mirror of
https://github.com/LaCasemate/fab-manager.git
synced 2024-11-29 10:24:20 +01:00
82 lines
2.8 KiB
Ruby
82 lines
2.8 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 }.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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end
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def price
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base_amount = @reservable.prices.find_by(group_id: @customer.group_id, plan_id: @plan.try(:id)).amount
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is_privileged = @operator.admin? || (@operator.manager? && @operator.id != @customer.id)
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elements = { slots: [] }
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amount = 0
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hours_available = credits
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@slots.each_with_index do |slot, index|
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amount += get_slot_price(base_amount, slot, is_privileged, elements: elements, has_credits: (index < hours_available))
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end
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{ elements: elements, amount: amount }
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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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# 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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# @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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real_price = if options[:is_division]
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(slot_rate / MINUTES_PER_HOUR) * ((slot[:end_at].to_time - slot[:start_at].to_time) / SECONDS_PER_MINUTE)
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else
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slot_rate
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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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##
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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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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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end
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