USE [FabApprovalSystem]
GO
	/****** Object:  UserDefinedFunction [dbo].[fn_GetECNsByUserPrev]    Script Date: 11/21/2024 11:31:55 AM ******/
SET
	ANSI_NULLS ON
GO
SET
	QUOTED_IDENTIFIER ON
GO
	-- =============================================
	-- Author:		<Author,,Name>
	-- Create date: <Create Date,,>
	-- Description:	<Description,,>
	-- =============================================
	CREATE FUNCTION [dbo].[fn_GetECNsByUserPrev] (
		-- Add the parameters for the function here
		@UserID INT
	) RETURNS TABLE AS RETURN (
		-- Add the SELECT statement with parameter references here
		-- M_Suffix
		SELECT
			DISTINCT 'ECN' AS DocumentType,
			*
		FROM
			(
				SELECT
					CASE
						WHEN E.IsECN = 1 THEN 'ECN'
						WHEN E.IsTECN = 1 THEN 'TECN'
						WHEN E.IsEmergencyTECN = 1 THEN 'E-TECN'
						ELSE 'ECN'
					END AS SubDoc,
					E.ECNNumber AS IssueID,
					IssueDate,
					'' AS LotNos,
					pdg.Names AS 'PendingApprovers',
					Title,
					DescriptionOfChange AS IssueDescription,
					U2.FirstName + ' ' + U2.LastName AS Originator,
					SubmitedDate,
					CloseDate,
					A.ItemStatus
				FROM
					ECN E
					INNER JOIN Approval A ON A.IssueID = E.ECNNumber
					AND (
						A.DocumentTypeID = 3
						OR A.DocumentTypeID = 4
						OR A.DocumentTypeID = 5
					)
					INNER JOIN Users U2 ON E.OriginatorID = U2.UserID
					INNER JOIN Users U1 ON A.UserID = U1.UserID
					LEFT JOIN (
						SELECT
							DISTINCT E.ECNNumber AS IssueID,
							STUFF (
								(
									SELECT
										'/' + CAST(U.FirstName AS varchar(50)) + ' ' + CAST(U.LastName AS varchar(50))
									FROM
										Approval A
										INNER JOIN Users U ON A.UserID = U.UserID
									WHERE
										(
											A.DocumentTypeID = 3
											OR A.DocumentTypeID = 4
											OR A.DocumentTypeID = 5
										)
										AND A.IssueID = E.ECNNumber
										AND ItemStatus = 0 FOR XML PATH('')
								),
								1,
								1,
								''
							) AS Names
						FROM
							ECN E
					) AS pdg ON E.ECNNumber = pdg.IssueID
				WHERE
					A.UserID = @UserID
					AND E.Deleted = 0
					AND (
						ItemStatus = 0
						OR (
							ItemStatus = 2
							AND DisplayDeniedDocument = 1
						)
					) --List of documents orginated by the user
				UNION
				ALL
				SELECT
					DISTINCT CASE
						WHEN E.IsECN = 1 THEN 'ECN'
						WHEN E.IsTECN = 1 THEN 'TECN'
						WHEN E.IsEmergencyTECN = 1 THEN 'E-TECN'
						ELSE 'ECN'
					END AS SubDoc,
					E.ECNNumber AS IssueID,
					IssueDate,
					'' AS LotNos,
					ISNULL(pdg.Names, '') AS 'PendingApprovers',
					Title,
					DescriptionOfChange AS IssueDescription,
					U1.FirstName + ' ' + U1.LastName AS Originator,
					SubmitedDate,
					CloseDate,
					AP.ItemStatus
				FROM
					ECN E
					INNER JOIN Users U1 ON E.OriginatorID = U1.UserID
					LEFT JOIN Approval AP ON E.ECNNumber = AP.IssueID
					LEFT JOIN (
						SELECT
							DISTINCT E.ECNNumber AS IssueID,
							STUFF (
								(
									SELECT
										'/' + CAST(U.FirstName AS varchar(50)) + ' ' + CAST(U.LastName AS varchar(50))
									FROM
										Approval A
										INNER JOIN Users U ON A.UserID = U.UserID
									WHERE
										(
											A.DocumentTypeID = 3
											OR A.DocumentTypeID = 4
											OR A.DocumentTypeID = 5
										)
										AND A.IssueID = E.ECNNumber
										AND ItemStatus = 0 FOR XML PATH('')
								),
								1,
								1,
								''
							) AS Names
						FROM
							ECN E
					) AS pdg ON E.ECNNumber = pdg.IssueID
				WHERE
					U1.UserID = @UserID
					AND E.ECNNumber NOT IN (
						SELECT
							IssueID
						FROM
							Approval
						WHERE
							IssueID = E.ECNNumber
							AND ItemStatus <> 2
							AND (
								DocumentTypeID = 3
								OR DocumentTypeID = 4
							)
					)
			) AS A
	)
GO