Class: HyperGraph

Inherits:
Object
  • Object
show all
Defined in:
lib/hyper_graph.rb

Overview

HyperGraph acts as a facade for the Facebook Graph API. It handles network calls and JSON response parsing.

Constant Summary collapse

API_URL = 
'graph.facebook.com'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(access_token) ⇒ HyperGraph

Instance methods



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# File 'lib/hyper_graph.rb', line 133

def initialize(access_token)
  @access_token = access_token
end

Class Method Details

.authorize_url(client_id, redirect_uri, options = {}) ⇒ Object

Redirect users to this url to get authorization



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# File 'lib/hyper_graph.rb', line 49

def authorize_url(client_id, redirect_uri, options={})
  "https://#{API_URL}/oauth/authorize?#{build_query(options.merge(:client_id => client_id, :redirect_uri => redirect_uri))}"
end

.delete(requested_object_id, options = {}) ⇒ Object

Send a delete request to the graph



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# File 'lib/hyper_graph.rb', line 44

def delete(requested_object_id, options = {})
   post(requested_object_id, options.merge(:method => 'delete'))
end

.get(requested_object_id, options = {}) ⇒ Object

Request an object from the social graph



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# File 'lib/hyper_graph.rb', line 18

def get(requested_object_id, options = {})
  http = initialize_http_connection
  request_path = "/#{requested_object_id}"
  
  query = build_query(options)   
  request_path << "?#{query}" unless query==""
  
  http_response = http.get(request_path)
  data = extract_data(JSON.parse(http_response.body))
  normalize_response(data)
end

.get_access_token(client_id, client_secret, redirect_uri, code) ⇒ Object 



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# File 'lib/hyper_graph.rb', line 53

def get_access_token(client_id, client_secret, redirect_uri, code)
  http = initialize_http_connection
  request_path = "/oauth/access_token"
  request_path << "?#{build_query(:client_id => client_id, :client_secret => client_secret, :redirect_uri => redirect_uri, :code => code)}"
  http_response = http.get(request_path)
  http_response.body.split('=')[1]
end

.post(requested_object_id, options = {}) ⇒ Object

Post an object to the graph



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# File 'lib/hyper_graph.rb', line 31

def post(requested_object_id, options = {})
  http = initialize_http_connection
  request_path = "/#{requested_object_id}"
  http_response = http.post(request_path, build_query(options))
  if http_response.body=='true'
    return true
  else
    data = extract_data(JSON.parse(http_response.body))
    return normalize_response(data)
  end
end

Instance Method Details

#delete(requested_object_id, options = {}) ⇒ Object 



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# File 'lib/hyper_graph.rb', line 149

def delete(requested_object_id, options = {})
  self.class.delete(requested_object_id, options.merge(:access_token => @access_token))
end

#get(requested_object_id, options = {}) ⇒ Object 



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# File 'lib/hyper_graph.rb', line 141

def get(requested_object_id, options = {})
  self.class.get(requested_object_id, options.merge(:access_token => @access_token))
end

#object(id) ⇒ Object 



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# File 'lib/hyper_graph.rb', line 137

def object(id)
  HyperGraphObject.new(self, id)
end

#post(requested_object_id, options = {}) ⇒ Object 



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# File 'lib/hyper_graph.rb', line 145

def post(requested_object_id, options = {})
  self.class.post(requested_object_id, options.merge(:access_token => @access_token))
end