feat: major code refactor, add login and register endpoints with swagger

src/tools/validateSchema.ts

@@ -0,0 +1,40 @@
+// Heavily based on:
+// https://github.com/TomDoesTech/REST-API-Tutorial-Updated/blob/7b5f040e1acd94d267df585516b33ee7e3b75f70/src/middleware/validateResource.ts
+import { Request, Response, NextFunction } from 'express';
+import { ErrorDTO } from '../schemas/miscSchema';
+import z from 'zod';
+
+const validate =
+	(schema: z.ZodObject) =>
+	(req: Request, res: Response, next: NextFunction) => {
+		try {
+			schema.parse({
+				body: req.body,
+				query: req.query,
+				params: req.params,
+			});
+			next();
+		} catch (e: any) {
+			if (e instanceof z.ZodError) {
+				let errorResponse: ErrorDTO = {
+					status: 'error',
+					error: e.issues[0]?.message ?? 'Unknown error',
+					code: e.issues[0]?.code
+				};
+				return res.status(400)
+						  .json(errorResponse);
+			} else {
+				console.log('Generic error triggered:', e);
+				let errorResponse: ErrorDTO = {
+					status: 'error',
+					error: 'Unknown error',
+					code: 'generic-error'
+				};
+				return res.status(400)
+						  .json(errorResponse);
+			}
+
+		}
+	};
+
+export default validate;