARE @durum SMALLINT
	SET @stockRef = ISNULL((SELECT LOGICALREF FROM LG_011_ITEMS WHERE CODE=@stockcode), 0)
    -- Mevcut kaydi kontrol et
    IF EXISTS (SELECT * FROM STOK_RAPOR_SIPARISLER 
               WHERE STOCKREF = @stockRef AND USERID = @userId AND TYPE_ = 0)
    BEGIN
		SET @durum = 1
        -- Eger mevcut kayit var ve TYPE_ degeri 0 ise, AMOUNT sütununu güncelle
        UPDATE STOK_RAPOR_SIPARISLER
        SET AMOUNT = @amount
        WHERE STOCKREF = @stockRef AND USERID = @userId AND TYPE_ = 0;
    END
    ELSE
    BEGIN
		SET @durum = 2
        -- Aksi takdirde, yeni bir satir ekle
        INSERT INTO STOK_RAPOR_SIPARISLER (STOCKREF, USERID, AMOUNT, TYPE_)
        VALUES (@stockRef, @userId, @amount, 0);
    END
		INSERT INTO STOK_RAPOR_SIPARISLER_LOG (STOCKREF, USERID, AMOUNT, TYPE_)
        VALUES (@stockRef, @userId, @amount, @durum);
END;