Rails6 New Functions

Transcript

1. Rails 6
   @kyanagimoto
   

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2. ॕ Rails 6 release
   • Date: Aug 15th 2019
   
   • ৽͍͠ίϯϙʔωϯτ Action Text / Action Mailbox
   
   • Webpackerͷ࠾༻
   
   • ෳ਺DB઀ଓɺฒྻςετ࣮ߦ(TDD is dead͔ΒͷྲྀΕ)
   
   • > 2.5
   
   https://railsguides.jp/6_0_release_notes.html
   

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3. Action Text
   • WYSIWYG (΢Οδ΢Οά, What You See
   Is What You Getͷུͩͬͯ) EditorͷTrixΛ
   ؆୯ʹ࢖͑ΔΑɻ
   
   • ActiveStorageΛEditorͰೖྗͨ͠FileΛอ
   ଘ͢Δҝʹར༻͍ͯ͠Δɻ

   WYSIWYG Editor಺ʹFileΛૠೖͨ࣌͠͸
   ActiveStorageʹDirectUpload͞ΕΔ໛
   ༷ɻ
   

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4. Action Mailbox
   • Mailͷड৴ॲཧͷͨΊͷίϯϙʔωϯτ

   * ActionMailer: MailΛRubyͰ࢖͏ͨΊObjectʹม׵͢ΔͨΊ

   Cloudͷϝʔϧॲཧ΍อଘ͸ࣗલͰ΍Δඞཁ͋ͬͨɻ
   
   • ActiveStorageʹMailΛอଘɺAction Mailbox༻ͷDB Tableඞཁ
   

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5. Webpacker
   • Rails಺ͷJavaScript Library͸npmͰެ։͞Ε͍ͯΔ΋ͷΛར༻
   
   • CoffeeScript…ɻ(Action CableͰGenerate͞ΕΔίʔυ͕มԽ)
   

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6. ෳ਺DB઀ଓ
   • config/database.yaml
 • app/models/hoge.rb
   
   • config/environments

   Sample: 

   https://github.com/
   effectiveDevOps/devops_meter/
   blob/master/config/environments/
   production.rb#L109
   

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7. Parallelize test
   • github.com/rspec/rspec-rails/issues/2104

   rspecͷରԠ͸Ͳ͏΋·ͩΈ͍ͨͳײ͡ɻ
   

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8. ͱΓ͋͑ͣɺ࡞ͬͯΈ·͠ΐ͏
   $ gem i bundler
   
   $ gem i rails
   
   # YarnΛར༻͢ΔͷͰɺInstallɹhttps://yarnpkg.com/en/docs/install
   
   $ brew install yarn
   
   $ brew install postgresql
   
   $ rails new sample -d postgresql
   

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9. # DockerͰdatabaseཱͯΔ
   
   $ brew cask install docker
   
   $ docker run --name dev-postgres -e POSTGRES_USER=nikotama -e
   POSTGRES_PASSWORD=postgres -p 15432:5432 -d postgres:11
   
   # ֬ೝ
   
   $ docker container exec -it dev-postgres bash
   
   $$ psql -U nikotama
   
   $$ \l #database Ұཡ
   

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10. $ vi config/database.yml
    
    ## developmentͷusername, password, host, portΛมߋɻ
    
    $ rake db:create
    
    $ bundle exec rails action_text:install
    
    $ bundle exec rails action_mailbox:install
    
    $ bundle exec rails db:migrate
    

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11. # Edit Gemfile

    $ vi Gemfile

    ## image_processingͷίϝϯτΞ΢τΛ֎͢
    
    $ bundle install
    
    $ bundle exec rails generate scaffold post title:string body:rich_text
    
    $ bundle exec rake db:migrate
    

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12. $ bundle exec rails s
    
    # Another pane

    $ bin/webpack-dev-server
    
    # Access to http://localhost:3000/posts
    
    # WYSIWYG Editorग़ݱɻ
    

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13. $ docker container exec -it dev-postgres bash
    
    $$ psql -U nikotama
    
    $$$ \l

    $$$ \c sample_app_development

    $$$ \d

    $$$ select * from posts;

    $$$ select * from action_text_rich_texts;

    $$$ select * from active_storage_attachments;

    $$$ select * from active_storage_blobs;
    
    $ tree ./storage/
    

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