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Tree: c7dfaf189024963ea674bf0a191b7d6d956e8e36

Files: c7dfaf189024963ea674bf0a191b7d6d956e8e36 / lib / render-msg.js

55252 bytesRaw
1var h = require('hyperscript')
2var htime = require('human-time')
3var multicb = require('multicb')
4var u = require('./util')
5var mdInline = require('./markdown-inline')
6
7module.exports = RenderMsg
8
9function RenderMsg(render, app, msg, opts) {
10  this.render = render
11  this.app = app
12  this.msg = msg
13  this.serve = opts.serve
14  this.value = msg && msg.value || {}
15  var content = this.value.content
16  this.c = content || {}
17  this.isMissing = !content
18
19  if (typeof opts === 'boolean') opts = {raw: opts}
20  this.opts = opts || {}
21  this.shouldWrap = this.opts.wrap !== false
22}
23
24RenderMsg.prototype.getMsg = function (id, cb) {
25  if (!id) return cb()
26  return this.serve
27    ? this.serve.getMsgDecryptedMaybeOoo(id, cb)
28    : this.app.getMsgDecryptedOoo(id, cb)
29}
30
31RenderMsg.prototype.toUrl = function (href) {
32  return this.render.toUrl(href)
33}
34
35RenderMsg.prototype.linkify = function (text) {
36  return this.render.linkify(text)
37}
38
39RenderMsg.prototype.raw = function (cb) {
40  // linkify various things in the JSON. TODO: abstract this better
41
42  // clone the message for linkifying
43  var m = {}, k
44  for (k in this.msg) m[k] = this.msg[k]
45  m.value = {}
46  for (k in this.msg.value) m.value[k] = this.msg.value[k]
47  var tokens = {}
48
49  // link to feed starting from this message
50  if (m.value.sequence) {
51    var tok = u.token()
52    tokens[tok] = h('a', {href:
53      this.toUrl(m.value.author + '?gt=' + (m.value.sequence-1))},
54      m.value.sequence)
55    m.value.sequence = tok
56  }
57
58  if (typeof m.value.content === 'object' && m.value.content != null) {
59    var c = m.value.content = {}
60    for (k in this.c) c[k] = this.c[k]
61
62    // link to messages of same type
63    tok = u.token()
64    tokens[tok] = h('a', {href: this.toUrl('/type/' + c.type)}, c.type)
65    c.type = tok
66
67    // link to channel
68    if (c.channel) {
69      tok = u.token()
70      tokens[tok] = h('a', {href: this.toUrl('#' + c.channel)}, c.channel)
71      c.channel = tok
72    }
73
74    // link to hashtags
75    // TODO: recurse
76    for (var k in c) {
77      if (!c[k] || c[k][0] !== '#') continue
78      tok = u.token()
79      tokens[tok] = h('a', {href: this.toUrl(c[k])}, c[k])
80      c[k] = tok
81    }
82  }
83
84  // link refs
85  var els = this.linkify(JSON.stringify(m, 0, 2))
86
87  // stitch it all together
88  for (var i = 0; i < els.length; i++) {
89    if (typeof els[i] === 'string') {
90      for (var tok in tokens) {
91        if (els[i].indexOf(tok) !== -1) {
92          var parts = els[i].split(tok)
93          els.splice(i, 1, parts[0], tokens[tok], parts[1])
94          continue
95        }
96      }
97    }
98  }
99  this.wrap(h('pre', els), cb)
100}
101
102RenderMsg.prototype.wrap = function (content, cb) {
103  if (!this.shouldWrap) return cb(null, content)
104  var date = new Date(this.msg.value.timestamp)
105  var self = this
106  var channel = this.c.channel ? '#' + this.c.channel : ''
107  var done = multicb({pluck: 1, spread: true})
108  done()(null, [h('tr.msg-row',
109    h('td.msg-left',
110      h('div', this.render.avatarImage(this.msg.value.author, done())),
111      h('div', this.render.idLink(this.msg.value.author, done())),
112      this.recpsLine(done())
113    ),
114    h('td.msg-main',
115      h('div.msg-header',
116        h('a.ssb-timestamp', {
117          title: date.toLocaleString(),
118          href: this.msg.key ? this.toUrl(this.msg.key) : undefined
119        }, htime(date)), ' ',
120        h('code', h('a.ssb-id',
121          {href: this.toUrl(this.msg.key)}, this.msg.key)),
122        channel ? [' ', h('a', {href: this.toUrl(channel)}, channel)] : '')),
123    h('td.msg-right', this.actions())
124  ), h('tr',
125    h('td.msg-content', {colspan: 3},
126      this.issues(done()),
127      content)
128  )])
129  done(cb)
130}
131
132RenderMsg.prototype.wrapMini = function (content, cb) {
133  if (!this.shouldWrap) return cb(null, content)
134  var date = new Date(this.value.timestamp)
135  var self = this
136  var channel = this.c.channel ? '#' + this.c.channel : ''
137  var done = multicb({pluck: 1, spread: true})
138  done()(null, h('tr.msg-row',
139    h('td.msg-left',
140      this.render.idLink(this.value.author, done()), ' ',
141      this.recpsLine(done()),
142      channel ? [h('a', {href: this.toUrl(channel)}, channel), ' '] : ''),
143    h('td.msg-main',
144      h('a.ssb-timestamp', {
145        title: date.toLocaleString(),
146        href: this.msg.key ? this.toUrl(this.msg.key) : undefined
147      }, htime(date)), ' ',
148      this.issues(done()),
149      content),
150    h('td.msg-right', this.actions())
151  ))
152  done(cb)
153}
154
155RenderMsg.prototype.actions = function () {
156  return this.msg.key ?
157    h('form', {method: 'post', action: ''},
158      this.msg.rel ? [this.msg.rel, ' '] : '',
159      this.opts.withGt && this.msg.timestamp ? [
160        h('a', {href: '?gt=' + this.msg.timestamp}, '↓'), ' '] : '',
161      this.c.type === 'gathering' ? [
162        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
163      /^(ssb_)?chess_/.test(this.c.type) ? [
164        h('a', {href: this.toUrl(this.msg.key) + '?full',
165          title: 'view full game board'}, 'full'), ' '] : '',
166      typeof this.c.text === 'string' ? [
167        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
168          title: 'view markdown source'}, 'md'), ' '] : '',
169      h('a', {href: this.toUrl(this.msg.key) + '?raw',
170        title: 'view raw message'}, 'raw'), ' ',
171      this.buttonsCommon(),
172      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
173      this.voteButton('dig')
174  ) : [
175    this.msg.rel ? [this.msg.rel, ' '] : ''
176  ]
177}
178
179RenderMsg.prototype.sync = function (cb) {
180  cb(null, h('tr.msg-row', h('td', {colspan: 3},
181    h('hr')
182  )))
183}
184
185RenderMsg.prototype.recpsLine = function (cb) {
186  if (!this.value.private) return cb(), ''
187  var author = this.value.author
188  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
189    return u.linkDest(link) !== author
190  })
191  return this.render.privateLine(recpsNotSelf, cb)
192}
193
194RenderMsg.prototype.recpsIds = function () {
195  return this.value.private
196    ? u.toArray(this.c.recps).map(u.linkDest)
197    : []
198}
199
200RenderMsg.prototype.buttonsCommon = function () {
201  var chan = this.msg.value.content.channel
202  var recps = this.recpsIds()
203  return [
204    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
205    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
206    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
207  ]
208}
209
210RenderMsg.prototype.voteButton = function (expression) {
211  var chan = this.msg.value.content.channel
212  return [
213    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
214    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
215    h('input', {type: 'submit', name: 'action_vote', value: expression})]
216}
217
218RenderMsg.prototype.attendButton = function () {
219  var chan = this.msg.value.content.channel
220  return [
221    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
222  ]
223}
224
225RenderMsg.prototype.message = function (cb) {
226  if (this.opts.raw) return this.raw(cb)
227  if (this.msg.sync) return this.sync(cb)
228  if (typeof this.c === 'string') return this.encrypted(cb)
229  if (this.isMissing) return this.missing(cb)
230  switch (this.c.type) {
231    case 'post': return this.post(cb)
232    case 'ferment/like':
233    case 'robeson/like':
234    case 'vote': return this.vote(cb)
235    case 'about': return this.about(cb)
236    case 'contact': return this.contact(cb)
237    case 'pub': return this.pub(cb)
238    case 'channel': return this.channel(cb)
239    case 'git-repo': return this.gitRepo(cb)
240    case 'git-update': return this.gitUpdate(cb)
241    case 'pull-request': return this.gitPullRequest(cb)
242    case 'issue': return this.issue(cb)
243    case 'issue-edit': return this.issueEdit(cb)
244    case 'music-release-cc': return this.musicRelease(cb)
245    case 'ssb-dns': return this.dns(cb)
246    case 'gathering': return this.gathering(cb)
247    case 'micro': return this.micro(cb)
248    case 'ferment/audio':
249    case 'robeson/audio':
250      return this.audio(cb)
251    case 'ferment/repost':
252    case 'robeson/repost':
253      return this.repost(cb)
254    case 'ferment/update':
255    case 'robeson/update':
256      return this.update(cb)
257    case 'chess_invite':
258    case 'ssb_chess_invite':
259      return this.chessInvite(cb)
260    case 'chess_invite_accept':
261    case 'ssb_chess_invite_accept':
262      return this.chessInviteAccept(cb)
263    case 'chess_move':
264    case 'ssb_chess_move':
265      return this.chessMove(cb)
266    case 'chess_game_end':
267    case 'ssb_chess_game_end':
268      return this.chessGameEnd(cb)
269    case 'chess_chat':
270      return this.chessChat(cb)
271    case 'wifi-network': return this.wifiNetwork(cb)
272    case 'mutual/credit': return this.mutualCredit(cb)
273    case 'mutual/account': return this.mutualAccount(cb)
274    case 'npm-publish': return this.npmPublish(cb)
275    case 'npm-packages': return this.npmPackages(cb)
276    case 'npm-prebuilds': return this.npmPrebuilds(cb)
277    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
278    case 'bookclub': return this.bookclub(cb)
279    case 'macaco_maluco-sombrio-wall': return this.sombrioWall(cb)
280    case 'macaco_maluco-sombrio-tombstone': return this.sombrioTombstone(cb)
281    case 'macaco_maluco-sombrio-score': return this.sombrioScore(cb)
282    case 'blog': return this.blog(cb)
283    case 'image-map': return this.imageMap(cb)
284    case 'talenet-identity-skill_assignment': return this.identitySkillAssign(cb)
285    case 'talenet-idea-skill_assignment': return this.ideaSkillAssign(cb)
286    case 'talenet-idea-create': return this.ideaCreate(cb)
287    case 'talenet-idea-association': return this.ideaAssocate(cb)
288    case 'talenet-skill-create': return this.skillCreate(cb)
289    case 'talenet-skill-similarity': return this.skillSimilarity(cb)
290    case 'talenet-idea-hat': return this.ideaHat(cb)
291    case 'talenet-idea-update': return this.ideaUpdate(cb)
292    case 'talenet-idea-comment':
293    case 'talenet-idea-comment_reply': return this.ideaComment(cb)
294    case 'about-resource': return this.aboutResource(cb)
295    case 'line-comment': return this.lineComment(cb)
296    case 'web-init': return this.webInit(cb)
297    case 'web-root': return this.webRoot(cb)
298    case 'poll': return this.poll(cb)
299    case 'position': if (this.c.version === 'v1') return this.pollPosition(cb)
300    default: return this.object(cb)
301  }
302}
303
304RenderMsg.prototype.encrypted = function (cb) {
305  this.wrapMini(this.render.lockIcon(), cb)
306}
307
308RenderMsg.prototype.markdown = function (cb) {
309  if (this.opts.markdownSource)
310    return this.markdownSource(this.c.text, this.c.mentions)
311  return this.render.markdown(this.c.text, this.c.mentions)
312}
313
314RenderMsg.prototype.markdownSource = function (text, mentions) {
315  return h('div',
316    h('pre', String(text)),
317    mentions ? [
318      h('div', h('em', 'mentions:')),
319      this.valueTable(mentions, 2, function () {})
320    ] : ''
321  ).innerHTML
322}
323
324RenderMsg.prototype.post = function (cb) {
325  var self = this
326  var done = multicb({pluck: 1, spread: true})
327  if (self.c.root === self.c.branch) done()()
328  else self.link(self.c.root, done())
329  self.links(self.c.branch, done())
330  self.links(self.c.fork, done())
331  done(function (err, rootLink, branchLinks, forkLinks) {
332    if (err) return self.wrap(u.renderError(err), cb)
333    self.wrap(h('div.ssb-post',
334      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
335      branchLinks.map(function (a, i) {
336        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
337      }),
338      forkLinks.map(function (a, i) {
339        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
340      }),
341      h('div.ssb-post-text', {innerHTML: self.markdown()})
342    ), cb)
343  })
344}
345
346RenderMsg.prototype.vote = function (cb) {
347  var self = this
348  var v = self.c.vote || self.c.like || {}
349  self.link(v, function (err, a) {
350    if (err) return cb(err)
351    self.wrapMini([
352      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
353      ' ', a,
354      v.reason ? [' as ', h('q', v.reason)] : ''
355    ], cb)
356  })
357}
358
359RenderMsg.prototype.getName = function (id, cb) {
360  switch (id && id[0]) {
361    case '%': return this.getMsgName(id, cb)
362    case '@': // fallthrough
363    case '&': return this.getAboutName(id, cb)
364    default: return cb(null, String(id))
365  }
366}
367
368RenderMsg.prototype.getMsgName = function (id, cb) {
369  var self = this
370  self.app.getMsg(id, function (err, msg) {
371    if (err && err.name == 'NotFoundError')
372      cb(null, id.substring(0, 10)+'...(missing)')
373    else if (err) cb(err)
374      // preserve security: only decrypt the linked message if we decrypted
375      // this message
376    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
377    else gotMsg(null, msg)
378  })
379  function gotMsg(err, msg) {
380    if (err) return cb(err)
381    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
382  }
383}
384
385function truncate(str, len) {
386  str = String(str)
387  return str.length > len ? str.substr(0, len) + '...' : str
388}
389
390function title(str) {
391  return truncate(mdInline(str), 72)
392}
393
394RenderMsg.prototype.title = function (cb) {
395  var self = this
396  self.app.filterMsg(self.msg, self.opts, function (err, show) {
397    if (err) return cb(err)
398    if (show) self.title1(cb)
399    else cb(null, '[…]')
400  })
401}
402
403RenderMsg.prototype.title1 = function (cb) {
404  var self = this
405  if (!self.c || typeof self.c !== 'object') {
406    cb(null, self.msg.key)
407  } else if (typeof self.c.text === 'string') {
408    if (self.c.type === 'post')
409      cb(null, title(self.c.text))
410    else
411      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
412  } else {
413    if (self.c.type === 'ssb-dns')
414      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
415    else if (self.c.type === 'npm-publish')
416      self.npmPublishTitle(cb)
417    else if (self.c.type === 'chess_chat')
418      cb(null, title(self.c.msg))
419    else if (self.c.type === 'chess_invite')
420      self.chessInviteTitle(cb)
421    else if (self.c.type === 'bookclub')
422      self.bookclubTitle(cb)
423    else if (self.c.type === 'talenet-skill-create' && self.c.name)
424      cb(null, self.c.name)
425    else if (self.c.type === 'talenet-idea-create')
426      self.app.getIdeaTitle(self.msg.key, cb)
427    else
428    self.app.getAbout(self.msg.key, function (err, about) {
429      if (err) return cb(err)
430      var name = about.name || about.title
431        || (about.description && mdInline(about.description))
432      if (name) return cb(null, truncate(name, 72))
433      self.message(function (err, el) {
434        if (err) return cb(err)
435        cb(null, '%' + title(h('div', el).textContent))
436      })
437    })
438  }
439}
440
441RenderMsg.prototype.getAboutName = function (id, cb) {
442  this.app.getAbout(id, function (err, about) {
443    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
444  })
445}
446
447RenderMsg.prototype.link = function (link, cb) {
448  var self = this
449  var ref = u.linkDest(link)
450  if (!ref) return cb(null, '')
451  self.getName(ref, function (err, name) {
452    if (err) name = truncate(ref, 10)
453    cb(null, h('a', {href: self.toUrl(ref)}, name))
454  })
455}
456
457RenderMsg.prototype.link1 = function (link, cb) {
458  var self = this
459  var ref = u.linkDest(link)
460  if (!ref) return cb(), ''
461  var a = h('a', {href: self.toUrl(ref)}, ref)
462  self.getName(ref, function (err, name) {
463    if (err) name = ref
464    a.childNodes[0].textContent = name
465    cb()
466  })
467  return a
468}
469
470RenderMsg.prototype.links = function (links, cb) {
471  var self = this
472  var done = multicb({pluck: 1})
473  u.toArray(links).forEach(function (link) {
474    self.link(link, done())
475  })
476  done(cb)
477}
478
479function dateTime(d) {
480  var date = new Date(d.epoch)
481  return date.toString()
482  // d.bias
483  // d.epoch
484}
485
486// TODO: make more DRY
487var knownAboutProps = {
488  type: true,
489  root: true,
490  about: true,
491  attendee: true,
492  about: true,
493  image: true,
494  description: true,
495  name: true,
496  title: true,
497  attendee: true,
498  startDateTime: true,
499  endDateTime: true,
500  location: true,
501  /*
502  rating: true,
503  ratingType: true,
504  */
505  'talenet-version': true,
506}
507
508RenderMsg.prototype.about = function (cb) {
509  var keys = Object.keys(this.c).sort().join()
510  var isSelf = this.c.about === this.msg.value.author
511
512  if (keys === 'about,name,type') {
513    return this.wrapMini([
514      isSelf ?
515        'self-identifies as ' :
516        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
517      h('ins', this.c.name)
518    ], cb)
519  }
520
521  if (keys === 'about,publicWebHosting,type') {
522    var public = this.c.publicWebHosting && this.c.publicWebHosting !== 'false'
523    return this.wrapMini([
524      isSelf ?
525        public ? 'is okay with being hosted publicly'
526        : 'wishes to not to be hosted publicly'
527      : public ? ['thinks ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
528          ' should be hosted publicly ']
529        : ['wishes ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
530          ' to not be hosted publicly']
531    ], cb)
532  }
533
534  var done = multicb({pluck: 1, spread: true})
535  var elCb = done()
536
537  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
538    && keys === 'about,attendee,type'
539  if (isAttendingMsg) {
540    var attending = !this.c.attendee.remove
541    this.wrapMini([
542      attending ? ' is attending' : ' is not attending', ' ',
543      this.link1(this.c.about, done())
544      ], elCb)
545    return done(cb)
546  }
547
548  var extras
549  for (var k in this.c) {
550    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
551      if (!extras) extras = {}
552      extras[k] = this.c[k]
553    }
554  }
555
556  var img = u.linkDest(this.c.image)
557  // if there is a description, it is likely to be multi-line
558  var hasDescription = this.c.description != null
559  // if this about message gives the thing a name, show its id
560  var showComputedName = !isSelf && !this.c.name
561
562  this.wrap([
563    this.c.root ? h('div',
564      h('small', '> ', this.link1(this.c.root, done()))
565    ) : '',
566    isSelf ? 'self-describes as ' : [
567      'describes ',
568      !this.c.about ? ''
569        : showComputedName ? this.link1(this.c.about, done())
570        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
571      ' as '
572    ],
573    this.c.name ? [h('ins', this.c.name), ' '] : '',
574    this.c.description ? h('div',
575      {innerHTML: this.render.markdown(this.c.description)}) : '',
576    this.c.title ? h('h3', this.c.title) : '',
577    this.c.attendee ? h('div',
578      this.link1(this.c.attendee.link, done()),
579      this.c.attendee.remove ? ' is not attending' : ' is attending'
580    ) : '',
581    this.c.startDateTime ? h('div',
582      'starting at ', dateTime(this.c.startDateTime)) : '',
583    this.c.endDateTime ? h('div',
584      'ending at ', dateTime(this.c.endDateTime)) : '',
585    this.c.location ? h('div', 'at ', this.c.location) : '',
586    img ? h('a', {href: this.toUrl(img)},
587      h('img.ssb-avatar-image', {
588        src: this.render.imageUrl(img),
589        alt: ' ',
590      })) : '',
591    /*
592    this.c.rating != null ? this.aboutRating() : '',
593    */
594    extras ? this.valueTable(extras, 1, done())
595    : ''
596  ], elCb)
597  done(cb)
598}
599
600/*
601 * disabled until it's clearer how to do this -cel
602RenderMsg.prototype.aboutRating = function (cb) {
603  var rating = Number(this.c.rating)
604  var type = this.c.ratingType || '★'
605  var text = rating + ' ' + type
606  if (isNaN(rating)) return 'rating: ' + text
607  if (rating > 5) rating = 5
608  var el = h('div', {title: text})
609  for (var i = 0; i < rating; i++) {
610    el.appendChild(h('span',
611      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
612    ))
613  }
614  return el
615}
616*/
617
618RenderMsg.prototype.contact = function (cb) {
619  var self = this
620  self.link(self.c.contact, function (err, a) {
621    if (err) return cb(err)
622    if (!a) a = "?"
623      self.wrapMini([
624        self.c.following && self.c.autofollow ? 'follows pub' :
625        self.c.following && self.c.pub ? 'autofollows' :
626        self.c.following ? 'follows' :
627        self.c.blocking ? 'blocks' :
628        self.c.flagged ? 'flagged' :
629        self.c.following === false ? 'unfollows' :
630        self.c.blocking === false ? 'unblocks' : '',
631        self.c.flagged === false ? 'unflagged' :
632        ' ', a,
633        self.c.note ? [
634          ' from ',
635          h('code', self.c.note)
636        ] : '',
637        self.c.reason ? [' because ', h('q', self.c.reason)] : ''
638      ], cb)
639  })
640}
641
642RenderMsg.prototype.pub = function (cb) {
643  var self = this
644  var addr = self.c.address || {}
645  self.link(addr.key, function (err, pubLink) {
646    if (err) return cb(err)
647      self.wrapMini([
648        'connects to ', pubLink, ' at ',
649        h('code', addr.host + ':' + addr.port)], cb)
650  })
651}
652
653RenderMsg.prototype.channel = function (cb) {
654  var chan = '#' + this.c.channel
655  this.wrapMini([
656    this.c.subscribed ? 'subscribes to ' :
657    this.c.subscribed === false ? 'unsubscribes from ' : '',
658    h('a', {href: this.toUrl(chan)}, chan)], cb)
659}
660
661RenderMsg.prototype.gitRepo = function (cb) {
662  var self = this
663  var id = self.msg.key
664  var name = self.c.name
665  var upstream = self.c.upstream
666  self.link(upstream, function (err, upstreamA) {
667    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
668    self.wrapMini([
669      upstream ? ['forked ', upstreamA, ': '] : '',
670      'git clone ',
671      h('code', h('small', 'ssb://' + id)),
672      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
673    ], cb)
674  })
675}
676
677RenderMsg.prototype.gitUpdate = function (cb) {
678  var self = this
679  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
680  var size = [].concat(self.c.packs, self.c.indexes)
681    .map(function (o) { return o && o.size })
682    .reduce(function (total, s) { return total + s })
683
684  var done = multicb({pluck: 1, spread: true})
685  self.link(self.c.repo, done())
686  self.render.npmPackageMentions(self.c.mentions, done())
687  self.render.npmPrebuildMentions(self.c.mentions, done())
688  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
689    if (err) return cb(err)
690      self.wrap(h('div.ssb-git-update',
691        'git push ', a, ' ',
692        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
693        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
694          var id = self.c.refs[ref]
695          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
696          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
697            + '?msg=' + encodeURIComponent(self.msg.key))
698            + '&search=1'
699          return h('li',
700            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
701            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
702               : h('em', 'deleted'))
703      })) : '',
704      Array.isArray(self.c.commits) ?
705        h('ul', self.c.commits.map(function (commit) {
706          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
707            + '?msg=' + encodeURIComponent(self.msg.key)
708          return h('li', h('a', {href: self.render.toUrl(path)},
709            h('code', String(commit.sha1).substr(0, 8))), ' ',
710            self.linkify(String(commit.title)),
711            self.render.gitCommitBody(commit.body)
712          )
713        })) : '',
714      Array.isArray(self.c.tags) ?
715        h('ul', self.c.tags.map(function (tag) {
716          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
717            + '?msg=' + encodeURIComponent(self.msg.key)
718          return h('li',
719            h('a', {href: self.render.toUrl(path)},
720              h('code', String(tag.sha1).substr(0, 8))), ' ',
721            'tagged ', String(tag.type), ' ',
722            h('code', String(tag.object).substr(0, 8)), ' ',
723            String(tag.tag),
724            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
725            tag.body ? self.render.gitCommitBody(tag.body) : ''
726          )
727        })) : '',
728        self.c.commits_more ? h('div',
729          '+ ' + self.c.commits_more + ' more commits') : '',
730        self.c.tags_more ? h('div',
731          '+ ' + self.c.tags_more + ' more tags') : '',
732        pkgMentionsEl,
733        prebuildMentionsEl
734    ), cb)
735  })
736}
737
738RenderMsg.prototype.gitPullRequest = function (cb) {
739  var self = this
740  var done = multicb({pluck: 1, spread: true})
741  self.link(self.c.repo, done())
742  self.link(self.c.head_repo, done())
743  done(function (err, baseRepoLink, headRepoLink) {
744    if (err) return cb(err)
745    self.wrap(h('div.ssb-pull-request',
746      'pull request ',
747      'to ', baseRepoLink, ':', self.c.branch, ' ',
748      'from ', headRepoLink, ':', self.c.head_branch,
749      self.c.title ? h('h4', self.c.title) : '',
750      h('div', {innerHTML: self.markdown()})), cb)
751  })
752}
753
754RenderMsg.prototype.issue = function (cb) {
755  var self = this
756  self.link(self.c.project, function (err, projectLink) {
757    if (err) return cb(err)
758    self.wrap(h('div.ssb-issue',
759      'issue on ', projectLink,
760      self.c.title ? h('h4', self.c.title) : '',
761      h('div', {innerHTML: self.markdown()})), cb)
762  })
763}
764
765RenderMsg.prototype.issueEdit = function (cb) {
766  this.wrap('', cb)
767}
768
769RenderMsg.prototype.object = function (cb) {
770  var done = multicb({pluck: 1, spread: true})
771  var elCb = done()
772  this.wrap([
773    this.valueTable(this.c, 1, done()),
774  ], elCb)
775  done(cb)
776}
777
778RenderMsg.prototype.valueTable = function (val, depth, cb) {
779  var isContent = depth === 1
780  var self = this
781  switch (typeof val) {
782    case 'object':
783      if (val === null) return cb(), ''
784      var done = multicb({pluck: 1, spread: true})
785      var el = Array.isArray(val)
786        ? h('ul', val.map(function (item) {
787          return h('li', self.valueTable(item, depth + 1, done()))
788        }))
789        : h('table.ssb-object', Object.keys(val).map(function (key) {
790          if (key === 'text') {
791            return h('tr',
792              h('td', h('strong', 'text')),
793              h('td', h('div', {
794                innerHTML: self.render.markdown(val.text, val.mentions)
795              }))
796            )
797          } else if (isContent && key === 'type') {
798            // TODO: also link to images by type, using links2
799            var type = val.type
800            return h('tr',
801              h('td', h('strong', 'type')),
802              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
803            )
804          }
805          return h('tr',
806            h('td', h('strong', key)),
807            h('td', self.valueTable(val[key], depth + 1, done()))
808          )
809        }))
810      done(cb)
811      return el
812    case 'string':
813      if (val[0] === '#') return cb(null, h('a', {href: self.toUrl('/channel/' + val.substr(1))}, val))
814      if (u.isRef(val)) return self.link1(val, cb)
815      if (/^ssb-blob:\/\//.test(val)) return cb(), h('a', {href: self.toUrl(val)}, val)
816      return cb(), self.linkify(val)
817    case 'boolean':
818      return cb(), h('input', {
819        type: 'checkbox', disabled: 'disabled', checked: val
820      })
821    default:
822      return cb(), String(val)
823  }
824}
825
826RenderMsg.prototype.missing = function (cb) {
827  this.wrapMini([
828    h('code', 'MISSING'), ' ',
829    h('a', {href: '?ooo=1'}, 'fetch')
830  ], cb)
831}
832
833RenderMsg.prototype.issues = function (cb) {
834  var self = this
835  var done = multicb({pluck: 1, spread: true})
836  var issues = u.toArray(self.c.issues)
837  if (self.c.type === 'issue-edit' && self.c.issue) {
838    issues.push({
839      link: self.c.issue,
840      title: self.c.title,
841      open: self.c.open,
842    })
843  }
844  var els = issues.map(function (issue) {
845    var commit = issue.object || issue.label ? [
846      issue.object ? h('code', issue.object) : '', ' ',
847      issue.label ? h('q', issue.label) : ''] : ''
848    if (issue.merged === true)
849      return h('div',
850        'merged ', self.link1(issue, done()))
851    if (issue.open === false)
852      return h('div',
853        'closed ', self.link1(issue, done()))
854    if (issue.open === true)
855      return h('div',
856        'reopened ', self.link1(issue, done()))
857    if (typeof issue.title === 'string')
858      return h('div',
859        'renamed ', self.link1(issue, done()), ' to ', h('ins', issue.title))
860  })
861  done(cb)
862  return els.length > 0 ? [els, h('br')] : ''
863}
864
865RenderMsg.prototype.repost = function (cb) {
866  var self = this
867  var id = u.linkDest(self.c.repost)
868  self.app.getMsg(id, function (err, msg) {
869    if (err && err.name == 'NotFoundError')
870      gotMsg(null, id.substring(0, 10)+'...(missing)')
871    else if (err) gotMsg(err)
872    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
873    else gotMsg(null, msg)
874  })
875  function gotMsg(err, msg) {
876    if (err) return cb(err)
877    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
878      renderMsg.message(function (err, msgEl) {
879        self.wrapMini(['reposted ',
880          h('code.ssb-id',
881            h('a', {href: self.render.toUrl(id)}, id)),
882          h('div', err ? u.renderError(err) : msgEl || '')
883        ], cb)
884    })
885  }
886}
887
888RenderMsg.prototype.update = function (cb) {
889  var id = String(this.c.update)
890  this.wrapMini([
891    h('div', 'updated ', h('code.ssb-id',
892      h('a', {href: this.render.toUrl(id)}, id))),
893    this.c.title ? h('h4.msg-title', this.c.title) : '',
894    this.c.description ? h('div',
895      {innerHTML: this.render.markdown(this.c.description)}) : ''
896  ], cb)
897}
898
899function formatDuration(s) {
900  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
901}
902
903RenderMsg.prototype.audio = function (cb) {
904  // fileName, fallbackFileName, overview
905  this.wrap(h('table', h('tr',
906    h('td',
907      this.c.artworkSrc
908      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
909          src: this.render.imageUrl(this.c.artworkSrc),
910          alt: ' ',
911          width: 72,
912          height: 72,
913        }))
914      : ''),
915    h('td',
916      h('a', {href: this.render.toUrl(this.c.audioSrc)}, this.c.title),
917      isFinite(this.c.duration)
918        ? ' (' + formatDuration(this.c.duration) + ')'
919        : '',
920      this.c.description
921        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
922        : ''
923  ))), cb)
924}
925
926RenderMsg.prototype.musicRelease = function (cb) {
927  var self = this
928  this.wrap([
929    h('table', h('tr',
930      h('td',
931        this.c.cover
932          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
933              src: this.render.imageUrl(this.c.cover),
934              alt: ' ',
935              width: 72,
936              height: 72,
937            }))
938          : ''),
939      h('td',
940        h('h4.msg-title', this.c.title),
941        this.c.text
942          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
943          : ''
944      )
945    )),
946    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
947      return h('li',
948        h('a', {href: self.render.toUrl(track.link)}, track.fname))
949    }))
950  ], cb)
951}
952
953RenderMsg.prototype.dns = function (cb) {
954  var self = this
955  var record = self.c.record || {}
956  var done = multicb({pluck: 1, spread: true})
957  var elCb = done()
958  self.wrap([
959    h('div',
960      h('p',
961        h('ins', {title: 'name'}, record.name), ' ',
962        h('span', {title: 'ttl'}, record.ttl), ' ',
963        h('span', {title: 'class'}, record.class), ' ',
964        h('span', {title: 'type'}, record.type)
965      ),
966      h('pre', {title: 'data'},
967        JSON.stringify(record.data || record.value, null, 2)),
968      !self.c.branch ? null : h('div',
969        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
970          return [self.link1(id, done()), i === 0 ? ', ' : '']
971        })
972      )
973    )
974  ], elCb)
975  done(cb)
976}
977
978RenderMsg.prototype.wifiNetwork = function (cb) {
979  var net = this.c.network || {}
980  this.wrap([
981    h('div', 'wifi network'),
982    h('table',
983      Object.keys(net).map(function (key) {
984        return h('tr',
985          h('td', key),
986          h('td', h('pre', JSON.stringify(net[key]))))
987      })
988    ),
989  ], cb)
990}
991
992RenderMsg.prototype.mutualCredit = function (cb) {
993  var self = this
994  var currency = String(self.c.currency)
995  self.link(self.c.account, function (err, a) {
996    if (err) return cb(err)
997    self.wrapMini([
998      'credits ', a || '?', ' ',
999      h('code', self.c.amount), ' ',
1000      currency[0] === '#'
1001        ? h('a', {href: self.toUrl(currency)}, currency)
1002        : h('ins', currency),
1003      self.c.memo ? [' for ', h('q', self.c.memo)] : ''
1004    ], cb)
1005  })
1006}
1007
1008RenderMsg.prototype.mutualAccount = function (cb) {
1009  return this.object(cb)
1010}
1011
1012RenderMsg.prototype.gathering = function (cb) {
1013  this.wrapMini('gathering', cb)
1014}
1015
1016function unwrapP(html) {
1017  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
1018    return $1
1019  })
1020}
1021
1022RenderMsg.prototype.micro = function (cb) {
1023  var el = h('span', {innerHTML: unwrapP(this.markdown())})
1024  this.wrapMini(el, cb)
1025}
1026
1027function hJoin(els, seperator, lastSeparator) {
1028  return els.map(function (el, i) {
1029    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
1030  })
1031}
1032
1033function asNpmReadme(readme) {
1034  if (!readme || readme === 'ERROR: No README data found!') return
1035  return u.ifString(readme)
1036}
1037
1038function singleValue(obj) {
1039  if (!obj || typeof obj !== 'object') return obj
1040  var keys = Object.keys(obj)
1041  if (keys.length === 1) return obj[keys[0]]
1042}
1043
1044function ifDifferent(obj, value) {
1045  if (singleValue(obj) !== value) return obj
1046}
1047
1048RenderMsg.prototype.npmPublish = function (cb) {
1049  var self = this
1050  var render = self.render
1051  var pkg = self.c.meta || {}
1052  var pkgReadme = asNpmReadme(pkg.readme)
1053  var pkgDescription = u.ifString(pkg.description)
1054
1055  var versions = Object.keys(pkg.versions || {})
1056  var singleVersion = versions.length === 1 ? versions[0] : null
1057  var singleRelease = singleVersion && pkg.versions[singleVersion]
1058  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
1059
1060  var distTags = pkg['dist-tags'] || {}
1061  var distTagged = {}
1062  for (var distTag in distTags)
1063    if (distTag !== 'latest')
1064      distTagged[distTags[distTag]] = distTag
1065
1066  self.links(self.c.previousPublish, function (err, prevLinks) {
1067    if (err) return cb(err)
1068    self.wrap([
1069      h('div',
1070        'published ',
1071        h('u', pkg.name), ' ',
1072        hJoin(versions.map(function (version) {
1073          var distTag = distTagged[version]
1074          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1075        }), ', ')
1076      ),
1077      pkgDescription ? h('div',
1078        // TODO: make mdInline use custom emojis
1079        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1080      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1081      pkgReadme && pkgReadme !== singleReadme ?
1082        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1083      versions.map(function (version, i) {
1084        var release = pkg.versions[version] || {}
1085        var license = u.ifString(release.license)
1086        var author = ifDifferent(release.author, self.msg.value.author)
1087        var description = u.ifString(release.description)
1088        var readme = asNpmReadme(release.readme)
1089        var keywords = u.toArray(release.keywords).map(u.ifString)
1090        var dist = release.dist || {}
1091        var size = u.ifNumber(dist.size)
1092        return [
1093          h > 0 ? h('br') : '',
1094          version !== singleVersion ? h('div', 'version: ', version) : '',
1095          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1096          license ? h('div', 'license: ', h('code', license)) : '',
1097          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1098          size ? h('div', 'size: ', render.formatSize(size)) : '',
1099          description && description !== pkgDescription ?
1100            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1101          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1102        ]
1103      })
1104    ], cb)
1105  })
1106}
1107
1108RenderMsg.prototype.npmPackages = function (cb) {
1109  var self = this
1110  var done = multicb({pluck: 1, spread: true})
1111  var elCb = done()
1112  function renderIdLink(id) {
1113    return [h('a', {href: self.toUrl(id)}, truncate(id, 8)), ' ']
1114  }
1115  var singlePkg = self.c.mentions
1116    && self.c.mentions.length === 1
1117    && self.c.mentions[0]
1118  var m = singlePkg && /^npm:(.*?):(.*?):/.exec(singlePkg.name)
1119  var singlePkgSpec = m && (m[1] + (m[2] ? '@' + m[2] : ''))
1120  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1121    if (err) return cb(err)
1122    var dependencyLinks = u.toArray(self.c.dependencyBranch)
1123    var versionLinks = u.toArray(self.c.versionBranch)
1124    self.wrap(h('div', [
1125      el,
1126      singlePkg ? h('p',
1127        h('code',
1128          'npm install --registry=' +
1129            'http://' + self.app.host + ':' + self.app.port +
1130            '/npm-registry/' + encodeURIComponent(self.msg.key) + ' ' +
1131            singlePkgSpec),
1132      ) : '',
1133      dependencyLinks.length ? h('div',
1134        'dependencies via: ', dependencyLinks.map(renderIdLink)
1135      ) : '',
1136      versionLinks.length ? h('div',
1137        'previous versions: ', versionLinks.map(renderIdLink)
1138      ) : ''
1139    ]), elCb)
1140    return done(cb)
1141  })
1142}
1143
1144RenderMsg.prototype.npmPrebuilds = function (cb) {
1145  var self = this
1146  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1147    if (err) return cb(err)
1148    self.wrap(el, cb)
1149  })
1150}
1151
1152RenderMsg.prototype.npmPublishTitle = function (cb) {
1153  var pkg = this.c.meta || {}
1154  var name = pkg.name || pkg._id || '?'
1155
1156  var taggedVersions = {}
1157  for (var version in pkg.versions || {})
1158    taggedVersions[version] = []
1159
1160  var distTags = pkg['dist-tags'] || {}
1161  for (var distTag in distTags) {
1162    if (distTag === 'latest') continue
1163    var version = distTags[distTag] || '?'
1164    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1165    tags.push(distTag)
1166  }
1167
1168  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1169    var tags = taggedVersions[version]
1170    return (tags.length ? tags.join(',') + ':' : '') + version
1171  }).join(','))
1172}
1173
1174function expandDigitToSpaces(n) {
1175  return '         '.substr(-n)
1176}
1177
1178function parseFenRank (line) {
1179  return line.replace(/\d/g, expandDigitToSpaces).split('')
1180}
1181
1182function parseChess(fen) {
1183  var fields = String(fen).split(/\s+/)
1184  var ranks = fields[0].split('/')
1185  var f2 = fields[2] || ''
1186  return {
1187    board: ranks.map(parseFenRank),
1188    /*
1189    nextMove: fields[1] === 'b' ? 'black'
1190            : fields[1] === 'w' ? 'white' : 'unknown',
1191    castling: f2 === '-' ? {} : {
1192      w: {
1193        k: 0 < f2.indexOf('K'),
1194        q: 0 < f2.indexOf('Q'),
1195      },
1196      b: {
1197        k: 0 < f2.indexOf('k'),
1198        q: 0 < f2.indexOf('q'),
1199      }
1200    },
1201    enpassantTarget: fields[3] === '-' ? null : fields[3],
1202    halfmoves: Number(fields[4]),
1203    fullmoves: Number(fields[5]),
1204    */
1205  }
1206}
1207
1208var chessSymbols = {
1209  ' ': [' ', ''],
1210  P: ['♙', 'white', 'pawn'],
1211  N: ['♘', 'white', 'knight'],
1212  B: ['♗', 'white', 'bishop'],
1213  R: ['♖', 'white', 'rook'],
1214  Q: ['♕', 'white', 'queen'],
1215  K: ['♔', 'white', 'king'],
1216  p: ['♟', 'black', 'pawn'],
1217  n: ['♞', 'black', 'knight'],
1218  b: ['♝', 'black', 'bishop'],
1219  r: ['♜', 'black', 'rook'],
1220  q: ['♛', 'black', 'queen'],
1221  k: ['♚', 'black', 'king'],
1222}
1223
1224function chessPieceName(c) {
1225  return chessSymbols[c] && chessSymbols[c][2] || '?'
1226}
1227
1228function renderChessSymbol(c, loc) {
1229  var info = chessSymbols[c] || ['?', '', 'unknown']
1230  return h('span.symbol', {
1231    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1232  }, info[0])
1233}
1234
1235function chessLocToIdxs(loc) {
1236  var m = /^([a-h])([1-8])$/.exec(loc)
1237  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1238}
1239
1240function lookupPiece(board, loc) {
1241  var idxs = chessLocToIdxs(loc)
1242  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1243}
1244
1245function chessIdxsToLoc(i, j) {
1246  return 'abcdefgh'[j] + (8-i)
1247}
1248
1249RenderMsg.prototype.chessBoard = function (board) {
1250  if (!board) return ''
1251  return h('table.chess-board',
1252    board.map(function (rank, i) {
1253      return h('tr', rank.map(function (piece, j) {
1254        var dark = (i ^ j) & 1
1255        return h('td', {
1256          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1257        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1258      }))
1259    })
1260  )
1261}
1262
1263RenderMsg.prototype.chessMove = function (cb) {
1264  var self = this
1265  var c = self.c
1266  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1267  var game = parseChess(fen)
1268  var piece = game && lookupPiece(game.board, c.dest)
1269  self.link(self.c.root, function (err, rootLink) {
1270    if (err) return cb(err)
1271    self.wrap([
1272      h('div', h('small', '> ', rootLink)),
1273      h('p',
1274        // 'player ', (c.ply || ''), ' ',
1275        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1276        'from ', c.orig, ' ',
1277        'to ', c.dest
1278      ),
1279      self.chessBoard(game.board)
1280    ], cb)
1281  })
1282}
1283
1284RenderMsg.prototype.chessInvite = function (cb) {
1285  var self = this
1286  var myColor = self.c.myColor
1287  self.link(self.c.inviting, function (err, link) {
1288    if (err) return cb(err)
1289    self.wrap([
1290      'invites ', link, ' to play chess',
1291      // myColor ? h('p', 'my color is ' + myColor) : ''
1292    ], cb)
1293  })
1294}
1295
1296RenderMsg.prototype.chessInviteTitle = function (cb) {
1297  var self = this
1298  var done = multicb({pluck: 1, spread: true})
1299  self.getName(self.c.inviting, done())
1300  self.getName(self.msg.value.author, done())
1301  done(function (err, inviteeLink, inviterLink) {
1302    if (err) return cb(err)
1303    self.wrap([
1304      'chess: ', inviterLink, ' vs. ', inviteeLink
1305    ], cb)
1306  })
1307}
1308
1309RenderMsg.prototype.chessInviteAccept = function (cb) {
1310  var self = this
1311  self.link(self.c.root, function (err, rootLink) {
1312    if (err) return cb(err)
1313    self.wrap([
1314      h('div', h('small', '> ', rootLink)),
1315      h('p', 'accepts invitation to play chess')
1316    ], cb)
1317  })
1318}
1319
1320RenderMsg.prototype.chessGameEnd = function (cb) {
1321  var self = this
1322  var c = self.c
1323  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1324    if (err) return cb(err)
1325    self.wrap([
1326      h('div', h('small', '> ', rootLink)),
1327      h('p', h('strong', 'resigned'))
1328    ], cb)
1329  })
1330
1331  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1332  var game = parseChess(fen)
1333  var piece = game && lookupPiece(game.board, c.dest)
1334  var done = multicb({pluck: 1, spread: true})
1335  self.link(self.c.root, done())
1336  self.link(self.c.winner, done())
1337  done(function (err, rootLink, winnerLink) {
1338    if (err) return cb(err)
1339    self.wrap([
1340      h('div', h('small', '> ', rootLink)),
1341      h('p',
1342        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1343        'from ', c.orig, ' ',
1344        'to ', c.dest
1345      ),
1346      h('p',
1347        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1348      self.chessBoard(game.board)
1349    ], cb)
1350  })
1351}
1352
1353RenderMsg.prototype.chessChat = function (cb) {
1354  var self = this
1355  self.link(self.c.root, function (err, rootLink) {
1356    if (err) return cb(err)
1357    self.wrap([
1358      h('div', h('small', '> ', rootLink)),
1359      h('p', self.c.msg)
1360    ], cb)
1361  })
1362}
1363
1364RenderMsg.prototype.chessMove = function (cb) {
1365  if (this.opts.full) return this.chessMoveFull(cb)
1366  return this.chessMoveMini(cb)
1367}
1368
1369RenderMsg.prototype.chessMoveFull = function (cb) {
1370  var self = this
1371  var c = self.c
1372  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1373  var game = parseChess(fen)
1374  var piece = game && lookupPiece(game.board, c.dest)
1375  self.link(self.c.root, function (err, rootLink) {
1376    if (err) return cb(err)
1377    self.wrap([
1378      h('div', h('small', '> ', rootLink)),
1379      h('p',
1380        // 'player ', (c.ply || ''), ' ',
1381        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1382        'from ', c.orig, ' ',
1383        'to ', c.dest
1384      ),
1385      self.chessBoard(game.board)
1386    ], cb)
1387  })
1388}
1389
1390RenderMsg.prototype.chessMoveMini = function (cb) {
1391  var self = this
1392  var c = self.c
1393  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1394  var game = parseChess(fen)
1395  var piece = game && lookupPiece(game.board, c.dest)
1396  self.link(self.c.root, function (err, rootLink) {
1397    if (err) return cb(err)
1398    self.wrapMini([
1399      'moved ', chessPieceName(piece), ' ',
1400      'to ', c.dest
1401    ], cb)
1402  })
1403}
1404
1405RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1406  var self = this
1407  self.wrapMini(h('span',
1408    'serves ',
1409    hJoin(u.toArray(self.c.challenges).map(function (challenge) {
1410      return h('a', {
1411        href: 'http://' + challenge.domain +
1412          '/.well-known/acme-challenge/' + challenge.token,
1413        title: challenge.keyAuthorization,
1414      }, challenge.domain)
1415    }), ', ', ', and ')
1416  ), cb)
1417}
1418
1419RenderMsg.prototype.bookclub = function (cb) {
1420  var self = this
1421  var props = self.c.common || self.c
1422  var images = u.toLinkArray(props.image || props.images)
1423  self.wrap(h('table', h('tr',
1424    h('td',
1425      images.map(function (image) {
1426        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1427          src: self.render.imageUrl(image.link),
1428          alt: image.name || ' ',
1429          width: 180,
1430        }))
1431      })),
1432    h('td',
1433      h('h4', props.title),
1434      props.authors ?
1435        h('p', h('em', props.authors))
1436        : '',
1437      props.description
1438        ? h('div', {innerHTML: self.render.markdown(props.description)})
1439        : ''
1440    )
1441  )), cb)
1442}
1443
1444RenderMsg.prototype.bookclubTitle = function (cb) {
1445  var props = this.c.common || this.c
1446  cb(null, props.title || 'book')
1447}
1448
1449RenderMsg.prototype.sombrioPosition = function () {
1450  return h('span', '[' + this.c.position + ']')
1451}
1452
1453RenderMsg.prototype.sombrioWall = function (cb) {
1454  var self = this
1455  self.wrapMini(h('span',
1456    self.sombrioPosition(),
1457    ' wall'
1458  ), cb)
1459}
1460
1461RenderMsg.prototype.sombrioTombstone = function (cb) {
1462  var self = this
1463  self.wrapMini(h('span',
1464    self.sombrioPosition(),
1465    ' tombstone'
1466  ), cb)
1467}
1468
1469RenderMsg.prototype.sombrioScore = function (cb) {
1470  var self = this
1471  self.wrapMini(h('span',
1472    'scored ',
1473    h('ins', self.c.score)
1474  ), cb)
1475}
1476
1477RenderMsg.prototype.blog = function (cb) {
1478  var self = this
1479  var blogId = u.linkDest(self.c.blog)
1480  var imgId = u.linkDest(self.c.thumbnail)
1481  var imgLink = imgId ? u.toLinkArray(self.c.mentions).filter(function (link) {
1482    return link.link === imgId
1483  })[0] || u.toLink(self.c.thumbnail) : null
1484  self.wrapMini(h('table', h('tr',
1485    h('td',
1486      imgId ? h('img', {
1487        src: self.render.imageUrl(imgId),
1488        alt: (imgLink.name || '')
1489          + (imgLink.size != null ? ' (' + self.render.formatSize(imgLink.size) + ')' : ''),
1490        width: 180,
1491      }) : 'blog'),
1492    h('td',
1493      blogId ? h('h3', h('a', {href: self.render.toUrl('/markdown/' + blogId)},
1494        self.c.title || self.msg.key)) : '',
1495      self.c.summary || '')
1496  )), cb)
1497}
1498
1499RenderMsg.prototype.imageMap = function (cb) {
1500  var self = this
1501  var imgLink = u.toLink(self.c.image)
1502  var imgRef = imgLink && imgLink.link
1503  var mapName = 'map' + u.token()
1504  self.wrap(h('div', [
1505    h('map', {name: mapName},
1506      u.toArray(self.c.areas).map(function (areaLink) {
1507        var href = areaLink && self.toUrl(areaLink.link)
1508        return href ? h('area', {
1509          shape: String(areaLink.shape),
1510          coords: String(areaLink.coords),
1511          href: href,
1512        }) : ''
1513      })
1514    ),
1515    imgRef && imgRef[0] === '&' ? h('img', {
1516      src: self.render.imageUrl(imgRef),
1517      width: Number(imgLink.width) || undefined,
1518      height: Number(imgLink.height) || undefined,
1519      alt: String(imgLink.name || ''),
1520      usemap: '#' + mapName,
1521    }) : ''
1522  ]), cb)
1523}
1524
1525RenderMsg.prototype.skillCreate = function (cb) {
1526  var self = this
1527  self.wrapMini(h('span',
1528    ' created skill ',
1529    h('ins', self.c.name)
1530  ), cb)
1531}
1532
1533RenderMsg.prototype.ideaCreate = function (cb) {
1534  var self = this
1535  self.wrapMini(h('span',
1536    ' has an idea'
1537  ), cb)
1538}
1539
1540RenderMsg.prototype.skillSimilarity = function (cb) {
1541  var self = this
1542  var done = multicb({pluck: 1, spread: true})
1543  self.link(self.c.skillKey1, done())
1544  self.link(self.c.skillKey2, done())
1545  var similarity = !!self.c.similarity
1546  done(function (err, skill1, skill2) {
1547    self.wrapMini(h('span',
1548      'considers ', skill1, ' to be ',
1549      similarity ? 'similar to ' : 'not similar to ',
1550      skill2
1551    ), cb)
1552  })
1553}
1554
1555RenderMsg.prototype.identitySkillAssign = function (cb) {
1556  var self = this
1557  self.link(self.c.skillKey, function (err, a) {
1558    self.wrapMini(h('span',
1559      self.c.action === 'assign' ? 'assigns '
1560        : self.c.action === 'unassign' ? 'unassigns '
1561        : h('code', self.c.action), ' ',
1562      'skill ', a
1563    ), cb)
1564  })
1565}
1566
1567RenderMsg.prototype.ideaSkillAssign = function (cb) {
1568  var self = this
1569  var done = multicb({pluck: 1, spread: true})
1570  self.link(self.c.skillKey, done())
1571  self.link(self.c.ideaKey, done())
1572  done(function (err, skillA, ideaA) {
1573    self.wrapMini(h('span',
1574      self.c.action === 'assign' ? 'assigns '
1575        : self.c.action === 'unassign' ? 'unassigns '
1576        : h('code', self.c.action), ' ',
1577      'skill ', skillA,
1578      ' to idea ',
1579      ideaA
1580    ), cb)
1581  })
1582}
1583
1584RenderMsg.prototype.ideaAssocate = function (cb) {
1585  var self = this
1586  self.link(self.c.ideaKey, function (err, a) {
1587    self.wrapMini(h('span',
1588      self.c.action === 'associate' ? 'associates with '
1589        : self.c.action === 'disassociate' ? 'disassociates with '
1590        : h('code', self.c.action), ' ',
1591      'idea ', a
1592    ), cb)
1593  })
1594}
1595
1596RenderMsg.prototype.ideaHat = function (cb) {
1597  var self = this
1598  self.link(self.c.ideaKey, function (err, a) {
1599    self.wrapMini(h('span',
1600      self.c.action === 'take' ? 'takes '
1601        : self.c.action === 'discard' ? 'discards '
1602        : h('code', self.c.action), ' ',
1603      'idea ', a
1604    ), cb)
1605  })
1606}
1607
1608RenderMsg.prototype.ideaUpdate = function (cb) {
1609  var self = this
1610  var done = multicb({pluck: 1, spread: true})
1611  var props = {}
1612  for (var k in self.c) {
1613    if (k !== 'ideaKey' && k !== 'type' && k !== 'talenet-version') {
1614      props[k] = self.c[k]
1615    }
1616  }
1617  var keys = Object.keys(props).sort().join()
1618
1619  if (keys === 'title') {
1620    return self.wrapMini(h('span',
1621      'titles idea ',
1622      h('a', {href: self.toUrl(self.c.ideaKey)}, props.title)
1623    ), cb)
1624  }
1625
1626  if (keys === 'description') {
1627    return self.link(self.c.ideaKey, function (err, a) {
1628      self.wrap(h('div',
1629        'describes idea ', a, ':',
1630        h('blockquote', {innerHTML: self.render.markdown(props.description)})
1631      ), cb)
1632    })
1633  }
1634
1635  if (keys === 'description,title') {
1636    return self.wrap(h('div',
1637      'describes idea ',
1638      h('a', {href: self.toUrl(self.c.ideaKey)}, props.title),
1639      ':',
1640      h('blockquote', {innerHTML: self.render.markdown(props.description)})
1641    ), cb)
1642  }
1643
1644  self.link(self.c.ideaKey, done())
1645  var table = self.valueTable(props, 1, done())
1646  done(function (err, ideaA) {
1647    self.wrap(h('div', [
1648      'updates idea ', ideaA,
1649      table
1650    ]), cb)
1651  })
1652}
1653
1654RenderMsg.prototype.ideaComment = function (cb) {
1655  var self = this
1656  var done = multicb({pluck: 1, spread: true})
1657  self.link(self.c.ideaKey, done())
1658  self.link(self.c.commentKey, done())
1659  done(function (err, ideaLink, commentLink) {
1660    if (err) return self.wrap(u.renderError(err), cb)
1661    self.wrap(h('div', [
1662      ideaLink ? h('div', h('small', h('span.symbol', '→'), ' idea ', ideaLink)) : '',
1663      commentLink ? h('div', h('small', h('span.symbol', '↳'), ' comment ', commentLink)) : '',
1664      self.c.text ?
1665        h('div', {innerHTML: self.render.markdown(self.c.text)}) : ''
1666    ]), cb)
1667  })
1668}
1669
1670RenderMsg.prototype.aboutResource = function (cb) {
1671  var self = this
1672  return self.wrap(h('div',
1673    'describes resource ',
1674    h('a', {href: self.toUrl(self.c.about)}, self.c.name),
1675    ':',
1676    h('blockquote', {innerHTML: self.render.markdown(self.c.description)})
1677  ), cb)
1678}
1679
1680RenderMsg.prototype.lineComment = function (cb) {
1681  var self = this
1682  var done = multicb({pluck: 1, spread: true})
1683  self.link(self.c.repo, done())
1684  self.getMsg(self.c.updateId, done())
1685  done(function (err, repoLink, updateMsg) {
1686    if (err) return cb(err)
1687    return self.wrap(h('div',
1688      h('div', h('small', '> ',
1689        repoLink, ' ',
1690        h('a', {
1691          href: self.toUrl(self.c.updateId)
1692        },
1693          updateMsg
1694            ? htime(new Date(updateMsg.value.timestamp))
1695            : String(self.c.updateId)
1696        ), ' ',
1697        h('a', {
1698          href: self.toUrl('/git/commit/' + self.c.commitId + '?msg=' + encodeURIComponent(self.c.updateId))
1699        }, String(self.c.commitId).substr(0, 8)), ' ',
1700        h('a', {
1701          href: self.toUrl('/git/line-comment/' +
1702            encodeURIComponent(self.msg.key || JSON.stringify(self.msg)))
1703        }, h('code', self.c.filePath + ':' + self.c.line))
1704      )),
1705      self.c.text ?
1706        h('div', {innerHTML: self.markdown()}) : ''), cb)
1707  })
1708}
1709
1710RenderMsg.prototype.webInit = function (cb) {
1711  var self = this
1712  var url = '/web/' + encodeURIComponent(this.msg.key)
1713  self.wrapMini(h('a',
1714    {href: this.toUrl(url)},
1715    'website'
1716  ), cb)
1717}
1718
1719RenderMsg.prototype.webRoot = function (cb) {
1720  var self = this
1721  var site = u.isRef(this.c.site) && this.c.site
1722  var root = u.isRef(this.c.root) && this.c.root
1723  self.wrapMini(h('span',
1724    'updated website ',
1725    site ? [
1726      h('a', {href: this.toUrl('/web/' + encodeURIComponent(site))}, site.substr(0, 8) + '…'), ' '
1727    ] : '',
1728    root ? [
1729      'to ', h('a', {href: this.toUrl(root)}, root.substr(0, 8) + '…')
1730    ] : ''
1731  ), cb)
1732}
1733
1734RenderMsg.prototype.poll = function (cb) {
1735  var self = this
1736  var closeDate = new Date(self.c.closesAt)
1737  var details = self.c.pollDetails || self.c.details || {}
1738  var choices = u.toArray(details.choices)
1739  return self.wrap(h('div',
1740    h('h3', {innerHTML: unwrapP(self.render.markdown(self.c.title))}),
1741    h('div', {innerHTML: unwrapP(self.render.markdown(self.c.body, self.c.mentions))}),
1742    details.type === 'chooseOne' ?  h('form', {method: 'post', action: ''},
1743      h('input', {type: 'hidden', name: 'action', value: 'poll-position'}),
1744      h('input', {type: 'hidden', name: 'poll_root', value: self.msg.key}),
1745      h('input', {type: 'hidden', name: 'poll_type', value: 'chooseOne'}),
1746      choices.map(function (choice) {
1747        return [h('input', {type: 'submit', name: 'poll_choice', value: choice}), ' ']
1748      })
1749    ) : h('div', 'unknown poll type'),
1750    h('p', 'closes at: ', h('span', {
1751      title: closeDate.toLocaleString()
1752    }, closeDate.toString()))
1753  ), cb)
1754}
1755
1756RenderMsg.prototype.pollPosition = function (cb) {
1757  var self = this
1758  var details = self.c.pollDetails || self.c.details || {}
1759  var reason = self.c.reason || ''
1760  var done = multicb({pluck: 1, spread: true})
1761  self.link(self.c.root, done())
1762  self.links(self.c.branch, done())
1763  var msgCb = done()
1764  self.app.getMsg(self.c.root, function (err, msg) {
1765    // ignore error getting root message... it's not that important
1766    msgCb(null, msg)
1767  })
1768  done(function (err, rootLink, branchLinks, rootMsg) {
1769    if (err) return cb(err)
1770    var rootContent = rootMsg && rootMsg.value.content || {}
1771    var rootDetails = rootContent.pollDetails || rootContent.details || {}
1772    var choices = u.toArray(rootDetails.choices)
1773    var choice = details.choice && choices && choices[details.choice]
1774    return self.wrap(h('div',
1775      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
1776      branchLinks.map(function (a, i) {
1777        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
1778      }),
1779      h('p',
1780        'picked ',
1781        choice ? h('q', choice) : ['choice ', details.choice || '?']
1782      ),
1783      reason ? h('div', {innerHTML: self.render.markdown(reason, self.c.mentions)}) : ''
1784    ), cb)
1785  })
1786}
1787

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