revamping domain

Shogi.Database/Session/Stored Procedures/CreateSession.sql

@@ -1,24 +1,14 @@
 CREATE PROCEDURE [session].[CreateSession]
-	@SessionName [session].[SessionName],
-	@Player1Name [user].[UserName],
 	@InitialBoardStateDocument [session].[JsonDocument]
 AS
 BEGIN
+	SET NOCOUNT ON
 
-SET NOCOUNT ON
-SET XACT_ABORT ON
-
-BEGIN TRANSACTION
-	INSERT INTO [session].[Session] ([Name], Player1Id)
+	INSERT INTO [session].[Session] ([Name], BoardState, Player1Id)
 	SELECT
-		@SessionName,
+		JSON_VALUE(@InitialBoardStateDocument, '$.Name'),
+		@InitialBoardStateDocument,
 		Id
 	FROM [user].[User]
-	WHERE [Name] = @Player1Name;
-
-	INSERT INTO [session].[BoardState] (Document, SessionId) 
-	VALUES
-		(@InitialBoardStateDocument, SCOPE_IDENTITY());
-COMMIT
-
+	WHERE [Name] = JSON_VALUE(@InitialBoardStateDocument, '$.Player1');
 END