(SQL Server) Upload Media to Twitter

Demonstrates uploading image or video files to Twitter. After uploading, the media_id can be used to attach the uploaded media to a tweet.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @iTmp1 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- It requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    -- Assume we've previously obtained an access token and saved it to a JSON file..
    DECLARE @jsonToken int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonToken OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @jsonToken, 'LoadFile', @success OUT, 'qa_data/tokens/twitter.json'

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT

    -- Provide the OAuth 1.0a credentials:
    EXEC sp_OASetProperty @http, 'OAuth1', 1
    EXEC sp_OASetProperty @http, 'OAuthConsumerKey', 'TWITTER_CONSUMER_KEY'
    EXEC sp_OASetProperty @http, 'OAuthConsumerSecret', 'TWITTER_CONSUMER_SECRET'
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'oauth_token'
    EXEC sp_OASetProperty @http, 'OAuthToken', @sTmp0
    EXEC sp_OAMethod @jsonToken, 'StringOf', @sTmp0 OUT, 'oauth_token_secret'
    EXEC sp_OASetProperty @http, 'OAuthTokenSecret', @sTmp0

    DECLARE @req int
    -- Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'
    EXEC sp_OASetProperty @req, 'ContentType', 'multipart/form-data'
    EXEC sp_OASetProperty @req, 'Path', '/1.1/media/upload.json'

    EXEC sp_OAMethod @req, 'AddHeader', NULL, 'Expect', '100-continue'

    -- Add a JPEG image file to the upload.
    DECLARE @fac int
    -- Use "Chilkat_9_5_0.FileAccess" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.FileAccess', @fac OUT

    EXEC sp_OAMethod @fac, 'ReadEntireFile', @jpgBytes OUT, 'qa_data/jpg/starfish.jpg'
    EXEC sp_OAMethod @req, 'AddBytesForUpload', @success OUT, 'media', 'starfish.jpg', @jpgBytes

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'SynchronousRequest', @resp OUT, 'upload.twitter.com', 443, 1, @req
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @fac
        RETURN
      END

    DECLARE @jsonResponse int
    -- Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonResponse OUT

    EXEC sp_OASetProperty @jsonResponse, 'EmitCompact', 0
    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    EXEC sp_OAMethod @jsonResponse, 'Load', @success OUT, @sTmp0

    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN
        EXEC sp_OAMethod @jsonResponse, 'Emit', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jsonToken
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @fac
        EXEC @hr = sp_OADestroy @jsonResponse
        RETURN
      END

    EXEC @hr = sp_OADestroy @resp

    -- Show the successful response:
    EXEC sp_OAMethod @jsonResponse, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    PRINT 'Success.'

    -- A successful JSON response looks like this:

    -- 	{
    -- 	  "media_id": 793137045996646400,
    -- 	  "media_id_string": "793137045996646400",
    -- 	  "size": 6229,
    -- 	  "expires_after_secs": 86400,
    -- 	  "image": {
    -- 	    "image_type": "image\/jpeg",
    -- 	    "w": 120,
    -- 	    "h": 120
    -- 	  }
    -- 	}
    -- 

    -- Get the information from the JSON:

    EXEC sp_OAMethod @jsonResponse, 'StringOf', @sTmp0 OUT, 'media_id_string'
    PRINT 'media_id_string = ' + @sTmp0

    EXEC sp_OAMethod @jsonResponse, 'IntOf', @iTmp0 OUT, 'size'
    PRINT 'size = ' + @iTmp0

    EXEC sp_OAMethod @jsonResponse, 'StringOf', @sTmp0 OUT, 'image.image_type'
    PRINT 'image_type = ' + @sTmp0

    EXEC sp_OAMethod @jsonResponse, 'IntOf', @iTmp0 OUT, 'image.w'

    EXEC sp_OAMethod @jsonResponse, 'IntOf', @iTmp1 OUT, 'image.h'
    PRINT 'height/width = ' + @iTmp0 + ',' + @iTmp1

    EXEC @hr = sp_OADestroy @jsonToken
    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @fac
    EXEC @hr = sp_OADestroy @jsonResponse


END
GO