Class: ANP

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(city = nil, fuel = nil) ⇒ ANP

Returns a new instance of ANP.

Raises:

  • (ArgumentError) 


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# File 'lib/anp_prices.rb', line 7

def initialize(city = nil, fuel = nil)
  raise ArgumentError if city.nil? or fuel.nil?

  RestClient.proxy = ENV["http_proxy"]

  @city = find_code_of(city)
  @fuel = fuel
end

Instance Attribute Details

#city ⇒ Object (readonly)

Returns the value of attribute city.



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# File 'lib/anp_prices.rb', line 5

def city
  @city
end

#fuel ⇒ Object (readonly)

Returns the value of attribute fuel.



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# File 'lib/anp_prices.rb', line 5

def fuel
  @fuel
end

Instance Method Details

#prices ⇒ Object 



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# File 'lib/anp_prices.rb', line 16

def prices
  lines = []

  request_page.each do |node|
    node.inner_html.each_line.with_index do |line, index|
      next if index < 34

      line.encode! "ISO-8859-1", "UTF-8", :invalid => :replace, :replace => "?"
      line.gsub! /<(.*?)>/, ""

      lines << line.strip
    end
  end

  push_values_with lines
end