Simple Twitter挑戰

Gemfile

@@ -16,10 +16,9 @@ gem 'ffaker'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
 gem 'rails', '~> 5.1.4'
-# Use sqlite3 as the database for Active Record
-gem 'sqlite3'
 # Use Puma as the app server
 gem 'puma', '~> 3.7'
+gem 'bootstrap-sass', '~> 3.3.7'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
@@ -40,6 +39,11 @@ gem 'jbuilder', '~> 2.5'
 
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
+gem 'jquery-rails'
+
+group :production do
+  gem 'pg', '~> 0.20'
+end
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console

Gemfile.lock

@@ -41,11 +41,16 @@ GEM
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     arel (8.0.0)
+    autoprefixer-rails (9.1.3)
+      execjs
     bcrypt (3.1.12)
     bcrypt (3.1.12-java)
     bcrypt (3.1.12-x64-mingw32)
     bcrypt (3.1.12-x86-mingw32)
     bindex (0.5.0)
+    bootstrap-sass (3.3.7)
+      autoprefixer-rails (>= 5.2.1)
+      sass (>= 3.3.4)
     builder (3.2.3)
     byebug (10.0.2)
     capybara (2.18.0)
@@ -97,6 +102,10 @@ GEM
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
+    jquery-rails (4.3.3)
+      rails-dom-testing (>= 1, < 3)
+      railties (>= 4.2.0)
+      thor (>= 0.14, < 2.0)
     listen (3.1.5)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
@@ -124,6 +133,9 @@ GEM
     nokogiri (1.8.4-x86-mingw32)
       mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
+    pg (0.21.0)
+    pg (0.21.0-x64-mingw32)
+    pg (0.21.0-x86-mingw32)
     public_suffix (3.0.2)
     puma (3.12.0)
     puma (3.12.0-java)
@@ -251,6 +263,7 @@ PLATFORMS
   x86-mswin32
 
 DEPENDENCIES
+  bootstrap-sass (~> 3.3.7)
   byebug
   capybara (~> 2.13)
   carrierwave
@@ -259,7 +272,9 @@ DEPENDENCIES
   factory_bot_rails
   ffaker
   jbuilder (~> 2.5)
+  jquery-rails
   listen (>= 3.0.5, < 3.2)
+  pg (~> 0.20)
   puma (~> 3.7)
   rails (~> 5.1.4)
   rails-controller-testing

app/assets/javascripts/application.js

@@ -13,3 +13,5 @@
 //= require rails-ujs
 //= require turbolinks
 //= require_tree .
+//= require jquery
+//= require bootstrap-sprockets

app/assets/stylesheets/application.css → app/assets/stylesheets/application.scss

@@ -10,6 +10,7 @@
  * files in this directory. Styles in this file should be added after the last require_* statement.
  * It is generally better to create a new file per style scope.
  *
- *= require_tree .
- *= require_self
  */
+@import "bootstrap-sprockets";
+@import "bootstrap";
+@import 'style'

app/assets/stylesheets/style.scss

@@ -0,0 +1,50 @@
+
+.form-style{
+border:2px grey solid;
+border-radius: 10px;
+margin: 10px;
+}
+
+.button-tweet{
+  border-radius: 5px;
+  padding: 5px 15px;
+  margin-right: 0px;
+  margin-bottom: 10px;
+}
+
+.tweet-item{
+  margin: 10px;
+  border: 1px solid #ddd;
+  padding: 10px 10px;
+}
+
+
+.tweet-avatar{
+  margin: 0px 0px 0px 0px;
+  width: 50px;
+}
+
+.nav-avatar{
+  padding: 0px 0px;
+  margin: 0px 0px;
+}
+
+.navbar-nav > li > a {
+  padding: 0px 0px;
+}
+
+.user-avatar{
+  margin: 0px 0px 0px 0px;
+  width: 200px
+}
+
+.user-item {
+  border: 1px solid #ddd;
+  border-radius: 4px;
+  padding: 4px;
+  margin-bottom: 20px;
+}
+
+.reply-area {
+  padding: 15px 15px;
+}

app/controllers/admin/base_controller.rb

@@ -1,3 +1,15 @@
 class Admin::BaseController < ApplicationController
+  before_action :authenticate_user!
+  before_action :authenticate_admin
 
+
+  private
+
+  def authenticate_admin
+    unless current_user.admin?
+      flash[:alert] = "Not allow!"
+      redirect_to root_path
+    end  
+  end
+
 end

app/controllers/admin/tweets_controller.rb

@@ -1,7 +1,12 @@
 class Admin::TweetsController < Admin::BaseController
   def index
+    @tweets = Tweet.all.order(created_at: :desc)
   end
 
   def destroy
+    @tweet = Tweet.find(params[:id])
+    @tweet.destroy
+    redirect_to admin_root_path
+    flash[:alert] = "Tweet has been deleted!"
   end
 end

app/controllers/admin/users_controller.rb

@@ -1,4 +1,5 @@
 class Admin::UsersController < Admin::BaseController
   def index
+    @users = User.order(followers_count: :desc)
   end
 end

app/controllers/application_controller.rb

@@ -1,7 +1,16 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
-
+  before_action :configure_permitted_parameters, if: :devise_controller?
+  before_action :authenticate_user!
   # 請參考 Devise 文件自訂表單後通過 Strong Parameters 的方法
   # https://github.com/plataformatec/devise#strong-parameters
   # 注意有 sign_up 和 account_update 兩種參數要處理
+
+  protected
+  # Devise 客製化屬性的使用說明：  https://github.com/plataformatec/devise#strong-parameters
+  def configure_permitted_parameters
+    devise_parameter_sanitizer.permit(:sign_up, keys: [:name])
+    devise_parameter_sanitizer.permit(:account_update, keys: [:name])
+  end
+
 end

app/controllers/followships_controller.rb

@@ -1,7 +1,22 @@
 class FollowshipsController < ApplicationController
   def create
+
+    @followship = current_user.followships.build(following_id: params[:following_id])
+    if @followship.user_id != @followship.following_id
+      if @followship.save
+        flash[:notice] = "Successfilly followed"
+        redirect_back(fallback_location: tweets_user_path(params[:following_id]))
+      else
+        flash[:alert] = @followship.errors.full_messages.to_sentence
+        redirect_back(fallback_location: tweets_user_path(params[:following_id]))
+      end
+    end
   end
 
   def destroy
+    @followship = current_user.followships.where(following_id: params[:id]).first
+    @followship.destroy
+    flash[:alert] = "Followship destroyed"
+    redirect_back(fallback_location: tweets_user_path(params[:id]))
   end
 end

app/controllers/replies_controller.rb

@@ -1,9 +1,23 @@
 class RepliesController < ApplicationController
 
   def index
+    @tweet = Tweet.find(params[:tweet_id])
+    @replies = @tweet.replies
+    @reply = Reply.new
   end
 
   def create
+    @tweet = Tweet.find(params[:tweet_id])
+    @reply = @tweet.replies.build(replied_params)
+    @reply.user = current_user
+    @reply.save!
+    redirect_to tweet_replies_path(@tweet) 
+  end
+
+  private
+
+  def replied_params
+    params.require(:reply).permit(:comment)
   end
 
 end

app/controllers/tweets_controller.rb

@@ -1,16 +1,41 @@
 class TweetsController < ApplicationController
 
   def index
-    @users # 基於測試規格，必須講定變數名稱，請用此變數中存放關注人數 Top 10 的使用者資料
+    @tweets = Tweet.all.order(created_at: :desc)
+    @tweet = Tweet.new
+    @users = User.order(followers_count: :desc).limit(10)# 基於測試規格，必須講定變數名稱，請用此變數中存放關注人數 Top 10 的使用者資料
   end
 
   def create
+    @tweet = Tweet.new(tweet_params)
+    @tweet.user = current_user
+    if @tweet.save
+      flash[:notice] = "You Tweet was successfully created"
+      redirect_to tweets_path
+    else
+      flash.now[:alert] = "Your Tweet was failed to create"
+      render :index
+    end
   end
 
   def like
+    @tweet = Tweet.find(params[:id])
+    @tweet.likes.create!(user: current_user)
+    redirect_back(fallback_location: tweets_path)
   end
 
   def unlike
+    @tweet = Tweet.find(params[:id])
+    like_items = Like.where(tweet: @tweet, user: current_user)
+    like_items.destroy_all
+    redirect_back(fallback_location: tweets_path)
+  end
+
+
+  private
+
+  def tweet_params
+    params.require(:tweet).permit(:description)
   end
 
 end

app/controllers/users_controller.rb

@@ -1,24 +1,40 @@
 class UsersController < ApplicationController
 
   def tweets
+    @user = User.find(params[:id])
+    @tweets = @user.tweets.order(created_at: :desc)
   end
 
   def edit
+    @user = User.find(params[:id])
+    if @user != current_user
+      redirect_to tweets_user_path(@user)
+    end
   end
 
   def update
+    @user = User.find(params[:id])
+    @user.update(user_params)
+    redirect_to tweets_user_path(@user)
   end
 
   def followings
-    @followings # 基於測試規格，必須講定變數名稱
+    @user = User.find(params[:id])
+    @followings = @user.followings.order(created_at: :desc) # 基於測試規格，必須講定變數名稱
   end
 
   def followers
-    @followers # 基於測試規格，必須講定變數名稱
+    @user = User.find(params[:id])
+    @followers = @user.followers.order(created_at: :desc)# 基於測試規格，必須講定變數名稱
   end
 
   def likes
-    @likes # 基於測試規格，必須講定變數名稱
+    @user = User.find(params[:id])
+    @likes = @user.liked_tweets.order(created_at: :desc)# 基於測試規格，必須講定變數名稱
+  end
+
+  def user_params
+    params.require(:user).permit(:name, :introduction, :avatar)
   end
 
 end

app/models/followship.rb

@@ -1,4 +1,6 @@
 class Followship < ApplicationRecord
   validates :following_id, uniqueness: { scope: :user_id }
+  belongs_to :user
+  belongs_to :following, class_name: "User", counter_cache: :followers_count
 
 end

app/models/like.rb

@@ -1,2 +1,4 @@
 class Like < ApplicationRecord
+  belongs_to :user, counter_cache: true
+  belongs_to :tweet, counter_cache: true
 end

app/models/reply.rb

@@ -1,2 +1,4 @@
 class Reply < ApplicationRecord
+  belongs_to :user
+  belongs_to :tweet, counter_cache: true
 end

app/models/tweet.rb

@@ -1,4 +1,13 @@
 class Tweet < ApplicationRecord
   validates_length_of :description, maximum: 140
+  belongs_to :user
+  has_many :replies, dependent: :destroy
+  has_many :replied_users, through: :replies, source: :user
 
+  has_many :likes, dependent: :destroy
+  has_many :liked_users, through: :likes, source: :user
+
+  def is_like?(user)
+    self.liked_users.include?(user)
+  end
 end

app/models/user.rb

@@ -4,11 +4,32 @@ class User < ApplicationRecord
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
 
+  validates_presence_of :name
+  validates_uniqueness_of :name
+  has_many :tweets, dependent: :destroy
+  has_many :followships, dependent: :destroy 
+  has_many :followings, through: :followships
+
+  has_many :inverse_followships, class_name: "Followship", foreign_key: "following_id"
+  has_many :followers, through: :inverse_followships, source: :user
+
+  has_many :replies, dependent: :destroy
+  has_many :replied_tweets, through: :replies, source: :tweet
+
+  has_many :likes, dependent: :destroy
+  has_many :liked_tweets, through: :likes, source: :tweet
+
   mount_uploader :avatar, AvatarUploader
 
   # 需要 app/views/devise 裡找到樣板，加上 name 屬性
   # 並參考 Devise 文件自訂表單後通過 Strong Parameters 的方法
   validates_presence_of :name
   # 加上驗證 name 不能重覆 (關鍵字提示: uniqueness)
+  def admin?
+    self.role == "admin"
+  end
 
+  def following?(user)
+    self.followings.include?(user)
+  end
 end