Class: FlickrApiRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/flickr/interaction/flickr_api_request.rb

Constant Summary collapse

API_RSP = 
'json'
API_REQ = 
'rest'
API_URL = 
"https://api.flickr.com/services/#{API_REQ}/"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(tokens) ⇒ FlickrApiRequest

Returns a new instance of FlickrApiRequest.



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# File 'lib/flickr/interaction/flickr_api_request.rb', line 14

def initialize(tokens)
	@tokens = tokens
	@arguments = { 'format' => API_RSP, 'api_key' => @tokens.api_key }
end

Instance Attribute Details

#tokens ⇒ Object (readonly)

Returns the value of attribute tokens.



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# File 'lib/flickr/interaction/flickr_api_request.rb', line 12

def tokens
  @tokens
end

Instance Method Details

#call(method, arguments, authenticated, get) ⇒ Object 



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# File 'lib/flickr/interaction/flickr_api_request.rb', line 19

def call(method, arguments, authenticated, get)
	arguments ? arguments = arguments.merge(@arguments) : arguments = @arguments

	arguments = arguments.merge({'method' => method})
   arguments = objects_to_strings(arguments)
	arguments = remove_blank_args(arguments)

	if authenticated
		if !@tokens.auth_token
			return {'stat' => 'fail'}
		end

		arguments = arguments.merge({'auth_token' => @tokens.auth_token})
   end
   
   arguments = sign_request(arguments)

	begin
		JSON.parse strip_function(Request.make(API_URL, arguments.class == Array ? arguments : arguments.to_a, get))
	rescue JSON::ParserError
		nil
	end
end

#sign_request(arguments) ⇒ Object 



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# File 'lib/flickr/interaction/flickr_api_request.rb', line 43

def sign_request(arguments)
	arguments = sort_arguments(arguments)

	api_sig = @tokens.shared_secret.clone
	arguments.each { |item| api_sig << item[0].to_s + item[1].to_s }
	sig_digest = Digest::MD5.hexdigest(api_sig)

	arguments.insert(0, ['api_sig', sig_digest])

	arguments
end