restructure seed

DataLayer/scripts/03-crud/04-Location/USP_CreateStateProvince.sql

@@ -0,0 +1,30 @@
+CREATE OR ALTER PROCEDURE dbo.USP_CreateStateProvince
+(
+    @StateProvinceName NVARCHAR(100),
+    @ISO3616_2 NVARCHAR(6),
+    @CountryCode NVARCHAR(2)
+)
+AS
+BEGIN
+    SET NOCOUNT ON;
+    SET XACT_ABORT ON;
+
+    IF EXISTS (
+        SELECT 1
+        FROM dbo.StateProvince
+        WHERE ISO3616_2 = @ISO3616_2
+    )
+        RETURN;
+
+    DECLARE @CountryId UNIQUEIDENTIFIER = dbo.UDF_GetCountryIdByCode(@CountryCode);
+    IF @CountryId IS NULL
+    BEGIN
+        RAISERROR('Country not found for code.', 16, 1);
+        RETURN;
+    END
+
+    INSERT INTO dbo.StateProvince
+        (StateProvinceName, ISO3616_2, CountryID)
+    VALUES
+        (@StateProvinceName, @ISO3616_2, @CountryId);
+END;