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Tree: abfba3a58d8e9753bd2118c8cd92d95df683607e

Files: abfba3a58d8e9753bd2118c8cd92d95df683607e / lib / render-msg.js

58304 bytesRaw
1var h = require('hyperscript')
2var htime = require('human-time')
3var multicb = require('multicb')
4var u = require('./util')
5var mdInline = require('./markdown-inline')
6
7module.exports = RenderMsg
8
9function RenderMsg(render, app, msg, opts) {
10  this.render = render
11  this.app = app
12  this.msg = msg
13  this.serve = opts.serve
14  this.value = msg && msg.value || {}
15  var content = this.value.content
16  this.c = content || {}
17  this.isMissing = !content
18
19  if (typeof opts === 'boolean') opts = {raw: opts}
20  this.opts = opts || {}
21  this.shouldWrap = this.opts.wrap !== false
22}
23
24RenderMsg.prototype.getMsg = function (id, cb) {
25  if (!id) return cb()
26  return this.serve
27    ? this.serve.getMsgDecryptedMaybeOoo(id, cb)
28    : this.app.getMsgDecryptedOoo(id, cb)
29}
30
31RenderMsg.prototype.toUrl = function (href) {
32  return this.render.toUrl(href)
33}
34
35RenderMsg.prototype.linkify = function (text) {
36  return this.render.linkify(text)
37}
38
39RenderMsg.prototype.raw = function (cb) {
40  // linkify various things in the JSON. TODO: abstract this better
41
42  // clone the message for linkifying
43  var m = {}, k
44  for (k in this.msg) m[k] = this.msg[k]
45  m.value = {}
46  for (k in this.msg.value) m.value[k] = this.msg.value[k]
47  var tokens = {}
48
49  // link to feed starting from this message
50  if (m.value.sequence) {
51    var tok = u.token()
52    tokens[tok] = h('a', {href:
53      this.toUrl(m.value.author + '?gt=' + (m.value.sequence-1))},
54      m.value.sequence)
55    m.value.sequence = tok
56  }
57
58  if (typeof m.value.content === 'object' && m.value.content != null) {
59    var c = m.value.content = {}
60    for (k in this.c) c[k] = this.c[k]
61
62    // link to messages of same type
63    tok = u.token()
64    tokens[tok] = h('a', {href: this.toUrl('/type/' + c.type)}, c.type)
65    c.type = tok
66
67    // link to channel
68    if (c.channel) {
69      tok = u.token()
70      tokens[tok] = h('a', {href: this.toUrl('#' + c.channel)}, c.channel)
71      c.channel = tok
72    }
73
74    // link to hashtags
75    // TODO: recurse
76    for (var k in c) {
77      if (!c[k] || c[k][0] !== '#') continue
78      tok = u.token()
79      tokens[tok] = h('a', {href: this.toUrl(c[k])}, c[k])
80      c[k] = tok
81    }
82  }
83
84  // link refs
85  var els = this.linkify(JSON.stringify(m, 0, 2))
86
87  // stitch it all together
88  for (var i = 0; i < els.length; i++) {
89    if (typeof els[i] === 'string') {
90      for (var tok in tokens) {
91        if (els[i].indexOf(tok) !== -1) {
92          var parts = els[i].split(tok)
93          els.splice(i, 1, parts[0], tokens[tok], parts[1])
94          continue
95        }
96      }
97    }
98  }
99  this.wrap(h('pre', els), cb)
100}
101
102RenderMsg.prototype.wrap = function (content, cb) {
103  if (!this.shouldWrap) return cb(null, content)
104  var date = new Date(this.msg.value.timestamp)
105  var self = this
106  var channel = this.c.channel ? '#' + this.c.channel : ''
107  var done = multicb({pluck: 1, spread: true})
108  done()(null, [h('tr.msg-row',
109    h('td.msg-left',
110      h('div', this.render.avatarImage(this.msg.value.author, done())),
111      h('div', this.render.idLink(this.msg.value.author, done())),
112      this.recpsLine(done())
113    ),
114    h('td.msg-main',
115      h('div.msg-header',
116        h('a.ssb-timestamp', {
117          title: date.toLocaleString(),
118          href: this.msg.key ? this.toUrl(this.msg.key) : undefined
119        }, htime(date)), ' ',
120        h('code', h('a.ssb-id',
121          {href: this.toUrl(this.msg.key)}, this.msg.key)),
122        channel ? [' ', h('a', {href: this.toUrl(channel)}, channel)] : '')),
123    h('td.msg-right', this.actions())
124  ), h('tr',
125    h('td.msg-content', {colspan: 3},
126      this.issues(done()),
127      content)
128  )])
129  done(cb)
130}
131
132RenderMsg.prototype.wrapMini = function (content, cb) {
133  if (!this.shouldWrap) return cb(null, content)
134  var date = new Date(this.value.timestamp)
135  var self = this
136  var channel = this.c.channel ? '#' + this.c.channel : ''
137  var done = multicb({pluck: 1, spread: true})
138  done()(null, h('tr.msg-row',
139    h('td.msg-left',
140      this.render.idLink(this.value.author, done()), ' ',
141      this.recpsLine(done()),
142      channel ? [h('a', {href: this.toUrl(channel)}, channel), ' '] : ''),
143    h('td.msg-main',
144      h('a.ssb-timestamp', {
145        title: date.toLocaleString(),
146        href: this.msg.key ? this.toUrl(this.msg.key) : undefined
147      }, htime(date)), ' ',
148      this.issues(done()),
149      content),
150    h('td.msg-right', this.actions())
151  ))
152  done(cb)
153}
154
155RenderMsg.prototype.actions = function () {
156  return this.msg.key ?
157    h('form', {method: 'post', action: ''},
158      this.msg.rel ? [this.msg.rel, ' '] : '',
159      this.opts.withGt && this.msg.timestamp ? [
160        h('a', {href: '?gt=' + this.msg.timestamp}, '↓'), ' '] : '',
161      this.c.type === 'gathering' ? [
162        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
163      /^(ssb_)?chess_/.test(this.c.type) ? [
164        h('a', {href: this.toUrl(this.msg.key) + '?full',
165          title: 'view full game board'}, 'full'), ' '] : '',
166      typeof this.c.text === 'string' ? [
167        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
168          title: 'view markdown source'}, 'md'), ' '] : '',
169      h('a', {href: this.toUrl(this.msg.key) + '?raw',
170        title: 'view raw message'}, 'raw'), ' ',
171      this.buttonsCommon(),
172      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
173      this.voteButton('dig')
174  ) : [
175    this.msg.rel ? [this.msg.rel, ' '] : ''
176  ]
177}
178
179RenderMsg.prototype.sync = function (cb) {
180  cb(null, h('tr.msg-row', h('td', {colspan: 3},
181    h('hr')
182  )))
183}
184
185RenderMsg.prototype.recpsLine = function (cb) {
186  if (!this.value.private) return cb(), ''
187  var author = this.value.author
188  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
189    return u.linkDest(link) !== author
190  })
191  return this.render.privateLine(recpsNotSelf, cb)
192}
193
194RenderMsg.prototype.recpsIds = function () {
195  return this.value.private
196    ? u.toArray(this.c.recps).map(u.linkDest)
197    : []
198}
199
200RenderMsg.prototype.buttonsCommon = function () {
201  var chan = this.msg.value.content.channel
202  var recps = this.recpsIds()
203  return [
204    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
205    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
206    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
207  ]
208}
209
210RenderMsg.prototype.voteButton = function (expression) {
211  var chan = this.msg.value.content.channel
212  return [
213    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
214    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
215    h('input', {type: 'submit', name: 'action_vote', value: expression})]
216}
217
218RenderMsg.prototype.attendButton = function () {
219  var chan = this.msg.value.content.channel
220  return [
221    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
222  ]
223}
224
225RenderMsg.prototype.message = function (cb) {
226  if (this.opts.raw) return this.raw(cb)
227  if (this.msg.sync) return this.sync(cb)
228  if (typeof this.c === 'string') return this.encrypted(cb)
229  if (this.isMissing) return this.missing(cb)
230  switch (this.c.type) {
231    case 'post': return this.post(cb)
232    case 'ferment/like':
233    case 'robeson/like':
234    case 'vote': return this.vote(cb)
235    case 'about': return this.about(cb)
236    case 'contact': return this.contact(cb)
237    case 'pub': return this.pub(cb)
238    case 'channel': return this.channel(cb)
239    case 'git-repo': return this.gitRepo(cb)
240    case 'git-update': return this.gitUpdate(cb)
241    case 'pull-request': return this.gitPullRequest(cb)
242    case 'issue': return this.issue(cb)
243    case 'issue-edit': return this.issueEdit(cb)
244    case 'music-release-cc': return this.musicRelease(cb)
245    case 'ssb-dns': return this.dns(cb)
246    case 'gathering': return this.gathering(cb)
247    case 'micro': return this.micro(cb)
248    case 'ferment/audio':
249    case 'robeson/audio':
250      return this.audio(cb)
251    case 'ferment/repost':
252    case 'robeson/repost':
253      return this.repost(cb)
254    case 'ferment/update':
255    case 'robeson/update':
256      return this.update(cb)
257    case 'chess_invite':
258    case 'ssb_chess_invite':
259      return this.chessInvite(cb)
260    case 'chess_invite_accept':
261    case 'ssb_chess_invite_accept':
262      return this.chessInviteAccept(cb)
263    case 'chess_move':
264    case 'ssb_chess_move':
265      return this.chessMove(cb)
266    case 'chess_game_end':
267    case 'ssb_chess_game_end':
268      return this.chessGameEnd(cb)
269    case 'chess_chat':
270      return this.chessChat(cb)
271    case 'wifi-network': return this.wifiNetwork(cb)
272    case 'mutual/credit': return this.mutualCredit(cb)
273    case 'mutual/account': return this.mutualAccount(cb)
274    case 'npm-publish': return this.npmPublish(cb)
275    case 'npm-packages': return this.npmPackages(cb)
276    case 'npm-prebuilds': return this.npmPrebuilds(cb)
277    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
278    case 'bookclub': return this.bookclub(cb)
279    case 'macaco_maluco-sombrio-wall': return this.sombrioWall(cb)
280    case 'macaco_maluco-sombrio-tombstone': return this.sombrioTombstone(cb)
281    case 'macaco_maluco-sombrio-score': return this.sombrioScore(cb)
282    case 'blog': return this.blog(cb)
283    case 'image-map': return this.imageMap(cb)
284    case 'talenet-identity-skill_assignment': return this.identitySkillAssign(cb)
285    case 'talenet-idea-skill_assignment': return this.ideaSkillAssign(cb)
286    case 'talenet-idea-create': return this.ideaCreate(cb)
287    case 'talenet-idea-association': return this.ideaAssocate(cb)
288    case 'talenet-skill-create': return this.skillCreate(cb)
289    case 'talenet-skill-similarity': return this.skillSimilarity(cb)
290    case 'talenet-idea-hat': return this.ideaHat(cb)
291    case 'talenet-idea-update': return this.ideaUpdate(cb)
292    case 'talenet-idea-comment':
293    case 'talenet-idea-comment_reply': return this.ideaComment(cb)
294    case 'about-resource': return this.aboutResource(cb)
295    case 'line-comment': return this.lineComment(cb)
296    case 'web-init': return this.webInit(cb)
297    case 'web-root': return this.webRoot(cb)
298    case 'poll': return this.poll(cb)
299    case 'position': if (this.c.version === 'v1') return this.pollPosition(cb)
300    case 'scat_message': return this.scat(cb)
301    case 'share': return this.share(cb)
302    case 'tag': return this.tag(cb)
303    default: return this.object(cb)
304  }
305}
306
307RenderMsg.prototype.encrypted = function (cb) {
308  this.wrapMini(this.render.lockIcon(), cb)
309}
310
311RenderMsg.prototype.markdown = function (cb) {
312  if (this.opts.markdownSource)
313    return this.markdownSource(this.c.text, this.c.mentions)
314  return this.render.markdown(this.c.text, this.c.mentions)
315}
316
317RenderMsg.prototype.markdownSource = function (text, mentions) {
318  return h('div',
319    h('pre', String(text)),
320    mentions ? [
321      h('div', h('em', 'mentions:')),
322      this.valueTable(mentions, 2, function () {})
323    ] : ''
324  ).innerHTML
325}
326
327RenderMsg.prototype.post = function (cb) {
328  var self = this
329  var done = multicb({pluck: 1, spread: true})
330  if (self.c.root === self.c.branch) done()()
331  else self.link(self.c.root, done())
332  self.links(self.c.branch, done())
333  self.links(self.c.fork, done())
334  done(function (err, rootLink, branchLinks, forkLinks) {
335    if (err) return self.wrap(u.renderError(err), cb)
336    self.wrap(h('div.ssb-post',
337      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
338      branchLinks.map(function (a, i) {
339        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
340      }),
341      forkLinks.map(function (a, i) {
342        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
343      }),
344      h('div.ssb-post-text', {innerHTML: self.markdown()})
345    ), cb)
346  })
347}
348
349RenderMsg.prototype.vote = function (cb) {
350  var self = this
351  var v = self.c.vote || self.c.like || {}
352  self.link(v, function (err, a) {
353    if (err) return cb(err)
354    self.wrapMini([
355      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
356      ' ', a,
357      v.reason ? [' as ', h('q', String(v.reason))] : ''
358    ], cb)
359  })
360}
361
362RenderMsg.prototype.getName = function (id, cb) {
363  switch (id && id[0]) {
364    case '%': return this.getMsgName(id, cb)
365    case '@': // fallthrough
366    case '&': return this.getAboutName(id, cb)
367    default: return cb(null, String(id))
368  }
369}
370
371RenderMsg.prototype.getMsgName = function (id, cb) {
372  var self = this
373  self.app.getMsg(id, function (err, msg) {
374    if (err && err.name == 'NotFoundError')
375      cb(null, id.substring(0, 10)+'...(missing)')
376    else if (err) cb(err)
377      // preserve security: only decrypt the linked message if we decrypted
378      // this message
379    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
380    else gotMsg(null, msg)
381  })
382  function gotMsg(err, msg) {
383    if (err) return cb(err)
384    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
385  }
386}
387
388function truncate(str, len) {
389  str = String(str)
390  return str.length > len ? str.substr(0, len) + '...' : str
391}
392
393function title(str) {
394  return truncate(mdInline(str), 72)
395}
396
397RenderMsg.prototype.title = function (cb) {
398  var self = this
399  self.app.filterMsg(self.msg, self.opts, function (err, show) {
400    if (err) return cb(err)
401    if (show) self.title1(cb)
402    else cb(null, '[…]')
403  })
404}
405
406RenderMsg.prototype.title1 = function (cb) {
407  var self = this
408  if (!self.c || typeof self.c !== 'object') {
409    cb(null, self.msg.key)
410  } else if (typeof self.c.text === 'string') {
411    if (self.c.type === 'post')
412      cb(null, title(self.c.text))
413    else
414      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
415  } else {
416    if (self.c.type === 'ssb-dns')
417      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
418    else if (self.c.type === 'npm-publish')
419      self.npmPublishTitle(cb)
420    else if (self.c.type === 'chess_chat')
421      cb(null, title(self.c.msg))
422    else if (self.c.type === 'chess_invite')
423      self.chessInviteTitle(cb)
424    else if (self.c.type === 'bookclub')
425      self.bookclubTitle(cb)
426    else if (self.c.type === 'talenet-skill-create' && self.c.name)
427      cb(null, self.c.name)
428    else if (self.c.type === 'talenet-idea-create')
429      self.app.getIdeaTitle(self.msg.key, cb)
430    else if (self.c.type === 'tag')
431      self.tagTitle(cb)
432    else
433    self.app.getAbout(self.msg.key, function (err, about) {
434      if (err) return cb(err)
435      var name = about.name || about.title
436        || (about.description && mdInline(about.description))
437      if (name) return cb(null, truncate(name, 72))
438      self.message(function (err, el) {
439        if (err) return cb(err)
440        cb(null, '%' + title(h('div', el).textContent))
441      })
442    })
443  }
444}
445
446RenderMsg.prototype.getAboutName = function (id, cb) {
447  this.app.getAbout(id, function (err, about) {
448    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
449  })
450}
451
452RenderMsg.prototype.link = function (link, cb) {
453  var self = this
454  var ref = u.linkDest(link)
455  if (!ref) return cb(null, '')
456  self.getName(ref, function (err, name) {
457    if (err) name = truncate(ref, 10)
458    cb(null, h('a', {href: self.toUrl(ref)}, name))
459  })
460}
461
462RenderMsg.prototype.link1 = function (link, cb) {
463  var self = this
464  var ref = u.linkDest(link)
465  if (!ref) return cb(), ''
466  var a = h('a', {href: self.toUrl(ref)}, ref)
467  self.getName(ref, function (err, name) {
468    if (err) name = ref
469    a.childNodes[0].textContent = name
470    cb()
471  })
472  return a
473}
474
475RenderMsg.prototype.links = function (links, cb) {
476  var self = this
477  var done = multicb({pluck: 1})
478  u.toArray(links).forEach(function (link) {
479    self.link(link, done())
480  })
481  done(cb)
482}
483
484function dateTime(d) {
485  var date = new Date(d.epoch)
486  return date.toString()
487  // d.bias
488  // d.epoch
489}
490
491// TODO: make more DRY
492var knownAboutProps = {
493  type: true,
494  root: true,
495  about: true,
496  attendee: true,
497  about: true,
498  image: true,
499  description: true,
500  name: true,
501  title: true,
502  attendee: true,
503  startDateTime: true,
504  endDateTime: true,
505  location: true,
506  /*
507  rating: true,
508  ratingType: true,
509  */
510  'talenet-version': true,
511}
512
513RenderMsg.prototype.about = function (cb) {
514  var keys = Object.keys(this.c).sort().join()
515  var isSelf = this.c.about === this.msg.value.author
516
517  if (keys === 'about,name,type') {
518    return this.wrapMini([
519      isSelf ?
520        'self-identifies as ' :
521        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
522      h('ins', String(this.c.name))
523    ], cb)
524  }
525
526  if (keys === 'about,publicWebHosting,type') {
527    var public = this.c.publicWebHosting && this.c.publicWebHosting !== 'false'
528    return this.wrapMini([
529      isSelf ?
530        public ? 'is okay with being hosted publicly'
531        : 'wishes to not to be hosted publicly'
532      : public ? ['thinks ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
533          ' should be hosted publicly ']
534        : ['wishes ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
535          ' to not be hosted publicly']
536    ], cb)
537  }
538
539  var done = multicb({pluck: 1, spread: true})
540  var elCb = done()
541
542  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
543    && keys === 'about,attendee,type'
544  if (isAttendingMsg) {
545    var attending = !this.c.attendee.remove
546    this.wrapMini([
547      attending ? ' is attending' : ' is not attending', ' ',
548      this.link1(this.c.about, done())
549      ], elCb)
550    return done(cb)
551  }
552
553  var extras
554  for (var k in this.c) {
555    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
556      if (!extras) extras = {}
557      extras[k] = this.c[k]
558    }
559  }
560
561  var img = u.linkDest(this.c.image)
562  // if there is a description, it is likely to be multi-line
563  var hasDescription = this.c.description != null
564  // if this about message gives the thing a name, show its id
565  var showComputedName = !isSelf && !this.c.name
566
567  this.wrap([
568    this.c.root ? h('div',
569      h('small', '> ', this.link1(this.c.root, done()))
570    ) : '',
571    isSelf ? 'self-describes as ' : [
572      'describes ',
573      !this.c.about ? ''
574        : showComputedName ? this.link1(this.c.about, done())
575        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
576      ' as '
577    ],
578    this.c.name ? [h('ins', String(this.c.name)), ' '] : '',
579    this.c.description ? h('div',
580      {innerHTML: this.render.markdown(this.c.description)}) : '',
581    this.c.title ? h('h3', String(this.c.title)) : '',
582    this.c.attendee ? h('div',
583      this.link1(this.c.attendee.link, done()),
584      this.c.attendee.remove ? ' is not attending' : ' is attending'
585    ) : '',
586    this.c.startDateTime ? h('div',
587      'starting at ', dateTime(this.c.startDateTime)) : '',
588    this.c.endDateTime ? h('div',
589      'ending at ', dateTime(this.c.endDateTime)) : '',
590    this.c.location ? h('div', 'at ', String(this.c.location)) : '',
591    img ? h('a', {href: this.toUrl(img)},
592      h('img.ssb-avatar-image', {
593        src: this.render.imageUrl(img),
594        alt: ' ',
595      })) : '',
596    /*
597    this.c.rating != null ? this.aboutRating() : '',
598    */
599    extras ? this.valueTable(extras, 1, done())
600    : ''
601  ], elCb)
602  done(cb)
603}
604
605/*
606 * disabled until it's clearer how to do this -cel
607RenderMsg.prototype.aboutRating = function (cb) {
608  var rating = Number(this.c.rating)
609  var type = this.c.ratingType || '★'
610  var text = rating + ' ' + type
611  if (isNaN(rating)) return 'rating: ' + text
612  if (rating > 5) rating = 5
613  var el = h('div', {title: text})
614  for (var i = 0; i < rating; i++) {
615    el.appendChild(h('span',
616      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
617    ))
618  }
619  return el
620}
621*/
622
623RenderMsg.prototype.contact = function (cb) {
624  var self = this
625  self.link(self.c.contact, function (err, a) {
626    if (err) return cb(err)
627    if (!a) a = "?"
628      self.wrapMini([
629        self.c.following && self.c.autofollow ? 'follows pub' :
630        self.c.following && self.c.pub ? 'autofollows' :
631        self.c.following ? 'follows' :
632        self.c.blocking ? 'blocks' :
633        self.c.flagged ? 'flagged' :
634        self.c.following === false ? 'unfollows' :
635        self.c.blocking === false ? 'unblocks' : '',
636        self.c.flagged === false ? 'unflagged' :
637        ' ', a,
638        self.c.note ? [
639          ' from ',
640          h('code', String(self.c.note))
641        ] : '',
642        self.c.reason ? [' because ',
643          h('q', String(self.c.reason))
644        ] : ''
645      ], cb)
646  })
647}
648
649RenderMsg.prototype.pub = function (cb) {
650  var self = this
651  var addr = self.c.address || self.c.pub || {}
652  self.link(addr.key || addr.link, function (err, pubLink) {
653    if (err) return cb(err)
654      self.wrapMini([
655        'connects to ', pubLink, ' at ',
656        h('code', addr.host + ':' + addr.port)], cb)
657  })
658}
659
660RenderMsg.prototype.channel = function (cb) {
661  var chan = '#' + this.c.channel
662  this.wrapMini([
663    this.c.subscribed ? 'subscribes to ' :
664    this.c.subscribed === false ? 'unsubscribes from ' : '',
665    h('a', {href: this.toUrl(chan)}, chan)], cb)
666}
667
668RenderMsg.prototype.gitRepo = function (cb) {
669  var self = this
670  var id = self.msg.key
671  var name = self.c.name
672  var upstream = self.c.upstream
673  self.link(upstream, function (err, upstreamA) {
674    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
675    self.wrapMini([
676      upstream ? ['forked ', upstreamA, ': '] : '',
677      'git clone ',
678      h('code', h('small', 'ssb://' + id)),
679      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
680    ], cb)
681  })
682}
683
684RenderMsg.prototype.gitUpdate = function (cb) {
685  var self = this
686  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
687  var size = [].concat(self.c.packs, self.c.indexes)
688    .map(function (o) { return o && o.size })
689    .reduce(function (total, s) { return total + s })
690
691  var done = multicb({pluck: 1, spread: true})
692  self.link(self.c.repo, done())
693  self.render.npmPackageMentions(self.c.mentions, done())
694  self.render.npmPrebuildMentions(self.c.mentions, done())
695  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
696    if (err) return cb(err)
697      self.wrap(h('div.ssb-git-update',
698        'git push ', a, ' ',
699        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
700        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
701          var id = String(self.c.refs[ref])
702          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
703          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
704            + '?msg=' + encodeURIComponent(self.msg.key))
705            + '&search=1'
706          return h('li',
707            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
708            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
709               : h('em', 'deleted'))
710      })) : '',
711      Array.isArray(self.c.commits) ?
712        h('ul', self.c.commits.map(function (commit) {
713          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
714            + '?msg=' + encodeURIComponent(self.msg.key)
715          return h('li', h('a', {href: self.render.toUrl(path)},
716            h('code', String(commit.sha1).substr(0, 8))), ' ',
717            self.linkify(String(commit.title)),
718            self.render.gitCommitBody(commit.body)
719          )
720        })) : '',
721      Array.isArray(self.c.tags) ?
722        h('ul', self.c.tags.map(function (tag) {
723          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
724            + '?msg=' + encodeURIComponent(self.msg.key)
725          return h('li',
726            h('a', {href: self.render.toUrl(path)},
727              h('code', String(tag.sha1).substr(0, 8))), ' ',
728            'tagged ', String(tag.type), ' ',
729            h('code', String(tag.object).substr(0, 8)), ' ',
730            String(tag.tag),
731            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
732            tag.body ? self.render.gitCommitBody(tag.body) : ''
733          )
734        })) : '',
735        self.c.commits_more ? h('div',
736          '+ ' + self.c.commits_more + ' more commits') : '',
737        self.c.tags_more ? h('div',
738          '+ ' + self.c.tags_more + ' more tags') : '',
739        pkgMentionsEl,
740        prebuildMentionsEl
741    ), cb)
742  })
743}
744
745RenderMsg.prototype.gitPullRequest = function (cb) {
746  var self = this
747  var done = multicb({pluck: 1, spread: true})
748  self.link(self.c.repo, done())
749  self.link(self.c.head_repo, done())
750  done(function (err, baseRepoLink, headRepoLink) {
751    if (err) return cb(err)
752    self.wrap(h('div.ssb-pull-request',
753      'pull request ',
754      'to ', baseRepoLink, ':', String(self.c.branch), ' ',
755      'from ', headRepoLink, ':', String(self.c.head_branch),
756      self.c.title ? h('h4', String(self.c.title)) : '',
757      h('div', {innerHTML: self.markdown()})), cb)
758  })
759}
760
761RenderMsg.prototype.issue = function (cb) {
762  var self = this
763  self.link(self.c.project, function (err, projectLink) {
764    if (err) return cb(err)
765    self.wrap(h('div.ssb-issue',
766      'issue on ', projectLink,
767      self.c.title ? h('h4', String(self.c.title)) : '',
768      h('div', {innerHTML: self.markdown()})), cb)
769  })
770}
771
772RenderMsg.prototype.issueEdit = function (cb) {
773  this.wrap('', cb)
774}
775
776RenderMsg.prototype.object = function (cb) {
777  var done = multicb({pluck: 1, spread: true})
778  var elCb = done()
779  this.wrap([
780    this.valueTable(this.c, 1, done()),
781  ], elCb)
782  done(cb)
783}
784
785RenderMsg.prototype.valueTable = function (val, depth, cb) {
786  var isContent = depth === 1
787  var self = this
788  switch (typeof val) {
789    case 'object':
790      if (val === null) return cb(), ''
791      var done = multicb({pluck: 1, spread: true})
792      var el = Array.isArray(val)
793        ? h('ul', val.map(function (item) {
794          return h('li', self.valueTable(item, depth + 1, done()))
795        }))
796        : h('table.ssb-object', Object.keys(val).map(function (key) {
797          if (key === 'text') {
798            return h('tr',
799              h('td', h('strong', 'text')),
800              h('td', h('div', {
801                innerHTML: self.render.markdown(val.text, val.mentions)
802              }))
803            )
804          } else if (isContent && key === 'type') {
805            // TODO: also link to images by type, using links2
806            var type = String(val.type)
807            return h('tr',
808              h('td', h('strong', 'type')),
809              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
810            )
811          }
812          return h('tr',
813            h('td', h('strong', key)),
814            h('td', self.valueTable(val[key], depth + 1, done()))
815          )
816        }))
817      done(cb)
818      return el
819    case 'string':
820      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
821      if (u.isRef(val)) return self.link1(val, cb)
822      if (/^ssb-blob:\/\//.test(val)) return cb(), h('a', {href: self.toUrl(val)}, val)
823      return cb(), self.linkify(val)
824    case 'boolean':
825      return cb(), h('input', {
826        type: 'checkbox', disabled: 'disabled', checked: val
827      })
828    default:
829      return cb(), String(val)
830  }
831}
832
833RenderMsg.prototype.missing = function (cb) {
834  this.wrapMini([
835    h('code', 'MISSING'), ' ',
836    h('a', {href: '?ooo=1'}, 'fetch')
837  ], cb)
838}
839
840RenderMsg.prototype.issues = function (cb) {
841  var self = this
842  var done = multicb({pluck: 1, spread: true})
843  var issues = u.toArray(self.c.issues)
844  if (self.c.type === 'issue-edit' && self.c.issue) {
845    issues.push({
846      link: self.c.issue,
847      title: self.c.title,
848      open: self.c.open,
849    })
850  }
851  var els = issues.map(function (issue) {
852    var commit = issue.object || issue.label ? [
853      issue.object ? h('code', String(issue.object)) : '', ' ',
854      issue.label ? h('q', String(issue.label)) : ''] : ''
855    if (issue.merged === true)
856      return h('div',
857        'merged ', self.link1(issue, done()))
858    if (issue.open === false)
859      return h('div',
860        'closed ', self.link1(issue, done()))
861    if (issue.open === true)
862      return h('div',
863        'reopened ', self.link1(issue, done()))
864    if (typeof issue.title === 'string')
865      return h('div',
866        'renamed ', self.link1(issue, done()), ' to ', h('ins', String(issue.title)))
867  })
868  done(cb)
869  return els.length > 0 ? [els, h('br')] : ''
870}
871
872RenderMsg.prototype.repost = function (cb) {
873  var self = this
874  var id = u.linkDest(self.c.repost)
875  self.app.getMsg(id, function (err, msg) {
876    if (err && err.name == 'NotFoundError')
877      gotMsg(null, id.substring(0, 10)+'...(missing)')
878    else if (err) gotMsg(err)
879    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
880    else gotMsg(null, msg)
881  })
882  function gotMsg(err, msg) {
883    if (err) return cb(err)
884    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
885      renderMsg.message(function (err, msgEl) {
886        self.wrapMini(['reposted ',
887          h('code.ssb-id',
888            h('a', {href: self.render.toUrl(id)}, id)),
889          h('div', err ? u.renderError(err) : msgEl || '')
890        ], cb)
891    })
892  }
893}
894
895RenderMsg.prototype.update = function (cb) {
896  var id = String(this.c.update)
897  this.wrapMini([
898    h('div', 'updated ', h('code.ssb-id',
899      h('a', {href: this.render.toUrl(id)}, id))),
900    this.c.title ? h('h4.msg-title', String(this.c.title)) : '',
901    this.c.description ? h('div',
902      {innerHTML: this.render.markdown(this.c.description)}) : ''
903  ], cb)
904}
905
906function formatDuration(s) {
907  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
908}
909
910RenderMsg.prototype.audio = function (cb) {
911  // fileName, fallbackFileName, overview
912  this.wrap(h('table', h('tr',
913    h('td',
914      this.c.artworkSrc
915      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
916          src: this.render.imageUrl(this.c.artworkSrc),
917          alt: ' ',
918          width: 72,
919          height: 72,
920        }))
921      : ''),
922    h('td',
923      h('a', {href: this.render.toUrl(this.c.audioSrc)},
924        String(this.c.title)),
925      isFinite(this.c.duration)
926        ? ' (' + formatDuration(this.c.duration) + ')'
927        : '',
928      this.c.description
929        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
930        : ''
931  ))), cb)
932}
933
934RenderMsg.prototype.musicRelease = function (cb) {
935  var self = this
936  this.wrap([
937    h('table', h('tr',
938      h('td',
939        this.c.cover
940          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
941              src: this.render.imageUrl(this.c.cover),
942              alt: ' ',
943              width: 72,
944              height: 72,
945            }))
946          : ''),
947      h('td',
948        h('h4.msg-title', String(this.c.title)),
949        this.c.text
950          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
951          : ''
952      )
953    )),
954    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
955      return h('li',
956        h('a', {href: self.render.toUrl(track.link)},
957          String(track.fname)))
958    }))
959  ], cb)
960}
961
962RenderMsg.prototype.dns = function (cb) {
963  var self = this
964  var record = self.c.record || {}
965  var done = multicb({pluck: 1, spread: true})
966  var elCb = done()
967  self.wrap([
968    h('div',
969      h('p',
970        h('ins', {title: 'name'}, String(record.name)), ' ',
971        h('span', {title: 'ttl'}, String(record.ttl)), ' ',
972        h('span', {title: 'class'}, String(record.class)), ' ',
973        h('span', {title: 'type'}, String(record.type))
974      ),
975      h('pre', {title: 'data'},
976        JSON.stringify(record.data || record.value, null, 2)),
977      !self.c.branch ? null : h('div',
978        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
979          return [self.link1(id, done()), i === 0 ? ', ' : '']
980        })
981      )
982    )
983  ], elCb)
984  done(cb)
985}
986
987RenderMsg.prototype.wifiNetwork = function (cb) {
988  var net = this.c.network || {}
989  this.wrap([
990    h('div', 'wifi network'),
991    h('table',
992      Object.keys(net).map(function (key) {
993        return h('tr',
994          h('td', key),
995          h('td', h('pre', JSON.stringify(net[key]))))
996      })
997    ),
998  ], cb)
999}
1000
1001RenderMsg.prototype.mutualCredit = function (cb) {
1002  var self = this
1003  var currency = String(self.c.currency)
1004  self.link(self.c.account, function (err, a) {
1005    if (err) return cb(err)
1006    self.wrapMini([
1007      'credits ', a || '?', ' ',
1008      h('code', String(self.c.amount)), ' ',
1009      currency[0] === '#'
1010        ? h('a', {href: self.toUrl(currency)}, currency)
1011        : h('ins', currency),
1012      self.c.memo ? [' for ',
1013        h('q', {innerHTML: unwrapP(self.render.markdown(self.c.memo))})
1014      ] : ''
1015    ], cb)
1016  })
1017}
1018
1019RenderMsg.prototype.mutualAccount = function (cb) {
1020  return this.object(cb)
1021}
1022
1023RenderMsg.prototype.gathering = function (cb) {
1024  this.wrapMini('gathering', cb)
1025}
1026
1027function unwrapP(html) {
1028  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
1029    return $1
1030  })
1031}
1032
1033RenderMsg.prototype.micro = function (cb) {
1034  var el = h('span', {innerHTML: unwrapP(this.markdown())})
1035  this.wrapMini(el, cb)
1036}
1037
1038function hJoin(els, seperator, lastSeparator) {
1039  return els.map(function (el, i) {
1040    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
1041  })
1042}
1043
1044function asNpmReadme(readme) {
1045  if (!readme || readme === 'ERROR: No README data found!') return
1046  return u.ifString(readme)
1047}
1048
1049function singleValue(obj) {
1050  if (!obj || typeof obj !== 'object') return obj
1051  var keys = Object.keys(obj)
1052  if (keys.length === 1) return obj[keys[0]]
1053}
1054
1055function ifDifferent(obj, value) {
1056  if (singleValue(obj) !== value) return obj
1057}
1058
1059RenderMsg.prototype.npmPublish = function (cb) {
1060  var self = this
1061  var render = self.render
1062  var pkg = self.c.meta || {}
1063  var pkgReadme = asNpmReadme(pkg.readme)
1064  var pkgDescription = u.ifString(pkg.description)
1065
1066  var versions = Object.keys(pkg.versions || {})
1067  var singleVersion = versions.length === 1 ? versions[0] : null
1068  var singleRelease = singleVersion && pkg.versions[singleVersion]
1069  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1070
1071  var distTags = pkg['dist-tags'] || {}
1072  var distTagged = {}
1073  for (var distTag in distTags)
1074    if (distTag !== 'latest')
1075      distTagged[distTags[distTag]] = distTag
1076
1077  self.links(self.c.previousPublish, function (err, prevLinks) {
1078    if (err) return cb(err)
1079    self.wrap([
1080      h('div',
1081        'published ',
1082        h('u', String(pkg.name)), ' ',
1083        hJoin(versions.map(function (version) {
1084          var distTag = distTagged[version]
1085          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1086        }), ', ')
1087      ),
1088      pkgDescription ? h('div',
1089        // TODO: make mdInline use custom emojis
1090        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1091      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1092      pkgReadme && pkgReadme !== singleReadme ?
1093        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1094      versions.map(function (version, i) {
1095        var release = pkg.versions[version] || {}
1096        var license = u.ifString(release.license)
1097        var author = ifDifferent(release.author, self.msg.value.author)
1098        var description = u.ifString(release.description)
1099        var readme = asNpmReadme(release.readme)
1100        var keywords = u.toArray(release.keywords).map(u.ifString)
1101        var dist = release.dist || {}
1102        var size = u.ifNumber(dist.size)
1103        return [
1104          h > 0 ? h('br') : '',
1105          version !== singleVersion ? h('div', 'version: ', version) : '',
1106          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1107          license ? h('div', 'license: ', h('code', license)) : '',
1108          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1109          size ? h('div', 'size: ', render.formatSize(size)) : '',
1110          description && description !== pkgDescription ?
1111            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1112          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1113        ]
1114      })
1115    ], cb)
1116  })
1117}
1118
1119RenderMsg.prototype.npmPackages = function (cb) {
1120  var self = this
1121  var done = multicb({pluck: 1, spread: true})
1122  var elCb = done()
1123  function renderIdLink(id) {
1124    return [h('a', {href: self.toUrl(id)}, truncate(id, 8)), ' ']
1125  }
1126  var singlePkg = self.c.mentions
1127    && self.c.mentions.length === 1
1128    && self.c.mentions[0]
1129  var m = singlePkg && /^npm:(.*?):(.*?):/.exec(singlePkg.name)
1130  var singlePkgSpec = m && (m[1] + (m[2] ? '@' + m[2] : ''))
1131  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1132    if (err) return cb(err)
1133    var dependencyLinks = u.toArray(self.c.dependencyBranch)
1134    var versionLinks = u.toArray(self.c.versionBranch)
1135    self.wrap(h('div', [
1136      el,
1137      singlePkg ? h('p',
1138        h('code',
1139          'npm install --registry=' +
1140            'http://' + self.app.host + ':' + self.app.port +
1141            '/npm-registry/' + encodeURIComponent(self.msg.key) + ' ' +
1142            singlePkgSpec),
1143      ) : '',
1144      dependencyLinks.length ? h('div',
1145        'dependencies via: ', dependencyLinks.map(renderIdLink)
1146      ) : '',
1147      versionLinks.length ? h('div',
1148        'previous versions: ', versionLinks.map(renderIdLink)
1149      ) : ''
1150    ]), elCb)
1151    return done(cb)
1152  })
1153}
1154
1155RenderMsg.prototype.npmPrebuilds = function (cb) {
1156  var self = this
1157  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1158    if (err) return cb(err)
1159    self.wrap(el, cb)
1160  })
1161}
1162
1163RenderMsg.prototype.npmPublishTitle = function (cb) {
1164  var pkg = this.c.meta || {}
1165  var name = pkg.name || pkg._id || '?'
1166
1167  var taggedVersions = {}
1168  for (var version in pkg.versions || {})
1169    taggedVersions[version] = []
1170
1171  var distTags = pkg['dist-tags'] || {}
1172  for (var distTag in distTags) {
1173    if (distTag === 'latest') continue
1174    var version = distTags[distTag] || '?'
1175    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1176    tags.push(distTag)
1177  }
1178
1179  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1180    var tags = taggedVersions[version]
1181    return (tags.length ? tags.join(',') + ':' : '') + version
1182  }).join(','))
1183}
1184
1185function expandDigitToSpaces(n) {
1186  return '         '.substr(-n)
1187}
1188
1189function parseFenRank (line) {
1190  return line.replace(/\d/g, expandDigitToSpaces).split('')
1191}
1192
1193function parseChess(fen) {
1194  var fields = String(fen).split(/\s+/)
1195  var ranks = fields[0].split('/')
1196  var f2 = fields[2] || ''
1197  return {
1198    board: ranks.map(parseFenRank),
1199    /*
1200    nextMove: fields[1] === 'b' ? 'black'
1201            : fields[1] === 'w' ? 'white' : 'unknown',
1202    castling: f2 === '-' ? {} : {
1203      w: {
1204        k: 0 < f2.indexOf('K'),
1205        q: 0 < f2.indexOf('Q'),
1206      },
1207      b: {
1208        k: 0 < f2.indexOf('k'),
1209        q: 0 < f2.indexOf('q'),
1210      }
1211    },
1212    enpassantTarget: fields[3] === '-' ? null : fields[3],
1213    halfmoves: Number(fields[4]),
1214    fullmoves: Number(fields[5]),
1215    */
1216  }
1217}
1218
1219var chessSymbols = {
1220  ' ': [' ', ''],
1221  P: ['♙', 'white', 'pawn'],
1222  N: ['♘', 'white', 'knight'],
1223  B: ['♗', 'white', 'bishop'],
1224  R: ['♖', 'white', 'rook'],
1225  Q: ['♕', 'white', 'queen'],
1226  K: ['♔', 'white', 'king'],
1227  p: ['♟', 'black', 'pawn'],
1228  n: ['♞', 'black', 'knight'],
1229  b: ['♝', 'black', 'bishop'],
1230  r: ['♜', 'black', 'rook'],
1231  q: ['♛', 'black', 'queen'],
1232  k: ['♚', 'black', 'king'],
1233}
1234
1235function chessPieceName(c) {
1236  return chessSymbols[c] && chessSymbols[c][2] || '?'
1237}
1238
1239function renderChessSymbol(c, loc) {
1240  var info = chessSymbols[c] || ['?', '', 'unknown']
1241  return h('span.symbol', {
1242    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1243  }, info[0])
1244}
1245
1246function chessLocToIdxs(loc) {
1247  var m = /^([a-h])([1-8])$/.exec(loc)
1248  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1249}
1250
1251function lookupPiece(board, loc) {
1252  var idxs = chessLocToIdxs(loc)
1253  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1254}
1255
1256function chessIdxsToLoc(i, j) {
1257  return 'abcdefgh'[j] + (8-i)
1258}
1259
1260RenderMsg.prototype.chessBoard = function (board) {
1261  if (!board) return ''
1262  return h('table.chess-board',
1263    board.map(function (rank, i) {
1264      return h('tr', rank.map(function (piece, j) {
1265        var dark = (i ^ j) & 1
1266        return h('td', {
1267          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1268        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1269      }))
1270    })
1271  )
1272}
1273
1274RenderMsg.prototype.chessMove = function (cb) {
1275  var self = this
1276  var c = self.c
1277  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1278  var game = parseChess(fen)
1279  var piece = game && lookupPiece(game.board, c.dest)
1280  self.link(self.c.root, function (err, rootLink) {
1281    if (err) return cb(err)
1282    self.wrap([
1283      h('div', h('small', '> ', rootLink)),
1284      h('p',
1285        // 'player ', (c.ply || ''), ' ',
1286        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1287        'from ' + c.orig, ' ',
1288        'to ' + c.dest
1289      ),
1290      self.chessBoard(game.board)
1291    ], cb)
1292  })
1293}
1294
1295RenderMsg.prototype.chessInvite = function (cb) {
1296  var self = this
1297  var myColor = self.c.myColor
1298  self.link(self.c.inviting, function (err, link) {
1299    if (err) return cb(err)
1300    self.wrap([
1301      'invites ', link, ' to play chess',
1302      // myColor ? h('p', 'my color is ' + myColor) : ''
1303    ], cb)
1304  })
1305}
1306
1307RenderMsg.prototype.chessInviteTitle = function (cb) {
1308  var self = this
1309  var done = multicb({pluck: 1, spread: true})
1310  self.getName(self.c.inviting, done())
1311  self.getName(self.msg.value.author, done())
1312  done(function (err, inviteeLink, inviterLink) {
1313    if (err) return cb(err)
1314    self.wrap([
1315      'chess: ', inviterLink, ' vs. ', inviteeLink
1316    ], cb)
1317  })
1318}
1319
1320RenderMsg.prototype.chessInviteAccept = function (cb) {
1321  var self = this
1322  self.link(self.c.root, function (err, rootLink) {
1323    if (err) return cb(err)
1324    self.wrap([
1325      h('div', h('small', '> ', rootLink)),
1326      h('p', 'accepts invitation to play chess')
1327    ], cb)
1328  })
1329}
1330
1331RenderMsg.prototype.chessGameEnd = function (cb) {
1332  var self = this
1333  var c = self.c
1334  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1335    if (err) return cb(err)
1336    self.wrap([
1337      h('div', h('small', '> ', rootLink)),
1338      h('p', h('strong', 'resigned'))
1339    ], cb)
1340  })
1341
1342  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1343  var game = parseChess(fen)
1344  var piece = game && lookupPiece(game.board, c.dest)
1345  var done = multicb({pluck: 1, spread: true})
1346  self.link(self.c.root, done())
1347  self.link(self.c.winner, done())
1348  done(function (err, rootLink, winnerLink) {
1349    if (err) return cb(err)
1350    self.wrap([
1351      h('div', h('small', '> ', rootLink)),
1352      h('p',
1353        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1354        'from ' + c.orig, ' ',
1355        'to ' + c.dest
1356      ),
1357      h('p',
1358        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1359      self.chessBoard(game.board)
1360    ], cb)
1361  })
1362}
1363
1364RenderMsg.prototype.chessChat = function (cb) {
1365  var self = this
1366  self.link(self.c.root, function (err, rootLink) {
1367    if (err) return cb(err)
1368    self.wrap([
1369      h('div', h('small', '> ', rootLink)),
1370      h('p', String(self.c.msg))
1371    ], cb)
1372  })
1373}
1374
1375RenderMsg.prototype.chessMove = function (cb) {
1376  if (this.opts.full) return this.chessMoveFull(cb)
1377  return this.chessMoveMini(cb)
1378}
1379
1380RenderMsg.prototype.chessMoveFull = function (cb) {
1381  var self = this
1382  var c = self.c
1383  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1384  var game = parseChess(fen)
1385  var piece = game && lookupPiece(game.board, c.dest)
1386  self.link(self.c.root, function (err, rootLink) {
1387    if (err) return cb(err)
1388    self.wrap([
1389      h('div', h('small', '> ', rootLink)),
1390      h('p',
1391        // 'player ', (c.ply || ''), ' ',
1392        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1393        'from ' + c.orig, ' ',
1394        'to ' + c.dest
1395      ),
1396      self.chessBoard(game.board)
1397    ], cb)
1398  })
1399}
1400
1401RenderMsg.prototype.chessMoveMini = function (cb) {
1402  var self = this
1403  var c = self.c
1404  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1405  var game = parseChess(fen)
1406  var piece = game && lookupPiece(game.board, c.dest)
1407  self.link(self.c.root, function (err, rootLink) {
1408    if (err) return cb(err)
1409    self.wrapMini([
1410      'moved ', chessPieceName(piece), ' ',
1411      'to ' + c.dest
1412    ], cb)
1413  })
1414}
1415
1416RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1417  var self = this
1418  self.wrapMini(h('span',
1419    'serves ',
1420    hJoin(u.toArray(self.c.challenges).filter(Boolean).map(function (challenge) {
1421      return h('a', {
1422        href: 'http://' + challenge.domain +
1423          '/.well-known/acme-challenge/' + challenge.token,
1424        title: challenge.keyAuthorization,
1425      }, String(challenge.domain))
1426    }), ', ', ', and ')
1427  ), cb)
1428}
1429
1430RenderMsg.prototype.bookclub = function (cb) {
1431  var self = this
1432  var props = self.c.common || self.c
1433  var images = u.toLinkArray(props.image || props.images)
1434  self.wrap(h('table', h('tr',
1435    h('td',
1436      images.map(function (image) {
1437        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1438          src: self.render.imageUrl(image.link),
1439          alt: image.name || ' ',
1440          width: 180,
1441        }))
1442      })),
1443    h('td',
1444      h('h4', String(props.title)),
1445      props.authors ?
1446        h('p', h('em', String(props.authors)))
1447        : '',
1448      props.description
1449        ? h('div', {innerHTML: self.render.markdown(props.description)})
1450        : ''
1451    )
1452  )), cb)
1453}
1454
1455RenderMsg.prototype.bookclubTitle = function (cb) {
1456  var props = this.c.common || this.c
1457  cb(null, props.title || 'book')
1458}
1459
1460RenderMsg.prototype.sombrioPosition = function () {
1461  return h('span', '[' + this.c.position + ']')
1462}
1463
1464RenderMsg.prototype.sombrioWall = function (cb) {
1465  var self = this
1466  self.wrapMini(h('span',
1467    self.sombrioPosition(),
1468    ' wall'
1469  ), cb)
1470}
1471
1472RenderMsg.prototype.sombrioTombstone = function (cb) {
1473  var self = this
1474  self.wrapMini(h('span',
1475    self.sombrioPosition(),
1476    ' tombstone'
1477  ), cb)
1478}
1479
1480RenderMsg.prototype.sombrioScore = function (cb) {
1481  var self = this
1482  self.wrapMini(h('span',
1483    'scored ',
1484    h('ins', String(self.c.score))
1485  ), cb)
1486}
1487
1488RenderMsg.prototype.blog = function (cb) {
1489  var self = this
1490  var blogId = u.linkDest(self.c.blog)
1491  var imgId = u.linkDest(self.c.thumbnail)
1492  var imgLink = imgId ? u.toLinkArray(self.c.mentions).filter(function (link) {
1493    return link.link === imgId
1494  })[0] || u.toLink(self.c.thumbnail) : null
1495  self.wrapMini(h('table', h('tr',
1496    h('td',
1497      imgId ? h('img', {
1498        src: self.render.imageUrl(imgId),
1499        alt: (imgLink.name || '')
1500          + (imgLink.size != null ? ' (' + self.render.formatSize(imgLink.size) + ')' : ''),
1501        width: 180,
1502      }) : 'blog'),
1503    h('td',
1504      blogId ? h('h3', h('a', {href: self.render.toUrl('/markdown/' + blogId)},
1505        String(self.c.title || self.msg.key))) : '',
1506      String(self.c.summary || ''))
1507  )), cb)
1508}
1509
1510RenderMsg.prototype.imageMap = function (cb) {
1511  var self = this
1512  var imgLink = u.toLink(self.c.image)
1513  var imgRef = imgLink && imgLink.link
1514  var mapName = 'map' + u.token()
1515  self.wrap(h('div', [
1516    h('map', {name: mapName},
1517      u.toArray(self.c.areas).map(function (areaLink) {
1518        var href = areaLink && self.toUrl(areaLink.link)
1519        return href ? h('area', {
1520          shape: String(areaLink.shape),
1521          coords: String(areaLink.coords),
1522          href: href,
1523        }) : ''
1524      })
1525    ),
1526    imgRef && imgRef[0] === '&' ? h('img', {
1527      src: self.render.imageUrl(imgRef),
1528      width: Number(imgLink.width) || undefined,
1529      height: Number(imgLink.height) || undefined,
1530      alt: String(imgLink.name || ''),
1531      usemap: '#' + mapName,
1532    }) : ''
1533  ]), cb)
1534}
1535
1536RenderMsg.prototype.skillCreate = function (cb) {
1537  var self = this
1538  self.wrapMini(h('span',
1539    ' created skill ',
1540    h('ins', String(self.c.name))
1541  ), cb)
1542}
1543
1544RenderMsg.prototype.ideaCreate = function (cb) {
1545  var self = this
1546  self.wrapMini(h('span',
1547    ' has an idea'
1548  ), cb)
1549}
1550
1551RenderMsg.prototype.skillSimilarity = function (cb) {
1552  var self = this
1553  var done = multicb({pluck: 1, spread: true})
1554  self.link(self.c.skillKey1, done())
1555  self.link(self.c.skillKey2, done())
1556  var similarity = !!self.c.similarity
1557  done(function (err, skill1, skill2) {
1558    self.wrapMini(h('span',
1559      'considers ', skill1, ' to be ',
1560      similarity ? 'similar to ' : 'not similar to ',
1561      skill2
1562    ), cb)
1563  })
1564}
1565
1566RenderMsg.prototype.identitySkillAssign = function (cb) {
1567  var self = this
1568  self.link(self.c.skillKey, function (err, a) {
1569    self.wrapMini(h('span',
1570      self.c.action === 'assign' ? 'assigns '
1571        : self.c.action === 'unassign' ? 'unassigns '
1572        : h('code', String(self.c.action)), ' ',
1573      'skill ', a
1574    ), cb)
1575  })
1576}
1577
1578RenderMsg.prototype.ideaSkillAssign = function (cb) {
1579  var self = this
1580  var done = multicb({pluck: 1, spread: true})
1581  self.link(self.c.skillKey, done())
1582  self.link(self.c.ideaKey, done())
1583  done(function (err, skillA, ideaA) {
1584    self.wrapMini(h('span',
1585      self.c.action === 'assign' ? 'assigns '
1586        : self.c.action === 'unassign' ? 'unassigns '
1587        : h('code', String(self.c.action)), ' ',
1588      'skill ', skillA,
1589      ' to idea ',
1590      ideaA
1591    ), cb)
1592  })
1593}
1594
1595RenderMsg.prototype.ideaAssocate = function (cb) {
1596  var self = this
1597  self.link(self.c.ideaKey, function (err, a) {
1598    self.wrapMini(h('span',
1599      self.c.action === 'associate' ? 'associates with '
1600        : self.c.action === 'disassociate' ? 'disassociates with '
1601        : h('code', String(self.c.action)), ' ',
1602      'idea ', a
1603    ), cb)
1604  })
1605}
1606
1607RenderMsg.prototype.ideaHat = function (cb) {
1608  var self = this
1609  self.link(self.c.ideaKey, function (err, a) {
1610    self.wrapMini(h('span',
1611      self.c.action === 'take' ? 'takes '
1612        : self.c.action === 'discard' ? 'discards '
1613        : h('code', String(self.c.action)), ' ',
1614      'idea ', a
1615    ), cb)
1616  })
1617}
1618
1619RenderMsg.prototype.ideaUpdate = function (cb) {
1620  var self = this
1621  var done = multicb({pluck: 1, spread: true})
1622  var props = {}
1623  for (var k in self.c) {
1624    if (k !== 'ideaKey' && k !== 'type' && k !== 'talenet-version') {
1625      props[k] = self.c[k]
1626    }
1627  }
1628  var keys = Object.keys(props).sort().join()
1629
1630  if (keys === 'title') {
1631    return self.wrapMini(h('span',
1632      'titles idea ',
1633      h('a', {href: self.toUrl(self.c.ideaKey)}, String(props.title))
1634    ), cb)
1635  }
1636
1637  if (keys === 'description') {
1638    return self.link(self.c.ideaKey, function (err, a) {
1639      self.wrap(h('div',
1640        'describes idea ', a, ':',
1641        h('blockquote', {innerHTML: self.render.markdown(props.description)})
1642      ), cb)
1643    })
1644  }
1645
1646  if (keys === 'description,title') {
1647    return self.wrap(h('div',
1648      'describes idea ',
1649      h('a', {href: self.toUrl(self.c.ideaKey)}, String(props.title)),
1650      ':',
1651      h('blockquote', {innerHTML: self.render.markdown(props.description)})
1652    ), cb)
1653  }
1654
1655  self.link(self.c.ideaKey, done())
1656  var table = self.valueTable(props, 1, done())
1657  done(function (err, ideaA) {
1658    self.wrap(h('div', [
1659      'updates idea ', ideaA,
1660      table
1661    ]), cb)
1662  })
1663}
1664
1665RenderMsg.prototype.ideaComment = function (cb) {
1666  var self = this
1667  var done = multicb({pluck: 1, spread: true})
1668  self.link(self.c.ideaKey, done())
1669  self.link(self.c.commentKey, done())
1670  done(function (err, ideaLink, commentLink) {
1671    if (err) return self.wrap(u.renderError(err), cb)
1672    self.wrap(h('div', [
1673      ideaLink ? h('div', h('small', h('span.symbol', '→'), ' idea ', ideaLink)) : '',
1674      commentLink ? h('div', h('small', h('span.symbol', '↳'), ' comment ', commentLink)) : '',
1675      self.c.text ?
1676        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''
1677    ]), cb)
1678  })
1679}
1680
1681RenderMsg.prototype.aboutResource = function (cb) {
1682  var self = this
1683  return self.wrap(h('div',
1684    'describes resource ',
1685    h('a', {href: self.toUrl(self.c.about)}, String(self.c.name)),
1686    ':',
1687    h('blockquote', {innerHTML: self.render.markdown(self.c.description)})
1688  ), cb)
1689}
1690
1691RenderMsg.prototype.lineComment = function (cb) {
1692  var self = this
1693  var done = multicb({pluck: 1, spread: true})
1694  self.link(self.c.repo, done())
1695  self.getMsg(self.c.updateId, done())
1696  done(function (err, repoLink, updateMsg) {
1697    if (err) return cb(err)
1698    return self.wrap(h('div',
1699      h('div', h('small', '> ',
1700        repoLink, ' ',
1701        h('a', {
1702          href: self.toUrl(self.c.updateId)
1703        },
1704          updateMsg
1705            ? htime(new Date(updateMsg.value.timestamp))
1706            : String(self.c.updateId)
1707        ), ' ',
1708        h('a', {
1709          href: self.toUrl('/git/commit/' + self.c.commitId + '?msg=' + encodeURIComponent(self.c.updateId))
1710        }, String(self.c.commitId).substr(0, 8)), ' ',
1711        h('a', {
1712          href: self.toUrl('/git/line-comment/' +
1713            encodeURIComponent(self.msg.key || JSON.stringify(self.msg)))
1714        }, h('code', self.c.filePath + ':' + self.c.line))
1715      )),
1716      self.c.text ?
1717        h('div', {innerHTML: self.markdown()}) : ''), cb)
1718  })
1719}
1720
1721RenderMsg.prototype.webInit = function (cb) {
1722  var self = this
1723  var url = '/web/' + encodeURIComponent(this.msg.key)
1724  self.wrapMini(h('a',
1725    {href: this.toUrl(url)},
1726    'website'
1727  ), cb)
1728}
1729
1730RenderMsg.prototype.webRoot = function (cb) {
1731  var self = this
1732  var site = u.isRef(this.c.site) && this.c.site
1733  var root = u.isRef(this.c.root) && this.c.root
1734  self.wrapMini(h('span',
1735    'updated website ',
1736    site ? [
1737      h('a', {href: this.toUrl('/web/' + encodeURIComponent(site))}, site.substr(0, 8) + '…'), ' '
1738    ] : '',
1739    root ? [
1740      'to ', h('a', {href: this.toUrl(root)}, root.substr(0, 8) + '…')
1741    ] : ''
1742  ), cb)
1743}
1744
1745RenderMsg.prototype.poll = function (cb) {
1746  var self = this
1747  var closeDate = new Date(self.c.closesAt)
1748  var details = self.c.pollDetails || self.c.details || {}
1749  var choices = u.toArray(details.choices)
1750  return self.wrap(h('div',
1751    h('h3', {innerHTML: unwrapP(self.render.markdown(self.c.title))}),
1752    h('div', {innerHTML: unwrapP(self.render.markdown(self.c.body, self.c.mentions))}),
1753    h('p', 'closes at: ', h('span', {
1754      title: closeDate.toLocaleString()
1755    }, closeDate.toString())),
1756    details.type === 'chooseOne' ?  h('form', {method: 'post', action: ''},
1757      h('p', 'Choose one'),
1758      h('input', {type: 'hidden', name: 'action', value: 'poll-position'}),
1759      h('input', {type: 'hidden', name: 'poll_root', value: self.msg.key}),
1760      h('input', {type: 'hidden', name: 'poll_type', value: 'chooseOne'}),
1761      choices.map(function (choice, i) {
1762        return h('div',
1763          h('input', {type: 'radio', name: 'poll_choice', value: i}), ' ', String(choice))
1764      }),
1765      h('p', 'reason: ',
1766        h('div', h('textarea', {name: 'poll_reason'}))
1767      ),
1768      h('p', h('input', {type: 'submit', value: 'preview publish position'}))
1769    ) : h('div', 'unknown poll type')
1770  ), cb)
1771}
1772
1773RenderMsg.prototype.pollPosition = function (cb) {
1774  var self = this
1775  var details = self.c.pollDetails || self.c.details || self.c
1776  var reason = self.c.reason || ''
1777  var done = multicb({pluck: 1, spread: true})
1778  self.link(self.c.root, done())
1779  self.links(self.c.branch, done())
1780  var msgCb = done()
1781  self.app.getMsg(self.c.root, function (err, msg) {
1782    // ignore error getting root message... it's not that important
1783    msgCb(null, msg)
1784  })
1785  done(function (err, rootLink, branchLinks, rootMsg) {
1786    if (err) return cb(err)
1787    var rootContent = rootMsg && rootMsg.value.content || {}
1788    var rootDetails = rootContent.pollDetails || rootContent.details || rootContent
1789    var choices = u.toArray(rootDetails.choices)
1790    var choice = details.choice != null && choices && choices[details.choice]
1791    return self.wrap(h('div',
1792      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
1793      branchLinks.map(function (a, i) {
1794        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
1795      }),
1796      h('p',
1797        'picked ',
1798        choice ? h('q', choice) : ['choice ', String(details.choice || '?')]
1799      ),
1800      reason ? h('div', {innerHTML: self.render.markdown(reason, self.c.mentions)}) : ''
1801    ), cb)
1802  })
1803}
1804
1805RenderMsg.prototype.scat = function (cb) {
1806  this.wrapMini([
1807    this.c.action ? '' : 'chats ',
1808    h('q', String(this.c.text))
1809  ], cb)
1810}
1811
1812RenderMsg.prototype.share = function (cb) {
1813  var self = this
1814  var share = self.c.share || {}
1815  self.link(share.link, function (err, link) {
1816    self.wrapMini([
1817      'shares ',
1818      share.content === 'blog' ? 'blog '
1819        : share.content ? [h('code', String(share.content)), ' ']
1820        : '',
1821      link || String(share.link),
1822      share.url ? [
1823        ' at ',
1824        h('small', h('a', {href: self.toUrl(share.url)}, share.url))
1825      ] : '',
1826      share.text ? [
1827        ': ',
1828        h('q', String(share.text))
1829      ] : ''
1830    ], cb)
1831  })
1832}
1833
1834RenderMsg.prototype.tag = function (cb) {
1835  var done = multicb({pluck: 1, spread: true})
1836  var self = this
1837  if (self.c.message || self.c.root) {
1838    self.link(self.c.root, done())
1839    self.link(self.c.message, done())
1840    self.links(self.c.branch, done())
1841    done(function (err, rootLink, msgLink, branchLinks) {
1842      if (err) return self.wrap(u.renderError(err), cb)
1843      return self.wrap(h('div',
1844        branchLinks.map(function (a, i) {
1845          return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
1846        }),
1847        h('p',
1848          self.c.tagged ? 'tagged ' : 'untagged ',
1849          msgLink,
1850          rootLink ? [' as ', rootLink] : ''
1851        ),
1852      ), cb)
1853    })
1854  } else {
1855    self.wrapMini('tag', cb)
1856  }
1857}
1858
1859RenderMsg.prototype.tagTitle = function (cb) {
1860  var self = this
1861  if (!self.c.message && !self.c.root) {
1862    return self.app.getAbout(self.msg.key, function (err, about) {
1863      if (err) return cb(err)
1864      var name = about.name || about.title
1865        || (about.description && mdInline(about.description))
1866      cb(null, truncate(name ? name.replace(/^%/, '') : self.msg.key, 72))
1867    })
1868  }
1869  var done = multicb({pluck: 1, spread: true})
1870  self.getName(self.c.root, done())
1871  self.getName(self.c.message, done())
1872  done(function (err, rootName, msgName) {
1873    if (err) return cb(null, err.stack)
1874    cb(null, (self.c.tagged ? 'tagged ' : 'untagged ')
1875      + msgName + ' as ' + rootName)
1876  })
1877}
1878

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