7 #Rails

http://railstutorial.jp/

Rails

by YassLab

Slideshare

http://www.slideshare.net/yasulab/presentations

Cloud9

1. 2. URL 3.

https://ide.c9.io/yasulab/rails-tutorial

https://rails-tutorial-yasulab.c9users.io/

URL “Collaborate” → “Group Chat”

! :)

Ready?

!

7 #Rails

http://railstutorial.jp/

Rails

by YassLab

1. cf. rails generate model Users name:string email:string

2. ? ?

3. has_secure_passoword

Model-View-Controller (MVC)

Router

Controller

View

Model

DatabaseReq.

HTML

3

5

6

4

Model-View-Controller (MVC)

Router

Controller

View

Model

DatabaseReq.

HTML

7

Rails Web Application (API)User.create

POST/users

GET/users/1

PATCH/users/1

DELETE/user/1

User.find(1) User.find(1).update_attributes

User.find(1).destroy

HTTP Req. (GET)

7 108~9

1. / /

2. / form_for

3. Strong Parameters /

4. / flash

7 7.1

http://railstutorial.jp/

Rails

by YassLab

1.

2. debugger (byebug gem)

3. Users routes

4. show

5.

6. Gravatar

7.1

1. debugger

2. Rails debugger ( : GET /users/1 )

3. debugger

byebug gem

byebug

help

list 10 10

list- 10 10

list= debugger

backtrace ( )

up / down /

edit

byebug

thread listthread switch /

next debugger (method )

step debugger (step )

var localvar global

display

quit (Rails )

Ctrl-D byebug (Rails )

Users RESTful URL

7 7.2

http://railstutorial.jp/

Rails

by YassLab

✨

1. form_for

2. form_for HTML

7.2

7 7.3

http://railstutorial.jp/

Rails

by YassLab

7.3

1. create

2. Rails

3. Strong Parameters

4.

5.

6. assert_no_difference

7.3

7 7.4

http://railstutorial.jp/

Rails

by YassLab

7.3

1. show

2. flash

3. DB $ rails db:migrate:reset

4. rails console DB

5. Test→Merge→Push Heroku 🚀 $ heroku run rake db:migrate !

7.4

7 7.5

http://railstutorial.jp/

Rails

by YassLab

1. SSL ( herokuapp.com SSL ) config/environments/production.rb

2. Web (Puma) puma gem config/puma.rb Profile Puma

3. Heroku !

7.5

!

⚠

1. / /

2. / form_for

3. Strong Parameters /

4. / flash

7 98~9

Rails http://railsguides.jp/debugging_rails_applications.html

Action Controller http://railsguides.jp/action_controller_overview.html

Action View http://railsguides.jp/form_helpers.html

• :)

• : http://railstutorial.jp/seminars

• :) ,

.

• , .

7 #Rails

http://railstutorial.jp/

Rails

by YassLab