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Code Issues Releases Activity

improve price calculation

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This commit is contained in:
Sylvain 2021-12-21 11:14:09 +01:00
parent 6dc2e8e41e
commit 2b834045ef
1 changed files with 6 additions and 8 deletions
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14
app/models/cart_item/reservation.rb
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@ -16,7 +16,7 @@ class CartItem::Reservation < CartItem::BaseItem
end end
def price def price
base_amount = get_hourly_rate base_amount = hourly_rate
is_privileged = @operator.privileged? && @operator.id != @customer.id is_privileged = @operator.privileged? && @operator.id != @customer.id
prepaid = { minutes: PrepaidPackService.minutes_available(@customer, @reservable) } prepaid = { minutes: PrepaidPackService.minutes_available(@customer, @reservable) }
@ -109,26 +109,24 @@ class CartItem::Reservation < CartItem::BaseItem
# Eg. If the reservation is for 12 hours, and there are prices for 3 hours, 7 hours, # Eg. If the reservation is for 12 hours, and there are prices for 3 hours, 7 hours,
# and the base price (1 hours), we use the 7 hours price, then 3 hours price, and finally the base price. # and the base price (1 hours), we use the 7 hours price, then 3 hours price, and finally the base price.
# Then we divide the total price by the total duration to get the hourly rate. # Then we divide the total price by the total duration to get the hourly rate.
def get_hourly_rate def hourly_rate
total_duration = @slots.map { |slot| (slot[:end_at].to_time - slot[:start_at].to_time) / SECONDS_PER_MINUTE }.reduce(:+) total_duration = @slots.map { |slot| (slot[:end_at].to_time - slot[:start_at].to_time) / SECONDS_PER_MINUTE }.reduce(:+)
price = 0 price = 0
remaining_duration = total_duration remaining_duration = total_duration
while remaining_duration > 60 while remaining_duration.positive?
max_duration = @reservable.prices.where(group_id: @customer.group_id, plan_id: @plan.try(:id)) max_duration = @reservable.prices.where(group_id: @customer.group_id, plan_id: @plan.try(:id))
.where(Price.arel_table[:duration].lteq(remaining_duration)) .where(Price.arel_table[:duration].lteq(remaining_duration))
.maximum(:duration) .maximum(:duration)
max_duration = 60 if max_duration.nil?
max_duration_amount = @reservable.prices.find_by(group_id: @customer.group_id, plan_id: @plan.try(:id), duration: max_duration) max_duration_amount = @reservable.prices.find_by(group_id: @customer.group_id, plan_id: @plan.try(:id), duration: max_duration)
.amount .amount
price += max_duration_amount current_duration = [remaining_duration, max_duration].min
price += (max_duration_amount / max_duration) * current_duration
remaining_duration -= max_duration remaining_duration -= max_duration
end end
# base price for the last hour or less
base_amount = @reservable.prices.find_by(group_id: @customer.group_id, plan_id: @plan.try(:id), duration: 60).amount
price += (base_amount / MINUTES_PER_HOUR) * remaining_duration
price / (total_duration / MINUTES_PER_HOUR) price / (total_duration / MINUTES_PER_HOUR)
end end