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e40811b1ee
* FIX prefer provider rate always - add debugging also * Move logic from securities over * FIXes * Review fixes * Update provided.rb --------- Signed-off-by: soky srm <sokysrm@gmail.com>
22 lines
743 B
Ruby
22 lines
743 B
Ruby
module Provider::ExchangeRateConcept
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extend ActiveSupport::Concern
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Rate = Data.define(:date, :from, :to, :rate)
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def fetch_exchange_rate(from:, to:, date:)
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raise NotImplementedError, "Subclasses must implement #fetch_exchange_rate"
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end
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def fetch_exchange_rates(from:, to:, start_date:, end_date:)
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raise NotImplementedError, "Subclasses must implement #fetch_exchange_rates"
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end
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# Maximum number of calendar days of historical FX data the provider can
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# return. Returns nil when the provider has no known limit (unbounded).
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# Callers should clamp start_date when non-nil to avoid requesting data
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# beyond this window. Override in subclasses with provider-specific limits.
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def max_history_days
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nil
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end
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end
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