Class: HackerNews

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

Constant Summary collapse

VERSION = 
'0.1.0'
BASE_URL = 
'http://news.ycombinator.com'
USER_URL = 
'http://news.ycombinator.com/user?id=%s'

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(username, password) ⇒ HackerNews

Creates a new HackerNews object. Specify your username and password.



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# File 'lib/hackernews.rb', line 19

def initialize(username, password)
   = open(BASE_URL).read.match(/href="([^"]+)">login<\/a>/)[1]
  form_html = open(BASE_URL + ).read
  submit_url = URI.parse(BASE_URL)
  response = Net::HTTP.new(submit_url.host, submit_url.port).start do |http|
    req = Net::HTTP::Post.new('/y')
    req.set_form_data(
      'fnid' => form_html.match(/<input type=hidden name="fnid" value="([^"]+)"/)[1],
      'u'    => username,
      'p'    => password
    )
    http.request(req)
  end
  @cookie = response.header['set-cookie']
  @username = username
  @password = password
end

Class Method Details

.version ⇒ Object

Returns the version string for the library.



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# File 'lib/hackernews.rb', line 10

def self.version
  VERSION
end

Instance Method Details

#average_karma ⇒ Object

Retrieves the average karma per post for the logged in user.



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# File 'lib/hackernews.rb', line 43

def average_karma
  user_page.match(/<td valign=top>avg:<\/td><td>([\d\.]+)<\/td>/)[1]
end

#karma(username = nil) ⇒ Object

Retrieves the karma for the logged in user, or for the specified username (if given).



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# File 'lib/hackernews.rb', line 38

def karma(username=nil)
  user_page(username).match(/<td valign=top>karma\:<\/td><td>(\d+)<\/td>/)[1]
end

#user_page(username = nil) ⇒ Object

Retrieves the user page html for the specified username (or the current logged in user if none is specified).



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# File 'lib/hackernews.rb', line 48

def user_page(username=nil)
  username ||= @username
  @user_pages ||= {}
  @user_pages[username] ||= begin
    url = URI.parse(USER_URL % username)
    response = Net::HTTP.start(url.host, url.port) do |http|
      header = {'Cookie' => @cookie}
      http.get(url.path + '?' + url.query, header)
    end
    response.body
  end
end