graphql-api-js/src/context.ts

import { ApolloServer } from '@apollo/server';
import knexStringcase from 'knex-stringcase';
import {
  ClaimVerifyResult,
  verifyAuthentication,
} from './cognito/cognito-client';
import { dbConfig } from './config';
import { CategoryAPI } from './datasources/category-api';
import { DesignerAPI } from './datasources/designer-api';
import { ImageServerApi } from './datasources/imageserver-api';
import { InteriorAPI } from './datasources/interior-api';
import { InteriorsLambdaAPI } from './datasources/interiors-lambda-api';
import { KeywordAPI } from './datasources/keyword-api';
import { MarketLocaleAPI } from './datasources/market-locale-api';
import { OrderAPI } from './datasources/order-api';
import { PrintProductDefaultsAPI } from './datasources/printproduct-defaults-api';
import { ProductAPI } from './datasources/product-api';
import { TextsAPI } from './datasources/texts-api';
import { IncomingMessage } from 'http';
import { DataSourceOptions, IAuthObject } from './types/types';

const knexConfig = knexStringcase(dbConfig);

export class ContextValue {
  public req: IncomingMessage;
  public server: ApolloServer<ContextValue>;
  public user: IAuthObject | ClaimVerifyResult;
  public dataSources: {
    marketLocaleApi: MarketLocaleAPI;
    textsApi: TextsAPI;
    categoryApi: CategoryAPI;
    designerApi: DesignerAPI;
    imageServerApi: ImageServerApi;
    interiorsLambdaApi: InteriorsLambdaAPI;
    interiorApi: InteriorAPI;
    printProductDefaultsApi: PrintProductDefaultsAPI;
    keywordApi: KeywordAPI;
    orderApi: OrderAPI;
    productApi: ProductAPI;
  };

  constructor({
    req,
    server,
  }: {
    req: IncomingMessage;
    server: ApolloServer<ContextValue>;
  }) {
    this.req = req;
    this.server = server;
  }

  async process() {
    const { cache } = this.server;

    // -------------------------------
    // Authentication
    // -------------------------------

    this.user = await verifyAuthentication(this.req);

    // -------------------------------
    // DataSources
    // -------------------------------

    const options: DataSourceOptions = { cache, user: this.user };

    const marketLocaleApi = new MarketLocaleAPI(options, knexConfig);
    const textsApi = new TextsAPI(options, knexConfig, marketLocaleApi);
    const categoryApi = new CategoryAPI(options, knexConfig);
    const designerApi = new DesignerAPI(options, knexConfig);
    const imageServerApi = new ImageServerApi(options);
    const interiorsLambdaApi = new InteriorsLambdaAPI(options);
    const interiorApi = new InteriorAPI(options, knexConfig, imageServerApi);
    const printProductDefaultsApi = new PrintProductDefaultsAPI(
      options,
      knexConfig,
    );
    const keywordApi = new KeywordAPI(options, knexConfig, textsApi);
    const orderApi = new OrderAPI(options, knexConfig);
    const productApi = new ProductAPI(
      options,
      knexConfig,
      textsApi,
      printProductDefaultsApi,
    );
    this.dataSources = {
      productApi,
      marketLocaleApi,
      textsApi,
      categoryApi,
      designerApi,
      imageServerApi,
      interiorsLambdaApi,
      interiorApi,
      printProductDefaultsApi,
      keywordApi,
      orderApi,
    };

    return this;
  }
}