├── .gitignore ├── Gemfile ├── README ├── Rakefile ├── app ├── controllers │ ├── application_controller.rb │ └── posts_controller.rb ├── helpers │ ├── application_helper.rb │ └── posts_helper.rb ├── middleware │ └── flash_session_cookie_middleware.rb ├── models │ ├── asset.rb │ ├── assetable.rb │ ├── image.rb │ ├── image_upload.rb │ ├── post.rb │ └── session_workaround.rb └── views │ ├── layouts │ └── application.html.erb │ ├── posts │ ├── _form.html.erb │ ├── _image_upload.html.erb │ ├── edit.html.erb │ ├── index.html.erb │ ├── new.html.erb │ └── show.html.erb │ └── share │ ├── _error_messages.html.erb │ └── _header.html.erb ├── config.ru ├── config ├── application.rb ├── boot.rb ├── database.yml ├── environment.rb ├── environments │ ├── development.rb │ ├── production.rb │ └── test.rb ├── initializers │ ├── backtrace_silencers.rb │ ├── dragonfly.rb │ ├── inflections.rb │ ├── mime_types.rb │ ├── secret_token.rb │ └── session_store.rb ├── locales │ └── en.yml └── routes.rb ├── db ├── migrate │ ├── 20101231055711_create_assetable.rb │ ├── 20101231055744_create_images.rb │ ├── 20101231060356_create_posts.rb │ ├── 20101231062326_create_image_uploads.rb │ └── 20110128073108_create_session_workarounds.rb ├── schema.rb └── seeds.rb ├── doc └── README_FOR_APP ├── formfly-screenshot.png ├── lib ├── collection_size_validator.rb └── tasks │ └── .gitkeep ├── public ├── .DS_Store ├── 404.html ├── 422.html ├── 500.html ├── favicon.ico ├── images │ ├── cancel.png │ ├── onepixel.png │ └── rails.png ├── javascripts │ ├── application.js │ ├── jquery-1.4.2.min.js │ ├── jquery.tools.min.js │ ├── jquery.uploadify.v2.1.4.js │ ├── rails.js │ ├── swfobject.js │ └── uploadify │ │ └── uploadify.swf ├── robots.txt └── stylesheets │ ├── .gitkeep │ ├── scaffold.css │ └── uploadify.css ├── script └── rails ├── test ├── fixtures │ ├── assetables.yml │ ├── image_uploads.yml │ ├── images.yml │ ├── posts.yml │ └── session_workarounds.yml ├── functional │ └── posts_controller_test.rb ├── performance │ └── browsing_test.rb ├── test_helper.rb └── unit │ ├── assetable_test.rb │ ├── helpers │ └── posts_helper_test.rb │ ├── image_test.rb │ ├── image_upload_test.rb │ ├── post_test.rb │ └── session_workaround_test.rb └── vendor └── plugins └── .gitkeep /.gitignore: -------------------------------------------------------------------------------- 1 | .bundle 2 | db/*.sqlite3 3 | log/*.log 4 | tmp/**/* 5 | public/system/* 6 | .DS_Store 7 | */.DS_Store 8 | Gemfile.lock 9 | -------------------------------------------------------------------------------- /Gemfile: -------------------------------------------------------------------------------- 1 | source 'http://rubygems.org' 2 | 3 | gem 'rails', '3.0.9' 4 | 5 | # Bundle edge Rails instead: 6 | # gem 'rails', :git => 'git://github.com/rails/rails.git' 7 | 8 | gem 'sqlite3-ruby', :require => 'sqlite3' 9 | gem 'rack-cache', :require => 'rack/cache' 10 | gem 'dragonfly' 11 | 12 | # Use unicorn as the web server 13 | # gem 'unicorn' 14 | 15 | # Deploy with Capistrano 16 | # gem 'capistrano' 17 | 18 | # To use debugger (ruby-debug for Ruby 1.8.7+, ruby-debug19 for Ruby 1.9.2+) 19 | # gem 'ruby-debug' 20 | # gem 'ruby-debug19' 21 | 22 | # Bundle the extra gems: 23 | # gem 'bj' 24 | # gem 'nokogiri' 25 | # gem 'sqlite3-ruby', :require => 'sqlite3' 26 | # gem 'aws-s3', :require => 'aws/s3' 27 | 28 | # Bundle gems for the local environment. Make sure to 29 | # put test-only gems in this group so their generators 30 | # and rake tasks are available in development mode: 31 | # group :development, :test do 32 | # gem 'webrat' 33 | # end 34 | -------------------------------------------------------------------------------- /README: -------------------------------------------------------------------------------- 1 | FormFly is a demo for Rails 3 that uses DragonFly and Uploadify 2 | 3 | This version uses a technique where intermediary images are saved to a separate ImageUpload model while the server waits for the Post to be submitted. 4 | 5 | To Install 6 | 7 | $ bundle install 8 | $ rake db:migrate 9 | $ rails s 10 | 11 | Go to localhost:3000 12 | 13 | ------------------------------- 14 | TODO: 15 | 1. Add Flash Detection 16 | 17 | 2. Video Uploads 18 | 19 | 3. Implement Resque to clean up stale SessionWorkaround objects and abandoned files. 20 | 21 | ------------------------------- 22 | CHANGELOG: 23 | January 28, 2011 24 | 1. Completely re-wrote the 'edit' portion 25 | 26 | 2. Session variables were disappearing randomly (no idea why). 27 | As a workaround, I made my own mini session handling using ActiveRecord. 28 | Session variables would disappear and reappear between requests about 10% of the time, 29 | so I added a SessionWorkaround model that holds the action state, as well as the session_id. 30 | The session_id doesn't appear to change at all. 31 | I tried using an ActiveRecord Session Store, but this caused issues with the Uploadify Middleware workaround. 32 | 33 | January 23, 2011 34 | 1. Added form edit 35 | 36 | 2. Verified it works in production mode in Mongrel/WebBrick/Passenger 37 | 38 | 39 | 40 | --- 41 | Resources: 42 | 43 | http://github.com/markevans/dragonfly 44 | http://groups.google.com/group/dragonfly-users 45 | http://www.glrzad.com/ruby-on-rails/using-uploadify-with-rails-3/ 46 | http://www.uploadify.com/documentation/methods/uploadifysettings/ 47 | 48 | 49 | --- 50 | Thanks to Daihua for helping me implement Uploadify. -------------------------------------------------------------------------------- /Rakefile: -------------------------------------------------------------------------------- 1 | # Add your own tasks in files placed in lib/tasks ending in .rake, 2 | # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake. 3 | 4 | require File.expand_path('../config/application', __FILE__) 5 | require 'rake' 6 | 7 | Formfly::Application.load_tasks 8 | -------------------------------------------------------------------------------- /app/controllers/application_controller.rb: -------------------------------------------------------------------------------- 1 | class ApplicationController < ActionController::Base 2 | protect_from_forgery 3 | helper :all 4 | 5 | helper_method :my_thumb 6 | 7 | def my_thumb(image, w, h) 8 | image.data.process(:resize_and_crop, :width => w, :height=> h, :gravity => 'ne') 9 | end 10 | end 11 | -------------------------------------------------------------------------------- /app/controllers/posts_controller.rb: -------------------------------------------------------------------------------- 1 | class PostsController < ApplicationController 2 | before_filter :translate_action, :except => [:index, :show] 3 | before_filter :get_image_uploads, :except => [:index, :show] 4 | 5 | @@return_early = Proc.new do 6 | render :json => {:status => 0, :message => "Error"}.to_json 7 | return false 8 | end 9 | 10 | def index 11 | @posts = Post.all 12 | end 13 | 14 | def show 15 | @post = Post.find(params[:id]) 16 | end 17 | 18 | def ajax_photo_destroy 19 | @image_uploads.images.where(:slot => params[:slot]).all.each do |image| 20 | @status = image.destroy 21 | end 22 | if @status.nil? 23 | render :json => {:status => 0, :message => "Could Not Destroy Image!"}.to_json 24 | else 25 | render :json => {:status => 1, :message => "Successfully Destroyed Image!"}.to_json 26 | end 27 | end 28 | 29 | def ajax_photo_upload 30 | # To make things easier in Uploadify, I hijacked the `folder` parameter 31 | slot = params[:folder].match(/pic(\d)/) unless params[:folder].nil? 32 | slot = slot[1] unless slot.nil? 33 | @@return_early.call if slot.nil? 34 | slot = "pic#{slot}" 35 | 36 | @current_images = @image_uploads.images.where(:slot => slot).all 37 | @upload = Image.new(:slot => slot, :data => params[:Filedata]) 38 | # debugger 39 | if not @image_uploads.images << @upload 40 | render :json => {:status => 0, :message => "Error Uploading Image!"}.to_json 41 | else 42 | @current_images.each{|image| image.destroy} 43 | render :json => {:status => 1, :img => my_thumb(@upload, 118, 118).url }.to_json 44 | end 45 | end 46 | 47 | def new 48 | @post = Post.new 49 | end 50 | 51 | def create 52 | @post = Post.new(params[:post]) 53 | @post.assetable = @image_uploads.assetable 54 | Post.transaction do 55 | if @post.save 56 | @image_uploads.assetable = nil 57 | @image_uploads.save # Is this really necessary? 58 | @session_workaround.destroy 59 | redirect_to(posts_path, :notice => 'Post was successfully created.') 60 | else 61 | render :new 62 | end 63 | end 64 | end 65 | 66 | def edit 67 | @post = Post.find(params[:id]) 68 | @image_uploads.images.each{ |image| image.destroy } 69 | @post.images.each do |image| 70 | cloned_image = image.clone 71 | cloned_image.delete_from_disk = false 72 | @image_uploads.images << cloned_image 73 | end 74 | end 75 | 76 | def update 77 | @post = Post.find(params[:id]) 78 | Post.transaction do 79 | old_assetable = @post.assetable 80 | @post.assetable = @image_uploads.assetable 81 | respond_to do |format| 82 | if @post.update_attributes(params[:post]) 83 | @post.images.each{|image| image.delete_from_disk = true } 84 | # find where old and new don't overlap, we will keep the overlap and delete the rest 85 | # for small numbers, might as well just brute force in memory 86 | old_assetable.images.each do |old_image| 87 | old_image.delete_from_disk = true 88 | @post.images.each do |new_image| 89 | old_image.delete_from_disk = false if old_image.data_uid == new_image.data_uid 90 | end 91 | end 92 | old_assetable.destroy 93 | @image_uploads.assetable = nil 94 | @image_uploads.save # Is this really necessary? 95 | @session_workaround.destroy 96 | format.html { redirect_to(@post, :notice => 'Post was successfully updated.') } 97 | else 98 | format.html { render :action => "edit" } 99 | end 100 | end 101 | end 102 | end 103 | 104 | private 105 | 106 | def translate_action 107 | action = params[:_action] || params[:action] 108 | @_action = SessionWorkaround.translate_action(action) 109 | end 110 | 111 | def get_image_uploads 112 | # => Have to implement this instead of doing something like session[:image_upload_id] 113 | # => because 10% of the time the session variables would vanish????? :-/ 114 | @session_workaround = SessionWorkaround.find_or_create_by_session_id_and_action(session[:session_id], @_action) 115 | if @session_workaround.image_uploads.empty? 116 | @session_workaround.image_uploads << ImageUpload.create! 117 | end 118 | @image_uploads = @session_workaround.image_uploads.first 119 | end 120 | 121 | end 122 | -------------------------------------------------------------------------------- /app/helpers/application_helper.rb: -------------------------------------------------------------------------------- 1 | module ApplicationHelper 2 | end 3 | -------------------------------------------------------------------------------- /app/helpers/posts_helper.rb: -------------------------------------------------------------------------------- 1 | module PostsHelper 2 | def upload_image_path(klass) 3 | if klass.class == ImageUpload 4 | upload_photo_posts_path 5 | else 6 | member_upload_photo_posts_path(klass) 7 | end 8 | end 9 | def destroy_image_path(klass, slot="") 10 | if klass.class == ImageUpload 11 | destroy_photo_posts_path(slot) 12 | else 13 | member_destroy_photo_posts_path(klass, slot) 14 | end 15 | end 16 | end 17 | -------------------------------------------------------------------------------- /app/middleware/flash_session_cookie_middleware.rb: -------------------------------------------------------------------------------- 1 | require 'rack/utils' 2 | 3 | class FlashSessionCookieMiddleware 4 | def initialize(app, session_key = '_session_id') 5 | @app = app 6 | @session_key = session_key 7 | end 8 | 9 | def call(env) 10 | if env['HTTP_USER_AGENT'] =~ /^(Adobe|Shockwave) Flash/ 11 | req = Rack::Request.new(env) 12 | env['HTTP_COOKIE'] = [ @session_key, req.params[@session_key] ].join('=').freeze unless req.params[@session_key].nil? 13 | env['HTTP_ACCEPT'] = "#{req.params['_http_accept']}".freeze unless req.params['_http_accept'].nil? 14 | end 15 | # debugger 16 | @app.call(env) 17 | end 18 | end -------------------------------------------------------------------------------- /app/models/asset.rb: -------------------------------------------------------------------------------- 1 | class Asset < ActiveRecord::Base 2 | end -------------------------------------------------------------------------------- /app/models/assetable.rb: -------------------------------------------------------------------------------- 1 | class Assetable < ActiveRecord::Base 2 | set_table_name "assetable" 3 | has_many :images, :dependent => :destroy 4 | end 5 | -------------------------------------------------------------------------------- /app/models/image.rb: -------------------------------------------------------------------------------- 1 | class Image < Asset 2 | set_table_name "images" 3 | image_accessor :data 4 | validates_size_of :data, :maximum => 500.kilobytes 5 | validates_property :mime_type, :of => :data, :in => %w(image/jpeg image/jpg image/png image/gif) 6 | 7 | def destroy 8 | hack = self.data 9 | if not self.delete_from_disk 10 | self.data = nil 11 | hack.instance_variable_set("@previous_uid", nil) 12 | end 13 | super 14 | end 15 | 16 | end 17 | -------------------------------------------------------------------------------- /app/models/image_upload.rb: -------------------------------------------------------------------------------- 1 | class ImageUpload < ActiveRecord::Base 2 | belongs_to :assetable, :dependent => :destroy, :autosave => true 3 | delegate :images, :to => :assetable 4 | belongs_to :session_workaround 5 | 6 | after_initialize { build_assetable if assetable.nil? } 7 | 8 | end 9 | -------------------------------------------------------------------------------- /app/models/post.rb: -------------------------------------------------------------------------------- 1 | class Post < ActiveRecord::Base 2 | belongs_to :assetable, :dependent => :destroy 3 | delegate :images, :to => :assetable 4 | 5 | after_initialize { build_assetable if assetable.nil? } 6 | 7 | validates :title, :presence => true 8 | validates :body, :presence => true 9 | validates :images, :collection_size => { :min_size => 1, :max_size => 3 } 10 | 11 | end 12 | -------------------------------------------------------------------------------- /app/models/session_workaround.rb: -------------------------------------------------------------------------------- 1 | class SessionWorkaround < ActiveRecord::Base 2 | has_many :image_uploads, :dependent => :destroy 3 | 4 | def self.translate_action(action) 5 | return "new" if action == "new" or action == "create" 6 | return "edit" if action == "edit" or action == "update" 7 | nil 8 | end 9 | end 10 | -------------------------------------------------------------------------------- /app/views/layouts/application.html.erb: -------------------------------------------------------------------------------- 1 | 2 | 3 |
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