Final exam

Gemfile

@@ -43,7 +43,6 @@ group :development, :test do
   gem 'byebug'
 
   # Access an IRB console on exception pages or by using <%= console %> in views
-  gem 'web-console', '~> 2.0'
 
   # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
   gem 'spring'

Gemfile.lock

@@ -36,59 +36,58 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    arel (6.0.0)
-    bcrypt (3.1.10)
-    binding_of_caller (0.7.2)
-      debug_inspector (>= 0.0.1)
+    arel (6.0.3)
+    bcrypt (3.1.11)
     builder (3.2.2)
-    byebug (5.0.0)
-      columnize (= 0.9.0)
-    coffee-rails (4.1.0)
+    byebug (9.0.5)
+    coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
-      railties (>= 4.0.0, < 5.0)
+      railties (>= 4.0.0, < 5.1.x)
     coffee-script (2.4.1)
       coffee-script-source
       execjs
-    coffee-script-source (1.9.1.1)
-    columnize (0.9.0)
-    debug_inspector (0.0.2)
-    devise (3.5.1)
+    coffee-script-source (1.10.0)
+    concurrent-ruby (1.0.2)
+    devise (4.2.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 3.2.6, < 5)
+      railties (>= 4.1.0, < 5.1)
       responders
-      thread_safe (~> 0.1)
       warden (~> 1.2.3)
     diff-lcs (1.2.5)
     erubis (2.7.0)
-    execjs (2.5.2)
-    faker (1.4.3)
+    execjs (2.7.0)
+    faker (1.6.5)
       i18n (~> 0.5)
-    globalid (0.3.5)
+    globalid (0.3.6)
       activesupport (>= 4.1.0)
     i18n (0.7.0)
-    jbuilder (2.3.0)
-      activesupport (>= 3.0.0, < 5)
+    jbuilder (2.6.0)
+      activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
-    jquery-rails (4.0.4)
-      rails-dom-testing (~> 1.0)
+    jquery-rails (4.1.1)
+      rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.3)
-    kaminari (0.16.3)
+    kaminari (0.17.0)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
-    loofah (2.0.2)
+    loofah (2.0.3)
       nokogiri (>= 1.5.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.6.1)
-    mini_portile (0.6.2)
-    minitest (5.7.0)
-    multi_json (1.11.1)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    mail (2.6.4)
+      mime-types (>= 1.16, < 4)
+    mime-types (3.1)
+      mime-types-data (~> 3.2015)
+    mime-types-data (3.2016.0521)
+    mini_portile2 (2.1.0)
+    minitest (5.9.0)
+    multi_json (1.12.1)
+    nokogiri (1.6.8)
+      mini_portile2 (~> 2.1.0)
+      pkg-config (~> 1.1.7)
     orm_adapter (0.5.0)
+    pkg-config (1.1.7)
     rack (1.6.4)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -105,73 +104,70 @@ GEM
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
+    rails-dom-testing (1.0.7)
       activesupport (>= 4.2.0.beta, < 5.0)
       nokogiri (~> 1.6.0)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.2)
+    rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
     railties (4.2.2)
       actionpack (= 4.2.2)
       activesupport (= 4.2.2)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
-    rdoc (4.2.0)
-    responders (2.1.0)
-      railties (>= 4.2.0, < 5)
-    rspec-core (3.3.2)
-      rspec-support (~> 3.3.0)
-    rspec-expectations (3.3.1)
+    rake (11.2.2)
+    rdoc (4.2.2)
+      json (~> 1.4)
+    responders (2.2.0)
+      railties (>= 4.2.0, < 5.1)
+    rspec-core (3.5.1)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.3.0)
-    rspec-mocks (3.3.2)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.3.0)
-    rspec-rails (3.3.3)
-      actionpack (>= 3.0, < 4.3)
-      activesupport (>= 3.0, < 4.3)
-      railties (>= 3.0, < 4.3)
-      rspec-core (~> 3.3.0)
-      rspec-expectations (~> 3.3.0)
-      rspec-mocks (~> 3.3.0)
-      rspec-support (~> 3.3.0)
-    rspec-support (3.3.0)
-    sass (3.4.15)
-    sass-rails (5.0.3)
-      railties (>= 4.0.0, < 5.0)
+      rspec-support (~> 3.5.0)
+    rspec-rails (3.5.1)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+    sass (3.4.22)
+    sass-rails (5.0.5)
+      railties (>= 4.0.0, < 6)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
-      tilt (~> 1.1)
+      tilt (>= 1.1, < 3)
     sdoc (0.4.1)
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
-    spring (1.3.6)
-    sprockets (3.2.0)
-      rack (~> 1.0)
-    sprockets-rails (2.3.2)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      sprockets (>= 2.8, < 4.0)
-    sqlite3 (1.3.10)
+    spring (1.7.2)
+    sprockets (3.7.0)
+      concurrent-ruby (~> 1.0)
+      rack (> 1, < 3)
+    sprockets-rails (3.1.1)
+      actionpack (>= 4.0)
+      activesupport (>= 4.0)
+      sprockets (>= 3.0.0)
+    sqlite3 (1.3.11)
     thor (0.19.1)
     thread_safe (0.3.5)
-    tilt (1.4.1)
-    turbolinks (2.5.3)
-      coffee-rails
+    tilt (2.0.5)
+    turbolinks (5.0.0)
+      turbolinks-source (~> 5)
+    turbolinks-source (5.0.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    uglifier (2.7.1)
-      execjs (>= 0.3.0)
-      json (>= 1.8.0)
-    warden (1.2.3)
+    uglifier (3.0.0)
+      execjs (>= 0.3.0, < 3)
+    warden (1.2.6)
       rack (>= 1.0)
-    web-console (2.1.3)
-      activemodel (>= 4.0)
-      binding_of_caller (>= 0.7.2)
-      railties (>= 4.0)
-      sprockets-rails (>= 2.0, < 4.0)
 
 PLATFORMS
   ruby
@@ -192,7 +188,6 @@ DEPENDENCIES
   sqlite3
   turbolinks
   uglifier (>= 1.3.0)
-  web-console (~> 2.0)
 
 BUNDLED WITH
-   1.10.5
+   1.12.5

app/assets/javascripts/api_v1/messages.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/api_v1/messages.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the api_v1/messages controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/api_controller.rb

@@ -0,0 +1,2 @@
+class ApiController < ActionController::Base
+end

app/controllers/api_v1/messages_controller.rb

@@ -0,0 +1,6 @@
+class ApiV1::MessagesController < ApplicationController
+
+	def index
+		@messages = Message.all
+	end
+end

app/controllers/comments_controller.rb

@@ -16,7 +16,10 @@ def destroy
     @comment = current_user.comments.find( params[:id] )
     @comment.destroy
 
-    redirect_to :back
+    respond_to do |format|
+      format.html { redirect_to :back}
+      format.js
+    end
   end
 
   protected

app/controllers/messages_controller.rb

@@ -4,19 +4,16 @@ class MessagesController < ApplicationController
 
   def index
     # TODO: fix N+1 queries for user and comments
-    @messages = Message.order("id DESC").page( params[:page] )
+    @messages = Message.order("id DESC").includes(:user ,:comments).page( params[:page] )
 
     if params[:status] == "pending"
-      # TODO: @messages = @messages.pending
-      @messages = @messages.where( :status => "pending" )
+      @messages = @messages.pending
     elsif params[:status] == "completed"
-      # TODO: @messages = @messages.completed
-      @messages = @messages.where( :status => "completed" )
+      @messages = @messages.completed
     end
 
     if params[:days]
-      # TODO: @messages = @messages.within_days(params[:days].to_i)
-      @messages = @messages.where( ["created_at >= ?", Time.now - params[:days].to_i.days ] )
+      @messages = @messages.within_days(params[:days].to_i)
     end
   end
 

app/helpers/api_v1/messages_helper.rb

@@ -0,0 +1,2 @@
+module ApiV1::MessagesHelper
+end

app/models/like.rb

@@ -0,0 +1,5 @@
+class Like < ActiveRecord::Base
+
+	belongs_to :message
+	belongs_to :user
+end

app/models/message.rb

@@ -4,7 +4,19 @@ class Message < ActiveRecord::Base
 
   has_many :comments, :dependent => :destroy
 
-  def last_comment_summary
+  has_many :likes, :dependent => :destroy
+  has_many :likes_by, :through => :likes, :source => :user, :dependent => :destroy
+
+  has_many :subscriptions, :dependent => :destroy
+  has_many :subscriptions_by, :through => :likes, :source => :user, :dependent => :destroy
+
+
+  scope :pending, -> { where status: "pending" }
+  scope :completed, -> {where status: "completed" }
+  scope :within_days, -> (time){ where "created_at >= ?", Time.now - time.days }
+
+
+	def last_comment_summary
     self.comments.last.try(:content).try(:truncate, 20)
   end
 

app/models/subscription.rb

@@ -0,0 +1,5 @@
+class Subscription < ActiveRecord::Base
+
+	belongs_to :message
+	belongs_to :user
+end

app/models/user.rb

@@ -7,12 +7,18 @@ class User < ActiveRecord::Base
   has_many :messages
   has_many :comments
 
+  has_many :likes, :dependent => :destroy
+  has_many :like_messages, :through => :likes, :source => :message, :dependent => :destroy
+
+  has_many :subscriptions, :dependent => :destroy
+  has_many :subscriptions_by, :through => :likes, :source => :message, :dependent => :destroy
+
   def display_name
     self.email.split("@").first
   end
 
   def posts_count
-    # TODO: 請完成我
+    self.messages.count + self.comments.count
   end
 
   def words_count

app/views/api_v1/messages/index.json.jbuilder

@@ -0,0 +1,10 @@
+json.data do
+  json.array!(@messages) do |message|
+    json.id message.id
+    json.status message.status
+    json.category_name message.category_name
+    json.title message.title
+    json.content message.content
+    json.created_at message.created_at
+  end
+end

app/views/comments/destroy.js.erb

@@ -0,0 +1 @@
+$("#delete-<%= @comment.id %>").remove();

app/views/messages/show.html.erb

@@ -2,6 +2,17 @@
 
 <%= simple_format @message.content %>
 
+<h3>Likes</h3>
+  <p><% @message.likes_by.each do |user| %></p>
+      <%= user.email%>
+  <% end %>
+
+<h3>Subscribed</h3>
+  <% @message.subscriptions_by.each do |user| %>
+     <p><%= user.email%></p>
+  <% end %>
+
+
 <h2>Comments list</h2>
 
 <%= form_for [@message, @comment] do |f| %>
@@ -18,14 +29,15 @@
 <% end %>
 
 <% @message.comments.each do |comment| %>
-
+<div id = "delete-<%= comment.id %>">
   <p><%= simple_format comment.content %> at <%= comment.created_at.to_s(:short) %> by <%= comment.user.display_name %>
 
     <% if comment.user == current_user %>
       <%# TODO: 修改成 AJAX 版本的刪除 %>
-      <%= link_to "Delete", message_comment_path(@message, comment), :method => :delete, :data => { :confirm => "Are u sure?"} %>
+      <%= link_to "Delete", message_comment_path(@message, comment), :method => :delete, :remote => true %>
+
     <% end %>
   </p>
-
+</div>
 <% end %>
 

config/application.rb

@@ -1,7 +1,7 @@
 require File.expand_path('../boot', __FILE__)
 
 require 'rails/all'
-
+require 'yaml'
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
 Bundler.require(*Rails.groups)