[twitter]

Description

Link: [twitter]
Author: Jason Huck
Category: Utility
Version: 8.5.x
License: Public Domain
Posted: Jan. 04, 2008
Updated: Jan. 03, 2011
More by this author...

This custom type provides an interface to the Twitter API from Lasso. It requires Fletcher Sandbeck's JSON library for Lasso and the [string_truncate] tag here. In addition to the usage examples below, consult the official documentation for a complete list of supported methods. A few method names were changed slightly to avoid duplicate member tag names. For example, there are several "show" methods, which I renamed to be more specific, such as ->show_user and ->show_status. A couple methods required special formatting for dates, so a [date_toHTTP] tag is included in this download.

Parameters

none


Sample Usage

// create a new instance of the twitter type
var('t') = twitter(
	-username='xxxxxxxxx',
	-password='xxxxxxxxx'
);

// get the first item from the public timeline
$t->public_timeline->first;

// get a slice of your friends timeline
$t->friends_timeline( -since=date->subtract( -hour=2)&);

// get 4 items from the user timeline
$t->user_timeline( -count=4);

// show a specific status message
$t->show_status(xxxxxxxxx);

// update your twitter status
$t->update('This Tweet Powered By Lasso.');

// get all replies
$t->replies;

// get a list of your friends
$t->friends;

// get a list of your followers (the -lite option does not appear to work)
$t->followers( -lite=true);

// DEPRECATED: get the current featured twitterers
// $t->featured;

// view all of your direct messages
$t->direct_messages;

// view all of your sent direct messages
$t->sent;

// send a new direct message to a specific user
$t->new( -user='xxxxxxxxx', -text='Sent from Lasso. Let me know if you get this.');

Source Code

Click the "Download" button below to retrieve a copy of this tag, including the complete documentation and sample usage shown on this page. Place the downloaded ".inc" file in your LassoStartup folder, restart Lasso, and you can begin using this tag immediately.
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// Twitter API for Lasso
// (c)2007 - 2011 Jason Huck/Core Five Creative
// Thanks to Lieven Gekiere, Brian Loomis, and Rich Fortnum for contributions.
// requires: JSON library, string_truncate, date_toHTTP (below)

define_tag(
	'toHTTP',
	-namespace='date_',
	-req='in', -type='date',
	-priority='replace',
	-encodenone,
	-description='HTTP-formats the given date.'
);
	local('out') = null;
	!#in->gmt ? #in = date_localtogmt(#in);
	#in->setformat('%Q %T');
	#out = encode_url(string(#in))->replace('%20','+')&;
	return(#out);	
/define_tag;


define_type(
	'twitter',
	-description='Implements the Twitter API in Lasso.'
);
	local(
		'username' = string,
		'password' = string,
		'version' = 1
	);
	
	define_tag(
		'oncreate',
		-opt='username', -type='string',
		-opt='password', -type='string',
		-opt='version'
	);
		local_defined('username') ? self->username = #username;
		local_defined('password') ? self->password = #password;
		local_defined('version') ? self->version = #version;
	/define_tag;

	define_tag('authcheck');
		return(self->username != '' && self->password != '');
	/define_tag;
	
	define_tag(
		'retrieve', 
		-req='path', -type='string',
		-opt='post', -type='array',
		-encodenone
	);
		fail_if(!self->authcheck, -1, 'Username or password not set.');
		
		protect;
			local('response') = string(
				local_defined('post') ? include_url(
					'http://api.supertweet.net/' + self->version + #path,
					-username=self->username,
					-password=self->password,
					-postparams=#post,
					-timeout=15
				) | include_url(
					'http://api.supertweet.net/' + self->version + #path,
					-username=self->username,
					-password=self->password,
					-timeout=15
				)
			);
			
			handle_error;
				local('response') = 'There was a problem communicating with Twitter.';
			/handle_error;
		/protect;
		
		return(decode_json(#response));
	/define_tag;
	
	define_tag(
		'public_timeline',
		-opt='since_id', -type='integer',
		-encodenone
	);
		local('path') = '/statuses/public_timeline.json' + (local_defined('since_id') ? '?since_id=' + #since_id);
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'friends_timeline',
		-opt='id',
		-opt='since', -type='date',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/statuses/friends_timeline' + (local_defined('id') ? '/' + #id) + '.json';
		local_defined('since') || local_defined('page') ? #path += '?';
		local_defined('since') ? #path += 'since=' + date_toHTTP(#since);
		local_defined('page') ? #path += (!#path->endswith('?') ? '&') + 'page=' + #page;
		return(self->retrieve(#path));			
	/define_tag;
	
	define_tag(
		'user_timeline',
		-opt='id',
		-opt='count', -type='integer',
		-opt='since', -type='date',
		-encodenone
	);
		local('path') = '/statuses/user_timeline' + (local_defined('id') ? '/' + #id) + '.json';
		local_defined('count') || local_defined('since') ? #path += '?';
		local_defined('count') ? #path += 'count=' + #count;
		local_defined('since') ? #path += (!#path->endswith('?') ? '&') + 'since=' + date_toHTTP(#since);
		return(self->retrieve(#path));			
	/define_tag;
	
	define_tag(
		'show_status',
		-req='id', -type='integer',
		-encodenone
	);
		local('path') = '/statuses/show/' + #id + '.json';
		return(self->retrieve(#path));			
	/define_tag;
	
	define_tag(
		'update',
		-req='status', -type='string',
		-encodenone
	);
		local('path') = '/statuses/update.json';
		local('post') = array('status' = string_truncate(#status, 160));
		return(self->retrieve(#path, #post));			
	/define_tag;

	define_tag(
		'replies',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/statuses/replies.json';
		local_defined('page') ? #path += '?page=' + #page;
		return(self->retrieve(#path));			
	/define_tag;
	
	define_tag(
		'destroy_status',
		-req='id', -type='integer',
		-encodenone
	);
		local('path') = '/statuses/destroy/' + #id + '.json';
		return(self->retrieve(#path));			
	/define_tag;
	
	define_tag(
		'friends',
		-opt='id',
		-encodenone
	);
		local('path') = '/statuses/friends' + (local_defined('id') ? '/' + #id) + '.json';
		return(self->retrieve(#path));			
	/define_tag;
			
	define_tag(
		'followers',
		-opt='id',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/statuses/followers';
		#path += (local_defined('id') ? '/' + #id) + '.json';
		local_defined('page') && #page ? #path += '?page=' + #page;
		return(self->retrieve(#path));
	/define_tag;

	/* deprecated?
	define_tag('featured');
		local('path') = '/statuses/featured.json';
		return(self->retrieve(#path));
	/define_tag;
	*/
	
	define_tag( // not working
		'show_user',
		-opt='id',
		-opt='email', -type='string',
		-encodenone
	);
		local_defined('id') ? local('path') = '/users/show/' + #id + '.json';
		local_defined('email') ? local('path') = '/users/show.json?email=' + #email;
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'direct_messages',
		-opt='since', -type='date',
		-opt='since_id', -type='integer',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/direct_messages.json';
		params->size ? #path += '?';
		local_defined('since') ? #path += 'since=' + date_toHTTP(#since) + '&';
		local_defined('since_id') ? #path += 'since_id=' + #since_id + '&';
		local_defined('page') ? #path += 'page=' + #page;
		#path->removetrailing('&');
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'sent_direct',
		-opt='since', -type='date',
		-opt='since_id', -type='integer',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/direct_messages/sent.json';
		params->size ? #path += '?';
		local_defined('since') ? #path += 'since=' + date_toHTTP(#since) + '&';
		local_defined('since_id') ? #path += 'since_id=' + #since_id + '&';
		local_defined('page') ? #path += 'page=' + #page;
		#path->removetrailing('&');
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'new_direct',
		-req='user',
		-req='text', -type='string',
		-encodenone
	);
		local('path') = '/direct_messages/new.json';
		local('post') = array(
			'user' = #user,
			'text' = string_truncate(#text, -length=140)
		);
		
		return(self->retrieve(#path, #post));
	/define_tag;
	
	define_tag(
		'destroy_direct',
		-req='id', -type='integer',
		-encodenone
	);
		local('path') = '/direct_messages/destroy/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'create_friendship',
		-req='id',
		-encodenone
	);
		local('path') = '/friendships/create/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'destroy_friendship',
		-req='id',
		-encodenone
	);
		local('path') = '/friendships/destroy/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'exists_friendship',
		-req='user_a',
		-req='user_b',
		-encodenone
	);
		local('path') = '/friendships/exists.json?user_a=';
		#path += encode_url(#user_a) + '&user_b=' + encode_url(#user_b);
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'ids_friends',
		-opt='id',
		-encodenone
	);
		local('path') = '/friends/ids';
		local_defined('id') ? #path += '/' + encode_url(#id);
		#path += '.json';
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'ids_followers',
		-opt='id',
		-encodenone
	);
		local('path') = '/followers/ids';
		local_defined('id') ? #path += '/' + encode_url(#id);
		#path += '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'verify_credentials',
		-encodenone
	);
		local('path') = '/account/verify_credentials.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'end_session',
		-encodenone
	);
		local('path') = '/account/end_session';
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'update_location',
		-req='location', -type='string',
		-encodenone
	);
		local('path') = '/account/update_location.json';
		local('post') = array('location' = string_truncate(#location, 100));
		return(self->retrieve(#path, #post));
	/define_tag;

	define_tag(
		'update_delivery_device',
		-req='device', -type='string',
		-encodenone
	);
		fail_if((: 'sms', 'im', 'none') !>> #device, -1, 'Not an allowed device.');
		local('path') = '/account/update_delivery_device.json?device=' + #device;
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'update_profile_colors',
		-opt='profile_background_color',
		-opt='profile_text_color',
		-opt='profile_link_color',
		-opt='profile_sidebar_fill_color',
		-opt='profile_sidebar_border_color',
		-encodenone
	);
		fail_if(!params->size, -1, 'At least one color must be specified.');
		local('path') = '/account/update_profile_colors.json';
		local('post') = array;
		
		iterate(params, local('i'));
			#post->insert(string(#i->first)->removeleading('-')& = #i->second);
		/iterate;
		
		return(self->retrieve(#path, #post));
	/define_tag;

	/* Not currently implemented: 
		update_profile_image, 
		update_profile_background_image
	*/

	define_tag(
		'rate_limit_status',
		-encodenone
	);
		local('path') = '/account/rate_limit_status.json';
		return(self->retrieve(#path));
	/define_tag;

	define_tag(
		'update_profile',
		-opt='name',
		-opt='email',
		-opt='url',
		-opt='location',
		-opt='description',
		-encodenone
	);
		fail_if(!params->size, -1, 'At least one parameter must be provided.');
		local('path') = '/account/update_profile.json';
		local('post') = array;
		
		iterate(params, local('i'));
			#post->insert(string(#i->first)->removeleading('-')& = #i->second);
		/iterate;
		
		return(self->retrieve(#path, #post));
	/define_tag;
	
	/* deprecated?
	define_tag(
		'archive',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/account/archive.json';
		local_defined('page') ? #path += '?page=' + #page;
		return(self->retrieve(#path));
	/define_tag;
	*/
	
	define_tag(
		'favorites',
		-opt='id',
		-opt='page', -type='integer',
		-encodenone
	);
		local('path') = '/favorites' + (local_defined('id') ? '/' + #id) + '.json';
		local_defined('page') ? #path += '?page=' + #page;
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'create_favorite',
		-req='id', -type='integer',
		-encodenone
	);
		local('path') = '/favorites/create/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'destroy_favorite',
		-req='id', -type='integer',
		-encodenone
	);
		local('path') = '/favorites/destroy/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'follow_notification',
		-req='id',
		-encodenone
	);
		local('path') = '/notifications/follow/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'leave_notification',
		-req='id',
		-encodenone
	);
		local('path') = '/notifications/leave/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'create_block',
		-req='id',
		-encodenone
	);
		local('path') = '/blocks/create/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag(
		'destroy_block',
		-req='id',
		-encodenone
	);
		local('path') = '/blocks/destroy/' + #id + '.json';
		return(self->retrieve(#path));
	/define_tag;
	
	define_tag('test');
		local('path') = '/help/test.json';
		return(self->retrieve(#path));
	/define_tag;
/define_type;

 

Related Tags



Comments

11/03/2011, Wade Maxfield
t.co wrapping?
Please ignore: Testing to see if new t.co wrapping breaks hyperlinks in twitterific
01/03/2011, Jason Huck
Updated to reflect API changes.
Updated to include the version number in the API endpoints. Defaults to '1', but can be overridden by passing a value to the -version keyword in the constructor. Thanks to Rich Fortnum for bringing this to my attention.
01/03/2011, Jason Huck
Testing API changes (again).
Testing update to include version number in API endpoints.
09/09/2010, Jason Huck
Okay, one more try. :)
Testing SuperTweet integration.
09/09/2010, Jason Huck
Testing SuperTweet Integration
tagSwap's Twitter notifications should be back up and running now, thanks to SuperTweet!
09/09/2010, Jason Huck
SuperTweet Integration
Updated to use the SuperTweet proxy to work around the need for OAuth support. See http://www.supertweet.net/.
02/24/2009, Jason Huck
Bug Fixes
Corrected several syntax errors caused by some 4am coding.
02/24/2009, Jason Huck
More New Methods
As of this posting, the [twitter] type supports all documented methods of the Twitter API with the exception of ->update_profile_image and ->update_profile_background_image.
02/24/2009, Jason Huck
New Methods Added
Two new methods have been added: ->follows_user, contributed by Brian Loomis, and ->update_location, contributed by Lieven Gekiere.
05/14/2008, Lieven Gekiere
Twitter API updated
The last few weeks the Twitter API has received a few updates.... It is now possible to add your location to your profile... Just add the following lines to the Twitter custom type. define_tag( 'update_location', -req='location', -type='string', -encodenone ); local('path') = '/account/update_location.json'; local('post') = array('location' = string_truncate(#location, 100)); return(self->retrieve(#path, #post)); /define_tag; And post to Twitter via : $t->update_location('My location in the world');
02/02/2008, Jason Huck
Follow tagSwap on Twitter
Thanks to this custom type, you can now receive updates about tagSwap.net via Twitter. Follow tagSwap to get instant notifications whenever tags are added or edited, or when comments are posted. (http://twitter.com/tagSwap)

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