git ssb

1
var h = require('mutant/h')
2
var when = require('mutant/when')
3
var send = require('mutant/send')
4
var resolve = require('mutant/resolve')
5
var Value = require('mutant/value')
6
var computed = require('mutant/computed')
7
var nest = require('depnest')
8
var mentions = require('ssb-mentions')
9
var extend = require('xtend')
10
var addSuggest = require('suggest-box')
11
var emoji = require('emojilib')
12
var ref = require('ssb-ref')
13
14
exports.needs = nest({
15
  'blob.html.input': 'first',
16
  'profile.async.suggest': 'first',
17
  'channel.async.suggest': 'first',
18
  'message.async.publish': 'first',
19
  'emoji.sync.names': 'first',
20
  'emoji.sync.url': 'first',
21
  'intl.sync.i18n': 'first'
22
})
23
24
exports.gives = nest('message.html.compose')
25
26
exports.create = function (api) {
27
  const i18n = api.intl.sync.i18n
28
  return nest('message.html.compose', function ({shrink = true, isPrivate, participants, meta, hooks, prepublish, placeholder = 'Write a message'}, cb) {
29
    var files = []
30
    var filesById = {}
31
    var focused = Value(false)
32
    var hasContent = Value(false)
33
    var publishing = Value(false)
34
    var getProfileSuggestions = api.profile.async.suggest()
35
    var getChannelSuggestions = api.channel.async.suggest()
36
37
    var blurTimeout = null
38
39
    var expanded = computed([shrink, focused, hasContent], (shrink, focused, hasContent) => {
40
      if (!shrink || hasContent) {
41
        return true
42
      } else {
43
        return focused
44
      }
45
    })
46
47
    var textArea = h('textarea', {
48
      'ev-input': function () {
49
        hasContent.set(!!textArea.value)
50
      },
51
      'ev-blur': () => {
52
        clearTimeout(blurTimeout)
53
        blurTimeout = setTimeout(() => focused.set(false), 200)
54
      },
55
      'ev-focus': send(focused.set, true),
56
      disabled: publishing,
57
      placeholder
58
    })
59
60
    var warningMessage = Value(null)
61
    var warning = h('section.warning',
62
      { className: when(warningMessage, '-open', '-closed') },
63
      [
64
        h('div.warning', warningMessage),
65
        h('div.close', { 'ev-click': () => warningMessage.set(null) }, 'x')
66
      ]
67
    )
68
    var fileInput = api.blob.html.input(file => {
69
      const megabytes = file.size / 1024 / 1024
70
      if (megabytes >= 5) {
71
        const rounded = Math.floor(megabytes * 100) / 100
72
        warningMessage.set([
73
          h('i.fa.fa-exclamation-triangle'),
74
          h('strong', file.name),
75
          ` is ${rounded}MB - the current limit is 5MB`
76
        ])
77
        return
78
      }
79
80
      files.push(file)
81
82
      var blob = ref.parseBlob(file.link)
83
      filesById[blob.id] = file
84
85
      var embed = isEmbeddable(file.type) ? '!' : ''
86
      var pos = textArea.selectionStart
87
      var before = textArea.value.slice(0, pos)
88
      var after = textArea.value.slice(pos)
89
90
      var spacer = embed ? '\n' : ' '
91
      if (before && !before.endsWith(spacer)) before += spacer
92
      if (!after.startsWith(spacer)) after = spacer + after
93
94
      var embedPrefix = getEmbedPrefix(file.type)
95
96
      textArea.value = `${before}${embed}[${embedPrefix}${file.name}](${file.link})${after}`
97
      console.log('added:', file)
98
    }, {
99
      private: isPrivate
100
    })
101
102
    fileInput.onclick = function () {
103
      hasContent.set(true)
104
    }
105
106
    var publishBtn = h('button', {
107
      'ev-click': publish,
108
      classList: [
109
        when(isPrivate, '-private')
110
      ],
111
      disabled: publishing
112
    }, when(publishing,
113
      i18n('Publishing...'),
114
      when(isPrivate, i18n('Publish Privately'), i18n('Publish'))
115
    ))
116
117
    var actions = h('section.actions', [
118
      fileInput,
119
      publishBtn
120
    ])
121
122
    var composer = h('Compose', {
123
      hooks,
124
      classList: [
125
        when(expanded, '-expanded', '-contracted')
126
      ]
127
    }, [
128
      textArea,
129
      warning,
130
      actions
131
    ])
132
133
    composer.focus = function () {
134
      textArea.focus()
135
    }
136
137
    composer.setText = function (value) {
138
      textArea.value = value
139
      hasContent.set(!!textArea.value)
140
    }
141
142
    addSuggest(textArea, (inputText, cb) => {
143
      if (inputText[0] === '@') {
144
        cb(null, getProfileSuggestions(inputText.slice(1), resolve(participants)))
145
      } else if (inputText[0] === '#') {
146
        cb(null, getChannelSuggestions(inputText.slice(1)))
147
      } else if (inputText[0] === ':') {
148
        // suggest emojis
149
        var word = inputText.slice(1)
150
        if (word[word.length - 1] === ':') {
151
          word = word.slice(0, -1)
152
        }
153
        cb(null, suggestEmoji(word).slice(0, 100).map(function (emoji) {
154
          return {
155
            image: api.emoji.sync.url(emoji),
156
            title: emoji,
157
            subtitle: emoji,
158
            value: ':' + emoji + ':'
159
          }
160
        }))
161
      }
162
    }, {cls: 'SuggestBox'})
163
164
    return composer
165
166
    // scoped
167
168
    function publish () {
169
      publishing.set(true)
170
171
      var content = extend(resolve(meta), {
172
        text: textArea.value,
173
        mentions: mentions(textArea.value).map(mention => {
174
          // merge markdown-detected mention with file info
175
          var file = filesById[mention.link]
176
          if (file) {
177
            if (file.type) mention.type = file.type
178
            if (file.size) mention.size = file.size
179
          }
180
          return mention
181
        })
182
      })
183
184
      try {
185
        if (typeof prepublish === 'function') {
186
          content = prepublish(content)
187
        }
188
      } catch (err) {
189
        return done(err)
190
      }
191
192
      return api.message.async.publish(content, done)
193
194
      function done (err, msg) {
195
        publishing.set(false)
196
        if (err) {
197
          if (cb) cb(err)
198
          else {
199
            showDialog({
200
              type: 'error',
201
              title: i18n('Error'),
202
              buttons: [i18n('OK')],
203
              message: i18n('An error occured while publishing your message.'),
204
              detail: err.message
205
            })
206
          }
207
        } else {
208
          if (msg) textArea.value = ''
209
          if (cb) cb(null, msg)
210
        }
211
      }
212
    }
213
  })
214
215
  function suggestEmoji (prefix) {
216
    var availableEmoji = api.emoji.sync.names()
217
    return emoji.ordered.filter(key => {
218
      if (!availableEmoji.includes(key)) return false
219
      return key.startsWith(prefix) || key.includes('_' + prefix) || emoji.lib[key].keywords.some(word => word.startsWith(prefix) || word.startsWith(':' + prefix))
220
    })
221
  }
222
}
223
224
function showDialog (opts) {
225
  var electron = require('electron')
226
  electron.remote.dialog.showMessageBox(electron.remote.getCurrentWindow(), opts)
227
}
228
229
function isEmbeddable (type) {
230
  return type.startsWith('image/') || type.startsWith('audio/') || type.startsWith('video/')
231
}
232
233
function getEmbedPrefix (type) {
234
  if (typeof type === 'string') {
235
    if (type.startsWith('audio/')) return 'audio:'
236
    if (type.startsWith('video/')) return 'video:'
237
  }
238
  return ''
239
}
240