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A full-stack Facebook Graph API wrapper in Ruby (fork of original).
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 Dependencies

Development

>= 0
>= 0

Runtime

>= 0
>= 0.0.10
 Project Readme

FbGraph¶ ↑

A full-stack Facebook Graph API wrapper in Ruby.

Installation¶ ↑

gem install fb_graph

Resources¶ ↑

Examples¶ ↑

Now FbGraph supports all objects listed here: developers.facebook.com/docs/reference/api/ Almost all connections for each object are also supported. (Private message connections are not supported yet)

Plus, you can play an Rails sample app here. fbgraphsample.heroku.com/

GET¶ ↑

Basic Objects¶ ↑

user = FbGraph::User.me(ACCESS_TOKEN)

user = FbGraph::User.fetch('matake')
user.name    # => 'Nov Matake'
user.picture # => 'https://graph.facebook.com/matake/picture'

# fb_graph doesn't access to Graph API until you call "fetch"
user = FbGraph::User.new('matake', :access_token => YOUR_ACCESS_TOKEN)
user.identifier # => "matake"
user.name # => nil
user.link # => nil
user.fetch
user.name # => "Nov Matake"
user.description # => "http://www.facebook.com/matake"

page = FbGraph::Page.fetch('smartfmteam')
page.name     # => 'smart.fm'
page.picture  # => 'https://graph.facebook.com/smart.fm/picture'

:

Connections¶ ↑

# Public connections
user = FbGraph::User.fetch('matake')
user.feed
user.posts
user.friends
user.tagged
:

# Private connections requires "access_token"
FbGraph::User.new('matake').friends # => raise FbGraph::Unauthorized
user = FbGraph::User.fetch('matake', :access_token => ACCESS_TOKEN)
user.albums
user.events
user.friends
user.likes
:

# "home" connection is only available for "me"
me = User.new('me', :access_token => ACCESS_TOKEN)
me.home
:
# all objects
FbGraph::Searchable.search("FbGraph") # => Array of Hash

# specify type
FbGraph::Page.search("FbGraph") # => Array of FbGraph::Page
FbGraph::User.search("matake", :access_token => ACCESS_TOKEN) # => Array of FbGraph::User

Pagination¶ ↑

# collection
user = FbGraph::User.new('matake', :access_token => ACCESS_TOKEN)
likes = user.likes # => Array of FbGraph::Like
likes.next         # => Array of FbGraph::Like (next page)
likes.previous     # => Array of FbGraph::Like (previous page)
likes.collection.next     # => Hash for pagination options (ex. {"limit"=>"25", "until"=>"2010-08-08T03:17:21+0000"})
likes.collection.previous # => Hash for pagination options (ex. {"limit"=>"25", "since"=>"2010-08-08T06:28:20+0000"})
user.likes(likes.collection.next)     # => same with likes.next
user.likes(likes.collection.previous) # => same with likes.previous

# search results
results = FbGraph::Page.search("FbGraph") # => Array of FbGraph::Page
results.next     # => Array of FbGraph::Page (next page)
results.previous # => Array of FbGraph::Page (next page)
results.klass    # => FbGraph::Page
results.collection.next     # => Hash for pagination options (ex. {"limit"=>"25", "until"=>"2010-08-08T03:17:21+0000"})
results.collection.previous # => Hash for pagination options (ex. {"limit"=>"25", "since"=>"2010-08-08T06:28:20+0000"})
results.klass.search(results.query, results.collection.next)     # => same with results.next
results.klass.search(results.query, results.collection.previous) # => same with results.previous

POST¶ ↑

Update status (wall post)¶ ↑

me = FbGraph::User.me(ACCESS_TOKEN)
me.feed!(
  :message => 'Updating via FbGraph',
  :picture => 'https://graph.facebook.com/matake/picture',
  :link => 'http://github.com/nov/fb_graph',
  :name => 'FbGraph',
  :description => 'A Ruby wrapper for Facebook Graph API'
)

Post a like/comment to a post¶ ↑

post = FbGraph::Page.new(117513961602338).feed.first
bool = post.like!(
  :access_token => ACCESS_TOKEN
)
comment = post.comment!(
  :access_token => ACCESS_TOKEN,
  :message => 'Hey, I\'m testing you!'
)

Post a note¶ ↑

page = FbGraph::Page.new(117513961602338)
note = page.note!(
  :access_token => ACCESS_TOKEN,
  :subject => 'testing',
  :message => 'Hey, I\'m testing you!'
)
me = FbGraph::User.me(ACCESS_TOKEN)
link = me.link!(
  :link => 'http://github.com/nov/fb_graph',
  :message => 'A Ruby wrapper for Facebook Graph API.'
)

Create Event, respond to it¶ ↑

me = FbGraph::User.me(ACCESS_TOKEN)
event = me.event!(
  :name => 'FbGraph test event',
  :start_time => 1.week.from_now.to_i,
  :end_time => 2.week.from_now.to_i
)
bool = event.attending!(
  :access_token => ACCESS_TOKEN
)
bool = event.maybe!(
  :access_token => ACCESS_TOKEN
)
bool = event.declined!(
  :access_token => ACCESS_TOKEN
)

Create an album¶ ↑

me = FbGraph::User.me(ACCESS_TOKEN)
album = me.album!(
  :name => 'FbGraph test',
  :message => 'test test test'
) # => now facebook Graph API returns weird response for this call

Upload a photo to an album¶ ↑

me = FbGraph::User.me(ACCESS_TOKEN)
album = me.albums.first
album.photo!(
  :access_token => ACCESS_TOKEN,
  :image => File.new('/Users/nov/Desktop/nov.gif', 'rb'), # 'rb' is needed only on windows
  :message => 'Hello, where is photo?'
)

DELETE¶ ↑

Delete an object¶ ↑

post = FbGraph::Page.new(117513961602338).feed.first
bool = post.like!(
  :access_token => ACCESS_TOKEN
)
comment = post.comment!(
  :access_token => ACCESS_TOKEN,
  :message => 'Hey, I\'m testing you!'
)
comment.destroy(:access_token => ACCESS_TOKEN)
post.unlike!(:access_token => ACCESS_TOKEN)
post.destroy(:access_token => ACCESS_TOKEN)

Authentication¶ ↑

Both Facebook JavaScript SDK and normal OAuth2 flow is supported. Below I show simple sample code. You can also see github.com/nov/fb_graph_sample for more details Rails3 sample application.

JavaScript SDK¶ ↑

fb_auth = FbGraph::Auth.new(YOUR_APP_ID, YOUR_APPLICATION_SECRET)
fb_auth.client # => OAuth2::Client

# get Facebook's auth cookie in advance using their JS SDK
fb_auth.from_cookie(cookies)
fb_auth.access_token # => OAuth2::AccessToken
fb_auth.user         # => FbGraph::User (only basic attributes)
fb_auth.user.fetch   # => fetch more details

Normal OAuth2 Flow¶ ↑

# redirect user to facebook
redirect_to fb_auth.client.web_server.authorize_url(
  :redirect_uri => "http://your.client.com/facebook/callback",
  :scope => "email,read_stream,offline_access"
)

# in callback
fb_auth.client.web_server.get_access_token(
  params[:code],
  :redirect_uri => callback_facebook_url
) # => OAuth2::AccessToken
FbGraph::User.me(access_token).fetch # => fetch user

Analytics¶ ↑

app = FbGraph::Application.new(YOUR_APP_ID, :secret => YOUR_APPLICATION_SECRET)
app.insights # => Array of FbGraph::Insight

Documents¶ ↑

Currently fb_graph isn’t so well documented.

I’m continuously updating RDoc now, but writing all documents in English is heavy task for me.

Please see RDoc.info (rdoc.info/github/nov/fb_graph), and if the document is missing or hard to understand, please contact me on github.

I’ll add more documents or sample code.

Objects¶ ↑

Connections¶ ↑

Note on Patches/Pull Requests¶ ↑

  • Fork the project.

  • Make your feature addition or bug fix.

  • Add tests for it. This is important so I don’t break it in a future version unintentionally.

  • Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)

  • Send me a pull request. Bonus points for topic branches.

Copyright © 2010 nov matake. See LICENSE for details.