Class: Spree::Promotion

Inherits:
Object
  • Object
show all
Includes:
Metadata, Metafields, MultiStoreResource, Security::Promotions
Defined in:
app/models/spree/promotion.rb,
app/models/spree/promotion/rules/user.rb,
app/models/spree/promotion/rules/taxon.rb,
app/models/spree/promotion/rules/country.rb,
app/models/spree/promotion/rules/product.rb,
app/models/spree/promotion/rules/currency.rb,
app/models/spree/promotion/rules/item_total.rb,
app/models/spree/promotion/rules/first_order.rb,
app/models/spree/promotion/rules/option_value.rb,
app/models/spree/promotion/rules/customer_group.rb,
app/models/spree/promotion/rules/user_logged_in.rb,
app/models/spree/promotion/actions/free_shipping.rb,
app/models/spree/promotion/rules/one_use_per_user.rb,
app/models/spree/promotion/actions/create_adjustment.rb,
app/models/spree/promotion/actions/create_line_items.rb,
app/models/spree/promotion/actions/create_item_adjustments.rb

Defined Under Namespace

Modules: Actions, Rules

Constant Summary collapse

MATCH_POLICIES = 
%w(all any)
UNACTIVATABLE_ORDER_STATES = 
['complete', 'awaiting_return', 'returned']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#eligibility_errors ⇒ Object (readonly)

Returns the value of attribute eligibility_errors.



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# File 'app/models/spree/promotion.rb', line 15

def eligibility_errors
  @eligibility_errors
end

#generate_code ⇒ Object

Returns the value of attribute generate_code.



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# File 'app/models/spree/promotion.rb', line 15

def generate_code
  @generate_code
end

Class Method Details

.active ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 101

def self.active
  where('spree_promotions.starts_at IS NULL OR spree_promotions.starts_at < ?', Time.current).
    where('spree_promotions.expires_at IS NULL OR spree_promotions.expires_at > ?', Time.current)
end

.order_activatable?(order) ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 106

def self.order_activatable?(order)
  order && !UNACTIVATABLE_ORDER_STATES.include?(order.state)
end

.with_coupon_code(coupon_code) ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 89

def self.with_coupon_code(coupon_code)
  return nil unless coupon_code.present?

  coupon_code = coupon_code.strip.downcase

  coupons.includes(:promotion_actions).
    where.not(spree_promotion_actions: { id: nil }).
    where(code: coupon_code).or(
      where(id: Spree::CouponCode.where(code: coupon_code).select(:promotion_id))
    ).last
end

Instance Method Details

#activate(payload) ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 132

def activate(payload)
  order = payload[:order]
  return unless self.class.order_activatable?(order)

  payload[:promotion] = self

  # Track results from actions to see if any action has been taken.
  # Actions should return nil/false if no action has been taken.
  # If an action returns true, then an action has been taken.
  results = actions.map do |action|
    action.perform(payload)
  end
  # If an action has been taken, report back to whatever activated this promotion.
  action_taken = results.include?(true)

  if action_taken
    # connect to the order
    # create the join_table entry.
    order.promotions << self unless order.promotions.include?(self)
    order.save
  end

  action_taken
end

#active? ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 116

def active?
  starts_at.present? && starts_at < Time.current && (expires_at.blank? || !expired?)
end

#adjusted_credits_count(promotable) ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 243

def adjusted_credits_count(promotable)
  adjustments = promotable.is_a?(Order) ? promotable.all_adjustments : promotable.adjustments
  credits_count - adjustments.promotion.where(source_id: actions.pluck(:id)).size
end

#all_codes_used? ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 128

def all_codes_used?
  coupon_codes.used.count == coupon_codes.count
end

#cached_rules ⇒ Array<Spree::PromotionRule>

We cache the rules to avoid multiple database queries this is useful for orders with many line items

Returns:



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# File 'app/models/spree/promotion.rb', line 195

def cached_rules
  Rails.cache.fetch("#{cache_key_with_version}/rules") do
    rules.to_a
  end
rescue TypeError # when using null_store in test environment
  rules.to_a
end

#code_for_order(order) ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 286

def code_for_order(order)
  if multi_codes?
    coupon_codes.find_by(order: order)&.code
  else
    code
  end
end

#credits ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 248

def credits
  Adjustment.eligible.promotion.where(source_id: actions.map(&:id))
end

#credits_count ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 252

def credits_count
  credits.count
end

#deactivate(payload) ⇒ Object

Called when a promotion is removed from the cart



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# File 'app/models/spree/promotion.rb', line 158

def deactivate(payload)
  order = payload[:order]
  return unless self.class.order_activatable?(order)

  payload[:promotion] = self

  # Track results from actions to see if any action has been taken.
  # Actions should return nil/false if no action has been taken.
  # If an action returns true, then an action has been taken.
  results = actions.map do |action|
    action.revert(payload) if action.respond_to?(:revert)
  end

  # If an action has been taken, report back to whatever `d this promotion.
  action_taken = results.include?(true)

  if action_taken
    # connect to the order
    # create the join_table entry.
    order.promotions << self unless order.promotions.include?(self)
    order.save
  end

  action_taken
end

#eligible?(promotable, options = {}) ⇒ Boolean

called anytime order.update_with_updater! happens

Returns:



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# File 'app/models/spree/promotion.rb', line 185

def eligible?(promotable, options = {})
  return false if expired? || usage_limit_exceeded?(promotable) || blacklisted?(promotable)

  !!eligible_rules(promotable, options)
end

#eligible_rules(promotable, options = {}) ⇒ Object

eligible_rules returns an array of promotion rules where eligible? is true for the promotable if there are no such rules, an empty array is returned if the rules make this promotable ineligible, then nil is returned (i.e. this promotable is not eligible)



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# File 'app/models/spree/promotion.rb', line 206

def eligible_rules(promotable, options = {})
  # Promotions without rules are eligible by default.
  return [] if cached_rules.none?

  specific_rules = cached_rules.select { |rule| rule.applicable?(promotable) }
  return [] if specific_rules.none?

  rule_eligibility = Hash[specific_rules.map do |rule|
    [rule, rule.eligible?(promotable, options)]
  end]

  if match_all?
    # If there are rules for this promotion, but no rules for this
    # particular promotable, then the promotion is ineligible by default.
    unless rule_eligibility.values.all?
      @eligibility_errors = specific_rules.map(&:eligibility_errors).detect(&:present?)
      return nil
    end
    specific_rules
  else
    unless rule_eligibility.values.any?
      @eligibility_errors = specific_rules.map(&:eligibility_errors).detect(&:present?)
      return nil
    end

    [rule_eligibility.detect { |_, eligibility| eligibility }.first]
  end
end

#expired? ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 124

def expired?
  !!(starts_at && Time.current < starts_at || expires_at && Time.current > expires_at)
end

#inactive? ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 120

def inactive?
  !active?
end

#line_item_actionable?(order, line_item) ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 256

def line_item_actionable?(order, line_item)
  if eligible? order
    rules = eligible_rules(order)
    if rules.blank?
      true
    else
      rules.send(match_all? ? :all? : :any?) do |rule|
        rule.actionable? line_item
      end
    end
  else
    false
  end
end

#name_for_order(order) ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 278

def name_for_order(order)
  if coupon_code?
    code_for_order(order)
  else
    name
  end.to_s.upcase
end

#products ⇒ Object 



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# File 'app/models/spree/promotion.rb', line 235

def products
  rules.where(type: 'Spree::Promotion::Rules::Product').map(&:products).flatten.uniq
end

#usage_limit_exceeded?(promotable) ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 239

def usage_limit_exceeded?(promotable)
  usage_limit.present? && usage_limit > 0 && adjusted_credits_count(promotable) >= usage_limit
end

#used_by?(user, excluded_orders = []) ⇒ Boolean

Returns:



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# File 'app/models/spree/promotion.rb', line 271

def used_by?(user, excluded_orders = [])
  user.orders.complete.joins(:promotions).joins(:all_adjustments).
    where.not(spree_orders: { id: excluded_orders.map(&:id) }).
    where(spree_promotions: { id: id }).
    where(spree_adjustments: { source_type: 'Spree::PromotionAction', eligible: true }).any?
end