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Tree: a448b261d6bffa420d1f0c4d57ebe852146001bf

Files: a448b261d6bffa420d1f0c4d57ebe852146001bf / lib / render-msg.js

52408 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-idea-hat': return this.ideaHat(cb)
290    case 'talenet-idea-update': return this.ideaUpdate(cb)
291    case 'talenet-idea-comment':
292    case 'talenet-idea-comment_reply': return this.ideaComment(cb)
293    case 'about-resource': return this.aboutResource(cb)
294    case 'line-comment': return this.lineComment(cb)
295    case 'web-init': return this.webInit(cb)
296    case 'web-root': return this.webRoot(cb)
297    default: return this.object(cb)
298  }
299}
300
301RenderMsg.prototype.encrypted = function (cb) {
302  this.wrapMini(this.render.lockIcon(), cb)
303}
304
305RenderMsg.prototype.markdown = function (cb) {
306  if (this.opts.markdownSource)
307    return this.markdownSource(this.c.text, this.c.mentions)
308  return this.render.markdown(this.c.text, this.c.mentions)
309}
310
311RenderMsg.prototype.markdownSource = function (text, mentions) {
312  return h('div',
313    h('pre', String(text)),
314    mentions ? [
315      h('div', h('em', 'mentions:')),
316      this.valueTable(mentions, 2, function () {})
317    ] : ''
318  ).innerHTML
319}
320
321RenderMsg.prototype.post = function (cb) {
322  var self = this
323  var done = multicb({pluck: 1, spread: true})
324  if (self.c.root === self.c.branch) done()()
325  else self.link(self.c.root, done())
326  self.links(self.c.branch, done())
327  self.links(self.c.fork, done())
328  done(function (err, rootLink, branchLinks, forkLinks) {
329    if (err) return self.wrap(u.renderError(err), cb)
330    self.wrap(h('div.ssb-post',
331      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
332      branchLinks.map(function (a, i) {
333        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
334      }),
335      forkLinks.map(function (a, i) {
336        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
337      }),
338      h('div.ssb-post-text', {innerHTML: self.markdown()})
339    ), cb)
340  })
341}
342
343RenderMsg.prototype.vote = function (cb) {
344  var self = this
345  var v = self.c.vote || self.c.like || {}
346  self.link(v, function (err, a) {
347    if (err) return cb(err)
348    self.wrapMini([
349      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
350      ' ', a,
351      v.reason ? [' as ', h('q', v.reason)] : ''
352    ], cb)
353  })
354}
355
356RenderMsg.prototype.getName = function (id, cb) {
357  switch (id && id[0]) {
358    case '%': return this.getMsgName(id, cb)
359    case '@': // fallthrough
360    case '&': return this.getAboutName(id, cb)
361    default: return cb(null, String(id))
362  }
363}
364
365RenderMsg.prototype.getMsgName = function (id, cb) {
366  var self = this
367  self.app.getMsg(id, function (err, msg) {
368    if (err && err.name == 'NotFoundError')
369      cb(null, id.substring(0, 10)+'...(missing)')
370    else if (err) cb(err)
371      // preserve security: only decrypt the linked message if we decrypted
372      // this message
373    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
374    else gotMsg(null, msg)
375  })
376  function gotMsg(err, msg) {
377    if (err) return cb(err)
378    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
379  }
380}
381
382function truncate(str, len) {
383  str = String(str)
384  return str.length > len ? str.substr(0, len) + '...' : str
385}
386
387function title(str) {
388  return truncate(mdInline(str), 72)
389}
390
391RenderMsg.prototype.title = function (cb) {
392  var self = this
393  self.app.filterMsg(self.msg, self.opts, function (err, show) {
394    if (err) return cb(err)
395    if (show) self.title1(cb)
396    else cb(null, '[…]')
397  })
398}
399
400RenderMsg.prototype.title1 = function (cb) {
401  var self = this
402  if (!self.c || typeof self.c !== 'object') {
403    cb(null, self.msg.key)
404  } else if (typeof self.c.text === 'string') {
405    if (self.c.type === 'post')
406      cb(null, title(self.c.text))
407    else
408      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
409  } else {
410    if (self.c.type === 'ssb-dns')
411      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
412    else if (self.c.type === 'npm-publish')
413      self.npmPublishTitle(cb)
414    else if (self.c.type === 'chess_chat')
415      cb(null, title(self.c.msg))
416    else if (self.c.type === 'chess_invite')
417      self.chessInviteTitle(cb)
418    else if (self.c.type === 'bookclub')
419      self.bookclubTitle(cb)
420    else if (self.c.type === 'talenet-skill-create' && self.c.name)
421      cb(null, self.c.name)
422    else if (self.c.type === 'talenet-idea-create')
423      self.app.getIdeaTitle(self.msg.key, cb)
424    else
425    self.app.getAbout(self.msg.key, function (err, about) {
426      if (err) return cb(err)
427      var name = about.name || about.title
428        || (about.description && mdInline(about.description))
429      if (name) return cb(null, truncate(name, 72))
430      self.message(function (err, el) {
431        if (err) return cb(err)
432        cb(null, '%' + title(h('div', el).textContent))
433      })
434    })
435  }
436}
437
438RenderMsg.prototype.getAboutName = function (id, cb) {
439  this.app.getAbout(id, function (err, about) {
440    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
441  })
442}
443
444RenderMsg.prototype.link = function (link, cb) {
445  var self = this
446  var ref = u.linkDest(link)
447  if (!ref) return cb(null, '')
448  self.getName(ref, function (err, name) {
449    if (err) name = truncate(ref, 10)
450    cb(null, h('a', {href: self.toUrl(ref)}, name))
451  })
452}
453
454RenderMsg.prototype.link1 = function (link, cb) {
455  var self = this
456  var ref = u.linkDest(link)
457  if (!ref) return cb(), ''
458  var a = h('a', {href: self.toUrl(ref)}, ref)
459  self.getName(ref, function (err, name) {
460    if (err) name = ref
461    a.childNodes[0].textContent = name
462    cb()
463  })
464  return a
465}
466
467RenderMsg.prototype.links = function (links, cb) {
468  var self = this
469  var done = multicb({pluck: 1})
470  u.toArray(links).forEach(function (link) {
471    self.link(link, done())
472  })
473  done(cb)
474}
475
476function dateTime(d) {
477  var date = new Date(d.epoch)
478  return date.toString()
479  // d.bias
480  // d.epoch
481}
482
483// TODO: make more DRY
484var knownAboutProps = {
485  type: true,
486  root: true,
487  about: true,
488  attendee: true,
489  about: true,
490  image: true,
491  description: true,
492  name: true,
493  title: true,
494  attendee: true,
495  startDateTime: true,
496  endDateTime: true,
497  location: true,
498  /*
499  rating: true,
500  ratingType: true,
501  */
502  'talenet-version': true,
503}
504
505RenderMsg.prototype.about = function (cb) {
506  var keys = Object.keys(this.c).sort().join()
507  var isSelf = this.c.about === this.msg.value.author
508
509  if (keys === 'about,name,type') {
510    return this.wrapMini([
511      isSelf ?
512        'self-identifies as ' :
513        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
514      h('ins', this.c.name)
515    ], cb)
516  }
517
518  if (keys === 'about,publicWebHosting,type') {
519    var public = this.c.publicWebHosting && this.c.publicWebHosting !== 'false'
520    return this.wrapMini([
521      isSelf ?
522        public ? 'is okay with being hosted publicly'
523        : 'wishes to not to be hosted publicly'
524      : public ? ['thinks ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
525          ' should be hosted publicly ']
526        : ['wishes ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
527          ' to not be hosted publicly']
528    ], cb)
529  }
530
531  var done = multicb({pluck: 1, spread: true})
532  var elCb = done()
533
534  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
535    && keys === 'about,attendee,type'
536  if (isAttendingMsg) {
537    var attending = !this.c.attendee.remove
538    this.wrapMini([
539      attending ? ' is attending' : ' is not attending', ' ',
540      this.link1(this.c.about, done())
541      ], elCb)
542    return done(cb)
543  }
544
545  var extras
546  for (var k in this.c) {
547    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
548      if (!extras) extras = {}
549      extras[k] = this.c[k]
550    }
551  }
552
553  var img = u.linkDest(this.c.image)
554  // if there is a description, it is likely to be multi-line
555  var hasDescription = this.c.description != null
556  // if this about message gives the thing a name, show its id
557  var showComputedName = !isSelf && !this.c.name
558
559  this.wrap([
560    this.c.root ? h('div',
561      h('small', '> ', this.link1(this.c.root, done()))
562    ) : '',
563    isSelf ? 'self-describes as ' : [
564      'describes ',
565      !this.c.about ? ''
566        : showComputedName ? this.link1(this.c.about, done())
567        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
568      ' as '
569    ],
570    this.c.name ? [h('ins', this.c.name), ' '] : '',
571    this.c.description ? h('div',
572      {innerHTML: this.render.markdown(this.c.description)}) : '',
573    this.c.title ? h('h3', this.c.title) : '',
574    this.c.attendee ? h('div',
575      this.link1(this.c.attendee.link, done()),
576      this.c.attendee.remove ? ' is not attending' : ' is attending'
577    ) : '',
578    this.c.startDateTime ? h('div',
579      'starting at ', dateTime(this.c.startDateTime)) : '',
580    this.c.endDateTime ? h('div',
581      'ending at ', dateTime(this.c.endDateTime)) : '',
582    this.c.location ? h('div', 'at ', this.c.location) : '',
583    img ? h('a', {href: this.toUrl(img)},
584      h('img.ssb-avatar-image', {
585        src: this.render.imageUrl(img),
586        alt: ' ',
587      })) : '',
588    /*
589    this.c.rating != null ? this.aboutRating() : '',
590    */
591    extras ? this.valueTable(extras, 1, done())
592    : ''
593  ], elCb)
594  done(cb)
595}
596
597/*
598 * disabled until it's clearer how to do this -cel
599RenderMsg.prototype.aboutRating = function (cb) {
600  var rating = Number(this.c.rating)
601  var type = this.c.ratingType || '★'
602  var text = rating + ' ' + type
603  if (isNaN(rating)) return 'rating: ' + text
604  if (rating > 5) rating = 5
605  var el = h('div', {title: text})
606  for (var i = 0; i < rating; i++) {
607    el.appendChild(h('span',
608      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
609    ))
610  }
611  return el
612}
613*/
614
615RenderMsg.prototype.contact = function (cb) {
616  var self = this
617  self.link(self.c.contact, function (err, a) {
618    if (err) return cb(err)
619    if (!a) a = "?"
620      self.wrapMini([
621        self.c.following && self.c.autofollow ? 'follows pub' :
622        self.c.following && self.c.pub ? 'autofollows' :
623        self.c.following ? 'follows' :
624        self.c.blocking ? 'blocks' :
625        self.c.flagged ? 'flagged' :
626        self.c.following === false ? 'unfollows' :
627        self.c.blocking === false ? 'unblocks' : '',
628        self.c.flagged === false ? 'unflagged' :
629        ' ', a,
630        self.c.note ? [
631          ' from ',
632          h('code', self.c.note)
633        ] : '',
634        self.c.reason ? [' because ', h('q', self.c.reason)] : ''
635      ], cb)
636  })
637}
638
639RenderMsg.prototype.pub = function (cb) {
640  var self = this
641  var addr = self.c.address || {}
642  self.link(addr.key, function (err, pubLink) {
643    if (err) return cb(err)
644      self.wrapMini([
645        'connects to ', pubLink, ' at ',
646        h('code', addr.host + ':' + addr.port)], cb)
647  })
648}
649
650RenderMsg.prototype.channel = function (cb) {
651  var chan = '#' + this.c.channel
652  this.wrapMini([
653    this.c.subscribed ? 'subscribes to ' :
654    this.c.subscribed === false ? 'unsubscribes from ' : '',
655    h('a', {href: this.toUrl(chan)}, chan)], cb)
656}
657
658RenderMsg.prototype.gitRepo = function (cb) {
659  var self = this
660  var id = self.msg.key
661  var name = self.c.name
662  var upstream = self.c.upstream
663  self.link(upstream, function (err, upstreamA) {
664    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
665    self.wrapMini([
666      upstream ? ['forked ', upstreamA, ': '] : '',
667      'git clone ',
668      h('code', h('small', 'ssb://' + id)),
669      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
670    ], cb)
671  })
672}
673
674RenderMsg.prototype.gitUpdate = function (cb) {
675  var self = this
676  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
677  var size = [].concat(self.c.packs, self.c.indexes)
678    .map(function (o) { return o && o.size })
679    .reduce(function (total, s) { return total + s })
680
681  var done = multicb({pluck: 1, spread: true})
682  self.link(self.c.repo, done())
683  self.render.npmPackageMentions(self.c.mentions, done())
684  self.render.npmPrebuildMentions(self.c.mentions, done())
685  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
686    if (err) return cb(err)
687      self.wrap(h('div.ssb-git-update',
688        'git push ', a, ' ',
689        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
690        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
691          var id = self.c.refs[ref]
692          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
693          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
694            + '?msg=' + encodeURIComponent(self.msg.key))
695            + '&search=1'
696          return h('li',
697            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
698            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
699               : h('em', 'deleted'))
700      })) : '',
701      Array.isArray(self.c.commits) ?
702        h('ul', self.c.commits.map(function (commit) {
703          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
704            + '?msg=' + encodeURIComponent(self.msg.key)
705          return h('li', h('a', {href: self.render.toUrl(path)},
706            h('code', String(commit.sha1).substr(0, 8))), ' ',
707            self.linkify(String(commit.title)),
708            self.render.gitCommitBody(commit.body)
709          )
710        })) : '',
711      Array.isArray(self.c.tags) ?
712        h('ul', self.c.tags.map(function (tag) {
713          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
714            + '?msg=' + encodeURIComponent(self.msg.key)
715          return h('li',
716            h('a', {href: self.render.toUrl(path)},
717              h('code', String(tag.sha1).substr(0, 8))), ' ',
718            'tagged ', String(tag.type), ' ',
719            h('code', String(tag.object).substr(0, 8)), ' ',
720            String(tag.tag),
721            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
722            tag.body ? self.render.gitCommitBody(tag.body) : ''
723          )
724        })) : '',
725        self.c.commits_more ? h('div',
726          '+ ' + self.c.commits_more + ' more commits') : '',
727        self.c.tags_more ? h('div',
728          '+ ' + self.c.tags_more + ' more tags') : '',
729        pkgMentionsEl,
730        prebuildMentionsEl
731    ), cb)
732  })
733}
734
735RenderMsg.prototype.gitPullRequest = function (cb) {
736  var self = this
737  var done = multicb({pluck: 1, spread: true})
738  self.link(self.c.repo, done())
739  self.link(self.c.head_repo, done())
740  done(function (err, baseRepoLink, headRepoLink) {
741    if (err) return cb(err)
742    self.wrap(h('div.ssb-pull-request',
743      'pull request ',
744      'to ', baseRepoLink, ':', self.c.branch, ' ',
745      'from ', headRepoLink, ':', self.c.head_branch,
746      self.c.title ? h('h4', self.c.title) : '',
747      h('div', {innerHTML: self.markdown()})), cb)
748  })
749}
750
751RenderMsg.prototype.issue = function (cb) {
752  var self = this
753  self.link(self.c.project, function (err, projectLink) {
754    if (err) return cb(err)
755    self.wrap(h('div.ssb-issue',
756      'issue on ', projectLink,
757      self.c.title ? h('h4', self.c.title) : '',
758      h('div', {innerHTML: self.markdown()})), cb)
759  })
760}
761
762RenderMsg.prototype.issueEdit = function (cb) {
763  this.wrap('', cb)
764}
765
766RenderMsg.prototype.object = function (cb) {
767  var done = multicb({pluck: 1, spread: true})
768  var elCb = done()
769  this.wrap([
770    this.valueTable(this.c, 1, done()),
771  ], elCb)
772  done(cb)
773}
774
775RenderMsg.prototype.valueTable = function (val, depth, cb) {
776  var isContent = depth === 1
777  var self = this
778  switch (typeof val) {
779    case 'object':
780      if (val === null) return cb(), ''
781      var done = multicb({pluck: 1, spread: true})
782      var el = Array.isArray(val)
783        ? h('ul', val.map(function (item) {
784          return h('li', self.valueTable(item, depth + 1, done()))
785        }))
786        : h('table.ssb-object', Object.keys(val).map(function (key) {
787          if (key === 'text') {
788            return h('tr',
789              h('td', h('strong', 'text')),
790              h('td', h('div', {
791                innerHTML: self.render.markdown(val.text, val.mentions)
792              }))
793            )
794          } else if (isContent && key === 'type') {
795            // TODO: also link to images by type, using links2
796            var type = val.type
797            return h('tr',
798              h('td', h('strong', 'type')),
799              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
800            )
801          }
802          return h('tr',
803            h('td', h('strong', key)),
804            h('td', self.valueTable(val[key], depth + 1, done()))
805          )
806        }))
807      done(cb)
808      return el
809    case 'string':
810      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
811      if (u.isRef(val)) return self.link1(val, cb)
812      if (/^ssb-blob:\/\//.test(val)) return cb(), h('a', {href: self.toUrl(val)}, val)
813      return cb(), self.linkify(val)
814    case 'boolean':
815      return cb(), h('input', {
816        type: 'checkbox', disabled: 'disabled', checked: val
817      })
818    default:
819      return cb(), String(val)
820  }
821}
822
823RenderMsg.prototype.missing = function (cb) {
824  this.wrapMini([
825    h('code', 'MISSING'), ' ',
826    h('a', {href: '?ooo=1'}, 'fetch')
827  ], cb)
828}
829
830RenderMsg.prototype.issues = function (cb) {
831  var self = this
832  var done = multicb({pluck: 1, spread: true})
833  var issues = u.toArray(self.c.issues)
834  if (self.c.type === 'issue-edit' && self.c.issue) {
835    issues.push({
836      link: self.c.issue,
837      title: self.c.title,
838      open: self.c.open,
839    })
840  }
841  var els = issues.map(function (issue) {
842    var commit = issue.object || issue.label ? [
843      issue.object ? h('code', issue.object) : '', ' ',
844      issue.label ? h('q', issue.label) : ''] : ''
845    if (issue.merged === true)
846      return h('div',
847        'merged ', self.link1(issue, done()))
848    if (issue.open === false)
849      return h('div',
850        'closed ', self.link1(issue, done()))
851    if (issue.open === true)
852      return h('div',
853        'reopened ', self.link1(issue, done()))
854    if (typeof issue.title === 'string')
855      return h('div',
856        'renamed ', self.link1(issue, done()), ' to ', h('ins', issue.title))
857  })
858  done(cb)
859  return els.length > 0 ? [els, h('br')] : ''
860}
861
862RenderMsg.prototype.repost = function (cb) {
863  var self = this
864  var id = u.linkDest(self.c.repost)
865  self.app.getMsg(id, function (err, msg) {
866    if (err && err.name == 'NotFoundError')
867      gotMsg(null, id.substring(0, 10)+'...(missing)')
868    else if (err) gotMsg(err)
869    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
870    else gotMsg(null, msg)
871  })
872  function gotMsg(err, msg) {
873    if (err) return cb(err)
874    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
875      renderMsg.message(function (err, msgEl) {
876        self.wrapMini(['reposted ',
877          h('code.ssb-id',
878            h('a', {href: self.render.toUrl(id)}, id)),
879          h('div', err ? u.renderError(err) : msgEl || '')
880        ], cb)
881    })
882  }
883}
884
885RenderMsg.prototype.update = function (cb) {
886  var id = String(this.c.update)
887  this.wrapMini([
888    h('div', 'updated ', h('code.ssb-id',
889      h('a', {href: this.render.toUrl(id)}, id))),
890    this.c.title ? h('h4.msg-title', this.c.title) : '',
891    this.c.description ? h('div',
892      {innerHTML: this.render.markdown(this.c.description)}) : ''
893  ], cb)
894}
895
896function formatDuration(s) {
897  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
898}
899
900RenderMsg.prototype.audio = function (cb) {
901  // fileName, fallbackFileName, overview
902  this.wrap(h('table', h('tr',
903    h('td',
904      this.c.artworkSrc
905      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
906          src: this.render.imageUrl(this.c.artworkSrc),
907          alt: ' ',
908          width: 72,
909          height: 72,
910        }))
911      : ''),
912    h('td',
913      h('a', {href: this.render.toUrl(this.c.audioSrc)}, this.c.title),
914      isFinite(this.c.duration)
915        ? ' (' + formatDuration(this.c.duration) + ')'
916        : '',
917      this.c.description
918        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
919        : ''
920  ))), cb)
921}
922
923RenderMsg.prototype.musicRelease = function (cb) {
924  var self = this
925  this.wrap([
926    h('table', h('tr',
927      h('td',
928        this.c.cover
929          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
930              src: this.render.imageUrl(this.c.cover),
931              alt: ' ',
932              width: 72,
933              height: 72,
934            }))
935          : ''),
936      h('td',
937        h('h4.msg-title', this.c.title),
938        this.c.text
939          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
940          : ''
941      )
942    )),
943    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
944      return h('li',
945        h('a', {href: self.render.toUrl(track.link)}, track.fname))
946    }))
947  ], cb)
948}
949
950RenderMsg.prototype.dns = function (cb) {
951  var self = this
952  var record = self.c.record || {}
953  var done = multicb({pluck: 1, spread: true})
954  var elCb = done()
955  self.wrap([
956    h('div',
957      h('p',
958        h('ins', {title: 'name'}, record.name), ' ',
959        h('span', {title: 'ttl'}, record.ttl), ' ',
960        h('span', {title: 'class'}, record.class), ' ',
961        h('span', {title: 'type'}, record.type)
962      ),
963      h('pre', {title: 'data'},
964        JSON.stringify(record.data || record.value, null, 2)),
965      !self.c.branch ? null : h('div',
966        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
967          return [self.link1(id, done()), i === 0 ? ', ' : '']
968        })
969      )
970    )
971  ], elCb)
972  done(cb)
973}
974
975RenderMsg.prototype.wifiNetwork = function (cb) {
976  var net = this.c.network || {}
977  this.wrap([
978    h('div', 'wifi network'),
979    h('table',
980      Object.keys(net).map(function (key) {
981        return h('tr',
982          h('td', key),
983          h('td', h('pre', JSON.stringify(net[key]))))
984      })
985    ),
986  ], cb)
987}
988
989RenderMsg.prototype.mutualCredit = function (cb) {
990  var self = this
991  var currency = String(self.c.currency)
992  self.link(self.c.account, function (err, a) {
993    if (err) return cb(err)
994    self.wrapMini([
995      'credits ', a || '?', ' ',
996      h('code', self.c.amount), ' ',
997      currency[0] === '#'
998        ? h('a', {href: self.toUrl(currency)}, currency)
999        : h('ins', currency),
1000      self.c.memo ? [' for ', h('q', self.c.memo)] : ''
1001    ], cb)
1002  })
1003}
1004
1005RenderMsg.prototype.mutualAccount = function (cb) {
1006  return this.object(cb)
1007}
1008
1009RenderMsg.prototype.gathering = function (cb) {
1010  this.wrapMini('gathering', cb)
1011}
1012
1013function unwrapP(html) {
1014  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
1015    return $1
1016  })
1017}
1018
1019RenderMsg.prototype.micro = function (cb) {
1020  var el = h('span', {innerHTML: unwrapP(this.markdown())})
1021  this.wrapMini(el, cb)
1022}
1023
1024function hJoin(els, seperator, lastSeparator) {
1025  return els.map(function (el, i) {
1026    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
1027  })
1028}
1029
1030function asNpmReadme(readme) {
1031  if (!readme || readme === 'ERROR: No README data found!') return
1032  return u.ifString(readme)
1033}
1034
1035function singleValue(obj) {
1036  if (!obj || typeof obj !== 'object') return obj
1037  var keys = Object.keys(obj)
1038  if (keys.length === 1) return obj[keys[0]]
1039}
1040
1041function ifDifferent(obj, value) {
1042  if (singleValue(obj) !== value) return obj
1043}
1044
1045RenderMsg.prototype.npmPublish = function (cb) {
1046  var self = this
1047  var render = self.render
1048  var pkg = self.c.meta || {}
1049  var pkgReadme = asNpmReadme(pkg.readme)
1050  var pkgDescription = u.ifString(pkg.description)
1051
1052  var versions = Object.keys(pkg.versions || {})
1053  var singleVersion = versions.length === 1 ? versions[0] : null
1054  var singleRelease = singleVersion && pkg.versions[singleVersion]
1055  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1056
1057  var distTags = pkg['dist-tags'] || {}
1058  var distTagged = {}
1059  for (var distTag in distTags)
1060    if (distTag !== 'latest')
1061      distTagged[distTags[distTag]] = distTag
1062
1063  self.links(self.c.previousPublish, function (err, prevLinks) {
1064    if (err) return cb(err)
1065    self.wrap([
1066      h('div',
1067        'published ',
1068        h('u', pkg.name), ' ',
1069        hJoin(versions.map(function (version) {
1070          var distTag = distTagged[version]
1071          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1072        }), ', ')
1073      ),
1074      pkgDescription ? h('div',
1075        // TODO: make mdInline use custom emojis
1076        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1077      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1078      pkgReadme && pkgReadme !== singleReadme ?
1079        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1080      versions.map(function (version, i) {
1081        var release = pkg.versions[version] || {}
1082        var license = u.ifString(release.license)
1083        var author = ifDifferent(release.author, self.msg.value.author)
1084        var description = u.ifString(release.description)
1085        var readme = asNpmReadme(release.readme)
1086        var keywords = u.toArray(release.keywords).map(u.ifString)
1087        var dist = release.dist || {}
1088        var size = u.ifNumber(dist.size)
1089        return [
1090          h > 0 ? h('br') : '',
1091          version !== singleVersion ? h('div', 'version: ', version) : '',
1092          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1093          license ? h('div', 'license: ', h('code', license)) : '',
1094          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1095          size ? h('div', 'size: ', render.formatSize(size)) : '',
1096          description && description !== pkgDescription ?
1097            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1098          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1099        ]
1100      })
1101    ], cb)
1102  })
1103}
1104
1105RenderMsg.prototype.npmPackages = function (cb) {
1106  var self = this
1107  var done = multicb({pluck: 1, spread: true})
1108  var elCb = done()
1109  function renderIdLink(id) {
1110    return [h('a', {href: self.toUrl(id)}, truncate(id, 8)), ' ']
1111  }
1112  var singlePkg = self.c.mentions
1113    && self.c.mentions.length === 1
1114    && self.c.mentions[0]
1115  var m = singlePkg && /^npm:(.*?):(.*?):/.exec(singlePkg.name)
1116  var singlePkgSpec = m && (m[1] + (m[2] ? '@' + m[2] : ''))
1117  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1118    if (err) return cb(err)
1119    var dependencyLinks = u.toArray(self.c.dependencyBranch)
1120    var versionLinks = u.toArray(self.c.versionBranch)
1121    self.wrap(h('div', [
1122      el,
1123      singlePkg ? h('p',
1124        h('code',
1125          'npm install --registry=' +
1126            'http://' + self.app.host + ':' + self.app.port +
1127            '/npm-registry/' + encodeURIComponent(self.msg.key) + ' ' +
1128            singlePkgSpec),
1129      ) : '',
1130      dependencyLinks.length ? h('div',
1131        'dependencies via: ', dependencyLinks.map(renderIdLink)
1132      ) : '',
1133      versionLinks.length ? h('div',
1134        'previous versions: ', versionLinks.map(renderIdLink)
1135      ) : ''
1136    ]), elCb)
1137    return done(cb)
1138  })
1139}
1140
1141RenderMsg.prototype.npmPrebuilds = function (cb) {
1142  var self = this
1143  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1144    if (err) return cb(err)
1145    self.wrap(el, cb)
1146  })
1147}
1148
1149RenderMsg.prototype.npmPublishTitle = function (cb) {
1150  var pkg = this.c.meta || {}
1151  var name = pkg.name || pkg._id || '?'
1152
1153  var taggedVersions = {}
1154  for (var version in pkg.versions || {})
1155    taggedVersions[version] = []
1156
1157  var distTags = pkg['dist-tags'] || {}
1158  for (var distTag in distTags) {
1159    if (distTag === 'latest') continue
1160    var version = distTags[distTag] || '?'
1161    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1162    tags.push(distTag)
1163  }
1164
1165  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1166    var tags = taggedVersions[version]
1167    return (tags.length ? tags.join(',') + ':' : '') + version
1168  }).join(','))
1169}
1170
1171function expandDigitToSpaces(n) {
1172  return '         '.substr(-n)
1173}
1174
1175function parseFenRank (line) {
1176  return line.replace(/\d/g, expandDigitToSpaces).split('')
1177}
1178
1179function parseChess(fen) {
1180  var fields = String(fen).split(/\s+/)
1181  var ranks = fields[0].split('/')
1182  var f2 = fields[2] || ''
1183  return {
1184    board: ranks.map(parseFenRank),
1185    /*
1186    nextMove: fields[1] === 'b' ? 'black'
1187            : fields[1] === 'w' ? 'white' : 'unknown',
1188    castling: f2 === '-' ? {} : {
1189      w: {
1190        k: 0 < f2.indexOf('K'),
1191        q: 0 < f2.indexOf('Q'),
1192      },
1193      b: {
1194        k: 0 < f2.indexOf('k'),
1195        q: 0 < f2.indexOf('q'),
1196      }
1197    },
1198    enpassantTarget: fields[3] === '-' ? null : fields[3],
1199    halfmoves: Number(fields[4]),
1200    fullmoves: Number(fields[5]),
1201    */
1202  }
1203}
1204
1205var chessSymbols = {
1206  ' ': [' ', ''],
1207  P: ['♙', 'white', 'pawn'],
1208  N: ['♘', 'white', 'knight'],
1209  B: ['♗', 'white', 'bishop'],
1210  R: ['♖', 'white', 'rook'],
1211  Q: ['♕', 'white', 'queen'],
1212  K: ['♔', 'white', 'king'],
1213  p: ['♟', 'black', 'pawn'],
1214  n: ['♞', 'black', 'knight'],
1215  b: ['♝', 'black', 'bishop'],
1216  r: ['♜', 'black', 'rook'],
1217  q: ['♛', 'black', 'queen'],
1218  k: ['♚', 'black', 'king'],
1219}
1220
1221function chessPieceName(c) {
1222  return chessSymbols[c] && chessSymbols[c][2] || '?'
1223}
1224
1225function renderChessSymbol(c, loc) {
1226  var info = chessSymbols[c] || ['?', '', 'unknown']
1227  return h('span.symbol', {
1228    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1229  }, info[0])
1230}
1231
1232function chessLocToIdxs(loc) {
1233  var m = /^([a-h])([1-8])$/.exec(loc)
1234  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1235}
1236
1237function lookupPiece(board, loc) {
1238  var idxs = chessLocToIdxs(loc)
1239  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1240}
1241
1242function chessIdxsToLoc(i, j) {
1243  return 'abcdefgh'[j] + (8-i)
1244}
1245
1246RenderMsg.prototype.chessBoard = function (board) {
1247  if (!board) return ''
1248  return h('table.chess-board',
1249    board.map(function (rank, i) {
1250      return h('tr', rank.map(function (piece, j) {
1251        var dark = (i ^ j) & 1
1252        return h('td', {
1253          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1254        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1255      }))
1256    })
1257  )
1258}
1259
1260RenderMsg.prototype.chessMove = function (cb) {
1261  var self = this
1262  var c = self.c
1263  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1264  var game = parseChess(fen)
1265  var piece = game && lookupPiece(game.board, c.dest)
1266  self.link(self.c.root, function (err, rootLink) {
1267    if (err) return cb(err)
1268    self.wrap([
1269      h('div', h('small', '> ', rootLink)),
1270      h('p',
1271        // 'player ', (c.ply || ''), ' ',
1272        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1273        'from ', c.orig, ' ',
1274        'to ', c.dest
1275      ),
1276      self.chessBoard(game.board)
1277    ], cb)
1278  })
1279}
1280
1281RenderMsg.prototype.chessInvite = function (cb) {
1282  var self = this
1283  var myColor = self.c.myColor
1284  self.link(self.c.inviting, function (err, link) {
1285    if (err) return cb(err)
1286    self.wrap([
1287      'invites ', link, ' to play chess',
1288      // myColor ? h('p', 'my color is ' + myColor) : ''
1289    ], cb)
1290  })
1291}
1292
1293RenderMsg.prototype.chessInviteTitle = function (cb) {
1294  var self = this
1295  var done = multicb({pluck: 1, spread: true})
1296  self.getName(self.c.inviting, done())
1297  self.getName(self.msg.value.author, done())
1298  done(function (err, inviteeLink, inviterLink) {
1299    if (err) return cb(err)
1300    self.wrap([
1301      'chess: ', inviterLink, ' vs. ', inviteeLink
1302    ], cb)
1303  })
1304}
1305
1306RenderMsg.prototype.chessInviteAccept = function (cb) {
1307  var self = this
1308  self.link(self.c.root, function (err, rootLink) {
1309    if (err) return cb(err)
1310    self.wrap([
1311      h('div', h('small', '> ', rootLink)),
1312      h('p', 'accepts invitation to play chess')
1313    ], cb)
1314  })
1315}
1316
1317RenderMsg.prototype.chessGameEnd = function (cb) {
1318  var self = this
1319  var c = self.c
1320  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1321    if (err) return cb(err)
1322    self.wrap([
1323      h('div', h('small', '> ', rootLink)),
1324      h('p', h('strong', 'resigned'))
1325    ], cb)
1326  })
1327
1328  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1329  var game = parseChess(fen)
1330  var piece = game && lookupPiece(game.board, c.dest)
1331  var done = multicb({pluck: 1, spread: true})
1332  self.link(self.c.root, done())
1333  self.link(self.c.winner, done())
1334  done(function (err, rootLink, winnerLink) {
1335    if (err) return cb(err)
1336    self.wrap([
1337      h('div', h('small', '> ', rootLink)),
1338      h('p',
1339        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1340        'from ', c.orig, ' ',
1341        'to ', c.dest
1342      ),
1343      h('p',
1344        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1345      self.chessBoard(game.board)
1346    ], cb)
1347  })
1348}
1349
1350RenderMsg.prototype.chessChat = function (cb) {
1351  var self = this
1352  self.link(self.c.root, function (err, rootLink) {
1353    if (err) return cb(err)
1354    self.wrap([
1355      h('div', h('small', '> ', rootLink)),
1356      h('p', self.c.msg)
1357    ], cb)
1358  })
1359}
1360
1361RenderMsg.prototype.chessMove = function (cb) {
1362  if (this.opts.full) return this.chessMoveFull(cb)
1363  return this.chessMoveMini(cb)
1364}
1365
1366RenderMsg.prototype.chessMoveFull = function (cb) {
1367  var self = this
1368  var c = self.c
1369  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1370  var game = parseChess(fen)
1371  var piece = game && lookupPiece(game.board, c.dest)
1372  self.link(self.c.root, function (err, rootLink) {
1373    if (err) return cb(err)
1374    self.wrap([
1375      h('div', h('small', '> ', rootLink)),
1376      h('p',
1377        // 'player ', (c.ply || ''), ' ',
1378        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1379        'from ', c.orig, ' ',
1380        'to ', c.dest
1381      ),
1382      self.chessBoard(game.board)
1383    ], cb)
1384  })
1385}
1386
1387RenderMsg.prototype.chessMoveMini = function (cb) {
1388  var self = this
1389  var c = self.c
1390  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1391  var game = parseChess(fen)
1392  var piece = game && lookupPiece(game.board, c.dest)
1393  self.link(self.c.root, function (err, rootLink) {
1394    if (err) return cb(err)
1395    self.wrapMini([
1396      'moved ', chessPieceName(piece), ' ',
1397      'to ', c.dest
1398    ], cb)
1399  })
1400}
1401
1402RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1403  var self = this
1404  self.wrapMini(h('span',
1405    'serves ',
1406    hJoin(u.toArray(self.c.challenges).map(function (challenge) {
1407      return h('a', {
1408        href: 'http://' + challenge.domain +
1409          '/.well-known/acme-challenge/' + challenge.token,
1410        title: challenge.keyAuthorization,
1411      }, challenge.domain)
1412    }), ', ', ', and ')
1413  ), cb)
1414}
1415
1416RenderMsg.prototype.bookclub = function (cb) {
1417  var self = this
1418  var props = self.c.common || self.c
1419  var images = u.toLinkArray(props.image || props.images)
1420  self.wrap(h('table', h('tr',
1421    h('td',
1422      images.map(function (image) {
1423        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1424          src: self.render.imageUrl(image.link),
1425          alt: image.name || ' ',
1426          width: 180,
1427        }))
1428      })),
1429    h('td',
1430      h('h4', props.title),
1431      props.authors ?
1432        h('p', h('em', props.authors))
1433        : '',
1434      props.description
1435        ? h('div', {innerHTML: self.render.markdown(props.description)})
1436        : ''
1437    )
1438  )), cb)
1439}
1440
1441RenderMsg.prototype.bookclubTitle = function (cb) {
1442  var props = this.c.common || this.c
1443  cb(null, props.title || 'book')
1444}
1445
1446RenderMsg.prototype.sombrioPosition = function () {
1447  return h('span', '[' + this.c.position + ']')
1448}
1449
1450RenderMsg.prototype.sombrioWall = function (cb) {
1451  var self = this
1452  self.wrapMini(h('span',
1453    self.sombrioPosition(),
1454    ' wall'
1455  ), cb)
1456}
1457
1458RenderMsg.prototype.sombrioTombstone = function (cb) {
1459  var self = this
1460  self.wrapMini(h('span',
1461    self.sombrioPosition(),
1462    ' tombstone'
1463  ), cb)
1464}
1465
1466RenderMsg.prototype.sombrioScore = function (cb) {
1467  var self = this
1468  self.wrapMini(h('span',
1469    'scored ',
1470    h('ins', self.c.score)
1471  ), cb)
1472}
1473
1474RenderMsg.prototype.blog = function (cb) {
1475  var self = this
1476  var blogId = u.linkDest(self.c.blog)
1477  var imgId = u.linkDest(self.c.thumbnail)
1478  var imgLink = imgId ? u.toLinkArray(self.c.mentions).filter(function (link) {
1479    return link.link === imgId
1480  })[0] || u.toLink(self.c.thumbnail) : null
1481  self.wrapMini(h('table', h('tr',
1482    h('td',
1483      imgId ? h('img', {
1484        src: self.render.imageUrl(imgId),
1485        alt: (imgLink.name || '')
1486          + (imgLink.size != null ? ' (' + self.render.formatSize(imgLink.size) + ')' : ''),
1487        width: 180,
1488      }) : 'blog'),
1489    h('td',
1490      blogId ? h('h3', h('a', {href: self.render.toUrl('/markdown/' + blogId)},
1491        self.c.title || self.msg.key)) : '',
1492      self.c.summary || '')
1493  )), cb)
1494}
1495
1496RenderMsg.prototype.imageMap = function (cb) {
1497  var self = this
1498  var imgLink = u.toLink(self.c.image)
1499  var imgRef = imgLink && imgLink.link
1500  var mapName = 'map' + u.token()
1501  self.wrap(h('div', [
1502    h('map', {name: mapName},
1503      u.toArray(self.c.areas).map(function (areaLink) {
1504        var href = areaLink && self.toUrl(areaLink.link)
1505        return href ? h('area', {
1506          shape: String(areaLink.shape),
1507          coords: String(areaLink.coords),
1508          href: href,
1509        }) : ''
1510      })
1511    ),
1512    imgRef && imgRef[0] === '&' ? h('img', {
1513      src: self.render.imageUrl(imgRef),
1514      width: Number(imgLink.width) || undefined,
1515      height: Number(imgLink.height) || undefined,
1516      alt: String(imgLink.name || ''),
1517      usemap: '#' + mapName,
1518    }) : ''
1519  ]), cb)
1520}
1521
1522RenderMsg.prototype.skillCreate = function (cb) {
1523  var self = this
1524  self.wrapMini(h('span',
1525    ' created skill ',
1526    h('ins', self.c.name)
1527  ), cb)
1528}
1529
1530RenderMsg.prototype.ideaCreate = function (cb) {
1531  var self = this
1532  self.wrapMini(h('span',
1533    ' has an idea'
1534  ), cb)
1535}
1536
1537RenderMsg.prototype.identitySkillAssign = function (cb) {
1538  var self = this
1539  self.link(self.c.skillKey, function (err, a) {
1540    self.wrapMini(h('span',
1541      self.c.action === 'assign' ? 'assigns '
1542        : self.c.action === 'unassign' ? 'unassigns '
1543        : h('code', self.c.action), ' ',
1544      'skill ', a
1545    ), cb)
1546  })
1547}
1548
1549RenderMsg.prototype.ideaSkillAssign = function (cb) {
1550  var self = this
1551  var done = multicb({pluck: 1, spread: true})
1552  self.link(self.c.skillKey, done())
1553  self.link(self.c.ideaKey, done())
1554  done(function (err, skillA, ideaA) {
1555    self.wrapMini(h('span',
1556      self.c.action === 'assign' ? 'assigns '
1557        : self.c.action === 'unassign' ? 'unassigns '
1558        : h('code', self.c.action), ' ',
1559      'skill ', skillA,
1560      ' to idea ',
1561      ideaA
1562    ), cb)
1563  })
1564}
1565
1566RenderMsg.prototype.ideaAssocate = function (cb) {
1567  var self = this
1568  self.link(self.c.ideaKey, function (err, a) {
1569    self.wrapMini(h('span',
1570      self.c.action === 'associate' ? 'associates with '
1571        : self.c.action === 'disassociate' ? 'disassociates with '
1572        : h('code', self.c.action), ' ',
1573      'idea ', a
1574    ), cb)
1575  })
1576}
1577
1578RenderMsg.prototype.ideaHat = function (cb) {
1579  var self = this
1580  self.link(self.c.ideaKey, function (err, a) {
1581    self.wrapMini(h('span',
1582      self.c.action === 'take' ? 'takes '
1583        : self.c.action === 'discard' ? 'discards '
1584        : h('code', self.c.action), ' ',
1585      'idea ', a
1586    ), cb)
1587  })
1588}
1589
1590RenderMsg.prototype.ideaUpdate = function (cb) {
1591  var self = this
1592  var done = multicb({pluck: 1, spread: true})
1593  var props = {}
1594  for (var k in self.c) {
1595    if (k !== 'ideaKey' && k !== 'type' && k !== 'talenet-version') {
1596      props[k] = self.c[k]
1597    }
1598  }
1599  var keys = Object.keys(props).sort().join()
1600
1601  if (keys === 'title') {
1602    return self.wrapMini(h('span',
1603      'titles idea ',
1604      h('a', {href: self.toUrl(self.c.ideaKey)}, props.title)
1605    ), cb)
1606  }
1607
1608  if (keys === 'description') {
1609    return self.link(self.c.ideaKey, function (err, a) {
1610      self.wrap(h('div',
1611        'describes idea ', a, ':',
1612        h('blockquote', {innerHTML: self.render.markdown(props.description)})
1613      ), cb)
1614    })
1615  }
1616
1617  if (keys === 'description,title') {
1618    return self.wrap(h('div',
1619      'describes idea ',
1620      h('a', {href: self.toUrl(self.c.ideaKey)}, props.title),
1621      ':',
1622      h('blockquote', {innerHTML: self.render.markdown(props.description)})
1623    ), cb)
1624  }
1625
1626  self.link(self.c.ideaKey, done())
1627  var table = self.valueTable(props, 1, done())
1628  done(function (err, ideaA) {
1629    self.wrap(h('div', [
1630      'updates idea ', ideaA,
1631      table
1632    ]), cb)
1633  })
1634}
1635
1636RenderMsg.prototype.ideaComment = function (cb) {
1637  var self = this
1638  var done = multicb({pluck: 1, spread: true})
1639  self.link(self.c.ideaKey, done())
1640  self.link(self.c.commentKey, done())
1641  done(function (err, ideaLink, commentLink) {
1642    if (err) return self.wrap(u.renderError(err), cb)
1643    self.wrap(h('div', [
1644      ideaLink ? h('div', h('small', h('span.symbol', '→'), ' idea ', ideaLink)) : '',
1645      commentLink ? h('div', h('small', h('span.symbol', '↳'), ' comment ', commentLink)) : '',
1646      self.c.text ?
1647        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''
1648    ]), cb)
1649  })
1650}
1651
1652RenderMsg.prototype.aboutResource = function (cb) {
1653  var self = this
1654  return self.wrap(h('div',
1655    'describes resource ',
1656    h('a', {href: self.toUrl(self.c.about)}, self.c.name),
1657    ':',
1658    h('blockquote', {innerHTML: self.render.markdown(self.c.description)})
1659  ), cb)
1660}
1661
1662RenderMsg.prototype.lineComment = function (cb) {
1663  var self = this
1664  var done = multicb({pluck: 1, spread: true})
1665  self.link(self.c.repo, done())
1666  self.getMsg(self.c.updateId, done())
1667  done(function (err, repoLink, updateMsg) {
1668    if (err) return cb(err)
1669    return self.wrap(h('div',
1670      h('div', h('small', '> ',
1671        repoLink, ' ',
1672        h('a', {
1673          href: self.toUrl(self.c.updateId)
1674        },
1675          updateMsg
1676            ? htime(new Date(updateMsg.value.timestamp))
1677            : String(self.c.updateId)
1678        ), ' ',
1679        h('a', {
1680          href: self.toUrl('/git/commit/' + self.c.commitId + '?msg=' + encodeURIComponent(self.c.updateId))
1681        }, String(self.c.commitId).substr(0, 8)), ' ',
1682        h('a', {
1683          href: self.toUrl('/git/line-comment/' +
1684            encodeURIComponent(self.msg.key || JSON.stringify(self.msg)))
1685        }, h('code', self.c.filePath + ':' + self.c.line))
1686      )),
1687      self.c.text ?
1688        h('div', {innerHTML: self.markdown()}) : ''), cb)
1689  })
1690}
1691
1692RenderMsg.prototype.webInit = function (cb) {
1693  var self = this
1694  var url = '/web/' + encodeURIComponent(this.msg.key)
1695  self.wrapMini(h('a',
1696    {href: this.toUrl(url)},
1697    'website'
1698  ), cb)
1699}
1700
1701RenderMsg.prototype.webRoot = function (cb) {
1702  var self = this
1703  var site = u.isRef(this.c.site) && this.c.site
1704  var root = u.isRef(this.c.root) && this.c.root
1705  self.wrapMini(h('span',
1706    'updated website ',
1707    site ? [
1708      h('a', {href: this.toUrl('/web/' + encodeURIComponent(site))}, site.substr(0, 8) + '…'), ' '
1709    ] : '',
1710    root ? [
1711      'to ', h('a', {href: this.toUrl(root)}, root.substr(0, 8) + '…')
1712    ] : ''
1713  ), cb)
1714}
1715

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