Noosfero/noosfero

module ProductsPlugin
  class Input < ApplicationRecord
    self.table_name = :inputs

    attr_accessible :product, :product_id, :product_category, :product_category_id,
                    :amount_used, :unit_id, :price_per_unit, :relevant_to_price, :is_from_solidarity_economy

    belongs_to :product_category, optional: true

    belongs_to :product, optional: true
    acts_as_list scope: :product

    validates_presence_of :product
    validates_presence_of :product_category

    belongs_to :unit, optional: true

    scope :relevant_to_price, -> { where relevant_to_price: true }

    include FloatHelper

    def price_per_unit=(value)
      if value.is_a?(String)
        super(decimal_to_float(value))
      else
        super(value)
      end
    end

    def amount_used=(value)
      if value.is_a?(String)
        super(decimal_to_float(value))
      else
        super(value)
      end
    end

    def name
      product_category.name
    end

    def formatted_value(value)
      ("%.2f" % self[value]).to_s.gsub(".", product.enterprise.environment.currency_separator) if self[value]
    end

    def formatted_amount
      amount = self.amount_used
      return "" if amount.blank? || amount.zero?

      ("%.2f" % amount).to_s.gsub(".00", "").gsub(".", product.enterprise.environment.currency_separator)
    end

    def has_price_details?
      %w[price_per_unit amount_used].each do |field|
        return true unless self.send(field).blank?
      end
      false
    end

    def has_all_price_details?
      %w[price_per_unit unit amount_used].each do |field|
        return false if self.send(field).blank?
      end
      true
    end

    def cost
      return 0 if self.amount_used.blank? || self.price_per_unit.blank?

      self.amount_used * self.price_per_unit
    end

    alias_method :price, :cost
  end
end