mirror of https://github.com/Chocobozzz/PeerTube
98 lines
3.0 KiB
TypeScript
98 lines
3.0 KiB
TypeScript
import * as express from 'express'
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import { buildNSFWFilter } from '../../helpers/express-utils'
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import { VideoModel } from '../../models/video/video'
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import { asyncMiddleware } from '../../middlewares'
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import { TagModel } from '../../models/video/tag'
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import { VideosOverview } from '../../../shared/models/overviews'
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import { OVERVIEWS, ROUTE_CACHE_LIFETIME } from '../../initializers'
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import { cacheRoute } from '../../middlewares/cache'
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const overviewsRouter = express.Router()
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overviewsRouter.get('/videos',
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asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.OVERVIEWS.VIDEOS)),
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asyncMiddleware(getVideosOverview)
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)
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// ---------------------------------------------------------------------------
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export { overviewsRouter }
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// ---------------------------------------------------------------------------
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// This endpoint could be quite long, but we cache it
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async function getVideosOverview (req: express.Request, res: express.Response) {
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const attributes = await buildSamples()
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const result: VideosOverview = {
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categories: await Promise.all(attributes.categories.map(c => getVideosByCategory(c, res))),
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channels: await Promise.all(attributes.channels.map(c => getVideosByChannel(c, res))),
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tags: await Promise.all(attributes.tags.map(t => getVideosByTag(t, res)))
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}
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// Cleanup our object
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for (const key of Object.keys(result)) {
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result[key] = result[key].filter(v => v !== undefined)
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}
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return res.json(result)
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}
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async function buildSamples () {
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const [ categories, channels, tags ] = await Promise.all([
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VideoModel.getRandomFieldSamples('category', OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD, OVERVIEWS.VIDEOS.SAMPLES_COUNT),
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VideoModel.getRandomFieldSamples('channelId', OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD ,OVERVIEWS.VIDEOS.SAMPLES_COUNT),
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TagModel.getRandomSamples(OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD, OVERVIEWS.VIDEOS.SAMPLES_COUNT)
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])
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return { categories, channels, tags }
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}
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async function getVideosByTag (tag: string, res: express.Response) {
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const videos = await getVideos(res, { tagsOneOf: [ tag ] })
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if (videos.length === 0) return undefined
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return {
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tag,
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videos
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}
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}
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async function getVideosByCategory (category: number, res: express.Response) {
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const videos = await getVideos(res, { categoryOneOf: [ category ] })
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if (videos.length === 0) return undefined
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return {
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category: videos[0].category,
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videos
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}
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}
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async function getVideosByChannel (channelId: number, res: express.Response) {
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const videos = await getVideos(res, { videoChannelId: channelId })
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if (videos.length === 0) return undefined
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return {
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channel: videos[0].channel,
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videos
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}
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}
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async function getVideos (
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res: express.Response,
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where: { videoChannelId?: number, tagsOneOf?: string[], categoryOneOf?: number[] }
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) {
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const { data } = await VideoModel.listForApi(Object.assign({
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start: 0,
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count: 10,
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sort: '-createdAt',
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includeLocalVideos: true,
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nsfw: buildNSFWFilter(res),
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withFiles: false
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}, where))
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return data.map(d => d.toFormattedJSON())
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}
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