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Visual Basic 6.0 Examples

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(Visual Basic 6.0) Update a Google Contact

Demonstrates how to update a Google Contact.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

'  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

Dim jsonToken As New ChilkatJsonObject
Dim success As Long
success = jsonToken.LoadFile("qa_data/tokens/googleContacts.json")
If (success <> 1) Then
    Debug.Print "Failed to load googleContacts.json"
    Exit Sub
End If

Dim gAuth As New ChilkatAuthGoogle
gAuth.AccessToken = jsonToken.StringOf("access_token")

Dim rest As New ChilkatRest

'  Connect using TLS.
Dim bAutoReconnect As Long
bAutoReconnect = 1
success = rest.Connect("www.google.com",443,1,bAutoReconnect)

'  Provide the authentication credentials (i.e. the access token)
success = rest.SetAuthGoogle(gAuth)

'  ----------------------------------------------
'  OK, the REST connection setup is completed..
'  ----------------------------------------------

'  To update a contact, we'll first get the contact information,
'  then we'll make changes to the XML and then PUT the update.

'  To retrieve the contact, send the following:
'  	GET /m8/feeds/contacts/default/full/{contactId}
'  	GData-Version: 3.0

success = rest.AddHeader("GData-Version","3.0")

Dim sbPath As New ChilkatStringBuilder
success = sbPath.Append("/m8/feeds/contacts/default/full/{contactId}")
'  Get the contact having contactId = "5b6d64980b1ed462"
Dim numReplacements As Long
numReplacements = sbPath.Replace("{contactId}","5b6d64980b1ed462")

Dim sbResponseBody As New ChilkatStringBuilder
success = rest.FullRequestNoBodySb("GET",sbPath.GetAsString(),sbResponseBody)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

'  A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "response status code = " & rest.ResponseStatusCode
    Debug.Print "response status text = " & rest.ResponseStatusText
    Debug.Print "response header: " & rest.ResponseHeader
    Debug.Print "response body: " & sbResponseBody.GetAsString()
    Exit Sub
End If

'  If the 200 response was received, then the contacts XML is contained
'  in the response body.
Dim xml As New ChilkatXml
success = xml.LoadSb(sbResponseBody,0)

'  Get the etag:
Dim lastKnownEtag As String
lastKnownEtag = xml.GetAttrValue("gd:etag")
Debug.Print "lastKnownEtag = " & lastKnownEtag

'  Update the XML.
'  We're going to add or update with the following information:

'  	  <gd:name>
'  	    <gd:givenName>Joe</gd:givenName>
'  	    <gd:familyName>Sample</gd:familyName>
'  	    <gd:fullName>Joe Sample</gd:fullName>
'  	  </gd:name>
'  	  <content type="text">RIP Joe Sample, a great musician...</content>
'  	  <gd:extendedProperty name="pet" value="hamster"/>

xml.UpdateChildContent "gd:name|gd:givenName","Joe"
xml.UpdateChildContent "gd:name|gd:familyName","Sample"
xml.UpdateChildContent "gd:name|gd:fullName","Joe Sample"
xml.UpdateChildContent "content","RIP Joe Sample, a great musician..."
success = xml.UpdateAttrAt("content",1,"type","text")
success = xml.UpdateAttrAt("gd:extendedProperty",1,"name","pet")
success = xml.UpdateAttrAt("gd:extendedProperty",1,"value","hamster")

'  Send the following:

'  	PUT /m8/feeds/contacts/default/full/{contactId}
'  	If-Match: {lastKnownEtag}
'  	GData-Version: 3.0
'  	Content-Type: application/atom+xml

success = rest.ClearAllHeaders()
success = rest.AddHeader("If-Match",lastKnownEtag)
success = rest.AddHeader("GData-Version","3.0")
success = rest.AddHeader("Content-Type","application/atom+xml")

Dim sbRequestBody As New ChilkatStringBuilder
success = xml.GetXmlSb(sbRequestBody)

'  The sbPath already contains the correct path..
success = rest.FullRequestSb("PUT",sbPath.GetAsString(),sbRequestBody,sbResponseBody)
If (success <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

'  A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "response status code = " & rest.ResponseStatusCode
    Debug.Print "response status text = " & rest.ResponseStatusText
    Debug.Print "response header: " & rest.ResponseHeader
    Debug.Print "response body: " & sbResponseBody.GetAsString()
    Exit Sub
End If

'  If the 200 response was received, then the updated contact XML is contained
'  in the response body.
success = xml.LoadSb(sbResponseBody,0)

Debug.Print "Response Body:"
Debug.Print xml.GetXml()
Debug.Print "Success."

 

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