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Tree: 09cf04663fe2a772d5a06bbcf86b9014dc4f5228

Files: 09cf04663fe2a772d5a06bbcf86b9014dc4f5228 / lib / render-msg.js

51246 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
39function token() {
40  return '__' + Math.random().toString(36).substr(2) + '__'
41}
42
43RenderMsg.prototype.raw = function (cb) {
44  // linkify various things in the JSON. TODO: abstract this better
45
46  // clone the message for linkifying
47  var m = {}, k
48  for (k in this.msg) m[k] = this.msg[k]
49  m.value = {}
50  for (k in this.msg.value) m.value[k] = this.msg.value[k]
51  var tokens = {}
52
53  // link to feed starting from this message
54  if (m.value.sequence) {
55    var tok = token()
56    tokens[tok] = h('a', {href:
57      this.toUrl(m.value.author + '?gt=' + (m.value.sequence-1))},
58      m.value.sequence)
59    m.value.sequence = tok
60  }
61
62  if (typeof m.value.content === 'object' && m.value.content != null) {
63    var c = m.value.content = {}
64    for (k in this.c) c[k] = this.c[k]
65
66    // link to messages of same type
67    tok = token()
68    tokens[tok] = h('a', {href: this.toUrl('/type/' + c.type)}, c.type)
69    c.type = tok
70
71    // link to channel
72    if (c.channel) {
73      tok = token()
74      tokens[tok] = h('a', {href: this.toUrl('#' + c.channel)}, c.channel)
75      c.channel = tok
76    }
77
78    // link to hashtags
79    // TODO: recurse
80    for (var k in c) {
81      if (!c[k] || c[k][0] !== '#') continue
82      tok = token()
83      tokens[tok] = h('a', {href: this.toUrl(c[k])}, c[k])
84      c[k] = tok
85    }
86  }
87
88  // link refs
89  var els = this.linkify(JSON.stringify(m, 0, 2))
90
91  // stitch it all together
92  for (var i = 0; i < els.length; i++) {
93    if (typeof els[i] === 'string') {
94      for (var tok in tokens) {
95        if (els[i].indexOf(tok) !== -1) {
96          var parts = els[i].split(tok)
97          els.splice(i, 1, parts[0], tokens[tok], parts[1])
98          continue
99        }
100      }
101    }
102  }
103  this.wrap(h('pre', els), cb)
104}
105
106RenderMsg.prototype.wrap = function (content, cb) {
107  if (!this.shouldWrap) return cb(null, content)
108  var date = new Date(this.msg.value.timestamp)
109  var self = this
110  var channel = this.c.channel ? '#' + this.c.channel : ''
111  var done = multicb({pluck: 1, spread: true})
112  done()(null, [h('tr.msg-row',
113    h('td.msg-left', {rowspan: 2},
114      h('div', this.render.avatarImage(this.msg.value.author, done())),
115      h('div', this.render.idLink(this.msg.value.author, done())),
116      this.recpsLine(done())
117    ),
118    h('td.msg-main',
119      h('div.msg-header',
120        h('a.ssb-timestamp', {
121          title: date.toLocaleString(),
122          href: this.msg.key ? this.toUrl(this.msg.key) : undefined
123        }, htime(date)), ' ',
124        h('code', h('a.ssb-id',
125          {href: this.toUrl(this.msg.key)}, this.msg.key)),
126        channel ? [' ', h('a', {href: this.toUrl(channel)}, channel)] : '')),
127    h('td.msg-right', this.actions())
128  ), h('tr',
129    h('td.msg-content', {colspan: 2},
130      this.issues(done()),
131      content)
132  )])
133  done(cb)
134}
135
136RenderMsg.prototype.wrapMini = function (content, cb) {
137  if (!this.shouldWrap) return cb(null, content)
138  var date = new Date(this.value.timestamp)
139  var self = this
140  var channel = this.c.channel ? '#' + this.c.channel : ''
141  var done = multicb({pluck: 1, spread: true})
142  done()(null, h('tr.msg-row',
143    h('td.msg-left',
144      this.render.idLink(this.value.author, done()), ' ',
145      this.recpsLine(done()),
146      channel ? [h('a', {href: this.toUrl(channel)}, channel), ' '] : ''),
147    h('td.msg-main',
148      h('a.ssb-timestamp', {
149        title: date.toLocaleString(),
150        href: this.msg.key ? this.toUrl(this.msg.key) : undefined
151      }, htime(date)), ' ',
152      this.issues(done()),
153      content),
154    h('td.msg-right', this.actions())
155  ))
156  done(cb)
157}
158
159RenderMsg.prototype.actions = function () {
160  return this.msg.key ?
161    h('form', {method: 'post', action: ''},
162      this.msg.rel ? [this.msg.rel, ' '] : '',
163      this.opts.withGt && this.msg.timestamp ? [
164        h('a', {href: '?gt=' + this.msg.timestamp}, '↓'), ' '] : '',
165      this.c.type === 'gathering' ? [
166        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
167      /^(ssb_)?chess_/.test(this.c.type) ? [
168        h('a', {href: this.toUrl(this.msg.key) + '?full',
169          title: 'view full game board'}, 'full'), ' '] : '',
170      typeof this.c.text === 'string' ? [
171        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
172          title: 'view markdown source'}, 'md'), ' '] : '',
173      h('a', {href: this.toUrl(this.msg.key) + '?raw',
174        title: 'view raw message'}, 'raw'), ' ',
175      this.buttonsCommon(),
176      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
177      this.voteButton('dig')
178  ) : [
179    this.msg.rel ? [this.msg.rel, ' '] : ''
180  ]
181}
182
183RenderMsg.prototype.sync = function (cb) {
184  cb(null, h('tr.msg-row', h('td', {colspan: 3},
185    h('hr')
186  )))
187}
188
189RenderMsg.prototype.recpsLine = function (cb) {
190  if (!this.value.private) return cb(), ''
191  var author = this.value.author
192  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
193    return u.linkDest(link) !== author
194  })
195  return this.render.privateLine(recpsNotSelf, cb)
196}
197
198RenderMsg.prototype.recpsIds = function () {
199  return this.value.private
200    ? u.toArray(this.c.recps).map(u.linkDest)
201    : []
202}
203
204RenderMsg.prototype.buttonsCommon = function () {
205  var chan = this.msg.value.content.channel
206  var recps = this.recpsIds()
207  return [
208    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
209    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
210    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
211  ]
212}
213
214RenderMsg.prototype.voteButton = function (expression) {
215  var chan = this.msg.value.content.channel
216  return [
217    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
218    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
219    h('input', {type: 'submit', name: 'action_vote', value: expression})]
220}
221
222RenderMsg.prototype.attendButton = function () {
223  var chan = this.msg.value.content.channel
224  return [
225    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
226  ]
227}
228
229RenderMsg.prototype.message = function (cb) {
230  if (this.opts.raw) return this.raw(cb)
231  if (this.msg.sync) return this.sync(cb)
232  if (typeof this.c === 'string') return this.encrypted(cb)
233  if (this.isMissing) return this.missing(cb)
234  switch (this.c.type) {
235    case 'post': return this.post(cb)
236    case 'ferment/like':
237    case 'robeson/like':
238    case 'vote': return this.vote(cb)
239    case 'about': return this.about(cb)
240    case 'contact': return this.contact(cb)
241    case 'pub': return this.pub(cb)
242    case 'channel': return this.channel(cb)
243    case 'git-repo': return this.gitRepo(cb)
244    case 'git-update': return this.gitUpdate(cb)
245    case 'pull-request': return this.gitPullRequest(cb)
246    case 'issue': return this.issue(cb)
247    case 'issue-edit': return this.issueEdit(cb)
248    case 'music-release-cc': return this.musicRelease(cb)
249    case 'ssb-dns': return this.dns(cb)
250    case 'gathering': return this.gathering(cb)
251    case 'micro': return this.micro(cb)
252    case 'ferment/audio':
253    case 'robeson/audio':
254      return this.audio(cb)
255    case 'ferment/repost':
256    case 'robeson/repost':
257      return this.repost(cb)
258    case 'ferment/update':
259    case 'robeson/update':
260      return this.update(cb)
261    case 'chess_invite':
262    case 'ssb_chess_invite':
263      return this.chessInvite(cb)
264    case 'chess_invite_accept':
265    case 'ssb_chess_invite_accept':
266      return this.chessInviteAccept(cb)
267    case 'chess_move':
268    case 'ssb_chess_move':
269      return this.chessMove(cb)
270    case 'chess_game_end':
271    case 'ssb_chess_game_end':
272      return this.chessGameEnd(cb)
273    case 'chess_chat':
274      return this.chessChat(cb)
275    case 'wifi-network': return this.wifiNetwork(cb)
276    case 'mutual/credit': return this.mutualCredit(cb)
277    case 'mutual/account': return this.mutualAccount(cb)
278    case 'npm-publish': return this.npmPublish(cb)
279    case 'npm-packages': return this.npmPackages(cb)
280    case 'npm-prebuilds': return this.npmPrebuilds(cb)
281    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
282    case 'bookclub': return this.bookclub(cb)
283    case 'macaco_maluco-sombrio-wall': return this.sombrioWall(cb)
284    case 'macaco_maluco-sombrio-tombstone': return this.sombrioTombstone(cb)
285    case 'macaco_maluco-sombrio-score': return this.sombrioScore(cb)
286    case 'blog': return this.blog(cb)
287    case 'image-map': return this.imageMap(cb)
288    case 'talenet-identity-skill_assignment': return this.identitySkillAssign(cb)
289    case 'talenet-idea-skill_assignment': return this.ideaSkillAssign(cb)
290    case 'talenet-idea-create': return this.ideaCreate(cb)
291    case 'talenet-idea-association': return this.ideaAssocate(cb)
292    case 'talenet-skill-create': return this.skillCreate(cb)
293    case 'talenet-idea-hat': return this.ideaHat(cb)
294    case 'talenet-idea-update': return this.ideaUpdate(cb)
295    case 'talenet-idea-comment':
296    case 'talenet-idea-comment_reply': return this.ideaComment(cb)
297    case 'about-resource': return this.aboutResource(cb)
298    case 'line-comment': return this.lineComment(cb)
299    default: return this.object(cb)
300  }
301}
302
303RenderMsg.prototype.encrypted = function (cb) {
304  this.wrapMini(this.render.lockIcon(), cb)
305}
306
307RenderMsg.prototype.markdown = function (cb) {
308  if (this.opts.markdownSource)
309    return this.markdownSource(this.c.text, this.c.mentions)
310  return this.render.markdown(this.c.text, this.c.mentions)
311}
312
313RenderMsg.prototype.markdownSource = function (text, mentions) {
314  return h('div',
315    h('pre', String(text)),
316    mentions ? [
317      h('div', h('em', 'mentions:')),
318      this.valueTable(mentions, 2, function () {})
319    ] : ''
320  ).innerHTML
321}
322
323RenderMsg.prototype.post = function (cb) {
324  var self = this
325  var done = multicb({pluck: 1, spread: true})
326  if (self.c.root === self.c.branch) done()()
327  else self.link(self.c.root, done())
328  self.links(self.c.branch, done())
329  self.links(self.c.fork, done())
330  done(function (err, rootLink, branchLinks, forkLinks) {
331    if (err) return self.wrap(u.renderError(err), cb)
332    self.wrap(h('div.ssb-post',
333      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
334      branchLinks.map(function (a, i) {
335        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
336      }),
337      forkLinks.map(function (a, i) {
338        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
339      }),
340      h('div.ssb-post-text', {innerHTML: self.markdown()})
341    ), cb)
342  })
343}
344
345RenderMsg.prototype.vote = function (cb) {
346  var self = this
347  var v = self.c.vote || self.c.like || {}
348  self.link(v, function (err, a) {
349    if (err) return cb(err)
350    self.wrapMini([
351      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
352      ' ', a,
353      v.reason ? [' as ', h('q', v.reason)] : ''
354    ], cb)
355  })
356}
357
358RenderMsg.prototype.getName = function (id, cb) {
359  switch (id && id[0]) {
360    case '%': return this.getMsgName(id, cb)
361    case '@': // fallthrough
362    case '&': return this.getAboutName(id, cb)
363    default: return cb(null, String(id))
364  }
365}
366
367RenderMsg.prototype.getMsgName = function (id, cb) {
368  var self = this
369  self.app.getMsg(id, function (err, msg) {
370    if (err && err.name == 'NotFoundError')
371      cb(null, id.substring(0, 10)+'...(missing)')
372    else if (err) cb(err)
373      // preserve security: only decrypt the linked message if we decrypted
374      // this message
375    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
376    else gotMsg(null, msg)
377  })
378  function gotMsg(err, msg) {
379    if (err) return cb(err)
380    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
381  }
382}
383
384function truncate(str, len) {
385  str = String(str)
386  return str.length > len ? str.substr(0, len) + '...' : str
387}
388
389function title(str) {
390  return truncate(mdInline(str), 72)
391}
392
393RenderMsg.prototype.title = function (cb) {
394  var self = this
395  self.app.filterMsg(self.msg, self.opts, function (err, show) {
396    if (err) return cb(err)
397    if (show) self.title1(cb)
398    else cb(null, '[…]')
399  })
400}
401
402RenderMsg.prototype.title1 = function (cb) {
403  var self = this
404  if (!self.c || typeof self.c !== 'object') {
405    cb(null, self.msg.key)
406  } else if (typeof self.c.text === 'string') {
407    if (self.c.type === 'post')
408      cb(null, title(self.c.text))
409    else
410      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
411  } else {
412    if (self.c.type === 'ssb-dns')
413      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
414    else if (self.c.type === 'npm-publish')
415      self.npmPublishTitle(cb)
416    else if (self.c.type === 'chess_chat')
417      cb(null, title(self.c.msg))
418    else if (self.c.type === 'chess_invite')
419      self.chessInviteTitle(cb)
420    else if (self.c.type === 'bookclub')
421      self.bookclubTitle(cb)
422    else if (self.c.type === 'talenet-skill-create' && self.c.name)
423      cb(null, self.c.name)
424    else if (self.c.type === 'talenet-idea-create')
425      self.app.getIdeaTitle(self.msg.key, cb)
426    else
427    self.app.getAbout(self.msg.key, function (err, about) {
428      if (err) return cb(err)
429      var name = about.name || about.title
430        || (about.description && mdInline(about.description))
431      if (name) return cb(null, truncate(name, 72))
432      self.message(function (err, el) {
433        if (err) return cb(err)
434        cb(null, '%' + title(h('div', el).textContent))
435      })
436    })
437  }
438}
439
440RenderMsg.prototype.getAboutName = function (id, cb) {
441  this.app.getAbout(id, function (err, about) {
442    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
443  })
444}
445
446RenderMsg.prototype.link = function (link, cb) {
447  var self = this
448  var ref = u.linkDest(link)
449  if (!ref) return cb(null, '')
450  self.getName(ref, function (err, name) {
451    if (err) name = truncate(ref, 10)
452    cb(null, h('a', {href: self.toUrl(ref)}, name))
453  })
454}
455
456RenderMsg.prototype.link1 = function (link, cb) {
457  var self = this
458  var ref = u.linkDest(link)
459  if (!ref) return cb(), ''
460  var a = h('a', {href: self.toUrl(ref)}, ref)
461  self.getName(ref, function (err, name) {
462    if (err) name = ref
463    a.childNodes[0].textContent = name
464    cb()
465  })
466  return a
467}
468
469RenderMsg.prototype.links = function (links, cb) {
470  var self = this
471  var done = multicb({pluck: 1})
472  u.toArray(links).forEach(function (link) {
473    self.link(link, done())
474  })
475  done(cb)
476}
477
478function dateTime(d) {
479  var date = new Date(d.epoch)
480  return date.toString()
481  // d.bias
482  // d.epoch
483}
484
485// TODO: make more DRY
486var knownAboutProps = {
487  type: true,
488  root: true,
489  about: true,
490  attendee: true,
491  about: true,
492  image: true,
493  description: true,
494  name: true,
495  title: true,
496  attendee: true,
497  startDateTime: true,
498  endDateTime: true,
499  location: true,
500  /*
501  rating: true,
502  ratingType: true,
503  */
504  'talenet-version': true,
505}
506
507RenderMsg.prototype.about = function (cb) {
508  var keys = Object.keys(this.c).sort().join()
509  var isSelf = this.c.about === this.msg.value.author
510
511  if (keys === 'about,name,type') {
512    return this.wrapMini([
513      isSelf ?
514        'self-identifies as ' :
515        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
516      h('ins', this.c.name)
517    ], cb)
518  }
519
520  if (keys === 'about,publicWebHosting,type') {
521    var public = this.c.publicWebHosting && this.c.publicWebHosting !== 'false'
522    return this.wrapMini([
523      isSelf ?
524        public ? 'is okay with being hosted publicly'
525        : 'wishes to not to be hosted publicly'
526      : public ? ['thinks ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
527          ' should be hosted publicly ']
528        : ['wishes ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
529          ' to not be hosted publicly']
530    ], cb)
531  }
532
533  var done = multicb({pluck: 1, spread: true})
534  var elCb = done()
535
536  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
537    && keys === 'about,attendee,type'
538  if (isAttendingMsg) {
539    var attending = !this.c.attendee.remove
540    this.wrapMini([
541      attending ? ' is attending' : ' is not attending', ' ',
542      this.link1(this.c.about, done())
543      ], elCb)
544    return done(cb)
545  }
546
547  var extras
548  for (var k in this.c) {
549    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
550      if (!extras) extras = {}
551      extras[k] = this.c[k]
552    }
553  }
554
555  var img = u.linkDest(this.c.image)
556  // if there is a description, it is likely to be multi-line
557  var hasDescription = this.c.description != null
558  // if this about message gives the thing a name, show its id
559  var showComputedName = !isSelf && !this.c.name
560
561  this.wrap([
562    this.c.root ? h('div',
563      h('small', '> ', this.link1(this.c.root, done()))
564    ) : '',
565    isSelf ? 'self-describes as ' : [
566      'describes ',
567      !this.c.about ? ''
568        : showComputedName ? this.link1(this.c.about, done())
569        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
570      ' as '
571    ],
572    this.c.name ? [h('ins', this.c.name), ' '] : '',
573    this.c.description ? h('div',
574      {innerHTML: this.render.markdown(this.c.description)}) : '',
575    this.c.title ? h('h3', this.c.title) : '',
576    this.c.attendee ? h('div',
577      this.link1(this.c.attendee.link, done()),
578      this.c.attendee.remove ? ' is not attending' : ' is attending'
579    ) : '',
580    this.c.startDateTime ? h('div',
581      'starting at ', dateTime(this.c.startDateTime)) : '',
582    this.c.endDateTime ? h('div',
583      'ending at ', dateTime(this.c.endDateTime)) : '',
584    this.c.location ? h('div', 'at ', this.c.location) : '',
585    img ? h('a', {href: this.toUrl(img)},
586      h('img.ssb-avatar-image', {
587        src: this.render.imageUrl(img),
588        alt: ' ',
589      })) : '',
590    /*
591    this.c.rating != null ? this.aboutRating() : '',
592    */
593    extras ? this.valueTable(extras, 1, done())
594    : ''
595  ], elCb)
596  done(cb)
597}
598
599/*
600 * disabled until it's clearer how to do this -cel
601RenderMsg.prototype.aboutRating = function (cb) {
602  var rating = Number(this.c.rating)
603  var type = this.c.ratingType || '★'
604  var text = rating + ' ' + type
605  if (isNaN(rating)) return 'rating: ' + text
606  if (rating > 5) rating = 5
607  var el = h('div', {title: text})
608  for (var i = 0; i < rating; i++) {
609    el.appendChild(h('span',
610      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
611    ))
612  }
613  return el
614}
615*/
616
617RenderMsg.prototype.contact = function (cb) {
618  var self = this
619  self.link(self.c.contact, function (err, a) {
620    if (err) return cb(err)
621    if (!a) a = "?"
622      self.wrapMini([
623        self.c.following && self.c.autofollow ? 'follows pub' :
624        self.c.following && self.c.pub ? 'autofollows' :
625        self.c.following ? 'follows' :
626        self.c.blocking ? 'blocks' :
627        self.c.flagged ? 'flagged' :
628        self.c.following === false ? 'unfollows' :
629        self.c.blocking === false ? 'unblocks' : '',
630        self.c.flagged === false ? 'unflagged' :
631        ' ', a,
632        self.c.note ? [
633          ' from ',
634          h('code', self.c.note)
635        ] : '',
636        self.c.reason ? [' because ', h('q', self.c.reason)] : ''
637      ], cb)
638  })
639}
640
641RenderMsg.prototype.pub = function (cb) {
642  var self = this
643  var addr = self.c.address || {}
644  self.link(addr.key, function (err, pubLink) {
645    if (err) return cb(err)
646      self.wrapMini([
647        'connects to ', pubLink, ' at ',
648        h('code', addr.host + ':' + addr.port)], cb)
649  })
650}
651
652RenderMsg.prototype.channel = function (cb) {
653  var chan = '#' + this.c.channel
654  this.wrapMini([
655    this.c.subscribed ? 'subscribes to ' :
656    this.c.subscribed === false ? 'unsubscribes from ' : '',
657    h('a', {href: this.toUrl(chan)}, chan)], cb)
658}
659
660RenderMsg.prototype.gitRepo = function (cb) {
661  var self = this
662  var id = self.msg.key
663  var name = self.c.name
664  var upstream = self.c.upstream
665  self.link(upstream, function (err, upstreamA) {
666    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
667    self.wrapMini([
668      upstream ? ['forked ', upstreamA, ': '] : '',
669      'git clone ',
670      h('code', h('small', 'ssb://' + id)),
671      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
672    ], cb)
673  })
674}
675
676RenderMsg.prototype.gitUpdate = function (cb) {
677  var self = this
678  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
679  var size = [].concat(self.c.packs, self.c.indexes)
680    .map(function (o) { return o && o.size })
681    .reduce(function (total, s) { return total + s })
682
683  var done = multicb({pluck: 1, spread: true})
684  self.link(self.c.repo, done())
685  self.render.npmPackageMentions(self.c.mentions, done())
686  self.render.npmPrebuildMentions(self.c.mentions, done())
687  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
688    if (err) return cb(err)
689      self.wrap(h('div.ssb-git-update',
690        'git push ', a, ' ',
691        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
692        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
693          var id = self.c.refs[ref]
694          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
695          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
696            + '?msg=' + encodeURIComponent(self.msg.key))
697          return h('li',
698            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
699            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
700               : h('em', 'deleted'))
701      })) : '',
702      Array.isArray(self.c.commits) ?
703        h('ul', self.c.commits.map(function (commit) {
704          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
705            + '?msg=' + encodeURIComponent(self.msg.key)
706          return h('li', h('a', {href: self.render.toUrl(path)},
707            h('code', String(commit.sha1).substr(0, 8))), ' ',
708            self.linkify(String(commit.title)),
709            self.render.gitCommitBody(commit.body)
710          )
711        })) : '',
712      Array.isArray(self.c.tags) ?
713        h('ul', self.c.tags.map(function (tag) {
714          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
715            + '?msg=' + encodeURIComponent(self.msg.key)
716          return h('li',
717            h('a', {href: self.render.toUrl(path)},
718              h('code', String(tag.sha1).substr(0, 8))), ' ',
719            'tagged ', String(tag.type), ' ',
720            h('code', String(tag.object).substr(0, 8)), ' ',
721            String(tag.tag),
722            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
723            tag.body ? self.render.gitCommitBody(tag.body) : ''
724          )
725        })) : '',
726        self.c.commits_more ? h('div',
727          '+ ' + self.c.commits_more + ' more commits') : '',
728        self.c.tags_more ? h('div',
729          '+ ' + self.c.tags_more + ' more tags') : '',
730        pkgMentionsEl,
731        prebuildMentionsEl
732    ), cb)
733  })
734}
735
736RenderMsg.prototype.gitPullRequest = function (cb) {
737  var self = this
738  var done = multicb({pluck: 1, spread: true})
739  self.link(self.c.repo, done())
740  self.link(self.c.head_repo, done())
741  done(function (err, baseRepoLink, headRepoLink) {
742    if (err) return cb(err)
743    self.wrap(h('div.ssb-pull-request',
744      'pull request ',
745      'to ', baseRepoLink, ':', self.c.branch, ' ',
746      'from ', headRepoLink, ':', self.c.head_branch,
747      self.c.title ? h('h4', self.c.title) : '',
748      h('div', {innerHTML: self.markdown()})), cb)
749  })
750}
751
752RenderMsg.prototype.issue = function (cb) {
753  var self = this
754  self.link(self.c.project, function (err, projectLink) {
755    if (err) return cb(err)
756    self.wrap(h('div.ssb-issue',
757      'issue on ', projectLink,
758      self.c.title ? h('h4', self.c.title) : '',
759      h('div', {innerHTML: self.markdown()})), cb)
760  })
761}
762
763RenderMsg.prototype.issueEdit = function (cb) {
764  this.wrap('', cb)
765}
766
767RenderMsg.prototype.object = function (cb) {
768  var done = multicb({pluck: 1, spread: true})
769  var elCb = done()
770  this.wrap([
771    this.valueTable(this.c, 1, done()),
772  ], elCb)
773  done(cb)
774}
775
776RenderMsg.prototype.valueTable = function (val, depth, cb) {
777  var isContent = depth === 1
778  var self = this
779  switch (typeof val) {
780    case 'object':
781      if (val === null) return cb(), ''
782      var done = multicb({pluck: 1, spread: true})
783      var el = Array.isArray(val)
784        ? h('ul', val.map(function (item) {
785          return h('li', self.valueTable(item, depth + 1, done()))
786        }))
787        : h('table.ssb-object', Object.keys(val).map(function (key) {
788          if (key === 'text') {
789            return h('tr',
790              h('td', h('strong', 'text')),
791              h('td', h('div', {
792                innerHTML: self.render.markdown(val.text, val.mentions)
793              }))
794            )
795          } else if (isContent && key === 'type') {
796            // TODO: also link to images by type, using links2
797            var type = val.type
798            return h('tr',
799              h('td', h('strong', 'type')),
800              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
801            )
802          }
803          return h('tr',
804            h('td', h('strong', key)),
805            h('td', self.valueTable(val[key], depth + 1, done()))
806          )
807        }))
808      done(cb)
809      return el
810    case 'string':
811      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
812      if (u.isRef(val)) return self.link1(val, cb)
813      if (/^ssb-blob:\/\//.test(val)) return cb(), h('a', {href: self.toUrl(val)}, val)
814      return cb(), self.linkify(val)
815    case 'boolean':
816      return cb(), h('input', {
817        type: 'checkbox', disabled: 'disabled', checked: val
818      })
819    default:
820      return cb(), String(val)
821  }
822}
823
824RenderMsg.prototype.missing = function (cb) {
825  this.wrapMini([
826    h('code', 'MISSING'), ' ',
827    h('a', {href: '?ooo=1'}, 'fetch')
828  ], cb)
829}
830
831RenderMsg.prototype.issues = function (cb) {
832  var self = this
833  var done = multicb({pluck: 1, spread: true})
834  var issues = u.toArray(self.c.issues)
835  if (self.c.type === 'issue-edit' && self.c.issue) {
836    issues.push({
837      link: self.c.issue,
838      title: self.c.title,
839      open: self.c.open,
840    })
841  }
842  var els = issues.map(function (issue) {
843    var commit = issue.object || issue.label ? [
844      issue.object ? h('code', issue.object) : '', ' ',
845      issue.label ? h('q', issue.label) : ''] : ''
846    if (issue.merged === true)
847      return h('div',
848        'merged ', self.link1(issue, done()))
849    if (issue.open === false)
850      return h('div',
851        'closed ', self.link1(issue, done()))
852    if (issue.open === true)
853      return h('div',
854        'reopened ', self.link1(issue, done()))
855    if (typeof issue.title === 'string')
856      return h('div',
857        'renamed ', self.link1(issue, done()), ' to ', h('ins', issue.title))
858  })
859  done(cb)
860  return els.length > 0 ? [els, h('br')] : ''
861}
862
863RenderMsg.prototype.repost = function (cb) {
864  var self = this
865  var id = u.linkDest(self.c.repost)
866  self.app.getMsg(id, function (err, msg) {
867    if (err && err.name == 'NotFoundError')
868      gotMsg(null, id.substring(0, 10)+'...(missing)')
869    else if (err) gotMsg(err)
870    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
871    else gotMsg(null, msg)
872  })
873  function gotMsg(err, msg) {
874    if (err) return cb(err)
875    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
876      renderMsg.message(function (err, msgEl) {
877        self.wrapMini(['reposted ',
878          h('code.ssb-id',
879            h('a', {href: self.render.toUrl(id)}, id)),
880          h('div', err ? u.renderError(err) : msgEl || '')
881        ], cb)
882    })
883  }
884}
885
886RenderMsg.prototype.update = function (cb) {
887  var id = String(this.c.update)
888  this.wrapMini([
889    h('div', 'updated ', h('code.ssb-id',
890      h('a', {href: this.render.toUrl(id)}, id))),
891    this.c.title ? h('h4.msg-title', this.c.title) : '',
892    this.c.description ? h('div',
893      {innerHTML: this.render.markdown(this.c.description)}) : ''
894  ], cb)
895}
896
897function formatDuration(s) {
898  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
899}
900
901RenderMsg.prototype.audio = function (cb) {
902  // fileName, fallbackFileName, overview
903  this.wrap(h('table', h('tr',
904    h('td',
905      this.c.artworkSrc
906      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
907          src: this.render.imageUrl(this.c.artworkSrc),
908          alt: ' ',
909          width: 72,
910          height: 72,
911        }))
912      : ''),
913    h('td',
914      h('a', {href: this.render.toUrl(this.c.audioSrc)}, this.c.title),
915      isFinite(this.c.duration)
916        ? ' (' + formatDuration(this.c.duration) + ')'
917        : '',
918      this.c.description
919        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
920        : ''
921  ))), cb)
922}
923
924RenderMsg.prototype.musicRelease = function (cb) {
925  var self = this
926  this.wrap([
927    h('table', h('tr',
928      h('td',
929        this.c.cover
930          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
931              src: this.render.imageUrl(this.c.cover),
932              alt: ' ',
933              width: 72,
934              height: 72,
935            }))
936          : ''),
937      h('td',
938        h('h4.msg-title', this.c.title),
939        this.c.text
940          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
941          : ''
942      )
943    )),
944    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
945      return h('li',
946        h('a', {href: self.render.toUrl(track.link)}, track.fname))
947    }))
948  ], cb)
949}
950
951RenderMsg.prototype.dns = function (cb) {
952  var self = this
953  var record = self.c.record || {}
954  var done = multicb({pluck: 1, spread: true})
955  var elCb = done()
956  self.wrap([
957    h('div',
958      h('p',
959        h('ins', {title: 'name'}, record.name), ' ',
960        h('span', {title: 'ttl'}, record.ttl), ' ',
961        h('span', {title: 'class'}, record.class), ' ',
962        h('span', {title: 'type'}, record.type)
963      ),
964      h('pre', {title: 'data'},
965        JSON.stringify(record.data || record.value, null, 2)),
966      !self.c.branch ? null : h('div',
967        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
968          return [self.link1(id, done()), i === 0 ? ', ' : '']
969        })
970      )
971    )
972  ], elCb)
973  done(cb)
974}
975
976RenderMsg.prototype.wifiNetwork = function (cb) {
977  var net = this.c.network || {}
978  this.wrap([
979    h('div', 'wifi network'),
980    h('table',
981      Object.keys(net).map(function (key) {
982        return h('tr',
983          h('td', key),
984          h('td', h('pre', JSON.stringify(net[key]))))
985      })
986    ),
987  ], cb)
988}
989
990RenderMsg.prototype.mutualCredit = function (cb) {
991  var self = this
992  var currency = String(self.c.currency)
993  self.link(self.c.account, function (err, a) {
994    if (err) return cb(err)
995    self.wrapMini([
996      'credits ', a || '?', ' ',
997      h('code', self.c.amount), ' ',
998      currency[0] === '#'
999        ? h('a', {href: self.toUrl(currency)}, currency)
1000        : h('ins', currency),
1001      self.c.memo ? [' for ', h('q', self.c.memo)] : ''
1002    ], cb)
1003  })
1004}
1005
1006RenderMsg.prototype.mutualAccount = function (cb) {
1007  return this.object(cb)
1008}
1009
1010RenderMsg.prototype.gathering = function (cb) {
1011  this.wrapMini('gathering', cb)
1012}
1013
1014function unwrapP(html) {
1015  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
1016    return $1
1017  })
1018}
1019
1020RenderMsg.prototype.micro = function (cb) {
1021  var el = h('span', {innerHTML: unwrapP(this.markdown())})
1022  this.wrapMini(el, cb)
1023}
1024
1025function hJoin(els, seperator, lastSeparator) {
1026  return els.map(function (el, i) {
1027    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
1028  })
1029}
1030
1031function asNpmReadme(readme) {
1032  if (!readme || readme === 'ERROR: No README data found!') return
1033  return u.ifString(readme)
1034}
1035
1036function singleValue(obj) {
1037  if (!obj || typeof obj !== 'object') return obj
1038  var keys = Object.keys(obj)
1039  if (keys.length === 1) return obj[keys[0]]
1040}
1041
1042function ifDifferent(obj, value) {
1043  if (singleValue(obj) !== value) return obj
1044}
1045
1046RenderMsg.prototype.npmPublish = function (cb) {
1047  var self = this
1048  var render = self.render
1049  var pkg = self.c.meta || {}
1050  var pkgReadme = asNpmReadme(pkg.readme)
1051  var pkgDescription = u.ifString(pkg.description)
1052
1053  var versions = Object.keys(pkg.versions || {})
1054  var singleVersion = versions.length === 1 ? versions[0] : null
1055  var singleRelease = singleVersion && pkg.versions[singleVersion]
1056  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1057
1058  var distTags = pkg['dist-tags'] || {}
1059  var distTagged = {}
1060  for (var distTag in distTags)
1061    if (distTag !== 'latest')
1062      distTagged[distTags[distTag]] = distTag
1063
1064  self.links(self.c.previousPublish, function (err, prevLinks) {
1065    if (err) return cb(err)
1066    self.wrap([
1067      h('div',
1068        'published ',
1069        h('u', pkg.name), ' ',
1070        hJoin(versions.map(function (version) {
1071          var distTag = distTagged[version]
1072          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1073        }), ', ')
1074      ),
1075      pkgDescription ? h('div',
1076        // TODO: make mdInline use custom emojis
1077        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1078      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1079      pkgReadme && pkgReadme !== singleReadme ?
1080        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1081      versions.map(function (version, i) {
1082        var release = pkg.versions[version] || {}
1083        var license = u.ifString(release.license)
1084        var author = ifDifferent(release.author, self.msg.value.author)
1085        var description = u.ifString(release.description)
1086        var readme = asNpmReadme(release.readme)
1087        var keywords = u.toArray(release.keywords).map(u.ifString)
1088        var dist = release.dist || {}
1089        var size = u.ifNumber(dist.size)
1090        return [
1091          h > 0 ? h('br') : '',
1092          version !== singleVersion ? h('div', 'version: ', version) : '',
1093          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1094          license ? h('div', 'license: ', h('code', license)) : '',
1095          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1096          size ? h('div', 'size: ', render.formatSize(size)) : '',
1097          description && description !== pkgDescription ?
1098            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1099          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1100        ]
1101      })
1102    ], cb)
1103  })
1104}
1105
1106RenderMsg.prototype.npmPackages = function (cb) {
1107  var self = this
1108  var done = multicb({pluck: 1, spread: true})
1109  var elCb = done()
1110  function renderIdLink(id) {
1111    return [h('a', {href: self.toUrl(id)}, truncate(id, 8)), ' ']
1112  }
1113  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1114    if (err) return cb(err)
1115    var dependencyLinks = u.toArray(self.c.dependencyBranch)
1116    var versionLinks = u.toArray(self.c.versionBranch)
1117    self.wrap(h('div', [
1118      el,
1119      dependencyLinks.length ? h('div',
1120        'dependencies via: ', dependencyLinks.map(renderIdLink)
1121      ) : '',
1122      versionLinks.length ? h('div',
1123        'previous versions: ', versionLinks.map(renderIdLink)
1124      ) : ''
1125    ]), elCb)
1126    return done(cb)
1127  })
1128}
1129
1130RenderMsg.prototype.npmPrebuilds = function (cb) {
1131  var self = this
1132  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1133    if (err) return cb(err)
1134    self.wrap(el, cb)
1135  })
1136}
1137
1138RenderMsg.prototype.npmPublishTitle = function (cb) {
1139  var pkg = this.c.meta || {}
1140  var name = pkg.name || pkg._id || '?'
1141
1142  var taggedVersions = {}
1143  for (var version in pkg.versions || {})
1144    taggedVersions[version] = []
1145
1146  var distTags = pkg['dist-tags'] || {}
1147  for (var distTag in distTags) {
1148    if (distTag === 'latest') continue
1149    var version = distTags[distTag] || '?'
1150    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1151    tags.push(distTag)
1152  }
1153
1154  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1155    var tags = taggedVersions[version]
1156    return (tags.length ? tags.join(',') + ':' : '') + version
1157  }).join(','))
1158}
1159
1160function expandDigitToSpaces(n) {
1161  return '         '.substr(-n)
1162}
1163
1164function parseFenRank (line) {
1165  return line.replace(/\d/g, expandDigitToSpaces).split('')
1166}
1167
1168function parseChess(fen) {
1169  var fields = String(fen).split(/\s+/)
1170  var ranks = fields[0].split('/')
1171  var f2 = fields[2] || ''
1172  return {
1173    board: ranks.map(parseFenRank),
1174    /*
1175    nextMove: fields[1] === 'b' ? 'black'
1176            : fields[1] === 'w' ? 'white' : 'unknown',
1177    castling: f2 === '-' ? {} : {
1178      w: {
1179        k: 0 < f2.indexOf('K'),
1180        q: 0 < f2.indexOf('Q'),
1181      },
1182      b: {
1183        k: 0 < f2.indexOf('k'),
1184        q: 0 < f2.indexOf('q'),
1185      }
1186    },
1187    enpassantTarget: fields[3] === '-' ? null : fields[3],
1188    halfmoves: Number(fields[4]),
1189    fullmoves: Number(fields[5]),
1190    */
1191  }
1192}
1193
1194var chessSymbols = {
1195  ' ': [' ', ''],
1196  P: ['♙', 'white', 'pawn'],
1197  N: ['♘', 'white', 'knight'],
1198  B: ['♗', 'white', 'bishop'],
1199  R: ['♖', 'white', 'rook'],
1200  Q: ['♕', 'white', 'queen'],
1201  K: ['♔', 'white', 'king'],
1202  p: ['♟', 'black', 'pawn'],
1203  n: ['♞', 'black', 'knight'],
1204  b: ['♝', 'black', 'bishop'],
1205  r: ['♜', 'black', 'rook'],
1206  q: ['♛', 'black', 'queen'],
1207  k: ['♚', 'black', 'king'],
1208}
1209
1210function chessPieceName(c) {
1211  return chessSymbols[c] && chessSymbols[c][2] || '?'
1212}
1213
1214function renderChessSymbol(c, loc) {
1215  var info = chessSymbols[c] || ['?', '', 'unknown']
1216  return h('span.symbol', {
1217    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1218  }, info[0])
1219}
1220
1221function chessLocToIdxs(loc) {
1222  var m = /^([a-h])([1-8])$/.exec(loc)
1223  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1224}
1225
1226function lookupPiece(board, loc) {
1227  var idxs = chessLocToIdxs(loc)
1228  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1229}
1230
1231function chessIdxsToLoc(i, j) {
1232  return 'abcdefgh'[j] + (8-i)
1233}
1234
1235RenderMsg.prototype.chessBoard = function (board) {
1236  if (!board) return ''
1237  return h('table.chess-board',
1238    board.map(function (rank, i) {
1239      return h('tr', rank.map(function (piece, j) {
1240        var dark = (i ^ j) & 1
1241        return h('td', {
1242          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1243        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1244      }))
1245    })
1246  )
1247}
1248
1249RenderMsg.prototype.chessMove = function (cb) {
1250  var self = this
1251  var c = self.c
1252  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1253  var game = parseChess(fen)
1254  var piece = game && lookupPiece(game.board, c.dest)
1255  self.link(self.c.root, function (err, rootLink) {
1256    if (err) return cb(err)
1257    self.wrap([
1258      h('div', h('small', '> ', rootLink)),
1259      h('p',
1260        // 'player ', (c.ply || ''), ' ',
1261        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1262        'from ', c.orig, ' ',
1263        'to ', c.dest
1264      ),
1265      self.chessBoard(game.board)
1266    ], cb)
1267  })
1268}
1269
1270RenderMsg.prototype.chessInvite = function (cb) {
1271  var self = this
1272  var myColor = self.c.myColor
1273  self.link(self.c.inviting, function (err, link) {
1274    if (err) return cb(err)
1275    self.wrap([
1276      'invites ', link, ' to play chess',
1277      // myColor ? h('p', 'my color is ' + myColor) : ''
1278    ], cb)
1279  })
1280}
1281
1282RenderMsg.prototype.chessInviteTitle = function (cb) {
1283  var self = this
1284  var done = multicb({pluck: 1, spread: true})
1285  self.getName(self.c.inviting, done())
1286  self.getName(self.msg.value.author, done())
1287  done(function (err, inviteeLink, inviterLink) {
1288    if (err) return cb(err)
1289    self.wrap([
1290      'chess: ', inviterLink, ' vs. ', inviteeLink
1291    ], cb)
1292  })
1293}
1294
1295RenderMsg.prototype.chessInviteAccept = function (cb) {
1296  var self = this
1297  self.link(self.c.root, function (err, rootLink) {
1298    if (err) return cb(err)
1299    self.wrap([
1300      h('div', h('small', '> ', rootLink)),
1301      h('p', 'accepts invitation to play chess')
1302    ], cb)
1303  })
1304}
1305
1306RenderMsg.prototype.chessGameEnd = function (cb) {
1307  var self = this
1308  var c = self.c
1309  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1310    if (err) return cb(err)
1311    self.wrap([
1312      h('div', h('small', '> ', rootLink)),
1313      h('p', h('strong', 'resigned'))
1314    ], cb)
1315  })
1316
1317  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1318  var game = parseChess(fen)
1319  var piece = game && lookupPiece(game.board, c.dest)
1320  var done = multicb({pluck: 1, spread: true})
1321  self.link(self.c.root, done())
1322  self.link(self.c.winner, done())
1323  done(function (err, rootLink, winnerLink) {
1324    if (err) return cb(err)
1325    self.wrap([
1326      h('div', h('small', '> ', rootLink)),
1327      h('p',
1328        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1329        'from ', c.orig, ' ',
1330        'to ', c.dest
1331      ),
1332      h('p',
1333        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1334      self.chessBoard(game.board)
1335    ], cb)
1336  })
1337}
1338
1339RenderMsg.prototype.chessChat = function (cb) {
1340  var self = this
1341  self.link(self.c.root, function (err, rootLink) {
1342    if (err) return cb(err)
1343    self.wrap([
1344      h('div', h('small', '> ', rootLink)),
1345      h('p', self.c.msg)
1346    ], cb)
1347  })
1348}
1349
1350RenderMsg.prototype.chessMove = function (cb) {
1351  if (this.opts.full) return this.chessMoveFull(cb)
1352  return this.chessMoveMini(cb)
1353}
1354
1355RenderMsg.prototype.chessMoveFull = function (cb) {
1356  var self = this
1357  var c = self.c
1358  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1359  var game = parseChess(fen)
1360  var piece = game && lookupPiece(game.board, c.dest)
1361  self.link(self.c.root, function (err, rootLink) {
1362    if (err) return cb(err)
1363    self.wrap([
1364      h('div', h('small', '> ', rootLink)),
1365      h('p',
1366        // 'player ', (c.ply || ''), ' ',
1367        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1368        'from ', c.orig, ' ',
1369        'to ', c.dest
1370      ),
1371      self.chessBoard(game.board)
1372    ], cb)
1373  })
1374}
1375
1376RenderMsg.prototype.chessMoveMini = function (cb) {
1377  var self = this
1378  var c = self.c
1379  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1380  var game = parseChess(fen)
1381  var piece = game && lookupPiece(game.board, c.dest)
1382  self.link(self.c.root, function (err, rootLink) {
1383    if (err) return cb(err)
1384    self.wrapMini([
1385      'moved ', chessPieceName(piece), ' ',
1386      'to ', c.dest
1387    ], cb)
1388  })
1389}
1390
1391RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1392  var self = this
1393  self.wrapMini(h('span',
1394    'serves ',
1395    hJoin(u.toArray(self.c.challenges).map(function (challenge) {
1396      return h('a', {
1397        href: 'http://' + challenge.domain +
1398          '/.well-known/acme-challenge/' + challenge.token,
1399        title: challenge.keyAuthorization,
1400      }, challenge.domain)
1401    }), ', ', ', and ')
1402  ), cb)
1403}
1404
1405RenderMsg.prototype.bookclub = function (cb) {
1406  var self = this
1407  var props = self.c.common || self.c
1408  var images = u.toLinkArray(props.image || props.images)
1409  self.wrap(h('table', h('tr',
1410    h('td',
1411      images.map(function (image) {
1412        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1413          src: self.render.imageUrl(image.link),
1414          alt: image.name || ' ',
1415          width: 180,
1416        }))
1417      })),
1418    h('td',
1419      h('h4', props.title),
1420      props.authors ?
1421        h('p', h('em', props.authors))
1422        : '',
1423      props.description
1424        ? h('div', {innerHTML: self.render.markdown(props.description)})
1425        : ''
1426    )
1427  )), cb)
1428}
1429
1430RenderMsg.prototype.bookclubTitle = function (cb) {
1431  var props = this.c.common || this.c
1432  cb(null, props.title || 'book')
1433}
1434
1435RenderMsg.prototype.sombrioPosition = function () {
1436  return h('span', '[' + this.c.position + ']')
1437}
1438
1439RenderMsg.prototype.sombrioWall = function (cb) {
1440  var self = this
1441  self.wrapMini(h('span',
1442    self.sombrioPosition(),
1443    ' wall'
1444  ), cb)
1445}
1446
1447RenderMsg.prototype.sombrioTombstone = function (cb) {
1448  var self = this
1449  self.wrapMini(h('span',
1450    self.sombrioPosition(),
1451    ' tombstone'
1452  ), cb)
1453}
1454
1455RenderMsg.prototype.sombrioScore = function (cb) {
1456  var self = this
1457  self.wrapMini(h('span',
1458    'scored ',
1459    h('ins', self.c.score)
1460  ), cb)
1461}
1462
1463RenderMsg.prototype.blog = function (cb) {
1464  var self = this
1465  var blogId = u.linkDest(self.c.blog)
1466  var imgId = u.linkDest(self.c.thumbnail)
1467  var imgLink = imgId ? u.toLinkArray(self.c.mentions).filter(function (link) {
1468    return link.link === imgId
1469  })[0] || u.toLink(self.c.thumbnail) : null
1470  self.wrapMini(h('table', h('tr',
1471    h('td',
1472      imgId ? h('img', {
1473        src: self.render.imageUrl(imgId),
1474        alt: (imgLink.name || '')
1475          + (imgLink.size != null ? ' (' + self.render.formatSize(imgLink.size) + ')' : ''),
1476        width: 180,
1477      }) : 'blog'),
1478    h('td',
1479      blogId ? h('h3', h('a', {href: self.render.toUrl('/markdown/' + blogId)},
1480        self.c.title || self.msg.key)) : '',
1481      self.c.summary || '')
1482  )), cb)
1483}
1484
1485RenderMsg.prototype.imageMap = function (cb) {
1486  var self = this
1487  var imgLink = u.toLink(self.c.image)
1488  var imgRef = imgLink && imgLink.link
1489  var mapName = 'map' + token()
1490  self.wrap(h('div', [
1491    h('map', {name: mapName},
1492      u.toArray(self.c.areas).map(function (areaLink) {
1493        var href = areaLink && self.toUrl(areaLink.link)
1494        return href ? h('area', {
1495          shape: String(areaLink.shape),
1496          coords: String(areaLink.coords),
1497          href: href,
1498        }) : ''
1499      })
1500    ),
1501    imgRef && imgRef[0] === '&' ? h('img', {
1502      src: self.render.imageUrl(imgRef),
1503      width: Number(imgLink.width) || undefined,
1504      height: Number(imgLink.height) || undefined,
1505      alt: String(imgLink.name || ''),
1506      usemap: '#' + mapName,
1507    }) : ''
1508  ]), cb)
1509}
1510
1511RenderMsg.prototype.skillCreate = function (cb) {
1512  var self = this
1513  self.wrapMini(h('span',
1514    ' created skill ',
1515    h('ins', self.c.name)
1516  ), cb)
1517}
1518
1519RenderMsg.prototype.ideaCreate = function (cb) {
1520  var self = this
1521  self.wrapMini(h('span',
1522    ' has an idea'
1523  ), cb)
1524}
1525
1526RenderMsg.prototype.identitySkillAssign = function (cb) {
1527  var self = this
1528  self.link(self.c.skillKey, function (err, a) {
1529    self.wrapMini(h('span',
1530      self.c.action === 'assign' ? 'assigns '
1531        : self.c.action === 'unassign' ? 'unassigns '
1532        : h('code', self.c.action), ' ',
1533      'skill ', a
1534    ), cb)
1535  })
1536}
1537
1538RenderMsg.prototype.ideaSkillAssign = function (cb) {
1539  var self = this
1540  var done = multicb({pluck: 1, spread: true})
1541  self.link(self.c.skillKey, done())
1542  self.link(self.c.ideaKey, done())
1543  done(function (err, skillA, ideaA) {
1544    self.wrapMini(h('span',
1545      self.c.action === 'assign' ? 'assigns '
1546        : self.c.action === 'unassign' ? 'unassigns '
1547        : h('code', self.c.action), ' ',
1548      'skill ', skillA,
1549      ' to idea ',
1550      ideaA
1551    ), cb)
1552  })
1553}
1554
1555RenderMsg.prototype.ideaAssocate = function (cb) {
1556  var self = this
1557  self.link(self.c.ideaKey, function (err, a) {
1558    self.wrapMini(h('span',
1559      self.c.action === 'associate' ? 'associates with '
1560        : self.c.action === 'disassociate' ? 'disassociates with '
1561        : h('code', self.c.action), ' ',
1562      'idea ', a
1563    ), cb)
1564  })
1565}
1566
1567RenderMsg.prototype.ideaHat = function (cb) {
1568  var self = this
1569  self.link(self.c.ideaKey, function (err, a) {
1570    self.wrapMini(h('span',
1571      self.c.action === 'take' ? 'takes '
1572        : self.c.action === 'discard' ? 'discards '
1573        : h('code', self.c.action), ' ',
1574      'idea ', a
1575    ), cb)
1576  })
1577}
1578
1579RenderMsg.prototype.ideaUpdate = function (cb) {
1580  var self = this
1581  var done = multicb({pluck: 1, spread: true})
1582  var props = {}
1583  for (var k in self.c) {
1584    if (k !== 'ideaKey' && k !== 'type' && k !== 'talenet-version') {
1585      props[k] = self.c[k]
1586    }
1587  }
1588  var keys = Object.keys(props).sort().join()
1589
1590  if (keys === 'title') {
1591    return self.wrapMini(h('span',
1592      'titles idea ',
1593      h('a', {href: self.toUrl(self.c.ideaKey)}, props.title)
1594    ), cb)
1595  }
1596
1597  if (keys === 'description') {
1598    return self.link(self.c.ideaKey, function (err, a) {
1599      self.wrap(h('div',
1600        'describes idea ', a, ':',
1601        h('blockquote', {innerHTML: self.render.markdown(props.description)})
1602      ), cb)
1603    })
1604  }
1605
1606  if (keys === 'description,title') {
1607    return self.wrap(h('div',
1608      'describes idea ',
1609      h('a', {href: self.toUrl(self.c.ideaKey)}, props.title),
1610      ':',
1611      h('blockquote', {innerHTML: self.render.markdown(props.description)})
1612    ), cb)
1613  }
1614
1615  self.link(self.c.ideaKey, done())
1616  var table = self.valueTable(props, 1, done())
1617  done(function (err, ideaA) {
1618    self.wrap(h('div', [
1619      'updates idea ', ideaA,
1620      table
1621    ]), cb)
1622  })
1623}
1624
1625RenderMsg.prototype.ideaComment = function (cb) {
1626  var self = this
1627  var done = multicb({pluck: 1, spread: true})
1628  self.link(self.c.ideaKey, done())
1629  self.link(self.c.commentKey, done())
1630  done(function (err, ideaLink, commentLink) {
1631    if (err) return self.wrap(u.renderError(err), cb)
1632    self.wrap(h('div', [
1633      ideaLink ? h('div', h('small', h('span.symbol', '→'), ' idea ', ideaLink)) : '',
1634      commentLink ? h('div', h('small', h('span.symbol', '↳'), ' comment ', commentLink)) : '',
1635      self.c.text ?
1636        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''
1637    ]), cb)
1638  })
1639}
1640
1641RenderMsg.prototype.aboutResource = function (cb) {
1642  var self = this
1643  return self.wrap(h('div',
1644    'describes resource ',
1645    h('a', {href: self.toUrl(self.c.about)}, self.c.name),
1646    ':',
1647    h('blockquote', {innerHTML: self.render.markdown(self.c.description)})
1648  ), cb)
1649}
1650
1651RenderMsg.prototype.lineComment = function (cb) {
1652  var self = this
1653  var done = multicb({pluck: 1, spread: true})
1654  self.link(self.c.repo, done())
1655  self.getMsg(self.c.updateId, done())
1656  done(function (err, repoLink, updateMsg) {
1657    if (err) return cb(err)
1658    return self.wrap(h('div',
1659      h('div', h('small', '> ',
1660        repoLink, ' ',
1661        h('a', {
1662          href: self.toUrl(self.c.updateId)
1663        },
1664          updateMsg
1665            ? htime(new Date(updateMsg.value.timestamp))
1666            : String(self.c.updateId)
1667        ), ' ',
1668        h('a', {
1669          href: self.toUrl('/git/commit/' + self.c.commitId + '?msg=' + encodeURIComponent(self.c.updateId))
1670        }, String(self.c.commitId).substr(0, 8)), ' ',
1671        h('a', {
1672          href: self.toUrl('/git/line-comment/' +
1673            encodeURIComponent(self.msg.key))
1674        }, h('code', self.c.filePath + ':' + self.c.line))
1675      )),
1676      self.c.text ?
1677        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''), cb)
1678  })
1679}
1680

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