cvsa/packages/core/db/videoSnapshot.ts

63 lines
1.7 KiB
TypeScript

import type { Client } from "https://deno.land/x/postgres@v0.19.3/mod.ts";
import type { VideoSnapshotType } from "./schema.d.ts";
export async function getVideoSnapshots(
client: Client,
aid: number,
limit: number,
pageOrOffset: number,
reverse: boolean,
mode: "page" | "offset" = "page",
) {
const offset = mode === "page" ? (pageOrOffset - 1) * limit : pageOrOffset;
const queryDesc: string = `
SELECT *
FROM video_snapshot
WHERE aid = $1
ORDER BY created_at DESC
LIMIT $2
OFFSET $3
`;
const queryAsc: string = `
SELECT *
FROM video_snapshot
WHERE aid = $1
ORDER BY created_at
LIMIT $2 OFFSET $3
`;
const query = reverse ? queryAsc : queryDesc;
const queryResult = await client.queryObject<VideoSnapshotType>(query, [aid, limit, offset]);
return queryResult.rows;
}
export async function getVideoSnapshotsByBV(
client: Client,
bv: string,
limit: number,
pageOrOffset: number,
reverse: boolean,
mode: "page" | "offset" = "page",
) {
const offset = mode === "page" ? (pageOrOffset - 1) * limit : pageOrOffset;
const queryAsc = `
SELECT vs.*
FROM video_snapshot vs
JOIN bilibili_metadata bm ON vs.aid = bm.aid
WHERE bm.bvid = $1
ORDER BY vs.created_at
LIMIT $2
OFFSET $3
`;
const queryDesc: string = `
SELECT *
FROM video_snapshot vs
JOIN bilibili_metadata bm ON vs.aid = bm.aid
WHERE bm.bvid = $1
ORDER BY vs.created_at DESC
LIMIT $2 OFFSET $3
`;
const query = reverse ? queryAsc : queryDesc;
const queryResult = await client.queryObject<VideoSnapshotType>(query, [bv, limit, offset]);
return queryResult.rows;
}