Class: GreenDay::AtcoderClient

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

Constant Summary collapse

ATCODER_ENDPOINT = 
'https://atcoder.jp'
'.cookie-store'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AtcoderClient

Returns a new instance of AtcoderClient.



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# File 'lib/green_day/atcoder_client.rb', line 21

def initialize
  @cookie_jar = create_or_load_cookie_jar
  @conn = Faraday.new(url: ATCODER_ENDPOINT) do |builder|
    builder.use :cookie_jar, jar: cookie_jar
    builder.request :url_encoded
    builder.adapter :net_http
  end
end

Instance Attribute Details

#conn ⇒ Object (readonly)

Returns the value of attribute conn.



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# File 'lib/green_day/atcoder_client.rb', line 11

def conn
  @conn
end

#cookie_jar ⇒ Object (readonly)

Returns the value of attribute cookie_jar.



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# File 'lib/green_day/atcoder_client.rb', line 11

def cookie_jar
  @cookie_jar
end

Class Method Details

.get_parsed_body(path) ⇒ Object 



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# File 'lib/green_day/atcoder_client.rb', line 17

def self.get_parsed_body(path)
  new.get_parsed_body(path)
end

.login(username, password) ⇒ Object 



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# File 'lib/green_day/atcoder_client.rb', line 13

def self.(username, password)
  new.(username, password)
end

Instance Method Details

#get_parsed_body(path) ⇒ Object 



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# File 'lib/green_day/atcoder_client.rb', line 30

def get_parsed_body(path)
  res = conn.get(path)
  if res.status == 429
    puts "429 error with #{path} retrying..."
    sleep 1
    return get_parsed_body(path)
  end

  Nokogiri::HTML.parse(res.body)
end

#login(username, password) ⇒ Object 



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# File 'lib/green_day/atcoder_client.rb', line 41

def (username, password)
  csrf_token = obtain_atcoder_csrf_token

  conn.post('/login',
            username:,
            password:,
            csrf_token:)

  unless 
    ## ex error:Username or Password is incorrect
    raise Error, CGI.unescape(flash_cookie.value).split('.').shift
  end

  cookie_jar.save(COOKIE_FILE_NAME)
end