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2d3741d6 | 1 | import * as express from 'express' |
4c7e60bc C |
2 | import * as memoizee from 'memoizee' |
3 | import { logger } from '@server/helpers/logger' | |
64f9b91d MW |
4 | import { Hooks } from '@server/lib/plugins/hooks' |
5 | import { VideoModel } from '@server/models/video/video' | |
4c7e60bc | 6 | import { CategoryOverview, ChannelOverview, TagOverview, VideosOverview } from '../../../shared/models/overviews' |
2d3741d6 | 7 | import { buildNSFWFilter } from '../../helpers/express-utils' |
4c7e60bc | 8 | import { MEMOIZE_TTL, OVERVIEWS } from '../../initializers/constants' |
764a9657 | 9 | import { asyncMiddleware, optionalAuthenticate, videosOverviewValidator } from '../../middlewares' |
2d3741d6 | 10 | import { TagModel } from '../../models/video/tag' |
2d3741d6 C |
11 | |
12 | const overviewsRouter = express.Router() | |
13 | ||
14 | overviewsRouter.get('/videos', | |
764a9657 C |
15 | videosOverviewValidator, |
16 | optionalAuthenticate, | |
2d3741d6 C |
17 | asyncMiddleware(getVideosOverview) |
18 | ) | |
19 | ||
20 | // --------------------------------------------------------------------------- | |
21 | ||
22 | export { overviewsRouter } | |
23 | ||
24 | // --------------------------------------------------------------------------- | |
25 | ||
4b5384f6 C |
26 | const buildSamples = memoizee(async function () { |
27 | const [ categories, channels, tags ] = await Promise.all([ | |
28 | VideoModel.getRandomFieldSamples('category', OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD, OVERVIEWS.VIDEOS.SAMPLES_COUNT), | |
a1587156 | 29 | VideoModel.getRandomFieldSamples('channelId', OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD, OVERVIEWS.VIDEOS.SAMPLES_COUNT), |
4b5384f6 C |
30 | TagModel.getRandomSamples(OVERVIEWS.VIDEOS.SAMPLE_THRESHOLD, OVERVIEWS.VIDEOS.SAMPLES_COUNT) |
31 | ]) | |
32 | ||
764a9657 C |
33 | const result = { categories, channels, tags } |
34 | ||
35 | logger.debug('Building samples for overview endpoint.', { result }) | |
36 | ||
37 | return result | |
4b5384f6 C |
38 | }, { maxAge: MEMOIZE_TTL.OVERVIEWS_SAMPLE }) |
39 | ||
2d3741d6 C |
40 | // This endpoint could be quite long, but we cache it |
41 | async function getVideosOverview (req: express.Request, res: express.Response) { | |
42 | const attributes = await buildSamples() | |
7348b1fd | 43 | |
764a9657 C |
44 | const page = req.query.page || 1 |
45 | const index = page - 1 | |
46 | ||
47 | const categories: CategoryOverview[] = [] | |
48 | const channels: ChannelOverview[] = [] | |
49 | const tags: TagOverview[] = [] | |
50 | ||
51 | await Promise.all([ | |
52 | getVideosByCategory(attributes.categories, index, res, categories), | |
53 | getVideosByChannel(attributes.channels, index, res, channels), | |
54 | getVideosByTag(attributes.tags, index, res, tags) | |
7348b1fd C |
55 | ]) |
56 | ||
2d3741d6 | 57 | const result: VideosOverview = { |
7348b1fd C |
58 | categories, |
59 | channels, | |
60 | tags | |
2d3741d6 C |
61 | } |
62 | ||
2d3741d6 C |
63 | return res.json(result) |
64 | } | |
65 | ||
764a9657 C |
66 | async function getVideosByTag (tagsSample: string[], index: number, res: express.Response, acc: TagOverview[]) { |
67 | if (tagsSample.length <= index) return | |
68 | ||
69 | const tag = tagsSample[index] | |
2d3741d6 C |
70 | const videos = await getVideos(res, { tagsOneOf: [ tag ] }) |
71 | ||
764a9657 | 72 | if (videos.length === 0) return |
2d3741d6 | 73 | |
764a9657 | 74 | acc.push({ |
2d3741d6 C |
75 | tag, |
76 | videos | |
764a9657 | 77 | }) |
2d3741d6 C |
78 | } |
79 | ||
764a9657 C |
80 | async function getVideosByCategory (categoriesSample: number[], index: number, res: express.Response, acc: CategoryOverview[]) { |
81 | if (categoriesSample.length <= index) return | |
82 | ||
83 | const category = categoriesSample[index] | |
2d3741d6 C |
84 | const videos = await getVideos(res, { categoryOneOf: [ category ] }) |
85 | ||
764a9657 | 86 | if (videos.length === 0) return |
2d3741d6 | 87 | |
764a9657 | 88 | acc.push({ |
2d3741d6 C |
89 | category: videos[0].category, |
90 | videos | |
764a9657 | 91 | }) |
2d3741d6 C |
92 | } |
93 | ||
764a9657 C |
94 | async function getVideosByChannel (channelsSample: number[], index: number, res: express.Response, acc: ChannelOverview[]) { |
95 | if (channelsSample.length <= index) return | |
96 | ||
97 | const channelId = channelsSample[index] | |
2d3741d6 C |
98 | const videos = await getVideos(res, { videoChannelId: channelId }) |
99 | ||
764a9657 | 100 | if (videos.length === 0) return |
2d3741d6 | 101 | |
764a9657 | 102 | acc.push({ |
2d3741d6 C |
103 | channel: videos[0].channel, |
104 | videos | |
764a9657 | 105 | }) |
2d3741d6 C |
106 | } |
107 | ||
108 | async function getVideos ( | |
109 | res: express.Response, | |
110 | where: { videoChannelId?: number, tagsOneOf?: string[], categoryOneOf?: number[] } | |
111 | ) { | |
d1aed103 | 112 | const query = await Hooks.wrapObject({ |
2d3741d6 | 113 | start: 0, |
0f4905e1 | 114 | count: 12, |
2d3741d6 C |
115 | sort: '-createdAt', |
116 | includeLocalVideos: true, | |
117 | nsfw: buildNSFWFilter(res), | |
52a350a1 | 118 | user: res.locals.oauth ? res.locals.oauth.token.User : undefined, |
fe987656 | 119 | withFiles: false, |
d1aed103 | 120 | countVideos: false, |
7348b1fd | 121 | |
d1aed103 C |
122 | ...where |
123 | }, 'filter:api.overviews.videos.list.params') | |
64f9b91d MW |
124 | |
125 | const { data } = await Hooks.wrapPromiseFun( | |
126 | VideoModel.listForApi, | |
127 | query, | |
128 | 'filter:api.overviews.videos.list.result' | |
129 | ) | |
2d3741d6 C |
130 | |
131 | return data.map(d => d.toFormattedJSON()) | |
132 | } |