SQL Server Requires Chilkat v11.0.0+
SQL Server
SharePoint -- Download Newer Files
See more SharePoint Examples
Demonstrates how to download all files from a SharePoint folder that are newer than the local files.Chilkat SQL Server Downloads
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
DECLARE @hr int
DECLARE @iTmp0 int
DECLARE @sTmp0 nvarchar(4000)
DECLARE @sTmp1 nvarchar(4000)
DECLARE @success int
SELECT @success = 0
-- This requires the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.
-- -------------------------------------------------------------------------
-- The following comments apply to SharePoint Windows classic authentication.
-- -------------------------------------------------------------------------
-- For example, imagine our SharePoint endpoint is https://xyzoffice.mycompany.com/
-- The SHAREPOINT_NTLM_DOMAIN would be "mycompany.com"
-- The SHAREPOINT_HTTPS_DOMAIN would be "xyzoffice.mycompany.com"
-- Also, the SHAREPOINT_USERNAME would be just the name, not a full email address.
-- for example, "chilkat" instead of "chilkat@mycompany.com"
DECLARE @http int
EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT
IF @hr <> 0
BEGIN
PRINT 'Failed to create ActiveX component'
RETURN
END
-- If SharePoint Windows classic authentication is used, then set the
-- Login, Password, LoginDomain, and NtlmAuth properties.
EXEC sp_OASetProperty @http, 'Login', 'SHAREPOINT_USERNAME'
EXEC sp_OASetProperty @http, 'Password', 'SHAREPOINT_PASSWORD'
EXEC sp_OASetProperty @http, 'LoginDomain', 'SHAREPOINT_NTLM_DOMAIN'
EXEC sp_OASetProperty @http, 'NtlmAuth', 1
-- -------------------------------------------------------------------------
-- The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
-- If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
-- establish the cookie as shown at SharePoint Online Authentication
-- -------------------------------------------------------------------------
-- First we'll download a list of all the files in the /Documents folder.
-- This provides the names and last-modified date/times of the files located
-- on the SharePoint server.
EXEC sp_OASetProperty @http, 'Accept', 'application/json;odata=verbose'
EXEC sp_OASetProperty @http, 'AcceptCharset', 'utf-8'
DECLARE @sbJson int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbJson OUT
EXEC sp_OAMethod @http, 'QuickGetSb', @success OUT, 'https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFolderByServerRelativeUrl(''/Documents'')/Files', @sbJson
IF @success = 0
BEGIN
EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @http
EXEC @hr = sp_OADestroy @sbJson
RETURN
END
-- Before proceeding, make sure the local directory where we'll be downloading files exists.
DECLARE @fac int
EXEC @hr = sp_OACreate 'Chilkat.FileAccess', @fac OUT
EXEC sp_OAMethod @fac, 'DirEnsureExists', @success OUT, 'qa_output/sharepoint/Documents'
-- OK.. load the JSON and iterate over each file
DECLARE @json int
EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
EXEC sp_OAMethod @json, 'LoadSb', @success OUT, @sbJson
DECLARE @numFiles int
EXEC sp_OAMethod @json, 'SizeOfArray', @numFiles OUT, 'd.results'
PRINT 'Number of Files in the SharePoint /Documents folder = ' + @numFiles
DECLARE @lastModRemote int
EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @lastModRemote OUT
DECLARE @lastModLocal int
EXEC @hr = sp_OACreate 'Chilkat.CkDateTime', @lastModLocal OUT
DECLARE @localPath int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @localPath OUT
DECLARE @fileUrl int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @fileUrl OUT
DECLARE @i int
SELECT @i = 0
WHILE @i < @numFiles
BEGIN
EXEC sp_OASetProperty @json, 'I', @i
DECLARE @filename nvarchar(4000)
EXEC sp_OAMethod @json, 'StringOf', @filename OUT, 'd.results[i].Name'
DECLARE @sLastModified nvarchar(4000)
EXEC sp_OAMethod @json, 'StringOf', @sLastModified OUT, 'd.results[i].TimeLastModified'
PRINT @i + 1 + ': ' + @filename + ' (' + @sLastModified + ')'
EXEC sp_OAMethod @lastModRemote, 'SetFromTimestamp', @success OUT, @sLastModified
DECLARE @bDownload int
SELECT @bDownload = 0
-- Check to see if the local file exists. If not, then download.
EXEC sp_OAMethod @localPath, 'SetString', @success OUT, 'qa_output/sharepoint/Documents/'
EXEC sp_OAMethod @localPath, 'Append', @success OUT, @filename
EXEC sp_OAMethod @localPath, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @fac, 'FileExists', @iTmp0 OUT, @sTmp0
IF @iTmp0 <> 1
BEGIN
PRINT 'This file does not exist locally.'
SELECT @bDownload = 1
END
ELSE
BEGIN
-- Get the local file's date time and compare with the remote file date/time.
EXEC sp_OAMethod @localPath, 'GetAsString', @sTmp1 OUT
EXEC sp_OAMethod @fac, 'GetFileTimeStr', @sTmp0 OUT, @sTmp1, 0
EXEC sp_OAMethod @lastModLocal, 'SetFromTimestamp', @success OUT, @sTmp0
-- Get the difference in seconds between the local and remote last-modified times.
-- if the return value is negative, then the caller's time is
-- older than the argument. (in this case, a negative return value means
-- the local file is older than the remote file.
-- Note: The DiffSeconds method was found to be missing in the Chilkat .NET build
-- (and possibly in other builds). It will be present in the v9.5.0.67 release and later.
DECLARE @numSeconds int
EXEC sp_OAMethod @lastModLocal, 'DiffSeconds', @numSeconds OUT, @lastModRemote
IF @numSeconds < 0
BEGIN
PRINT 'The local file is older than the remote file.'
SELECT @bDownload = 1
END
END
IF @bDownload = 1
BEGIN
EXEC sp_OAMethod @fileUrl, 'SetString', @success OUT, 'https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFolderByServerRelativeUrl(''/Documents'')/Files('''
EXEC sp_OAMethod @fileUrl, 'Append', @success OUT, @filename
EXEC sp_OAMethod @fileUrl, 'Append', @success OUT, ''')/$value'
PRINT 'Downloading ' + @filename
EXEC sp_OAMethod @fileUrl, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @localPath, 'GetAsString', @sTmp1 OUT
EXEC sp_OAMethod @http, 'Download', @success OUT, @sTmp0, @sTmp1
IF @success = 0
BEGIN
EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @http
EXEC @hr = sp_OADestroy @sbJson
EXEC @hr = sp_OADestroy @fac
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @lastModRemote
EXEC @hr = sp_OADestroy @lastModLocal
EXEC @hr = sp_OADestroy @localPath
EXEC @hr = sp_OADestroy @fileUrl
RETURN
END
-- Set the local file's last-modified date/time to that of the server's.
EXEC sp_OAMethod @localPath, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @fac, 'SetLastModified', @success OUT, @sTmp0, @lastModRemote
END
SELECT @i = @i + 1
END
PRINT 'All finished.'
EXEC @hr = sp_OADestroy @http
EXEC @hr = sp_OADestroy @sbJson
EXEC @hr = sp_OADestroy @fac
EXEC @hr = sp_OADestroy @json
EXEC @hr = sp_OADestroy @lastModRemote
EXEC @hr = sp_OADestroy @lastModLocal
EXEC @hr = sp_OADestroy @localPath
EXEC @hr = sp_OADestroy @fileUrl
END
GO