52 lines
1 KiB
Ruby
52 lines
1 KiB
Ruby
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# frozen_string_literal: true
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require "roda"
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module Versions
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class V1 < Roda
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class Query
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class << self
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def build(params)
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query = new(params).to_h
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raise ArgumentError, "bad currency pair" if [query[:base]] == query[:symbols]
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query
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end
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end
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def initialize(params = {})
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@params = params
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end
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def amount
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return unless @params[:amount]
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value = @params[:amount].to_f
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raise ArgumentError, "invalid amount" unless value.positive?
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value
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end
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def base
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@params.values_at(:from, :base).compact.first&.upcase
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end
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def symbols
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@params.values_at(:to, :symbols).compact.first&.upcase&.split(",")
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end
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def date
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if @params[:date]
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Date.parse(@params[:date])
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else
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(Date.parse(@params[:start_date])..Date.parse(@params[:end_date]))
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end
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end
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def to_h
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{ amount:, base:, date:, symbols: }.compact
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end
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end
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end
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end
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