Class: ActiveModel::Name

Inherits:
String show all
Defined in:
activemodel/lib/active_model/naming.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from String

#acts_like_string?, #as_json, #at, #blank?, #camelize, #classify, #constantize, #dasherize, #demodulize, #encode_json, #encoding_aware?, #exclude?, #first, #foreign_key, #from, #html_safe, #html_safe!, #humanize, #is_utf8?, #last, #mb_chars, #ord, #parameterize, #pluralize, #singularize, #squish, #squish!, #strip_heredoc, #tableize, #titleize, #to, #to_date, #to_datetime, #to_time, #truncate, #underscore

Constructor Details

#initialize(klass) ⇒ Name

Returns a new instance of Name



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# File 'activemodel/lib/active_model/naming.rb', line 8

def initialize(klass)
  super(klass.name)
  @klass = klass
  @singular = ActiveSupport::Inflector.underscore(self).tr('/', '_').freeze
  @plural = ActiveSupport::Inflector.pluralize(@singular).freeze
  @element = ActiveSupport::Inflector.underscore(ActiveSupport::Inflector.demodulize(self)).freeze
  @human = ActiveSupport::Inflector.humanize(@element).freeze
  @collection = ActiveSupport::Inflector.tableize(self).freeze
  @partial_path = "#{@collection}/#{@element}".freeze
end

Instance Attribute Details

#collectionObject (readonly) Also known as: cache_key

Returns the value of attribute collection



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# File 'activemodel/lib/active_model/naming.rb', line 5

def collection
  @collection
end

#elementObject (readonly)

Returns the value of attribute element



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# File 'activemodel/lib/active_model/naming.rb', line 5

def element
  @element
end

#partial_pathObject (readonly)

Returns the value of attribute partial_path



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# File 'activemodel/lib/active_model/naming.rb', line 5

def partial_path
  @partial_path
end

#pluralObject (readonly)

Returns the value of attribute plural



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# File 'activemodel/lib/active_model/naming.rb', line 5

def plural
  @plural
end

#singularObject (readonly)

Returns the value of attribute singular



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# File 'activemodel/lib/active_model/naming.rb', line 5

def singular
  @singular
end

Instance Method Details

#human(options = {}) ⇒ Object

Transform the model name into a more humane format, using I18n. By default, it will underscore then humanize the class name

BlogPost.model_name.human # => "Blog post"

Specify options with additional translating options.



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# File 'activemodel/lib/active_model/naming.rb', line 25

def human(options={})
  return @human unless @klass.respond_to?(:lookup_ancestors) &&
                       @klass.respond_to?(:i18n_scope)

  defaults = @klass.lookup_ancestors.map do |klass|
    klass.model_name.underscore.to_sym
  end

  defaults << options.delete(:default) if options[:default]
  defaults << @human

  options.reverse_merge! :scope => [@klass.i18n_scope, :models], :count => 1, :default => defaults
  I18n.translate(defaults.shift, options)
end