Display free tickets in standing areas

software/backend/routes/exercise.routes.ts

@@ -4,6 +4,9 @@ import { Request, Response, Router } from "express";
 
 export const exercises = Router()
 
+/**
+ * Get all Exercises grouped in ExerciseGroups
+ */
 exercises.get("/", (req: Request, res: Response) => {
   ExerciseGroup.findAll(
     {
@@ -22,6 +25,13 @@ exercises.get("/", (req: Request, res: Response) => {
   })
 })
 
+/**
+ * Update state of an Exercise
+ * 
+ * @param groupNr Number of exercise group (not ID)
+ * @param exerciseNr Number of exercise (not ID)
+ * @param state New state boolean
+ */
 exercises.post("/:groupNr/:exerciseNr/:state", (req: Request, res: Response) => {
   ExerciseGroup.findOne({
     where: { groupNr: req.params.groupNr }