Class: YDIM::CurrencyUpdater

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

Instance Method Summary collapse

Constructor Details

#initialize(serv) ⇒ CurrencyUpdater

Returns a new instance of CurrencyUpdater.



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# File 'lib/ydim/currency_updater.rb', line 8

def initialize(serv)
  @serv = serv
end

Instance Method Details

#extract_conversion(html) ⇒ Object 



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# File 'lib/ydim/currency_updater.rb', line 20

def extract_conversion(html)
  if(match = /1\s+[^<>=]+=\s+(\d+\.\d+)/.match(html))
    match[1]
  end
end

#get_conversion(origin, target) ⇒ Object 



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# File 'lib/ydim/currency_updater.rb', line 25

def get_conversion(origin, target)
  extract_conversion(get_html(origin, target)).to_f
end

#get_html(origin, target) ⇒ Object 



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# File 'lib/ydim/currency_updater.rb', line 28

def get_html(origin, target)
  ## not in test-suite, test manually when modified
  Net::HTTP.start('www.google.com') { |session|
    session.get("/search?q=1+#{origin.upcase}+in+#{target.upcase}").body
  }
end

#run ⇒ Object 



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# File 'lib/ydim/currency_updater.rb', line 11

def run
  curr = @serv.config.currencies.dup
  while(origin = curr.shift)
    curr.each { |target|
      update_conversion(origin, target)
    }
  end
  @serv.currency_converter.odba_store
end

#update_conversion(origin, target) ⇒ Object 



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# File 'lib/ydim/currency_updater.rb', line 34

def update_conversion(origin, target)
  @serv.currency_converter.store(origin, target, 
                                 get_conversion(origin, target))
end