Lua

Google Contacts - Adding/Updating a photo for a contact

See more Google APIs Examples

Demonstrates how to upload a photo for a Google Contact. Lua

local chilkat = require("chilkat")

-- 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

local jsonToken = chilkat.JsonObject.new()
local success = jsonToken:load_file("qa_data/tokens/googleContacts.json")
if not success then
    print("Failed to load googleContacts.json")
    return
end

local gAuth = chilkat.AuthGoogle.new()
gAuth.access_token = jsonToken:string_of("access_token")

local rest = chilkat.Rest.new()

-- Connect using TLS.
local bAutoReconnect = true
success = rest:connect("www.google.com", 443, true, bAutoReconnect)

-- Provide the authentication credentials (i.e. the access token)
rest:set_auth_google(gAuth)

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

-- To upload a photo for the contact, send the following:

--     PUT /m8/feeds/photos/media/default/contactId
--     If-match: Etag
--     Content-Type: image/*
--     ...
--     [Photo data bytes]

rest:add_header("GData-Version", "3.0")
rest:add_header("If-Match", "*")
rest:add_header("Content-Type", "image/*")

local sbPath = chilkat.StringBuilder.new()
sbPath:append("/m8/feeds/photos/media/default/{contactId}")
-- Upload a photo for the contact having contactId = "1ea2e4fe0ef24e09"
local numReplacements = sbPath:replace("{contactId}", "1ea2e4fe0ef24e09")

-- Let's get our photo data..
local pngData = chilkat.BinData.new()
success = pngData:load_file("qa_data/png/dude.png")

local sbResponseBody = chilkat.StringBuilder.new()
success = rest:full_request_bd("PUT", sbPath:get_as_string(), pngData, sbResponseBody)
if not success then
    print(rest.last_error_text)
    return
end

-- A successful response will have a status code equal to 200.
if rest.response_status_code ~= 200 then
    print("response status code = " .. rest.response_status_code)
    print("response status text = " .. rest.response_status_text)
    print("response header: " .. rest.response_header)
    print("response body: " .. sbResponseBody:get_as_string())
    return
end

-- If the 200 success response was received.
print("Response Body:")
print(sbResponseBody:get_as_string())
print("Success.")