mirror of
https://github.com/LaCasemate/fab-manager.git
synced 2024-12-10 21:24:20 +01:00
183 lines
6.9 KiB
Ruby
183 lines
6.9 KiB
Ruby
# frozen_string_literal: true
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MINUTES_PER_HOUR = 60.0
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SECONDS_PER_MINUTE = 60.0
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GET_SLOT_PRICE_DEFAULT_OPTS = { has_credits: false, elements: nil, is_division: true, prepaid: { minutes: 0 }, custom_duration: nil }.freeze
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# A generic reservation added to the shopping cart
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class CartItem::Reservation < CartItem::BaseItem
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def initialize(customer, operator, reservable, slots)
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@customer = customer
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@operator = operator
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@reservable = reservable
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@slots = slots
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super
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end
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def price
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is_privileged = @operator.privileged? && @operator.id != @customer.id
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prepaid = { minutes: PrepaidPackService.minutes_available(@customer, @reservable) }
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elements = { slots: [] }
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amount = 0
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hours_available = credits
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grouped_slots.values.each do |slots|
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prices = applicable_prices(slots)
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slots.each_with_index do |slot, index|
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amount += get_slot_price_from_prices(prices, slot, is_privileged,
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elements: elements,
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has_credits: (index < hours_available),
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prepaid: prepaid)
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end
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end
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{ elements: elements, amount: amount }
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end
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def name
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@reservable.name
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end
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def valid?(all_items)
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pending_subscription = all_items.find { |i| i.is_a?(CartItem::Subscription) }
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@slots.each do |slot|
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availability = Availability.find(slot[:availability_id])
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next if availability.plan_ids.empty?
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next if (@customer.subscribed_plan && availability.plan_ids.include?(@customer.subscribed_plan.id)) ||
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(pending_subscription && availability.plan_ids.include?(pending_subscription.plan.id)) ||
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(@operator.manager? && @customer.id != @operator.id) ||
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@operator.admin?
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@errors[:slot] = 'slot is restricted for subscribers'
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return false
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end
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true
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end
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protected
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def credits
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0
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end
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##
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# Group the slots by date, if the extended_prices_in_same_day option is set to true
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##
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def grouped_slots
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return { all: @slots } unless Setting.get('extended_prices_in_same_day')
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@slots.group_by { |slot| slot[:start_at].to_date }
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end
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##
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# Compute the price of a single slot, according to the list of applicable prices.
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# @param prices {{ prices: Array<{price: Price, duration: number}> }} list of prices to use with the current reservation
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# @see get_slot_price
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##
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def get_slot_price_from_prices(prices, slot, is_privileged, options = {})
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options = GET_SLOT_PRICE_DEFAULT_OPTS.merge(options)
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slot_minutes = (slot[:end_at].to_time - slot[:start_at].to_time) / SECONDS_PER_MINUTE
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price = prices[:prices].find { |p| p[:duration] <= slot_minutes && p[:duration].positive? }
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price = prices[:prices].first if price.nil?
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hourly_rate = (price[:price].amount.to_f / price[:price].duration) * MINUTES_PER_HOUR
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# apply the base price to the real slot duration
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real_price = get_slot_price(hourly_rate, slot, is_privileged, options)
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price[:duration] -= slot_minutes
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real_price
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end
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##
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# Compute the price of a single slot, according to the base price and the ability for an admin
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# to offer the slot.
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# @param hourly_rate {Number} base price of a slot
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# @param slot {Hash} Slot object
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# @param is_privileged {Boolean} true if the current user has a privileged role (admin or manager)
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# @param [options] {Hash} optional parameters, allowing the following options:
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# - elements {Array} if provided the resulting price will be append into elements.slots
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# - has_credits {Boolean} true if the user still has credits for the given slot, false if not provided
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# - is_division {boolean} false if the slot covers a full availability, true if it is a subdivision (default)
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# - prepaid_minutes {Number} number of remaining prepaid minutes for the customer
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# @return {Number} price of the slot
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##
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def get_slot_price(hourly_rate, slot, is_privileged, options = {})
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options = GET_SLOT_PRICE_DEFAULT_OPTS.merge(options)
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slot_rate = options[:has_credits] || (slot[:offered] && is_privileged) ? 0 : hourly_rate
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slot_minutes = (slot[:end_at].to_time - slot[:start_at].to_time) / SECONDS_PER_MINUTE
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# apply the base price to the real slot duration
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real_price = if options[:is_division]
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(slot_rate / MINUTES_PER_HOUR) * slot_minutes
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else
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slot_rate
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end
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# subtract free minutes from prepaid packs
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if real_price.positive? && options[:prepaid][:minutes]&.positive?
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consumed = slot_minutes
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consumed = options[:prepaid][:minutes] if slot_minutes > options[:prepaid][:minutes]
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real_price = (slot_minutes - consumed) * (slot_rate / MINUTES_PER_HOUR)
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options[:prepaid][:minutes] -= consumed
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end
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unless options[:elements].nil?
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options[:elements][:slots].push(
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start_at: slot[:start_at],
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price: real_price,
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promo: (slot_rate != hourly_rate)
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)
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end
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real_price
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end
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# We determine the list of prices applicable to current reservation
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# The longest available price is always used in priority.
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# Eg. If the reservation is for 12 hours, and there are prices for 3 hours, 7 hours,
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# and the base price (1 hours), we use the 7 hours price, then 3 hours price, and finally the base price twice (7+3+1+1 = 12).
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# All these prices are returned to be applied to the reservation.
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def applicable_prices(slots)
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total_duration = slots.map { |slot| (slot[:end_at].to_time - slot[:start_at].to_time) / SECONDS_PER_MINUTE }.reduce(:+)
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rates = { prices: [] }
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remaining_duration = total_duration
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while remaining_duration.positive?
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max_duration = @reservable.prices.where(group_id: @customer.group_id, plan_id: @plan.try(:id))
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.where(Price.arel_table[:duration].lteq(remaining_duration))
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.maximum(:duration)
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max_duration = 60 if max_duration.nil?
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max_duration_price = @reservable.prices.find_by(group_id: @customer.group_id, plan_id: @plan.try(:id), duration: max_duration)
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current_duration = [remaining_duration, max_duration].min
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rates[:prices].push(price: max_duration_price, duration: current_duration)
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remaining_duration -= current_duration
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end
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rates[:prices].sort! { |a, b| b[:duration] <=> a[:duration] }
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rates
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end
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##
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# Compute the number of remaining hours in the users current credits (for machine or space)
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##
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def credits_hours(credits, new_plan_being_bought = false)
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return 0 unless credits
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hours_available = credits.hours
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unless new_plan_being_bought
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user_credit = @customer.users_credits.find_by(credit_id: credits.id)
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hours_available = credits.hours - user_credit.hours_used if user_credit
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end
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hours_available
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end
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def slots_params
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@slots.map { |slot| slot.permit(:id, :start_at, :end_at, :availability_id, :offered) }
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end
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end
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