Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/mage/active_record_patch.rb

Direct Known Subclasses

Mage::MageStep

Class Method Summary collapse

Class Method Details

.has_mage_steps(*steps) ⇒ Object 



2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/mage/active_record_patch.rb', line 2

def self.has_mage_steps(*steps)
  @@mage_steps = steps
  has_one :mage_step, class_name: 'Mage::MageStep', as: :object
  scope :mage_done, -> { joins(:mage_step).where(mage_steps: { step: :done }) }
  after_save :mage_after_save
  after_destroy { Mage::MageStep.where(object_id: self.id, object_type: self.model_name.name).try(:take).try(:destroy) }

  def self.mage_steps
    @@mage_steps
  end

  instance_eval do
    define_method :mage_step do
      Mage::MageStep.where(object_id: self.id, object_type: self.model_name.name)
          .try(:take).try(:step).try(:to_sym) || @@mage_steps.first
    end

    steps.each_with_index do |step, index|
      define_method "mage_step_#{step}?" do
        index <= (@@mage_steps.find_index(mage_step) || @@mage_steps.count)
      end
    end

    define_method :mage_after_save do
      if mage_step != :done
        mage_model = Mage::MageStep.where(object_id: id, object_type: model_name.name).try(:take) ||
            Mage::MageStep.create(object_id: id, object_type: model_name.name, step: mage_step)
        mage_model.update(step: (@@mage_steps[@@mage_steps.find_index(mage_step) + 1] || :done))
      end
    end

    private :mage_after_save

  end
end

.mage_steps ⇒ Object 



9
10
11
 
# File 'lib/mage/active_record_patch.rb', line 9

def self.mage_steps
  @@mage_steps
end