(SQL Server) Google Contacts - Retrieve All Contacts

Demonstrates how to retrieve the full list of contacts for the Google Contacts API.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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)
    -- 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
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    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
    -- Use "Chilkat_9_5_0.AuthGoogle" for versions of Chilkat < 10.0.0
    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
    -- Use "Chilkat_9_5_0.Rest" for versions of Chilkat < 10.0.0
    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..
    -- ----------------------------------------------

    -- To retrieve the contacts, we need to send the following:

    -- 	GET /m8/feeds/contacts/default/full
    -- 	GData-Version: 3.0

    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'GData-Version', '3.0'

    DECLARE @sbResponseBody int
    -- Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
    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 @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 @sbResponseBody
        RETURN
      END

    -- If the 200 response was received, then the contacts XML is contained
    -- in the response body.
    DECLARE @xml int
    -- Use "Chilkat_9_5_0.Xml" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT

    EXEC sp_OAMethod @xml, 'LoadSb', @success OUT, @sbResponseBody, 0

    -- See below for a sample response body.
    EXEC sp_OAMethod @xml, 'SaveXml', @success OUT, 'qa_output/google_contacts.xml'

    -- 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.
    DECLARE @totalResults int
    EXEC sp_OAMethod @xml, 'GetChildIntValue', @totalResults OUT, 'openSearch:totalResults'
    DECLARE @startIndex int
    EXEC sp_OAMethod @xml, 'GetChildIntValue', @startIndex OUT, 'openSearch:startIndex'
    DECLARE @itemsPerPage int
    EXEC sp_OAMethod @xml, 'GetChildIntValue', @itemsPerPage OUT, 'openSearch:itemsPerPage'

    PRINT 'totalResults = ' + @totalResults

    PRINT 'startIndex = ' + @startIndex

    PRINT 'itemsPerPage = ' + @itemsPerPage

    -- We'll borrow a method from FileAccess to get the contactId from the URL string (see the code in the while loop)
    DECLARE @fac int
    -- Use "Chilkat_9_5_0.FileAccess" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.FileAccess', @fac OUT

    -- 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 @i + 1 + ' ----'

        EXEC sp_OAMethod @xml, 'GetChildContent', @sTmp0 OUT, 'entry[i]|title'
        PRINT 'title: ' + @sTmp0

        -- The entry "id" child contains a URL having this format:
        -- <id>http://www.google.com/m8/feeds/contacts/{userEmail}/base/{contactId}</id>
        -- Let's get the URL and parse the contactId from it..
        DECLARE @idUrl nvarchar(4000)
        EXEC sp_OAMethod @xml, 'GetChildContent', @idUrl OUT, 'entry[i]|id'

        PRINT 'id: ' + @idUrl

        -- Use the parsing ability of GetFileName to get the contactId
        DECLARE @contactId nvarchar(4000)
        EXEC sp_OAMethod @fac, 'GetFileName', @contactId OUT, @idUrl

        PRINT 'contactId: ' + @contactId

        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

        SELECT @i = @i + 1
      END

    -- The response body XML looks something like this:

    -- 	<feed xmlns="http://www.w3.org/2005/Atom"
    -- 	    xmlns:openSearch="http://a9.com/-/spec/opensearch/1.1/"
    -- 	    xmlns:gContact="http://schemas.google.com/contact/2008"
    -- 	    xmlns:batch="http://schemas.google.com/gdata/batch"
    -- 	    xmlns:gd="http://schemas.google.com/g/2005"
    -- 	    gd:etag="feedEtag">
    -- 	  <id>userEmail</id>
    -- 	  <updated>2008-12-10T10:04:15.446Z</updated>
    -- 	  <category scheme="http://schemas.google.com/g/2005#kind" term="http://schemas.google.com/contact/2008#contact"/>
    -- 	  <link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml"
    -- 	      href="https://www.google.com/m8/feeds/contacts/userEmail/full"/>
    -- 	  <link rel="http://schemas.google.com/g/2005#post" type="application/atom+xml"
    -- 	      href="https://www.google.com/m8/feeds/contacts/userEmail/full"/>
    -- 	  <link rel="http://schemas.google.com/g/2005#batch" type="application/atom+xml"
    -- 	      href="https://www.google.com/m8/feeds/contacts/userEmail/full/batch"/>
    -- 	  <link rel="self" type="application/atom+xml"
    -- 	      href="https://www.google.com/m8/feeds/contacts/userEmail/full?max-results=25"/>
    -- 	  <author>
    -- 	    <name>User</name>
    -- 	    <email>userEmail</email>
    -- 	  </author>
    -- 	  <generator version="1.0" uri="http://www.google.com/m8/feeds">
    -- 	    Contacts
    -- 	  </generator>
    -- 	  <openSearch:totalResults>349</openSearch:totalResults>
    -- 	  <openSearch:startIndex>1</openSearch:startIndex>
    -- 	  <openSearch:itemsPerPage>25</openSearch:itemsPerPage>
    -- 	  <entry gd:etag="contactEtag">
    -- 	    <id>
    -- 	      http://www.google.com/m8/feeds/contacts/userEmail/base/contactId
    -- 	    </id>
    -- 	    <updated>2008-12-10T04:45:03.331Z</updated>
    -- 	    <app:edited xmlns:app="http://www.w3.org/2007/app">2008-12-10T04:45:03.331Z</app:edited>
    -- 	    <category scheme="http://schemas.google.com/g/2005#kind"
    -- 	        term="http://schemas.google.com/contact/2008#contact"/>
    -- 	    <title>Fitzwilliam Darcy</title>
    -- 	    <gd:name>
    -- 	      <gd:fullName>Fitzwilliam Darcy</gd:fullName>
    -- 	    </gd:name>
    -- 	    <link rel="http://schemas.google.com/contacts/2008/rel#photo" type="image/*"
    -- 	        href="https://www.google.com/m8/feeds/photos/media/userEmail/contactId"
    -- 	        gd:etag="photoEtag"/>
    -- 	    <link rel="self" type="application/atom+xml"
    -- 	        href="https://www.google.com/m8/feeds/contacts/userEmail/full/contactId"/>
    -- 	    <link rel="edit" type="application/atom+xml"
    -- 	        href="https://www.google.com/m8/feeds/contacts/userEmail/full/contactId"/>
    -- 	    <gd:phoneNumber rel="http://schemas.google.com/g/2005#home"
    -- 	        primary="true">
    -- 	      456
    -- 	    </gd:phoneNumber>
    -- 	    <gd:extendedProperty name="pet" value="hamster"/>
    -- 	    <gContact:groupMembershipInfo deleted="false"
    -- 	        href="http://www.google.com/m8/feeds/groups/userEmail/base/groupId"/>
    --         <gd:email rel="http://schemas.google.com/g/2005#other" address="darcyf@example.com" primary="true" />
    -- 	  </entry>
    -- 	  <!-- Other entries ... -->
    -- 	</feed>
    -- 

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @gAuth
    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @xml
    EXEC @hr = sp_OADestroy @fac


END
GO