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Tree: cab781470c10d358f770475c7b25d87e29f614bb

Files: cab781470c10d358f770475c7b25d87e29f614bb / lib / render-msg.js

59522 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 === 'edit' ? [
162        h('a', {href: this.toUrl('/edit-diff/' + encodeURIComponent(this.msg.key)),
163          title: 'view post edit diff'}, 'diff'), ' '] : '',
164      this.c.type === 'gathering' ? [
165        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
166      /^(ssb_)?chess_/.test(this.c.type) ? [
167        h('a', {href: this.toUrl(this.msg.key) + '?full',
168          title: 'view full game board'}, 'full'), ' '] : '',
169      typeof this.c.text === 'string' ? [
170        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
171          title: 'view markdown source'}, 'md'), ' '] : '',
172      h('a', {href: this.toUrl(this.msg.key) + '?raw',
173        title: 'view raw message'}, 'raw'), ' ',
174      this.buttonsCommon(),
175      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
176      this.voteButton('dig')
177  ) : [
178    this.msg.rel ? [this.msg.rel, ' '] : ''
179  ]
180}
181
182RenderMsg.prototype.sync = function (cb) {
183  cb(null, h('tr.msg-row', h('td', {colspan: 3},
184    h('hr')
185  )))
186}
187
188RenderMsg.prototype.recpsLine = function (cb) {
189  if (!this.value.private) return cb(), ''
190  var author = this.value.author
191  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
192    return u.linkDest(link) !== author
193  })
194  return this.render.privateLine(recpsNotSelf, cb)
195}
196
197RenderMsg.prototype.recpsIds = function () {
198  return this.value.private
199    ? u.toArray(this.c.recps).map(u.linkDest)
200    : []
201}
202
203RenderMsg.prototype.buttonsCommon = function () {
204  var chan = this.msg.value.content.channel
205  var recps = this.recpsIds()
206  return [
207    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
208    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
209    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
210  ]
211}
212
213RenderMsg.prototype.voteButton = function (expression) {
214  var chan = this.msg.value.content.channel
215  return [
216    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
217    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
218    h('input', {type: 'submit', name: 'action_vote', value: expression})]
219}
220
221RenderMsg.prototype.attendButton = function () {
222  var chan = this.msg.value.content.channel
223  return [
224    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
225  ]
226}
227
228RenderMsg.prototype.message = function (cb) {
229  if (this.opts.raw) return this.raw(cb)
230  if (this.msg.sync) return this.sync(cb)
231  if (typeof this.c === 'string') return this.encrypted(cb)
232  if (this.isMissing) return this.missing(cb)
233  switch (this.c.type) {
234    case 'post': return this.post(cb)
235    case 'ferment/like':
236    case 'robeson/like':
237    case 'vote': return this.vote(cb)
238    case 'about': return this.about(cb)
239    case 'contact': return this.contact(cb)
240    case 'pub': return this.pub(cb)
241    case 'channel': return this.channel(cb)
242    case 'git-repo': return this.gitRepo(cb)
243    case 'git-update': return this.gitUpdate(cb)
244    case 'pull-request': return this.gitPullRequest(cb)
245    case 'issue': return this.issue(cb)
246    case 'issue-edit': return this.issueEdit(cb)
247    case 'music-release-cc': return this.musicRelease(cb)
248    case 'ssb-dns': return this.dns(cb)
249    case 'gathering': return this.gathering(cb)
250    case 'micro': return this.micro(cb)
251    case 'ferment/audio':
252    case 'robeson/audio':
253      return this.audio(cb)
254    case 'ferment/repost':
255    case 'robeson/repost':
256      return this.repost(cb)
257    case 'ferment/update':
258    case 'robeson/update':
259      return this.update(cb)
260    case 'chess_invite':
261    case 'ssb_chess_invite':
262      return this.chessInvite(cb)
263    case 'chess_invite_accept':
264    case 'ssb_chess_invite_accept':
265      return this.chessInviteAccept(cb)
266    case 'chess_move':
267    case 'ssb_chess_move':
268      return this.chessMove(cb)
269    case 'chess_game_end':
270    case 'ssb_chess_game_end':
271      return this.chessGameEnd(cb)
272    case 'chess_chat':
273      return this.chessChat(cb)
274    case 'wifi-network': return this.wifiNetwork(cb)
275    case 'mutual/credit': return this.mutualCredit(cb)
276    case 'mutual/account': return this.mutualAccount(cb)
277    case 'npm-publish': return this.npmPublish(cb)
278    case 'npm-packages': return this.npmPackages(cb)
279    case 'npm-prebuilds': return this.npmPrebuilds(cb)
280    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
281    case 'bookclub': return this.bookclub(cb)
282    case 'macaco_maluco-sombrio-wall': return this.sombrioWall(cb)
283    case 'macaco_maluco-sombrio-tombstone': return this.sombrioTombstone(cb)
284    case 'macaco_maluco-sombrio-score': return this.sombrioScore(cb)
285    case 'blog': return this.blog(cb)
286    case 'image-map': return this.imageMap(cb)
287    case 'talenet-identity-skill_assignment': return this.identitySkillAssign(cb)
288    case 'talenet-idea-skill_assignment': return this.ideaSkillAssign(cb)
289    case 'talenet-idea-create': return this.ideaCreate(cb)
290    case 'talenet-idea-association': return this.ideaAssocate(cb)
291    case 'talenet-skill-create': return this.skillCreate(cb)
292    case 'talenet-skill-similarity': return this.skillSimilarity(cb)
293    case 'talenet-idea-hat': return this.ideaHat(cb)
294    case 'talenet-idea-update': return this.ideaUpdate(cb)
295    case 'talenet-idea-comment':
296    case 'talenet-idea-comment_reply': return this.ideaComment(cb)
297    case 'about-resource': return this.aboutResource(cb)
298    case 'line-comment': return this.lineComment(cb)
299    case 'web-init': return this.webInit(cb)
300    case 'web-root': return this.webRoot(cb)
301    case 'poll': return this.poll(cb)
302    case 'position': if (this.c.version === 'v1') return this.pollPosition(cb)
303    case 'scat_message': return this.scat(cb)
304    case 'share': return this.share(cb)
305    case 'tag': return this.tag(cb)
306    case 'edit': return this.edit(cb)
307    default: return this.object(cb)
308  }
309}
310
311RenderMsg.prototype.encrypted = function (cb) {
312  this.wrapMini(this.render.lockIcon(), cb)
313}
314
315RenderMsg.prototype.markdown = function (cb) {
316  if (this.opts.markdownSource)
317    return this.markdownSource(this.c.text, this.c.mentions)
318  return this.render.markdown(this.c.text, this.c.mentions)
319}
320
321RenderMsg.prototype.markdownSource = function (text, mentions) {
322  return h('div',
323    h('pre', String(text)),
324    mentions ? [
325      h('div', h('em', 'mentions:')),
326      this.valueTable(mentions, 2, function () {})
327    ] : ''
328  ).innerHTML
329}
330
331RenderMsg.prototype.post = function (cb) {
332  var self = this
333  var done = multicb({pluck: 1, spread: true})
334  if (self.c.root === self.c.branch) done()()
335  else self.link(self.c.root, done())
336  self.links(self.c.branch, done())
337  self.links(self.c.fork, done())
338  done(function (err, rootLink, branchLinks, forkLinks) {
339    if (err) return self.wrap(u.renderError(err), cb)
340    self.wrap(h('div.ssb-post',
341      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
342      branchLinks.map(function (a, i) {
343        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
344      }),
345      forkLinks.map(function (a, i) {
346        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
347      }),
348      h('div.ssb-post-text', {innerHTML: self.markdown()})
349    ), cb)
350  })
351}
352
353RenderMsg.prototype.edit = function (cb) {
354  var self = this
355  var done = multicb({pluck: 1, spread: true})
356  if (self.c.root === self.c.branch) done()()
357  else self.link(self.c.root, done())
358  self.links(self.c.branch, done())
359  self.links(self.c.fork, done())
360  self.link(self.c.original, done())
361  if (self.c.updated === self.c.branch) done()()
362  else self.link(self.c.updated, done())
363  done(function (err, rootLink, branchLinks, forkLinks, originalLink, updatedLink) {
364    if (err) return self.wrap(u.renderError(err), cb)
365    self.wrap(h('div.ssb-post',
366      h('div', 'edit ', originalLink || ''),
367      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
368      updatedLink ? h('div', h('small', h('span.symbol', '  ↳'), ' ', updatedLink)) : '',
369      branchLinks.map(function (a, i) {
370        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
371      }),
372      forkLinks.map(function (a, i) {
373        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
374      }),
375      h('blockquote.ssb-post-text', {innerHTML: self.markdown()})
376    ), cb)
377  })
378}
379
380RenderMsg.prototype.vote = function (cb) {
381  var self = this
382  var v = self.c.vote || self.c.like || {}
383  self.link(v, function (err, a) {
384    if (err) return cb(err)
385    self.wrapMini([
386      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
387      ' ', a,
388      v.reason ? [' as ', h('q', String(v.reason))] : ''
389    ], cb)
390  })
391}
392
393RenderMsg.prototype.getName = function (id, cb) {
394  switch (id && id[0]) {
395    case '%': return this.getMsgName(id, cb)
396    case '@': // fallthrough
397    case '&': return this.getAboutName(id, cb)
398    default: return cb(null, String(id))
399  }
400}
401
402RenderMsg.prototype.getMsgName = function (id, cb) {
403  var self = this
404  self.app.getMsg(id, function (err, msg) {
405    if (err && err.name == 'NotFoundError')
406      cb(null, id.substring(0, 10)+'...(missing)')
407    else if (err) cb(err)
408      // preserve security: only decrypt the linked message if we decrypted
409      // this message
410    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
411    else gotMsg(null, msg)
412  })
413  function gotMsg(err, msg) {
414    if (err) return cb(err)
415    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
416  }
417}
418
419function truncate(str, len) {
420  str = String(str)
421  return str.length > len ? str.substr(0, len) + '...' : str
422}
423
424function title(str) {
425  return truncate(mdInline(str), 72)
426}
427
428RenderMsg.prototype.title = function (cb) {
429  var self = this
430  self.app.filterMsg(self.msg, self.opts, function (err, show) {
431    if (err) return cb(err)
432    if (show) self.title1(cb)
433    else cb(null, '[…]')
434  })
435}
436
437RenderMsg.prototype.title1 = function (cb) {
438  var self = this
439  if (!self.c || typeof self.c !== 'object') {
440    cb(null, self.msg.key)
441  } else if (typeof self.c.text === 'string') {
442    if (self.c.type === 'post')
443      cb(null, title(self.c.text))
444    else
445      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
446  } else {
447    if (self.c.type === 'ssb-dns')
448      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
449    else if (self.c.type === 'npm-publish')
450      self.npmPublishTitle(cb)
451    else if (self.c.type === 'chess_chat')
452      cb(null, title(self.c.msg))
453    else if (self.c.type === 'chess_invite')
454      self.chessInviteTitle(cb)
455    else if (self.c.type === 'bookclub')
456      self.bookclubTitle(cb)
457    else if (self.c.type === 'talenet-skill-create' && self.c.name)
458      cb(null, self.c.name)
459    else if (self.c.type === 'talenet-idea-create')
460      self.app.getIdeaTitle(self.msg.key, cb)
461    else if (self.c.type === 'tag')
462      self.tagTitle(cb)
463    else
464    self.app.getAbout(self.msg.key, function (err, about) {
465      if (err) return cb(err)
466      var name = about.name || about.title
467        || (about.description && mdInline(about.description))
468      if (name) return cb(null, truncate(name, 72))
469      self.message(function (err, el) {
470        if (err) return cb(err)
471        cb(null, '%' + title(h('div', el).textContent))
472      })
473    })
474  }
475}
476
477RenderMsg.prototype.getAboutName = function (id, cb) {
478  this.app.getAbout(id, function (err, about) {
479    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
480  })
481}
482
483RenderMsg.prototype.link = function (link, cb) {
484  var self = this
485  var ref = u.linkDest(link)
486  if (!ref) return cb(null, '')
487  self.getName(ref, function (err, name) {
488    if (err) name = truncate(ref, 10)
489    cb(null, h('a', {href: self.toUrl(ref)}, name))
490  })
491}
492
493RenderMsg.prototype.link1 = function (link, cb) {
494  var self = this
495  var ref = u.linkDest(link)
496  if (!ref) return cb(), ''
497  var a = h('a', {href: self.toUrl(ref)}, ref)
498  self.getName(ref, function (err, name) {
499    if (err) name = ref
500    a.childNodes[0].textContent = name
501    cb()
502  })
503  return a
504}
505
506RenderMsg.prototype.links = function (links, cb) {
507  var self = this
508  var done = multicb({pluck: 1})
509  u.toArray(links).forEach(function (link) {
510    self.link(link, done())
511  })
512  done(cb)
513}
514
515function dateTime(d) {
516  var date = new Date(d.epoch)
517  return date.toString()
518  // d.bias
519  // d.epoch
520}
521
522// TODO: make more DRY
523var knownAboutProps = {
524  type: true,
525  root: true,
526  about: true,
527  attendee: true,
528  about: true,
529  image: true,
530  description: true,
531  name: true,
532  title: true,
533  attendee: true,
534  startDateTime: true,
535  endDateTime: true,
536  location: true,
537  /*
538  rating: true,
539  ratingType: true,
540  */
541  'talenet-version': true,
542}
543
544RenderMsg.prototype.about = function (cb) {
545  var keys = Object.keys(this.c).sort().join()
546  var isSelf = this.c.about === this.msg.value.author
547
548  if (keys === 'about,name,type') {
549    return this.wrapMini([
550      isSelf ?
551        'self-identifies as ' :
552        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
553      h('ins', String(this.c.name))
554    ], cb)
555  }
556
557  if (keys === 'about,publicWebHosting,type') {
558    var public = this.c.publicWebHosting && this.c.publicWebHosting !== 'false'
559    return this.wrapMini([
560      isSelf ?
561        public ? 'is okay with being hosted publicly'
562        : 'wishes to not to be hosted publicly'
563      : public ? ['thinks ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
564          ' should be hosted publicly ']
565        : ['wishes ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
566          ' to not be hosted publicly']
567    ], cb)
568  }
569
570  var done = multicb({pluck: 1, spread: true})
571  var elCb = done()
572
573  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
574    && keys === 'about,attendee,type'
575  if (isAttendingMsg) {
576    var attending = !this.c.attendee.remove
577    this.wrapMini([
578      attending ? ' is attending' : ' is not attending', ' ',
579      this.link1(this.c.about, done())
580      ], elCb)
581    return done(cb)
582  }
583
584  var extras
585  for (var k in this.c) {
586    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
587      if (!extras) extras = {}
588      extras[k] = this.c[k]
589    }
590  }
591
592  var img = u.linkDest(this.c.image)
593  // if there is a description, it is likely to be multi-line
594  var hasDescription = this.c.description != null
595  // if this about message gives the thing a name, show its id
596  var showComputedName = !isSelf && !this.c.name
597
598  this.wrap([
599    this.c.root ? h('div',
600      h('small', '> ', this.link1(this.c.root, done()))
601    ) : '',
602    isSelf ? 'self-describes as ' : [
603      'describes ',
604      !this.c.about ? ''
605        : showComputedName ? this.link1(this.c.about, done())
606        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
607      ' as '
608    ],
609    this.c.name ? [h('ins', String(this.c.name)), ' '] : '',
610    this.c.description ? h('div',
611      {innerHTML: this.render.markdown(this.c.description)}) : '',
612    this.c.title ? h('h3', String(this.c.title)) : '',
613    this.c.attendee ? h('div',
614      this.link1(this.c.attendee.link, done()),
615      this.c.attendee.remove ? ' is not attending' : ' is attending'
616    ) : '',
617    this.c.startDateTime ? h('div',
618      'starting at ', dateTime(this.c.startDateTime)) : '',
619    this.c.endDateTime ? h('div',
620      'ending at ', dateTime(this.c.endDateTime)) : '',
621    this.c.location ? h('div', 'at ', String(this.c.location)) : '',
622    img ? h('a', {href: this.toUrl(img)},
623      h('img.ssb-avatar-image', {
624        src: this.render.imageUrl(img),
625        alt: ' ',
626      })) : '',
627    /*
628    this.c.rating != null ? this.aboutRating() : '',
629    */
630    extras ? this.valueTable(extras, 1, done())
631    : ''
632  ], elCb)
633  done(cb)
634}
635
636/*
637 * disabled until it's clearer how to do this -cel
638RenderMsg.prototype.aboutRating = function (cb) {
639  var rating = Number(this.c.rating)
640  var type = this.c.ratingType || '★'
641  var text = rating + ' ' + type
642  if (isNaN(rating)) return 'rating: ' + text
643  if (rating > 5) rating = 5
644  var el = h('div', {title: text})
645  for (var i = 0; i < rating; i++) {
646    el.appendChild(h('span',
647      {innerHTML: u.unwrapP(this.render.markdown(type) + ' ')}
648    ))
649  }
650  return el
651}
652*/
653
654RenderMsg.prototype.contact = function (cb) {
655  var self = this
656  self.link(self.c.contact, function (err, a) {
657    if (err) return cb(err)
658    if (!a) a = "?"
659      self.wrapMini([
660        self.c.following && self.c.autofollow ? 'follows pub' :
661        self.c.following && self.c.pub ? 'autofollows' :
662        self.c.following ? 'follows' :
663        self.c.blocking ? 'blocks' :
664        self.c.flagged ? 'flagged' :
665        self.c.following === false ? 'unfollows' :
666        self.c.blocking === false ? 'unblocks' : '',
667        self.c.flagged === false ? 'unflagged' :
668        ' ', a,
669        self.c.note ? [
670          ' from ',
671          h('code', String(self.c.note))
672        ] : '',
673        self.c.reason ? [' because ',
674          h('q', String(self.c.reason))
675        ] : ''
676      ], cb)
677  })
678}
679
680RenderMsg.prototype.pub = function (cb) {
681  var self = this
682  var addr = self.c.address || self.c.pub || {}
683  self.link(addr.key || addr.link, function (err, pubLink) {
684    if (err) return cb(err)
685      self.wrapMini([
686        'connects to ', pubLink, ' at ',
687        h('code', addr.host + ':' + addr.port)], cb)
688  })
689}
690
691RenderMsg.prototype.channel = function (cb) {
692  var chan = '#' + this.c.channel
693  this.wrapMini([
694    this.c.subscribed ? 'subscribes to ' :
695    this.c.subscribed === false ? 'unsubscribes from ' : '',
696    h('a', {href: this.toUrl(chan)}, chan)], cb)
697}
698
699RenderMsg.prototype.gitRepo = function (cb) {
700  var self = this
701  var id = self.msg.key
702  var name = self.c.name
703  var upstream = self.c.upstream
704  self.link(upstream, function (err, upstreamA) {
705    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
706    self.wrapMini([
707      upstream ? ['forked ', upstreamA, ': '] : '',
708      'git clone ',
709      h('code', h('small', 'ssb://' + id)),
710      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
711    ], cb)
712  })
713}
714
715RenderMsg.prototype.gitUpdate = function (cb) {
716  var self = this
717  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
718  var size = [].concat(self.c.packs, self.c.indexes)
719    .map(function (o) { return o && o.size })
720    .reduce(function (total, s) { return total + s })
721
722  var done = multicb({pluck: 1, spread: true})
723  self.link(self.c.repo, done())
724  self.render.npmPackageMentions(self.c.mentions, done())
725  self.render.npmPrebuildMentions(self.c.mentions, done())
726  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
727    if (err) return cb(err)
728      self.wrap(h('div.ssb-git-update',
729        'git push ', a, ' ',
730        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
731        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
732          var id = String(self.c.refs[ref])
733          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
734          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
735            + '?msg=' + encodeURIComponent(self.msg.key))
736            + '&search=1'
737          return h('li',
738            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
739            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
740               : h('em', 'deleted'))
741      })) : '',
742      Array.isArray(self.c.commits) ?
743        h('ul', self.c.commits.map(function (commit) {
744          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
745            + '?msg=' + encodeURIComponent(self.msg.key)
746          return h('li', h('a', {href: self.render.toUrl(path)},
747            h('code', String(commit.sha1).substr(0, 8))), ' ',
748            self.linkify(String(commit.title)),
749            self.render.gitCommitBody(commit.body)
750          )
751        })) : '',
752      Array.isArray(self.c.tags) ?
753        h('ul', self.c.tags.map(function (tag) {
754          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
755            + '?msg=' + encodeURIComponent(self.msg.key)
756          return h('li',
757            h('a', {href: self.render.toUrl(path)},
758              h('code', String(tag.sha1).substr(0, 8))), ' ',
759            'tagged ', String(tag.type), ' ',
760            h('code', String(tag.object).substr(0, 8)), ' ',
761            String(tag.tag),
762            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
763            tag.body ? self.render.gitCommitBody(tag.body) : ''
764          )
765        })) : '',
766        self.c.commits_more ? h('div',
767          '+ ' + self.c.commits_more + ' more commits') : '',
768        self.c.tags_more ? h('div',
769          '+ ' + self.c.tags_more + ' more tags') : '',
770        pkgMentionsEl,
771        prebuildMentionsEl
772    ), cb)
773  })
774}
775
776RenderMsg.prototype.gitPullRequest = function (cb) {
777  var self = this
778  var done = multicb({pluck: 1, spread: true})
779  self.link(self.c.repo, done())
780  self.link(self.c.head_repo, done())
781  done(function (err, baseRepoLink, headRepoLink) {
782    if (err) return cb(err)
783    self.wrap(h('div.ssb-pull-request',
784      'pull request ',
785      'to ', baseRepoLink, ':', String(self.c.branch), ' ',
786      'from ', headRepoLink, ':', String(self.c.head_branch),
787      self.c.title ? h('h4', String(self.c.title)) : '',
788      h('div', {innerHTML: self.markdown()})), cb)
789  })
790}
791
792RenderMsg.prototype.issue = function (cb) {
793  var self = this
794  self.link(self.c.project, function (err, projectLink) {
795    if (err) return cb(err)
796    self.wrap(h('div.ssb-issue',
797      'issue on ', projectLink,
798      self.c.title ? h('h4', String(self.c.title)) : '',
799      h('div', {innerHTML: self.markdown()})), cb)
800  })
801}
802
803RenderMsg.prototype.issueEdit = function (cb) {
804  this.wrap('', cb)
805}
806
807RenderMsg.prototype.object = function (cb) {
808  var done = multicb({pluck: 1, spread: true})
809  var elCb = done()
810  this.wrap([
811    this.valueTable(this.c, 1, done()),
812  ], elCb)
813  done(cb)
814}
815
816RenderMsg.prototype.valueTable = function (val, depth, cb) {
817  var isContent = depth === 1
818  var self = this
819  switch (typeof val) {
820    case 'object':
821      if (val === null) return cb(), ''
822      var done = multicb({pluck: 1, spread: true})
823      var el = Array.isArray(val)
824        ? h('ul', val.map(function (item) {
825          return h('li', self.valueTable(item, depth + 1, done()))
826        }))
827        : h('table.ssb-object', Object.keys(val).map(function (key) {
828          if (key === 'text') {
829            return h('tr',
830              h('td', h('strong', 'text')),
831              h('td', h('div', {
832                innerHTML: self.render.markdown(val.text, val.mentions)
833              }))
834            )
835          } else if (isContent && key === 'type') {
836            // TODO: also link to images by type, using links2
837            var type = String(val.type)
838            return h('tr',
839              h('td', h('strong', 'type')),
840              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
841            )
842          }
843          return h('tr',
844            h('td', h('strong', key)),
845            h('td', self.valueTable(val[key], depth + 1, done()))
846          )
847        }))
848      done(cb)
849      return el
850    case 'string':
851      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
852      if (u.isRef(val)) return self.link1(val, cb)
853      if (/^ssb-blob:\/\//.test(val)) return cb(), h('a', {href: self.toUrl(val)}, val)
854      return cb(), self.linkify(val)
855    case 'boolean':
856      return cb(), h('input', {
857        type: 'checkbox', disabled: 'disabled', checked: val
858      })
859    default:
860      return cb(), String(val)
861  }
862}
863
864RenderMsg.prototype.missing = function (cb) {
865  this.wrapMini([
866    h('code', 'MISSING'), ' ',
867    h('a', {href: '?ooo=1'}, 'fetch')
868  ], cb)
869}
870
871RenderMsg.prototype.issues = function (cb) {
872  var self = this
873  var done = multicb({pluck: 1, spread: true})
874  var issues = u.toArray(self.c.issues)
875  if (self.c.type === 'issue-edit' && self.c.issue) {
876    issues.push({
877      link: self.c.issue,
878      title: self.c.title,
879      open: self.c.open,
880    })
881  }
882  var els = issues.map(function (issue) {
883    var commit = issue.object || issue.label ? [
884      issue.object ? h('code', String(issue.object)) : '', ' ',
885      issue.label ? h('q', String(issue.label)) : ''] : ''
886    if (issue.merged === true)
887      return h('div',
888        'merged ', self.link1(issue, done()))
889    if (issue.open === false)
890      return h('div',
891        'closed ', self.link1(issue, done()))
892    if (issue.open === true)
893      return h('div',
894        'reopened ', self.link1(issue, done()))
895    if (typeof issue.title === 'string')
896      return h('div',
897        'renamed ', self.link1(issue, done()), ' to ', h('ins', String(issue.title)))
898  })
899  done(cb)
900  return els.length > 0 ? [els, h('br')] : ''
901}
902
903RenderMsg.prototype.repost = function (cb) {
904  var self = this
905  var id = u.linkDest(self.c.repost)
906  self.app.getMsg(id, function (err, msg) {
907    if (err && err.name == 'NotFoundError')
908      gotMsg(null, id.substring(0, 10)+'...(missing)')
909    else if (err) gotMsg(err)
910    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
911    else gotMsg(null, msg)
912  })
913  function gotMsg(err, msg) {
914    if (err) return cb(err)
915    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
916      renderMsg.message(function (err, msgEl) {
917        self.wrapMini(['reposted ',
918          h('code.ssb-id',
919            h('a', {href: self.render.toUrl(id)}, id)),
920          h('div', err ? u.renderError(err) : msgEl || '')
921        ], cb)
922    })
923  }
924}
925
926RenderMsg.prototype.update = function (cb) {
927  var id = String(this.c.update)
928  this.wrapMini([
929    h('div', 'updated ', h('code.ssb-id',
930      h('a', {href: this.render.toUrl(id)}, id))),
931    this.c.title ? h('h4.msg-title', String(this.c.title)) : '',
932    this.c.description ? h('div',
933      {innerHTML: this.render.markdown(this.c.description)}) : ''
934  ], cb)
935}
936
937function formatDuration(s) {
938  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
939}
940
941RenderMsg.prototype.audio = function (cb) {
942  // fileName, fallbackFileName, overview
943  this.wrap(h('table', h('tr',
944    h('td',
945      this.c.artworkSrc
946      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
947          src: this.render.imageUrl(this.c.artworkSrc),
948          alt: ' ',
949          width: 72,
950          height: 72,
951        }))
952      : ''),
953    h('td',
954      h('a', {href: this.render.toUrl(this.c.audioSrc)},
955        String(this.c.title)),
956      isFinite(this.c.duration)
957        ? ' (' + formatDuration(this.c.duration) + ')'
958        : '',
959      this.c.description
960        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
961        : ''
962  ))), cb)
963}
964
965RenderMsg.prototype.musicRelease = function (cb) {
966  var self = this
967  this.wrap([
968    h('table', h('tr',
969      h('td',
970        this.c.cover
971          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
972              src: this.render.imageUrl(this.c.cover),
973              alt: ' ',
974              width: 72,
975              height: 72,
976            }))
977          : ''),
978      h('td',
979        h('h4.msg-title', String(this.c.title)),
980        this.c.text
981          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
982          : ''
983      )
984    )),
985    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
986      return h('li',
987        h('a', {href: self.render.toUrl(track.link)},
988          String(track.fname)))
989    }))
990  ], cb)
991}
992
993RenderMsg.prototype.dns = function (cb) {
994  var self = this
995  var record = self.c.record || {}
996  var done = multicb({pluck: 1, spread: true})
997  var elCb = done()
998  self.wrap([
999    h('div',
1000      h('p',
1001        h('ins', {title: 'name'}, String(record.name)), ' ',
1002        h('span', {title: 'ttl'}, String(record.ttl)), ' ',
1003        h('span', {title: 'class'}, String(record.class)), ' ',
1004        h('span', {title: 'type'}, String(record.type))
1005      ),
1006      h('pre', {title: 'data'},
1007        JSON.stringify(record.data || record.value, null, 2)),
1008      !self.c.branch ? null : h('div',
1009        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
1010          return [self.link1(id, done()), i === 0 ? ', ' : '']
1011        })
1012      )
1013    )
1014  ], elCb)
1015  done(cb)
1016}
1017
1018RenderMsg.prototype.wifiNetwork = function (cb) {
1019  var net = this.c.network || {}
1020  this.wrap([
1021    h('div', 'wifi network'),
1022    h('table',
1023      Object.keys(net).map(function (key) {
1024        return h('tr',
1025          h('td', key),
1026          h('td', h('pre', JSON.stringify(net[key]))))
1027      })
1028    ),
1029  ], cb)
1030}
1031
1032RenderMsg.prototype.mutualCredit = function (cb) {
1033  var self = this
1034  var currency = String(self.c.currency)
1035  self.link(self.c.account, function (err, a) {
1036    if (err) return cb(err)
1037    self.wrapMini([
1038      'credits ', a || '?', ' ',
1039      h('code', String(self.c.amount)), ' ',
1040      currency[0] === '#'
1041        ? h('a', {href: self.toUrl(currency)}, currency)
1042        : h('ins', currency),
1043      self.c.memo ? [' for ',
1044        h('q', {innerHTML: u.unwrapP(self.render.markdown(self.c.memo))})
1045      ] : ''
1046    ], cb)
1047  })
1048}
1049
1050RenderMsg.prototype.mutualAccount = function (cb) {
1051  return this.object(cb)
1052}
1053
1054RenderMsg.prototype.gathering = function (cb) {
1055  this.wrapMini('gathering', cb)
1056}
1057
1058RenderMsg.prototype.micro = function (cb) {
1059  var el = h('span', {innerHTML: u.unwrapP(this.markdown())})
1060  this.wrapMini(el, cb)
1061}
1062
1063function hJoin(els, seperator, lastSeparator) {
1064  return els.map(function (el, i) {
1065    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
1066  })
1067}
1068
1069function asNpmReadme(readme) {
1070  if (!readme || readme === 'ERROR: No README data found!') return
1071  return u.ifString(readme)
1072}
1073
1074function singleValue(obj) {
1075  if (!obj || typeof obj !== 'object') return obj
1076  var keys = Object.keys(obj)
1077  if (keys.length === 1) return obj[keys[0]]
1078}
1079
1080function ifDifferent(obj, value) {
1081  if (singleValue(obj) !== value) return obj
1082}
1083
1084RenderMsg.prototype.npmPublish = function (cb) {
1085  var self = this
1086  var render = self.render
1087  var pkg = self.c.meta || {}
1088  var pkgReadme = asNpmReadme(pkg.readme)
1089  var pkgDescription = u.ifString(pkg.description)
1090
1091  var versions = Object.keys(pkg.versions || {})
1092  var singleVersion = versions.length === 1 ? versions[0] : null
1093  var singleRelease = singleVersion && pkg.versions[singleVersion]
1094  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1095
1096  var distTags = pkg['dist-tags'] || {}
1097  var distTagged = {}
1098  for (var distTag in distTags)
1099    if (distTag !== 'latest')
1100      distTagged[distTags[distTag]] = distTag
1101
1102  self.links(self.c.previousPublish, function (err, prevLinks) {
1103    if (err) return cb(err)
1104    self.wrap([
1105      h('div',
1106        'published ',
1107        h('u', String(pkg.name)), ' ',
1108        hJoin(versions.map(function (version) {
1109          var distTag = distTagged[version]
1110          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1111        }), ', ')
1112      ),
1113      pkgDescription ? h('div',
1114        // TODO: make mdInline use custom emojis
1115        h('q', {innerHTML: u.unwrapP(render.markdown(pkgDescription))})) : '',
1116      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1117      pkgReadme && pkgReadme !== singleReadme ?
1118        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1119      versions.map(function (version, i) {
1120        var release = pkg.versions[version] || {}
1121        var license = u.ifString(release.license)
1122        var author = ifDifferent(release.author, self.msg.value.author)
1123        var description = u.ifString(release.description)
1124        var readme = asNpmReadme(release.readme)
1125        var keywords = u.toArray(release.keywords).map(u.ifString)
1126        var dist = release.dist || {}
1127        var size = u.ifNumber(dist.size)
1128        return [
1129          h > 0 ? h('br') : '',
1130          version !== singleVersion ? h('div', 'version: ', version) : '',
1131          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1132          license ? h('div', 'license: ', h('code', license)) : '',
1133          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1134          size ? h('div', 'size: ', render.formatSize(size)) : '',
1135          description && description !== pkgDescription ?
1136            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1137          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1138        ]
1139      })
1140    ], cb)
1141  })
1142}
1143
1144RenderMsg.prototype.npmPackages = function (cb) {
1145  var self = this
1146  var done = multicb({pluck: 1, spread: true})
1147  var elCb = done()
1148  function renderIdLink(id) {
1149    return [h('a', {href: self.toUrl(id)}, truncate(id, 8)), ' ']
1150  }
1151  var singlePkg = self.c.mentions
1152    && self.c.mentions.length === 1
1153    && self.c.mentions[0]
1154  var m = singlePkg && /^npm:(.*?):(.*?):/.exec(singlePkg.name)
1155  var singlePkgSpec = m && (m[1] + (m[2] ? '@' + m[2] : ''))
1156  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1157    if (err) return cb(err)
1158    var dependencyLinks = u.toArray(self.c.dependencyBranch)
1159    var versionLinks = u.toArray(self.c.versionBranch)
1160    self.wrap(h('div', [
1161      el,
1162      singlePkg ? h('p',
1163        h('code',
1164          'npm install --registry=' +
1165            'http://' + self.app.host + ':' + self.app.port +
1166            '/npm-registry/' + encodeURIComponent(self.msg.key) + ' ' +
1167            singlePkgSpec),
1168      ) : '',
1169      dependencyLinks.length ? h('div',
1170        'dependencies via: ', dependencyLinks.map(renderIdLink)
1171      ) : '',
1172      versionLinks.length ? h('div',
1173        'previous versions: ', versionLinks.map(renderIdLink)
1174      ) : ''
1175    ]), elCb)
1176    return done(cb)
1177  })
1178}
1179
1180RenderMsg.prototype.npmPrebuilds = function (cb) {
1181  var self = this
1182  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1183    if (err) return cb(err)
1184    self.wrap(el, cb)
1185  })
1186}
1187
1188RenderMsg.prototype.npmPublishTitle = function (cb) {
1189  var pkg = this.c.meta || {}
1190  var name = pkg.name || pkg._id || '?'
1191
1192  var taggedVersions = {}
1193  for (var version in pkg.versions || {})
1194    taggedVersions[version] = []
1195
1196  var distTags = pkg['dist-tags'] || {}
1197  for (var distTag in distTags) {
1198    if (distTag === 'latest') continue
1199    var version = distTags[distTag] || '?'
1200    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1201    tags.push(distTag)
1202  }
1203
1204  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1205    var tags = taggedVersions[version]
1206    return (tags.length ? tags.join(',') + ':' : '') + version
1207  }).join(','))
1208}
1209
1210function expandDigitToSpaces(n) {
1211  return '         '.substr(-n)
1212}
1213
1214function parseFenRank (line) {
1215  return line.replace(/\d/g, expandDigitToSpaces).split('')
1216}
1217
1218function parseChess(fen) {
1219  var fields = String(fen).split(/\s+/)
1220  var ranks = fields[0].split('/')
1221  var f2 = fields[2] || ''
1222  return {
1223    board: ranks.map(parseFenRank),
1224    /*
1225    nextMove: fields[1] === 'b' ? 'black'
1226            : fields[1] === 'w' ? 'white' : 'unknown',
1227    castling: f2 === '-' ? {} : {
1228      w: {
1229        k: 0 < f2.indexOf('K'),
1230        q: 0 < f2.indexOf('Q'),
1231      },
1232      b: {
1233        k: 0 < f2.indexOf('k'),
1234        q: 0 < f2.indexOf('q'),
1235      }
1236    },
1237    enpassantTarget: fields[3] === '-' ? null : fields[3],
1238    halfmoves: Number(fields[4]),
1239    fullmoves: Number(fields[5]),
1240    */
1241  }
1242}
1243
1244var chessSymbols = {
1245  ' ': [' ', ''],
1246  P: ['♙', 'white', 'pawn'],
1247  N: ['♘', 'white', 'knight'],
1248  B: ['♗', 'white', 'bishop'],
1249  R: ['♖', 'white', 'rook'],
1250  Q: ['♕', 'white', 'queen'],
1251  K: ['♔', 'white', 'king'],
1252  p: ['♟', 'black', 'pawn'],
1253  n: ['♞', 'black', 'knight'],
1254  b: ['♝', 'black', 'bishop'],
1255  r: ['♜', 'black', 'rook'],
1256  q: ['♛', 'black', 'queen'],
1257  k: ['♚', 'black', 'king'],
1258}
1259
1260function chessPieceName(c) {
1261  return chessSymbols[c] && chessSymbols[c][2] || '?'
1262}
1263
1264function renderChessSymbol(c, loc) {
1265  var info = chessSymbols[c] || ['?', '', 'unknown']
1266  return h('span.symbol', {
1267    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1268  }, info[0])
1269}
1270
1271function chessLocToIdxs(loc) {
1272  var m = /^([a-h])([1-8])$/.exec(loc)
1273  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1274}
1275
1276function lookupPiece(board, loc) {
1277  var idxs = chessLocToIdxs(loc)
1278  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1279}
1280
1281function chessIdxsToLoc(i, j) {
1282  return 'abcdefgh'[j] + (8-i)
1283}
1284
1285RenderMsg.prototype.chessBoard = function (board) {
1286  if (!board) return ''
1287  return h('table.chess-board',
1288    board.map(function (rank, i) {
1289      return h('tr', rank.map(function (piece, j) {
1290        var dark = (i ^ j) & 1
1291        return h('td', {
1292          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1293        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1294      }))
1295    })
1296  )
1297}
1298
1299RenderMsg.prototype.chessMove = function (cb) {
1300  var self = this
1301  var c = self.c
1302  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1303  var game = parseChess(fen)
1304  var piece = game && lookupPiece(game.board, c.dest)
1305  self.link(self.c.root, function (err, rootLink) {
1306    if (err) return cb(err)
1307    self.wrap([
1308      h('div', h('small', '> ', rootLink)),
1309      h('p',
1310        // 'player ', (c.ply || ''), ' ',
1311        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1312        'from ' + c.orig, ' ',
1313        'to ' + c.dest
1314      ),
1315      self.chessBoard(game.board)
1316    ], cb)
1317  })
1318}
1319
1320RenderMsg.prototype.chessInvite = function (cb) {
1321  var self = this
1322  var myColor = self.c.myColor
1323  self.link(self.c.inviting, function (err, link) {
1324    if (err) return cb(err)
1325    self.wrap([
1326      'invites ', link, ' to play chess',
1327      // myColor ? h('p', 'my color is ' + myColor) : ''
1328    ], cb)
1329  })
1330}
1331
1332RenderMsg.prototype.chessInviteTitle = function (cb) {
1333  var self = this
1334  var done = multicb({pluck: 1, spread: true})
1335  self.getName(self.c.inviting, done())
1336  self.getName(self.msg.value.author, done())
1337  done(function (err, inviteeLink, inviterLink) {
1338    if (err) return cb(err)
1339    self.wrap([
1340      'chess: ', inviterLink, ' vs. ', inviteeLink
1341    ], cb)
1342  })
1343}
1344
1345RenderMsg.prototype.chessInviteAccept = function (cb) {
1346  var self = this
1347  self.link(self.c.root, function (err, rootLink) {
1348    if (err) return cb(err)
1349    self.wrap([
1350      h('div', h('small', '> ', rootLink)),
1351      h('p', 'accepts invitation to play chess')
1352    ], cb)
1353  })
1354}
1355
1356RenderMsg.prototype.chessGameEnd = function (cb) {
1357  var self = this
1358  var c = self.c
1359  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1360    if (err) return cb(err)
1361    self.wrap([
1362      h('div', h('small', '> ', rootLink)),
1363      h('p', h('strong', 'resigned'))
1364    ], cb)
1365  })
1366
1367  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1368  var game = parseChess(fen)
1369  var piece = game && lookupPiece(game.board, c.dest)
1370  var done = multicb({pluck: 1, spread: true})
1371  self.link(self.c.root, done())
1372  self.link(self.c.winner, done())
1373  done(function (err, rootLink, winnerLink) {
1374    if (err) return cb(err)
1375    self.wrap([
1376      h('div', h('small', '> ', rootLink)),
1377      h('p',
1378        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1379        'from ' + c.orig, ' ',
1380        'to ' + c.dest
1381      ),
1382      h('p',
1383        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1384      self.chessBoard(game.board)
1385    ], cb)
1386  })
1387}
1388
1389RenderMsg.prototype.chessChat = function (cb) {
1390  var self = this
1391  self.link(self.c.root, function (err, rootLink) {
1392    if (err) return cb(err)
1393    self.wrap([
1394      h('div', h('small', '> ', rootLink)),
1395      h('p', String(self.c.msg))
1396    ], cb)
1397  })
1398}
1399
1400RenderMsg.prototype.chessMove = function (cb) {
1401  if (this.opts.full) return this.chessMoveFull(cb)
1402  return this.chessMoveMini(cb)
1403}
1404
1405RenderMsg.prototype.chessMoveFull = function (cb) {
1406  var self = this
1407  var c = self.c
1408  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1409  var game = parseChess(fen)
1410  var piece = game && lookupPiece(game.board, c.dest)
1411  self.link(self.c.root, function (err, rootLink) {
1412    if (err) return cb(err)
1413    self.wrap([
1414      h('div', h('small', '> ', rootLink)),
1415      h('p',
1416        // 'player ', (c.ply || ''), ' ',
1417        'moved ' + (piece ? renderChessSymbol(piece) + ' ' : ''),
1418        'from ' + c.orig, ' ',
1419        'to ' + c.dest
1420      ),
1421      self.chessBoard(game.board)
1422    ], cb)
1423  })
1424}
1425
1426RenderMsg.prototype.chessMoveMini = function (cb) {
1427  var self = this
1428  var c = self.c
1429  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1430  var game = parseChess(fen)
1431  var piece = game && lookupPiece(game.board, c.dest)
1432  self.link(self.c.root, function (err, rootLink) {
1433    if (err) return cb(err)
1434    self.wrapMini([
1435      'moved ', chessPieceName(piece), ' ',
1436      'to ' + c.dest
1437    ], cb)
1438  })
1439}
1440
1441RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1442  var self = this
1443  self.wrapMini(h('span',
1444    'serves ',
1445    hJoin(u.toArray(self.c.challenges).filter(Boolean).map(function (challenge) {
1446      return h('a', {
1447        href: 'http://' + challenge.domain +
1448          '/.well-known/acme-challenge/' + challenge.token,
1449        title: challenge.keyAuthorization,
1450      }, String(challenge.domain))
1451    }), ', ', ', and ')
1452  ), cb)
1453}
1454
1455RenderMsg.prototype.bookclub = function (cb) {
1456  var self = this
1457  var props = self.c.common || self.c
1458  var images = u.toLinkArray(props.image || props.images)
1459  self.wrap(h('table', h('tr',
1460    h('td',
1461      images.map(function (image) {
1462        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1463          src: self.render.imageUrl(image.link),
1464          alt: image.name || ' ',
1465          width: 180,
1466        }))
1467      })),
1468    h('td',
1469      h('h4', String(props.title)),
1470      props.authors ?
1471        h('p', h('em', String(props.authors)))
1472        : '',
1473      props.description
1474        ? h('div', {innerHTML: self.render.markdown(props.description)})
1475        : ''
1476    )
1477  )), cb)
1478}
1479
1480RenderMsg.prototype.bookclubTitle = function (cb) {
1481  var props = this.c.common || this.c
1482  cb(null, props.title || 'book')
1483}
1484
1485RenderMsg.prototype.sombrioPosition = function () {
1486  return h('span', '[' + this.c.position + ']')
1487}
1488
1489RenderMsg.prototype.sombrioWall = function (cb) {
1490  var self = this
1491  self.wrapMini(h('span',
1492    self.sombrioPosition(),
1493    ' wall'
1494  ), cb)
1495}
1496
1497RenderMsg.prototype.sombrioTombstone = function (cb) {
1498  var self = this
1499  self.wrapMini(h('span',
1500    self.sombrioPosition(),
1501    ' tombstone'
1502  ), cb)
1503}
1504
1505RenderMsg.prototype.sombrioScore = function (cb) {
1506  var self = this
1507  self.wrapMini(h('span',
1508    'scored ',
1509    h('ins', String(self.c.score))
1510  ), cb)
1511}
1512
1513RenderMsg.prototype.blog = function (cb) {
1514  var self = this
1515  var blogId = u.linkDest(self.c.blog)
1516  var imgId = u.linkDest(self.c.thumbnail)
1517  var imgLink = imgId ? u.toLinkArray(self.c.mentions).filter(function (link) {
1518    return link.link === imgId
1519  })[0] || u.toLink(self.c.thumbnail) : null
1520  self.wrapMini(h('table', h('tr',
1521    h('td',
1522      imgId ? h('img', {
1523        src: self.render.imageUrl(imgId),
1524        alt: (imgLink.name || '')
1525          + (imgLink.size != null ? ' (' + self.render.formatSize(imgLink.size) + ')' : ''),
1526        width: 180,
1527      }) : 'blog'),
1528    h('td',
1529      blogId ? h('h3', h('a', {href: self.render.toUrl('/markdown/' + blogId)},
1530        String(self.c.title || self.msg.key))) : '',
1531      String(self.c.summary || ''))
1532  )), cb)
1533}
1534
1535RenderMsg.prototype.imageMap = function (cb) {
1536  var self = this
1537  var imgLink = u.toLink(self.c.image)
1538  var imgRef = imgLink && imgLink.link
1539  var mapName = 'map' + u.token()
1540  self.wrap(h('div', [
1541    h('map', {name: mapName},
1542      u.toArray(self.c.areas).map(function (areaLink) {
1543        var href = areaLink && self.toUrl(areaLink.link)
1544        return href ? h('area', {
1545          shape: String(areaLink.shape),
1546          coords: String(areaLink.coords),
1547          href: href,
1548        }) : ''
1549      })
1550    ),
1551    imgRef && imgRef[0] === '&' ? h('img', {
1552      src: self.render.imageUrl(imgRef),
1553      width: Number(imgLink.width) || undefined,
1554      height: Number(imgLink.height) || undefined,
1555      alt: String(imgLink.name || ''),
1556      usemap: '#' + mapName,
1557    }) : ''
1558  ]), cb)
1559}
1560
1561RenderMsg.prototype.skillCreate = function (cb) {
1562  var self = this
1563  self.wrapMini(h('span',
1564    ' created skill ',
1565    h('ins', String(self.c.name))
1566  ), cb)
1567}
1568
1569RenderMsg.prototype.ideaCreate = function (cb) {
1570  var self = this
1571  self.wrapMini(h('span',
1572    ' has an idea'
1573  ), cb)
1574}
1575
1576RenderMsg.prototype.skillSimilarity = function (cb) {
1577  var self = this
1578  var done = multicb({pluck: 1, spread: true})
1579  self.link(self.c.skillKey1, done())
1580  self.link(self.c.skillKey2, done())
1581  var similarity = !!self.c.similarity
1582  done(function (err, skill1, skill2) {
1583    self.wrapMini(h('span',
1584      'considers ', skill1, ' to be ',
1585      similarity ? 'similar to ' : 'not similar to ',
1586      skill2
1587    ), cb)
1588  })
1589}
1590
1591RenderMsg.prototype.identitySkillAssign = function (cb) {
1592  var self = this
1593  self.link(self.c.skillKey, function (err, a) {
1594    self.wrapMini(h('span',
1595      self.c.action === 'assign' ? 'assigns '
1596        : self.c.action === 'unassign' ? 'unassigns '
1597        : h('code', String(self.c.action)), ' ',
1598      'skill ', a
1599    ), cb)
1600  })
1601}
1602
1603RenderMsg.prototype.ideaSkillAssign = function (cb) {
1604  var self = this
1605  var done = multicb({pluck: 1, spread: true})
1606  self.link(self.c.skillKey, done())
1607  self.link(self.c.ideaKey, done())
1608  done(function (err, skillA, ideaA) {
1609    self.wrapMini(h('span',
1610      self.c.action === 'assign' ? 'assigns '
1611        : self.c.action === 'unassign' ? 'unassigns '
1612        : h('code', String(self.c.action)), ' ',
1613      'skill ', skillA,
1614      ' to idea ',
1615      ideaA
1616    ), cb)
1617  })
1618}
1619
1620RenderMsg.prototype.ideaAssocate = function (cb) {
1621  var self = this
1622  self.link(self.c.ideaKey, function (err, a) {
1623    self.wrapMini(h('span',
1624      self.c.action === 'associate' ? 'associates with '
1625        : self.c.action === 'disassociate' ? 'disassociates with '
1626        : h('code', String(self.c.action)), ' ',
1627      'idea ', a
1628    ), cb)
1629  })
1630}
1631
1632RenderMsg.prototype.ideaHat = function (cb) {
1633  var self = this
1634  self.link(self.c.ideaKey, function (err, a) {
1635    self.wrapMini(h('span',
1636      self.c.action === 'take' ? 'takes '
1637        : self.c.action === 'discard' ? 'discards '
1638        : h('code', String(self.c.action)), ' ',
1639      'idea ', a
1640    ), cb)
1641  })
1642}
1643
1644RenderMsg.prototype.ideaUpdate = function (cb) {
1645  var self = this
1646  var done = multicb({pluck: 1, spread: true})
1647  var props = {}
1648  for (var k in self.c) {
1649    if (k !== 'ideaKey' && k !== 'type' && k !== 'talenet-version') {
1650      props[k] = self.c[k]
1651    }
1652  }
1653  var keys = Object.keys(props).sort().join()
1654
1655  if (keys === 'title') {
1656    return self.wrapMini(h('span',
1657      'titles idea ',
1658      h('a', {href: self.toUrl(self.c.ideaKey)}, String(props.title))
1659    ), cb)
1660  }
1661
1662  if (keys === 'description') {
1663    return self.link(self.c.ideaKey, function (err, a) {
1664      self.wrap(h('div',
1665        'describes idea ', a, ':',
1666        h('blockquote', {innerHTML: self.render.markdown(props.description)})
1667      ), cb)
1668    })
1669  }
1670
1671  if (keys === 'description,title') {
1672    return self.wrap(h('div',
1673      'describes idea ',
1674      h('a', {href: self.toUrl(self.c.ideaKey)}, String(props.title)),
1675      ':',
1676      h('blockquote', {innerHTML: self.render.markdown(props.description)})
1677    ), cb)
1678  }
1679
1680  self.link(self.c.ideaKey, done())
1681  var table = self.valueTable(props, 1, done())
1682  done(function (err, ideaA) {
1683    self.wrap(h('div', [
1684      'updates idea ', ideaA,
1685      table
1686    ]), cb)
1687  })
1688}
1689
1690RenderMsg.prototype.ideaComment = function (cb) {
1691  var self = this
1692  var done = multicb({pluck: 1, spread: true})
1693  self.link(self.c.ideaKey, done())
1694  self.link(self.c.commentKey, done())
1695  done(function (err, ideaLink, commentLink) {
1696    if (err) return self.wrap(u.renderError(err), cb)
1697    self.wrap(h('div', [
1698      ideaLink ? h('div', h('small', h('span.symbol', '→'), ' idea ', ideaLink)) : '',
1699      commentLink ? h('div', h('small', h('span.symbol', '↳'), ' comment ', commentLink)) : '',
1700      self.c.text ?
1701        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''
1702    ]), cb)
1703  })
1704}
1705
1706RenderMsg.prototype.aboutResource = function (cb) {
1707  var self = this
1708  return self.wrap(h('div',
1709    'describes resource ',
1710    h('a', {href: self.toUrl(self.c.about)}, String(self.c.name)),
1711    ':',
1712    h('blockquote', {innerHTML: self.render.markdown(self.c.description)})
1713  ), cb)
1714}
1715
1716RenderMsg.prototype.lineComment = function (cb) {
1717  var self = this
1718  var done = multicb({pluck: 1, spread: true})
1719  self.link(self.c.repo, done())
1720  self.getMsg(self.c.updateId, done())
1721  done(function (err, repoLink, updateMsg) {
1722    if (err) return cb(err)
1723    return self.wrap(h('div',
1724      h('div', h('small', '> ',
1725        repoLink, ' ',
1726        h('a', {
1727          href: self.toUrl(self.c.updateId)
1728        },
1729          updateMsg
1730            ? htime(new Date(updateMsg.value.timestamp))
1731            : String(self.c.updateId)
1732        ), ' ',
1733        h('a', {
1734          href: self.toUrl('/git/commit/' + self.c.commitId + '?msg=' + encodeURIComponent(self.c.updateId))
1735        }, String(self.c.commitId).substr(0, 8)), ' ',
1736        h('a', {
1737          href: self.toUrl('/git/line-comment/' +
1738            encodeURIComponent(self.msg.key || JSON.stringify(self.msg)))
1739        }, h('code', self.c.filePath + ':' + self.c.line))
1740      )),
1741      self.c.text ?
1742        h('div', {innerHTML: self.markdown()}) : ''), cb)
1743  })
1744}
1745
1746RenderMsg.prototype.webInit = function (cb) {
1747  var self = this
1748  var url = '/web/' + encodeURIComponent(this.msg.key)
1749  self.wrapMini(h('a',
1750    {href: this.toUrl(url)},
1751    'website'
1752  ), cb)
1753}
1754
1755RenderMsg.prototype.webRoot = function (cb) {
1756  var self = this
1757  var site = u.isRef(this.c.site) && this.c.site
1758  var root = u.isRef(this.c.root) && this.c.root
1759  self.wrapMini(h('span',
1760    'updated website ',
1761    site ? [
1762      h('a', {href: this.toUrl('/web/' + encodeURIComponent(site))}, site.substr(0, 8) + '…'), ' '
1763    ] : '',
1764    root ? [
1765      'to ', h('a', {href: this.toUrl(root)}, root.substr(0, 8) + '…')
1766    ] : ''
1767  ), cb)
1768}
1769
1770RenderMsg.prototype.poll = function (cb) {
1771  var self = this
1772  var closeDate = new Date(self.c.closesAt)
1773  var details = self.c.pollDetails || self.c.details || {}
1774  var choices = u.toArray(details.choices)
1775  return self.wrap(h('div',
1776    h('h3', {innerHTML: u.unwrapP(self.render.markdown(self.c.title))}),
1777    h('div', {innerHTML: u.unwrapP(self.render.markdown(self.c.body, self.c.mentions))}),
1778    h('p', 'closes at: ', h('span', {
1779      title: closeDate.toLocaleString()
1780    }, closeDate.toString())),
1781    details.type === 'chooseOne' ?  h('form', {method: 'post', action: ''},
1782      h('p', 'Choose one'),
1783      h('input', {type: 'hidden', name: 'action', value: 'poll-position'}),
1784      h('input', {type: 'hidden', name: 'poll_root', value: self.msg.key}),
1785      h('input', {type: 'hidden', name: 'poll_type', value: 'chooseOne'}),
1786      choices.map(function (choice, i) {
1787        return h('div',
1788          h('input', {type: 'radio', name: 'poll_choice', value: i}), ' ', String(choice))
1789      }),
1790      h('p', 'reason: ',
1791        h('div', h('textarea', {name: 'poll_reason'}))
1792      ),
1793      h('p', h('input', {type: 'submit', value: 'preview publish position'}))
1794    ) : h('div', 'unknown poll type')
1795  ), cb)
1796}
1797
1798RenderMsg.prototype.pollPosition = function (cb) {
1799  var self = this
1800  var details = self.c.pollDetails || self.c.details || self.c
1801  var reason = self.c.reason || ''
1802  var done = multicb({pluck: 1, spread: true})
1803  self.link(self.c.root, done())
1804  self.links(self.c.branch, done())
1805  var msgCb = done()
1806  self.app.getMsg(self.c.root, function (err, msg) {
1807    // ignore error getting root message... it's not that important
1808    msgCb(null, msg)
1809  })
1810  done(function (err, rootLink, branchLinks, rootMsg) {
1811    if (err) return cb(err)
1812    var rootContent = rootMsg && rootMsg.value.content || {}
1813    var rootDetails = rootContent.pollDetails || rootContent.details || rootContent
1814    var choices = u.toArray(rootDetails.choices)
1815    var choice = details.choice != null && choices && choices[details.choice]
1816    return self.wrap(h('div',
1817      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
1818      branchLinks.map(function (a, i) {
1819        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
1820      }),
1821      h('p',
1822        'picked ',
1823        choice ? h('q', choice) : ['choice ', String(details.choice || '?')]
1824      ),
1825      reason ? h('div', {innerHTML: self.render.markdown(reason, self.c.mentions)}) : ''
1826    ), cb)
1827  })
1828}
1829
1830RenderMsg.prototype.scat = function (cb) {
1831  this.wrapMini([
1832    this.c.action ? '' : 'chats ',
1833    h('q', String(this.c.text))
1834  ], cb)
1835}
1836
1837RenderMsg.prototype.share = function (cb) {
1838  var self = this
1839  var share = self.c.share || {}
1840  self.link(share.link, function (err, link) {
1841    self.wrapMini([
1842      'shares ',
1843      share.content === 'blog' ? 'blog '
1844        : share.content ? [h('code', String(share.content)), ' ']
1845        : '',
1846      link || String(share.link),
1847      share.url ? [
1848        ' at ',
1849        h('small', h('a', {href: self.toUrl(share.url)}, share.url))
1850      ] : '',
1851      share.text ? [
1852        ': ',
1853        h('q', String(share.text))
1854      ] : ''
1855    ], cb)
1856  })
1857}
1858
1859RenderMsg.prototype.tag = function (cb) {
1860  var done = multicb({pluck: 1, spread: true})
1861  var self = this
1862  if (self.c.message || self.c.root) {
1863    self.link(self.c.root, done())
1864    self.link(self.c.message, done())
1865    self.links(self.c.branch, done())
1866    done(function (err, rootLink, msgLink, branchLinks) {
1867      if (err) return self.wrap(u.renderError(err), cb)
1868      return self.wrap(h('div',
1869        branchLinks.map(function (a, i) {
1870          return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
1871        }),
1872        h('p',
1873          self.c.tagged ? 'tagged ' : 'untagged ',
1874          msgLink,
1875          rootLink ? [' as ', rootLink] : ''
1876        ),
1877      ), cb)
1878    })
1879  } else {
1880    self.wrapMini('tag', cb)
1881  }
1882}
1883
1884RenderMsg.prototype.tagTitle = function (cb) {
1885  var self = this
1886  if (!self.c.message && !self.c.root) {
1887    return self.app.getAbout(self.msg.key, function (err, about) {
1888      if (err) return cb(err)
1889      var name = about.name || about.title
1890        || (about.description && mdInline(about.description))
1891      cb(null, truncate(name ? name.replace(/^%/, '') : self.msg.key, 72))
1892    })
1893  }
1894  var done = multicb({pluck: 1, spread: true})
1895  self.getName(self.c.root, done())
1896  self.getName(self.c.message, done())
1897  done(function (err, rootName, msgName) {
1898    if (err) return cb(null, err.stack)
1899    cb(null, (self.c.tagged ? 'tagged ' : 'untagged ')
1900      + msgName + ' as ' + rootName)
1901  })
1902}
1903

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