karmi

Store file uploads in the database

This gem allows to store carrierwave uploads in the database, eg. on platforms with ephemeral filesystems like Heroku.

Installation

# In: Gemfile
gem 'carrierwave-blob', git: "https://gist.github.com/f1dc8c75d67b92b23a55.git"

karmi

.DS_Store

karmi

get '/:post_id' do
  last_modification_of_post = Blog::Post[ params[:post_id], {:only => ['id', 'updated_on']} ]
  last_modified( last_modification_of_post.updated_on ) if last_modification_of_post
  @post = Blog::Post[ params[:post_id] ]
  throw :halt, [404, erb(not_found) ] unless @post
  erb :post 
end

karmi

# Rake task to extract texts from Ruby/ERb source in your application
# Scans patterns like "Hello World"[:hello_world] and dumps them into RAILS_ROOT/lang/new_language.yml
# TODO: Process incrementally, ie. dump newly added strings into existing localization files

require 'fileutils'

namespace :localize do
  desc "Extract all texts prepared to be translated from Ruby source"
  task :extract do
    count, keys, out = 0, [], "# Localization dictionary for the 'Gibberish' plugin (#{RAILS_ROOT.split('/').last})\n\n"

karmi

# IN app/controllers/application.rb

require 'uri'

before_filter :set_language

# ...

# Set language by hostname (.com => 'en', .cz => 'cz')
def set_language

karmi

  module ClassMethods
    # Declare in ActiveRecord or ActiveResource class with localized attributes
    # You must include the module "manually" in your own classes (ie. put <tt>include HasLocalizedAttributes</tt> in your class)
    # See README for example
    def has_localized_atributes
      include InstanceMethods unless included_modules.include?(InstanceMethods) 
    end
  end
    
  module InstanceMethods

karmi

def test_proper_localization_for_czech
     falsify_today
     hostname 'www.application.cz'
     get :index
     assert_tag :tag => 'h1', :content => 'Program Květen/Červen 2008'
     assert_select '#topMenu a', :text => 'English'
     assert_select '#headMenu strong', :text => 'Program'
     assert_select '#program_item_2008-05-30 .day a', :text => 'pátek 30/05'
   end
 

karmi

  def test_should_not_list_unpublished_projects
    get :index
    assert_equal 13, assigns(:projects).size
    assert assigns(:projects).delete_if { |p| p.published? }.empty?
  end
  
  def test_should_show_404_when_trying_to_get_not_published_project
    get :show, :id => 14
    assert assigns(:project)
    assert_response :not_found

karmi

# Dump of table translations
# ------------------------------------------------------------
CREATE TABLE `translations` (
  `id` int(11) NOT NULL auto_increment,
  `name` varchar(255) collate utf8_czech_ci default NULL,
  `description` text collate utf8_czech_ci,
  `lang` varchar(255) collate utf8_czech_ci default NULL,
  `reference_id` int(11) default NULL,
  `created_at` datetime default NULL,
  `updated_at` datetime default NULL,

karmi

# artist.rb
class Artist < ActiveRecord::Base
  has_many :works
  has_many :compositions, :through => :works
end

# composition.rb
class Composition < ActiveRecord::Base  
  has_many :works
  has_many :artists, :through => :works