44 lines
875 B
Ruby
44 lines
875 B
Ruby
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# frozen_string_literal: true
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require "roda"
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require "rate"
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require "money/currency"
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module Versions
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class V1 < Roda
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class CurrencyNames
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def cache_key
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return if currencies.empty?
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Digest::MD5.hexdigest(currencies.first[:date].to_s)
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end
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def formatted
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return {} if currencies.empty?
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iso_codes.to_h do |iso_code|
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[iso_code, Money::Currency.find(iso_code).name]
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end
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end
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private
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def iso_codes
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currencies.map { |c| c[:quote] }.append("EUR").sort
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end
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def currencies
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@currencies ||= find_currencies
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end
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def find_currencies
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require "carry_forward"
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today = Date.today
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rows = Rate.where(provider: "ECB").where(date: (today - 14)..today).naked.all
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CarryForward.apply(rows, date: today)
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end
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end
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end
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end
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