Upload Model

Gemfile

@@ -46,13 +46,14 @@ group :development, :test do
   gem 'hirb'
   gem 'hirb-unicode'
   gem 'awesome_print'
+
+  gem 'rspec-rails'
+  gem 'factory_girl_rails'
 end
 
 group :test do
-  gem 'rspec-rails'
   gem 'shoulda-matchers'
   gem 'database_rewinder'
-  gem 'factory_girl_rails'
   gem 'forgery'
   gem 'capybara'
 

app/assets/javascripts/upload.js.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/upload.css.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the upload controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/uploads_controller.rb

@@ -0,0 +1,34 @@
+class UploadsController < ApplicationController
+  before_action :set_upload, only: [:destroy]
+
+  def new
+    @upload = Upload.new
+  end
+
+  def create
+    @upload = Upload.new(upload_params)
+
+    if @upload.save
+      redirect_to root_url, notice: 'Upload was successfully created.'
+    else
+      render action: 'new'
+    end
+  end
+
+  # DELETE /uploads/1
+  # DELETE /uploads/1.json
+  def destroy
+    @upload.destroy
+    redirect_to root_url
+  end
+
+  private
+
+  def set_upload
+    @upload = Upload.find(params[:id])
+  end
+
+  def upload_params
+    params.require(:upload).permit(:file).merge(ip: request.remote_ip)
+  end
+end

app/helpers/uploads_helper.rb

@@ -0,0 +1,2 @@
+module UploadsHelper
+end

app/models/upload.rb

@@ -0,0 +1,29 @@
+class Upload < ActiveRecord::Base
+  attr_accessor :file
+
+  before_validation :set_attributes_from_file, :if => Proc.new { |instance| instance.new_record? }
+
+  validates :filename, presence: true, format: { with: /\.[A-Za-z]+\Z/ }
+  validates :ext, presence: true
+  validates :ip, presence: true
+
+  private
+
+  def set_attributes_from_file
+    set_filename
+    set_ext
+    set_data
+  end
+
+  def set_data
+    self.data = @file.read
+  end
+
+  def set_filename
+    self.filename = @file.original_filename
+  end
+
+  def set_ext
+    self.ext = File.extname(@file.original_filename)
+  end
+end

app/views/uploads/_form.html.haml

@@ -0,0 +1,10 @@
+= form_for @upload do |f|
+  - if @upload.errors.any?
+    #error_explanation
+      %h2= "#{pluralize(@upload.errors.count, "error")} prohibited this upload from being saved:"
+      %ul
+        - @upload.errors.full_messages.each do |msg|
+          %li= msg
+
+  .actions
+    = f.submit 'Save'

app/views/uploads/new.html.haml

@@ -0,0 +1,5 @@
+%h1 New upload
+
+= render 'form'
+
+= link_to 'Back', uploads_path

config/routes.rb

@@ -1,3 +1,4 @@
 PecaUploader::Application.routes.draw do
   root "welcome#index"
+  resources :upload, only: [:new, :create, :destroy]
 end

db/migrate/20130928060122_create_uploads.rb

@@ -0,0 +1,14 @@
+class CreateUploads < ActiveRecord::Migration
+  def change
+    create_table :uploads do |t|
+      t.string :filename,  presence: true
+      t.string :ext,      presence: true
+      t.string :comment
+      t.string :ip,       presence: true
+      t.integer :view_count
+      t.binary :data, :limit => 5.megabytes
+
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -11,6 +11,17 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 0) do
+ActiveRecord::Schema.define(version: 20130928060122) do
+
+  create_table "uploads", force: true do |t|
+    t.string   "filename"
+    t.string   "ext"
+    t.string   "comment"
+    t.string   "ip"
+    t.integer  "view_count"
+    t.binary   "data",       limit: 5242880
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
 
 end

spec/controllers/uploads_controller_spec.rb

@@ -0,0 +1,64 @@
+require 'spec_helper'
+
+describe UploadsController do
+  let(:valid_attributes) { FactoryGirl.attributes_for(:upload) }
+  let(:invalid_attribtues) { {} }
+  let(:valid_session) { {} }
+
+  describe "GET new" do
+    it "assigns a new upload as @upload" do
+      get :new
+      assigns(:upload).should be_a_new(Upload)
+    end
+  end
+
+  describe "POST create" do
+    describe "with valid params" do
+      # before { fixture_file_upload('upload.png', 'image/png') }
+      it "creates a new Upload" do
+        expect {
+          post :create, {:upload => valid_attributes}, valid_session
+        }.to change(Upload, :count).by(1)
+      end
+
+      it "assigns a newly created upload as @upload" do
+        post :create, {:upload => valid_attributes}, valid_session
+        assigns(:upload).should be_a(Upload)
+        assigns(:upload).should be_persisted
+      end
+
+      it "redirects to the created upload" do
+        post :create, {:upload => valid_attributes}, valid_session
+        response.should redirect_to(root_url)
+      end
+    end
+
+    describe "with invalid params" do
+      it "raises an exception" do
+        expect { post :create, {upload: invalid_attribtues} }.to raise_error ActionController::ParameterMissing
+      end
+
+      it "re-renders the 'new' template" do
+        Upload.any_instance.stub(:save).and_return(false)
+        post :create, {:upload => valid_attributes.merge(filename: Forgery(:basic).text)}, valid_session
+        response.should render_template("new")
+      end
+    end
+  end
+
+  describe "DELETE destroy" do
+    it "destroys the requested upload" do
+      upload = Upload.create! valid_attributes
+      expect {
+        delete :destroy, {:id => upload.to_param}, valid_session
+      }.to change(Upload, :count).by(-1)
+    end
+
+    it "redirects to the uploads list" do
+      upload = Upload.create! valid_attributes
+      delete :destroy, {:id => upload.to_param}, valid_session
+      response.should redirect_to(root_url)
+    end
+  end
+
+end

spec/factories/uploads.rb

@@ -0,0 +1,11 @@
+# Read about factories at https://github.com/thoughtbot/factory_girl
+
+FactoryGirl.define do
+  factory :upload do
+    file { fixture_file_upload(Rails.root.join('spec', 'fixtures', 'upload.png'), 'image/png') }
+    comment { Forgery(:basic).text(at_most: 200) }
+    ip { Forgery(:internet).ip_v4 }
+    # ext
+    # view_count
+  end
+end

spec/helpers/uploads_helper_spec.rb

@@ -0,0 +1,15 @@
+require 'spec_helper'
+
+# Specs in this file have access to a helper object that includes
+# the UploadsHelper. For example:
+#
+# describe UploadsHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+describe UploadsHelper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/upload_spec.rb

@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+describe Upload do
+  describe "validations" do
+    subject { FactoryGirl.build(:upload) }
+
+    shared_context "should not be valid" do
+      it "" do should_not be_valid end
+    end
+
+    context "パラメータが設定されていれば" do
+      it "検証が成功する" do should be_valid end
+    end
+
+    context "ファイル名が設定されていなければ" do
+      before { subject.stub(:set_filename).and_return("") }
+      include_context "should not be valid"
+    end
+
+    context "ファイル名に拡張子がなければ" do
+      before { subject.stub(:set_filename).and_return(Forgery(:basic).text) }
+      include_context "should not be valid"
+    end
+
+    context "拡張子が設定されていなければ" do
+      before { subject.stub(:set_ext).and_return("") }
+      include_context "should not be valid"
+    end
+
+    context "IPが設定されていなければ" do
+      before { subject.ip = "" }
+      include_context "should not be valid"
+    end
+  end
+end

spec/spec_helper.rb

@@ -16,6 +16,8 @@
 # If you are not using ActiveRecord, you can remove this line.
 ActiveRecord::Migration.check_pending! if defined?(ActiveRecord::Migration)
 
+include ActionDispatch::TestProcess
+
 Capybara.default_driver = :rack_test
 Capybara.configure do |config|
   config.match = :one