class EiaFuel::Series
Attributes
copyright[R]
data[R]
description[R]
end[R]
frequency[R]
geography[R]
iso3166[R]
name[R]
series_id[R]
source[R]
start[R]
units[R]
unitsshort[R]
updated[R]
Public Class Methods
new(series = nil)
click to toggle source
# File lib/eia_fuel/series.rb, line 20 def initialize(series = nil) if series [:series_id, :name, :units, :frequency, :unitsshort, :description, :copyright, :source, :iso3166, :geography].each do |var| self.instance_variable_set "@#{var}", series[var.to_s] end @start = Date.strptime(series["end"], "%Y%m%d") @end = Date.strptime(series["end"], "%Y%m%d") @updated = Date.parse(series["updated"]) @data = generate_data(series["data"]) end end
Public Instance Methods
latest_price()
click to toggle source
# File lib/eia_fuel/series.rb, line 32 def latest_price data.first.price end
Private Instance Methods
generate_data(data_array)
click to toggle source
# File lib/eia_fuel/series.rb, line 38 def generate_data(data_array) data_array.map do |tuple| Tuple.new(Date.strptime(tuple.first, "%Y%m%d"), tuple.last) end end