add custom authentication checks

media-store/srv/manage-store-service.js

@@ -3,24 +3,24 @@ const cds = require("@sap/cds");
 module.exports = async function () {
   const db = await cds.connect.to("db"); // connect to database service
 
-  const { Genres, Albums } = db.entities;
+  const { Albums, Tracks, Artists } = db.entities;
 
-  this.before("*", (req) => {
-    console.log(
-      "[USER]:",
-      req.user.id,
-      " [LEVEL]: ",
-      req.user.attr.level,
-      "[ROLE]",
-      req.user.is("user") ? "user" : "other"
+  this.before("CREATE", "Tracks", async (req) => {
+    let { ID: lastTrackId } = await db.run(
+      SELECT.one(Tracks).columns("ID").orderBy({ ID: "desc" })
     );
+    req.data = { ...req.data, ID: ++lastTrackId };
   });
-
-  this.on("addTrack", async (req) => {
-    const { albumTitle, genreName, name: trackName, composer } = req.data;
-
-    const genre = await db.run(SELECT.one(Genres).where({ name: genreName }));
-    const album = await db.run(SELECT.one(Albums).where({ title: albumTitle }));
-    // todo impl
+  this.before("CREATE", "Artists", async (req) => {
+    let { ID: lastArtistId } = await db.run(
+      SELECT.one(Artists).columns("ID").orderBy({ ID: "desc" })
+    );
+    req.data = { ...req.data, ID: ++lastArtistId };
+  });
+  this.before("CREATE", "Albums", async (req) => {
+    let { ID: lastAlbumId } = await db.run(
+      SELECT.one(Albums).columns("ID").orderBy({ ID: "desc" })
+    );
+    req.data = { ...req.data, ID: ++lastAlbumId };
   });
 };