This class was all about RESTful nature of rails applications. We also practiced on nested controllers and views conventions.

1. Ruby on rails
course
By @AlSayedGamal

2. Views and
Controllers
Day 4

3. Agenda
Routing
Controllers and nested controllers
Views and template engines

4. routing (routes.rb)
General rules
root 'pages#main'
get '/patients/:id', to:
‘patients#show’
match 'photos', to: 'photos#show',
via: [:get, :post]
resources and nested resources
url_for
member and collection

5. Resutful Routes
Note: the url helper methods

6. routing(routes.rb)
get ‘:controller/:action/:id/with_user/:user_id'
Naming routes (as:)
via: [get, post or all]
constraints: { subdomain: 'admin' }
can save your life
get 'books/*section/:title', to: ‘books#show'
mount AdminApp, at: ‘/admin’
get 'こんにちは', to: 'welcome#index'

7. Controller
Actions
before_action
layout
respond_to
head and status codes
render views
redirect_to with flash

8. Controller
(Params)
Hash, Array and JSON Parameters
GET /clients?ids[]=1&ids[]=2&ids[]=3
def default_url_options
{ locale: I18n.locale }
end
Strong paramaters

9. Controller
session, flash and cookies
request object
Send_data and send_file

10. Controllers
(Request Specials)
session, flash and cookies
request object
Send_data and send_file

11. add it to Gemfile and bundle
rails g devise users
rake db:migrate
Notice the before_action filter
Tip1: check “rails g”after installation.
Tip2: check user model after generation.

12. Thanks