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fab-manager/app/services/prepaid_pack_service.rb

72 lines
2.7 KiB
Ruby

# frozen_string_literal: true
# Provides methods for PrepaidPack
class PrepaidPackService
class << self
def list(filters)
packs = PrepaidPack.where(nil)
packs = packs.where(group_id: filters[:group_id]) if filters[:group_id].present?
packs = packs.where(priceable_id: filters[:priceable_id]) if filters[:priceable_id].present?
packs = packs.where(priceable_type: filters[:priceable_type]) if filters[:priceable_type].present?
if filters[:disabled].present?
state = filters[:disabled] == 'false' ? [nil, false] : true
packs = packs.where(disabled: state)
end
packs
end
# return the not expired packs for the given item bought by the given user
def user_packs(user, priceable)
StatisticProfilePrepaidPack
.includes(:prepaid_pack)
.references(:prepaid_packs)
.where('statistic_profile_id = ?', user.statistic_profile.id)
.where('expires_at > ?', DateTime.current)
.where('prepaid_packs.priceable_id = ?', priceable.id)
.where('prepaid_packs.priceable_type = ?', priceable.class.name)
.where('minutes_used < prepaid_packs.minutes')
end
# subtract the number of used prepaid minutes from the user's count
def update_user_minutes(user, reservation)
# total number of minutes available in user's packs
available_minutes = minutes_available(user, reservation.reservable)
return if available_minutes.zero?
# total number of minutes in the reservation's slots
slots_minutes = reservation.slots.map do |slot|
(slot.end_at.to_time - slot.start_at.to_time) / SECONDS_PER_MINUTE
end
reservation_minutes = slots_minutes.reduce(:+) || 0
# total number of prepaid minutes used by this reservation
consumed = reservation_minutes
consumed = available_minutes if reservation_minutes > available_minutes
# subtract the consumed minutes for user's current packs
packs = user_packs(user, reservation.reservable).order(minutes_used: :desc)
packs.each do |pack|
pack_available = pack.prepaid_pack.minutes - pack.minutes_used
remaining = pack_available - consumed
remaining = 0 if remaining.negative?
pack_consumed = pack.prepaid_pack.minutes - remaining
pack.update_attributes(minutes_used: pack_consumed)
consumed -= pack_consumed
end
end
## Total number of prepaid minutes available
def minutes_available(user, priceable)
user_packs = user_packs(user, priceable)
total_available = user_packs.map { |up| up.prepaid_pack.minutes }.reduce(:+) || 0
total_used = user_packs.map(&:minutes_used).reduce(:+) || 0
total_available - total_used
end
end
end