57 lines
1.8 KiB
Ruby
57 lines
1.8 KiB
Ruby
class Cart < ActiveRecord::Base
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has_many :item_in_carts, -> { order "created_at" }
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belongs_to :delivery_destination
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def self.find_or_create(anonymous_id, user_id)
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cart = nil
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ActiveRecord::Base.transaction do
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logged_in_user_cart = Cart.where(user_id: user_id).where(ordered: false).first
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anonymous_user_cart = Cart.where(anonymous_id_string: anonymous_id).where(ordered: false).first
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safe_user_id = (user_id > 0) ? user_id : nil
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if safe_user_id.nil?
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cart = anonymous_user_cart || Cart.create!(anonymous_id_string: anonymous_id, user_id: safe_user_id, ordered: false )
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else
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cart = logged_in_user_cart || Cart.create!(anonymous_id_string: nil, user_id: safe_user_id, ordered: false )
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logged_in_user_cart = cart
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end
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# add the contents of anonymous cart
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# to the logged in one on login
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if logged_in_user_cart and anonymous_user_cart
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logged_in_items = logged_in_user_cart.item_in_carts
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anonymous_user_cart.item_in_carts.each do |a_item|
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item_exists = false
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logged_in_items.each do |l_item|
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if a_item.item_id == l_item.item_id
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l_item.count += a_item.count
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l_item.save!
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a_item.destroy
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item_exists = true
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break
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end
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end
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unless item_exists
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a_item.cart_id = logged_in_user_cart.id
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a_item.save!
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end
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end
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end
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cart.delivery_destination ||= DeliveryDestination.create_from_last(anonymous_id, safe_user_id);
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cart.save!
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end
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return cart
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end
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def self.just_find(anonymous_id,user_id)
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cart = Cart.where(user_id: user_id).where(ordered: false).first
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cart ||= Cart.where(anonymous_id_string: anonymous_id).where(ordered: false).first
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return cart
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end
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end
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