tlux’s gists

tlux / boolify_extension.rb

Last active August 29, 2015 13:57

Rails: Implementation of Object#to_b to convert any value to Boolean in Rails (uses ActiveRecord Boolean Mappings)

	class Object
	def to_b
	self.in?(ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES)
	end
	alias_method :to_bool, :to_b
	end

tlux / presenter.rb

Last active August 29, 2015 13:58

Presenter Pattern on Rails, a lightweight alternative for Draper (https://github.com/drapergem/draper)

	class Presenter
	class_attribute :presenter_options, instance_accessor: false
	self.presenter_options \|\|= {}

	attr_reader :object, :template, :options

	def initialize(object, template, options = {})
	@object = object
	@template = template
	@options = options.reverse_merge(self.class.presenter_options)

tlux / enumerable_group_by_extension.rb

Created April 24, 2014 12:32

Enumerable#group_by_first and Enumerable#group_by_last do in contrast du Enumerable#group_by not return an Array on the value side of the hash but only a single element.

	module Enumerable
	def group_by_first
	inject({}) do \|hash, element\|
	key = yield(element)
	hash[key] \|\|= element
	hash
	end
	end

	def group_by_last(&block)

tlux / gravatar.rb

Last active August 29, 2015 14:00

Gravatar Image Tag Helper for your Rails Application

	class Gravatar
	DEFAULTS = {
	default: :not_found,
	force_default: false,
	size: 100,
	secure: false
	}.freeze
	INSECURE_URL = 'http://www.gravatar.com/avatar/%{hash}'
	SECURE_URL = 'https://secure.gravatar.com/avatar/%{hash}'
	VALID_OPTIONS = :size, :default, :rating, :secure, :force_default

tlux / icon.rb

Created May 6, 2014 08:25

Font Awesome Icon Helper

	class FontAwesome::Icon < FontAwesome::Iconish
	VALID_OPTIONS = :shape, :direction, :outline, :spin, :size, :rotate, :flip, :inverse, :border, :fixed_width

	attr_reader :name

	def initialize(name, options = {})
	@name = name
	@html_options = options.except(*VALID_OPTIONS)
	@options = options.slice(*VALID_OPTIONS).reverse_merge(
	border: false,

tlux / try_first.rb

Last active August 29, 2015 14:01

Object#try_first returns the result of the first responding method specified in an Array

	# Usage:
	#
	# object = MyObject.new
	# object.label = "Some content here..."
	#
	# object.try_first([:name, :label, :caption]) # => "Some content here..."
	# object.try_first(:description) # => nil

	class Object
	def try_first(method_names, *args, &block)

tlux / i18n.js.coffee

Last active August 29, 2015 14:01

I18n power for your JavaScript

	window.I18n \|\|= {}

	VALID_OPTIONS = ['scope', 'locale', 'default', 'fallbacks']

	humanizeKeypath = (keypath) ->
	console.warn "I18n: no translation found for #{keypath}"
	_(keypath.split('.')).chain().last().humanize().value()

	sanitizeKeypath = (keypath) ->
	str = ""

tlux / is_one_of.rb

Created June 4, 2014 14:35

Check if an object matches one of the specified classes

	class Object
	def is_one_of?(*classes)
	classes.any? { \|klass\| self.is_a?(klass) }
	end
	end

tlux / flcodec.rb

Last active August 29, 2015 14:07

Freelancer Savegame Encoder/Decoder

	# This script is based on the C++ implementation by Sherlog <sherlog@t-online.de> and Jor <flcodec@jors.net>

	require 'active_support/all'
	require 'singleton'

	class FLCodec
	include Singleton

	class << self
	delegate :encode, :decode, :load_file, :decode_file, :encode_file, to: :instance

tlux / flhash.rb

Last active August 29, 2015 14:08

Freelancer Hash Encoder

	require 'active_support/all'
	require 'singleton'

	class FLHash
	include Singleton

	FLHASH_POLYNOMIAL = 0xa001;
	LOGICAL_BITS = 30;
	PHYSICAL_BITS = 32;

Tobias Casper tlux