Tcl
Tcl
Google Contacts - Retrieve All Contacts
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Demonstrates how to retrieve the full list of contacts for the Google Contacts API.Chilkat Tcl Downloads
load ./chilkat.dll
set 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
set jsonToken [new_CkJsonObject]
set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/googleContacts.json"]
if {$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 retrieve the contacts, we need to send the following:
# GET /m8/feeds/contacts/default/full
# GData-Version: 3.0
CkRest_AddHeader $rest "GData-Version" "3.0"
set sbResponseBody [new_CkStringBuilder]
set success [CkRest_FullRequestNoBodySb $rest "GET" "/m8/feeds/contacts/default/full" $sbResponseBody]
if {$success != 1} then {
puts [CkRest_lastErrorText $rest]
delete_CkJsonObject $jsonToken
delete_CkAuthGoogle $gAuth
delete_CkRest $rest
delete_CkStringBuilder $sbResponseBody
exit
}
# A successful response will have a status code equal to 200.
if {[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 $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
# See below for a sample response body.
CkXml_SaveXml $xml "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.
set totalResults [CkXml_GetChildIntValue $xml "openSearch:totalResults"]
set startIndex [CkXml_GetChildIntValue $xml "openSearch:startIndex"]
set itemsPerPage [CkXml_GetChildIntValue $xml "openSearch:itemsPerPage"]
puts "totalResults = $totalResults"
puts "startIndex = $startIndex"
puts "itemsPerPage = $itemsPerPage"
# We'll borrow a method from FileAccess to get the contactId from the URL string (see the code in the while loop)
set fac [new_CkFileAccess]
# Iterate over each contact.
set numEntries [CkXml_NumChildrenHavingTag $xml "entry"]
set i 0
while {$i < $numEntries} {
CkXml_put_I $xml $i
puts [expr $i + 1] ----
puts "title: [CkXml_getChildContent $xml {entry[i]|title}]"
# 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..
set idUrl [CkXml_getChildContent $xml "entry[i]|id"]
puts "id: $idUrl"
# Use the parsing ability of GetFileName to get the contactId
set contactId [CkFileAccess_getFileName $fac $idUrl]
puts "contactId: $contactId"
set fullName [CkXml_chilkatPath $xml "entry[i]|gd:name|gd:fullName|*"]
if {[CkXml_get_LastMethodSuccess $xml] == 1} then {
puts "fullName: $fullName"
}
set emailAddress [CkXml_chilkatPath $xml "entry[i]|gd:email|(address)"]
if {[CkXml_get_LastMethodSuccess $xml] == 1} then {
puts "email address: $emailAddress"
}
set i [expr $i + 1]
}
# 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>
#
delete_CkJsonObject $jsonToken
delete_CkAuthGoogle $gAuth
delete_CkRest $rest
delete_CkStringBuilder $sbResponseBody
delete_CkXml $xml
delete_CkFileAccess $fac