Module: E9Rails::Helpers::Translation::InstanceMethods

Defined in:
lib/e9_rails/helpers/translation.rb

Instance Method Summary collapse

Instance Method Details

#e9_translate(lookup_key, opts = {}) ⇒ Object Also known as: e9_t 



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# File 'lib/e9_rails/helpers/translation.rb', line 11

def e9_translate(lookup_key, opts = {})
  # TODO is there a nicer way to say this?
  defaults = []

  lookup_key = lookup_key.to_s

  # if a scoped key is passed assume it's fully scoped (after e9)
  if lookup_key.include?(".")
    defaults << lookup_key
    # reset the key for base lookup
    lookup_key = lookup_key.split('.').last

  # elsif scope is passed, delete it and use the path as the first default
  elsif scope = opts.delete(:scope)
    # this lets you pass scope as an empty string
    scope = nil if scope.blank?
    defaults << (Array.wrap(scope) << lookup_key).compact.join('.')

  # the difference between default and scope is that default expects a key,
  # ignoring the lookup key
  elsif default = opts.delete(:default)
    defaults << default
  end

  # append default lookup of controller path, e.g. "e9.admin.foos.lookup_key"
  defaults << [controller_path.gsub(/\//, '.'), lookup_key].join('.')

  # and after that, base lookup for the key
  defaults << lookup_key

  # sym them and clean up possible accidental double dots
  defaults.map! {|default| [:e9, default].join('.').gsub(/\.+/, '.').to_sym }
  defaults.uniq!

  lookup_key = defaults.shift

  begin
    model_name = (opts.delete(:resource_class) || resource_class).model_name
    opts.reverse_merge!(
      :model      => model_name.human,
      :models     => model_name.human.pluralize,
      :collection => model_name.collection,
      :element    => model_name.element
    )
  rescue
  end

  ::I18n.translate(lookup_key, opts.merge(:default => defaults))
end