A talk about the future of Rails and the future of Rails developers, written for junior developers studying at RMIT.
Mentor / Author / Developer
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PARTONE
ISN’T RAILSTHE FUTURE OF RAILSAS YOU KNOW IT TODAY
A browserDatabaseBackendAppModelsRails AppIn the past…
A browserJS AppDatabaseFrontendAppBackendAppModelsRails AppNow…
COMMUNICATIONA browserJS AppModelsDatabaseRails App???
A browserJS AppModelsDatabaseRails AppREST + JSON API/api/posts/api/comments…Currently…JSON APIs
GET /api/posts/1{"id": 1,"title": "Hello World","body": "This is my blog's first post.""author": "Ryan Bigg"}JSON APIs
GET /api/posts/1/comments[{text: "Great first post!",by: "Totally not Ryan"},...]JSON APIs
A browserJS AppModelsDatabaseRails AppREST + JSON API/api/posts/api/comments…Currently…JSON APIsNeed to build lots of these…
EVERYONEDOES THIS
EVENFACEBOOK
Well…they did
A browserJS AppModelsDatabaseRails App/graphqlNow…GRAPHQLOnly one endpoint(born 2012)
POST /graphqlquery postQuery {post(id: 1) {idtitlebodyauthorcomments {textby}}}{"data": {"post": {"id": 1,"title": "Hello World","body": "First post!”,"author": "Ryan Bigg","comments": [{text: "Great first post!",by: "Totally not Ryan"},...]}}}Query ResponseGRAPHQL
POST /graphqlquery postQuery {post(id: 1) {idtitlebodyauthorcomments {textby}}}{"data": {"post": {"id": 1,"title": "Hello World","author": "Ryan Bigg","comments": [{text: "Great first post!",by: "Totally not Ryan"},...]}}}Query ResponseGRAPHQL
POST /graphqlquery commentQuery {comment(id: 1) {textuser}}{"data": {“comment”: {text: "Great first post!",user: "Totally not Ryan”}}}Query ResponseGRAPHQL
GRAPHQLIS THE FUTURE
GRAPHQLIS THE FUTURE(or at least, it seems like it)
THE FUTURE OF RAILSFrontend + Backend appstalking overGraphQL
ENDPARTONE
PARTTWO
RAILSIS ALWAYS CHANGING
Then… Now…
THE NEWSHINYIS ALWAYS CHANGING
JSON GRAPHQLAPIs APIs
RAILSIS JUST A TOOL
APIsARE A CONCEPT
THERE AREINFINITYTHINGS TO LEARN
FOCUS ONCONCEPTS NOTTOOLS
{ name: “Ryan”, age: 30 }%{ name: “Ryan”, age: 30 }RubyElixir
h = { name: “Ryan” }if h.has_key?(:name)puts “Name: #{h[:name]}”elseputs “name is not present”endRubyElixirfn%{name: name} -> IO.puts(“name: #{name}”)_ -> IO.puts(“name is not present”)end
CONCEPTS SPANTOOLS
What is a funcFon?
How dopages load?
/graphql isreturning an HTTP500 status codeWhy?
The appstoppedresponding.
CPU usage is high.Can you find out why?
What is“clean code”?
Is this“clean code”?
What do otherdevelopers consider“best pracFce”?
Follow the code.
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ENDPARTTWO
✉: [email protected]Thanks!: @ryanbigg▶: h?p://bit.ly/radar-for
h?ps://developer.github.com/v3/API ExamplesREST + JSONh?ps://developer.github.com/v4/GRAPHQL
h?ps://www.howtographql.com/Learn these:GraphQLh?ps://reactjs.org/tutorial/tutorial.htmlReact
h?ps://www.sandimetz.com/99bo?les/Read these:99 BOTTLESh?ps://www.poodr.comPRACTICAL OBJECT-ORIENTED DESIGN IN RUBY
h?ps://joyofelixir.comLearn Elixir from scratch!
h?ps://speakerdeck.com/radar/exploding-railsh?ps://leanpub.com/exploding-railsExploding Railsh?ps://github.com/radar/twist-v2MY EXAMPLE APPLICATION
radar
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