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Riccardo
2021-01-01 10:14:50 +01:00
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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
# dependencies
/node_modules
/.pnp
.pnp.js
# testing
/coverage
# production
/build
# misc
.DS_Store
.env.local
.env.development.local
.env.test.local
.env.production.local
npm-debug.log*
yarn-debug.log*
yarn-error.log*

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# Getting Started with Create React App
This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
## Available Scripts
In the project directory, you can run:
### `yarn start`
Runs the app in the development mode.\
Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
The page will reload if you make edits.\
You will also see any lint errors in the console.
### `yarn test`
Launches the test runner in the interactive watch mode.\
See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
### `yarn build`
Builds the app for production to the `build` folder.\
It correctly bundles React in production mode and optimizes the build for the best performance.
The build is minified and the filenames include the hashes.\
Your app is ready to be deployed!
See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
### `yarn eject`
**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
## Learn More
You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
To learn React, check out the [React documentation](https://reactjs.org/).
### Code Splitting
This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
### Analyzing the Bundle Size
This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
### Making a Progressive Web App
This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
### Advanced Configuration
This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
### Deployment
This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
### `yarn build` fails to minify
This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

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{
"name": "client",
"version": "0.1.0",
"private": true,
"dependencies": {
"@apollo/client": "^3.3.6",
"@testing-library/jest-dom": "^5.11.4",
"@testing-library/react": "^11.1.0",
"@testing-library/user-event": "^12.1.10",
"graphql": "^15.4.0",
"react": "^17.0.1",
"react-dom": "^17.0.1",
"react-scripts": "4.0.1",
"web-vitals": "^0.2.4"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": [
"react-app",
"react-app/jest"
]
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="theme-color" content="#000000" />
<meta
name="description"
content="Web site created using create-react-app"
/>
<link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
<!--
manifest.json provides metadata used when your web app is installed on a
user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
-->
<link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
<!--
Notice the use of %PUBLIC_URL% in the tags above.
It will be replaced with the URL of the `public` folder during the build.
Only files inside the `public` folder can be referenced from the HTML.
Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
work correctly both with client-side routing and a non-root public URL.
Learn how to configure a non-root public URL by running `npm run build`.
-->
<title>React App</title>
</head>
<body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div>
<!--
This HTML file is a template.
If you open it directly in the browser, you will see an empty page.
You can add webfonts, meta tags, or analytics to this file.
The build step will place the bundled scripts into the <body> tag.
To begin the development, run `npm start` or `yarn start`.
To create a production bundle, use `npm run build` or `yarn build`.
-->
</body>
</html>

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{
"short_name": "React App",
"name": "Create React App Sample",
"icons": [
{
"src": "favicon.ico",
"sizes": "64x64 32x32 24x24 16x16",
"type": "image/x-icon"
},
{
"src": "logo192.png",
"type": "image/png",
"sizes": "192x192"
},
{
"src": "logo512.png",
"type": "image/png",
"sizes": "512x512"
}
],
"start_url": ".",
"display": "standalone",
"theme_color": "#000000",
"background_color": "#ffffff"
}

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# https://www.robotstxt.org/robotstxt.html
User-agent: *
Disallow:

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// import logo from './../logo.svg';
// import './../styles/App.css';
import React, { Component } from 'react';
import LinkList from './LinkList';
import CreateLink from './CreateLink'
class App extends Component {
render() {
return <CreateLink />;
}
}
// function App() {
// return (
// <div className="App">
// <header className="App-header">
// <img src={logo} className="App-logo" alt="logo" />
// <p>
// Edit <code>src/App.js</code> and save to reload.
// </p>
// <a
// className="App-link"
// href="https://reactjs.org"
// target="_blank"
// rel="noopener noreferrer"
// >
// Learn React
// </a>
// </header>
// </div>
// );
// }
export default App;

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import { render, screen } from '@testing-library/react';
import App from './App';
test('renders learn react link', () => {
render(<App />);
const linkElement = screen.getByText(/learn react/i);
expect(linkElement).toBeInTheDocument();
});

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import React, { useState } from 'react';
import { useMutation, gql } from '@apollo/client';
const CREATE_LINK_MUTATION = gql`
mutation PostMutation(
$description: String!
$url: String!
) {
post(description: $description, url: $url) {
id
createdAt
url
description
}
}
`;
const CreateLink = () => {
const [formState, setFormState] = useState({
description: '',
url: ''
});
const [createLink] = useMutation(CREATE_LINK_MUTATION, {
variables: {
description: formState.description,
url: formState.url
}
});
return (
<div>
<form
onSubmit={(e) => {
e.preventDefault();
createLink();
}}
>
<div className="flex flex-column mt3">
<input
className="mb2"
value={formState.description}
onChange={(e) =>
setFormState({
...formState,
description: e.target.value
})
}
type="text"
placeholder="A description for the link"
/>
<input
className="mb2"
value={formState.url}
onChange={(e) =>
setFormState({
...formState,
url: e.target.value
})
}
type="text"
placeholder="The URL for the link"
/>
</div>
<button type="submit">Submit</button>
</form>
</div>
);
};
export default CreateLink;

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import React from 'react';
const Link = (props) => {
const { link } = props;
return (
<div>
<div>
{link.id} - {link.description} ({link.url})
</div>
</div>
);
};
export default Link;

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import React from 'react';
import Link from './Link';
import { useQuery, gql } from '@apollo/client';
const FEED_QUERY = gql`
{
feed {
id
links {
id
createdAt
url
description
}
}
}
`;
const LinkList = () => {
const { data } = useQuery(FEED_QUERY);
return (
<div>
{data && (
<>
{data.feed.links.map((link) => (
<Link key={link.id} link={link} />
))}
</>
)}
</div>
);
};
// const LinkList = () => {
// const linksToRender = [
// {
// id: '1',
// description:
// 'Link first😎',
// url: 'https://prisma.io'
// },
// {
// id: '2',
// description: 'Link zwei',
// url: 'https://www.apollographql.com/docs/react/'
// }
// ];
// return (
// <div>
// {linksToRender.map((link) => (
// <Link key={link.id} link={link} />
// ))}
// </div>
// );
// };
export default LinkList;

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import React from 'react';
// import LinkList from './components/LinkList';
// class App extends Component {
// render() {
// return <LinkList />;
// }
// }
// export default App;
// import React from 'react';
import ReactDOM from 'react-dom';
// import './styles/index.css';
import App from './components/App';
// // import * as serviceWorker from './serviceWorker';
// // 1
import {
ApolloProvider,
ApolloClient,
createHttpLink,
InMemoryCache
} from '@apollo/client';
// 2
const httpLink = createHttpLink({
uri: 'http://localhost:4000'
});
// 3
const client = new ApolloClient({
link: httpLink,
cache: new InMemoryCache()
});
// 4
ReactDOM.render(
<ApolloProvider client={client}>
<App />
</ApolloProvider>,
document.getElementById('root')
);
// serviceWorker.unregister();
// If you want to start measuring performance in your app, pass a function
// to log results (for example: reportWebVitals(console.log))
// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
// reportWebVitals();

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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 841.9 595.3"><g fill="#61DAFB"><path d="M666.3 296.5c0-32.5-40.7-63.3-103.1-82.4 14.4-63.6 8-114.2-20.2-130.4-6.5-3.8-14.1-5.6-22.4-5.6v22.3c4.6 0 8.3.9 11.4 2.6 13.6 7.8 19.5 37.5 14.9 75.7-1.1 9.4-2.9 19.3-5.1 29.4-19.6-4.8-41-8.5-63.5-10.9-13.5-18.5-27.5-35.3-41.6-50 32.6-30.3 63.2-46.9 84-46.9V78c-27.5 0-63.5 19.6-99.9 53.6-36.4-33.8-72.4-53.2-99.9-53.2v22.3c20.7 0 51.4 16.5 84 46.6-14 14.7-28 31.4-41.3 49.9-22.6 2.4-44 6.1-63.6 11-2.3-10-4-19.7-5.2-29-4.7-38.2 1.1-67.9 14.6-75.8 3-1.8 6.9-2.6 11.5-2.6V78.5c-8.4 0-16 1.8-22.6 5.6-28.1 16.2-34.4 66.7-19.9 130.1-62.2 19.2-102.7 49.9-102.7 82.3 0 32.5 40.7 63.3 103.1 82.4-14.4 63.6-8 114.2 20.2 130.4 6.5 3.8 14.1 5.6 22.5 5.6 27.5 0 63.5-19.6 99.9-53.6 36.4 33.8 72.4 53.2 99.9 53.2 8.4 0 16-1.8 22.6-5.6 28.1-16.2 34.4-66.7 19.9-130.1 62-19.1 102.5-49.9 102.5-82.3zm-130.2-66.7c-3.7 12.9-8.3 26.2-13.5 39.5-4.1-8-8.4-16-13.1-24-4.6-8-9.5-15.8-14.4-23.4 14.2 2.1 27.9 4.7 41 7.9zm-45.8 106.5c-7.8 13.5-15.8 26.3-24.1 38.2-14.9 1.3-30 2-45.2 2-15.1 0-30.2-.7-45-1.9-8.3-11.9-16.4-24.6-24.2-38-7.6-13.1-14.5-26.4-20.8-39.8 6.2-13.4 13.2-26.8 20.7-39.9 7.8-13.5 15.8-26.3 24.1-38.2 14.9-1.3 30-2 45.2-2 15.1 0 30.2.7 45 1.9 8.3 11.9 16.4 24.6 24.2 38 7.6 13.1 14.5 26.4 20.8 39.8-6.3 13.4-13.2 26.8-20.7 39.9zm32.3-13c5.4 13.4 10 26.8 13.8 39.8-13.1 3.2-26.9 5.9-41.2 8 4.9-7.7 9.8-15.6 14.4-23.7 4.6-8 8.9-16.1 13-24.1zM421.2 430c-9.3-9.6-18.6-20.3-27.8-32 9 .4 18.2.7 27.5.7 9.4 0 18.7-.2 27.8-.7-9 11.7-18.3 22.4-27.5 32zm-74.4-58.9c-14.2-2.1-27.9-4.7-41-7.9 3.7-12.9 8.3-26.2 13.5-39.5 4.1 8 8.4 16 13.1 24 4.7 8 9.5 15.8 14.4 23.4zM420.7 163c9.3 9.6 18.6 20.3 27.8 32-9-.4-18.2-.7-27.5-.7-9.4 0-18.7.2-27.8.7 9-11.7 18.3-22.4 27.5-32zm-74 58.9c-4.9 7.7-9.8 15.6-14.4 23.7-4.6 8-8.9 16-13 24-5.4-13.4-10-26.8-13.8-39.8 13.1-3.1 26.9-5.8 41.2-7.9zm-90.5 125.2c-35.4-15.1-58.3-34.9-58.3-50.6 0-15.7 22.9-35.6 58.3-50.6 8.6-3.7 18-7 27.7-10.1 5.7 19.6 13.2 40 22.5 60.9-9.2 20.8-16.6 41.1-22.2 60.6-9.9-3.1-19.3-6.5-28-10.2zM310 490c-13.6-7.8-19.5-37.5-14.9-75.7 1.1-9.4 2.9-19.3 5.1-29.4 19.6 4.8 41 8.5 63.5 10.9 13.5 18.5 27.5 35.3 41.6 50-32.6 30.3-63.2 46.9-84 46.9-4.5-.1-8.3-1-11.3-2.7zm237.2-76.2c4.7 38.2-1.1 67.9-14.6 75.8-3 1.8-6.9 2.6-11.5 2.6-20.7 0-51.4-16.5-84-46.6 14-14.7 28-31.4 41.3-49.9 22.6-2.4 44-6.1 63.6-11 2.3 10.1 4.1 19.8 5.2 29.1zm38.5-66.7c-8.6 3.7-18 7-27.7 10.1-5.7-19.6-13.2-40-22.5-60.9 9.2-20.8 16.6-41.1 22.2-60.6 9.9 3.1 19.3 6.5 28.1 10.2 35.4 15.1 58.3 34.9 58.3 50.6-.1 15.7-23 35.6-58.4 50.6zM320.8 78.4z"/><circle cx="420.9" cy="296.5" r="45.7"/><path d="M520.5 78.1z"/></g></svg>
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const reportWebVitals = onPerfEntry => {
if (onPerfEntry && onPerfEntry instanceof Function) {
import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
getCLS(onPerfEntry);
getFID(onPerfEntry);
getFCP(onPerfEntry);
getLCP(onPerfEntry);
getTTFB(onPerfEntry);
});
}
};
export default reportWebVitals;

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// jest-dom adds custom jest matchers for asserting on DOM nodes.
// allows you to do things like:
// expect(element).toHaveTextContent(/react/i)
// learn more: https://github.com/testing-library/jest-dom
import '@testing-library/jest-dom';

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.App {
text-align: center;
}
.App-logo {
height: 40vmin;
pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
.App-logo {
animation: App-logo-spin infinite 20s linear;
}
}
.App-header {
background-color: #282c34;
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
font-size: calc(10px + 2vmin);
color: white;
}
.App-link {
color: #61dafb;
}
@keyframes App-logo-spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}

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body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
sans-serif;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
code {
font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
monospace;
}

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.env*
dist
package-lock.json
node_modules
.idea
.vscode
*.log

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# hackernews-graphql-js
This repository contains the final project for the [**GraphQL.js tutorial**](https://www.howtographql.com/graphql-js/0-introduction/) on [How to GraphQL](https://www.howtographql.com/). Note that it also serves as foundation for all frontend tutorials on the site.

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{
"name": "hackernews-node",
"version": "1.0.0",
"license": "MIT",
"scripts": {
"start": "node src/index.js",
"dev": "nodemon src/index.js"
},
"dependencies": {
"@prisma/client": "^2.12.1",
"apollo-server": "^2.19.0",
"bcryptjs": "2.4.3",
"jsonwebtoken": "8.5.1"
},
"devDependencies": {
"@prisma/cli": "^2.12.1",
"nodemon": "^2.0.6"
}
}

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# Migration `20201125185150-init`
This migration has been generated by Ryan Chenkie at 11/25/2020, 1:51:50 PM.
You can check out the [state of the schema](./schema.prisma) after the migration.
## Database Steps
```sql
CREATE TABLE "Link" (
"id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
"createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
"description" TEXT NOT NULL,
"url" TEXT NOT NULL,
"postedById" INTEGER NOT NULL,
FOREIGN KEY ("postedById") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE
)
CREATE TABLE "User" (
"id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
"name" TEXT NOT NULL,
"email" TEXT NOT NULL,
"password" TEXT NOT NULL
)
CREATE TABLE "Vote" (
"id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
"linkId" INTEGER NOT NULL,
"userId" INTEGER NOT NULL,
FOREIGN KEY ("linkId") REFERENCES "Link"("id") ON DELETE CASCADE ON UPDATE CASCADE,
FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE
)
CREATE UNIQUE INDEX "User.email_unique" ON "User"("email")
CREATE UNIQUE INDEX "Vote.linkId_userId_unique" ON "Vote"("linkId", "userId")
```
## Changes
```diff
diff --git schema.prisma schema.prisma
migration ..20201125185150-init
--- datamodel.dml
+++ datamodel.dml
@@ -1,0 +1,37 @@
+datasource db {
+ provider = "sqlite"
+ url = "***"
+}
+
+generator client {
+ provider = "prisma-client-js"
+}
+
+model Link {
+ id Int @id @default(autoincrement())
+ createdAt DateTime @default(now())
+ description String
+ url String
+ postedBy User @relation(fields: [postedById], references: [id])
+ postedById Int
+ votes Vote[]
+}
+
+model User {
+ id Int @id @default(autoincrement())
+ name String
+ email String @unique
+ password String
+ links Link[]
+ votes Vote[]
+}
+
+model Vote {
+ id Int @id @default(autoincrement())
+ link Link @relation(fields: [linkId], references: [id])
+ linkId Int
+ user User @relation(fields: [userId], references: [id])
+ userId Int
+
+ @@unique([linkId, userId])
+}
```

37
server/prisma/migrations/20201125185150-init/schema.prisma Normal file
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datasource db {
provider = "sqlite"
url = "***"
}
generator client {
provider = "prisma-client-js"
}
model Link {
id Int @id @default(autoincrement())
createdAt DateTime @default(now())
description String
url String
postedBy User @relation(fields: [postedById], references: [id])
postedById Int
votes Vote[]
}
model User {
id Int @id @default(autoincrement())
name String
email String @unique
password String
links Link[]
votes Vote[]
}
model Vote {
id Int @id @default(autoincrement())
link Link @relation(fields: [linkId], references: [id])
linkId Int
user User @relation(fields: [userId], references: [id])
userId Int
@@unique([linkId, userId])
}

442
server/prisma/migrations/20201125185150-init/steps.json Normal file
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{
"version": "0.3.14-fixed",
"steps": [
{
"tag": "CreateSource",
"source": "db"
},
{
"tag": "CreateArgument",
"location": {
"tag": "Source",
"source": "db"
},
"argument": "provider",
"value": "\"sqlite\""
},
{
"tag": "CreateArgument",
"location": {
"tag": "Source",
"source": "db"
},
"argument": "url",
"value": "\"***\""
},
{
"tag": "CreateModel",
"model": "Link"
},
{
"tag": "CreateField",
"model": "Link",
"field": "id",
"type": "Int",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Link",
"field": "id"
},
"directive": "id"
}
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Link",
"field": "id"
},
"directive": "default"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Link",
"field": "id"
},
"directive": "default"
},
"argument": "",
"value": "autoincrement()"
},
{
"tag": "CreateField",
"model": "Link",
"field": "createdAt",
"type": "DateTime",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Link",
"field": "createdAt"
},
"directive": "default"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Link",
"field": "createdAt"
},
"directive": "default"
},
"argument": "",
"value": "now()"
},
{
"tag": "CreateField",
"model": "Link",
"field": "description",
"type": "String",
"arity": "Required"
},
{
"tag": "CreateField",
"model": "Link",
"field": "url",
"type": "String",
"arity": "Required"
},
{
"tag": "CreateField",
"model": "Link",
"field": "postedBy",
"type": "User",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Link",
"field": "postedBy"
},
"directive": "relation"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Link",
"field": "postedBy"
},
"directive": "relation"
},
"argument": "fields",
"value": "[postedById]"
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Link",
"field": "postedBy"
},
"directive": "relation"
},
"argument": "references",
"value": "[id]"
},
{
"tag": "CreateField",
"model": "Link",
"field": "postedById",
"type": "Int",
"arity": "Required"
},
{
"tag": "CreateField",
"model": "Link",
"field": "votes",
"type": "Vote",
"arity": "List"
},
{
"tag": "CreateModel",
"model": "User"
},
{
"tag": "CreateField",
"model": "User",
"field": "id",
"type": "Int",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "User",
"field": "id"
},
"directive": "id"
}
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "User",
"field": "id"
},
"directive": "default"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "User",
"field": "id"
},
"directive": "default"
},
"argument": "",
"value": "autoincrement()"
},
{
"tag": "CreateField",
"model": "User",
"field": "name",
"type": "String",
"arity": "Required"
},
{
"tag": "CreateField",
"model": "User",
"field": "email",
"type": "String",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "User",
"field": "email"
},
"directive": "unique"
}
},
{
"tag": "CreateField",
"model": "User",
"field": "password",
"type": "String",
"arity": "Required"
},
{
"tag": "CreateField",
"model": "User",
"field": "links",
"type": "Link",
"arity": "List"
},
{
"tag": "CreateField",
"model": "User",
"field": "votes",
"type": "Vote",
"arity": "List"
},
{
"tag": "CreateModel",
"model": "Vote"
},
{
"tag": "CreateField",
"model": "Vote",
"field": "id",
"type": "Int",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Vote",
"field": "id"
},
"directive": "id"
}
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Vote",
"field": "id"
},
"directive": "default"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Vote",
"field": "id"
},
"directive": "default"
},
"argument": "",
"value": "autoincrement()"
},
{
"tag": "CreateField",
"model": "Vote",
"field": "link",
"type": "Link",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Vote",
"field": "link"
},
"directive": "relation"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Vote",
"field": "link"
},
"directive": "relation"
},
"argument": "fields",
"value": "[linkId]"
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Vote",
"field": "link"
},
"directive": "relation"
},
"argument": "references",
"value": "[id]"
},
{
"tag": "CreateField",
"model": "Vote",
"field": "linkId",
"type": "Int",
"arity": "Required"
},
{
"tag": "CreateField",
"model": "Vote",
"field": "user",
"type": "User",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Field",
"model": "Vote",
"field": "user"
},
"directive": "relation"
}
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Vote",
"field": "user"
},
"directive": "relation"
},
"argument": "fields",
"value": "[userId]"
},
{
"tag": "CreateArgument",
"location": {
"tag": "Directive",
"path": {
"tag": "Field",
"model": "Vote",
"field": "user"
},
"directive": "relation"
},
"argument": "references",
"value": "[id]"
},
{
"tag": "CreateField",
"model": "Vote",
"field": "userId",
"type": "Int",
"arity": "Required"
},
{
"tag": "CreateDirective",
"location": {
"path": {
"tag": "Model",
"model": "Vote",
"arguments": [
{
"name": "",
"value": "[linkId, userId]"
}
]
},
"directive": "unique"
}
}
]
}

3
server/prisma/migrations/migrate.lock Normal file
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# Prisma Migrate lockfile v1
20201125185150-init

37
server/prisma/schema.prisma Normal file
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datasource db {
provider = "sqlite"
url = "file:./dev.db"
}
generator client {
provider = "prisma-client-js"
}
model Link {
id Int @id @default(autoincrement())
createdAt DateTime @default(now())
description String
url String
postedBy User @relation(fields: [postedById], references: [id])
postedById Int
votes Vote[]
}
model User {
id Int @id @default(autoincrement())
name String
email String @unique
password String
links Link[]
votes Vote[]
}
model Vote {
id Int @id @default(autoincrement())
link Link @relation(fields: [linkId], references: [id])
linkId Int
user User @relation(fields: [userId], references: [id])
userId Int
@@unique([linkId, userId])
}

68
server/src/index.js Normal file
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const { ApolloServer, PubSub } = require('apollo-server');
const { PrismaClient } = require('@prisma/client');
const Query = require('./resolvers/Query');
const Mutation = require('./resolvers/Mutation');
const Subscription = require('./resolvers/Subscription');
const User = require('./resolvers/User');
const Link = require('./resolvers/Link');
const Vote = require('./resolvers/Vote');
const fs = require('fs');
const path = require('path');
const { getUserId } = require('./utils');
const pubsub = new PubSub();
const prisma = new PrismaClient({
errorFormat: 'minimal'
});
const resolvers = {
Query,
Mutation,
Subscription,
User,
Link,
Vote
};
const server = new ApolloServer({
typeDefs: fs.readFileSync(
path.join(__dirname, 'schema.graphql'),
'utf8'
),
resolvers,
context: ({ req }) => {
return {
...req,
prisma,
pubsub,
userId:
req && req.headers.authorization
? getUserId(req)
: null
};
},
subscriptions: {
onConnect: (connectionParams) => {
if (connectionParams.authToken) {
return {
prisma,
userId: getUserId(
null,
connectionParams.authToken
)
};
} else {
return {
prisma
};
}
}
}
});
server
.listen()
.then(({ url }) =>
console.log(`Server is running on ${url}`)
);

16
server/src/resolvers/Link.js Normal file
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function postedBy(parent, args, context) {
return context.prisma.link
.findUnique({ where: { id: parent.id } })
.postedBy();
}
function votes(parent, args, context) {
return context.prisma.link
.findUnique({ where: { id: parent.id } })
.votes();
}
module.exports = {
postedBy,
votes
};

91
server/src/resolvers/Mutation.js Normal file
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const bcrypt = require('bcryptjs');
const jwt = require('jsonwebtoken');
const { APP_SECRET } = require('../utils');
async function post(parent, args, context, info) {
const { userId } = context;
const newLink = await context.prisma.link.create({
data: {
url: args.url,
description: args.description,
postedBy: { connect: { id: userId } }
}
});
context.pubsub.publish('NEW_LINK', newLink);
return newLink;
}
async function signup(parent, args, context, info) {
const password = await bcrypt.hash(args.password, 10);
const user = await context.prisma.user.create({
data: { ...args, password }
});
const token = jwt.sign({ userId: user.id }, APP_SECRET);
return {
token,
user
};
}
async function login(parent, args, context, info) {
const user = await context.prisma.user.findUnique({
where: { email: args.email }
});
if (!user) {
throw new Error('No such user found');
}
const valid = await bcrypt.compare(
args.password,
user.password
);
if (!valid) {
throw new Error('Invalid password');
}
const token = jwt.sign({ userId: user.id }, APP_SECRET);
return {
token,
user
};
}
async function vote(parent, args, context, info) {
const { userId } = context;
const vote = await context.prisma.vote.findUnique({
where: {
linkId_userId: {
linkId: Number(args.linkId),
userId: userId
}
}
});
if (Boolean(vote)) {
throw new Error(
`Already voted for link: ${args.linkId}`
);
}
const newVote = context.prisma.vote.create({
data: {
user: { connect: { id: userId } },
link: { connect: { id: Number(args.linkId) } }
}
});
context.pubsub.publish('NEW_VOTE', newVote);
return newVote;
}
module.exports = {
post,
signup,
login,
vote
};

29
server/src/resolvers/Query.js Normal file
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async function feed(parent, args, context, info) {
const where = args.filter
? {
OR: [
{ description: { contains: args.filter } },
{ url: { contains: args.filter } }
]
}
: {};
const links = await context.prisma.link.findMany({
where,
skip: args.skip,
take: args.take,
orderBy: args.orderBy
});
const count = await context.prisma.link.count({ where });
return {
id: 'main-feed',
links,
count
};
}
module.exports = {
feed
};

26
server/src/resolvers/Subscription.js Normal file
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function newLinkSubscribe(parent, args, context, info) {
return context.pubsub.asyncIterator("NEW_LINK")
}
const newLink = {
subscribe: newLinkSubscribe,
resolve: payload => {
return payload
},
}
function newVoteSubscribe(parent, args, context, info) {
return context.pubsub.asyncIterator("NEW_VOTE")
}
const newVote = {
subscribe: newVoteSubscribe,
resolve: payload => {
return payload
},
}
module.exports = {
newLink,
newVote
}

9
server/src/resolvers/User.js Normal file
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@@ -0,0 +1,9 @@
function links(parent, args, context) {
return context.prisma.user
.findUnique({ where: { id: parent.id } })
.links();
}
module.exports = {
links
};

16
server/src/resolvers/Vote.js Normal file
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function link(parent, args, context) {
return context.prisma.vote
.findUnique({ where: { id: parent.id } })
.link();
}
function user(parent, args, context) {
return context.prisma.vote
.findUnique({ where: { id: parent.id } })
.user();
}
module.exports = {
link,
user
};

71
server/src/schema.graphql Normal file
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type Query {
info: String!
feed(
filter: String
skip: Int
take: Int
orderBy: LinkOrderByInput
): Feed!
}
type Feed {
id: ID!
links: [Link!]!
count: Int!
}
type Mutation {
post(url: String!, description: String!): Link!
signup(
email: String!
password: String!
name: String!
): AuthPayload
login(email: String!, password: String!): AuthPayload
vote(linkId: ID!): Vote
}
type Subscription {
newLink: Link
newVote: Vote
}
type AuthPayload {
token: String
user: User
}
type User {
id: ID!
name: String!
email: String!
links: [Link!]!
}
type Link {
id: ID!
description: String!
url: String!
postedBy: User
votes: [Vote!]!
createdAt: DateTime!
}
type Vote {
id: ID!
link: Link!
user: User!
}
input LinkOrderByInput {
description: Sort
url: Sort
createdAt: Sort
}
enum Sort {
asc
desc
}
scalar DateTime

30
server/src/utils.js Normal file
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const jwt = require('jsonwebtoken');
const APP_SECRET = 'GraphQL-is-aw3some';
function getTokenPayload(token) {
return jwt.verify(token, APP_SECRET);
}
function getUserId(req, authToken) {
if (req) {
const authHeader = req.headers.authorization;
if (authHeader) {
const token = authHeader.replace('Bearer ', '');
if (!token) {
throw new Error('No token found');
}
const { userId } = getTokenPayload(token);
return userId;
}
} else if (authToken) {
const { userId } = getTokenPayload(authToken);
return userId;
}
throw new Error('Not authenticated');
}
module.exports = {
APP_SECRET,
getUserId
};

2181
server/yarn.lock Normal file
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