implements a category route

routes/category.js

@@ -0,0 +1,49 @@
+const router = require('express').Router();
+const CategoryService = require('../services/CategoryService');
+const CategoryInstance = new CategoryService();
+
+module.exports = (app) => {
+    app.use('/api/category', router);
+
+    router.get('/', async (req, res, next) => {
+        const { name } = req.query;
+
+        if (name) {
+            try {
+                const response = await CategoryInstance.getByName(name);
+                res.status(200).send(response);
+            } catch(e) {
+                next(e);
+            }
+        } else {
+            try {
+                const response = await CategoryInstance.getAll();
+                res.status(200).send(response);
+            } catch(e) {
+                next(e);
+            }
+        }
+    })
+
+    router.get('/:productid', async (req, res, next) => {
+        const { productid } = req.params;
+
+        try {
+            const response = await CategoryInstance.getById(productid);
+            res.status(200).send(response);
+        } catch(e) {
+            next(e);
+        }
+    })
+
+    router.post('/', async (req, res, next) => {
+        const data = req.body;
+
+        try {
+            const response = await CategoryInstance.create(data);
+            res.status(201).send(response);
+        } catch(e) {
+            next(e);
+        }
+    })
+}