30 lines
1.3 KiB
TypeScript
30 lines
1.3 KiB
TypeScript
import { Job } from "npm:bullmq@5.45.2";
|
|
import { withDbConnection } from "db/withConnection.ts";
|
|
import { Client } from "https://deno.land/x/postgres@v0.19.3/mod.ts";
|
|
import { getVideosNearMilestone } from "db/snapshot.ts";
|
|
import { getAdjustedShortTermETA } from "mq/scheduling.ts";
|
|
import { truncate } from "utils/truncate.ts";
|
|
import { scheduleSnapshot } from "db/snapshotSchedule.ts";
|
|
import logger from "log/logger.ts";
|
|
import { HOUR, MINUTE, SECOND } from "@std/datetime";
|
|
|
|
export const dispatchMilestoneSnapshotsWorker = (_job: Job): Promise<void> =>
|
|
withDbConnection(async (client: Client) => {
|
|
const videos = await getVideosNearMilestone(client);
|
|
for (const video of videos) {
|
|
const aid = Number(video.aid);
|
|
const eta = await getAdjustedShortTermETA(client, aid);
|
|
if (eta > 144) continue;
|
|
const now = Date.now();
|
|
const scheduledNextSnapshotDelay = eta * HOUR;
|
|
const maxInterval = 4 * HOUR;
|
|
const minInterval = 1 * SECOND;
|
|
const delay = truncate(scheduledNextSnapshotDelay, minInterval, maxInterval);
|
|
const targetTime = now + delay;
|
|
await scheduleSnapshot(client, aid, "milestone", targetTime);
|
|
logger.log(`Scheduled milestone snapshot for aid ${aid} in ${(delay / MINUTE).toFixed(2)} mins.`, "mq");
|
|
}
|
|
}, (e) => {
|
|
logger.error(e as Error, "mq", "fn:dispatchMilestoneSnapshotsWorker");
|
|
});
|