(PowerShell) Google Contacts - Delete a Contact

Demonstrates how to delete a Google Contact.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.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

$jsonToken = New-Object Chilkat.JsonObject
$success = $jsonToken.LoadFile("qa_data/tokens/googleContacts.json")
if ($success -ne $true) {
    $("Failed to load googleContacts.json")
    exit
}

$gAuth = New-Object Chilkat.AuthGoogle
$gAuth.AccessToken = $jsonToken.StringOf("access_token")

$rest = New-Object Chilkat.Rest

# Connect using TLS.
$bAutoReconnect = $true
$success = $rest.Connect("www.google.com",443,$true,$bAutoReconnect)

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

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

# To update a contact, we'll first get the contact information
# to get the etag.

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

$rest.AddHeader("GData-Version","3.0")

$sbPath = New-Object Chilkat.StringBuilder
$sbPath.Append("/m8/feeds/contacts/default/full/{contactId}")
# Get the contact having contactId = "5b6d64980b1ed462"
$numReplacements = $sbPath.Replace("{contactId}","5b6d64980b1ed462")

$sbResponseBody = New-Object Chilkat.StringBuilder
$success = $rest.FullRequestNoBodySb("GET",$sbPath.GetAsString(),$sbResponseBody)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

# A successful response will have a status code equal to 200.
if ($rest.ResponseStatusCode -ne 200) {
    $("response status code = " + $rest.ResponseStatusCode)
    $("response status text = " + $rest.ResponseStatusText)
    $("response header: " + $rest.ResponseHeader)
    $("response body: " + $sbResponseBody.GetAsString())
    exit
}

# If the 200 response was received, then the contacts XML is contained
# in the response body.
$xml = New-Object Chilkat.Xml
$xml.LoadSb($sbResponseBody,$false)

$($xml.GetXml())
$("-------------------")

# Get the etag:
$lastKnownEtag = $xml.GetAttrValue("gd:etag")
$("lastKnownEtag = " + $lastKnownEtag)
$("-------------------")

# To delete, send the following:

# 	DELETE /m8/feeds/contacts/default/full/{contactId}
# 	If-Match: {lastKnownEtag}
# 	GData-Version: 3.0

$rest.ClearAllHeaders()
$rest.AddHeader("If-Match",$lastKnownEtag)
$rest.AddHeader("GData-Version","3.0")

# The sbPath already contains the correct path..
$success = $rest.FullRequestNoBodySb("DELETE",$sbPath.GetAsString(),$sbResponseBody)
if ($success -ne $true) {
    $($rest.LastErrorText)
    exit
}

# A successful response will have a status code equal to 200.
if ($rest.ResponseStatusCode -ne 200) {
    $("response status code = " + $rest.ResponseStatusCode)
    $("response status text = " + $rest.ResponseStatusText)
    $("response header: " + $rest.ResponseHeader)
    $("response body: " + $sbResponseBody.GetAsString())
    $("request header: " + $rest.LastRequestHeader)
    exit
}

# The response body for a successful DELETE is empty.
$("Response Body: (should be empty)")
$($sbResponseBody.GetAsString())
$("Success.")