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# frozen_string_literal: true
# The LineItem class is responsible for associating Line items to subscriptions. # It tracks the following values:
#
# [Spree::LineItem] :spree_line_item The spree object which created this instance
#
# [SolidusSubscription::Subscription] :subscription The object responsible for
# grouping all information needed to create new subscription orders together
#
# [Integer] :subscribable_id The id of the object to be added to new subscription
# orders when they are placed
#
# [Integer] :quantity How many units of the subscribable should be included in
# future orders
#
# [Integer] :interval How often subscription orders should be placed
#
# [Integer] :installments How many subscription orders should be placed
module SolidusSubscriptions
class LineItem < ApplicationRecord
include Interval
belongs_to(
:spree_line_item,
class_name: '::Spree::LineItem',
inverse_of: :subscription_line_items,
optional: true,
)
has_one :order, through: :spree_line_item, class_name: '::Spree::Order'
belongs_to(
:subscription,
class_name: 'SolidusSubscriptions::Subscription',
inverse_of: :line_items,
optional: true
)
belongs_to :subscribable, class_name: "::#{SolidusSubscriptions.configuration.subscribable_class}"
validates :subscribable_id, presence: true
validates :quantity, numericality: { greater_than: 0 }
validates :interval_length, numericality: { greater_than: 0 }, unless: -> { subscription }
end
end
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