Set up vouchers base

server/routes/vouchers.js

@@ -0,0 +1,154 @@
+const express = require('express');
+const router = express.Router();
+const { Voucher } = require('../models');
+const { Op } = require("sequelize");
+const yup = require("yup");
+const multer = require("multer");
+const sharp = require("sharp");
+
+const upload = multer({ storage: multer.memoryStorage() });
+
+router.post(
+    "/",
+    upload.fields([{ name: "brandLogo", maxCount: 1 }]),
+    async (req, res) => {
+        let data = req.body;
+        let files = req.files;
+
+        // Validate request body
+        let validationSchema = yup.object().shape({
+            brand: yup.string().trim().max(100).required(),
+            description: yup.string().trim().required(),
+            expirationDate: yup.date().required(),
+            quantityAvailable: yup.number().min(0).positive().required(),
+            code: yup.string().trim().required(),
+            brandLogo: yup.string().trim().max(255), // Optional field
+        });
+
+        try {
+            data = await validationSchema.validate(data, { abortEarly: false });
+
+            // Process brandLogo if it exists
+            let brandLogo = files.brandLogo ? files.brandLogo[0].buffer : null;
+
+            if (brandLogo) {
+                // Resize and compress image
+                brandLogo = await sharp(brandLogo)
+                    .resize(512, 512, {
+                        fit: sharp.fit.inside,
+                        withoutEnlargement: true,
+                    })
+                    .jpeg({ quality: 80 })
+                    .toBuffer();
+            }
+
+            // Include brandLogo in data if processed
+            let result = await Voucher.create({ ...data, brandLogo });
+            res.json(result);
+        } catch (err) {
+            res.status(400).json({ errors: err.errors });
+        }
+    }
+);
+
+
+router.get("/", async (req, res) => {
+    let condition = {};
+    let search = req.query.search;
+    if (search) {
+        condition[Op.or] = [
+            { brand: { [Op.like]: `%${search}%` } },
+        ];
+    }
+    let list = await Voucher.findAll({
+        where: condition,
+        order: [["createdAt", "ASC"]]
+    });
+    res.json(list);
+});
+
+router.get("/:id", async (req, res) => {
+    let id = req.params.id;
+    let vouchers = await Voucher.findByPk(id);
+    if (!vouchers) {
+        res.sendStatus(404);
+        return;
+    }
+    res.json(vouchers);
+});
+
+router.get("/brandLogo/:id", async (req, res) => {
+    let id = req.params.id;
+    let vouchers = await Voucher.findByPk(id);
+
+    if (!vouchers || !vouchers.brandLogo) {
+        res.sendStatus(404);
+        return;
+    }
+
+    try {
+        res.set("Content-Type", "image/jpeg"); // Adjust the content type as necessary
+        res.send(vouchers.brandLogo);
+    } catch (err) {
+        res
+            .status(500)
+            .json({ message: "Error retrieving brand", error: err });
+    }
+});
+
+router.put("/:id", async (req, res) => { //update
+    let id = req.params.id;
+    let vouchers = await Voucher.findByPk(id);
+    if (!vouchers) {
+        res.sendStatus(404);
+        return;
+    }
+    let data = req.body;
+    let validationSchema = yup.object().shape({
+        brand: yup.string().trim().max(100).required(),
+        description: yup.string().trim().required(),
+        expirationDate: yup.date().required(),
+        quantityAvailable: yup.number().min(0).positive().required(),
+        code: yup.string().trim().required(),
+    });
+    try {
+        data = await validationSchema.validate(data,
+            { abortEarly: false });
+        let num = await Voucher.update(data, {
+            where: { id: id }
+        });
+        if (num == 1) {
+            res.json({
+                message: "Voucher was updated successfully."
+            });
+        }
+        else {
+            res.status(400).json({
+                message: `Cannot update voucher with id ${id}.`
+            });
+        }
+    }
+    catch (err) {
+        res.status(400).json({ errors: err.errors });
+    }
+});
+
+router.delete("/:id", async (req, res) => {
+    let id = req.params.id;
+    let num = await Voucher.destroy({
+        where: { id: id }
+    })
+    if (num == 1) {
+        res.json({
+            message: "Voucher was deleted successfully."
+        });
+    }
+    else {
+        res.status(400).json({
+            message: `Cannot delete voucher with id ${id}.`
+        });
+    }
+});
+
+
+module.exports = router;