WIP

.env.example

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+DATABASE_URL=postgresql://fondberg:@docker.for.mac.localhost/photowall

.eslintrc.json

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+{
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "sourceType": "module",
+    "ecmaVersion": 2017
+  },
+  "env": {
+    "es6": true
+  },
+  "extends": ["prettier"],
+  "plugins": ["@typescript-eslint", "prettier"],
+  "rules": {
+    "prettier/prettier": ["error"]
+  }
+}

.gitignore

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+### ts build
+build/
+
+dist
+package.zip
+
+### https://raw.github.com/github/gitignore/49d13cdba39774f7fa224ef13f4a1153200e2710/Global/macOS.gitignore
+
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+
+### https://raw.github.com/github/gitignore/49d13cdba39774f7fa224ef13f4a1153200e2710/Node.gitignore
+
+# Logs
+logs
+*.log
+npm-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# serverless
+.serverless
+
+*.sublime-project
+*.sublime-workspace
+

.prettierrc

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+{
+  "trailingComma": "all",
+  "singleQuote": true
+}

package.json

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+{
+  "name": "graphql-server-pw",
+  "version": "1.0.0",
+  "description": "",
+  "main": "src/index.js",
+  "scripts": {
+    "start": "nodemon -w src --ext ts --exec ts-node src/index.ts"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "apollo-datasource": "^0.8.0",
+    "apollo-datasource-rest": "^0.11.0",
+    "apollo-server": "^2.22.2",
+    "datasource-sql": "^1.4.0",
+    "dotenv": "^8.2.0",
+    "graphql": "^15.5.0",
+    "nodemon": "^2.0.7",
+    "pg": "^8.5.1",
+    "pg-hstore": "^2.3.3",
+    "prettier": "^2.2.1",
+    "ts-node": "^9.1.1",
+    "typescript": "^4.2.3"
+  },
+  "devDependencies": {
+    "@typescript-eslint/eslint-plugin": "^4.21.0",
+    "@typescript-eslint/parser": "^4.21.0",
+    "eslint": "^7.23.0",
+    "eslint-config-prettier": "^8.1.0",
+    "eslint-plugin-prettier": "^3.3.1"
+  },
+  "jest": {
+    "testPathIgnorePatterns": [
+      "/node_modules/",
+      "/__utils"
+    ]
+  }
+}

src/config.ts

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+export const dbConfig = {
+  client: 'pg',
+  connection: 'postgresql://fondberg:@docker.for.mac.localhost/photowall',
+  pool: {
+    min: 1,
+    max: 10,
+  },
+};

src/datasources/order.ts

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+import { SQLDataSource } from 'datasource-sql';
+
+const MINUTE = 60;
+
+interface Order {
+  id: number;
+  inserted: Date;
+  paid: boolean;
+  confirmed: boolean;
+  delivered: boolean;
+  newsletter: boolean;
+  creditInvoice: boolean;
+  canceled: boolean;
+  reminder: boolean;
+  deliveredDate: Date;
+  countryCode: string;
+  language: string;
+  deliveryCountryCode: string;
+  deliveryMethod: string;
+  deliveryPrice: string;
+  deliveryVat: number;
+  customerType: string;
+  paymentType: string;
+  attention: string;
+  currency: string;
+  exchangeRate: number;
+  exchangeRateEur: number;
+  invoiceId: string;
+  contractCustomerId: number;
+  vatNumber: string;
+  comment: string;
+  cancelsOrderId: number;
+  cancelledByOrderId: number;
+  orderlogId: number;
+  resellerStore: string;
+  orderSum: number;
+  klarnaOrderId: string;
+  pwintyId: number;
+  email: string;
+  phone: string;
+  deliveryEmail: string;
+  deliveryPhone: string;
+  customerFirstname: string;
+  customerLastname: string;
+  customerEmail: string;
+  customerCellphone: string;
+  billingAddressId: number;
+  deliveryAddressId: number;
+  flyer_ids: string;
+  market: string;
+  locale: string;
+}
+
+export class OrderAPI extends SQLDataSource {
+  constructor(config) {
+    super(config);
+  }
+
+  async getOrders() {
+    const data = await this.knex
+      .select('*')
+      .from('orders')
+      .where('inserted', '>=', '2021-03-01T00:00:00Z')
+      .cache(MINUTE);
+
+    console.log(data);
+
+    return [
+      { id: 1, countryCode: 'SE' },
+      { id: 2, countryCode: 'DK' },
+    ];
+  }
+
+  async getOrder(id: number) {
+    const data = await this.knex
+      .select('*')
+      .from('orders')
+      .where('id', id)
+      .cache(MINUTE);
+
+    console.log(data);
+
+    return { id: 2, countryCode: 'DK' };
+  }
+}

src/index.ts

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+import dotenv from 'dotenv';
+dotenv.config();
+
+import { ApolloServer } from 'apollo-server';
+
+import { dbConfig } from './config';
+import { typeDefs } from './schema';
+import resolvers from './resolvers';
+
+import { OrderAPI } from './datasources/order';
+
+// set up any dataSources our resolvers need
+const dataSources = () => ({
+  orderApi: new OrderAPI(dbConfig),
+});
+
+const context = async ({ req }) => {
+  return { data: { foo: 'bar' } };
+};
+
+async function main() {
+  const server = new ApolloServer({
+    typeDefs,
+    resolvers,
+    dataSources,
+    context,
+    introspection: true,
+    playground: true,
+  });
+
+  await server.listen();
+
+  console.log('Server is running on http://localhost:4000');
+}
+main();

src/resolvers.ts

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+// (parent, args, ctx, info)
+const orders = {
+  orders: (_, __, { dataSources }) => dataSources.orderApi.getOrders(),
+  order: (_, { id }, { dataSources }) => dataSources.orderApi.getOrder(id),
+};
+
+const resolvers = {
+  Query: { ...orders },
+};
+
+export default resolvers;

src/schema.ts

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+import { gql } from 'apollo-server';
+
+const typeDefs = gql`
+  type Query {
+    orders: [Order]
+    order(id: ID!): Order
+  }
+
+  type Order {
+    id: ID!
+    countryCode: String
+  }
+`;
+
+export { typeDefs };

tsconfig.json

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+{
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "experimentalDecorators": true,
+    "emitDecoratorMetadata": true,
+    "strictPropertyInitialization": false,
+    "allowJs": true
+  }
+}