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Contents
module Rails
module Generators
class RepresenterGenerator < Rails::Generators::NamedBase
source_root File.expand_path("../templates", __FILE__)
argument :properties, :type => :array, :default => [],
:banner => "property[:class[:extend]] property[:class[:extend]]"
class_option :format, :default => :json, :banner => "--format=JSON",
:desc => "Use different formats JSON, JSON::HAL or XML"
def generate_representer_file
template('representer.rb', file_path)
end
private
def format
options[:format].upcase
end
def property_options
PropertyBuilder.new(properties)
end
def file_path
base_path = 'app/representers'
File.join(base_path, class_path, "#{file_name}_representer.rb")
end
class PropertyBuilder
include Enumerable
def initialize(properties)
@raw = properties
end
def each(&block)
properties_with_options.each(&block)
end
private
def properties_with_options
properties.map do |(name, klass, representer)|
p = [name_option(name)]
p << hash_option(:class, klass)
p << hash_option(:extend, representer)
p.compact.join(', ')
end
end
def name_option(name)
return unless name
"property :#{name}"
end
def hash_option(key, value)
return unless key && value
":#{key} => #{value.classify}"
end
def properties
@raw.map { |p| p.split(':') }
end
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems