Rails course day 4
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The document outlines the agenda for Day 4 of a Ruby on Rails course focusing on routing, controllers, and views. It discusses general routing rules, naming routes, and controller actions, as well as providing tips for using Rails generators and managing user sessions. The content includes technical details about RESTful routes, strong parameters, and handling different types of requests.
![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](https://image.slidesharecdn.com/rails04-150918090120-lva1-app6891/85/Rails-course-day-4-4-320.jpg)
![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'](https://image.slidesharecdn.com/rails04-150918090120-lva1-app6891/85/Rails-course-day-4-6-320.jpg)
![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](https://image.slidesharecdn.com/rails04-150918090120-lva1-app6891/85/Rails-course-day-4-8-320.jpg)
Rails course day 4
- 1. Ruby on rails course By @AlSayedGamal
- 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