第八章完成

kaku/sample_app/!!

@@ -0,0 +1,6 @@
+<li>
+<span class="content"><%= micropost.content %></span>
+<span class="timestamp">
+  Posted <%= time_ago_in_words(micropost.created_at) %> ago.
+</span>
+</li>

kaku/sample_app/Gemfile

@@ -4,6 +4,9 @@ ruby '2.0.0'
 gem 'rails', '4.0.0'
 gem 'bootstrap-sass', '2.3.2.0'
 gem 'bcrypt-ruby', '3.0.1'
+gem 'faker', '1.1.2'
+gem 'will_paginate', '3.0.4'
+gem 'bootstrap-will_paginate', '0.0.9'
 group :development, :test do
   gem 'sqlite3', '1.3.7'
   gem 'rspec-rails', '2.13.1'
@@ -13,6 +16,7 @@ group :development, :test do
 end
 
 group :test do
+  gem 'webrat'
   gem 'selenium-webdriver', '2.0.0'
   gem 'capybara', '2.1.0'
   gem 'guard-rspec','2.5.0'

kaku/sample_app/Gemfile.lock

@@ -37,6 +37,8 @@ GEM
     bcrypt-ruby (3.0.1)
     bootstrap-sass (2.3.2.0)
       sass (~> 3.2)
+    bootstrap-will_paginate (0.0.9)
+      will_paginate
     builder (3.1.4)
     capybara (2.1.0)
       mime-types (>= 1.16)
@@ -63,6 +65,8 @@ GEM
     factory_girl_rails (4.2.1)
       factory_girl (~> 4.2.0)
       railties (>= 3.0.0)
+    faker (1.1.2)
+      i18n (~> 0.5)
     ffi (1.9.0)
     formatador (0.2.4)
     guard (1.8.1)
@@ -186,6 +190,11 @@ GEM
     uglifier (2.1.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
+    webrat (0.7.3)
+      nokogiri (>= 1.2.0)
+      rack (>= 1.0)
+      rack-test (>= 0.5.3)
+    will_paginate (3.0.4)
     xpath (2.0.0)
       nokogiri (~> 1.3)
 
@@ -195,10 +204,12 @@ PLATFORMS
 DEPENDENCIES
   bcrypt-ruby (= 3.0.1)
   bootstrap-sass (= 2.3.2.0)
+  bootstrap-will_paginate (= 0.0.9)
   capybara (= 2.1.0)
   childprocess (= 0.3.6)
   coffee-rails (= 4.0.0)
   factory_girl_rails (= 4.2.1)
+  faker (= 1.1.2)
   guard-rspec (= 2.5.0)
   guard-spork (= 1.5.0)
   jbuilder (= 1.0.2)
@@ -213,3 +224,5 @@ DEPENDENCIES
   sqlite3 (= 1.3.7)
   turbolinks (= 1.1.1)
   uglifier (= 2.1.1)
+  webrat
+  will_paginate (= 3.0.4)

kaku/sample_app/app/assets/javascripts/application.js

@@ -12,5 +12,6 @@
 //
 //= require jquery
 //= require jquery_ujs
+//= require bootstrap
 //= require turbolinks
 //= require_tree .

kaku/sample_app/app/assets/javascripts/sessions.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/

kaku/sample_app/app/assets/stylesheets/custom.css.scss

@@ -134,4 +134,58 @@ input, textarea, select, .uneditable-input {
 
 input {
   height: auto !important;
-}
+}
+
+#error_explanation {
+  color: #f00;
+  ul {
+    list-style: none;
+    margin: 0 0 18px 0;
+  }
+}
+
+.field_with_errors {
+  @extend .control-group;
+  @extend .error;
+ }
+
+.users {
+  list-style: none;
+  margin: 0;
+  li {
+    overflow: auto;
+    padding: 10px 0;
+    border-top: 1px solid $grayLighter;
+    &:last-child {
+      border-bottom: 1px solid $grayLighter;
+    }
+  }
+}
+
+/* microposts */
+
+.microposts {
+  list-style: none;
+  margin: 10px 0 0 0;
+
+  li {
+    padding: 10px 0;
+    border-top: 1px solid #e8e8e8;
+  }
+}
+.content {
+  display: block;
+}
+.timestamp {
+  color: $grayLight;
+}
+.gravatar {
+  float: left;
+  margin-right: 10px;
+}
+aside {
+  textarea {
+    height: 100px;
+    margin-bottom: 5px;
+  }
+}

kaku/sample_app/app/assets/stylesheets/sessions.css.scss

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

kaku/sample_app/app/controllers/application_controller.rb

@@ -2,4 +2,5 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+  include SessionsHelper
 end

kaku/sample_app/app/controllers/microposts_controller.rb

@@ -0,0 +1,31 @@
+class MicropostsController < ApplicationController
+  before_action :signed_in_user
+  before_action :correct_user,   only: :destroy
+
+  def create
+    @micropost = current_user.microposts.build(micropost_params)
+    if @micropost.save
+      flash[:success] = "Micropost created!"
+      redirect_to root_url
+    else
+      @feed_items = []
+      render 'static_pages/home'
+    end
+  end
+
+  def destroy
+    @micropost.destroy
+    redirect_to root_url
+  end
+
+  private
+
+  def micropost_params
+    params.require(:micropost).permit(:content)
+  end
+  def correct_user
+    @micropost = current_user.microposts.find_by(id: params[:id])
+    redirect_to root_url if @micropost.nil?
+  end
+end
+

kaku/sample_app/app/controllers/sessions_controller.rb

@@ -0,0 +1,21 @@
+class SessionsController < ApplicationController
+  def new
+    end
+
+    def create
+      user = User.find_by(email: params[:session][:email].downcase)
+      if user && user.authenticate(params[:session][:password])
+        # Sign the user in and redirect to the user's show page.
+        sign_in user
+        redirect_to user
+      else
+        flash.now[:error] = 'Invalid email/password combination'
+        render 'new'
+      end
+    end
+
+    def destroy
+      sign_out
+      redirect_to root_path
+    end
+end

kaku/sample_app/app/controllers/static_pages_controller.rb

@@ -1,5 +1,9 @@
 class StaticPagesController < ApplicationController
   def home
+    if signed_in?
+      @micropost  = current_user.microposts.build
+      @feed_items = current_user.feed.paginate(page: params[:page])
+    end
   end
 
   def help

kaku/sample_app/app/controllers/users_controller.rb

@@ -1,23 +1,75 @@
 class UsersController < ApplicationController
+  before_action :currect_user,only: [:edit, :update]
+  before_action :signed_in_user,only: [:index, :edit, :update]
+  before_action :admin_user,     only: :destroy
+
   def new
     @user = User.new
   end
-  
+
   def show
-     @user = User.find(params[:id])
+    @user = User.find(params[:id])
+    @microposts = @user.microposts.paginate(page: params[:page])
   end
-  
+
   def create
-    @user = User.new(params[:user])    # Not the final implementation!
+    @user = User.new(user_params)    # Not the final implementation!
     if @user.save
-      # Handle a successful save.
+      sign_in @user
+      flash[:success] = "Welcome to the Sample App!"
+      redirect_to @user
     else
       render 'new'
     end
   end
-
+
+  def destroy
+    User.find(params[:id]).destroy
+    flash[:success] = "User destroyed."
+    redirect_to users_url
+  end
+
+  def sign_out
+    self.current_user = nil
+    cookies.delete(:remember_token)
+  end
+
+  def edit
+    @user = User.find(params[:id])
+  end 
+
+  def update
+    @user = User.find(params[:id])
+    if @user.update_attributes(user_params)
+      flash[:success] = "Profile updated"
+      sign_in @user
+      redirect_to @user
+    else
+      render 'edit'
+
+    end
+  end
+
+  def index
+    @users = User.paginate(page: params[:page])
+  end
+
   private
-     def user_params
-       params.require(:user).permit(:name, :email, :password, :password_confirmation)
-     end
+  def user_params
+    params.require(:user).permit(:name, :email, :password, :password_confirmation)
+  end
+
+  def signed_in_user
+    redirect_to signin_url, notice: "Please sign in." unless signed_in?
+
+  end
+
+  def currect_user
+    @user = User.find(params[:id]) 
+    redirect_to(root_path) unless current_user?(@user)
+  end
+
+  def admin_user
+    redirect_to(root_path) unless current_user.admin?
+  end
 end

kaku/sample_app/app/helpers/sessions_helper.rb

@@ -0,0 +1,61 @@
+module SessionsHelper
+  def sign_in(user)
+    remember_token = User.new_remember_token
+    cookies.permanent[:remember_token] = remember_token
+    user.update_attribute(:remember_token, User.encrypt(remember_token))
+    self.current_user = user
+  end
+
+  def signed_in_user
+    unless signed_in?
+      store_location
+      redirect_to signin_url, notice: "Please sign in."
+    end
+  end
+
+  def signed_in?
+    !current_user.nil?
+  end
+
+  def current_user=(user)
+    @current_user = user
+  end
+
+  def current_user
+    remember_token = User.encrypt(cookies[:remember_token])
+    @current_user ||= User.find_by(remember_token: remember_token)
+  end
+
+  def current_user?(user)
+    user == current_user
+  end
+
+  def sign_out
+    self.current_user = nil
+    cookies.delete(:remember_token)
+  end
+
+  def redirect_back_or(default)
+    redirect_to(seeesion[:return_to] || default)
+    session.delete(:return_to)
+  end
+
+  def store_location
+    session[:return_to] = request.fullpath
+  end
+
+  def create
+    user = User.find_by(email: params[:session][:email].downcase)
+    if user && user.authenticate(session_params)
+      sign_in user
+      redirect_back_or user
+    else
+      flash.now[:error] = 'Invalid email/password combination'
+      render 'new'
+    end
+  end
+
+  def session_params
+    params.require(:session).permit(:email, :password)
+  end
+end

kaku/sample_app/app/models/micropost.rb

@@ -0,0 +1,6 @@
+class Micropost < ActiveRecord::Base
+  belongs_to :user
+  default_scope -> {order('created_at DESC')}
+  validates :content, presence: true,length: { maximum: 140 }
+  validates :user_id, presence: true
+end