git ssb

1
var h = require('mutant/h')
2
var isString= require('lodash/isString')
3
var maxBy= require('lodash/maxBy')
4
var nest = require('depnest')
5
6
exports.gives = nest('app.html.threadCard', true)
7
8
exports.needs = nest({
9
  'keys.sync.id': 'first',
10
  'history.sync.push': 'first',
11
  'about.obs.name': 'first',
12
  'about.html.image': 'first',
13
  'message.html.markdown': 'first',
14
  'translations.sync.strings': 'first'
15
})
16
17
function firstLine (text) {
18
  if(text.length < 80 && !~text.indexOf('\n')) return text
19
20
  //get the first non-empty line
21
  var line = text.trim().split('\n').shift().trim()
22
23
  //always break on a space, so that links are preserved.
24
  const leadingMentionsLength = countLeadingMentions(line)
25
  const i = line.indexOf(' ', leadingMentionsLength + 80)
26
  var sample = line.substring(0, ~i ? i : line.length)
27
28
  const ellipsis = (sample.length < line.length) ? '...' : ''
29
  return sample + ellipsis
30
}
31
32
function countLeadingMentions (str) {
33
  return str.match(/^(\s*\[@[^\)]+\)\s*)*/)[0].length
34
  // matches any number of pattern " [@...)  " from start of line
35
}
36
37
exports.create = function (api) {
38
39
  //render the icon for a thread.
40
  //it would be more depjecty to split this
41
  //into two methods, one in a private plugin
42
  //one in a channel plugin
43
  function threadIcon (msg) {
44
    if(msg.value.private) {
45
      const myId = api.keys.sync.id()
46
47
      return msg.value.content.recps
48
        .map(link => isString(link) ? link : link.link)
49
        .filter(link => link !== myId)
50
        .map(api.about.html.image)
51
    }
52
    else if(msg.value.content.channel)
53
      return '#'+msg.value.content.channel
54
  }
55
56
57
  // REFACTOR: move this to a template?
58
  function buildRecipientNames (thread) {
59
    const myId = api.keys.sync.id()
60
61
    return thread.value.content.recps
62
      .map(link => isString(link) ? link : link.link)
63
      .filter(link => link !== myId)
64
      .map(api.about.obs.name)
65
  }
66
67
  function subject (msg) {
68
    const { subject, text } = msg.value.content
69
    if(!(subject || text)) return
70
    return api.message.html.markdown(firstLine(subject|| text))
71
  }
72
73
  return {app: {html: {threadCard: function (thread, opts = {}) {
74
    var strings = api.translations.sync.strings()
75
76
    if(!thread.value) return
77
    if(!thread.value.content.text) return
78
79
    const subjectEl = h('div.subject', [
80
      opts.nameRecipients
81
        ?  h('div.recps', buildRecipientNames(thread).map(recp => h('div.recp', recp)))
82
        : null,
83
      subject(thread)
84
    ])
85
86
    const lastReply = thread.replies && maxBy(thread.replies, r => r.timestamp)
87
    const replySample = lastReply ? subject(lastReply) : null
88
89
    const onClick = opts.onClick || function () { api.history.sync.push(thread) }
90
    const id = `${thread.key.replace(/[^a-z0-9]/gi, '')}` //-${JSON.stringify(opts)}`
91
    // id is only here to help morphdom morph accurately
92
93
    return h('ThreadCard', { 'ev-click': onClick, id }, [
94
      h('div.context', threadIcon(thread)),
95
      h('div.content', [
96
        subjectEl,
97
        replySample ? h('div.reply', [
98
          h('i.fa.fa-caret-left'),
99
          replySample
100
        ]) : null
101
      ])
102
    ])
103
  }}}}
104
}
105
106
107