(Ruby) Emoji Tweet

Demonstrates posting a status update that includes an emoji character.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# ----------------------------------------------------------------------
# This initial setup, which involves setting the OAuth1 properties and connecting
# to api.twitter.com, is only required once at the beginning.  Once connected, the same
# object instance may be re-used, and if necessary, it will automatically reconnect
# as needed.

# Assume we've previously obtained an access token and saved it to a JSON file..
json = Chilkat::CkJsonObject.new()
success = json.LoadFile("qa_data/tokens/twitter.json")

rest = Chilkat::CkRest.new()
oauth1 = Chilkat::CkOAuth1.new()

oauth1.put_ConsumerKey("TWITTER_CONSUMER_KEY")
oauth1.put_ConsumerSecret("TWITTER_CONSUMER_SECRET")
oauth1.put_Token(json.stringOf("oauth_token"))
oauth1.put_TokenSecret(json.stringOf("oauth_token_secret"))
oauth1.put_SignatureMethod("HMAC-SHA1")
oauth1.GenNonce(16)

rest.SetAuthOAuth1(oauth1,false)

bAutoReconnect = true
success = rest.Connect("api.twitter.com",443,true,bAutoReconnect)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

# This ends the initial setup...
# ----------------------------------------------------------------------

# For this example, I've pre-created a text file containing two emoji
# characters (the "ghost" emoji, and a "face savouring delicious food" emoji).  
# This text file was saved using the utf-8 encoding.

# The utf-8 bytes for the ghost emoji are 0x9f 0x91 0xbb.  (Note: This is the utf-8
# representation that does not use surrogate pairs.)
# 
# The utf-8 bytes for the "face savouring delicious food" emoji are \xF0\x9F\x98\x8B.

sbText = Chilkat::CkStringBuilder.new()
sbText.LoadFile("qa_data/txt/ghost_emoji.txt","utf-8")
sbText.Prepend("Test tweet using two emoji chars: ")

# Send a tweet...
rest.ClearAllQueryParams()
rest.AddQueryParam("status",sbText.getAsString())
resp = rest.fullRequestFormUrlEncoded("POST","/1.1/statuses/update.json")
if (rest.get_LastMethodSuccess() != true)
    print rest.lastErrorText() + "\n";
    exit
end

jsonResponse = Chilkat::CkJsonObject.new()
jsonResponse.put_EmitCompact(false)
jsonResponse.Load(resp)

if (rest.get_ResponseStatusCode() != 200)
    print jsonResponse.emit() + "\n";
    exit
end

# Show the successful response:
print jsonResponse.emit() + "\n";
print "Success." + "\n";