git ssb

1
const nest = require('depnest')
2
const { h, computed, map, when, Dict, dictToCollection, Array: MutantArray, resolve } = require('mutant')
3
const pull = require('pull-stream')
4
const next = require('pull-next-step')
5
const get = require('lodash/get')
6
const isEmpty = require('lodash/isEmpty')
7
8
exports.gives = nest('app.html.context')
9
10
exports.needs = nest({
11
  'about.html.image': 'first',
12
  'about.obs.name': 'first',
13
  'feed.pull.private': 'first',
14
  'feed.pull.rollup': 'first',
15
  'keys.sync.id': 'first',
16
  'history.sync.push': 'first',
17
  'message.html.subject': 'first',
18
  'sbot.obs.localPeers': 'first',
19
  'translations.sync.strings': 'first',
20
})
21
22
23
exports.create = (api) => {
24
  return nest('app.html.context', (location) => {
25
26
    const strings = api.translations.sync.strings()
27
    const myKey = api.keys.sync.id()
28
29
    var nearby = api.sbot.obs.localPeers()
30
    var recentPeersContacted = Dict()
31
    // TODO - extract as contact.obs.recentPrivate or something
32
33
    pull(
34
      next(api.feed.pull.private, {reverse: true, limit: 100, live: false}, ['value', 'timestamp']),
35
      pull.filter(msg => msg.value.content.recps),
36
      pull.filter(msg => msg.value.content.type === 'post'), // TODO is this the best way to protect against votes?
37
      pull.drain(msg => {
38
        msg.value.content.recps
39
          .map(recp => typeof recp === 'object' ? recp.link : recp)
40
          .filter(recp => recp != myKey)
41
          .forEach(recp => {
42
            if (recentPeersContacted.has(recp)) return
43
44
            recentPeersContacted.put(recp, msg)
45
          })
46
      })
47
    )
48
49
    return h('Context -feed', [
50
      LevelOneContext(),
51
      LevelTwoContext()
52
    ])
53
54
    function LevelOneContext () {
55
56
      return h('div.level.-one', [
57
        // Nearby
58
        computed(nearby, n => !isEmpty(n) ? h('header', strings.peopleNearby) : null),
59
        map(nearby, feedId => Option({
60
          notifications: Math.random() > 0.7 ? Math.floor(Math.random()*9+1) : 0, // TODO 
61
          imageEl: api.about.html.image(feedId), // TODO make avatar
62
          label: api.about.obs.name(feedId),
63
          selected: location.feed === feedId,
64
          location: computed(recentPeersContacted, recent => {
65
            const lastMsg = recent[feedId]
66
            return lastMsg
67
              ? Object.assign(lastMsg, { feed: feedId })
68
              : { page: 'threadNew', feed: feedId }
69
          }),
70
        })),
71
        computed(nearby, n => !isEmpty(n) ?  h('hr') : null),
72
73
        // Discover
74
        Option({
75
          notifications: Math.floor(Math.random()*5+1),
76
          imageEl: h('i.fa.fa-binoculars'),
77
          label: strings.blogIndex.title,
78
          selected: ['blogIndex', 'home'].includes(location.page),
79
          location: { page: 'blogIndex' },
80
        }),
81
82
        // Recent Messages
83
        map(dictToCollection(recentPeersContacted), ({ key, value })  => { 
84
          const feedId = key()
85
          const lastMsg = value()
86
          if (nearby.has(feedId)) return
87
88
          return Option({
89
            notifications: Math.random() > 0.7 ? Math.floor(Math.random()*9+1) : 0, // TODO
90
            imageEl: api.about.html.image(feedId), // TODO make avatar
91
            label: api.about.obs.name(feedId),
92
            selected: location.feed === feedId,
93
            location: Object.assign(lastMsg, { feed: feedId }) // TODO make obs?
94
          })
95
        })
96
      ])
97
    }
98
99
    function LevelTwoContext () {
100
      const { key, value, feed: targetUser, page } = location
101
      const root = get(value, 'content.root', key)
102
      if (!targetUser) return
103
104
      var threads = MutantArray()
105
106
      pull(
107
        next(api.feed.pull.private, {reverse: true, limit: 100, live: false}, ['value', 'timestamp']),
108
        pull.filter(msg => msg.value.content.recps),
109
        pull.filter(msg => msg.value.content.recps
110
          .map(recp => typeof recp === 'object' ? recp.link : recp)
111
          .some(recp => recp === targetUser)
112
        ),
113
        api.feed.pull.rollup(),
114
        pull.drain(thread => threads.push(thread))
115
      )
116
117
      return h('div.level.-two', [
118
        Option({
119
          selected: page === 'threadNew',
120
          location: {page: 'threadNew', feed: targetUser},
121
          label: h('Button', strings.threadNew.action.new),
122
        }),
123
        map(threads, thread => { 
124
          return Option({
125
            label: api.message.html.subject(thread),
126
            selected: thread.key === root,
127
            location: Object.assign(thread, { feed: targetUser }),
128
          })
129
        })
130
      ])
131
    }
132
133
    function Option ({ notifications = 0, imageEl, label, location, selected }) {
134
      const className = selected ? '-selected' : '' 
135
      const goToLocation = () => {
136
        api.history.sync.push(resolve(location))
137
      }
138
139
      if (!imageEl) {
140
        return h('Option', { className, 'ev-click': goToLocation }, [
141
          h('div.label', label)
142
        ])
143
      }
144
145
      return h('Option', { className }, [
146
        h('div.circle', [
147
          when(notifications, h('div.alert', notifications)),
148
          imageEl
149
        ]),
150
        h('div.label', { 'ev-click': goToLocation }, label)
151
      ])
152
    }
153
  })
154
}
155
156