(PureBasic) Twitter Simple Tweet (Post Status Update)

Demonstrates sending a simple Twitter status update (tweet).

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkRest.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkOAuth1.pb"

Procedure ChilkatExample()

    ; It 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.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i = CkJsonObject::ckLoadFile(json,"qa_data/tokens/twitter.json")

    rest.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    oauth1.i = CkOAuth1::ckCreate()
    If oauth1.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkOAuth1::setCkConsumerKey(oauth1, "TWITTER_CONSUMER_KEY")
    CkOAuth1::setCkConsumerSecret(oauth1, "TWITTER_CONSUMER_SECRET")
    CkOAuth1::setCkToken(oauth1, CkJsonObject::ckStringOf(json,"oauth_token"))
    CkOAuth1::setCkTokenSecret(oauth1, CkJsonObject::ckStringOf(json,"oauth_token_secret"))
    CkOAuth1::setCkSignatureMethod(oauth1, "HMAC-SHA1")
    CkOAuth1::ckGenNonce(oauth1,16)

    CkRest::ckSetAuthOAuth1(rest,oauth1,0)

    bAutoReconnect.i = 1
    success = CkRest::ckConnect(rest,"api.twitter.com",443,1,bAutoReconnect)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkJsonObject::ckDispose(json)
        CkRest::ckDispose(rest)
        CkOAuth1::ckDispose(oauth1)
        ProcedureReturn
    EndIf

    ; This ends the initial setup...
    ; ----------------------------------------------------------------------

    tweetContent.s = "This is a test tweet."

    ; Send a tweet...
    CkRest::ckClearAllQueryParams(rest)
    CkRest::ckAddQueryParam(rest,"status",tweetContent)
    resp.s = CkRest::ckFullRequestFormUrlEncoded(rest,"POST","/1.1/statuses/update.json")
    If CkRest::ckLastMethodSuccess(rest) <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkJsonObject::ckDispose(json)
        CkRest::ckDispose(rest)
        CkOAuth1::ckDispose(oauth1)
        ProcedureReturn
    EndIf

    jsonResponse.i = CkJsonObject::ckCreate()
    If jsonResponse.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::setCkEmitCompact(jsonResponse, 0)
    CkJsonObject::ckLoad(jsonResponse,resp)

    If CkRest::ckResponseStatusCode(rest) <> 200
        Debug CkJsonObject::ckEmit(jsonResponse)
        CkJsonObject::ckDispose(json)
        CkRest::ckDispose(rest)
        CkOAuth1::ckDispose(oauth1)
        CkJsonObject::ckDispose(jsonResponse)
        ProcedureReturn
    EndIf

    ; Show the successful response:
    Debug CkJsonObject::ckEmit(jsonResponse)
    Debug "Success."

    ; A successful JSON response looks like this:

    ; 	{
    ; 	  "created_at": "Tue Oct 18 01:58:44 +0000 2016",
    ; 	  "id": 788111589581114111,
    ; 	  "id_str": "788111189585711352",
    ; 	  "text": "This is a test tweet.",
    ; 	  "truncated": false,
    ; 	  "entities": {
    ; 	    "hashtags": [
    ; 	    ],
    ; 	    "symbols": [
    ; 	    ],
    ; 	    "user_mentions": [
    ; 	    ],
    ; 	    "urls": [
    ; 	    ]
    ; 	  },
    ; 	  "source": "\u003ca href=\"https:\/\/www.chilkatsoft.com\/\" rel=\"nofollow\"\u003eChilkatTestApp\u003c\/a\u003e",
    ; 	  "in_reply_to_status_id": null,
    ; 	  "in_reply_to_status_id_str": null,
    ; 	  "in_reply_to_user_id": null,
    ; 	  "in_reply_to_user_id_str": null,
    ; 	  "in_reply_to_screen_name": null,
    ; 	  "user": {
    ; 	    "id": 85647455,
    ; 	    "id_str": "85647455",
    ; 	    "name": "Chilkat Software",
    ; 	    "screen_name": "chilkatsoft",
    ; 	    "location": "",
    ; 	    "description": "",
    ; 	    "url": "https:\/\/t.co\/hSTR4sOuis",
    ; 	    "entities": {
    ; 	      "url": {
    ; 	        "urls": [
    ; 	          {
    ; 	            "url": "https:\/\/t.co\/hSTR4sOuis",
    ; 	            "expanded_url": "http:\/\/www.chilkatsoft.com",
    ; 	            "display_url": "chilkatsoft.com",
    ; 	            "indices": [
    ; 	              0,
    ; 	              23
    ; 	            ]
    ; 	          }
    ; 	        ]
    ; 	      },
    ; 	      "description": {
    ; 	        "urls": [
    ; 	        ]
    ; 	      }
    ; 	    },
    ; 	    "protected": false,
    ; 	    "followers_count": 36,
    ; 	    "friends_count": 0,
    ; 	    "listed_count": 4,
    ; 	    "created_at": "Tue Oct 27 19:56:13 +0000 2009",
    ; 	    "favourites_count": 0,
    ; 	    "utc_offset": null,
    ; 	    "time_zone": null,
    ; 	    "geo_enabled": false,
    ; 	    "verified": false,
    ; 	    "statuses_count": 6,
    ; 	    "lang": "en",
    ; 	    "contributors_enabled": false,
    ; 	    "is_translator": false,
    ; 	    "is_translation_enabled": false,
    ; 	    "profile_background_color": "C0DEED",
    ; 	    "profile_background_image_url": "http:\/\/abs.twimg.com\/images\/themes\/theme1\/bg.png",
    ; 	    "profile_background_image_url_https": "https:\/\/abs.twimg.com\/images\/themes\/theme1\/bg.png",
    ; 	    "profile_background_tile": false,
    ; 	    "profile_image_url": "http:\/\/pbs.twimg.com\/profile_images\/115893001012741111\/clLweDSg_normal.jpg",
    ; 	    "profile_image_url_https": "https:\/\/pbs.twimg.com\/profile_images\/115893001012741111\/clLweDSg_normal.jpg",
    ; 	    "profile_link_color": "0084B4",
    ; 	    "profile_sidebar_border_color": "C0DEED",
    ; 	    "profile_sidebar_fill_color": "DDEEF6",
    ; 	    "profile_text_color": "333333",
    ; 	    "profile_use_background_image": true,
    ; 	    "has_extended_profile": false,
    ; 	    "default_profile": true,
    ; 	    "default_profile_image": false,
    ; 	    "following": false,
    ; 	    "follow_request_sent": false,
    ; 	    "notifications": false
    ; 	  },
    ; 	  "geo": null,
    ; 	  "coordinates": null,
    ; 	  "place": null,
    ; 	  "contributors": null,
    ; 	  "is_quote_status": false,
    ; 	  "retweet_count": 0,
    ; 	  "favorite_count": 0,
    ; 	  "favorited": false,
    ; 	  "retweeted": false,
    ; 	  "lang": "en"
    ; 	}
    ; 


    CkJsonObject::ckDispose(json)
    CkRest::ckDispose(rest)
    CkOAuth1::ckDispose(oauth1)
    CkJsonObject::ckDispose(jsonResponse)


    ProcedureReturn
EndProcedure