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6fa40e0fa2
* Fetch exchnage rates in bulk * Handle paginated response * Rename method and improve tests * Change argument names * Use standard date format
58 lines
1.4 KiB
Ruby
58 lines
1.4 KiB
Ruby
module ExchangeRate::Provided
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extend ActiveSupport::Concern
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include Providable
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class_methods do
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private
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def fetch_rates_from_provider(from:, to:, start_date:, end_date: Date.current, cache: false)
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return [] unless exchange_rates_provider.present?
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response = exchange_rates_provider.fetch_exchange_rates \
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from: from,
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to: to,
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start_date: start_date,
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end_date: end_date
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if response.success?
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response.rates.map do |exchange_rate|
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rate = ExchangeRate.new \
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from_currency: from,
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to_currency: to,
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date: exchange_rate.dig(:date).to_date,
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rate: exchange_rate.dig(:rate)
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rate.save! if cache
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rate
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rescue ActiveRecord::RecordNotUnique
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next
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end
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else
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[]
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end
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end
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def fetch_rate_from_provider(from:, to:, date:, cache: false)
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return nil unless exchange_rates_provider.present?
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response = exchange_rates_provider.fetch_exchange_rate \
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from: from,
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to: to,
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date: date
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if response.success?
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rate = ExchangeRate.new \
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from_currency: from,
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to_currency: to,
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rate: response.rate,
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date: date
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rate.save! if cache
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rate
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else
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nil
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end
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end
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end
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end
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