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simplify events

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ntr committed 2023-01-23 18:42:41 +11:00
1 parent 5b0c7c05ca
commit 84a19fbde3
2 files changed
+33 -29
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api/src/events.ts
+32 -27
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@@ -23,6 +23,10 @@ export default function createEvents(log: Log, pg: Pg, discogs, offers) {
const events = new EventEmitter({ captureRejections: true });
const connections = new Map<UUID, Rpc>();
events.on('error', function eventError(e) {
log.error('event error', e);
});
async function populateListings(want: Want) {
try {
const listings = await discogs.listings(want);
@@ -37,61 +41,62 @@ export default function createEvents(log: Log, pg: Pg, discogs, offers) {
}
}
events.on('error', function eventError(e) {
log.error('event error', e);
});
async function updateWantListings(wants: Want[]) {
for (const want of wants) {
const listings = await populateListings(want);
log.info({ listings: listings.length, ...wantDetails(want) }, 'listings found');
events.emit(Events.ListingsUpdated);
await offers.generate();
log.info('offers updated');
await notifyUser(want.userId);
}
log.info({ wants: wants.length }, 'finished syncing');
}
async function notifyUser(id: UUID) {
const rpc = connections.get(id);
if (!rpc) return null;
rpc.pushUserWants();
rpc.pushUserOffers();
};
events.on(Events.WantsAdded, async function wantsAdded(wants: Want[]) {
log.info({ event: Events.WantsAdded, wants: wants.map(w => wantDetails(w)) }, 'starting listings population');
await updateWantListings(wants);
log.info({ event: Events.WantsAdded, wants: wants.map(w => wantDetails(w)) }, 'finished populating listings');
events.emit(Events.ListingsUpdated);
});
events.on(Events.Sync, async function sync() {
const wants = await pg.wantsToSync();
log.info({ event: Events.Sync, wants: wants.length });
await updateWantListings(wants);
events.emit(Events.ListingsUpdated);
});
events.on(Events.ListingsUpdated, async function listingsUpdated() {
const updatedOffers = await offers.generate()
log.debug({ offers: updatedOffers.length }, 'offers up to date');
for (const [id, rpc] of connections) {
rpc.pushUserOffers();
}
});
// events.on(Events.ListingsUpdated, async function listingsUpdated() {
// const updatedOffers = await offers.generate()
// log.debug({ offers: updatedOffers.length }, 'offers up to date');
// });
events.on(Events.Connection, async function onConnection({ rpc, id }) {
log.debug('new rpc connection', { id, rpc });
connections.set(id, rpc);
})
events.on(Events.OffersUpdated, async function onOffersUpdated(offer: Offer) {
const rpc = connections.get(offer.userId);
if (!rpc) return null;
log.debug({ event: Events.OffersUpdated, rpc, offer });
return rpc.pushUserOffers();
});
// emitted by listen/notify
// disabled for now
// events.on(Events.OffersUpdated, async function onOffersUpdated(offer: Offer) {
// const rpc = connections.get(offer.userId);
// if (!rpc) return null;
// log.debug({ event: Events.OffersUpdated, rpc, offer });
// return rpc.pushUserOffers();
// });
events.on(Events.WantsUpdated, async function onWantsUpdated(want: Want) {
const rpc = connections.get(want.userId);
if (!rpc) return null;
log.debug({ event: Events.WantsUpdated, rpc, want });
return rpc.pushUserWants();
});
// events.on(Events.WantsUpdated, async function onWantsUpdated(want: Want) {
// const rpc = connections.get(want.userId);
// if (!rpc) return null;
// log.debug({ event: Events.WantsUpdated, rpc, want });
// return rpc.pushUserWants();
// });
return events;
}