new directory structure for api endpoints / prepare image endpoint / default product image

src/routes/api/v1/image/image.ts

@@ -0,0 +1,94 @@
+import { Request, Response } from 'express';
+import path from 'node:path';
+import fs from 'node:fs';
+import db, { handlePrismaError } from '../../../../handlers/db.js'; // Database
+import log from '../../../../handlers/log.js';
+import __path from '../../../../handlers/path.js';
+import { schema_get, schema_post, schema_del } from './image_schema.js';
+
+// MARK: GET image
+async function get(req: Request, res: Response) {
+	const { error, value } = schema_get.validate(req.query);
+	if (error) {
+		log.api?.debug('GET image Error:', req.query, value, error.details[0].message);
+		res.status(400).json({ status: 'ERROR', errorcode: 'VALIDATION_ERROR', message: error.details[0].message });
+	} else {
+		log.api?.debug('GET image Success:', req.query, value);
+		await db.products
+			.findUnique({
+				where: {
+					id: value.id
+				}
+			})
+			.then((result) => {
+				if (result) {
+					const img_path = path.join(__path, 'images', `${value.id}.png`);
+					// Serve stored or default image
+					fs.existsSync(img_path) ? res.sendFile(img_path) : res.sendFile(path.join(__path, 'images', 'default.png'));
+				} else {
+					// Product does not exist
+					res.sendFile(path.join(__path, 'images', 'default.png'));
+				}
+			})
+			.catch((err) => {
+				handlePrismaError(err, res, 'GET image_provider');
+			});
+	}
+}
+
+// MARK: CREATE image (upload)
+async function post(req: Request, res: Response) {
+	const { error, value } = schema_post.validate(req.query);
+	if (error) {
+		log.api?.debug('POST image Error:', req.query, value, error.details[0].message);
+		res.status(400).json({ status: 'ERROR', errorcode: 'VALIDATION_ERROR', message: error.details[0].message });
+	} else {
+		log.api?.debug('POST image Success:', req.query, value);
+
+		// 	if (!req.files || Object.keys(req.files).length === 0) {
+		// 		res.status(400).send('No files were uploaded.');
+		// 	}
+
+		// 	const upload_file = req.files?.file;
+		// 	let upload_path;
+
+		// 	//uploadPath = __dirname + '/somewhere/on/your/server/' + sampleFile.name;
+
+		// 	const allowedMimeTypes = ['image/png', 'image/jpeg'];
+		// 	// if (!allowedMimeTypes.includes(upload_file.mimetype)) {
+		// 	// 	return res.status(400).send('Invalid file type. Only PNG and JPEG are allowed.');
+		// 	// }
+
+		// 	uploadedFile.mv(`/path/to/save/${uploadedFile.name}`, (err) => {
+		// 		if (err) {
+		// 		    return res.status(500).send(err);
+		// 		}
+
+		// 		res.send('File uploaded!');
+	}
+}
+
+// MARK: DELETE image
+async function del(req: Request, res: Response) {
+	const { error, value } = schema_del.validate(req.query);
+	if (error) {
+		log.api?.debug('DEL image Error:', req.query, value, error.details[0].message);
+		res.status(400).json({ status: 'ERROR', errorcode: 'VALIDATION_ERROR', message: error.details[0].message });
+	} else {
+		log.api?.debug('DEL image Success:', req.query, value);
+		// await db.products
+		// 	.delete({
+		// 		where: {
+		// 			id: value.id
+		// 		}
+		// 	})
+		// 	.then((result) => {
+		// 		res.status(200).json({ status: 'DELETED', message: 'Successfully deleted product', id: result.id });
+		// 	})
+		// 	.catch((err) => {
+		// 		handlePrismaError(err, res, 'DEL products');
+		// 	});
+	}
+}
+
+export default { get, post, del };

src/routes/api/v1/image/image_schema.ts

@@ -0,0 +1,33 @@
+import { Request, Response } from 'express';
+import validator from 'joi'; // DOCS: https://joi.dev/api
+
+// MARK: GET image
+const schema_get = validator.object({
+	id: validator.number().positive().precision(0)
+});
+
+// MARK: CREATE image
+const schema_post = validator.object({
+	id: validator.number().positive().precision(0)
+});
+
+// MARK: DELETE products
+const schema_del = validator.object({
+	id: validator.number().positive().precision(0)
+});
+
+// Describe all schemas
+const schema_get_desc = schema_get.describe();
+const schema_post_desc = schema_post.describe();
+const schema_del_desc = schema_del.describe();
+
+// GET route
+export default async function get(req: Request, res: Response) {
+	res.status(200).json({
+		GET: schema_get_desc,
+		POST: schema_post_desc,
+		DELETE: schema_del_desc
+	});
+}
+
+export { schema_get, schema_post, schema_del };

src/routes/api/v1/index.ts

@@ -4,14 +4,17 @@ import express from 'express';
 import testRoute from './test.js';
 import versionRoute from './version.js';
 
-import user_route from './user.js';
-import user_schema from './user_schema.js';
+import user_route from './user/user.js';
+import user_schema from './user/user_schema.js';
 
-import user_codecheck_route from './user_codecheck.js';
-import user_codecheck_schema from './user_codecheck_schema.js';
+import user_codecheck_route from './user/user_codecheck.js';
+import user_codecheck_schema from './user/user_codecheck_schema.js';
 
-import products_route from './products.js';
-import products_schema from './products_schema.js';
+import products_route from './products/products.js';
+import products_schema from './products/products_schema.js';
+
+import image_route from './image/image.js';
+import image_schema from './image/image_schema.js';
 
 // Router base is '/api/v1'
 const Router = express.Router({ strict: false });
@@ -36,6 +39,9 @@ Router.route('/user/codecheck/describe').get(user_codecheck_schema);
 Router.route('/products').get(products_route.get).post(products_route.post).patch(products_route.patch).delete(products_route.del);
 Router.route('/products/describe').get(products_schema);
 
+Router.route('/image').get(image_route.get).post(image_route.post).delete(image_route.del);
+Router.route('/image/describe').get(image_schema); // TODO: Checken, ob das probleme mit dem image_provider endpoint macht.
+
 Router.route('/version').get(versionRoute.get);
 Router.route('/test').get(testRoute.get);
 

src/routes/api/v1/products/products.ts

@@ -1,7 +1,7 @@
 import { Request, Response } from 'express';
-import db, { handlePrismaError } from '../../../handlers/db.js'; // Database
-import log from '../../../handlers/log.js';
-import { parseDynamicSortBy } from '../../../helpers/prisma_helpers.js';
+import db, { handlePrismaError } from '../../../../handlers/db.js'; // Database
+import log from '../../../../handlers/log.js';
+import { parseDynamicSortBy } from '../../../../helpers/prisma_helpers.js';
 import { schema_get, schema_post, schema_patch, schema_del } from './products_schema.js';
 
 // MARK: GET products

src/routes/api/v1/user/user.ts

@@ -1,7 +1,7 @@
 import { Request, Response } from 'express';
-import db, { handlePrismaError } from '../../../handlers/db.js'; // Database
-import log from '../../../handlers/log.js';
-import { parseDynamicSortBy } from '../../../helpers/prisma_helpers.js';
+import db, { handlePrismaError } from '../../../../handlers/db.js'; // Database
+import log from '../../../../handlers/log.js';
+import { parseDynamicSortBy } from '../../../../helpers/prisma_helpers.js';
 import { schema_get, schema_post, schema_patch, schema_del } from './user_schema.js';
 
 // MARK: GET user

src/routes/api/v1/user/user_codecheck.ts

@@ -1,6 +1,6 @@
 import { Request, Response } from 'express';
-import db, { handlePrismaError } from '../../../handlers/db.js'; // Database
-import log from '../../../handlers/log.js';
+import db, { handlePrismaError } from '../../../../handlers/db.js'; // Database
+import log from '../../../../handlers/log.js';
 import { schema_get } from './user_codecheck_schema.js';
 
 // MARK: GET user codecheck