Class: ActiveRecord::Base

Inherits:
Object show all
Defined in:
lib/active_scaffold/extensions/unsaved_associated.rb,
lib/active_scaffold/extensions/to_label.rb

Overview

the ever-useful to_label method

Direct Known Subclasses

ActiveScaffold::Tableless

Instance Method Summary collapse

Instance Method Details

#associated_valid?(path = []) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/extensions/unsaved_associated.rb', line 3

def associated_valid?(path = [])
  return true if path.include?(self) # prevent recursion (if associated and parent are new records)
  path << self
  # using [].all? syntax to avoid a short-circuit
  # errors to associated record can be added by update_record_from_params when association fails to set and ActiveRecord::RecordNotSaved is raised
  with_unsaved_associated { |a| [a.keeping_errors { a.valid? }, a.associated_valid?(path)].all? }
end

#keeping_errors ⇒ Object 



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# File 'lib/active_scaffold/extensions/unsaved_associated.rb', line 23

def keeping_errors
  old_errors = errors.dup if errors.present?
  yield.tap do
    (old_errors || []).each do |attr|
      old_errors[attr].each { |msg| errors.add(attr, msg) unless errors.added?(attr, msg) }
    end
  end
end

#no_errors_in_associated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_scaffold/extensions/unsaved_associated.rb', line 19

def no_errors_in_associated?
  with_unsaved_associated { |a| a.errors.count == 0 && a.no_errors_in_associated? }
end

#save_associated ⇒ Object 



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# File 'lib/active_scaffold/extensions/unsaved_associated.rb', line 11

def save_associated
  with_unsaved_associated { |a| a.save && a.save_associated }
end

#save_associated! ⇒ Object 



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# File 'lib/active_scaffold/extensions/unsaved_associated.rb', line 15

def save_associated!
  save_associated || raise(ActiveRecord::RecordNotSaved)
end

#to_label ⇒ Object 



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# File 'lib/active_scaffold/extensions/to_label.rb', line 3

def to_label
  [:name, :label, :title, :to_s].each do |attribute|
    return send(attribute).to_s if respond_to?(attribute)
  end
end