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7ae25dd6df
* Implement Synth as an exchange rate provider * Add assertions to provider interface test * Assert the correct provider error is raised * Remove unnecessary parens
22 lines
644 B
Ruby
22 lines
644 B
Ruby
class ExchangeRate < ApplicationRecord
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include Provided
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validates :base_currency, :converted_currency, presence: true
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class << self
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def find_rate(from:, to:, date:)
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find_by \
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base_currency: Money::Currency.new(from).iso_code,
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converted_currency: Money::Currency.new(to).iso_code,
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date: date
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end
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def find_rate_or_fetch(from:, to:, date:)
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find_rate(from:, to:, date:) || fetch_rate_from_provider(from:, to:, date:).tap(&:save!)
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end
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def get_rate_series(from, to, date_range)
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where(base_currency: from, converted_currency: to, date: date_range).order(:date)
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end
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end
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end
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