twitter clone

rails new flutter
cd workspace
cd flutter
git init

git status
git commit -m"Initial commit, rails app created."
git init
git add -A
git commit -m "first commit"
git remote add origin https://github.com/zhangst23/flutter.git
git push -u origin master

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rails g controller Pages index home profile explore
gst
git add -A
git commit -m"Created Pages controller. Added Explore, home, index and profile pages. Changed root URL to index page."
git push origin master

---

gem 'bootstrap-sass', '~> 3.3.5'
bundle
修改application.css 为 .scss
添加 bootstrap 内容 到 application.js
创建 app/views/layouts/_nav.html.erb 并 <%= render '/layouts/nav' %> 到 app/views/layouts/application.html.erb

---

gst
git add -A
git commit -m"Added Twitter Bootstrap via SASS gem. Also implemented global navigation bar!"
git push

---

在 app/views/layouts/application.html.erb 中 把 <%= yield %> 添加进 <div class="container"> 中
利用 Bootstrap 制作 app/views/pages/home.html.erb 和 profile.html.erb
完善 app/views/layouts/_nav.html.erb 中的 /home 和 /profile 链接

---

gst
git add -A
git commit -m"Added grid system, created container for holding grid. Organized home and profile pages."
git push

---

gem 'devise'
bundle
rails g devise:install
在其他文件中添加 devise 的相关 代码
rails g devise:views
rails g devise User
rake db:migrate
rails s
进入 localhost:3000/users/sign_in
rails c
@u = User.find_by_id(1)

---

设置 guest 和 user 显示的不同首页
设置 guest 和 user 显示的不同 下拉菜单页面

---

gst
git add -A
git commit -m"Modified navigation bar. Navigation bar split into to erb partials, one for users, one for guests."
git push

---

rails c
@testUser = User.find_by_id(1)
exit
rails g migration AddUsernameToUsers
编写 AddUsernameToUser 中 的 内容
rake db:migrate
完善 app/controllers/pages_controller.rb 中 def profile
修改 layouts/_nav_user.html.erb 中 <%= current_user.username %>
修改 views/pages/profile.html.erb 中 <%= @username %>
修改 routes 中 get '/user/:id' => 'pages#profile'

---

gst
git add -A
git commit -m"Added username column, user profile pages, and username sign-up form."
git push

---

rails g model Post content:text user:references
在 db 文件中 def change ? end 中 编写 add_index :posts, [:user_id, :created_at]
rake db:migrate

---

在 app/models/post.rb 中 添加 validates :user_id 和 :content 和 default_scope
在 app/models/user.rb 中 添加 has_many :posts

---

编写设计 views/pages/4个页面
编写 components/_post_form.html.erb 页面
rails g controller Posts
编写

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补充关系模型

rails generate model Relationship follower_id:integer followed_id:integer
db/migrate/[timestamp]_create_relationships.rb 中 添加索引
rake db:migrate

---

app/models/user.rb 中 实现“主动关系”中的 has_many 关联 has_many :active_relationships
app/models/relationship.rb 中 在“关系”模型中添加 belongs_to 2 个 关联

---

app/models/relationship.rb 在“关系”模型中添加验证 validates

---

app/models/user.rb 在用户模型中添加 following 关联 has_many :following + 参数
app/models/user.rb 定义关注用户相关的几个辅助方法 GREEN
app/models/user.rb 使用“被动关系”实现 user.followers has_many :followers + 参数

---

db/seeds.rb 在种子数据中添加“关系”相关的数据
rake db:migrate:reset
rake db:seed

---

config/routes.rb 在用户控制器中添加 following 和 followers 两个动作
在首页显示数量统计
scss
config/routes.rb 添加“关系”资源的路由设置
在用户资料页面加入关注表单和数量统计

---

app/controllers/users_controller.rb 中 following 和 followers 动作 的 before_action
views

---

rails generate controller Relationships
relationships_controller.rb 的访问限制 before_action :logged_in_user
RelationshipsController 的代码 def create 和 def destroy

---

使用 Ajax 处理关注用户的表单 app/views/users/_follow.html.erb
使用 Ajax 处理取消关注用户的表单 app/views/users/_unfollow.html.erb
在 RelationshipsController 中响应 Ajax 请求 app/controllers/relationships_controller.rb

---

初步实现的动态流 GREEN app/models/user.rb 中 def feed ?? end
在获取动态流的 where 方法中使用键值对 GREEN app/models/user.rb
home 动作中分页显示的动态流

精缩版

rails new flutter
rails g controller Pages index home profile explore
gem 'bootstrap-sass', '~> 3.3.5'
bundle

---

gem 'devise'
bundle
rails g devise:install
rails g devise:views
rails g devise User

---

rails g migration AddUsernameToUsers
rake db:migrate

---

rails g model Post content:text user:references
rake db:migrate
rails g controller Posts

---

rails generate model Relationship follower_id:integer followed_id:integer
rake db:migrate

---

rake db:migrate:reset
rake db:seed

---

rails generate controller Relationships