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(Tcl) Update a Google Contact

Demonstrates how to update a Google Contact.

Chilkat Tcl Extension Downloads

Chilkat Tcl Extension Downloads

load ./chilkat.dll

#  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

set jsonToken [new_CkJsonObject]

set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/googleContacts.json"]
if {[expr $success != 1]} then {
    puts "Failed to load googleContacts.json"
    delete_CkJsonObject $jsonToken
    exit
}

set gAuth [new_CkAuthGoogle]

CkAuthGoogle_put_AccessToken $gAuth [CkJsonObject_stringOf $jsonToken "access_token"]

set rest [new_CkRest]

#  Connect using TLS.
set bAutoReconnect 1
set success [CkRest_Connect $rest "www.google.com" 443 1 $bAutoReconnect]

#  Provide the authentication credentials (i.e. the access token)
CkRest_SetAuthGoogle $rest $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

CkRest_AddHeader $rest "GData-Version" "3.0"

set sbPath [new_CkStringBuilder]

CkStringBuilder_Append $sbPath "/m8/feeds/contacts/default/full/{contactId}"
#  Get the contact having contactId = "5b6d64980b1ed462"
set numReplacements [CkStringBuilder_Replace $sbPath "{contactId}" "5b6d64980b1ed462"]

set sbResponseBody [new_CkStringBuilder]

set success [CkRest_FullRequestNoBodySb $rest "GET" [CkStringBuilder_getAsString $sbPath] $sbResponseBody]
if {[expr $success != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkJsonObject $jsonToken
    delete_CkAuthGoogle $gAuth
    delete_CkRest $rest
    delete_CkStringBuilder $sbPath
    delete_CkStringBuilder $sbResponseBody
    exit
}

#  A successful response will have a status code equal to 200.
if {[expr [CkRest_get_ResponseStatusCode $rest] != 200]} then {
    puts "response status code = [CkRest_get_ResponseStatusCode $rest]"
    puts "response status text = [CkRest_responseStatusText $rest]"
    puts "response header: [CkRest_responseHeader $rest]"
    puts "response body: [CkStringBuilder_getAsString $sbResponseBody]"
    delete_CkJsonObject $jsonToken
    delete_CkAuthGoogle $gAuth
    delete_CkRest $rest
    delete_CkStringBuilder $sbPath
    delete_CkStringBuilder $sbResponseBody
    exit
}

#  If the 200 response was received, then the contacts XML is contained
#  in the response body.
set xml [new_CkXml]

CkXml_LoadSb $xml $sbResponseBody 0

#  Get the etag:
set lastKnownEtag [CkXml_getAttrValue $xml "gd:etag"]
puts "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"/>

CkXml_UpdateChildContent $xml "gd:name|gd:givenName" "Joe"
CkXml_UpdateChildContent $xml "gd:name|gd:familyName" "Sample"
CkXml_UpdateChildContent $xml "gd:name|gd:fullName" "Joe Sample"
CkXml_UpdateChildContent $xml "content" "RIP Joe Sample, a great musician..."
CkXml_UpdateAttrAt $xml "content" 1 "type" "text"
CkXml_UpdateAttrAt $xml "gd:extendedProperty" 1 "name" "pet"
CkXml_UpdateAttrAt $xml "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

CkRest_ClearAllHeaders $rest
CkRest_AddHeader $rest "If-Match" $lastKnownEtag
CkRest_AddHeader $rest "GData-Version" "3.0"
CkRest_AddHeader $rest "Content-Type" "application/atom+xml"

set sbRequestBody [new_CkStringBuilder]

CkXml_GetXmlSb $xml $sbRequestBody

#  The sbPath already contains the correct path..
set success [CkRest_FullRequestSb $rest "PUT" [CkStringBuilder_getAsString $sbPath] $sbRequestBody $sbResponseBody]
if {[expr $success != 1]} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkJsonObject $jsonToken
    delete_CkAuthGoogle $gAuth
    delete_CkRest $rest
    delete_CkStringBuilder $sbPath
    delete_CkStringBuilder $sbResponseBody
    delete_CkXml $xml
    delete_CkStringBuilder $sbRequestBody
    exit
}

#  A successful response will have a status code equal to 200.
if {[expr [CkRest_get_ResponseStatusCode $rest] != 200]} then {
    puts "response status code = [CkRest_get_ResponseStatusCode $rest]"
    puts "response status text = [CkRest_responseStatusText $rest]"
    puts "response header: [CkRest_responseHeader $rest]"
    puts "response body: [CkStringBuilder_getAsString $sbResponseBody]"
    delete_CkJsonObject $jsonToken
    delete_CkAuthGoogle $gAuth
    delete_CkRest $rest
    delete_CkStringBuilder $sbPath
    delete_CkStringBuilder $sbResponseBody
    delete_CkXml $xml
    delete_CkStringBuilder $sbRequestBody
    exit
}

#  If the 200 response was received, then the updated contact XML is contained
#  in the response body.
CkXml_LoadSb $xml $sbResponseBody 0

puts "Response Body:"
puts [CkXml_getXml $xml]
puts "Success."

delete_CkJsonObject $jsonToken
delete_CkAuthGoogle $gAuth
delete_CkRest $rest
delete_CkStringBuilder $sbPath
delete_CkStringBuilder $sbResponseBody
delete_CkXml $xml
delete_CkStringBuilder $sbRequestBody

 

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