node_learning_module_1/day1/app.js

var createError = require("http-errors");
var express = require("express");
var path = require("path");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var swaggerJsdoc = require("swagger-jsdoc");
var swaggerUi = require("swagger-ui-express");

var indexRouter = require("./routes/index");
var usersRouter = require("./routes/users");
var shippingDockRouter = require("./routes/shipping_dock");
var orderRouter = require("./routes/order");
var transactionRouter = require("./routes/transaction");

const db = require("./models");
var cors = require("cors");

// Swagger configuration
const swaggerOptions = {
    definition: {
        openapi: "3.0.0",
        info: {
            title: "Day 1 API Documentation",
            version: "1.0.0",
            description:
                "API documentation for Shipping Dock, Order, and Transaction management",
        },
        servers: [
            {
                url: "http://localhost:3000",
                description: "Development server",
            },
        ],
        components: {
            schemas: {
                ShippingDock: {
                    type: "object",
                    properties: {
                        id: {
                            type: "integer",
                            description: "Auto-generated ID",
                        },
                        name: {
                            type: "string",
                            description: "Name of the shipping dock",
                        },
                        status: {
                            type: "integer",
                            description: "Status: 1 = active, 0 = inactive",
                            enum: [0, 1],
                        },
                        created_at: { type: "string", format: "date-time" },
                        updated_at: { type: "string", format: "date-time" },
                    },
                },
                Order: {
                    type: "object",
                    properties: {
                        id: {
                            type: "integer",
                            description: "Auto-generated ID",
                        },
                        user_id: { type: "integer", description: "User ID" },
                        amount: {
                            type: "number",
                            format: "decimal",
                            description: "Order amount",
                        },
                        tax: {
                            type: "number",
                            format: "decimal",
                            description: "Tax amount",
                        },
                        notes: {
                            type: "string",
                            description: "Additional notes",
                        },
                        status: {
                            type: "integer",
                            description: "Status: 1 = paid, 0 = not paid",
                            enum: [0, 1],
                        },
                        created_at: { type: "string", format: "date-time" },
                        updated_at: { type: "string", format: "date-time" },
                    },
                },
                Transaction: {
                    type: "object",
                    properties: {
                        id: {
                            type: "integer",
                            description: "Auto-generated ID",
                        },
                        order_id: { type: "integer", description: "Order ID" },
                        user_id: { type: "integer", description: "User ID" },
                        shipping_dock_id: {
                            type: "integer",
                            description: "Shipping Dock ID",
                        },
                        amount: {
                            type: "number",
                            format: "decimal",
                            description: "Transaction amount",
                        },
                        notes: {
                            type: "string",
                            description: "Additional notes",
                        },
                        created_at: { type: "string", format: "date-time" },
                        updated_at: { type: "string", format: "date-time" },
                    },
                },
            },
        },
    },
    apis: ["./routes/*.js"],
};

const swaggerSpec = swaggerJsdoc(swaggerOptions);

var app = express();
app.set("db", db);
// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "jade");
app.use(cors());
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

// Swagger docs route
app.use("/docs", swaggerUi.serve, swaggerUi.setup(swaggerSpec));

app.use("/", indexRouter);
app.use("/users", usersRouter);
app.use("/api/v1/shipping_dock", shippingDockRouter);
app.use("/api/v1/order", orderRouter);
app.use("/api/v1/transaction", transactionRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get("env") === "development" ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render("error");
});

module.exports = app;