Class: Spree::Promotion

Inherits:
Base
  • Object
show all
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/item_total.rb,
app/models/spree/promotion/rules/first_order.rb,
app/models/spree/promotion/rules/option_value.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

Methods inherited from Base

belongs_to_required_by_default, page, spree_base_scopes

Methods included from Spree::Preferences::Preferable

#clear_preferences, #default_preferences, #defined_preferences, #get_preference, #has_preference!, #has_preference?, #preference_default, #preference_type, #set_preference

Instance Attribute Details

#eligibility_errorsObject (readonly)

Returns the value of attribute eligibility_errors


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# File 'app/models/spree/promotion.rb', line 6

def eligibility_errors
  @eligibility_errors
end

Class Method Details

.activeObject


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# File 'app/models/spree/promotion.rb', line 48

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


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# File 'app/models/spree/promotion.rb', line 53

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 42

def self.with_coupon_code(coupon_code)
  where("lower(#{table_name}.code) = ?", coupon_code.strip.downcase).
    includes(:promotion_actions).where.not(spree_promotion_actions: { id: nil }).
    first
end

Instance Method Details

#activate(payload) ⇒ Object


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# File 'app/models/spree/promotion.rb', line 61

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.
    orders << order
    save
  end

  action_taken
end

#adjusted_credits_count(promotable) ⇒ Object


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# File 'app/models/spree/promotion.rb', line 159

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

#creditsObject


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# File 'app/models/spree/promotion.rb', line 164

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

#credits_countObject


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# File 'app/models/spree/promotion.rb', line 168

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 87

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.
    orders << order
    save
  end

  action_taken
end

#eligible?(promotable) ⇒ Boolean

called anytime order.update_with_updater! happens


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# File 'app/models/spree/promotion.rb', line 114

def eligible?(promotable)
  return false if expired? || usage_limit_exceeded?(promotable) || blacklisted?(promotable)
  !!eligible_rules(promotable, {})
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 122

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


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# File 'app/models/spree/promotion.rb', line 57

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

#line_item_actionable?(order, line_item) ⇒ Boolean


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# File 'app/models/spree/promotion.rb', line 172

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

#productsObject


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# File 'app/models/spree/promotion.rb', line 151

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

#usage_limit_exceeded?(promotable) ⇒ Boolean


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# File 'app/models/spree/promotion.rb', line 155

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

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


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# File 'app/models/spree/promotion.rb', line 187

def used_by?(user, excluded_orders = [])
  [
    :adjustments,
    :line_item_adjustments,
    :shipment_adjustments
  ].any? do |adjustment_type|
    user.orders.complete.joins(adjustment_type).where(
      spree_adjustments: {
        source_type: 'Spree::PromotionAction',
        source_id: actions.map(&:id),
        eligible: true
      }
    ).where.not(
      id: excluded_orders.map(&:id)
    ).any?
  end
end