Class: CodeforcesAPI::Client

Inherits:
Object
  • Object
show all
Includes:
Configuration
Defined in:
lib/codeforces_api/client.rb,
lib/codeforces_api/client/helper.rb

Constant Summary collapse

API_URI = 
'http://codeforces.com/api'

Constants included from Configuration

CodeforcesAPI::Configuration::ATTRS

Instance Method Summary collapse

Methods included from Configuration

#configure, #options, #reset!, #using_api?

Constructor Details

#initialize(options = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/codeforces_api/client.rb', line 27

def initialize options = {}
  options.each{ |k, v| instance_variable_set(:"@#{k}", v) }
end

Instance Method Details

#contest ⇒ Object 



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# File 'lib/codeforces_api/client.rb', line 35

def contest
  @contest ||= CodeforcesAPI::MethodClass::Contest.new
end

#get(method, required_params, optional_params = {}) ⇒ Object 



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# File 'lib/codeforces_api/client/helper.rb', line 26

def get method, required_params, optional_params = {}
  params = required_params.merge(optional_params)
  uri = URI(request_url(method, params))
  http_response = Net::HTTP.get(uri)
  json_response = JSON.parse(http_response)
end

#post_form(options = {}) ⇒ Object 



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# File 'lib/codeforces_api/client/helper.rb', line 9

def post_form options = {}
  options.collect{ |k, v| "#{k}=#{v}" }.join('&')
end

#problemset ⇒ Object 



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# File 'lib/codeforces_api/client.rb', line 39

def problemset
  @problemset ||= CodeforcesAPI::MethodClass::ProblemSet.new
end

#rand6 ⇒ Object 



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# File 'lib/codeforces_api/client/helper.rb', line 5

def rand6
  [*0..5].collect{ rand(10) }.join
end

#request_url(method, _params) ⇒ Object 



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# File 'lib/codeforces_api/client/helper.rb', line 13

def request_url method, _params
  url = "#{API_URI}/#{method}?#{post_form(_params)}"
  return url unless using_api?
  salt = rand6()
  time = Time.now.to_i
  info = {'apiKey' => @key, 'time' => time}
  params = _params.merge(info).map{|k, v| [k.to_s, v]}.sort.to_h
  digest_string = "#{salt}/#{method}?#{post_form(params)}##{@secret}"
  api_sig = Digest::SHA2.new(512).hexdigest(digest_string)
  params.merge!('apiSig'=>"#{salt}#{api_sig}")
  "#{API_URI}/#{method}?#{post_form(params)}"
end

#user ⇒ Object 



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# File 'lib/codeforces_api/client.rb', line 31

def user
  @user ||= CodeforcesAPI::MethodClass::User.new
end