Files
cloud-cap-samples/media-store/srv/browse-tracks-service.js

39 lines
1.2 KiB
JavaScript

const cds = require("@sap/cds");
const selectTracksByEmail = (email) => `
select tracks.ID
from sap_capire_media_store_Tracks tracks
join sap_capire_media_store_Invoices invoices
on tracks.ID = invoiceItems.track_ID
join sap_capire_media_store_InvoiceItems invoiceItems
on invoices.ID = invoiceItems.invoice_ID
join sap_capire_media_store_Customers customers
on customers.ID = invoices.customer_ID
where (customers.email='${email}' and invoices.status='2')
or (customers.email='${email}' and invoices.status='1')
`;
module.exports = async function () {
const db = await cds.connect.to("db"); // connect to database service
// this.before("READ", "MarkedTracks", (req) => {
// if (!req.user.is("customer")) {
// req.reject(403);
// }
// });
this.on("READ", "MarkedTracks", async (req) => {
const myTrackIds = (await db.run(selectTracksByEmail(req.user.id))).map(
({ ID }) => ID
);
const result = [];
await db.foreach(req.query, (track) => {
result.push({
...track,
alreadyOrdered: myTrackIds.includes(track.ID),
});
});
return result;
});
};