index.js

import express from "express";
import { config } from "dotenv";
import authRoutes from "./routes/authRoutes.js";
import userRoutes from "./routes/userRoutes.js";
import orderRoutes from "./routes/orderRoutes.js";
import { sequelize } from "./models/index.js";
import errorHandlingMiddleware from "./middleware/errorHandlingMiddleware.js";
import swaggerUi from "swagger-ui-express";
import swaggerJsdoc from "swagger-jsdoc";

// TODO: USE ENV VARIABLES OR CONFIG FILE
const SERVER_PORT = 3001;
const SERVER_URL = `http://localhost:${SERVER_PORT}`;

const swaggerJsdocOptions = {
  definition: {
    openapi: "3.0.0",
    info: {
      title: "Marketplace API with Swagger",
      version: "1.0.0",
      description:
        "This is a simple CRUD API application made with Express and documented with Swagger",
    },
    components: {
      securitySchemes: {
        bearerAuth: {
          // arbitrary name for the security scheme
          type: "http",
          scheme: "bearer",
          bearerFormat: "JWT",
        },
      },
      schemas: {
        Order: {
          type: "object",
          properties: {
            id: {
              type: "integer",
              description: "Order ID",
            },
            makerId: {
              type: "integer",
              description: "ID of the user who created the order",
            },
            price: {
              type: "number",
              format: "float",
              description: "Price of the order",
            },
            amount: {
              type: "number",
              format: "float",
              description: "Amount of the order",
            },
            startAt: {
              type: "string",
              format: "date-time",
              description: "Datetime when the order starts",
            },
            endsAt: {
              type: "string",
              format: "date-time",
              description: "Datetime when the order ends",
            },
            canceledAt: {
              type: "string",
              format: "date-time",
              description: "Datetime when the order was cancelled",
            },
          },
        },
      },
    },
    servers: [
      {
        url: SERVER_URL,
      },
    ],
  },
  apis: ["./routes/*.js"], //path to the files where you've defined your endpoints
};

async function start() {
  try {
    config();

    await sequelize.sync();

    const specs = swaggerJsdoc(swaggerJsdocOptions);
    const app = express();

    app.use(express.json());
    app.use("/auth", authRoutes);
    app.use("/users", userRoutes);
    app.use("/orders", orderRoutes);
    app.use(
      "/api-docs",
      swaggerUi.serve,
      swaggerUi.setup(specs, { explorer: true })
    );

    app.use(errorHandlingMiddleware);
    app.listen(SERVER_PORT, () =>
      console.log(`Server running on port ${SERVER_PORT}`)
    );
  } catch (err) {
    console.error(err);
  }
}

start();