Points of View

at Object Design Rough Talks #1

https://gum.co/jspsc

Transcript

1. Points of View
   @rosylilly
   

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2. What’s this?
   

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4. VS
   

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5. What’s this?
   

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8. wow!!
   

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9. What’s this?
   

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11. Points of View
    @rosylilly
    

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12. @rosylilly
    CTO / Magnet
    

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13. 1. Modeling
    

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14. If it walks like a duck
    and quacks like a duck,
    it must be a duck
    

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15. QUACK!!!!
    Duck?
    

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16. Duck
    Pigeon
    Border
    Coo Coo Coo Coo
    Quack Quack Quack
    

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17. Duck
    Pigeon
    If it walks like a ***
    and flies like a ***,
    it must be a ***
    

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18. Bird
    

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19. If it be born like a ***
    and dies like a ***,
    it must be a ***
    

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20. Living
    Thing
    T h e A n y t h i n g G o e s
    

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21. Let’s seek just the right border
    Coo Coo Coo Coo
    Flies
    Walks
    Eats
    Runs
    Dies
    Be Born
    Pigeon
    

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22. 2. Viewpoint
    

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23. Who are your users?
    

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24. Click Me
    What happens?
    

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25. Transfer Money
    Show Logs
    Show Amounts
    

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26. Transfer Money
    Show Logs
    Show Amounts
    SCARY!!!!
    

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27. Developer User
    

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28. Communication
    

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29. Observation
    

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30. Newbie
    

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31. ProTips: Marriage
    

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32. Third Person
    

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33. First Person
    

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34. 3. Interaction
    

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35. Anemic Domain Model ?
    

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36. Hyperemic Domain Model !
    

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37. Pigeon
    Pigeon
    

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38. Seller
    Buyer
    

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39. Giver
    Receiver
    

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40. Speaker
    Listener
    

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41. User Giver
    Receiver
    Seller Buyer
    Listener Speaker
    

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42. Item Recover
    Accessory
    Weapon Protector
    Helmet Boots
    

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43. Classify and Divide
    

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44. 4. Context
    

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45. User Giver
    Receiver
    Seller Buyer
    Listener Speaker
    

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46. Seller
    Buyer
    

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47. Seller
    Buyers
    

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48. Buyer
    Sellers
    Sellers
    Sellers
    Sellers
    Sellers
    

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49. Look the borders of
    contexts
    

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50. 5. Mental Model
    

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52. (3&&
    

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54. VS
    Microsoft Apple
    

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55. VS
    Window Apple
    

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56. 6. DCI
    

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57. YOU
    ARE
    READY
    

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58. Data
    

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59. Context
    

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60. Interaction
    

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61. 7. in REAL WORLD
    

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62. WE
    ARE
    READY
    

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63. BluePrint
    IUUQTHJUIVCDPNNBHOFUJODCMVF@QSJOU
    

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64. class StaffContext < BluePrint::Context
    active_if do |env|
    current_user.try(:staff?)
    end
    end
    Context
    

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65. # app/blue_prints/staff_context/staff_user.rb
    module StaffContext::StaffUser
    extend BluePrint::Behavior
    !
    def user_name; "staff"; end
    end
    !
    # app/models/user.rb
    class User < ActiveRecord::Base
    def user_name; "#{name} san"; end
    end
    !
    user = User.new(name: "Magnet")
    StaffContext.deactivate!
    user.user_name # => "Magnet san"
    StaffContext.activate!
    user.user_name # => "staff" Interaction
    

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66. GOT AXES?
    

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