35 lines
1.3 KiB
Ruby
35 lines
1.3 KiB
Ruby
# require 'Mollie/API/Client'
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require 'mollie-api-ruby'
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require 'foodsoft_mollie/engine'
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module FoodsoftMollie
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# Enabled when configured, but can still be disabled by +use_mollie+ option.
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def self.enabled?
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FoodsoftConfig[:use_mollie] != false and FoodsoftConfig[:mollie]
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end
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# Compute payment transaction fee.
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#
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# Transaction fee is specified in foodcoop config under +mollie+, +fee+ as a
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# hash of fee per payment method, e.g. as "0.30" for a fixed flat fee, "5%"
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# for a percentage, or "0.30 + 5%" for both. Multiple flat fees and percentages
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# can appear in a single line, so "0.12 + 2% + 0.56 + 3% + 1%" is valid, e.g.
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# when multiple payment providers add different fees.
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#
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# @param amount [Number] Amount payed
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# @param method [String] Payment method used
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# @return [Number] Transaction fee for payment, or +nil+ if no fee details known.
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def self.payment_fee(amount, method)
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spec = FoodsoftConfig[:mollie]['fee'] or return
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unless spec = spec[method]
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Rails.logger.warn "Mollie: transaction fee for method #{method} not configured."
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return
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end
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# parse
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return spec if spec.is_a? Numeric
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spec.split('+').inject(0) do |sum, c|
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sum + (c =~ /^(.*)\s*%\s*$/ ? ($1.to_f/100 * amount.to_f) : c.to_f)
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end
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end
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end
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