Build your Chatbots like Rails Apps

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Build Your RailsApps like CHATBOTS

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A Brief In tr o CHATBOTS

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A COMPUTER PROGRAM DESIGNED TO SIMULATE A CONVERSATION WITH HUMAN USERS CHATBOT

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USER PLATFORM APP OPS CHANNEL /HELP { CHANNEL: ‘C1234’, USER: ‘U8324’, TEAM: ‘T4390’, MESSAGE: ‘/HELP’ } CHAT.POST_MESSAGE(‘HERE IS THE HELP YOU REQUESTED:’) OPS CHANNEL HERE IS THE HELP YOU REQUESTED:

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USER PLATFORM APP CLIENT SERVER

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J os eph WEIZENBAUM

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J os eph WEIZENBAUM

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ELIZA

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SIRI 2 0 0 7

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2 0 0 1

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RADIOHEAD IS ALWAYS AHEAD OF THEIR TIME™

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imp or tant? CHATBOTS Why are

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FAMILIAR

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FAMILIAR

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FAMILIAR LESS BARRIERS

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MESSAGES SLACK TEAMS FACEBOOK

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BE WHERE YOUR USERS ARE

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PLATFORM SPECIFIC FUN STUFF BUSINESS STUFF

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MO’ MONEY

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FUN DEV CODE RUN BEEP-BOOP

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built today? CHATBOTS How are

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HOW SLACK WORKS A P P D I R E C T O R Y

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HOW SLACK WORKS O A U T H W / S L A C K

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HOW SLACK WORKS S C O P E R E Q U E S T

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HOW SLACK WORKS N E W B O T U S E R !

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USER PLATFORM APP OPS CHANNEL /HELP { CHANNEL: ‘C1234’, USER: ‘U8324’, TEAM: ‘T4390’, MESSAGE: ‘/HELP’ } HOW SLACK WORKS

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JAVASCRIPT LIBRARIES

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JAVASCRIPT LIBRARIES

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be improved? CHATBOTS How can building

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MOUNTING MIDDLEWARE CONTEXT ROUTER CONTROLLER TEMPLATES

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MOUNTING > LISTEN TO SPECIFIC ENDPOINTS > INTEGRATE INTO EXISTING APP

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MOUNTING

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MOUNTING

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ROUTER > DSL TO DEFINE ROUTES > FIND APPROPRIATE ROUTE > MIDDLEWARE

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ROUTER D E F I N I N G R O U T E S

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ROUTER C O N F I G U R E A P P

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ROUTER

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ROUTER C O N F I G U R E A P P

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ROUTER D E F I N E C O N F I G U R AT I O N

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ROUTER

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ROUTER D E F I N E C O N F I G U R AT I O N

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ROUTER

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ROUTER D E F I N E C O N F I G U R AT I O N

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ROUTER D E F I N E P L AT F O R M R O U T E R

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ROUTER

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ROUTER D E F I N E P L AT F O R M R O U T E R

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ROUTER D E F I N E S L A C K R O U T E R

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ROUTER

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ROUTER D E F I N E S L A C K R O U T E R

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ROUTER D E F I N E S L A C K A C T I O N R O U T E

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ROUTER

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ROUTER D E F I N E S L A C K A C T I O N R O U T E

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ROUTER Finding routes F I N D I N G R O U T E S

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ROUTER

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ROUTER F I N D I N G R O U T E S

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ROUTER F I N D I N G R O U T E S

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ROUTER F I N D I N G R O U T E S

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ROUTER Finding routes F I N D I N G R O U T E S

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ROUTER M I D D L E W A R E

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MIDDLEWARE > CHAIN RESPONSIBILITIES TOGETHER > EXTENSION POINTS > MODIFY CONTEXT > COMMON RUNTIME ON EACH REQUEST

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MIDDLEWARE D E F I N I N G M I D D L E W A R E

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MIDDLEWARE M I D D L E W A R E A P I

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MIDDLEWARE C H A I N M I D D L E W A R E

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MIDDLEWARE C H A I N M I D D L E W A R E

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CONTEXT > VARIABLES FOR USE IN CONTROLLER > ONLY UPDATED IN MIDDLEWARE

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CONTEXT

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CONTROLLER > ACTION PER REQUEST > PREPARE RESPONSE(S)

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CONTROLLER E X A M P L E

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TEMPLATES > PLATFORM INDEPENDENT > SENT BACK AS A RESPONSE > INTERLACE DATA

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TEMPLATES E X A M P L E

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like Rails Apps CHATBOTS The tr adeo ff s on building

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ROUTING A NICE BLACK BOX YOUR APP ROUTER CONTROLLERS TEMPLATES AUTHORIZATION LOW-LEVEL API PLATFORM LIBRARIES HIDE THE PLUMBING

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FAMILIAR PATTERN MODEL VIEW CONTROLLER USER SEES USES MANIPULATES UPDATES

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EVERYTHING HAS A PLACE VIEWS CONTROLLERS MODELS ROUTES > BUSINESS LOGIC > HANDLES PLATFORM REQUESTS > RUNS MIDDLEWARE > PASSES CONTEXT > CREATES CONTROLLER > RUNS ACTION > HANDLES REQUEST > PREPARES RESPONSE > RENDERS RESPONSE(S) > RETRIEVE DATA > UPDATE DATA > INTEGRATES DATA > PROVIDES RESPONSE

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EXTENSION POINTS USER REQUEST PLATFORM APP ROUTER FINDS ROUTE MIDDLEWARE IS RUN CONTROLLER IS CREATED ACTION IS CALLED TEMPLATE IS RENDERED RESPONSE IS SENT USER RESPONSE

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OVERKILL FOR SIMPLE BROADCAST PLATFORM GITHUB > CHAT.POSTMESSAGE

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HARDER TO DEBUG > NOMETHODERROR: UNDEFINED METHOD `SHOW’ FOR NIL:NILCLASS > /.GEM/RUBY/3.1.0/GEMS/STRIPE-5.48.0/LIB/STRIPE/WEBHOOK.RB:104:IN `VERIFY_HEADER > /.GEM/RUBY/3.1.0/GEMS/JOURNEY-0.6.2/LIB/JOURNEY/CONTROLLER.RB:6:IN `SEND_ACTION' > /.GEM/RUBY/3.1.0/GEMS/JOURNEY-0.6.2/LIB/JOURNEY/ROUTER:34:IN `FIND_ROUTE’ > … > … > … > … > … > … > … C A L L S T A C K

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Future ENHANCEMENTS

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DIALOGUE

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DIALOGUE TATSUIO/DIALOGUE

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RANDOM ACCESS MEMORY USER CAN YOU SCHEDULE A MEETING? APP I SURE CAN. WITH WHOM? USER WITH TIM. APP GOT IT. WHEN? USER TOMORROW AT 2. APP DONE. I SCHEDULED A MEETING WITH TIM TOMORROW AT 2.

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RANDOM ACCESS MEMORY CAN YOU SCHEDULE A MEETING? USER CAN YOU SCHEDULE A MEETING WITH TIM TOMORROW AT 2? APP DONE. I SCHEDULED YOUR MEETING WITH TIM FOR TOMORROW AT 2. CAN YOU SCHEDULE A MEETING? USER ACTUALLY CAN YOU MAKE IT FOR 3? APP DONE. I RE-SCHEDULED IT FOR TOMORROW AT 3.

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RANDOM ACCESS MEMORY DETECT PARAMETERS ALLOW CHANGE

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DISCOVERABILITY T R A I N I N G W H E E L S ARE YOU READY FOR THE MEETING? YOU CAN REPLY WITH ‘Y’ES OR ’N’O. APP USER YES. MEETING SCHEDULED! DID YOU KNOW YOU CAN REQUEST A RESCHEDULE BY REPLYING ‘RE-SCHEDULE’? APP

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VALIDATION ANDY WANTS TO MEET WITH YOU TODAY AT 2. APP ARE YOU AVAILABLE? USER BLERG.

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VALIDATION I’M SORRY ‘BLERG’ IS NOT AN ANSWER. APP ACKNOWLEDGE THE RESPONSE 1. YOU CAN RESPOND ‘YES’ OR ‘NO’ APP PROVIDE CORRECT OPTIONS 2. ANDY WANTS TO MEET WITH YOU TODAY AT 2. APP ARE YOU AVAILABLE? RE-ASK THE QUESTION 3.

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SELECTION WHERE DO YOU WANT TO MEET MACKENZIE TONIGHT? APP USER 1. 1. COFFEE SHOP 2. RESTAURANT 3. BAR APP O P T I O N R E D U C T I O N

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SELECTION OK. WHICH COFFEE SHOP? APP O P T I O N R E D U C T I O N 1. CAFE JOE’S 2. STARBUCKS ON MAIN 3. PERKATORY APP

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RESPONSE SAMPLING YES APP OK APP CORRECT APP WRONG APP NOPE APP LOOKS GOOD APP 👍 APP ✌ APP THAT’S WHAT SHE SAID APP COOL APP