SQL Server
SQL Server
Page Through All Contacts
See more Google APIs Examples
Demonstrates how to page through the entire list of Google Contacts.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
-- Important: Do not use nvarchar(max). See the warning about using nvarchar(max).
DECLARE @sTmp0 nvarchar(4000)
DECLARE @success int
SELECT @success = 0
-- This example requires the Chilkat API to have been previously unlocked.
-- See Global Unlock Sample for sample code.
-- --------------------------------------------------------------------------------------------------------
-- Note: The code for setting up the Chilkat REST object and making the initial connection can be done once.
-- Once connected, the REST object may be re-used for many REST API calls.
-- (It's a good idea to put the connection setup code in a separate function/subroutine.)
-- --------------------------------------------------------------------------------------------------------
-- It is assumed we previously obtained an OAuth2 access token.
-- This example loads the JSON access token file
-- saved by this example: Get Google Contacts OAuth2 Access Token
DECLARE @jsonToken int
EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
IF @hr <> 0
BEGIN
PRINT 'Failed to create ActiveX component'
RETURN
END
EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/googleContacts.json'
IF @success <> 1
BEGIN
PRINT 'Failed to load googleContacts.json'
EXEC @hr = sp_OADestroy @jsonToken
RETURN
END
DECLARE @gAuth int
EXEC @hr = sp_OACreate 'Chilkat.AuthGoogle', @gAuth OUT
EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'access_token'
EXEC sp_OASetProperty @gAuth, 'AccessToken', @sTmp0
DECLARE @rest int
EXEC @hr = sp_OACreate 'Chilkat.Rest', @rest OUT
-- Connect using TLS.
DECLARE @bAutoReconnect int
SELECT @bAutoReconnect = 1
EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'www.google.com', 443, 1, @bAutoReconnect
-- Provide the authentication credentials (i.e. the access token)
EXEC sp_OAMethod @rest, 'SetAuthGoogle', @success OUT, @gAuth
-- ----------------------------------------------
-- OK, the REST connection setup is completed..
-- ----------------------------------------------
DECLARE @startIndex int
SELECT @startIndex = 1
DECLARE @maxResults int
SELECT @maxResults = 25
-- The totalResults will get updated with the correct value in the 1st loop iteration..
DECLARE @totalResults int
SELECT @totalResults = 100
-- To retrieve the contacts in pages of 25 each, we need to send the following for each page.
-- GET /m8/feeds/contacts/default/full?max-results=25&start-index=<startIndex>
-- GData-Version: 3.0
DECLARE @sbMaxResults int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbMaxResults OUT
EXEC sp_OAMethod @sbMaxResults, 'AppendInt', @success OUT, @maxResults
DECLARE @sbStartIndex int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbStartIndex OUT
DECLARE @loopIteration int
SELECT @loopIteration = 0
WHILE @startIndex <= @totalResults
BEGIN
EXEC sp_OAMethod @sbStartIndex, 'Clear', NULL
EXEC sp_OAMethod @sbStartIndex, 'AppendInt', @success OUT, @startIndex
EXEC sp_OAMethod @rest, 'ClearAllHeaders', @success OUT
EXEC sp_OAMethod @rest, 'ClearAllQueryParams', @success OUT
EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'GData-Version', '3.0'
EXEC sp_OAMethod @sbStartIndex, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'start-index', @sTmp0
EXEC sp_OAMethod @sbMaxResults, 'GetAsString', @sTmp0 OUT
EXEC sp_OAMethod @rest, 'AddQueryParam', @success OUT, 'max-results', @sTmp0
DECLARE @sbResponseBody int
EXEC @hr = sp_OACreate 'Chilkat.StringBuilder', @sbResponseBody OUT
EXEC sp_OAMethod @rest, 'FullRequestNoBodySb', @success OUT, 'GET', '/m8/feeds/contacts/default/full', @sbResponseBody
IF @success <> 1
BEGIN
EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
PRINT @sTmp0
EXEC @hr = sp_OADestroy @jsonToken
EXEC @hr = sp_OADestroy @gAuth
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @sbMaxResults
EXEC @hr = sp_OADestroy @sbStartIndex
EXEC @hr = sp_OADestroy @sbResponseBody
RETURN
END
-- A successful response will have a status code equal to 200.
EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
IF @iTmp0 <> 200
BEGIN
EXEC sp_OAGetProperty @rest, 'ResponseStatusCode', @iTmp0 OUT
PRINT 'response status code = ' + @iTmp0
EXEC sp_OAGetProperty @rest, 'ResponseStatusText', @sTmp0 OUT
PRINT 'response status text = ' + @sTmp0
EXEC sp_OAGetProperty @rest, 'ResponseHeader', @sTmp0 OUT
PRINT 'response header: ' + @sTmp0
EXEC sp_OAMethod @sbResponseBody, 'GetAsString', @sTmp0 OUT
PRINT 'response body: ' + @sTmp0
EXEC @hr = sp_OADestroy @jsonToken
EXEC @hr = sp_OADestroy @gAuth
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @sbMaxResults
EXEC @hr = sp_OADestroy @sbStartIndex
EXEC @hr = sp_OADestroy @sbResponseBody
RETURN
END
-- If the 200 response was received, then the contacts XML is contained
-- in the response body.
DECLARE @xml int
EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT
EXEC sp_OAMethod @xml, 'LoadSb', @success OUT, @sbResponseBody, 0
-- Now let's parse the XML...
-- Get the the total number of results, the start index, and the items per page.
-- We'll likely NOT get the full list, but will instead get the 1st page.
EXEC sp_OAMethod @xml, 'GetChildIntValue', @totalResults OUT, 'openSearch:totalResults'
DECLARE @startIndex2 int
EXEC sp_OAMethod @xml, 'GetChildIntValue', @startIndex2 OUT, 'openSearch:startIndex'
DECLARE @itemsPerPage int
EXEC sp_OAMethod @xml, 'GetChildIntValue', @itemsPerPage OUT, 'openSearch:itemsPerPage'
PRINT 'totalResults = ' + @totalResults
PRINT 'startIndex = ' + @startIndex2
PRINT 'itemsPerPage = ' + @itemsPerPage
-- Iterate over each contact.
DECLARE @numEntries int
EXEC sp_OAMethod @xml, 'NumChildrenHavingTag', @numEntries OUT, 'entry'
DECLARE @i int
SELECT @i = 0
WHILE @i < @numEntries
BEGIN
EXEC sp_OASetProperty @xml, 'I', @i
PRINT @loopIteration * @maxResults + @i + 1 + ' ----'
EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'entry[i]|title'
PRINT 'title: ' + @sTmp0
DECLARE @idUrl nvarchar(4000)
EXEC sp_OAMethod @xml, 'GetChildContent', @idUrl OUT, 'entry[i]|id'
PRINT 'id: ' + @idUrl
DECLARE @fullName nvarchar(4000)
EXEC sp_OAMethod @xml, 'ChilkatPath', @fullName OUT, 'entry[i]|gd:name|gd:fullName|*'
EXEC sp_OAGetProperty @xml, 'LastMethodSuccess', @iTmp0 OUT
IF @iTmp0 = 1
BEGIN
PRINT 'fullName: ' + @fullName
END
DECLARE @emailAddress nvarchar(4000)
EXEC sp_OAMethod @xml, 'ChilkatPath', @emailAddress OUT, 'entry[i]|gd:email|(address)'
EXEC sp_OAGetProperty @xml, 'LastMethodSuccess', @iTmp0 OUT
IF @iTmp0 = 1
BEGIN
PRINT 'email address: ' + @emailAddress
END
-- Find the photo link and check to see if this contact has a photo.
DECLARE @xLink int
EXEC sp_OAMethod @xml, 'GetChildWithAttr', @xLink OUT, 'link', 'rel', 'http://schemas.google.com/contacts/2008/rel#photo'
EXEC sp_OAGetProperty @xml, 'LastMethodSuccess', @iTmp0 OUT
IF @iTmp0 = 1
BEGIN
-- Get the photo etag.
DECLARE @bHasPhoto int
EXEC sp_OAMethod @xLink, 'HasAttribute', @bHasPhoto OUT, 'gd:etag'
IF @bHasPhoto = 1
BEGIN
PRINT 'This contact has a photo.'
END
EXEC @hr = sp_OADestroy @xLink
END
SELECT @i = @i + 1
END
SELECT @startIndex = @startIndex + @maxResults
SELECT @loopIteration = @loopIteration + 1
END
EXEC @hr = sp_OADestroy @jsonToken
EXEC @hr = sp_OADestroy @gAuth
EXEC @hr = sp_OADestroy @rest
EXEC @hr = sp_OADestroy @sbMaxResults
EXEC @hr = sp_OADestroy @sbStartIndex
EXEC @hr = sp_OADestroy @sbResponseBody
EXEC @hr = sp_OADestroy @xml
END
GO