Module: Ixtlan::Models::I18nText

Included in:
Word
Defined in:
lib/ixtlan/models/i18n_text.rb

Constant Summary collapse

TEXT_LOCALE = 
Object.full_const_get(Models::LOCALE)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(model) ⇒ Object 



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# File 'lib/ixtlan/models/i18n_text.rb', line 83

def self.included(model)
  model.send(:include, DataMapper::Resource)
  model.send(:include, UpdateChildren)

  model.property :id, ::DataMapper::Types::Serial

  model.property :code, String, :required => true, :length => 64

  model.property :text, String, :required => true, :length => 256

  model.property :version, Integer, :required => false

  model.property :current, ::DataMapper::Types::Boolean, :required => true, :auto_validation => false

  model.property :previous, ::DataMapper::Types::Boolean, :required => true, :auto_validation => false

  model.property :updated_at, DateTime, :required => true, :auto_validation => false

  model.belongs_to :updated_by, :model => Models::USER

  model.property :approved_at, DateTime, :required => false

  model.belongs_to :approved_by, :model => Models::USER, :required => false

  model.belongs_to :locale, :model => Models::LOCALE

  model.validates_with_method :invariant

  model.validates_with_method :cascade
  model.before :save do
    if(new? or attribute_get(:version).nil?)
      attribute_set(:version, nil)
      attribute_set(:current, false)
      attribute_set(:previous, false)
      attribute_set(:approved_at, nil)
      approved_by = nil
    end
  end

  model.class_eval <<-EOS, __FILE__, __LINE__
  def self.default_storage_name
    "Text"
  end

  def self.latest_approved(args = {})
    args[:current] = true
    all(args)
  end

  def self.second_latest_approved(args = {})
    args[:previous] = true
    all(args)
  end

  def self.approved(args = {})
    args[:version.not] = nil
    all(args)
  end

  def self.not_approved(args = {})
    args[:version] = nil
    all(args)
  end
EOS
end

Instance Method Details

#approve(params = {}) ⇒ Object 



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# File 'lib/ixtlan/models/i18n_text.rb', line 58

def approve(params = {})
  latest = self.class.latest_approved(:code => attribute_get(:code),
                                      :locale => locale).first
  previous = self.class.second_latest_approved(:code => attribute_get(:code),
                                               :locale => locale).first
  params[:version] = latest.nil? ? 1 : latest.version + 1
  params[:current] = true
  # TODO approved is not need since after approval the resource is inmutable !!!
  params[:approved_at] = attribute_get(:updated_at)
  params[:approved_by] = params[:current_user] || current_user

  prev = (previous.nil? ? true : previous.update(:previous => false,
                                              :current_user => params[:current_user] || current_user))
  lat = (latest.nil? ? true : latest.update(:current => false,
                                          :previous => true,
                                          :current_user => params[:current_user] || current_user))
  upd = update(params)

  upd && lat && prev
end

#approved? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ixtlan/models/i18n_text.rb', line 79

def approved?
  !attribute_get(:version).nil?
end

#cascade ⇒ Object 



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# File 'lib/ixtlan/models/i18n_text.rb', line 41

def cascade
  size =
    case locale.code.size
    when 2
      self.model.latest_approved(:code => code, :locale => TEXT_LOCALE.default).size
    when 5
      self.model.latest_approved(:code => code, :locale => TEXT_LOCALE.first(:code => locale.code[0,1])).size
    else
      1
    end
  if(size == 0)
    [false, "parent text for '#{code}' does not exists"]
  else
    [true]
  end
end

#invariant ⇒ Object 



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# File 'lib/ixtlan/models/i18n_text.rb', line 10

def invariant
  no_version = original_attributes[:version].nil? && attribute_get(:version).nil?
  if no_version
    if (!attribute_get(:version).nil? && attribute_dirty?(:version) && attribute_dirty?(:text))
      [false, 'can not approve and change text at the same time']
    elsif new?
      [true]
    elsif attribute_dirty?(:code)
      [false, 'code is invariant']
    else
      [true]
    end
  else
    if (!attribute_get(:version).nil? && attribute_dirty?(:version))
      if (attribute_dirty?(:text))
        [false, 'can not approve and change text at the same time']
      elsif !original_attributes[properties[:version]].nil?
        [false, 'can not change version']
      else
        [true]
      end
    elsif attribute_dirty?(:code)
      [false, 'can not change code']
    elsif attribute_dirty?(:text)
      [false, 'can not change text']
    else
      [true]
    end
  end
end