59 lines
1.5 KiB
TypeScript
59 lines
1.5 KiB
TypeScript
import { getLatestVideoAids } from "net/getLatestVideoAids.ts";
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import { videoExistsInAllData } from "db/bilibili_metadata.ts";
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import { sleep } from "utils/sleep.ts";
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import { SECOND } from "@core/const/time.ts";
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import logger from "@core/log/logger.ts";
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import { LatestVideosQueue } from "mq/index.ts";
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import type { Psql } from "@core/db/psql.d.ts";
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export async function queueLatestVideos(sql: Psql): Promise<number | null> {
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let page = 1;
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let i = 0;
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const videosFound = new Set();
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while (true) {
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const pageSize = page == 1 ? 10 : 30;
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const aids = await getLatestVideoAids(page, pageSize);
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if (aids.length == 0) {
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logger.verbose("No more videos found", "net", "fn:insertLatestVideos()");
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break;
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}
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let allExists = true;
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let delay = 0;
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for (const aid of aids) {
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const videoExists = await videoExistsInAllData(sql, aid);
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if (videoExists) {
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continue;
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}
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await LatestVideosQueue.add(
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"getVideoInfo",
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{ aid },
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{
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delay,
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attempts: 100,
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backoff: {
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type: "fixed",
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delay: SECOND * 5
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}
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}
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);
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videosFound.add(aid);
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allExists = false;
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delay += Math.random() * SECOND * 1.5;
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}
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i += aids.length;
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logger.log(
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`Page ${page} crawled, total: ${videosFound.size}/${i} videos added/observed.`,
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"net",
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"fn:queueLatestVideos()"
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);
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if (allExists) {
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return 0;
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}
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page++;
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const randomTime = Math.random() * 4000;
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const delta = SECOND;
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await sleep(randomTime + delta);
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}
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return 0;
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}
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