93 lines
2.4 KiB
Ruby
93 lines
2.4 KiB
Ruby
# == Schema Information
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#
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# Table name: orders
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#
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# id :integer not null, primary key
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# user_id :integer
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# price_cents :integer
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# created_at :datetime not null
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# updated_at :datetime not null
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# cancelled :boolean default("f")
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# transaction_id :integer
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#
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require 'httparty'
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class Order < ActiveRecord::Base
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include ActionView::Helpers::TextHelper
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belongs_to :user, counter_cache: true
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has_many :order_items, dependent: :destroy
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has_many :products, through: :order_items
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before_validation :calculate_price
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after_create :tab_api_created
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default_scope -> { where(cancelled: false) }
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validates :user, presence: true
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validates :order_items, presence: true, in_stock: true
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accepts_nested_attributes_for :order_items, reject_if: proc { |oi| oi[:count].to_i <= 0 }
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def price_cents
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self.order_items.map{ |oi| oi.count * oi.product.price_cents }.sum
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end
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def price
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self.price_cents / 100.0
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end
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def price=(_)
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write_attribute(:price_cents, price_cents)
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end
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def cancel
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return false if cancelled || created_at < 5.minutes.ago
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User.decrement_counter(:orders_count, user.id)
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update_attribute(:cancelled, true)
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self.order_items.each(&:cancel)
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tab_api_cancelled
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true
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end
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def to_sentence
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self.order_items.map {
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|oi| pluralize(oi.count, oi.product.name)
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}.to_sentence
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end
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def g_order_items(products)
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products.each do |p|
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if (oi = self.order_items.select { |t| t.product == p }).size > 0
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oi.first.count = [oi.first.product.stock, oi.first.count].min
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else
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self.order_items.build(product: p)
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end
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end
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end
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private
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def calculate_price
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self.price_cents = price_cents
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end
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def tab_api_created
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body = { transaction: { debtor: user.uid, cents: price_cents, message: to_sentence } }
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tab_api body
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end
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handle_asynchronously :tab_api_created
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def tab_api_cancelled
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body = { transaction: { creditor: user.uid, cents: price_cents, message: "Order cancelled" } }
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tab_api body
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end
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handle_asynchronously :tab_api_cancelled
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def tab_api body
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headers = { "Authorization" => "Token token=#{Rails.application.secrets.tab_api_key}" }
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result = HTTParty.post("https://zeus.ugent.be/tab/transactions", body: body, headers: headers )
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update_attribute(:transaction_id, JSON.parse(result.body)["id"])
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end
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end
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