git ssb

1
const nest = require('depnest')
2
const h = require('mutant/h')
3
const when = require('mutant/when')
4
const computed = require('mutant/computed')
5
const send = require('mutant/send')
6
const normalizeChannel = require('ssb-ref').normalizeChannel
7
8
exports.needs = nest({
9
  'keys.sync.id': 'first',
10
  'app.navigate': 'first',
11
  'intl.sync.i18n': 'first',
12
  'intl.sync.i18n_n': 'first',
13
  'sheet.profiles': 'first',
14
  'channel.html.subscribeToggle': 'first',
15
  'channel.obs.subscribers': 'first',
16
  'contact.obs.following': 'first'
17
})
18
19
exports.gives = nest('channel.html.preview')
20
21
exports.create = function (api) {
22
  const i18n = api.intl.sync.i18n
23
  const plural = api.intl.sync.i18n_n
24
25
  return nest('channel.html.preview', function (id) {
26
    const yourId = api.keys.sync.id()
27
    const channel = normalizeChannel(id)
28
    let target = '#' + channel
29
    try {
30
      target = decodeURIComponent(target)
31
    } catch (e) {
32
      // Safely ignore because it wasn't URI-encoded. :)
33
    }
34
    const subscribers = api.channel.obs.subscribers(id)
35
    const following = api.contact.obs.following(yourId)
36
    const followingSubscribers = computed([subscribers, following], (a, b) => {
37
      return a.filter(v => b.includes(v))
38
    })
39
    const followingSubscriberCount = computed(followingSubscribers, x => x.length)
40
41
    return h('ProfilePreview', [
42
      h('header', [
43
        h('div.main', [
44
          h('div.title', [
45
            h('h1', [
46
              h('a', { href: '#', 'ev-click': () => api.app.navigate(target) }, [target])
47
            ]),
48
            h('div.meta', [
49
              api.channel.html.subscribeToggle(channel)
50
            ])
51
          ])
52
        ])
53
      ]),
54
55
      when(followingSubscriberCount,
56
        h('section -mutualFriends', [
57
          h('a', {
58
            href: '#',
59
            'ev-click': send(displaySubscribingFriends, followingSubscribers)
60
          }, [
61
            '👥 ', computed(['You follow %s people that subscribe to this channel.', followingSubscriberCount], plural)
62
          ])
63
        ])
64
      )
65
    ])
66
  })
67
68
  function displaySubscribingFriends (profiles) {
69
    api.sheet.profiles(profiles, i18n('People you follow that subscribe to this channel'))
70
  }
71
}
72