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Tree: 5a8a31c7e4523ef4de4c20e28443f9ea18961ce4

Files: 5a8a31c7e4523ef4de4c20e28443f9ea18961ce4 / lib / render-msg.js

42314 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.value = msg && msg.value || {}
14  var content = this.value.content
15  this.c = content || {}
16  this.isMissing = !content
17
18  if (typeof opts === 'boolean') opts = {raw: opts}
19  this.opts = opts || {}
20  this.shouldWrap = this.opts.wrap !== false
21}
22
23RenderMsg.prototype.toUrl = function (href) {
24  return this.render.toUrl(href)
25}
26
27RenderMsg.prototype.linkify = function (text) {
28  return this.render.linkify(text)
29}
30
31function token() {
32  return '__' + Math.random().toString(36).substr(2) + '__'
33}
34
35RenderMsg.prototype.raw = function (cb) {
36  // linkify various things in the JSON. TODO: abstract this better
37
38  // clone the message for linkifying
39  var m = {}, k
40  for (k in this.msg) m[k] = this.msg[k]
41  m.value = {}
42  for (k in this.msg.value) m.value[k] = this.msg.value[k]
43  var tokens = {}
44
45  // link to feed starting from this message
46  if (m.value.sequence) {
47    var tok = token()
48    tokens[tok] = h('a', {href:
49      this.toUrl(m.value.author + '?gt=' + (m.value.sequence-1))},
50      m.value.sequence)
51    m.value.sequence = tok
52  }
53
54  if (typeof m.value.content === 'object' && m.value.content != null) {
55    var c = m.value.content = {}
56    for (k in this.c) c[k] = this.c[k]
57
58    // link to messages of same type
59    tok = token()
60    tokens[tok] = h('a', {href: this.toUrl('/type/' + c.type)}, c.type)
61    c.type = tok
62
63    // link to channel
64    if (c.channel) {
65      tok = token()
66      tokens[tok] = h('a', {href: this.toUrl('#' + c.channel)}, c.channel)
67      c.channel = tok
68    }
69
70    // link to hashtags
71    // TODO: recurse
72    for (var k in c) {
73      if (!c[k] || c[k][0] !== '#') continue
74      tok = token()
75      tokens[tok] = h('a', {href: this.toUrl(c[k])}, c[k])
76      c[k] = tok
77    }
78  }
79
80  // link refs
81  var els = this.linkify(JSON.stringify(m, 0, 2))
82
83  // stitch it all together
84  for (var i = 0; i < els.length; i++) {
85    if (typeof els[i] === 'string') {
86      for (var tok in tokens) {
87        if (els[i].indexOf(tok) !== -1) {
88          var parts = els[i].split(tok)
89          els.splice(i, 1, parts[0], tokens[tok], parts[1])
90          continue
91        }
92      }
93    }
94  }
95  this.wrap(h('pre', els), cb)
96}
97
98RenderMsg.prototype.wrap = function (content, cb) {
99  if (!this.shouldWrap) return cb(null, content)
100  var date = new Date(this.msg.value.timestamp)
101  var self = this
102  var channel = this.c.channel ? '#' + this.c.channel : ''
103  var done = multicb({pluck: 1, spread: true})
104  done()(null, [h('tr.msg-row',
105    h('td.msg-left', {rowspan: 2},
106      h('div', this.render.avatarImage(this.msg.value.author, done())),
107      h('div', this.render.idLink(this.msg.value.author, done())),
108      this.recpsLine(done())
109    ),
110    h('td.msg-main',
111      h('div.msg-header',
112        h('a.ssb-timestamp', {
113          title: date.toLocaleString(),
114          href: this.msg.key ? this.toUrl(this.msg.key) : undefined
115        }, htime(date)), ' ',
116        h('code', h('a.ssb-id',
117          {href: this.toUrl(this.msg.key)}, this.msg.key)),
118        channel ? [' ', h('a', {href: this.toUrl(channel)}, channel)] : '')),
119    h('td.msg-right', this.actions())
120  ), h('tr',
121    h('td.msg-content', {colspan: 2},
122      this.issues(done()),
123      content)
124  )])
125  done(cb)
126}
127
128RenderMsg.prototype.wrapMini = function (content, cb) {
129  if (!this.shouldWrap) return cb(null, content)
130  var date = new Date(this.value.timestamp)
131  var self = this
132  var channel = this.c.channel ? '#' + this.c.channel : ''
133  var done = multicb({pluck: 1, spread: true})
134  done()(null, h('tr.msg-row',
135    h('td.msg-left',
136      this.render.idLink(this.value.author, done()), ' ',
137      this.recpsLine(done()),
138      channel ? [h('a', {href: this.toUrl(channel)}, channel), ' '] : ''),
139    h('td.msg-main',
140      h('a.ssb-timestamp', {
141        title: date.toLocaleString(),
142        href: this.msg.key ? this.toUrl(this.msg.key) : undefined
143      }, htime(date)), ' ',
144      this.issues(done()),
145      content),
146    h('td.msg-right', this.actions())
147  ))
148  done(cb)
149}
150
151RenderMsg.prototype.actions = function () {
152  return this.msg.key ?
153    h('form', {method: 'post', action: ''},
154      this.msg.rel ? [this.msg.rel, ' '] : '',
155      this.opts.withGt && this.msg.timestamp ? [
156        h('a', {href: '?gt=' + this.msg.timestamp}, '↓'), ' '] : '',
157      this.c.type === 'gathering' ? [
158        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
159      /^(ssb_)?chess_/.test(this.c.type) ? [
160        h('a', {href: this.toUrl(this.msg.key) + '?full',
161	  title: 'view full game board'}, 'full'), ' '] : '',
162      typeof this.c.text === 'string' ? [
163        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
164          title: 'view markdown source'}, 'md'), ' '] : '',
165      h('a', {href: this.toUrl(this.msg.key) + '?raw',
166        title: 'view raw message'}, 'raw'), ' ',
167      this.buttonsCommon(),
168      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
169      this.voteButton('dig')
170  ) : [
171    this.msg.rel ? [this.msg.rel, ' '] : ''
172  ]
173}
174
175RenderMsg.prototype.sync = function (cb) {
176  cb(null, h('tr.msg-row', h('td', {colspan: 3},
177    h('hr')
178  )))
179}
180
181RenderMsg.prototype.recpsLine = function (cb) {
182  if (!this.value.private) return cb(), ''
183  var author = this.value.author
184  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
185    return u.linkDest(link) !== author
186  })
187  return this.render.privateLine(recpsNotSelf, cb)
188}
189
190RenderMsg.prototype.recpsIds = function () {
191  return this.value.private
192    ? u.toArray(this.c.recps).map(u.linkDest)
193    : []
194}
195
196RenderMsg.prototype.buttonsCommon = function () {
197  var chan = this.msg.value.content.channel
198  var recps = this.recpsIds()
199  return [
200    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
201    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
202    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
203  ]
204}
205
206RenderMsg.prototype.voteButton = function (expression) {
207  var chan = this.msg.value.content.channel
208  return [
209    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
210    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
211    h('input', {type: 'submit', name: 'action_vote', value: expression})]
212}
213
214RenderMsg.prototype.attendButton = function () {
215  var chan = this.msg.value.content.channel
216  return [
217    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
218  ]
219}
220
221RenderMsg.prototype.message = function (cb) {
222  if (this.opts.raw) return this.raw(cb)
223  if (this.msg.sync) return this.sync(cb)
224  if (typeof this.c === 'string') return this.encrypted(cb)
225  if (this.isMissing) return this.missing(cb)
226  switch (this.c.type) {
227    case 'post': return this.post(cb)
228    case 'ferment/like':
229    case 'robeson/like':
230    case 'vote': return this.vote(cb)
231    case 'about': return this.about(cb)
232    case 'contact': return this.contact(cb)
233    case 'pub': return this.pub(cb)
234    case 'channel': return this.channel(cb)
235    case 'git-repo': return this.gitRepo(cb)
236    case 'git-update': return this.gitUpdate(cb)
237    case 'pull-request': return this.gitPullRequest(cb)
238    case 'issue': return this.issue(cb)
239    case 'issue-edit': return this.issueEdit(cb)
240    case 'music-release-cc': return this.musicRelease(cb)
241    case 'ssb-dns': return this.dns(cb)
242    case 'gathering': return this.gathering(cb)
243    case 'micro': return this.micro(cb)
244    case 'ferment/audio':
245    case 'robeson/audio':
246      return this.audio(cb)
247    case 'ferment/repost':
248    case 'robeson/repost':
249      return this.repost(cb)
250    case 'ferment/update':
251    case 'robeson/update':
252      return this.update(cb)
253    case 'chess_invite':
254    case 'ssb_chess_invite':
255      return this.chessInvite(cb)
256    case 'chess_invite_accept':
257    case 'ssb_chess_invite_accept':
258      return this.chessInviteAccept(cb)
259    case 'chess_move':
260    case 'ssb_chess_move':
261      return this.chessMove(cb)
262    case 'chess_game_end':
263    case 'ssb_chess_game_end':
264      return this.chessGameEnd(cb)
265    case 'chess_chat':
266      return this.chessChat(cb)
267    case 'wifi-network': return this.wifiNetwork(cb)
268    case 'mutual/credit': return this.mutualCredit(cb)
269    case 'mutual/account': return this.mutualAccount(cb)
270    case 'npm-publish': return this.npmPublish(cb)
271    case 'npm-packages': return this.npmPackages(cb)
272    case 'npm-prebuilds': return this.npmPrebuilds(cb)
273    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
274    case 'bookclub': return this.bookclub(cb)
275    case 'macaco_maluco-sombrio-wall': return this.sombrioWall(cb)
276    case 'macaco_maluco-sombrio-tombstone': return this.sombrioTombstone(cb)
277    case 'macaco_maluco-sombrio-score': return this.sombrioScore(cb)
278    default: return this.object(cb)
279  }
280}
281
282RenderMsg.prototype.encrypted = function (cb) {
283  this.wrapMini(this.render.lockIcon(), cb)
284}
285
286RenderMsg.prototype.markdown = function (cb) {
287  if (this.opts.markdownSource)
288    return this.markdownSource(this.c.text, this.c.mentions)
289  return this.render.markdown(this.c.text, this.c.mentions)
290}
291
292RenderMsg.prototype.markdownSource = function (text, mentions) {
293  return h('div',
294    h('pre', String(text)),
295    mentions ? [
296      h('div', h('em', 'mentions:')),
297      this.valueTable(mentions, 2, function () {})
298    ] : ''
299  ).innerHTML
300}
301
302RenderMsg.prototype.post = function (cb) {
303  var self = this
304  var done = multicb({pluck: 1, spread: true})
305  if (self.c.root === self.c.branch) done()()
306  else self.link(self.c.root, done())
307  self.links(self.c.branch, done())
308  self.links(self.c.fork, done())
309  done(function (err, rootLink, branchLinks, forkLinks) {
310    if (err) return self.wrap(u.renderError(err), cb)
311    self.wrap(h('div.ssb-post',
312      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
313      branchLinks.map(function (a, i) {
314        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
315      }),
316      forkLinks.map(function (a, i) {
317        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
318      }),
319      h('div.ssb-post-text', {innerHTML: self.markdown()})
320    ), cb)
321  })
322}
323
324RenderMsg.prototype.vote = function (cb) {
325  var self = this
326  var v = self.c.vote || self.c.like || {}
327  self.link(v, function (err, a) {
328    if (err) return cb(err)
329    self.wrapMini([
330      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
331      ' ', a,
332      v.reason ? [' as ', h('q', v.reason)] : ''
333    ], cb)
334  })
335}
336
337RenderMsg.prototype.getName = function (id, cb) {
338  switch (id && id[0]) {
339    case '%': return this.getMsgName(id, cb)
340    case '@': // fallthrough
341    case '&': return this.getAboutName(id, cb)
342    default: return cb(null, String(id))
343  }
344}
345
346RenderMsg.prototype.getMsgName = function (id, cb) {
347  var self = this
348  self.app.getMsg(id, function (err, msg) {
349    if (err && err.name == 'NotFoundError')
350      cb(null, id.substring(0, 10)+'...(missing)')
351    else if (err) cb(err)
352      // preserve security: only decrypt the linked message if we decrypted
353      // this message
354    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
355    else gotMsg(null, msg)
356  })
357  function gotMsg(err, msg) {
358    if (err) return cb(err)
359    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
360  }
361}
362
363function truncate(str, len) {
364  str = String(str)
365  return str.length > len ? str.substr(0, len) + '...' : str
366}
367
368function title(str) {
369  return truncate(mdInline(str), 72)
370}
371
372RenderMsg.prototype.title = function (cb) {
373  var self = this
374  self.app.filterMsg(self.msg, self.opts, function (err, show) {
375    if (err) return cb(err)
376    if (show) self.title1(cb)
377    else cb(null, '[…]')
378  })
379}
380
381RenderMsg.prototype.title1 = function (cb) {
382  var self = this
383  if (!self.c || typeof self.c !== 'object') {
384    cb(null, self.msg.key)
385  } else if (typeof self.c.text === 'string') {
386    if (self.c.type === 'post')
387      cb(null, title(self.c.text))
388    else
389      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
390  } else {
391    if (self.c.type === 'ssb-dns')
392      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
393    else if (self.c.type === 'npm-publish')
394      self.npmPublishTitle(cb)
395    else if (self.c.type === 'chess_chat')
396      cb(null, title(self.c.msg))
397    else if (self.c.type === 'chess_invite')
398      self.chessInviteTitle(cb)
399    else if (self.c.type === 'bookclub')
400      self.bookclubTitle(cb)
401    else
402    self.app.getAbout(self.msg.key, function (err, about) {
403      if (err) return cb(err)
404      var name = about.name || about.title || about.description
405      if (name) return cb(null, name)
406      self.message(function (err, el) {
407        if (err) return cb(err)
408        cb(null, '%' + title(h('div', el).textContent))
409      })
410    })
411  }
412}
413
414RenderMsg.prototype.getAboutName = function (id, cb) {
415  this.app.getAbout(id, function (err, about) {
416    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
417  })
418}
419
420RenderMsg.prototype.link = function (link, cb) {
421  var self = this
422  var ref = u.linkDest(link)
423  if (!ref) return cb(null, '')
424  self.getName(ref, function (err, name) {
425    if (err) name = truncate(ref, 10)
426    cb(null, h('a', {href: self.toUrl(ref)}, name))
427  })
428}
429
430RenderMsg.prototype.link1 = function (link, cb) {
431  var self = this
432  var ref = u.linkDest(link)
433  if (!ref) return cb(), ''
434  var a = h('a', {href: self.toUrl(ref)}, ref)
435  self.getName(ref, function (err, name) {
436    if (err) name = ref
437    a.childNodes[0].textContent = name
438    cb()
439  })
440  return a
441}
442
443RenderMsg.prototype.links = function (links, cb) {
444  var self = this
445  var done = multicb({pluck: 1})
446  u.toArray(links).forEach(function (link) {
447    self.link(link, done())
448  })
449  done(cb)
450}
451
452function dateTime(d) {
453  var date = new Date(d.epoch)
454  return date.toString()
455  // d.bias
456  // d.epoch
457}
458
459// TODO: make more DRY
460var knownAboutProps = {
461  type: true,
462  root: true,
463  about: true,
464  attendee: true,
465  about: true,
466  image: true,
467  description: true,
468  name: true,
469  title: true,
470  attendee: true,
471  startDateTime: true,
472  endDateTime: true,
473  location: true,
474  /*
475  rating: true,
476  ratingType: true,
477  */
478}
479
480RenderMsg.prototype.about = function (cb) {
481  var keys = Object.keys(this.c).sort().join()
482  var isSelf = this.c.about === this.msg.value.author
483
484  if (keys === 'about,name,type') {
485    return this.wrapMini([
486      isSelf ?
487        'self-identifies as ' :
488        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
489      h('ins', this.c.name)
490    ], cb)
491  }
492
493  var done = multicb({pluck: 1, spread: true})
494  var elCb = done()
495
496  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
497    && keys === 'about,attendee,type'
498  if (isAttendingMsg) {
499    var attending = !this.c.attendee.remove
500    this.wrapMini([
501      attending ? ' is attending' : ' is not attending', ' ',
502      this.link1(this.c.about, done())
503      ], elCb)
504    return done(cb)
505  }
506
507  var extras
508  for (var k in this.c) {
509    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
510      if (!extras) extras = {}
511      extras[k] = this.c[k]
512    }
513  }
514
515  var img = u.linkDest(this.c.image)
516  // if there is a description, it is likely to be multi-line
517  var hasDescription = this.c.description != null
518  // if this about message gives the thing a name, show its id
519  var showComputedName = !isSelf && !this.c.name
520
521  this.wrap([
522    this.c.root ? h('div',
523      h('small', '> ', this.link1(this.c.root, done()))
524    ) : '',
525    isSelf ? 'self-describes as ' : [
526      'describes ',
527      !this.c.about ? ''
528        : showComputedName ? this.link1(this.c.about, done())
529        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
530      ' as '
531    ],
532    this.c.name ? [h('ins', this.c.name), ' '] : '',
533    this.c.description ? h('div',
534      {innerHTML: this.render.markdown(this.c.description)}) : '',
535    this.c.title ? h('h3', this.c.title) : '',
536    this.c.attendee ? h('div',
537      this.link1(this.c.attendee.link, done()),
538      this.c.attendee.remove ? ' is not attending' : ' is attending'
539    ) : '',
540    this.c.startDateTime ? h('div',
541      'starting at ', dateTime(this.c.startDateTime)) : '',
542    this.c.endDateTime ? h('div',
543      'ending at ', dateTime(this.c.endDateTime)) : '',
544    this.c.location ? h('div', 'at ', this.c.location) : '',
545    img ? h('a', {href: this.toUrl(img)},
546      h('img.ssb-avatar-image', {
547        src: this.render.imageUrl(img),
548        alt: ' ',
549      })) : '',
550    /*
551    this.c.rating != null ? this.aboutRating() : '',
552    */
553    extras ? this.valueTable(extras, 1, done())
554    : ''
555  ], elCb)
556  done(cb)
557}
558
559/*
560 * disabled until it's clearer how to do this -cel
561RenderMsg.prototype.aboutRating = function (cb) {
562  var rating = Number(this.c.rating)
563  var type = this.c.ratingType || '★'
564  var text = rating + ' ' + type
565  if (isNaN(rating)) return 'rating: ' + text
566  if (rating > 5) rating = 5
567  var el = h('div', {title: text})
568  for (var i = 0; i < rating; i++) {
569    el.appendChild(h('span',
570      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
571    ))
572  }
573  return el
574}
575*/
576
577RenderMsg.prototype.contact = function (cb) {
578  var self = this
579  self.link(self.c.contact, function (err, a) {
580    if (err) return cb(err)
581    if (!a) a = "?"
582      self.wrapMini([
583        self.c.following && self.c.autofollow ? 'follows pub' :
584        self.c.following && self.c.pub ? 'autofollows' :
585        self.c.following ? 'follows' :
586        self.c.blocking ? 'blocks' :
587        self.c.flagged ? 'flagged' :
588        self.c.following === false ? 'unfollows' :
589        self.c.blocking === false ? 'unblocks' : '',
590        self.c.flagged === false ? 'unflagged' :
591        ' ', a,
592        self.c.note ? [
593          ' from ',
594          h('code', self.c.note)
595        ] : '',
596        self.c.reason ? [' because ', h('q', self.c.reason)] : ''
597      ], cb)
598  })
599}
600
601RenderMsg.prototype.pub = function (cb) {
602  var self = this
603  var addr = self.c.address || {}
604  self.link(addr.key, function (err, pubLink) {
605    if (err) return cb(err)
606      self.wrapMini([
607        'connects to ', pubLink, ' at ',
608        h('code', addr.host + ':' + addr.port)], cb)
609  })
610}
611
612RenderMsg.prototype.channel = function (cb) {
613  var chan = '#' + this.c.channel
614  this.wrapMini([
615    this.c.subscribed ? 'subscribes to ' :
616    this.c.subscribed === false ? 'unsubscribes from ' : '',
617    h('a', {href: this.toUrl(chan)}, chan)], cb)
618}
619
620RenderMsg.prototype.gitRepo = function (cb) {
621  var self = this
622  var id = self.msg.key
623  var name = self.c.name
624  var upstream = self.c.upstream
625  self.link(upstream, function (err, upstreamA) {
626    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
627    self.wrapMini([
628      upstream ? ['forked ', upstreamA, ': '] : '',
629      'git clone ',
630      h('code', h('small', 'ssb://' + id)),
631      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
632    ], cb)
633  })
634}
635
636RenderMsg.prototype.gitUpdate = function (cb) {
637  var self = this
638  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
639  var size = [].concat(self.c.packs, self.c.indexes)
640    .map(function (o) { return o && o.size })
641    .reduce(function (total, s) { return total + s })
642
643  var done = multicb({pluck: 1, spread: true})
644  self.link(self.c.repo, done())
645  self.render.npmPackageMentions(self.c.mentions, done())
646  self.render.npmPrebuildMentions(self.c.mentions, done())
647  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
648    if (err) return cb(err)
649      self.wrap(h('div.ssb-git-update',
650        'git push ', a, ' ',
651        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
652        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
653          var id = self.c.refs[ref]
654          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
655          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
656            + '?msg=' + encodeURIComponent(self.msg.key))
657          return h('li',
658            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
659            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
660               : h('em', 'deleted'))
661      })) : '',
662      Array.isArray(self.c.commits) ?
663        h('ul', self.c.commits.map(function (commit) {
664          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
665            + '?msg=' + encodeURIComponent(self.msg.key)
666          return h('li', h('a', {href: self.render.toUrl(path)},
667            h('code', String(commit.sha1).substr(0, 8))), ' ',
668            self.linkify(String(commit.title)),
669            self.render.gitCommitBody(commit.body)
670          )
671        })) : '',
672      Array.isArray(self.c.tags) ?
673        h('ul', self.c.tags.map(function (tag) {
674          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
675            + '?msg=' + encodeURIComponent(self.msg.key)
676          return h('li',
677            h('a', {href: self.render.toUrl(path)},
678              h('code', String(tag.sha1).substr(0, 8))), ' ',
679            'tagged ', String(tag.type), ' ',
680            h('code', String(tag.object).substr(0, 8)), ' ',
681            String(tag.tag),
682            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
683            tag.body ? self.render.gitCommitBody(tag.body) : ''
684          )
685        })) : '',
686        self.c.commits_more ? h('div',
687          '+ ' + self.c.commits_more + ' more commits') : '',
688        self.c.tags_more ? h('div',
689          '+ ' + self.c.tags_more + ' more tags') : '',
690	pkgMentionsEl,
691	prebuildMentionsEl
692    ), cb)
693  })
694}
695
696RenderMsg.prototype.gitPullRequest = function (cb) {
697  var self = this
698  var done = multicb({pluck: 1, spread: true})
699  self.link(self.c.repo, done())
700  self.link(self.c.head_repo, done())
701  done(function (err, baseRepoLink, headRepoLink) {
702    if (err) return cb(err)
703    self.wrap(h('div.ssb-pull-request',
704      'pull request ',
705      'to ', baseRepoLink, ':', self.c.branch, ' ',
706      'from ', headRepoLink, ':', self.c.head_branch,
707      self.c.title ? h('h4', self.c.title) : '',
708      h('div', {innerHTML: self.markdown()})), cb)
709  })
710}
711
712RenderMsg.prototype.issue = function (cb) {
713  var self = this
714  self.link(self.c.project, function (err, projectLink) {
715    if (err) return cb(err)
716    self.wrap(h('div.ssb-issue',
717      'issue on ', projectLink,
718      self.c.title ? h('h4', self.c.title) : '',
719      h('div', {innerHTML: self.markdown()})), cb)
720  })
721}
722
723RenderMsg.prototype.issueEdit = function (cb) {
724  this.wrap('', cb)
725}
726
727RenderMsg.prototype.object = function (cb) {
728  var done = multicb({pluck: 1, spread: true})
729  var elCb = done()
730  this.wrap([
731    this.valueTable(this.c, 1, done()),
732  ], elCb)
733  done(cb)
734}
735
736RenderMsg.prototype.valueTable = function (val, depth, cb) {
737  var isContent = depth === 1
738  var self = this
739  switch (typeof val) {
740    case 'object':
741      if (val === null) return cb(), ''
742      var done = multicb({pluck: 1, spread: true})
743      var el = Array.isArray(val)
744        ? h('ul', val.map(function (item) {
745          return h('li', self.valueTable(item, depth + 1, done()))
746        }))
747        : h('table.ssb-object', Object.keys(val).map(function (key) {
748          if (key === 'text') {
749            return h('tr',
750              h('td', h('strong', 'text')),
751              h('td', h('div', {
752                innerHTML: self.render.markdown(val.text, val.mentions)
753              }))
754            )
755          } else if (isContent && key === 'type') {
756	    // TODO: also link to images by type, using links2
757            var type = val.type
758            return h('tr',
759              h('td', h('strong', 'type')),
760              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
761            )
762          }
763          return h('tr',
764            h('td', h('strong', key)),
765            h('td', self.valueTable(val[key], depth + 1, done()))
766          )
767        }))
768      done(cb)
769      return el
770    case 'string':
771      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
772      if (u.isRef(val)) return self.link1(val, cb)
773      return cb(), self.linkify(val)
774    case 'boolean':
775      return cb(), h('input', {
776        type: 'checkbox', disabled: 'disabled', checked: val
777      })
778    default:
779      return cb(), String(val)
780  }
781}
782
783RenderMsg.prototype.missing = function (cb) {
784  this.wrapMini(h('code', 'MISSING'), cb)
785}
786
787RenderMsg.prototype.issues = function (cb) {
788  var self = this
789  var done = multicb({pluck: 1, spread: true})
790  var issues = u.toArray(self.c.issues)
791  if (self.c.type === 'issue-edit' && self.c.issue) {
792    issues.push({
793      link: self.c.issue,
794      title: self.c.title,
795      open: self.c.open,
796    })
797  }
798  var els = issues.map(function (issue) {
799    var commit = issue.object || issue.label ? [
800      issue.object ? h('code', issue.object) : '', ' ',
801      issue.label ? h('q', issue.label) : ''] : ''
802    if (issue.merged === true)
803      return h('div',
804        'merged ', self.link1(issue, done()))
805    if (issue.open === false)
806      return h('div',
807        'closed ', self.link1(issue, done()))
808    if (issue.open === true)
809      return h('div',
810        'reopened ', self.link1(issue, done()))
811    if (typeof issue.title === 'string')
812      return h('div',
813        'renamed ', self.link1(issue, done()), ' to ', h('ins', issue.title))
814  })
815  done(cb)
816  return els.length > 0 ? [els, h('br')] : ''
817}
818
819RenderMsg.prototype.repost = function (cb) {
820  var self = this
821  var id = u.linkDest(self.c.repost)
822  self.app.getMsg(id, function (err, msg) {
823    if (err && err.name == 'NotFoundError')
824      gotMsg(null, id.substring(0, 10)+'...(missing)')
825    else if (err) gotMsg(err)
826    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
827    else gotMsg(null, msg)
828  })
829  function gotMsg(err, msg) {
830    if (err) return cb(err)
831    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
832      renderMsg.message(function (err, msgEl) {
833        self.wrapMini(['reposted ',
834          h('code.ssb-id',
835            h('a', {href: self.render.toUrl(id)}, id)),
836          h('div', err ? u.renderError(err) : msgEl || '')
837        ], cb)
838    })
839  }
840}
841
842RenderMsg.prototype.update = function (cb) {
843  var id = String(this.c.update)
844  this.wrapMini([
845    h('div', 'updated ', h('code.ssb-id',
846      h('a', {href: this.render.toUrl(id)}, id))),
847    this.c.title ? h('h4.msg-title', this.c.title) : '',
848    this.c.description ? h('div',
849      {innerHTML: this.render.markdown(this.c.description)}) : ''
850  ], cb)
851}
852
853function formatDuration(s) {
854  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
855}
856
857RenderMsg.prototype.audio = function (cb) {
858  // fileName, fallbackFileName, overview
859  this.wrap(h('table', h('tr',
860    h('td',
861      this.c.artworkSrc
862      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
863          src: this.render.imageUrl(this.c.artworkSrc),
864          alt: ' ',
865          width: 72,
866          height: 72,
867        }))
868      : ''),
869    h('td',
870      h('a', {href: this.render.toUrl(this.c.audioSrc)}, this.c.title),
871      isFinite(this.c.duration)
872        ? ' (' + formatDuration(this.c.duration) + ')'
873        : '',
874      this.c.description
875        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
876        : ''
877  ))), cb)
878}
879
880RenderMsg.prototype.musicRelease = function (cb) {
881  var self = this
882  this.wrap([
883    h('table', h('tr',
884      h('td',
885        this.c.cover
886          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
887              src: this.render.imageUrl(this.c.cover),
888              alt: ' ',
889              width: 72,
890              height: 72,
891            }))
892          : ''),
893      h('td',
894        h('h4.msg-title', this.c.title),
895        this.c.text
896          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
897          : ''
898      )
899    )),
900    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
901      return h('li',
902        h('a', {href: self.render.toUrl(track.link)}, track.fname))
903    }))
904  ], cb)
905}
906
907RenderMsg.prototype.dns = function (cb) {
908  var self = this
909  var record = self.c.record || {}
910  var done = multicb({pluck: 1, spread: true})
911  var elCb = done()
912  self.wrap([
913    h('div',
914      h('p',
915        h('ins', {title: 'name'}, record.name), ' ',
916        h('span', {title: 'ttl'}, record.ttl), ' ',
917        h('span', {title: 'class'}, record.class), ' ',
918        h('span', {title: 'type'}, record.type)
919      ),
920      h('pre', {title: 'data'},
921        JSON.stringify(record.data || record.value, null, 2)),
922      !self.c.branch ? null : h('div',
923        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
924          return [self.link1(id, done()), i === 0 ? ', ' : '']
925        })
926      )
927    )
928  ], elCb)
929  done(cb)
930}
931
932RenderMsg.prototype.wifiNetwork = function (cb) {
933  var net = this.c.network || {}
934  this.wrap([
935    h('div', 'wifi network'),
936    h('table',
937      Object.keys(net).map(function (key) {
938        return h('tr',
939          h('td', key),
940          h('td', h('pre', JSON.stringify(net[key]))))
941      })
942    ),
943  ], cb)
944}
945
946RenderMsg.prototype.mutualCredit = function (cb) {
947  var self = this
948  var currency = String(self.c.currency)
949  self.link(self.c.account, function (err, a) {
950    if (err) return cb(err)
951    self.wrapMini([
952      'credits ', a || '?', ' ',
953      h('code', self.c.amount), ' ',
954      currency[0] === '#'
955        ? h('a', {href: self.toUrl(currency)}, currency)
956        : h('ins', currency),
957      self.c.memo ? [' for ', h('q', self.c.memo)] : ''
958    ], cb)
959  })
960}
961
962RenderMsg.prototype.mutualAccount = function (cb) {
963  return this.object(cb)
964}
965
966RenderMsg.prototype.gathering = function (cb) {
967  this.wrapMini('gathering', cb)
968}
969
970function unwrapP(html) {
971  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
972    return $1
973  })
974}
975
976RenderMsg.prototype.micro = function (cb) {
977  var el = h('span', {innerHTML: unwrapP(this.markdown())})
978  this.wrapMini(el, cb)
979}
980
981function hJoin(els, seperator, lastSeparator) {
982  return els.map(function (el, i) {
983    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
984  })
985}
986
987function asNpmReadme(readme) {
988  if (!readme || readme === 'ERROR: No README data found!') return
989  return u.ifString(readme)
990}
991
992function singleValue(obj) {
993  if (!obj || typeof obj !== 'object') return obj
994  var keys = Object.keys(obj)
995  if (keys.length === 1) return obj[keys[0]]
996}
997
998function ifDifferent(obj, value) {
999  if (singleValue(obj) !== value) return obj
1000}
1001
1002RenderMsg.prototype.npmPublish = function (cb) {
1003  var self = this
1004  var render = self.render
1005  var pkg = self.c.meta || {}
1006  var pkgReadme = asNpmReadme(pkg.readme)
1007  var pkgDescription = u.ifString(pkg.description)
1008
1009  var versions = Object.keys(pkg.versions || {})
1010  var singleVersion = versions.length === 1 ? versions[0] : null
1011  var singleRelease = singleVersion && pkg.versions[singleVersion]
1012  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1013
1014  var distTags = pkg['dist-tags'] || {}
1015  var distTagged = {}
1016  for (var distTag in distTags)
1017    if (distTag !== 'latest')
1018      distTagged[distTags[distTag]] = distTag
1019
1020  self.links(self.c.previousPublish, function (err, prevLinks) {
1021    if (err) return cb(err)
1022    self.wrap([
1023      h('div',
1024        'published ',
1025        h('u', pkg.name), ' ',
1026        hJoin(versions.map(function (version) {
1027          var distTag = distTagged[version]
1028          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1029        }), ', ')
1030      ),
1031      pkgDescription ? h('div',
1032        // TODO: make mdInline use custom emojis
1033        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1034      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1035      pkgReadme && pkgReadme !== singleReadme ?
1036        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1037      versions.map(function (version, i) {
1038        var release = pkg.versions[version] || {}
1039        var license = u.ifString(release.license)
1040        var author = ifDifferent(release.author, self.msg.value.author)
1041        var description = u.ifString(release.description)
1042        var readme = asNpmReadme(release.readme)
1043        var keywords = u.toArray(release.keywords).map(u.ifString)
1044        var dist = release.dist || {}
1045        var size = u.ifNumber(dist.size)
1046        return [
1047          h > 0 ? h('br') : '',
1048          version !== singleVersion ? h('div', 'version: ', version) : '',
1049          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1050          license ? h('div', 'license: ', h('code', license)) : '',
1051          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1052          size ? h('div', 'size: ', render.formatSize(size)) : '',
1053          description && description !== pkgDescription ?
1054            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1055          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1056        ]
1057      })
1058    ], cb)
1059  })
1060}
1061
1062RenderMsg.prototype.npmPackages = function (cb) {
1063  var self = this
1064  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1065    if (err) return cb(err)
1066    self.wrap(el, cb)
1067  })
1068}
1069
1070RenderMsg.prototype.npmPrebuilds = function (cb) {
1071  var self = this
1072  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1073    if (err) return cb(err)
1074    self.wrap(el, cb)
1075  })
1076}
1077
1078RenderMsg.prototype.npmPublishTitle = function (cb) {
1079  var pkg = this.c.meta || {}
1080  var name = pkg.name || pkg._id || '?'
1081
1082  var taggedVersions = {}
1083  for (var version in pkg.versions || {})
1084    taggedVersions[version] = []
1085
1086  var distTags = pkg['dist-tags'] || {}
1087  for (var distTag in distTags) {
1088    if (distTag === 'latest') continue
1089    var version = distTags[distTag] || '?'
1090    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1091    tags.push(distTag)
1092  }
1093
1094  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1095    var tags = taggedVersions[version]
1096    return (tags.length ? tags.join(',') + ':' : '') + version
1097  }).join(','))
1098}
1099
1100function expandDigitToSpaces(n) {
1101  return '         '.substr(-n)
1102}
1103
1104function parseFenRank (line) {
1105  return line.replace(/\d/g, expandDigitToSpaces).split('')
1106}
1107
1108function parseChess(fen) {
1109  var fields = String(fen).split(/\s+/)
1110  var ranks = fields[0].split('/')
1111  var f2 = fields[2] || ''
1112  return {
1113    board: ranks.map(parseFenRank),
1114    /*
1115    nextMove: fields[1] === 'b' ? 'black'
1116            : fields[1] === 'w' ? 'white' : 'unknown',
1117    castling: f2 === '-' ? {} : {
1118      w: {
1119        k: 0 < f2.indexOf('K'),
1120        q: 0 < f2.indexOf('Q'),
1121      },
1122      b: {
1123        k: 0 < f2.indexOf('k'),
1124        q: 0 < f2.indexOf('q'),
1125      }
1126    },
1127    enpassantTarget: fields[3] === '-' ? null : fields[3],
1128    halfmoves: Number(fields[4]),
1129    fullmoves: Number(fields[5]),
1130    */
1131  }
1132}
1133
1134var chessSymbols = {
1135  ' ': [' ', ''],
1136  P: ['♙', 'white', 'pawn'],
1137  N: ['♘', 'white', 'knight'],
1138  B: ['♗', 'white', 'bishop'],
1139  R: ['♖', 'white', 'rook'],
1140  Q: ['♕', 'white', 'queen'],
1141  K: ['♔', 'white', 'king'],
1142  p: ['♟', 'black', 'pawn'],
1143  n: ['♞', 'black', 'knight'],
1144  b: ['♝', 'black', 'bishop'],
1145  r: ['♜', 'black', 'rook'],
1146  q: ['♛', 'black', 'queen'],
1147  k: ['♚', 'black', 'king'],
1148}
1149
1150function chessPieceName(c) {
1151  return chessSymbols[c] && chessSymbols[c][2] || '?'
1152}
1153
1154function renderChessSymbol(c, loc) {
1155  var info = chessSymbols[c] || ['?', '', 'unknown']
1156  return h('span.symbol', {
1157    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1158  }, info[0])
1159}
1160
1161function chessLocToIdxs(loc) {
1162  var m = /^([a-h])([1-8])$/.exec(loc)
1163  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1164}
1165
1166function lookupPiece(board, loc) {
1167  var idxs = chessLocToIdxs(loc)
1168  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1169}
1170
1171function chessIdxsToLoc(i, j) {
1172  return 'abcdefgh'[j] + (8-i)
1173}
1174
1175RenderMsg.prototype.chessBoard = function (board) {
1176  if (!board) return ''
1177  return h('table.chess-board',
1178    board.map(function (rank, i) {
1179      return h('tr', rank.map(function (piece, j) {
1180        var dark = (i ^ j) & 1
1181        return h('td', {
1182          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1183        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1184      }))
1185    })
1186  )
1187}
1188
1189RenderMsg.prototype.chessMove = function (cb) {
1190  var self = this
1191  var c = self.c
1192  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1193  var game = parseChess(fen)
1194  var piece = game && lookupPiece(game.board, c.dest)
1195  self.link(self.c.root, function (err, rootLink) {
1196    if (err) return cb(err)
1197    self.wrap([
1198      h('div', h('small', '> ', rootLink)),
1199      h('p',
1200        // 'player ', (c.ply || ''), ' ',
1201        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1202        'from ', c.orig, ' ',
1203        'to ', c.dest
1204      ),
1205      self.chessBoard(game.board)
1206    ], cb)
1207  })
1208}
1209
1210RenderMsg.prototype.chessInvite = function (cb) {
1211  var self = this
1212  var myColor = self.c.myColor
1213  self.link(self.c.inviting, function (err, link) {
1214    if (err) return cb(err)
1215    self.wrap([
1216      'invites ', link, ' to play chess',
1217      // myColor ? h('p', 'my color is ' + myColor) : ''
1218    ], cb)
1219  })
1220}
1221
1222RenderMsg.prototype.chessInviteTitle = function (cb) {
1223  var self = this
1224  var done = multicb({pluck: 1, spread: true})
1225  self.getName(self.c.inviting, done())
1226  self.getName(self.msg.value.author, done())
1227  done(function (err, inviteeLink, inviterLink) {
1228    if (err) return cb(err)
1229    self.wrap([
1230      'chess: ', inviterLink, ' vs. ', inviteeLink
1231    ], cb)
1232  })
1233}
1234
1235RenderMsg.prototype.chessInviteAccept = function (cb) {
1236  var self = this
1237  self.link(self.c.root, function (err, rootLink) {
1238    if (err) return cb(err)
1239    self.wrap([
1240      h('div', h('small', '> ', rootLink)),
1241      h('p', 'accepts invitation to play chess')
1242    ], cb)
1243  })
1244}
1245
1246RenderMsg.prototype.chessGameEnd = function (cb) {
1247  var self = this
1248  var c = self.c
1249  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1250    if (err) return cb(err)
1251    self.wrap([
1252      h('div', h('small', '> ', rootLink)),
1253      h('p', h('strong', 'resigned'))
1254    ], cb)
1255  })
1256
1257  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1258  var game = parseChess(fen)
1259  var piece = game && lookupPiece(game.board, c.dest)
1260  var done = multicb({pluck: 1, spread: true})
1261  self.link(self.c.root, done())
1262  self.link(self.c.winner, done())
1263  done(function (err, rootLink, winnerLink) {
1264    if (err) return cb(err)
1265    self.wrap([
1266      h('div', h('small', '> ', rootLink)),
1267      h('p',
1268        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1269        'from ', c.orig, ' ',
1270        'to ', c.dest
1271      ),
1272      h('p',
1273        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1274      self.chessBoard(game.board)
1275    ], cb)
1276  })
1277}
1278
1279RenderMsg.prototype.chessChat = function (cb) {
1280  var self = this
1281  self.link(self.c.root, function (err, rootLink) {
1282    if (err) return cb(err)
1283    self.wrap([
1284      h('div', h('small', '> ', rootLink)),
1285      h('p', self.c.msg)
1286    ], cb)
1287  })
1288}
1289
1290RenderMsg.prototype.chessMove = function (cb) {
1291  if (this.opts.full) return this.chessMoveFull(cb)
1292  return this.chessMoveMini(cb)
1293}
1294
1295RenderMsg.prototype.chessMoveFull = function (cb) {
1296  var self = this
1297  var c = self.c
1298  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1299  var game = parseChess(fen)
1300  var piece = game && lookupPiece(game.board, c.dest)
1301  self.link(self.c.root, function (err, rootLink) {
1302    if (err) return cb(err)
1303    self.wrap([
1304      h('div', h('small', '> ', rootLink)),
1305      h('p',
1306        // 'player ', (c.ply || ''), ' ',
1307        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1308        'from ', c.orig, ' ',
1309        'to ', c.dest
1310      ),
1311      self.chessBoard(game.board)
1312    ], cb)
1313  })
1314}
1315
1316RenderMsg.prototype.chessMoveMini = function (cb) {
1317  var self = this
1318  var c = self.c
1319  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1320  var game = parseChess(fen)
1321  var piece = game && lookupPiece(game.board, c.dest)
1322  self.link(self.c.root, function (err, rootLink) {
1323    if (err) return cb(err)
1324    self.wrapMini([
1325      'moved ', chessPieceName(piece), ' ',
1326      'to ', c.dest
1327    ], cb)
1328  })
1329}
1330
1331RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1332  var self = this
1333  self.wrapMini(h('span',
1334    'serves ',
1335    hJoin(u.toArray(self.c.challenges).map(function (challenge) {
1336      return h('a', {
1337	href: 'http://' + challenge.domain +
1338	  '/.well-known/acme-challenge/' + challenge.token,
1339	title: challenge.keyAuthorization,
1340      }, challenge.domain)
1341    }), ', ', ', and ')
1342  ), cb)
1343}
1344
1345RenderMsg.prototype.bookclub = function (cb) {
1346  var self = this
1347  var props = self.c.common || self.c
1348  var images = u.toLinkArray(props.image || props.images)
1349  self.wrap(h('table', h('tr',
1350    h('td',
1351      images.map(function (image) {
1352        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1353          src: self.render.imageUrl(image.link),
1354          alt: image.name || ' ',
1355          width: 180,
1356        }))
1357      })),
1358    h('td',
1359      h('h4', props.title),
1360      props.authors ?
1361        h('p', h('em', props.authors))
1362        : '',
1363      props.description
1364        ? h('div', {innerHTML: self.render.markdown(props.description)})
1365        : ''
1366    )
1367  )), cb)
1368}
1369
1370RenderMsg.prototype.bookclubTitle = function (cb) {
1371  var props = this.c.common || this.c
1372  cb(null, props.title || 'book')
1373}
1374
1375RenderMsg.prototype.sombrioPosition = function () {
1376  return h('span', '[' + this.c.position + ']')
1377}
1378
1379RenderMsg.prototype.sombrioWall = function (cb) {
1380  var self = this
1381  self.wrapMini(h('span',
1382    self.sombrioPosition(),
1383    ' wall'
1384  ), cb)
1385}
1386
1387RenderMsg.prototype.sombrioTombstone = function (cb) {
1388  var self = this
1389  self.wrapMini(h('span',
1390    self.sombrioPosition(),
1391    ' tombstone'
1392  ), cb)
1393}
1394
1395RenderMsg.prototype.sombrioScore = function (cb) {
1396  var self = this
1397  self.wrapMini(h('span',
1398    'scored ',
1399    h('ins', self.c.score)
1400  ), cb)
1401}
1402

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