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WIP: Skip EnterpriseFeeApplicator step when computing fees

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This commit is contained in:
Rohan Mitchell
2015-06-04 12:13:04 +10:00
parent 27bc28ffa4
commit 486c2f9b42
1 changed files with 24 additions and 28 deletions
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52
lib/open_food_network/enterprise_fee_calculator.rb
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@@ -8,19 +8,19 @@ module OpenFoodNetwork
end
def indexed_fees_for(variant)
load_applicators unless @indexed_applicators
load_enterprise_fees unless @indexed_enterprise_fees
indexed_applicators_for(variant).sum do |applicator|
calculate_fee_for variant, applicator
indexed_enterprise_fees_for(variant).sum do |enterprise_fee|
calculate_fee_for variant, enterprise_fee
end
end
def indexed_fees_by_type_for(variant)
load_applicators unless @indexed_applicators
load_enterprise_fees unless @indexed_enterprise_fees
indexed_applicators_for(variant).inject({}) do |fees, applicator|
fees[applicator.enterprise_fee.fee_type.to_sym] ||= 0
fees[applicator.enterprise_fee.fee_type.to_sym] += calculate_fee_for variant, applicator
indexed_enterprise_fees_for(variant).inject({}) do |fees, enterprise_fee|
fees[enterprise_fee.fee_type.to_sym] ||= 0
fees[enterprise_fee.fee_type.to_sym] += calculate_fee_for variant, enterprise_fee
fees
end.select { |fee_type, amount| amount > 0 }
end
@@ -28,14 +28,14 @@ module OpenFoodNetwork
def fees_for(variant)
per_item_enterprise_fee_applicators_for(variant).sum do |applicator|
calculate_fee_for variant, applicator
calculate_fee_for variant, applicator.enterprise_fee
end
end
def fees_by_type_for(variant)
per_item_enterprise_fee_applicators_for(variant).inject({}) do |fees, applicator|
fees[applicator.enterprise_fee.fee_type.to_sym] ||= 0
fees[applicator.enterprise_fee.fee_type.to_sym] += calculate_fee_for variant, applicator
fees[applicator.enterprise_fee.fee_type.to_sym] += calculate_fee_for variant, applicator.enterprise_fee
fees
end.select { |fee_type, amount| amount > 0 }
end
@@ -63,54 +63,50 @@ module OpenFoodNetwork
private
def load_applicators
@indexed_applicators = {}
def load_enterprise_fees
@indexed_enterprise_fees = {}
enterprise_fees = enterprise_fees_with_exchange_details
indexed_variants = Spree::Variant.where(id: enterprise_fees.pluck(:variant_id)).indexed
load_exchange_fee_applicators enterprise_fees, indexed_variants
load_coordinator_fee_applicators enterprise_fees, indexed_variants
load_exchange_fees enterprise_fees, indexed_variants
load_coordinator_fees enterprise_fees, indexed_variants
end
def enterprise_fees_with_exchange_details
EnterpriseFee.
joins(:exchanges => :exchange_variants).
where('exchanges.order_cycle_id = ?', @order_cycle.id).
select('enterprise_fees.*, exchange_variants.variant_id AS variant_id, exchanges.incoming AS exchange_incoming')
select('enterprise_fees.*, exchange_variants.variant_id AS variant_id')
end
def load_exchange_fee_applicators(enterprise_fees, indexed_variants)
def load_exchange_fees(enterprise_fees, indexed_variants)
enterprise_fees.each do |enterprise_fee|
role = enterprise_fee.exchange_incoming ? 'supplier' : 'distributor'
@indexed_applicators[enterprise_fee.variant_id] ||= []
@indexed_applicators[enterprise_fee.variant_id] <<
OpenFoodNetwork::EnterpriseFeeApplicator.new(enterprise_fee, indexed_variants[enterprise_fee.variant_id], role)
@indexed_enterprise_fees[enterprise_fee.variant_id] ||= []
@indexed_enterprise_fees[enterprise_fee.variant_id] << enterprise_fee
end
end
def load_coordinator_fee_applicators(enterprise_fees, indexed_variants)
def load_coordinator_fees(enterprise_fees, indexed_variants)
@order_cycle.coordinator_fees.each do |enterprise_fee|
indexed_variants.keys.each do |variant_id|
@indexed_applicators[variant_id] ||= []
@indexed_applicators[variant_id] <<
OpenFoodNetwork::EnterpriseFeeApplicator.new(enterprise_fee, indexed_variants[variant_id], 'coordinator')
@indexed_enterprise_fees[variant_id] ||= []
@indexed_enterprise_fees[variant_id] << enterprise_fee
end
end
end
def indexed_applicators_for(variant)
@indexed_applicators[variant.id] || []
def indexed_enterprise_fees_for(variant)
@indexed_enterprise_fees[variant.id] || []
end
def calculate_fee_for(variant, applicator)
def calculate_fee_for(variant, enterprise_fee)
# Spree's Calculator interface accepts Orders or LineItems,
# so we meet that interface with a struct.
# Amount is faked, this is a method on LineItem
line_item = OpenStruct.new variant: variant, quantity: 1, amount: variant.price
applicator.enterprise_fee.compute_amount(line_item)
enterprise_fee.compute_amount(line_item)
end
def per_item_enterprise_fee_applicators_for(variant)