aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/controllers/feeds.ts
blob: ece5dc067b17266dde84c96ad4506e742f6f00a3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
import * as express from 'express'
import { CONFIG, FEEDS, ROUTE_CACHE_LIFETIME } from '../initializers/constants'
import { asyncMiddleware, setDefaultSort, videoCommentsFeedsValidator, videoFeedsValidator, videosSortValidator } from '../middlewares'
import { VideoModel } from '../models/video/video'
import * as Feed from 'pfeed'
import { AccountModel } from '../models/account/account'
import { cacheRoute } from '../middlewares/cache'
import { VideoChannelModel } from '../models/video/video-channel'
import { VideoCommentModel } from '../models/video/video-comment'

const feedsRouter = express.Router()

feedsRouter.get('/feeds/video-comments.:format',
  asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.FEEDS)),
  asyncMiddleware(videoCommentsFeedsValidator),
  asyncMiddleware(generateVideoCommentsFeed)
)

feedsRouter.get('/feeds/videos.:format',
  videosSortValidator,
  setDefaultSort,
  asyncMiddleware(cacheRoute(ROUTE_CACHE_LIFETIME.FEEDS)),
  asyncMiddleware(videoFeedsValidator),
  asyncMiddleware(generateVideoFeed)
)

// ---------------------------------------------------------------------------

export {
  feedsRouter
}

// ---------------------------------------------------------------------------

async function generateVideoCommentsFeed (req: express.Request, res: express.Response, next: express.NextFunction) {
  const start = 0

  const video = res.locals.video as VideoModel
  const videoId: number = video ? video.id : undefined

  const comments = await VideoCommentModel.listForFeed(start, FEEDS.COUNT, videoId)

  const name = video ? video.name : CONFIG.INSTANCE.NAME
  const description = video ? video.description : CONFIG.INSTANCE.DESCRIPTION
  const feed = initFeed(name, description)

  // Adding video items to the feed, one at a time
  comments.forEach(comment => {
    feed.addItem({
      title: `${comment.Video.name} - ${comment.Account.getDisplayName()}`,
      id: comment.url,
      link: comment.url,
      content: comment.text,
      author: [
        {
          name: comment.Account.getDisplayName(),
          link: comment.Account.Actor.url
        }
      ],
      date: comment.createdAt
    })
  })

  // Now the feed generation is done, let's send it!
  return sendFeed(feed, req, res)
}

async function generateVideoFeed (req: express.Request, res: express.Response, next: express.NextFunction) {
  const start = 0

  const account: AccountModel = res.locals.account
  const videoChannel: VideoChannelModel = res.locals.videoChannel
  const hideNSFW = CONFIG.INSTANCE.DEFAULT_NSFW_POLICY === 'do_not_list'

  let name: string
  let description: string

  if (videoChannel) {
    name = videoChannel.getDisplayName()
    description = videoChannel.description
  } else if (account) {
    name = account.getDisplayName()
    description = account.description
  } else {
    name = CONFIG.INSTANCE.NAME
    description = CONFIG.INSTANCE.DESCRIPTION
  }

  const feed = initFeed(name, description)

  const resultList = await VideoModel.listForApi({
    start,
    count: FEEDS.COUNT,
    sort: req.query.sort,
    hideNSFW,
    filter: req.query.filter,
    withFiles: true,
    accountId: account ? account.id : null,
    videoChannelId: videoChannel ? videoChannel.id : null
  })

  // Adding video items to the feed, one at a time
  resultList.data.forEach(video => {
    const formattedVideoFiles = video.getFormattedVideoFilesJSON()
    const torrents = formattedVideoFiles.map(videoFile => ({
      title: video.name,
      url: videoFile.torrentUrl,
      size_in_bytes: videoFile.size
    }))

    feed.addItem({
      title: video.name,
      id: video.url,
      link: video.url,
      description: video.getTruncatedDescription(),
      content: video.description,
      author: [
        {
          name: video.VideoChannel.Account.getDisplayName(),
          link: video.VideoChannel.Account.Actor.url
        }
      ],
      date: video.publishedAt,
      language: video.language,
      nsfw: video.nsfw,
      torrent: torrents
    })
  })

  // Now the feed generation is done, let's send it!
  return sendFeed(feed, req, res)
}

function initFeed (name: string, description: string) {
  const webserverUrl = CONFIG.WEBSERVER.URL

  return new Feed({
    title: name,
    description,
    // updated: TODO: somehowGetLatestUpdate, // optional, default = today
    id: webserverUrl,
    link: webserverUrl,
    image: webserverUrl + '/client/assets/images/icons/icon-96x96.png',
    favicon: webserverUrl + '/client/assets/images/favicon.png',
    copyright: `All rights reserved, unless otherwise specified in the terms specified at ${webserverUrl}/about` +
    ` and potential licenses granted by each content's rightholder.`,
    generator: `Toraifōsu`, // ^.~
    feedLinks: {
      json: `${webserverUrl}/feeds/videos.json`,
      atom: `${webserverUrl}/feeds/videos.atom`,
      rss: `${webserverUrl}/feeds/videos.xml`
    },
    author: {
      name: 'Instance admin of ' + CONFIG.INSTANCE.NAME,
      email: CONFIG.ADMIN.EMAIL,
      link: `${webserverUrl}/about`
    }
  })
}

function sendFeed (feed, req: express.Request, res: express.Response) {
  const format = req.params.format

  if (format === 'atom' || format === 'atom1') {
    res.set('Content-Type', 'application/atom+xml')
    return res.send(feed.atom1()).end()
  }

  if (format === 'json' || format === 'json1') {
    res.set('Content-Type', 'application/json')
    return res.send(feed.json1()).end()
  }

  if (format === 'rss' || format === 'rss2') {
    res.set('Content-Type', 'application/rss+xml')
    return res.send(feed.rss2()).end()
  }

  // We're in the ambiguous '.xml' case and we look at the format query parameter
  if (req.query.format === 'atom' || req.query.format === 'atom1') {
    res.set('Content-Type', 'application/atom+xml')
    return res.send(feed.atom1()).end()
  }

  res.set('Content-Type', 'application/rss+xml')
  return res.send(feed.rss2()).end()
}