Rails API

Basics of creating an API=only server with Rails with AngularJS in the frontend. Code: https://github.com/sayanee/Talks/tree/master/013-rails-api

Transcript

1. Rails API
   ruby meetup 29 apr 2014
   

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2. api only
   version
   json
   cors
   auth
   mock server
   testing
   

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3. backend frontend
   logic view
   rails angular
   puma nginx
   localhost:3000 localhost:8888
   domainapi.com domain.com
   

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4. api only
   

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5. api only
   simpler Gemfile
   remove /app/views folder
   

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6. api only
   /app/controllers/application_controller.rb
   

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7. api only
   /app/controllers/pages_controller.rb
   /config/routes.rb
   

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8. api only demo
   git checkout step1
   

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9. version
   

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10. version
    /app/controllers/api/v1/api_controller.rb
    /app/controllers/api/v1/meetups_controller.rb
    

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11. version
    /config/routes.rb
    $ rails g model Meetup name:string event:datetime
    $ rake db:migrate
    $ rails c
    > Meetup.create(name: 'April meetup', event: Time.now)
    

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12. version demo
    git checkout step2
    

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13. json
    gem ‘active_model_serializers'
    rails g serializer meetup
    

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14. json
    /app/serializers/meetup_serializer.rb
    

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15. json
    /app/controllers/api/v1/meetups_controller.rb
    

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16. json demo
    git checkout step3
    

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17. cors
    

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18. cors frontend
    markup to display data
    

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19. cors frontend
    script to query api
    

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20. cors
    gem ‘rack-cors'
    

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21. cors
    /config/application.rb
    

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22. auth
    

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23. auth
    /db/migrate/xxx_add_auth_token_to_users.rb
    /app/models/user.rb
    

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24. auth
    /app/controllers/registrations_controller.rb
    backend - token sent as part of headers
    

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25. auth
    javascript
    frontend - token received and stored
    

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26. auth demo
    token stored in local storage
    

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27. auth
    /app/controllers/api/v1/meetups_controller.rb
    check token before every api request
    

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28. auth
    /app/controllers/api/v1/api_controller.rb
    

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29. auth demo
    git checkout step5
    

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30. mock server
    

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31. mock server
    /mock_server/server.rb
    with sinatra - start a mock server
    

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32. mock server
    /config/secrets.yml
    /app/controllers/api/v1/questions_controller.rb
    using mock server in test & dev environments
    

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33. mock server demo
    git checkout step6
    

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34. testing
    

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35. testing
    /spec/controllers/meetups_controller_spec.rb
    test for json response
    

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36. testing demo
    git checkout step7
    

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37. other resources
    demo code: github.com/
    sayanee/talks/013-rails-api
    

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