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Tree: a60ae1c1ee876443b54162f353da5b59faf81ca4

Files: a60ae1c1ee876443b54162f353da5b59faf81ca4 / lib / render-msg.js

55826 bytesRaw
1var h = require('hyperscript')
2var htime = require('human-time')
3var multicb = require('multicb')
4var u = require('./util')
5var mdInline = require('./markdown-inline')
6
7module.exports = RenderMsg
8
9function RenderMsg(render, app, msg, opts) {
10  this.render = render
11  this.app = app
12  this.msg = msg
13  this.serve = opts.serve
14  this.value = msg && msg.value || {}
15  var content = this.value.content
16  this.c = content || {}
17  this.isMissing = !content
18
19  if (typeof opts === 'boolean') opts = {raw: opts}
20  this.opts = opts || {}
21  this.shouldWrap = this.opts.wrap !== false
22}
23
24RenderMsg.prototype.getMsg = function (id, cb) {
25  if (!id) return cb()
26  return this.serve
27    ? this.serve.getMsgDecryptedMaybeOoo(id, cb)
28    : this.app.getMsgDecryptedOoo(id, cb)
29}
30
31RenderMsg.prototype.toUrl = function (href) {
32  return this.render.toUrl(href)
33}
34
35RenderMsg.prototype.linkify = function (text) {
36  return this.render.linkify(text)
37}
38
39RenderMsg.prototype.raw = function (cb) {
40  // linkify various things in the JSON. TODO: abstract this better
41
42  // clone the message for linkifying
43  var m = {}, k
44  for (k in this.msg) m[k] = this.msg[k]
45  m.value = {}
46  for (k in this.msg.value) m.value[k] = this.msg.value[k]
47  var tokens = {}
48
49  // link to feed starting from this message
50  if (m.value.sequence) {
51    var tok = u.token()
52    tokens[tok] = h('a', {href:
53      this.toUrl(m.value.author + '?gt=' + (m.value.sequence-1))},
54      m.value.sequence)
55    m.value.sequence = tok
56  }
57
58  if (typeof m.value.content === 'object' && m.value.content != null) {
59    var c = m.value.content = {}
60    for (k in this.c) c[k] = this.c[k]
61
62    // link to messages of same type
63    tok = u.token()
64    tokens[tok] = h('a', {href: this.toUrl('/type/' + c.type)}, c.type)
65    c.type = tok
66
67    // link to channel
68    if (c.channel) {
69      tok = u.token()
70      tokens[tok] = h('a', {href: this.toUrl('#' + c.channel)}, c.channel)
71      c.channel = tok
72    }
73
74    // link to hashtags
75    // TODO: recurse
76    for (var k in c) {
77      if (!c[k] || c[k][0] !== '#') continue
78      tok = u.token()
79      tokens[tok] = h('a', {href: this.toUrl(c[k])}, c[k])
80      c[k] = tok
81    }
82  }
83
84  // link refs
85  var els = this.linkify(JSON.stringify(m, 0, 2))
86
87  // stitch it all together
88  for (var i = 0; i < els.length; i++) {
89    if (typeof els[i] === 'string') {
90      for (var tok in tokens) {
91        if (els[i].indexOf(tok) !== -1) {
92          var parts = els[i].split(tok)
93          els.splice(i, 1, parts[0], tokens[tok], parts[1])
94          continue
95        }
96      }
97    }
98  }
99  this.wrap(h('pre', els), cb)
100}
101
102RenderMsg.prototype.wrap = function (content, cb) {
103  if (!this.shouldWrap) return cb(null, content)
104  var date = new Date(this.msg.value.timestamp)
105  var self = this
106  var channel = this.c.channel ? '#' + this.c.channel : ''
107  var done = multicb({pluck: 1, spread: true})
108  done()(null, [h('tr.msg-row',
109    h('td.msg-left',
110      h('div', this.render.avatarImage(this.msg.value.author, done())),
111      h('div', this.render.idLink(this.msg.value.author, done())),
112      this.recpsLine(done())
113    ),
114    h('td.msg-main',
115      h('div.msg-header',
116        h('a.ssb-timestamp', {
117          title: date.toLocaleString(),
118          href: this.msg.key ? this.toUrl(this.msg.key) : undefined
119        }, htime(date)), ' ',
120        h('code', h('a.ssb-id',
121          {href: this.toUrl(this.msg.key)}, this.msg.key)),
122        channel ? [' ', h('a', {href: this.toUrl(channel)}, channel)] : '')),
123    h('td.msg-right', this.actions())
124  ), h('tr',
125    h('td.msg-content', {colspan: 3},
126      this.issues(done()),
127      content)
128  )])
129  done(cb)
130}
131
132RenderMsg.prototype.wrapMini = function (content, cb) {
133  if (!this.shouldWrap) return cb(null, content)
134  var date = new Date(this.value.timestamp)
135  var self = this
136  var channel = this.c.channel ? '#' + this.c.channel : ''
137  var done = multicb({pluck: 1, spread: true})
138  done()(null, h('tr.msg-row',
139    h('td.msg-left',
140      this.render.idLink(this.value.author, done()), ' ',
141      this.recpsLine(done()),
142      channel ? [h('a', {href: this.toUrl(channel)}, channel), ' '] : ''),
143    h('td.msg-main',
144      h('a.ssb-timestamp', {
145        title: date.toLocaleString(),
146        href: this.msg.key ? this.toUrl(this.msg.key) : undefined
147      }, htime(date)), ' ',
148      this.issues(done()),
149      content),
150    h('td.msg-right', this.actions())
151  ))
152  done(cb)
153}
154
155RenderMsg.prototype.actions = function () {
156  return this.msg.key ?
157    h('form', {method: 'post', action: ''},
158      this.msg.rel ? [this.msg.rel, ' '] : '',
159      this.opts.withGt && this.msg.timestamp ? [
160        h('a', {href: '?gt=' + this.msg.timestamp}, '↓'), ' '] : '',
161      this.c.type === 'gathering' ? [
162        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
163      /^(ssb_)?chess_/.test(this.c.type) ? [
164        h('a', {href: this.toUrl(this.msg.key) + '?full',
165          title: 'view full game board'}, 'full'), ' '] : '',
166      typeof this.c.text === 'string' ? [
167        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
168          title: 'view markdown source'}, 'md'), ' '] : '',
169      h('a', {href: this.toUrl(this.msg.key) + '?raw',
170        title: 'view raw message'}, 'raw'), ' ',
171      this.buttonsCommon(),
172      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
173      this.voteButton('dig')
174  ) : [
175    this.msg.rel ? [this.msg.rel, ' '] : ''
176  ]
177}
178
179RenderMsg.prototype.sync = function (cb) {
180  cb(null, h('tr.msg-row', h('td', {colspan: 3},
181    h('hr')
182  )))
183}
184
185RenderMsg.prototype.recpsLine = function (cb) {
186  if (!this.value.private) return cb(), ''
187  var author = this.value.author
188  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
189    return u.linkDest(link) !== author
190  })
191  return this.render.privateLine(recpsNotSelf, cb)
192}
193
194RenderMsg.prototype.recpsIds = function () {
195  return this.value.private
196    ? u.toArray(this.c.recps).map(u.linkDest)
197    : []
198}
199
200RenderMsg.prototype.buttonsCommon = function () {
201  var chan = this.msg.value.content.channel
202  var recps = this.recpsIds()
203  return [
204    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
205    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
206    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
207  ]
208}
209
210RenderMsg.prototype.voteButton = function (expression) {
211  var chan = this.msg.value.content.channel
212  return [
213    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
214    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
215    h('input', {type: 'submit', name: 'action_vote', value: expression})]
216}
217
218RenderMsg.prototype.attendButton = function () {
219  var chan = this.msg.value.content.channel
220  return [
221    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
222  ]
223}
224
225RenderMsg.prototype.message = function (cb) {
226  if (this.opts.raw) return this.raw(cb)
227  if (this.msg.sync) return this.sync(cb)
228  if (typeof this.c === 'string') return this.encrypted(cb)
229  if (this.isMissing) return this.missing(cb)
230  switch (this.c.type) {
231    case 'post': return this.post(cb)
232    case 'ferment/like':
233    case 'robeson/like':
234    case 'vote': return this.vote(cb)
235    case 'about': return this.about(cb)
236    case 'contact': return this.contact(cb)
237    case 'pub': return this.pub(cb)
238    case 'channel': return this.channel(cb)
239    case 'git-repo': return this.gitRepo(cb)
240    case 'git-update': return this.gitUpdate(cb)
241    case 'pull-request': return this.gitPullRequest(cb)
242    case 'issue': return this.issue(cb)
243    case 'issue-edit': return this.issueEdit(cb)
244    case 'music-release-cc': return this.musicRelease(cb)
245    case 'ssb-dns': return this.dns(cb)
246    case 'gathering': return this.gathering(cb)
247    case 'micro': return this.micro(cb)
248    case 'ferment/audio':
249    case 'robeson/audio':
250      return this.audio(cb)
251    case 'ferment/repost':
252    case 'robeson/repost':
253      return this.repost(cb)
254    case 'ferment/update':
255    case 'robeson/update':
256      return this.update(cb)
257    case 'chess_invite':
258    case 'ssb_chess_invite':
259      return this.chessInvite(cb)
260    case 'chess_invite_accept':
261    case 'ssb_chess_invite_accept':
262      return this.chessInviteAccept(cb)
263    case 'chess_move':
264    case 'ssb_chess_move':
265      return this.chessMove(cb)
266    case 'chess_game_end':
267    case 'ssb_chess_game_end':
268      return this.chessGameEnd(cb)
269    case 'chess_chat':
270      return this.chessChat(cb)
271    case 'wifi-network': return this.wifiNetwork(cb)
272    case 'mutual/credit': return this.mutualCredit(cb)
273    case 'mutual/account': return this.mutualAccount(cb)
274    case 'npm-publish': return this.npmPublish(cb)
275    case 'npm-packages': return this.npmPackages(cb)
276    case 'npm-prebuilds': return this.npmPrebuilds(cb)
277    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
278    case 'bookclub': return this.bookclub(cb)
279    case 'macaco_maluco-sombrio-wall': return this.sombrioWall(cb)
280    case 'macaco_maluco-sombrio-tombstone': return this.sombrioTombstone(cb)
281    case 'macaco_maluco-sombrio-score': return this.sombrioScore(cb)
282    case 'blog': return this.blog(cb)
283    case 'image-map': return this.imageMap(cb)
284    case 'talenet-identity-skill_assignment': return this.identitySkillAssign(cb)
285    case 'talenet-idea-skill_assignment': return this.ideaSkillAssign(cb)
286    case 'talenet-idea-create': return this.ideaCreate(cb)
287    case 'talenet-idea-association': return this.ideaAssocate(cb)
288    case 'talenet-skill-create': return this.skillCreate(cb)
289    case 'talenet-skill-similarity': return this.skillSimilarity(cb)
290    case 'talenet-idea-hat': return this.ideaHat(cb)
291    case 'talenet-idea-update': return this.ideaUpdate(cb)
292    case 'talenet-idea-comment':
293    case 'talenet-idea-comment_reply': return this.ideaComment(cb)
294    case 'about-resource': return this.aboutResource(cb)
295    case 'line-comment': return this.lineComment(cb)
296    case 'web-init': return this.webInit(cb)
297    case 'web-root': return this.webRoot(cb)
298    case 'poll': return this.poll(cb)
299    case 'position': if (this.c.version === 'v1') return this.pollPosition(cb)
300    case 'scat_message': return this.scat(cb)
301    default: return this.object(cb)
302  }
303}
304
305RenderMsg.prototype.encrypted = function (cb) {
306  this.wrapMini(this.render.lockIcon(), cb)
307}
308
309RenderMsg.prototype.markdown = function (cb) {
310  if (this.opts.markdownSource)
311    return this.markdownSource(this.c.text, this.c.mentions)
312  return this.render.markdown(this.c.text, this.c.mentions)
313}
314
315RenderMsg.prototype.markdownSource = function (text, mentions) {
316  return h('div',
317    h('pre', String(text)),
318    mentions ? [
319      h('div', h('em', 'mentions:')),
320      this.valueTable(mentions, 2, function () {})
321    ] : ''
322  ).innerHTML
323}
324
325RenderMsg.prototype.post = function (cb) {
326  var self = this
327  var done = multicb({pluck: 1, spread: true})
328  if (self.c.root === self.c.branch) done()()
329  else self.link(self.c.root, done())
330  self.links(self.c.branch, done())
331  self.links(self.c.fork, done())
332  done(function (err, rootLink, branchLinks, forkLinks) {
333    if (err) return self.wrap(u.renderError(err), cb)
334    self.wrap(h('div.ssb-post',
335      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
336      branchLinks.map(function (a, i) {
337        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
338      }),
339      forkLinks.map(function (a, i) {
340        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
341      }),
342      h('div.ssb-post-text', {innerHTML: self.markdown()})
343    ), cb)
344  })
345}
346
347RenderMsg.prototype.vote = function (cb) {
348  var self = this
349  var v = self.c.vote || self.c.like || {}
350  self.link(v, function (err, a) {
351    if (err) return cb(err)
352    self.wrapMini([
353      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
354      ' ', a,
355      v.reason ? [' as ', h('q', String(v.reason))] : ''
356    ], cb)
357  })
358}
359
360RenderMsg.prototype.getName = function (id, cb) {
361  switch (id && id[0]) {
362    case '%': return this.getMsgName(id, cb)
363    case '@': // fallthrough
364    case '&': return this.getAboutName(id, cb)
365    default: return cb(null, String(id))
366  }
367}
368
369RenderMsg.prototype.getMsgName = function (id, cb) {
370  var self = this
371  self.app.getMsg(id, function (err, msg) {
372    if (err && err.name == 'NotFoundError')
373      cb(null, id.substring(0, 10)+'...(missing)')
374    else if (err) cb(err)
375      // preserve security: only decrypt the linked message if we decrypted
376      // this message
377    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
378    else gotMsg(null, msg)
379  })
380  function gotMsg(err, msg) {
381    if (err) return cb(err)
382    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
383  }
384}
385
386function truncate(str, len) {
387  str = String(str)
388  return str.length > len ? str.substr(0, len) + '...' : str
389}
390
391function title(str) {
392  return truncate(mdInline(str), 72)
393}
394
395RenderMsg.prototype.title = function (cb) {
396  var self = this
397  self.app.filterMsg(self.msg, self.opts, function (err, show) {
398    if (err) return cb(err)
399    if (show) self.title1(cb)
400    else cb(null, '[…]')
401  })
402}
403
404RenderMsg.prototype.title1 = function (cb) {
405  var self = this
406  if (!self.c || typeof self.c !== 'object') {
407    cb(null, self.msg.key)
408  } else if (typeof self.c.text === 'string') {
409    if (self.c.type === 'post')
410      cb(null, title(self.c.text))
411    else
412      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
413  } else {
414    if (self.c.type === 'ssb-dns')
415      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
416    else if (self.c.type === 'npm-publish')
417      self.npmPublishTitle(cb)
418    else if (self.c.type === 'chess_chat')
419      cb(null, title(self.c.msg))
420    else if (self.c.type === 'chess_invite')
421      self.chessInviteTitle(cb)
422    else if (self.c.type === 'bookclub')
423      self.bookclubTitle(cb)
424    else if (self.c.type === 'talenet-skill-create' && self.c.name)
425      cb(null, self.c.name)
426    else if (self.c.type === 'talenet-idea-create')
427      self.app.getIdeaTitle(self.msg.key, cb)
428    else
429    self.app.getAbout(self.msg.key, function (err, about) {
430      if (err) return cb(err)
431      var name = about.name || about.title
432        || (about.description && mdInline(about.description))
433      if (name) return cb(null, truncate(name, 72))
434      self.message(function (err, el) {
435        if (err) return cb(err)
436        cb(null, '%' + title(h('div', el).textContent))
437      })
438    })
439  }
440}
441
442RenderMsg.prototype.getAboutName = function (id, cb) {
443  this.app.getAbout(id, function (err, about) {
444    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
445  })
446}
447
448RenderMsg.prototype.link = function (link, cb) {
449  var self = this
450  var ref = u.linkDest(link)
451  if (!ref) return cb(null, '')
452  self.getName(ref, function (err, name) {
453    if (err) name = truncate(ref, 10)
454    cb(null, h('a', {href: self.toUrl(ref)}, name))
455  })
456}
457
458RenderMsg.prototype.link1 = function (link, cb) {
459  var self = this
460  var ref = u.linkDest(link)
461  if (!ref) return cb(), ''
462  var a = h('a', {href: self.toUrl(ref)}, ref)
463  self.getName(ref, function (err, name) {
464    if (err) name = ref
465    a.childNodes[0].textContent = name
466    cb()
467  })
468  return a
469}
470
471RenderMsg.prototype.links = function (links, cb) {
472  var self = this
473  var done = multicb({pluck: 1})
474  u.toArray(links).forEach(function (link) {
475    self.link(link, done())
476  })
477  done(cb)
478}
479
480function dateTime(d) {
481  var date = new Date(d.epoch)
482  return date.toString()
483  // d.bias
484  // d.epoch
485}
486
487// TODO: make more DRY
488var knownAboutProps = {
489  type: true,
490  root: true,
491  about: true,
492  attendee: true,
493  about: true,
494  image: true,
495  description: true,
496  name: true,
497  title: true,
498  attendee: true,
499  startDateTime: true,
500  endDateTime: true,
501  location: true,
502  /*
503  rating: true,
504  ratingType: true,
505  */
506  'talenet-version': true,
507}
508
509RenderMsg.prototype.about = function (cb) {
510  var keys = Object.keys(this.c).sort().join()
511  var isSelf = this.c.about === this.msg.value.author
512
513  if (keys === 'about,name,type') {
514    return this.wrapMini([
515      isSelf ?
516        'self-identifies as ' :
517        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
518      h('ins', String(this.c.name))
519    ], cb)
520  }
521
522  if (keys === 'about,publicWebHosting,type') {
523    var public = this.c.publicWebHosting && this.c.publicWebHosting !== 'false'
524    return this.wrapMini([
525      isSelf ?
526        public ? 'is okay with being hosted publicly'
527        : 'wishes to not to be hosted publicly'
528      : public ? ['thinks ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
529          ' should be hosted publicly ']
530        : ['wishes ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
531          ' to not be hosted publicly']
532    ], cb)
533  }
534
535  var done = multicb({pluck: 1, spread: true})
536  var elCb = done()
537
538  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
539    && keys === 'about,attendee,type'
540  if (isAttendingMsg) {
541    var attending = !this.c.attendee.remove
542    this.wrapMini([
543      attending ? ' is attending' : ' is not attending', ' ',
544      this.link1(this.c.about, done())
545      ], elCb)
546    return done(cb)
547  }
548
549  var extras
550  for (var k in this.c) {
551    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
552      if (!extras) extras = {}
553      extras[k] = this.c[k]
554    }
555  }
556
557  var img = u.linkDest(this.c.image)
558  // if there is a description, it is likely to be multi-line
559  var hasDescription = this.c.description != null
560  // if this about message gives the thing a name, show its id
561  var showComputedName = !isSelf && !this.c.name
562
563  this.wrap([
564    this.c.root ? h('div',
565      h('small', '> ', this.link1(this.c.root, done()))
566    ) : '',
567    isSelf ? 'self-describes as ' : [
568      'describes ',
569      !this.c.about ? ''
570        : showComputedName ? this.link1(this.c.about, done())
571        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
572      ' as '
573    ],
574    this.c.name ? [h('ins', String(this.c.name)), ' '] : '',
575    this.c.description ? h('div',
576      {innerHTML: this.render.markdown(this.c.description)}) : '',
577    this.c.title ? h('h3', String(this.c.title)) : '',
578    this.c.attendee ? h('div',
579      this.link1(this.c.attendee.link, done()),
580      this.c.attendee.remove ? ' is not attending' : ' is attending'
581    ) : '',
582    this.c.startDateTime ? h('div',
583      'starting at ', dateTime(this.c.startDateTime)) : '',
584    this.c.endDateTime ? h('div',
585      'ending at ', dateTime(this.c.endDateTime)) : '',
586    this.c.location ? h('div', 'at ', String(this.c.location)) : '',
587    img ? h('a', {href: this.toUrl(img)},
588      h('img.ssb-avatar-image', {
589        src: this.render.imageUrl(img),
590        alt: ' ',
591      })) : '',
592    /*
593    this.c.rating != null ? this.aboutRating() : '',
594    */
595    extras ? this.valueTable(extras, 1, done())
596    : ''
597  ], elCb)
598  done(cb)
599}
600
601/*
602 * disabled until it's clearer how to do this -cel
603RenderMsg.prototype.aboutRating = function (cb) {
604  var rating = Number(this.c.rating)
605  var type = this.c.ratingType || '★'
606  var text = rating + ' ' + type
607  if (isNaN(rating)) return 'rating: ' + text
608  if (rating > 5) rating = 5
609  var el = h('div', {title: text})
610  for (var i = 0; i < rating; i++) {
611    el.appendChild(h('span',
612      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
613    ))
614  }
615  return el
616}
617*/
618
619RenderMsg.prototype.contact = function (cb) {
620  var self = this
621  self.link(self.c.contact, function (err, a) {
622    if (err) return cb(err)
623    if (!a) a = "?"
624      self.wrapMini([
625        self.c.following && self.c.autofollow ? 'follows pub' :
626        self.c.following && self.c.pub ? 'autofollows' :
627        self.c.following ? 'follows' :
628        self.c.blocking ? 'blocks' :
629        self.c.flagged ? 'flagged' :
630        self.c.following === false ? 'unfollows' :
631        self.c.blocking === false ? 'unblocks' : '',
632        self.c.flagged === false ? 'unflagged' :
633        ' ', a,
634        self.c.note ? [
635          ' from ',
636          h('code', String(self.c.note))
637        ] : '',
638        self.c.reason ? [' because ',
639          h('q', String(self.c.reason))
640        ] : ''
641      ], cb)
642  })
643}
644
645RenderMsg.prototype.pub = function (cb) {
646  var self = this
647  var addr = self.c.address || {}
648  self.link(addr.key, function (err, pubLink) {
649    if (err) return cb(err)
650      self.wrapMini([
651        'connects to ', pubLink, ' at ',
652        h('code', addr.host + ':' + addr.port)], cb)
653  })
654}
655
656RenderMsg.prototype.channel = function (cb) {
657  var chan = '#' + this.c.channel
658  this.wrapMini([
659    this.c.subscribed ? 'subscribes to ' :
660    this.c.subscribed === false ? 'unsubscribes from ' : '',
661    h('a', {href: this.toUrl(chan)}, chan)], cb)
662}
663
664RenderMsg.prototype.gitRepo = function (cb) {
665  var self = this
666  var id = self.msg.key
667  var name = self.c.name
668  var upstream = self.c.upstream
669  self.link(upstream, function (err, upstreamA) {
670    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
671    self.wrapMini([
672      upstream ? ['forked ', upstreamA, ': '] : '',
673      'git clone ',
674      h('code', h('small', 'ssb://' + id)),
675      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
676    ], cb)
677  })
678}
679
680RenderMsg.prototype.gitUpdate = function (cb) {
681  var self = this
682  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
683  var size = [].concat(self.c.packs, self.c.indexes)
684    .map(function (o) { return o && o.size })
685    .reduce(function (total, s) { return total + s })
686
687  var done = multicb({pluck: 1, spread: true})
688  self.link(self.c.repo, done())
689  self.render.npmPackageMentions(self.c.mentions, done())
690  self.render.npmPrebuildMentions(self.c.mentions, done())
691  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
692    if (err) return cb(err)
693      self.wrap(h('div.ssb-git-update',
694        'git push ', a, ' ',
695        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
696        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
697          var id = String(self.c.refs[ref])
698          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
699          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
700            + '?msg=' + encodeURIComponent(self.msg.key))
701            + '&search=1'
702          return h('li',
703            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
704            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
705               : h('em', 'deleted'))
706      })) : '',
707      Array.isArray(self.c.commits) ?
708        h('ul', self.c.commits.map(function (commit) {
709          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
710            + '?msg=' + encodeURIComponent(self.msg.key)
711          return h('li', h('a', {href: self.render.toUrl(path)},
712            h('code', String(commit.sha1).substr(0, 8))), ' ',
713            self.linkify(String(commit.title)),
714            self.render.gitCommitBody(commit.body)
715          )
716        })) : '',
717      Array.isArray(self.c.tags) ?
718        h('ul', self.c.tags.map(function (tag) {
719          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
720            + '?msg=' + encodeURIComponent(self.msg.key)
721          return h('li',
722            h('a', {href: self.render.toUrl(path)},
723              h('code', String(tag.sha1).substr(0, 8))), ' ',
724            'tagged ', String(tag.type), ' ',
725            h('code', String(tag.object).substr(0, 8)), ' ',
726            String(tag.tag),
727            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
728            tag.body ? self.render.gitCommitBody(tag.body) : ''
729          )
730        })) : '',
731        self.c.commits_more ? h('div',
732          '+ ' + self.c.commits_more + ' more commits') : '',
733        self.c.tags_more ? h('div',
734          '+ ' + self.c.tags_more + ' more tags') : '',
735        pkgMentionsEl,
736        prebuildMentionsEl
737    ), cb)
738  })
739}
740
741RenderMsg.prototype.gitPullRequest = function (cb) {
742  var self = this
743  var done = multicb({pluck: 1, spread: true})
744  self.link(self.c.repo, done())
745  self.link(self.c.head_repo, done())
746  done(function (err, baseRepoLink, headRepoLink) {
747    if (err) return cb(err)
748    self.wrap(h('div.ssb-pull-request',
749      'pull request ',
750      'to ', baseRepoLink, ':', String(self.c.branch), ' ',
751      'from ', headRepoLink, ':', String(self.c.head_branch),
752      self.c.title ? h('h4', String(self.c.title)) : '',
753      h('div', {innerHTML: self.markdown()})), cb)
754  })
755}
756
757RenderMsg.prototype.issue = function (cb) {
758  var self = this
759  self.link(self.c.project, function (err, projectLink) {
760    if (err) return cb(err)
761    self.wrap(h('div.ssb-issue',
762      'issue on ', projectLink,
763      self.c.title ? h('h4', String(self.c.title)) : '',
764      h('div', {innerHTML: self.markdown()})), cb)
765  })
766}
767
768RenderMsg.prototype.issueEdit = function (cb) {
769  this.wrap('', cb)
770}
771
772RenderMsg.prototype.object = function (cb) {
773  var done = multicb({pluck: 1, spread: true})
774  var elCb = done()
775  this.wrap([
776    this.valueTable(this.c, 1, done()),
777  ], elCb)
778  done(cb)
779}
780
781RenderMsg.prototype.valueTable = function (val, depth, cb) {
782  var isContent = depth === 1
783  var self = this
784  switch (typeof val) {
785    case 'object':
786      if (val === null) return cb(), ''
787      var done = multicb({pluck: 1, spread: true})
788      var el = Array.isArray(val)
789        ? h('ul', val.map(function (item) {
790          return h('li', self.valueTable(item, depth + 1, done()))
791        }))
792        : h('table.ssb-object', Object.keys(val).map(function (key) {
793          if (key === 'text') {
794            return h('tr',
795              h('td', h('strong', 'text')),
796              h('td', h('div', {
797                innerHTML: self.render.markdown(val.text, val.mentions)
798              }))
799            )
800          } else if (isContent && key === 'type') {
801            // TODO: also link to images by type, using links2
802            var type = String(val.type)
803            return h('tr',
804              h('td', h('strong', 'type')),
805              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
806            )
807          }
808          return h('tr',
809            h('td', h('strong', key)),
810            h('td', self.valueTable(val[key], depth + 1, done()))
811          )
812        }))
813      done(cb)
814      return el
815    case 'string':
816      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
817      if (u.isRef(val)) return self.link1(val, cb)
818      if (/^ssb-blob:\/\//.test(val)) return cb(), h('a', {href: self.toUrl(val)}, val)
819      return cb(), self.linkify(val)
820    case 'boolean':
821      return cb(), h('input', {
822        type: 'checkbox', disabled: 'disabled', checked: val
823      })
824    default:
825      return cb(), String(val)
826  }
827}
828
829RenderMsg.prototype.missing = function (cb) {
830  this.wrapMini([
831    h('code', 'MISSING'), ' ',
832    h('a', {href: '?ooo=1'}, 'fetch')
833  ], cb)
834}
835
836RenderMsg.prototype.issues = function (cb) {
837  var self = this
838  var done = multicb({pluck: 1, spread: true})
839  var issues = u.toArray(self.c.issues)
840  if (self.c.type === 'issue-edit' && self.c.issue) {
841    issues.push({
842      link: self.c.issue,
843      title: self.c.title,
844      open: self.c.open,
845    })
846  }
847  var els = issues.map(function (issue) {
848    var commit = issue.object || issue.label ? [
849      issue.object ? h('code', String(issue.object)) : '', ' ',
850      issue.label ? h('q', String(issue.label)) : ''] : ''
851    if (issue.merged === true)
852      return h('div',
853        'merged ', self.link1(issue, done()))
854    if (issue.open === false)
855      return h('div',
856        'closed ', self.link1(issue, done()))
857    if (issue.open === true)
858      return h('div',
859        'reopened ', self.link1(issue, done()))
860    if (typeof issue.title === 'string')
861      return h('div',
862        'renamed ', self.link1(issue, done()), ' to ', h('ins', String(issue.title)))
863  })
864  done(cb)
865  return els.length > 0 ? [els, h('br')] : ''
866}
867
868RenderMsg.prototype.repost = function (cb) {
869  var self = this
870  var id = u.linkDest(self.c.repost)
871  self.app.getMsg(id, function (err, msg) {
872    if (err && err.name == 'NotFoundError')
873      gotMsg(null, id.substring(0, 10)+'...(missing)')
874    else if (err) gotMsg(err)
875    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
876    else gotMsg(null, msg)
877  })
878  function gotMsg(err, msg) {
879    if (err) return cb(err)
880    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
881      renderMsg.message(function (err, msgEl) {
882        self.wrapMini(['reposted ',
883          h('code.ssb-id',
884            h('a', {href: self.render.toUrl(id)}, id)),
885          h('div', err ? u.renderError(err) : msgEl || '')
886        ], cb)
887    })
888  }
889}
890
891RenderMsg.prototype.update = function (cb) {
892  var id = String(this.c.update)
893  this.wrapMini([
894    h('div', 'updated ', h('code.ssb-id',
895      h('a', {href: this.render.toUrl(id)}, id))),
896    this.c.title ? h('h4.msg-title', String(this.c.title)) : '',
897    this.c.description ? h('div',
898      {innerHTML: this.render.markdown(this.c.description)}) : ''
899  ], cb)
900}
901
902function formatDuration(s) {
903  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
904}
905
906RenderMsg.prototype.audio = function (cb) {
907  // fileName, fallbackFileName, overview
908  this.wrap(h('table', h('tr',
909    h('td',
910      this.c.artworkSrc
911      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
912          src: this.render.imageUrl(this.c.artworkSrc),
913          alt: ' ',
914          width: 72,
915          height: 72,
916        }))
917      : ''),
918    h('td',
919      h('a', {href: this.render.toUrl(this.c.audioSrc)},
920        String(this.c.title)),
921      isFinite(this.c.duration)
922        ? ' (' + formatDuration(this.c.duration) + ')'
923        : '',
924      this.c.description
925        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
926        : ''
927  ))), cb)
928}
929
930RenderMsg.prototype.musicRelease = function (cb) {
931  var self = this
932  this.wrap([
933    h('table', h('tr',
934      h('td',
935        this.c.cover
936          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
937              src: this.render.imageUrl(this.c.cover),
938              alt: ' ',
939              width: 72,
940              height: 72,
941            }))
942          : ''),
943      h('td',
944        h('h4.msg-title', String(this.c.title)),
945        this.c.text
946          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
947          : ''
948      )
949    )),
950    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
951      return h('li',
952        h('a', {href: self.render.toUrl(track.link)},
953          String(track.fname)))
954    }))
955  ], cb)
956}
957
958RenderMsg.prototype.dns = function (cb) {
959  var self = this
960  var record = self.c.record || {}
961  var done = multicb({pluck: 1, spread: true})
962  var elCb = done()
963  self.wrap([
964    h('div',
965      h('p',
966        h('ins', {title: 'name'}, String(record.name)), ' ',
967        h('span', {title: 'ttl'}, String(record.ttl)), ' ',
968        h('span', {title: 'class'}, String(record.class)), ' ',
969        h('span', {title: 'type'}, String(record.type))
970      ),
971      h('pre', {title: 'data'},
972        JSON.stringify(record.data || record.value, null, 2)),
973      !self.c.branch ? null : h('div',
974        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
975          return [self.link1(id, done()), i === 0 ? ', ' : '']
976        })
977      )
978    )
979  ], elCb)
980  done(cb)
981}
982
983RenderMsg.prototype.wifiNetwork = function (cb) {
984  var net = this.c.network || {}
985  this.wrap([
986    h('div', 'wifi network'),
987    h('table',
988      Object.keys(net).map(function (key) {
989        return h('tr',
990          h('td', key),
991          h('td', h('pre', JSON.stringify(net[key]))))
992      })
993    ),
994  ], cb)
995}
996
997RenderMsg.prototype.mutualCredit = function (cb) {
998  var self = this
999  var currency = String(self.c.currency)
1000  self.link(self.c.account, function (err, a) {
1001    if (err) return cb(err)
1002    self.wrapMini([
1003      'credits ', a || '?', ' ',
1004      h('code', String(self.c.amount)), ' ',
1005      currency[0] === '#'
1006        ? h('a', {href: self.toUrl(currency)}, currency)
1007        : h('ins', currency),
1008      self.c.memo ? [' for ', h('q', String(self.c.memo))] : ''
1009    ], cb)
1010  })
1011}
1012
1013RenderMsg.prototype.mutualAccount = function (cb) {
1014  return this.object(cb)
1015}
1016
1017RenderMsg.prototype.gathering = function (cb) {
1018  this.wrapMini('gathering', cb)
1019}
1020
1021function unwrapP(html) {
1022  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
1023    return $1
1024  })
1025}
1026
1027RenderMsg.prototype.micro = function (cb) {
1028  var el = h('span', {innerHTML: unwrapP(this.markdown())})
1029  this.wrapMini(el, cb)
1030}
1031
1032function hJoin(els, seperator, lastSeparator) {
1033  return els.map(function (el, i) {
1034    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
1035  })
1036}
1037
1038function asNpmReadme(readme) {
1039  if (!readme || readme === 'ERROR: No README data found!') return
1040  return u.ifString(readme)
1041}
1042
1043function singleValue(obj) {
1044  if (!obj || typeof obj !== 'object') return obj
1045  var keys = Object.keys(obj)
1046  if (keys.length === 1) return obj[keys[0]]
1047}
1048
1049function ifDifferent(obj, value) {
1050  if (singleValue(obj) !== value) return obj
1051}
1052
1053RenderMsg.prototype.npmPublish = function (cb) {
1054  var self = this
1055  var render = self.render
1056  var pkg = self.c.meta || {}
1057  var pkgReadme = asNpmReadme(pkg.readme)
1058  var pkgDescription = u.ifString(pkg.description)
1059
1060  var versions = Object.keys(pkg.versions || {})
1061  var singleVersion = versions.length === 1 ? versions[0] : null
1062  var singleRelease = singleVersion && pkg.versions[singleVersion]
1063  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1064
1065  var distTags = pkg['dist-tags'] || {}
1066  var distTagged = {}
1067  for (var distTag in distTags)
1068    if (distTag !== 'latest')
1069      distTagged[distTags[distTag]] = distTag
1070
1071  self.links(self.c.previousPublish, function (err, prevLinks) {
1072    if (err) return cb(err)
1073    self.wrap([
1074      h('div',
1075        'published ',
1076        h('u', String(pkg.name)), ' ',
1077        hJoin(versions.map(function (version) {
1078          var distTag = distTagged[version]
1079          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1080        }), ', ')
1081      ),
1082      pkgDescription ? h('div',
1083        // TODO: make mdInline use custom emojis
1084        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1085      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1086      pkgReadme && pkgReadme !== singleReadme ?
1087        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1088      versions.map(function (version, i) {
1089        var release = pkg.versions[version] || {}
1090        var license = u.ifString(release.license)
1091        var author = ifDifferent(release.author, self.msg.value.author)
1092        var description = u.ifString(release.description)
1093        var readme = asNpmReadme(release.readme)
1094        var keywords = u.toArray(release.keywords).map(u.ifString)
1095        var dist = release.dist || {}
1096        var size = u.ifNumber(dist.size)
1097        return [
1098          h > 0 ? h('br') : '',
1099          version !== singleVersion ? h('div', 'version: ', version) : '',
1100          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1101          license ? h('div', 'license: ', h('code', license)) : '',
1102          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1103          size ? h('div', 'size: ', render.formatSize(size)) : '',
1104          description && description !== pkgDescription ?
1105            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1106          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1107        ]
1108      })
1109    ], cb)
1110  })
1111}
1112
1113RenderMsg.prototype.npmPackages = function (cb) {
1114  var self = this
1115  var done = multicb({pluck: 1, spread: true})
1116  var elCb = done()
1117  function renderIdLink(id) {
1118    return [h('a', {href: self.toUrl(id)}, truncate(id, 8)), ' ']
1119  }
1120  var singlePkg = self.c.mentions
1121    && self.c.mentions.length === 1
1122    && self.c.mentions[0]
1123  var m = singlePkg && /^npm:(.*?):(.*?):/.exec(singlePkg.name)
1124  var singlePkgSpec = m && (m[1] + (m[2] ? '@' + m[2] : ''))
1125  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1126    if (err) return cb(err)
1127    var dependencyLinks = u.toArray(self.c.dependencyBranch)
1128    var versionLinks = u.toArray(self.c.versionBranch)
1129    self.wrap(h('div', [
1130      el,
1131      singlePkg ? h('p',
1132        h('code',
1133          'npm install --registry=' +
1134            'http://' + self.app.host + ':' + self.app.port +
1135            '/npm-registry/' + encodeURIComponent(self.msg.key) + ' ' +
1136            singlePkgSpec),
1137      ) : '',
1138      dependencyLinks.length ? h('div',
1139        'dependencies via: ', dependencyLinks.map(renderIdLink)
1140      ) : '',
1141      versionLinks.length ? h('div',
1142        'previous versions: ', versionLinks.map(renderIdLink)
1143      ) : ''
1144    ]), elCb)
1145    return done(cb)
1146  })
1147}
1148
1149RenderMsg.prototype.npmPrebuilds = function (cb) {
1150  var self = this
1151  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1152    if (err) return cb(err)
1153    self.wrap(el, cb)
1154  })
1155}
1156
1157RenderMsg.prototype.npmPublishTitle = function (cb) {
1158  var pkg = this.c.meta || {}
1159  var name = pkg.name || pkg._id || '?'
1160
1161  var taggedVersions = {}
1162  for (var version in pkg.versions || {})
1163    taggedVersions[version] = []
1164
1165  var distTags = pkg['dist-tags'] || {}
1166  for (var distTag in distTags) {
1167    if (distTag === 'latest') continue
1168    var version = distTags[distTag] || '?'
1169    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1170    tags.push(distTag)
1171  }
1172
1173  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1174    var tags = taggedVersions[version]
1175    return (tags.length ? tags.join(',') + ':' : '') + version
1176  }).join(','))
1177}
1178
1179function expandDigitToSpaces(n) {
1180  return '         '.substr(-n)
1181}
1182
1183function parseFenRank (line) {
1184  return line.replace(/\d/g, expandDigitToSpaces).split('')
1185}
1186
1187function parseChess(fen) {
1188  var fields = String(fen).split(/\s+/)
1189  var ranks = fields[0].split('/')
1190  var f2 = fields[2] || ''
1191  return {
1192    board: ranks.map(parseFenRank),
1193    /*
1194    nextMove: fields[1] === 'b' ? 'black'
1195            : fields[1] === 'w' ? 'white' : 'unknown',
1196    castling: f2 === '-' ? {} : {
1197      w: {
1198        k: 0 < f2.indexOf('K'),
1199        q: 0 < f2.indexOf('Q'),
1200      },
1201      b: {
1202        k: 0 < f2.indexOf('k'),
1203        q: 0 < f2.indexOf('q'),
1204      }
1205    },
1206    enpassantTarget: fields[3] === '-' ? null : fields[3],
1207    halfmoves: Number(fields[4]),
1208    fullmoves: Number(fields[5]),
1209    */
1210  }
1211}
1212
1213var chessSymbols = {
1214  ' ': [' ', ''],
1215  P: ['♙', 'white', 'pawn'],
1216  N: ['♘', 'white', 'knight'],
1217  B: ['♗', 'white', 'bishop'],
1218  R: ['♖', 'white', 'rook'],
1219  Q: ['♕', 'white', 'queen'],
1220  K: ['♔', 'white', 'king'],
1221  p: ['♟', 'black', 'pawn'],
1222  n: ['♞', 'black', 'knight'],
1223  b: ['♝', 'black', 'bishop'],
1224  r: ['♜', 'black', 'rook'],
1225  q: ['♛', 'black', 'queen'],
1226  k: ['♚', 'black', 'king'],
1227}
1228
1229function chessPieceName(c) {
1230  return chessSymbols[c] && chessSymbols[c][2] || '?'
1231}
1232
1233function renderChessSymbol(c, loc) {
1234  var info = chessSymbols[c] || ['?', '', 'unknown']
1235  return h('span.symbol', {
1236    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1237  }, info[0])
1238}
1239
1240function chessLocToIdxs(loc) {
1241  var m = /^([a-h])([1-8])$/.exec(loc)
1242  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1243}
1244
1245function lookupPiece(board, loc) {
1246  var idxs = chessLocToIdxs(loc)
1247  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1248}
1249
1250function chessIdxsToLoc(i, j) {
1251  return 'abcdefgh'[j] + (8-i)
1252}
1253
1254RenderMsg.prototype.chessBoard = function (board) {
1255  if (!board) return ''
1256  return h('table.chess-board',
1257    board.map(function (rank, i) {
1258      return h('tr', rank.map(function (piece, j) {
1259        var dark = (i ^ j) & 1
1260        return h('td', {
1261          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1262        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1263      }))
1264    })
1265  )
1266}
1267
1268RenderMsg.prototype.chessMove = function (cb) {
1269  var self = this
1270  var c = self.c
1271  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1272  var game = parseChess(fen)
1273  var piece = game && lookupPiece(game.board, c.dest)
1274  self.link(self.c.root, function (err, rootLink) {
1275    if (err) return cb(err)
1276    self.wrap([
1277      h('div', h('small', '> ', rootLink)),
1278      h('p',
1279        // 'player ', (c.ply || ''), ' ',
1280        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1281        'from ' + c.orig, ' ',
1282        'to ' + c.dest
1283      ),
1284      self.chessBoard(game.board)
1285    ], cb)
1286  })
1287}
1288
1289RenderMsg.prototype.chessInvite = function (cb) {
1290  var self = this
1291  var myColor = self.c.myColor
1292  self.link(self.c.inviting, function (err, link) {
1293    if (err) return cb(err)
1294    self.wrap([
1295      'invites ', link, ' to play chess',
1296      // myColor ? h('p', 'my color is ' + myColor) : ''
1297    ], cb)
1298  })
1299}
1300
1301RenderMsg.prototype.chessInviteTitle = function (cb) {
1302  var self = this
1303  var done = multicb({pluck: 1, spread: true})
1304  self.getName(self.c.inviting, done())
1305  self.getName(self.msg.value.author, done())
1306  done(function (err, inviteeLink, inviterLink) {
1307    if (err) return cb(err)
1308    self.wrap([
1309      'chess: ', inviterLink, ' vs. ', inviteeLink
1310    ], cb)
1311  })
1312}
1313
1314RenderMsg.prototype.chessInviteAccept = function (cb) {
1315  var self = this
1316  self.link(self.c.root, function (err, rootLink) {
1317    if (err) return cb(err)
1318    self.wrap([
1319      h('div', h('small', '> ', rootLink)),
1320      h('p', 'accepts invitation to play chess')
1321    ], cb)
1322  })
1323}
1324
1325RenderMsg.prototype.chessGameEnd = function (cb) {
1326  var self = this
1327  var c = self.c
1328  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1329    if (err) return cb(err)
1330    self.wrap([
1331      h('div', h('small', '> ', rootLink)),
1332      h('p', h('strong', 'resigned'))
1333    ], cb)
1334  })
1335
1336  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1337  var game = parseChess(fen)
1338  var piece = game && lookupPiece(game.board, c.dest)
1339  var done = multicb({pluck: 1, spread: true})
1340  self.link(self.c.root, done())
1341  self.link(self.c.winner, done())
1342  done(function (err, rootLink, winnerLink) {
1343    if (err) return cb(err)
1344    self.wrap([
1345      h('div', h('small', '> ', rootLink)),
1346      h('p',
1347        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1348        'from ' + c.orig, ' ',
1349        'to ' + c.dest
1350      ),
1351      h('p',
1352        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1353      self.chessBoard(game.board)
1354    ], cb)
1355  })
1356}
1357
1358RenderMsg.prototype.chessChat = function (cb) {
1359  var self = this
1360  self.link(self.c.root, function (err, rootLink) {
1361    if (err) return cb(err)
1362    self.wrap([
1363      h('div', h('small', '> ', rootLink)),
1364      h('p', String(self.c.msg))
1365    ], cb)
1366  })
1367}
1368
1369RenderMsg.prototype.chessMove = function (cb) {
1370  if (this.opts.full) return this.chessMoveFull(cb)
1371  return this.chessMoveMini(cb)
1372}
1373
1374RenderMsg.prototype.chessMoveFull = function (cb) {
1375  var self = this
1376  var c = self.c
1377  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1378  var game = parseChess(fen)
1379  var piece = game && lookupPiece(game.board, c.dest)
1380  self.link(self.c.root, function (err, rootLink) {
1381    if (err) return cb(err)
1382    self.wrap([
1383      h('div', h('small', '> ', rootLink)),
1384      h('p',
1385        // 'player ', (c.ply || ''), ' ',
1386        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : '')
1387        'from ' + c.orig, ' ',
1388        'to ' + c.dest
1389      ),
1390      self.chessBoard(game.board)
1391    ], cb)
1392  })
1393}
1394
1395RenderMsg.prototype.chessMoveMini = function (cb) {
1396  var self = this
1397  var c = self.c
1398  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1399  var game = parseChess(fen)
1400  var piece = game && lookupPiece(game.board, c.dest)
1401  self.link(self.c.root, function (err, rootLink) {
1402    if (err) return cb(err)
1403    self.wrapMini([
1404      'moved ', chessPieceName(piece), ' ',
1405      'to ' + c.dest
1406    ], cb)
1407  })
1408}
1409
1410RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1411  var self = this
1412  self.wrapMini(h('span',
1413    'serves ',
1414    hJoin(u.toArray(self.c.challenges).filter(Boolean).map(function (challenge) {
1415      return h('a', {
1416        href: 'http://' + challenge.domain +
1417          '/.well-known/acme-challenge/' + challenge.token,
1418        title: challenge.keyAuthorization,
1419      }, String(challenge.domain))
1420    }), ', ', ', and ')
1421  ), cb)
1422}
1423
1424RenderMsg.prototype.bookclub = function (cb) {
1425  var self = this
1426  var props = self.c.common || self.c
1427  var images = u.toLinkArray(props.image || props.images)
1428  self.wrap(h('table', h('tr',
1429    h('td',
1430      images.map(function (image) {
1431        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1432          src: self.render.imageUrl(image.link),
1433          alt: image.name || ' ',
1434          width: 180,
1435        }))
1436      })),
1437    h('td',
1438      h('h4', String(props.title)),
1439      props.authors ?
1440        h('p', h('em', String(props.authors)))
1441        : '',
1442      props.description
1443        ? h('div', {innerHTML: self.render.markdown(props.description)})
1444        : ''
1445    )
1446  )), cb)
1447}
1448
1449RenderMsg.prototype.bookclubTitle = function (cb) {
1450  var props = this.c.common || this.c
1451  cb(null, props.title || 'book')
1452}
1453
1454RenderMsg.prototype.sombrioPosition = function () {
1455  return h('span', '[' + this.c.position + ']')
1456}
1457
1458RenderMsg.prototype.sombrioWall = function (cb) {
1459  var self = this
1460  self.wrapMini(h('span',
1461    self.sombrioPosition(),
1462    ' wall'
1463  ), cb)
1464}
1465
1466RenderMsg.prototype.sombrioTombstone = function (cb) {
1467  var self = this
1468  self.wrapMini(h('span',
1469    self.sombrioPosition(),
1470    ' tombstone'
1471  ), cb)
1472}
1473
1474RenderMsg.prototype.sombrioScore = function (cb) {
1475  var self = this
1476  self.wrapMini(h('span',
1477    'scored ',
1478    h('ins', String(self.c.score))
1479  ), cb)
1480}
1481
1482RenderMsg.prototype.blog = function (cb) {
1483  var self = this
1484  var blogId = u.linkDest(self.c.blog)
1485  var imgId = u.linkDest(self.c.thumbnail)
1486  var imgLink = imgId ? u.toLinkArray(self.c.mentions).filter(function (link) {
1487    return link.link === imgId
1488  })[0] || u.toLink(self.c.thumbnail) : null
1489  self.wrapMini(h('table', h('tr',
1490    h('td',
1491      imgId ? h('img', {
1492        src: self.render.imageUrl(imgId),
1493        alt: (imgLink.name || '')
1494          + (imgLink.size != null ? ' (' + self.render.formatSize(imgLink.size) + ')' : ''),
1495        width: 180,
1496      }) : 'blog'),
1497    h('td',
1498      blogId ? h('h3', h('a', {href: self.render.toUrl('/markdown/' + blogId)},
1499        String(self.c.title || self.msg.key))) : '',
1500      String(self.c.summary || ''))
1501  )), cb)
1502}
1503
1504RenderMsg.prototype.imageMap = function (cb) {
1505  var self = this
1506  var imgLink = u.toLink(self.c.image)
1507  var imgRef = imgLink && imgLink.link
1508  var mapName = 'map' + u.token()
1509  self.wrap(h('div', [
1510    h('map', {name: mapName},
1511      u.toArray(self.c.areas).map(function (areaLink) {
1512        var href = areaLink && self.toUrl(areaLink.link)
1513        return href ? h('area', {
1514          shape: String(areaLink.shape),
1515          coords: String(areaLink.coords),
1516          href: href,
1517        }) : ''
1518      })
1519    ),
1520    imgRef && imgRef[0] === '&' ? h('img', {
1521      src: self.render.imageUrl(imgRef),
1522      width: Number(imgLink.width) || undefined,
1523      height: Number(imgLink.height) || undefined,
1524      alt: String(imgLink.name || ''),
1525      usemap: '#' + mapName,
1526    }) : ''
1527  ]), cb)
1528}
1529
1530RenderMsg.prototype.skillCreate = function (cb) {
1531  var self = this
1532  self.wrapMini(h('span',
1533    ' created skill ',
1534    h('ins', String(self.c.name))
1535  ), cb)
1536}
1537
1538RenderMsg.prototype.ideaCreate = function (cb) {
1539  var self = this
1540  self.wrapMini(h('span',
1541    ' has an idea'
1542  ), cb)
1543}
1544
1545RenderMsg.prototype.skillSimilarity = function (cb) {
1546  var self = this
1547  var done = multicb({pluck: 1, spread: true})
1548  self.link(self.c.skillKey1, done())
1549  self.link(self.c.skillKey2, done())
1550  var similarity = !!self.c.similarity
1551  done(function (err, skill1, skill2) {
1552    self.wrapMini(h('span',
1553      'considers ', skill1, ' to be ',
1554      similarity ? 'similar to ' : 'not similar to ',
1555      skill2
1556    ), cb)
1557  })
1558}
1559
1560RenderMsg.prototype.identitySkillAssign = function (cb) {
1561  var self = this
1562  self.link(self.c.skillKey, function (err, a) {
1563    self.wrapMini(h('span',
1564      self.c.action === 'assign' ? 'assigns '
1565        : self.c.action === 'unassign' ? 'unassigns '
1566        : h('code', String(self.c.action)), ' ',
1567      'skill ', a
1568    ), cb)
1569  })
1570}
1571
1572RenderMsg.prototype.ideaSkillAssign = function (cb) {
1573  var self = this
1574  var done = multicb({pluck: 1, spread: true})
1575  self.link(self.c.skillKey, done())
1576  self.link(self.c.ideaKey, done())
1577  done(function (err, skillA, ideaA) {
1578    self.wrapMini(h('span',
1579      self.c.action === 'assign' ? 'assigns '
1580        : self.c.action === 'unassign' ? 'unassigns '
1581        : h('code', String(self.c.action)), ' ',
1582      'skill ', skillA,
1583      ' to idea ',
1584      ideaA
1585    ), cb)
1586  })
1587}
1588
1589RenderMsg.prototype.ideaAssocate = function (cb) {
1590  var self = this
1591  self.link(self.c.ideaKey, function (err, a) {
1592    self.wrapMini(h('span',
1593      self.c.action === 'associate' ? 'associates with '
1594        : self.c.action === 'disassociate' ? 'disassociates with '
1595        : h('code', String(self.c.action)), ' ',
1596      'idea ', a
1597    ), cb)
1598  })
1599}
1600
1601RenderMsg.prototype.ideaHat = function (cb) {
1602  var self = this
1603  self.link(self.c.ideaKey, function (err, a) {
1604    self.wrapMini(h('span',
1605      self.c.action === 'take' ? 'takes '
1606        : self.c.action === 'discard' ? 'discards '
1607        : h('code', String(self.c.action)), ' ',
1608      'idea ', a
1609    ), cb)
1610  })
1611}
1612
1613RenderMsg.prototype.ideaUpdate = function (cb) {
1614  var self = this
1615  var done = multicb({pluck: 1, spread: true})
1616  var props = {}
1617  for (var k in self.c) {
1618    if (k !== 'ideaKey' && k !== 'type' && k !== 'talenet-version') {
1619      props[k] = self.c[k]
1620    }
1621  }
1622  var keys = Object.keys(props).sort().join()
1623
1624  if (keys === 'title') {
1625    return self.wrapMini(h('span',
1626      'titles idea ',
1627      h('a', {href: self.toUrl(self.c.ideaKey)}, String(props.title))
1628    ), cb)
1629  }
1630
1631  if (keys === 'description') {
1632    return self.link(self.c.ideaKey, function (err, a) {
1633      self.wrap(h('div',
1634        'describes idea ', a, ':',
1635        h('blockquote', {innerHTML: self.render.markdown(props.description)})
1636      ), cb)
1637    })
1638  }
1639
1640  if (keys === 'description,title') {
1641    return self.wrap(h('div',
1642      'describes idea ',
1643      h('a', {href: self.toUrl(self.c.ideaKey)}, String(props.title)),
1644      ':',
1645      h('blockquote', {innerHTML: self.render.markdown(props.description)})
1646    ), cb)
1647  }
1648
1649  self.link(self.c.ideaKey, done())
1650  var table = self.valueTable(props, 1, done())
1651  done(function (err, ideaA) {
1652    self.wrap(h('div', [
1653      'updates idea ', ideaA,
1654      table
1655    ]), cb)
1656  })
1657}
1658
1659RenderMsg.prototype.ideaComment = function (cb) {
1660  var self = this
1661  var done = multicb({pluck: 1, spread: true})
1662  self.link(self.c.ideaKey, done())
1663  self.link(self.c.commentKey, done())
1664  done(function (err, ideaLink, commentLink) {
1665    if (err) return self.wrap(u.renderError(err), cb)
1666    self.wrap(h('div', [
1667      ideaLink ? h('div', h('small', h('span.symbol', '→'), ' idea ', ideaLink)) : '',
1668      commentLink ? h('div', h('small', h('span.symbol', '↳'), ' comment ', commentLink)) : '',
1669      self.c.text ?
1670        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''
1671    ]), cb)
1672  })
1673}
1674
1675RenderMsg.prototype.aboutResource = function (cb) {
1676  var self = this
1677  return self.wrap(h('div',
1678    'describes resource ',
1679    h('a', {href: self.toUrl(self.c.about)}, String(self.c.name)),
1680    ':',
1681    h('blockquote', {innerHTML: self.render.markdown(self.c.description)})
1682  ), cb)
1683}
1684
1685RenderMsg.prototype.lineComment = function (cb) {
1686  var self = this
1687  var done = multicb({pluck: 1, spread: true})
1688  self.link(self.c.repo, done())
1689  self.getMsg(self.c.updateId, done())
1690  done(function (err, repoLink, updateMsg) {
1691    if (err) return cb(err)
1692    return self.wrap(h('div',
1693      h('div', h('small', '> ',
1694        repoLink, ' ',
1695        h('a', {
1696          href: self.toUrl(self.c.updateId)
1697        },
1698          updateMsg
1699            ? htime(new Date(updateMsg.value.timestamp))
1700            : String(self.c.updateId)
1701        ), ' ',
1702        h('a', {
1703          href: self.toUrl('/git/commit/' + self.c.commitId + '?msg=' + encodeURIComponent(self.c.updateId))
1704        }, String(self.c.commitId).substr(0, 8)), ' ',
1705        h('a', {
1706          href: self.toUrl('/git/line-comment/' +
1707            encodeURIComponent(self.msg.key || JSON.stringify(self.msg)))
1708        }, h('code', self.c.filePath + ':' + self.c.line))
1709      )),
1710      self.c.text ?
1711        h('div', {innerHTML: self.markdown()}) : ''), cb)
1712  })
1713}
1714
1715RenderMsg.prototype.webInit = function (cb) {
1716  var self = this
1717  var url = '/web/' + encodeURIComponent(this.msg.key)
1718  self.wrapMini(h('a',
1719    {href: this.toUrl(url)},
1720    'website'
1721  ), cb)
1722}
1723
1724RenderMsg.prototype.webRoot = function (cb) {
1725  var self = this
1726  var site = u.isRef(this.c.site) && this.c.site
1727  var root = u.isRef(this.c.root) && this.c.root
1728  self.wrapMini(h('span',
1729    'updated website ',
1730    site ? [
1731      h('a', {href: this.toUrl('/web/' + encodeURIComponent(site))}, site.substr(0, 8) + '…'), ' '
1732    ] : '',
1733    root ? [
1734      'to ', h('a', {href: this.toUrl(root)}, root.substr(0, 8) + '…')
1735    ] : ''
1736  ), cb)
1737}
1738
1739RenderMsg.prototype.poll = function (cb) {
1740  var self = this
1741  var closeDate = new Date(self.c.closesAt)
1742  var details = self.c.pollDetails || self.c.details || {}
1743  var choices = u.toArray(details.choices)
1744  return self.wrap(h('div',
1745    h('h3', {innerHTML: unwrapP(self.render.markdown(self.c.title))}),
1746    h('div', {innerHTML: unwrapP(self.render.markdown(self.c.body, self.c.mentions))}),
1747    details.type === 'chooseOne' ?  h('form', {method: 'post', action: ''},
1748      h('input', {type: 'hidden', name: 'action', value: 'poll-position'}),
1749      h('input', {type: 'hidden', name: 'poll_root', value: self.msg.key}),
1750      h('input', {type: 'hidden', name: 'poll_type', value: 'chooseOne'}),
1751      choices.map(function (choice) {
1752        return [h('input', {type: 'submit', name: 'poll_choice', value: choice}), ' ']
1753      })
1754    ) : h('div', 'unknown poll type'),
1755    h('p', 'closes at: ', h('span', {
1756      title: closeDate.toLocaleString()
1757    }, closeDate.toString()))
1758  ), cb)
1759}
1760
1761RenderMsg.prototype.pollPosition = function (cb) {
1762  var self = this
1763  var details = self.c.pollDetails || self.c.details || {}
1764  var reason = self.c.reason || ''
1765  var done = multicb({pluck: 1, spread: true})
1766  self.link(self.c.root, done())
1767  self.links(self.c.branch, done())
1768  var msgCb = done()
1769  self.app.getMsg(self.c.root, function (err, msg) {
1770    // ignore error getting root message... it's not that important
1771    msgCb(null, msg)
1772  })
1773  done(function (err, rootLink, branchLinks, rootMsg) {
1774    if (err) return cb(err)
1775    var rootContent = rootMsg && rootMsg.value.content || {}
1776    var rootDetails = rootContent.pollDetails || rootContent.details || {}
1777    var choices = u.toArray(rootDetails.choices)
1778    var choice = details.choice && choices && choices[details.choice]
1779    return self.wrap(h('div',
1780      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
1781      branchLinks.map(function (a, i) {
1782        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
1783      }),
1784      h('p',
1785        'picked ',
1786        choice ? h('q', choice) : ['choice ', String(details.choice || '?')]
1787      ),
1788      reason ? h('div', {innerHTML: self.render.markdown(reason, self.c.mentions)}) : ''
1789    ), cb)
1790  })
1791}
1792
1793RenderMsg.prototype.scat = function (cb) {
1794  this.wrapMini([
1795    'chats ',
1796    h('q', String(this.c.text))
1797  ], cb)
1798}
1799

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