ReactNativeGraphql/index.html at master · agiletechvn/ReactNativeGraphql · GitHub

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<!doctype html>
<html lang="en">

	<head>
		<meta charset="utf-8">

		<title>GraphQL with Sangria</title>

		<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
		<meta name="author" content="Thanh Tu">

		<meta name="apple-mobile-web-app-capable" content="yes" />
		<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />

		<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">

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	</head>

	<body>
    <div id="credit" style="display: none"></div>

		<div class="reveal">

			<!-- Any section element inside of this container is displayed as a slide -->
			<div class="slides">
				<section data-background="linear-gradient(45deg, #3A5999 0%, rgba(0,248,255,0.75) 100%)" class="first-slide">
          <img src="assets/img/graphql-white.svg" class="logo-image"/>

          <p style="text-align: center" class="title-font">
            Introduction to <strong>GraphQL</strong>
          </p>

          <p style="font-size: 70%; opacity: 0.5" class="normal-font">
            by Thanh Tu / <a href="#">tu@agiletech.vn</a>
          </p>
				</section>

        <section>
          <h2>Typical Rest API</h2>

          <img src="assets/img/rest-api.svg" style="width: 80%">
        </section>

        <section>
          <h2>Common Issues</h2>

          <ul>
            <li>
              Over-fetching

              <ul class="fragment fade-in" data-fragment-index="1">
                <li>/products?<span class="qname">field</span>=<span class="qvalue">name</span>&<span class="qname">field</span>=<span class="qvalue">description</span>&<span class="qname">field</span>=<span class="qvalue">variants[*].price</span></li>
              </ul>
            </li>
            <li class="fragment fade-in" data-fragment-index="2">
              Under-fetching

              <ul class="fragment fade-in" data-fragment-index="3">
                <li>/products?<span class="qname">expand</span>=<span class="qvalue">productType</span>&<span class="qname">expand</span>=<span class="qvalue">variants[*].price.taxRate</span></li>
              </ul>
            </li>
            <li class="fragment fade-in" data-fragment-index="4">
              API changes and evolution

              <ul class="fragment fade-in" data-fragment-index="5">
                <li>Versioning</li>
                <li>Deprecation</li>
                <li>Maintenance</li>
              </ul>
            </li>
          </ul>
        </section>

        <section>
          <h2>API Gateways</h2>

          <img src="assets/img/api-gateway.svg">
        </section>

        <section>
          <h2>GraphQL Approach</h2>

          <img src="assets/img/graphql-api.svg" style="max-width: 70%">
        </section>

        <section>
          <h2>GraphQL</h2>

          <ul>
            <li>A data query language</li>
            <li class="fragment fade-in" data-fragment-index="1">Developed by Facebook</li>
            <li class="fragment fade-in" data-fragment-index="2">Used internally since 2012</li>
            <li class="fragment fade-in" data-fragment-index="3">Open source version published in July 2015</li>
            <li class="fragment fade-in" data-fragment-index="4">Relay released in August 2015</li>
            <li class="fragment fade-in" data-fragment-index="5">Specification: <a href="https://facebook.github.io/graphql" target="_blank">https://facebook.github.io/graphql</a></li>
          </ul>
        </section>

        <section>
          <h2>Response Structure</h2>

          <pre style="float: left; width: 50%"><code data-trim contenteditable class="javascript">
query MyProduct {
  product(id: 123) {
    name
    description

    picture {
      width
      height
      url
    }
  }
}
          </code></pre>

          <pre style="float: left; width: 50%" class="fragment fade-in" data-fragment-index="1"><code data-trim contenteditable class="javascript">
{
  "data": {
    "product": {
      "name": "Delicious Cake",
      "description": "Just taste it!"

      "picture": {
        "width": 150,
        "height": 150,
        "url": "http://..."
      }
    }
  }
}
          </code></pre>
        </section>

        <section>
          <h2>Every field Is a Function</h2>

          <pre style="float: left; width: 50%"><code data-trim contenteditable class="javascript">
query MyProduct {
  products {
    picture(size: 300) {
      width, height, url
    }
  }
}
          </code></pre>

          <pre style="float: left; width: 50%" class="fragment fade-in" data-fragment-index="1"><code data-trim contenteditable class="javascript">
{
  "data": {
    "products": [
      {
        "picture": {
          "width": 300,
          "height": 300,
          "url": "http://..."
        }
      },
      ...
    ]
  }
}
          </code></pre>
        </section>

        <section>
          <h2>Aliases</h2>

          <pre style="float: left; width: 50%"><code data-trim contenteditable class="javascript">
query MyProduct {
  products {
    thumb: picture(size: 100) {
      width
    }
    fullSize: picture(size: 500) {
      width
    }
  }
}
          </code></pre>

          <pre style="float: left; width: 50%" class="fragment fade-in" data-fragment-index="1"><code data-trim contenteditable class="javascript">
{
  "data": {
    "products": [
      {
        "thumb": {
          "width": 100
        },
        "fullSize": {
          "width": 500
        }
      },
      ...
    ]
  }
}
          </code></pre>
        </section>

        <section>
          <img src="assets/img/data-requirements.svg">
        </section>

        <section>
          <h2>Type System</h2>

          <pre style="float: left; width: 60%"><code data-trim contenteditable class="javascript">
type Picture {
  width: Int!
  height: Int!
  url: String
}
          </code></pre>

          <pre style="float: left; width: 40%" class="fragment fade-in" data-fragment-index="3"><code data-trim contenteditable class="javascript">
type Query {
  product(id: Int!): Product
  products: [Product]
}
          </code></pre>

          <pre style="float: left; width: 60%" class="fragment fade-in" data-fragment-index="1"><code data-trim contenteditable class="javascript">
interface Identifiable {
  id: String!
}
          </code></pre>

          <pre style="float: left; width: 60%" class="fragment fade-in" data-fragment-index="2"><code data-trim contenteditable class="javascript">
type Product implements Identifiable {
  id: String!
  name: String!
  description: String
  picture(size: Int): Picture
}
          </code></pre>
        </section>

        <section>
          <h2>Mutations & Subscriptions</h2>

          <pre><code data-trim contenteditable class="javascript">
mutation ChangeStaff {
  changeName(productId: 123, newName: "Cheesecake") {
    id, version
  }

  setDescription(productId: 123, description: "Delicious!") {
    id, version
  }
}

subscription ProductEvents {
  nameChanged(productId: 123) { name }
  productDeleted { id }
}
          </code></pre>
        </section>

        <section>
          <h2>Demo Time</h2>
          <!-- GrpahiQL, Fragments, Introspection, docs -->
          <a href="https://github.com/agiletechvn/ReactNativeGraphql">https://github.com/agiletechvn/ReactNativeGraphql</a>

          <img src="https://github.com/agiletechvn/ReactNativeGraphql/raw/master/graphql_subscription.png"/>

        </section>

        <section>
          <h2>Backend Agnostic</h2>

          <img src="assets/img/app-layers.svg" style="width: 75%">
        </section>

        <section>
          <h2>Languages</h2>

          <div class="logos">
            <div class="impl-logo"><a href="https://github.com/graphql/graphql-js/"><img src="assets/img/js-logo.svg"></a></div>
            <div class="impl-logo"><a href="https://github.com/graphql/graphql-js/"><img src="assets/img/node-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="1"><a href="http://sangria-graphql.org/"><img src="assets/img/scala-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="1"><a href="http://sangria-graphql.org/"><img src="assets/img/sangria-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="2"><a href="https://github.com/graphql-java/graphql-java"><img src="assets/img/java-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="3"><a href="http://graphene-python.org/"><img src="assets/img/python-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="3"><a href="http://graphene-python.org/"><img src="assets/img/graphene.png"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="4"><a href="https://github.com/rmosolgo/graphql-ruby"><img src="assets/img/ruby_logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="5"><a href="https://github.com/graphql-elixir/graphql"><img src="assets/img/elixir-logo.png" ></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="6"><a href="https://github.com/jdnavarro/graphql-haskell"><img src="assets/img/haskell-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="6"><a href="https://github.com/graphql-go/graphql"><img src="assets/img/gopher.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="6"><a href="https://github.com/bjornbytes/graphql-lua"><img src="assets/img/lua-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="6"><a href="https://github.com/webonyx/graphql-php"><img src="assets/img/php_logo.png"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="6"><a href="https://github.com/graphql/libgraphqlparser"><img src="assets/img/c-logo.svg"></a></div>
            <div class="impl-logo fragment fade-in" data-fragment-index="6"><a href="https://github.com/graphql-dotnet/graphql-dotnet"><img src="assets/img/csharp-logo.png"></a></div>
          </div>

        </section>

        <section>
          <h2>Example: JavaScript</h2>

          <pre><code data-trim contenteditable class="javascript">
var ProductType = new GraphQLObjectType({
  name: "Product",
  description: "Commodity available for purchase",
  fields: {
    id: {type: GraphQLString},
    onStock: {
      type: GraphQLInt,
      resolve(product) {
        return product.onStock + 10;
      }
    }
  }
});
          </code></pre>
        </section>

        <section>
          <h2>Example: Scala</h2>

          <pre><code data-trim contenteditable class="scala">
val ProductType = ObjectType(
  "Product",
  "Commodity available for purchase",
  fields[Unit, Product](
    Field("id", StringType,
      resolve = _.value.id),
    Field("onStock", IntType,
      resolve = _.value.onStock + 10)))
          </code></pre>

          <pre class="fragment roll-in" data-fragment-index="1"><code data-trim contenteditable class="scala">
val ProductType = deriveObjectType[Unit, Product]()
          </code></pre>
        </section>

        <section data-background="linear-gradient(45deg, #3A5999 0%, rgba(0,248,255,0.75) 100%)" class="first-slide">
          <h1>Thank you!</h1>
          <br>
          <ul class="fragment roll-in" data-fragment-index="2">
            <li><a href="http://bit.ly/graphql-introduction" target="_blank">http://bit.ly/graphql-introduction</a></li>
            <li><strong>GraphQL:</strong> <a href="http://graphql.org" target="_blank">http://graphql.org</a></li>
            <li><strong>Twitter:</strong> <a href="https://twitter.com/easyangel" target="_blank">https://twitter.com/easyangel</a></li>
            <li><strong>Zero To GraphQL:</strong> <a href="http://bit.ly/zero-to-graphql" target="_blank">http://bit.ly/zero-to-graphql</a></li>
            <li><strong>Sangria Playground:</strong> <a href="http://try.sangria-graphql.org" target="_blank">http://try.sangria-graphql.org</a></li>
          </ul>
          <br><br>
          <h2 class="fragment roll-in" data-fragment-index="3" style="opacity: 0.7;">Questions?</h2>
        </section>
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