Start moving data server handling from pinia store to server

software/backend/routes/events.routes.ts

@@ -0,0 +1,79 @@
+import { Concert } from "../models/acts/concert.model";
+import { Band } from "../models/acts/band.model";
+import { Event } from "../models/acts/event.model";
+import { Request, Response, Router } from "express";
+import { Location } from "../models/locations/location.model";
+import { Genre } from "../models/acts/genre.model";
+import { City } from "../models/locations/city.model";
+
+export const events = Router()
+
+events.get("/", async (req: Request, res: Response) => {
+  let cityName = req.query.city
+  let genreName = req.query.genre
+  let cityFilter = {}
+  let genreFilter = {}
+
+  if (cityName != undefined) {
+    cityFilter = {
+      model: City,
+      where: { name: cityName }
+    }
+  } else {
+    cityFilter = {
+      model: City
+    }
+  }
+
+
+  if (genreName != undefined) {
+    genreFilter = {
+      model: Genre,
+      where: { name: genreName }
+    }
+  } else {
+    genreFilter = {
+      model: Genre
+    }
+  }
+
+  Event.findAll({
+    include: [
+      {
+        model: Concert,
+        include: [
+          {
+            model: Location,
+            include: [
+              cityFilter
+            ]
+          }
+        ]
+      },
+      {
+        model: Band,
+        include: [
+          genreFilter
+        ]
+      }
+    ]
+  })
+    .then(events => {
+      let resultArray = []
+
+      // Remove datasets which not fulfill the optional parameter
+      for (let event of events) {
+        if (event.dataValues.band != null) {
+          for (let concert of event.dataValues.concerts) {
+            if (concert.dataValues.location != null) {
+              resultArray.push(event)
+              break
+            }
+          }
+        }
+      }
+
+      res.status(200).json(resultArray)
+    })
+
+})