Module: HasModerated::ActiveRecordHelpers

Defined in:
lib/has_moderated/active_record/active_record_helpers.rb

Class Method Summary collapse

Class Method Details

.add_moderations_association(klass) ⇒ Object

General



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# File 'lib/has_moderated/active_record/active_record_helpers.rb', line 17

def self.add_moderations_association(klass)
  klass.class_eval do
    has_many :moderations, :as => :moderatable, :dependent => :destroy
  end
end

.foreign_key(reflection) ⇒ Object

AR specific



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# File 'lib/has_moderated/active_record/active_record_helpers.rb', line 8

def self.foreign_key(reflection)
  if reflection.respond_to?(:foreign_key)
    reflection.foreign_key
  else # Rails < v3.1
    reflection.primary_key_name
  end
end

.get_assocs_for_moderation(assocs, from_record = nil) ⇒ Object 



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# File 'lib/has_moderated/active_record/active_record_helpers.rb', line 58

def self.get_assocs_for_moderation assocs, from_record = nil
  from_record ||= self
  return if assocs.blank?

  if assocs == :all
    assocs = from_record.class.reflections.keys.reject do |r|
      r == :moderations
    end
  end

  assocs = [assocs] unless assocs.respond_to?("[]")

  # check for through assocs
  assocs = assocs.dup
  through_assocs = {}
  assocs.each do |assoc|
    join_model = from_record.class.reflections[assoc.to_sym].options[:through]
    if join_model
      join_model = join_model.to_sym
      through_assocs[join_model] ||= []
      through_assocs[join_model].push(assoc)
      assocs.push(join_model) unless assocs.include?(join_model)
      #assocs.delete(assoc)
    end
  end

  assoc_attrs = {}
  assocs.each do |assoc|
    one_assoc = []
    assoc_value = from_record.send(assoc)
    # if it's has_one it won't be an array
    assoc_value = [assoc_value] if assoc_value && assoc_value.class != Array
    assoc_value ||= []
    assoc_value.each do |m|
      if m.new_record?
        one_assoc.push(m.get_moderation_attributes)
      else
        one_assoc.push(m.id)
      end
      if through_assocs[assoc.to_sym]
        one_assoc.last[:associations] = get_assocs_for_moderation(:all, m)
      end
    end
    assoc_attrs[assoc] = one_assoc unless one_assoc.empty?
  end

  assoc_attrs
end

.get_default_moderation_attributes(record) ⇒ Object 



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# File 'lib/has_moderated/active_record/active_record_helpers.rb', line 23

def self.get_default_moderation_attributes(record)
  record.attributes
end

.hashize_association(from_record, assoc_name, m) ⇒ Object 



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# File 'lib/has_moderated/active_record/active_record_helpers.rb', line 27

def self.hashize_association(from_record, assoc_name, m)
  # todo
  through_assocs = {}
  from_record.class.reflections.keys.each do |assoc|
    join_model = from_record.class.reflections[assoc.to_sym].options[:through]
    if join_model
      join_model = join_model.to_sym
      through_assocs[join_model] ||= []
      through_assocs[join_model].push(assoc)
    end
  end
  
  assoc = nil
  if m.class == Fixnum
    assoc = m
  elsif m.kind_of? Hash  # already a hash (for has_many :through association)
    assoc = m
  elsif m.respond_to?(:get_moderation_attributes) && m.new_record?
    assoc = m.get_moderation_attributes
  elsif m.respond_to?(:get_moderation_attributes)
    assoc = m.id
  else
    raise "don't know how to convert #{m.class} to hash"
  end
  
  if through_assocs[assoc_name.to_sym] # TODO !
    assoc[:associations] = get_assocs_for_moderation(:all, m)
  end
  assoc
end