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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>reveal.js</title>
<link rel="stylesheet" href="css/reveal.css">
<style>
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<div class="theme-font-opensans theme-color-grey-blue" style="width: 100%; height: 100%;">
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<div class="slides">
<section class="stack">
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 81px; top: 250px; height: auto;">
<div class="sl-block-content" style="z-index: 11;">
<h1>Beautiful API with GraphQL</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 270px; height: auto;">
<div class="sl-block-content">
<h1>About me</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 117px; height: auto;">
<div class="sl-block-content" style="z-index: 11;">
<h1>A bit of history</h1>
<p> </p>
</div>
</div>
<div class="sl-block" data-block-type="image" style="min-width: 30px; min-height: 30px; width: 360px; height: 360px; left: 308px; top: 240px;">
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</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 233px; height: auto;">
<div class="sl-block-content">
<h1>What's wrong with REST?</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 327px; height: 53px; left: 77px; top: 87px;">
<div class="sl-block-content fragment" style="z-index: 11;" data-highlight-theme="zenburn" data-fragment-index="0">
<pre><code>GET /api/v1/products
GET /api/v2/products
</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 157px; left: 84px; top: 31px;">
<div class="sl-block-content" style="z-index: 12;">
<p>Versioning</p>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 560px; height: 40px; left: 80px; top: 240px;">
<div class="sl-block-content fragment" style="z-index: 13;" data-fragment-index="2">
<pre class="armasm">
<code>GET /users/?name=Homer|Marge&limit=10&offset=20</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 381px; left: 80px; top: 171px;">
<div class="sl-block-content fragment" style="z-index: 14;" data-fragment-index="1">
<p>Poor get query capabilities</p>
</div>
</div>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 546px; left: 80px; top: 311px;">
<div class="sl-block-content fragment" style="z-index: 15;" data-fragment-index="3">
<p>Easy to introduce complicated queries</p>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 716px; height: 48px; left: 77px; top: 372px;">
<div class="sl-block-content fragment" style="z-index: 16;" data-fragment-index="4">
<pre class="armasm">
<code>GET /user/2/products?active=true&include=selling_history,rating</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 283px; left: 70px; top: 451px;">
<div class="sl-block-content fragment" style="z-index: 17;" data-fragment-index="5">
<p>Custom endpoints</p>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 546px; height: 96px; left: 80px; top: 519px;">
<div class="sl-block-content fragment" style="z-index: 18;" data-fragment-index="6">
<pre class="armasm">
<code>/user_with_billing_info
/simple_user
/user_with_images
/user_tightly_coupled_with_all_the_data_v2_bla_bla</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="image" style="min-width: 30px; min-height: 30px; width: 521.368px; height: 366px; left: 220px; top: 167px;">
<div class="sl-block-content" style="z-index: 11;">
<img style="" data-natural-width="500" data-natural-height="351" data-src="https://s3.amazonaws.com/media-p.slid.es/uploads/594883/images/3127614/api_change.jpg"/>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="image" style="min-width: 30px; min-height: 30px; width: 430px; height: 430px; left: 278px; top: 140px;">
<div class="sl-block-content" style="z-index: 12;">
<img data-natural-width="465" data-natural-height="465" style="" data-src="https://s3.amazonaws.com/media-p.slid.es/uploads/594883/images/3127476/catch_all.jpg"/>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 286px; height: 112px; left: 44px; top: 329px;">
<div class="sl-block-content fragment" style="z-index: 11;" data-highlight-theme="zenburn" data-fragment-index="0">
<pre class="armasm">
<code>{
me {
name
}
}</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 500px; height: 210px; left: 433px; top: 280px;">
<div class="sl-block-content fragment" style="z-index: 12;" data-fragment-index="1">
<pre class="armasm">
<code>{
"data": {
"me": {
"name": "Ash Ketchum"
}
}
}</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 600px; left: 180px; top: 49px;">
<div class="sl-block-content" style="z-index: 13;">
<h1>Hello world</h1>
<p> </p>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 253px; height: auto;">
<div class="sl-block-content" style="z-index: 10;">
<h1>Let's jump into GraphQL IDE</h1>
</div>
</div>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 600px; left: 180px; top: 471px;">
<div class="sl-block-content" style="z-index: 12;">
<p>(just for a second, please...)</p>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 600px; left: 180px; top: 70px;">
<div class="sl-block-content" style="z-index: 11;">
<h2>Mental model</h2>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 305px; height: 300px; left: 28px; top: 210px;">
<div class="sl-block-content fragment" style="z-index: 12;" data-fragment-index="0">
<pre class="armasm">
<code>{
me {
name
number_of_pokeballs
description
pokemons {
name
location
level
skills {
attack: name
}
}
}
}</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 522px; height: 435px; left: 400px; top: 210px;">
<div class="sl-block-content fragment" style="z-index: 13;" data-fragment-index="1">
<pre class="armasm">
<code>{
"data": {
"me": {
"name": "Ash Ketchum",
"number_of_pokeballs": 0,
"description": "I have my own tv series so I must be good",
"pokemons": [
{
"name": "Pikachu",
"location": "Lilycove City",
"level": 100,
"skills": [
{
"attack": "thunder_bolt"
}
]
}
]
}
}
}</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 43px; height: auto;">
<div class="sl-block-content" style="z-index: 10;">
<h1>Fragments</h1>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 701px; height: 228px; left: 130px; top: 210px;">
<div class="sl-block-content" style="z-index: 12; font-size: 200%;">
<pre class="armasm">
<code>fragment pokemonFields on Pokemon {
name
location
level
}
</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 560px; height: 350px; left: 200px; top: 140px;">
<div class="sl-block-content" style="z-index: 11; font-size: 125%;">
<pre class="armasm">
<code>{
me {
name
number_of_pokeballs
description
pokemons {
...pokemonFields
skills {
attack: name
}
}
}
}</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 270px; height: auto;">
<div class="sl-block-content">
<h1>Introspection</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 362px; height: 258px; left: 38px; top: 243px;">
<div class="sl-block-content" style="z-index: 11;">
<pre class="armasm">
<code>{
__type(name: "Pokemon") {
name
fields {
name
type {
name
kind
}
}
}
}</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 500px; height: 641px; left: 441px; top: 30px;">
<div class="sl-block-content fragment" style="z-index: 12; font-size: 70%;" data-fragment-index="0">
<pre class="armasm">
<code>{
"data": {
"__type": {
"name": "Pokemon",
"fields": [
{
"name": "id",
"type": {
"name": "ID",
"kind": "SCALAR"
}
},
{
"name": "level",
"type": {
"name": "Int",
"kind": "SCALAR"
}
},
{
"name": "location",
"type": {
"name": "String",
"kind": "SCALAR"
}
},
{
"name": "name",
"type": {
"name": "String",
"kind": "SCALAR"
}
},
{
"name": "skills",
"type": {
"name": "List",
"kind": "LIST"
}
},
{
"name": "trainer",
"type": {
"name": "Trainer",
"kind": "OBJECT"
}
}
]
}
}
}</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 270px; height: auto;">
<div class="sl-block-content">
<h1>Not just read only</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="height: auto; min-width: 30px; min-height: 30px; width: 600px; left: 186px; top: 66px;">
<div class="sl-block-content" style="z-index: 11;">
<h2>Mutations</h2>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 672px; height: 220px; left: 150px; top: 200px;">
<div class="sl-block-content" style="z-index: 12;">
<pre class="armasm">
<code>mutation {
create_trainer(name: "Gary Oak", description: "Ash nemesis") {
id
name
}
}</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 183px; height: auto;">
<div class="sl-block-content">
<h1>Graphql-ruby</h1>
</div>
</div>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 287px; height: auto;">
<div class="sl-block-content">
<h3>github.com/rmosolgo/graphql-ruby</h3>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 806px; height: 350px; left: 77px; top: 140px;">
<div class="sl-block-content" style="z-index: 11;">
<pre class="ruby">
<code>class GraphqlController < ApplicationController
protect_from_forgery with: :null_session
def create
schema = GraphQL::Schema.new(query: QueryType, mutation: MutationRoot)
result = schema.execute(params[:query])
render json: result
end
end
</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 737px; height: 490px; left: 143px; top: 140px;">
<div class="sl-block-content" style="z-index: 11;">
<pre class="ruby">
<code>QueryType = GraphQL::ObjectType.define do
name "Query"
description "The query root of this schema. See available queries."
field :me do
type TrainerType
description 'Who am I?'
resolve -> (obj, args, ctx) {
Trainer.first
}
end
field :pokemon do
type PokemonType
argument :id, !types.ID
description 'Find pokemon by ID'
resolve -> (obj, args, ctx) {
Pokemon.find(args['id'])
}
end
end
</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 737px; height: 355px; left: 112px; top: 135px;">
<div class="sl-block-content" style="z-index: 11;">
<pre class="ruby">
<code>PokemonType = GraphQL::ObjectType.define do
name "Pokemon"
description "A single pokemon with trainer, skills, location, name"
# Expose fields associated with Pokemon model
field :id, types.ID, "This id of this pokemon"
field :name, types.String, "The name of this pokemon"
field :level, types.Int, 'Level of pokemon'
field :location, types.String, "Location of pokemon"
field :skills, SkillType.to_list_type, "Skills owned by this pokemon"
field :trainer, TrainerType, "Owner of this pokemon"
end</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 70px; height: auto;">
<div class="sl-block-content" style="z-index: 11;">
<h2>Mutations are the same</h2>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 794px; height: 443px; left: 83px; top: 187px;">
<div class="sl-block-content" style="z-index: 12;">
<pre class="ruby">
<code> MutationRoot = GraphQL::ObjectType.define do
name "MutationRoot"
description "mutate your data root"
field :create_trainer do
type TrainerType
description "Create new trainer"
argument :name, types.String
argument :description, types.String
resolve -> (obj, inputs, context) {
Trainer.create(name: inputs["name"], description: inputs["description"])
}
end
end
</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="image" style="min-width: 30px; min-height: 30px; width: 493.961px; height: 409px; left: 233px; top: 163px;">
<div class="sl-block-content" style="z-index: 12;">
<img data-natural-width="500" data-natural-height="414" style="" data-src="https://s3.amazonaws.com/media-p.slid.es/uploads/594883/images/3127978/bright_future.jpg"/>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 59px; height: auto;">
<div class="sl-block-content" style="z-index: 11;">
<h1>Defer </h1>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 295px; height: 300px; left: 35px; top: 210px;">
<div class="sl-block-content fragment" style="z-index: 12;" data-fragment-index="0">
<pre class="armasm">
<code>{
feed {
stories {
author { name }
message
comments @defer {
author { name }
message
}
}
}
}</code></pre>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 500px; height: 384px; left: 420px; top: 168px;">
<div class="sl-block-content fragment" style="z-index: 13;" data-fragment-index="1">
<pre class="armasm">
<code>{
"data": {
"stories": [
{
"author": { "name": "Lee Byron" },
"message": "GraphQL so wow"
},
{
"author": { "name": "Dan Schafer" },
"message": "Cool message"
}
]
}
}</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 91px; top: 43px; height: auto;">
<div class="sl-block-content" style="z-index: 10;">
<h1>Subscriptions</h1>
</div>
</div>
<div class="sl-block" data-block-type="code" style="min-width: 30px; min-height: 30px; width: 737px; height: 300px; left: 112px; top: 200px;">
<div class="sl-block-content fragment" style="z-index: 12;" data-fragment-index="0">
<pre class="armasm">
<code>subscription StoryLikeSubscription($input: StoryLikeSubscribeInput) {
storyLikeSubscribe(input: $input) {
story {
likers { count }
likeSentence { text }
}
}
}</code></pre>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="image" style="min-width: 30px; min-height: 30px; width: 410.321px; height: 375px; left: 275px; top: 163px;">
<div class="sl-block-content" style="z-index: 11;">
<img style="" data-natural-width="546" data-natural-height="499" data-src="https://s3.amazonaws.com/media-p.slid.es/uploads/594883/images/3132235/gains.jpg"/>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 270px; height: auto;">
<div class="sl-block-content">
<h1>Predictability</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 270px; height: auto;">
<div class="sl-block-content">
<h1>Efficient</h1>
</div>
</div>
</section>
<section>
<div class="sl-block" data-block-type="text" style="width: 800px; left: 80px; top: 311px; height: auto;">
<div class="sl-block-content">
<h1>Thanks!</h1>
</div>
</div>
<div class="sl-block" data-block-type="text" style="width: 434px; left: 495px; top: 594px; height: auto;">
<div class="sl-block-content">
<pre>made by Przemek Mroczek</pre>
</div>
</div>
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