--********************************************************************
--********************************************************************
-- REMOVE THIS PRIOR TO SENDING TO BARAKAH
--********************************************************************
--********************************************************************
ALTER DATABASE VEPROMS_Barakah
SET RECOVERY SIMPLE
GO
DBCC SHRINKFILE (VEPROMS_Users_log, 1)
GO
ALTER DATABASE VEPROMS_Barakah
SET RECOVERY FULL
--********************************************************************
--********************************************************************


-----------------------------------------------
-- Remove the Foreign Key constraint from
-- tblItems so the we can accurately remove
-- any deleted parent items (re-added later)
-----------------------------------------------
ALTER TABLE [dbo].[tblItems] DROP CONSTRAINT [FK_Items_Items]
GO
--------------------------------------------------
-- Get the initial size report for the database
--------------------------------------------------
SELECT 
	t.name AS TableName,
	p.rows As TotalRows,
	CAST(ROUND((((SUM(a.total_pages) * 8) / 1024.00) / 1024.0), 3) AS NUMERIC(36, 2)) AS TotalSpaceGB
FROM 
	sys.tables t
INNER JOIN      
	sys.indexes i ON t.object_id = i.object_id
INNER JOIN 
	sys.partitions p ON i.object_id = p.object_id AND i.index_id = p.index_id
INNER JOIN 
	sys.allocation_units a ON p.partition_id = a.container_id
LEFT OUTER JOIN 
	sys.schemas s ON t.schema_id = s.schema_id
WHERE 
	t.name NOT LIKE 'dt%' 
	AND t.is_ms_shipped = 0
	AND i.object_id > 255 
GROUP BY 
	t.name, s.name, p.rows
ORDER BY 
	TotalSpaceGB DESC, t.name


------------------------------------------------------------------------
-- Create the temp tables for ItemId, ContentId and Error handling
------------------------------------------------------------------------
IF OBJECT_ID('tempdb..#TmpItemId') IS NOT NULL
	DROP TABLE #TmpItemId
				
SELECT DISTINCT ItemId INTO #TmpItemId FROM tblItems WHERE DeleteStatus != 0 ORDER BY ItemID

IF OBJECT_ID('tempdb..#TmpContentId') IS NOT NULL
	DROP TABLE #TmpContentId
				
SELECT DISTINCT ContentID INTO #TmpContentId FROM tblContents WHERE DeleteStatus != 0 ORDER BY ContentID

IF OBJECT_ID('tempdb..#TmpErrors') IS NOT NULL
	DROP TABLE #TmpErrors

CREATE TABLE #TmpErrors
(
	DeleteStatus int
);
---------------------------
--PHASE 1 DELETIONS
---------------------------
DELETE FROM Figures  where ROFSTID not in(select distinct rofstid from Associations)
DELETE FROM ROFSTs where ROFSTID not in(select distinct rofstid from Associations)
DELETE FROM roimages where rodbid not in(select distinct rodbid from rofsts)
DELETE FROM documents where docid not in(select distinct docid from entries)

-------------------------------------
-- CURSOR DECLARATION AND SETUP
-------------------------------------
DECLARE @deleteStatus int
DECLARE procSet_cursor CURSOR FOR 

--Get the list of deleted procedures
SELECT DeleteStatus FROM tblContents WHERE Type = 0 AND DeleteStatus != 0 ORDER BY DeleteStatus

OPEN procSet_cursor
FETCH NEXT FROM procSet_cursor INTO @deleteStatus  

WHILE @@FETCH_STATUS = 0  
BEGIN		

	BEGIN TRY
		PRINT '********************************************************************'
		PRINT @deleteStatus
		PRINT '********************************************************************'
		
		---------------------------
		--PHASE 2 DELETIONS
		---------------------------
		DELETE FROM tblAnnotations WHERE Deletestatus !=0
		DELETE FROM drousages where docid in(select docid from tbldocuments WHERE DeleteStatus = @deleteStatus)
		DELETE FROM tblEntries WHERE Deletestatus !=0 OR ContentID IN (SELECT * FROM #TmpContentId)
		DELETE FROM tblDocuments WHERE DeleteStatus = @deleteStatus
		DELETE FROM tblGrids WHERE DeleteStatus = @deleteStatus
		DELETE FROM tblImages WHERE DeleteStatus = @deleteStatus
		---------------------------
		--PHASE 3 ITEM DELETIONS
		---------------------------
		DELETE FROM tblROUsages WHERE DeleteStatus = @deleteStatus OR ContentID IN (SELECT * FROM #TmpContentId)
		DELETE FROM tblTransitions WHERE Deletestatus !=0 OR DeleteStatus = @deleteStatus OR RangeID IN (SELECT * FROM #TmpItemId) OR ToID IN (SELECT * FROM #TmpItemId)
		DELETE FROM tblParts WHERE Deletestatus !=0 OR DeleteStatus = @deleteStatus OR Itemid IN (SELECT * FROM #TmpItemId) OR ContentID IN (SELECT * FROM #TmpContentId)
		PRINT ''
		PRINT '*****************'
		PRINT 'Deleting Items'
		PRINT '*****************';
		DELETE FROM tblItems WHERE PreviousID IS NOT NULL AND (DeleteStatus = @deleteStatus AND PreviousID IN (SELECT * FROM #TmpItemId))
		DELETE FROM tblItems WHERE ItemId IN (SELECT * FROM #TmpItemId)
		
		---------------------------
		--CONTENT DELETIONS
		---------------------------
		PRINT ''
		PRINT '*****************'
		PRINT 'Deleting Contents'
		PRINT '*****************';
		DELETE FROM tblContents WHERE DeleteStatus = @deleteStatus AND ContentID IN (SELECT * FROM #TmpContentId)

		---------------------------
		--AUDIT DELETIONS
		---------------------------
		PRINT ''
		PRINT 'Deleting Audits'
		DELETE FROM AnnotationAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM ContentAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM EntryAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM DocumentAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM GridAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM ImageAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM ItemAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM PartAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM ROUsageAudits WHERE DeleteStatus = @deleteStatus
		DELETE FROM TransitionAudits WHERE DeleteStatus = @deleteStatus

	END TRY
	BEGIN CATCH
		SELECT @deleteStatus AS DeleteStatus, ERROR_NUMBER() AS ErrorNumber, ERROR_SEVERITY() AS ErrorSeverity, ERROR_STATE() AS ErrorState, ERROR_PROCEDURE() AS ErrorProcedure, ERROR_LINE() AS ErrorLine, ERROR_MESSAGE() AS ErrorMessage;
		INSERT INTO #TmpErrors VALUES(@deleteStatus)
	END CATCH

	FETCH NEXT FROM procSet_cursor INTO @deleteStatus		
END 

CLOSE procSet_cursor  
DEALLOCATE procSet_cursor

------------------------------------------------
-- Remove any orphaned records from tblItems
-- NOTE - These items are a result of the item
-- in question not being marked at deleted when
-- the parent item was deleted
------------------------------------------------
DECLARE @recordCount int
SET @recordCount = (SELECT COUNT(*) FROM tblItems WHERE PreviousID IN (SELECT PreviousID FROM tblItems WHERE PreviousId NOT IN (Select ItemId FROM tblItems)))

WHILE @recordCount > 0
	BEGIN
		DELETE FROM tblItems WHERE PreviousID IN (SELECT PreviousID FROM tblItems WHERE PreviousId NOT IN (Select ItemId FROM tblItems))
		SET @recordCount = (SELECT COUNT(*) FROM tblItems WHERE PreviousID IN (SELECT PreviousID FROM tblItems WHERE PreviousId NOT IN (Select ItemId FROM tblItems)))
	END
PRINT str(@recordCount) + ' orphaned records deleted'

-----------------------------------------------------
-- Re-add the Foreign Key constraint for tblItems
-----------------------------------------------------
ALTER TABLE [dbo].[tblItems]  WITH CHECK ADD  CONSTRAINT [FK_Items_Items] FOREIGN KEY([PreviousID])
REFERENCES [dbo].[tblItems] ([ItemID])
GO

ALTER TABLE [dbo].[tblItems] CHECK CONSTRAINT [FK_Items_Items]
GO

-----------------------------------------------------
-- Get the final size report for the database size
-----------------------------------------------------
SELECT 
	t.name AS TableName,
	p.rows As TotalRows,
	CAST(ROUND((((SUM(a.total_pages) * 8) / 1024.00) / 1024.0), 3) AS NUMERIC(36, 2)) AS TotalSpaceGB
FROM 
	sys.tables t
INNER JOIN      
	sys.indexes i ON t.object_id = i.object_id
INNER JOIN 
	sys.partitions p ON i.object_id = p.object_id AND i.index_id = p.index_id
INNER JOIN 
	sys.allocation_units a ON p.partition_id = a.container_id
LEFT OUTER JOIN 
	sys.schemas s ON t.schema_id = s.schema_id
WHERE 
	t.name NOT LIKE 'dt%' 
	AND t.is_ms_shipped = 0
	AND i.object_id > 255 
GROUP BY 
	t.name, s.name, p.rows
ORDER BY 
	TotalSpaceGB DESC, t.name

--Show any errors recorded in the #TmpErrors table
SELECT * FROM #TmpErrors

-----------------------------
-- Clean up the temp tables
-----------------------------
DROP TABLE #TmpItemId
DROP TABLE #TmpContentId
DROP TABLE #TmpErrors