separate image model rabbit trail

Gemfile

@@ -5,6 +5,7 @@ gem 'devise'
 gem 'jquery-rails'
 gem 'rails', '3.2.8'
 gem 'pg'
+gem 'carrierwave'
 
 # Gems used only for assets and not required
 # in production environments by default.

Gemfile.lock

@@ -31,16 +31,20 @@ GEM
     addressable (2.3.2)
     arel (3.0.2)
     bcrypt-ruby (3.0.1)
-    bourbon (2.1.1)
-      sass (>= 3.1)
+    bourbon (2.1.2)
+      sass (>= 3.2)
+      thor
     builder (3.0.4)
-    capybara (1.1.2)
+    capybara (1.1.3)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       selenium-webdriver (~> 2.0)
       xpath (~> 0.1.4)
+    carrierwave (0.7.0)
+      activemodel (>= 3.2.0)
+      activesupport (>= 3.2.0)
     childprocess (0.3.6)
       ffi (~> 1.0, >= 1.0.6)
     coffee-rails (3.2.2)
@@ -49,7 +53,7 @@ GEM
     coffee-script (2.2.0)
       coffee-script-source
       execjs
-    coffee-script-source (1.3.3)
+    coffee-script-source (1.4.0)
     cucumber (1.2.1)
       builder (>= 2.1.2)
       diff-lcs (>= 1.1.3)
@@ -89,7 +93,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.19)
-    multi_json (1.3.6)
+    multi_json (1.3.7)
     nokogiri (1.5.5)
     orm_adapter (0.4.0)
     pg (0.14.1)
@@ -134,12 +138,12 @@ GEM
       railties (>= 3.0)
       rspec (~> 2.11.0)
     rubyzip (0.9.9)
-    sass (3.2.1)
+    sass (3.2.2)
     sass-rails (3.2.5)
       railties (~> 3.2.0)
       sass (>= 3.1.10)
       tilt (~> 1.3)
-    selenium-webdriver (2.25.0)
+    selenium-webdriver (2.26.0)
       childprocess (>= 0.2.5)
       libwebsocket (~> 0.1.3)
       multi_json (~> 1.0)
@@ -156,10 +160,10 @@ GEM
       tilt (~> 1.1, != 1.3.0)
     thor (0.16.0)
     tilt (1.3.3)
-    treetop (1.4.11)
+    treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.33)
+    tzinfo (0.3.35)
     uglifier (1.3.0)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
@@ -173,6 +177,7 @@ PLATFORMS
 
 DEPENDENCIES
   bourbon
+  carrierwave
   coffee-rails (~> 3.2.1)
   cucumber-rails
   database_cleaner

app/controllers/images_controller.rb

@@ -0,0 +1,15 @@
+class ImagesController < ApplicationController
+  def create
+    @post = Post.find(params[:post_id])
+    @image = Image.new(params[:image])
+    @images.post = @post
+
+    if @image.save
+      flash[:notice] = "Your #{@images.title} has been posted."
+      redirect_to @post
+    else
+      flash[:error] = "There was a problem posting your media. #{@images.errors.full_messages.join(". ")}."
+      render 'posts/show'
+    end
+  end
+end

app/controllers/posts_controller.rb

@@ -8,6 +8,7 @@ def index
 
   def show
     @comment = Comment.new
+    @image = Image.new
   end
 
   def create

app/models/image.rb

@@ -0,0 +1,5 @@
+class Image < ActiveRecord::Base
+  attr_accessible :path, :post_id, :title, :image
+  mount_uploader :image, ImageUploader
+  belongs_to :post
+end

app/models/post.rb

@@ -6,4 +6,7 @@ class Post < ActiveRecord::Base
   belongs_to :author, class_name: "User"
   has_many :comments
   has_many :parent_comments, class_name: "Comment", conditions: { parent_comment_id: nil }
+  has_many :images
+  mount_uploader :image, ImageUploader
+
 end

app/uploaders/image_uploader.rb

@@ -0,0 +1,55 @@
+# encoding: utf-8
+
+class ImageUploader < CarrierWave::Uploader::Base
+
+  # Include RMagick or MiniMagick support:
+  # include CarrierWave::RMagick
+  # include CarrierWave::MiniMagick
+
+  # Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility:
+  # include Sprockets::Helpers::RailsHelper
+  # include Sprockets::Helpers::IsolatedHelper
+
+  # Choose what kind of storage to use for this uploader:
+  storage :file
+  # storage :fog
+
+  # Override the directory where uploaded files will be stored.
+  # This is a sensible default for uploaders that are meant to be mounted:
+  def store_dir
+    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
+  end
+
+  # Provide a default URL as a default if there hasn't been a file uploaded:
+  # def default_url
+  #   # For Rails 3.1+ asset pipeline compatibility:
+  #   # asset_path("fallback/" + [version_name, "default.png"].compact.join('_'))
+  #
+  #   "/images/fallback/" + [version_name, "default.png"].compact.join('_')
+  # end
+
+  # Process files as they are uploaded:
+  # process :scale => [200, 300]
+  #
+  # def scale(width, height)
+  #   # do something
+  # end
+
+  # Create different versions of your uploaded files:
+  # version :thumb do
+  #   process :scale => [50, 50]
+  # end
+
+  # Add a white list of extensions which are allowed to be uploaded.
+  # For images you might use something like this:
+  # def extension_white_list
+  #   %w(jpg jpeg gif png)
+  # end
+
+  # Override the filename of the uploaded files:
+  # Avoid using model.id or version_name here, see uploader/store.rb for details.
+  # def filename
+  #   "something.jpg" if original_filename
+  # end
+
+end

app/views/posts/show.html.erb

@@ -1,5 +1,13 @@
 <%= link_to "View All Posts", :root %>
 <%= render @post %>
+
+<%= form_for @image, url: post_images_path(@post), html: { multipart: true } do |f| %>
+  <%= f.file_field :image %>
+  <%= f.label :title %>
+  <%= f.text_field :title %>
+  <%= f.submit "Submit" %>
+<%- end %>
+
 <%= link_to "Edit Post", edit_post_path(@post) %>
 <hr />
 <ul><%= render @post.parent_comments %></ul>

config/routes.rb

@@ -5,6 +5,7 @@
 
   resources :posts, except: [:destroy] do
     resources :comments, only: [:create]
+    resources :images, only: [:create]
   end
 
   # The priority is based upon order of creation:

db/migrate/20121107163243_add_media_to_post.rb

@@ -0,0 +1,5 @@
+class AddMediaToPost < ActiveRecord::Migration
+  def change
+    add_column :posts, :media, :string
+  end
+end

db/migrate/20121107203118_create_images.rb

@@ -0,0 +1,11 @@
+class CreateImages < ActiveRecord::Migration
+  def change
+    create_table :images do |t|
+      t.string :title
+      t.integer :post_id
+      t.string :path
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20121107212110_add_image_id_added_to_post.rb

@@ -0,0 +1,5 @@
+class AddImageIdAddedToPost < ActiveRecord::Migration
+  def change
+    add_column :posts, :image_id, :integer
+  end
+end

db/migrate/20121108143858_add_image_to_post.rb

@@ -0,0 +1,5 @@
+class AddImageToPost < ActiveRecord::Migration
+  def change
+    add_column :posts, :image, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20121106174159) do
+ActiveRecord::Schema.define(:version => 20121108143858) do
 
   create_table "comments", :force => true do |t|
     t.integer  "post_id"
@@ -22,12 +22,30 @@
     t.integer  "parent_comment_id"
   end
 
+  create_table "images", :force => true do |t|
+    t.string   "title"
+    t.integer  "post_id"
+    t.string   "path"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
+  create_table "media", :force => true do |t|
+    t.string   "title"
+    t.string   "path"
+    t.string   "media"
+    t.datetime "created_at", :null => false
+    t.datetime "updated_at", :null => false
+  end
+
   create_table "posts", :force => true do |t|
     t.string   "title"
     t.text     "body"
     t.datetime "created_at", :null => false
     t.datetime "updated_at", :null => false
     t.integer  "author_id"
+    t.integer  "image_id"
+    t.string   "image"
   end
 
   create_table "users", :force => true do |t|

features/user_creates_post_and_uploads_media.feature

@@ -0,0 +1,32 @@
+@wip
+Feature: User creates post and uploads media
+  As a user
+  In order to share my thoughts with the world
+  I want to publish a blog post with media
+
+  Acceptance Criteria:
+  * Post must have title and body
+  * Post must be publicly visible once saved
+  * Post must show media in the post
+
+
+  Background:
+    Given I am signed in
+
+  Scenario: Happy Path
+    Given I am on the homepage
+    And I click "Write Post"
+    Then I should see "Fill in your blog post here"
+    When I fill in "My thoughts are grand" for "Title"
+    And I fill in "Actually, they aren't" for "Body"
+    And I press "Publish"
+    Then I should see "Your post has been published"
+    And I should see the title "My thoughts are grand"
+    And I should see "Actually, they aren't"
+    And show me the page
+    And I attach "/Users/sam/Desktop/myfile.mov" to "media_media"
+    And I fill in "My video" for "Title"
+    Then I should see "Your post has been published"
+    And I should see the title "My thoughts are grand"
+    And I should see "Actually, they aren't"
+    And I should see my video

spec/models/image_spec.rb

@@ -0,0 +1,5 @@
+require 'spec_helper'
+
+describe Image do
+  pending "add some examples to (or delete) #{__FILE__}"
+end