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cel / patchfoo



Tree: 5a3673608fbc233af6d2ea2e7988040f29b2f6e2

Files: 5a3673608fbc233af6d2ea2e7988040f29b2f6e2 / lib / render-msg.js

41079 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.value = msg && msg.value || {}
14  var content = this.value.content
15  this.c = content || {}
16  this.isMissing = !content
17
18  if (typeof opts === 'boolean') opts = {raw: opts}
19  this.opts = opts || {}
20  this.shouldWrap = this.opts.wrap !== false
21}
22
23RenderMsg.prototype.toUrl = function (href) {
24  return this.render.toUrl(href)
25}
26
27RenderMsg.prototype.linkify = function (text) {
28  return this.render.linkify(text)
29}
30
31function token() {
32  return '__' + Math.random().toString(36).substr(2) + '__'
33}
34
35RenderMsg.prototype.raw = function (cb) {
36  // linkify various things in the JSON. TODO: abstract this better
37
38  // clone the message for linkifying
39  var m = {}, k
40  for (k in this.msg) m[k] = this.msg[k]
41  m.value = {}
42  for (k in this.msg.value) m.value[k] = this.msg.value[k]
43  var tokens = {}
44
45  // link to feed starting from this message
46  if (m.value.sequence) {
47    var tok = token()
48    tokens[tok] = h('a', {href:
49      this.toUrl(m.value.author + '?gt=' + (m.value.sequence-1))},
50      m.value.sequence)
51    m.value.sequence = tok
52  }
53
54  if (typeof m.value.content === 'object' && m.value.content != null) {
55    var c = m.value.content = {}
56    for (k in this.c) c[k] = this.c[k]
57
58    // link to messages of same type
59    tok = token()
60    tokens[tok] = h('a', {href: this.toUrl('/type/' + c.type)}, c.type)
61    c.type = tok
62
63    // link to channel
64    if (c.channel) {
65      tok = token()
66      tokens[tok] = h('a', {href: this.toUrl('#' + c.channel)}, c.channel)
67      c.channel = tok
68    }
69  }
70
71  // link refs
72  var els = this.linkify(JSON.stringify(m, 0, 2))
73
74  // stitch it all together
75  for (var i = 0; i < els.length; i++) {
76    if (typeof els[i] === 'string') {
77      for (var tok in tokens) {
78        if (els[i].indexOf(tok) !== -1) {
79          var parts = els[i].split(tok)
80          els.splice(i, 1, parts[0], tokens[tok], parts[1])
81          continue
82        }
83      }
84    }
85  }
86  this.wrap(h('pre', els), cb)
87}
88
89RenderMsg.prototype.wrap = function (content, cb) {
90  if (!this.shouldWrap) return cb(null, content)
91  var date = new Date(this.msg.value.timestamp)
92  var self = this
93  var channel = this.c.channel ? '#' + this.c.channel : ''
94  var done = multicb({pluck: 1, spread: true})
95  done()(null, [h('tr.msg-row',
96    h('td.msg-left', {rowspan: 2},
97      h('div', this.render.avatarImage(this.msg.value.author, done())),
98      h('div', this.render.idLink(this.msg.value.author, done())),
99      this.recpsLine(done())
100    ),
101    h('td.msg-main',
102      h('div.msg-header',
103        h('a.ssb-timestamp', {
104          title: date.toLocaleString(),
105          href: this.msg.key ? this.toUrl(this.msg.key) : undefined
106        }, htime(date)), ' ',
107        h('code', h('a.ssb-id',
108          {href: this.toUrl(this.msg.key)}, this.msg.key)),
109        channel ? [' ', h('a', {href: this.toUrl(channel)}, channel)] : '')),
110    h('td.msg-right', this.actions())
111  ), h('tr',
112    h('td.msg-content', {colspan: 2},
113      this.issues(done()),
114      content)
115  )])
116  done(cb)
117}
118
119RenderMsg.prototype.wrapMini = function (content, cb) {
120  if (!this.shouldWrap) return cb(null, content)
121  var date = new Date(this.value.timestamp)
122  var self = this
123  var channel = this.c.channel ? '#' + this.c.channel : ''
124  var done = multicb({pluck: 1, spread: true})
125  done()(null, h('tr.msg-row',
126    h('td.msg-left',
127      this.render.idLink(this.value.author, done()), ' ',
128      this.recpsLine(done()),
129      channel ? [h('a', {href: this.toUrl(channel)}, channel), ' '] : ''),
130    h('td.msg-main',
131      h('a.ssb-timestamp', {
132        title: date.toLocaleString(),
133        href: this.msg.key ? this.toUrl(this.msg.key) : undefined
134      }, htime(date)), ' ',
135      this.issues(done()),
136      content),
137    h('td.msg-right', this.actions())
138  ))
139  done(cb)
140}
141
142RenderMsg.prototype.actions = function () {
143  return this.msg.key ?
144    h('form', {method: 'post', action: ''},
145      this.msg.rel ? [this.msg.rel, ' '] : '',
146      this.opts.withGt && this.msg.timestamp ? [
147        h('a', {href: '?gt=' + this.msg.timestamp}, '↓'), ' '] : '',
148      this.c.type === 'gathering' ? [
149        h('a', {href: this.render.toUrl('/about/' + encodeURIComponent(this.msg.key))}, 'about'), ' '] : '',
150      /^(ssb_)?chess_/.test(this.c.type) ? [
151        h('a', {href: this.toUrl(this.msg.key) + '?full',
152	  title: 'view full game board'}, 'full'), ' '] : '',
153      typeof this.c.text === 'string' ? [
154        h('a', {href: this.toUrl(this.msg.key) + '?raw=md',
155          title: 'view markdown source'}, 'md'), ' '] : '',
156      h('a', {href: this.toUrl(this.msg.key) + '?raw',
157        title: 'view raw message'}, 'raw'), ' ',
158      this.buttonsCommon(),
159      this.c.type === 'gathering' ? [this.attendButton(), ' '] : '',
160      this.voteButton('dig')
161  ) : [
162    this.msg.rel ? [this.msg.rel, ' '] : ''
163  ]
164}
165
166RenderMsg.prototype.sync = function (cb) {
167  cb(null, h('tr.msg-row', h('td', {colspan: 3},
168    h('hr')
169  )))
170}
171
172RenderMsg.prototype.recpsLine = function (cb) {
173  if (!this.value.private) return cb(), ''
174  var author = this.value.author
175  var recpsNotSelf = u.toArray(this.c.recps).filter(function (link) {
176    return u.linkDest(link) !== author
177  })
178  return this.render.privateLine(recpsNotSelf, cb)
179}
180
181RenderMsg.prototype.recpsIds = function () {
182  return this.value.private
183    ? u.toArray(this.c.recps).map(u.linkDest)
184    : []
185}
186
187RenderMsg.prototype.buttonsCommon = function () {
188  var chan = this.msg.value.content.channel
189  var recps = this.recpsIds()
190  return [
191    chan ? h('input', {type: 'hidden', name: 'channel', value: chan}) : '',
192    h('input', {type: 'hidden', name: 'link', value: this.msg.key}),
193    h('input', {type: 'hidden', name: 'recps', value: recps.join(',')})
194  ]
195}
196
197RenderMsg.prototype.voteButton = function (expression) {
198  var chan = this.msg.value.content.channel
199  return [
200    h('input', {type: 'hidden', name: 'vote_value', value: 1}),
201    h('input', {type: 'hidden', name: 'vote_expression', value: expression}),
202    h('input', {type: 'submit', name: 'action_vote', value: expression})]
203}
204
205RenderMsg.prototype.attendButton = function () {
206  var chan = this.msg.value.content.channel
207  return [
208    h('input', {type: 'submit', name: 'action_attend', value: 'attend'})
209  ]
210}
211
212RenderMsg.prototype.message = function (cb) {
213  if (this.opts.raw) return this.raw(cb)
214  if (this.msg.sync) return this.sync(cb)
215  if (typeof this.c === 'string') return this.encrypted(cb)
216  if (this.isMissing) return this.missing(cb)
217  switch (this.c.type) {
218    case 'post': return this.post(cb)
219    case 'ferment/like':
220    case 'robeson/like':
221    case 'vote': return this.vote(cb)
222    case 'about': return this.about(cb)
223    case 'contact': return this.contact(cb)
224    case 'pub': return this.pub(cb)
225    case 'channel': return this.channel(cb)
226    case 'git-repo': return this.gitRepo(cb)
227    case 'git-update': return this.gitUpdate(cb)
228    case 'pull-request': return this.gitPullRequest(cb)
229    case 'issue': return this.issue(cb)
230    case 'issue-edit': return this.issueEdit(cb)
231    case 'music-release-cc': return this.musicRelease(cb)
232    case 'ssb-dns': return this.dns(cb)
233    case 'gathering': return this.gathering(cb)
234    case 'micro': return this.micro(cb)
235    case 'ferment/audio':
236    case 'robeson/audio':
237      return this.audio(cb)
238    case 'ferment/repost':
239    case 'robeson/repost':
240      return this.repost(cb)
241    case 'ferment/update':
242    case 'robeson/update':
243      return this.update(cb)
244    case 'chess_invite':
245    case 'ssb_chess_invite':
246      return this.chessInvite(cb)
247    case 'chess_invite_accept':
248    case 'ssb_chess_invite_accept':
249      return this.chessInviteAccept(cb)
250    case 'chess_move':
251    case 'ssb_chess_move':
252      return this.chessMove(cb)
253    case 'chess_game_end':
254    case 'ssb_chess_game_end':
255      return this.chessGameEnd(cb)
256    case 'chess_chat':
257      return this.chessChat(cb)
258    case 'wifi-network': return this.wifiNetwork(cb)
259    case 'mutual/credit': return this.mutualCredit(cb)
260    case 'mutual/account': return this.mutualAccount(cb)
261    case 'npm-publish': return this.npmPublish(cb)
262    case 'npm-packages': return this.npmPackages(cb)
263    case 'npm-prebuilds': return this.npmPrebuilds(cb)
264    case 'acme-challenges-http-01': return this.acmeChallengesHttp01(cb)
265    case 'bookclub': return this.bookclub(cb)
266    default: return this.object(cb)
267  }
268}
269
270RenderMsg.prototype.encrypted = function (cb) {
271  this.wrapMini(this.render.lockIcon(), cb)
272}
273
274RenderMsg.prototype.markdown = function (cb) {
275  if (this.opts.markdownSource)
276    return this.markdownSource(this.c.text, this.c.mentions)
277  return this.render.markdown(this.c.text, this.c.mentions)
278}
279
280RenderMsg.prototype.markdownSource = function (text, mentions) {
281  return h('div',
282    h('pre', String(text)),
283    mentions ? [
284      h('div', h('em', 'mentions:')),
285      this.valueTable(mentions, 2, function () {})
286    ] : ''
287  ).innerHTML
288}
289
290RenderMsg.prototype.post = function (cb) {
291  var self = this
292  var done = multicb({pluck: 1, spread: true})
293  if (self.c.root === self.c.branch) done()()
294  else self.link(self.c.root, done())
295  self.links(self.c.branch, done())
296  self.links(self.c.fork, done())
297  done(function (err, rootLink, branchLinks, forkLinks) {
298    if (err) return self.wrap(u.renderError(err), cb)
299    self.wrap(h('div.ssb-post',
300      rootLink ? h('div', h('small', h('span.symbol', '→'), ' ', rootLink)) : '',
301      branchLinks.map(function (a, i) {
302        return h('div', h('small', h('span.symbol', '  ↳'), ' ', a))
303      }),
304      forkLinks.map(function (a, i) {
305        return h('div', h('small', h('span.symbol', '⑂'), ' ', a))
306      }),
307      h('div.ssb-post-text', {innerHTML: self.markdown()})
308    ), cb)
309  })
310}
311
312RenderMsg.prototype.vote = function (cb) {
313  var self = this
314  var v = self.c.vote || self.c.like || {}
315  self.link(v, function (err, a) {
316    if (err) return cb(err)
317    self.wrapMini([
318      v.value > 0 ? 'dug' : v.value < 0 ? 'downvoted' : 'undug',
319      ' ', a,
320      v.reason ? [' as ', h('q', v.reason)] : ''
321    ], cb)
322  })
323}
324
325RenderMsg.prototype.getName = function (id, cb) {
326  switch (id && id[0]) {
327    case '%': return this.getMsgName(id, cb)
328    case '@': // fallthrough
329    case '&': return this.getAboutName(id, cb)
330    default: return cb(null, String(id))
331  }
332}
333
334RenderMsg.prototype.getMsgName = function (id, cb) {
335  var self = this
336  self.app.getMsg(id, function (err, msg) {
337    if (err && err.name == 'NotFoundError')
338      cb(null, id.substring(0, 10)+'...(missing)')
339    else if (err) cb(err)
340      // preserve security: only decrypt the linked message if we decrypted
341      // this message
342    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
343    else gotMsg(null, msg)
344  })
345  function gotMsg(err, msg) {
346    if (err) return cb(err)
347    new RenderMsg(self.render, self.app, msg, {wrap: false}).title(cb)
348  }
349}
350
351function truncate(str, len) {
352  str = String(str)
353  return str.length > len ? str.substr(0, len) + '...' : str
354}
355
356function title(str) {
357  return truncate(mdInline(str), 72)
358}
359
360RenderMsg.prototype.title = function (cb) {
361  var self = this
362  self.app.filterMsg(self.msg, self.opts, function (err, show) {
363    if (err) return cb(err)
364    if (show) self.title1(cb)
365    else cb(null, '[…]')
366  })
367}
368
369RenderMsg.prototype.title1 = function (cb) {
370  var self = this
371  if (!self.c || typeof self.c !== 'object') {
372    cb(null, self.msg.key)
373  } else if (typeof self.c.text === 'string') {
374    if (self.c.type === 'post')
375      cb(null, title(self.c.text))
376    else
377      cb(null, '%' + self.c.type + ': ' + (self.c.title || title(self.c.text)))
378  } else {
379    if (self.c.type === 'ssb-dns')
380      cb(null, self.c.record && JSON.stringify(self.c.record.data) || self.msg.key)
381    else if (self.c.type === 'npm-publish')
382      self.npmPublishTitle(cb)
383    else if (self.c.type === 'chess_chat')
384      cb(null, title(self.c.msg))
385    else if (self.c.type === 'chess_invite')
386      self.chessInviteTitle(cb)
387    else if (self.c.type === 'bookclub')
388      self.bookclubTitle(cb)
389    else
390    self.app.getAbout(self.msg.key, function (err, about) {
391      if (err) return cb(err)
392      var name = about.name || about.title || about.description
393      if (name) return cb(null, name)
394      self.message(function (err, el) {
395        if (err) return cb(err)
396        cb(null, '%' + title(h('div', el).textContent))
397      })
398    })
399  }
400}
401
402RenderMsg.prototype.getAboutName = function (id, cb) {
403  this.app.getAbout(id, function (err, about) {
404    cb(err, about && about.name || (String(id).substr(0, 8) + '…'))
405  })
406}
407
408RenderMsg.prototype.link = function (link, cb) {
409  var self = this
410  var ref = u.linkDest(link)
411  if (!ref) return cb(null, '')
412  self.getName(ref, function (err, name) {
413    if (err) name = truncate(ref, 10)
414    cb(null, h('a', {href: self.toUrl(ref)}, name))
415  })
416}
417
418RenderMsg.prototype.link1 = function (link, cb) {
419  var self = this
420  var ref = u.linkDest(link)
421  if (!ref) return cb(), ''
422  var a = h('a', {href: self.toUrl(ref)}, ref)
423  self.getName(ref, function (err, name) {
424    if (err) name = ref
425    a.childNodes[0].textContent = name
426    cb()
427  })
428  return a
429}
430
431RenderMsg.prototype.links = function (links, cb) {
432  var self = this
433  var done = multicb({pluck: 1})
434  u.toArray(links).forEach(function (link) {
435    self.link(link, done())
436  })
437  done(cb)
438}
439
440function dateTime(d) {
441  var date = new Date(d.epoch)
442  return date.toString()
443  // d.bias
444  // d.epoch
445}
446
447// TODO: make more DRY
448var knownAboutProps = {
449  type: true,
450  root: true,
451  about: true,
452  attendee: true,
453  about: true,
454  image: true,
455  description: true,
456  name: true,
457  title: true,
458  attendee: true,
459  startDateTime: true,
460  endDateTime: true,
461  location: true,
462  /*
463  rating: true,
464  ratingType: true,
465  */
466}
467
468RenderMsg.prototype.about = function (cb) {
469  var keys = Object.keys(this.c).sort().join()
470  var isSelf = this.c.about === this.msg.value.author
471
472  if (keys === 'about,name,type') {
473    return this.wrapMini([
474      isSelf ?
475        'self-identifies as ' :
476        ['identifies ', h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)), ' as '],
477      h('ins', this.c.name)
478    ], cb)
479  }
480
481  var done = multicb({pluck: 1, spread: true})
482  var elCb = done()
483
484  var isAttendingMsg = u.linkDest(this.c.attendee) === this.msg.value.author
485    && keys === 'about,attendee,type'
486  if (isAttendingMsg) {
487    var attending = !this.c.attendee.remove
488    this.wrapMini([
489      attending ? ' is attending' : ' is not attending', ' ',
490      this.link1(this.c.about, done())
491      ], elCb)
492    return done(cb)
493  }
494
495  var extras
496  for (var k in this.c) {
497    if (this.c[k] !== null && this.c[k] !== '' && !knownAboutProps[k]) {
498      if (!extras) extras = {}
499      extras[k] = this.c[k]
500    }
501  }
502
503  var img = u.linkDest(this.c.image)
504  // if there is a description, it is likely to be multi-line
505  var hasDescription = this.c.description != null
506  // if this about message gives the thing a name, show its id
507  var showComputedName = !isSelf && !this.c.name
508
509  this.wrap([
510    this.c.root ? h('div',
511      h('small', '> ', this.link1(this.c.root, done()))
512    ) : '',
513    isSelf ? 'self-describes as ' : [
514      'describes ',
515      !this.c.about ? ''
516        : showComputedName ? this.link1(this.c.about, done())
517        : h('a', {href: this.toUrl(this.c.about)}, truncate(this.c.about, 10)),
518      ' as '
519    ],
520    this.c.name ? [h('ins', this.c.name), ' '] : '',
521    this.c.description ? h('div',
522      {innerHTML: this.render.markdown(this.c.description)}) : '',
523    this.c.title ? h('h3', this.c.title) : '',
524    this.c.attendee ? h('div',
525      this.link1(this.c.attendee.link, done()),
526      this.c.attendee.remove ? ' is not attending' : ' is attending'
527    ) : '',
528    this.c.startDateTime ? h('div',
529      'starting at ', dateTime(this.c.startDateTime)) : '',
530    this.c.endDateTime ? h('div',
531      'ending at ', dateTime(this.c.endDateTime)) : '',
532    this.c.location ? h('div', 'at ', this.c.location) : '',
533    img ? h('a', {href: this.toUrl(img)},
534      h('img.ssb-avatar-image', {
535        src: this.render.imageUrl(img),
536        alt: ' ',
537      })) : '',
538    /*
539    this.c.rating != null ? this.aboutRating() : '',
540    */
541    extras ? this.valueTable(extras, 1, done())
542    : ''
543  ], elCb)
544  done(cb)
545}
546
547/*
548 * disabled until it's clearer how to do this -cel
549RenderMsg.prototype.aboutRating = function (cb) {
550  var rating = Number(this.c.rating)
551  var type = this.c.ratingType || '★'
552  var text = rating + ' ' + type
553  if (isNaN(rating)) return 'rating: ' + text
554  if (rating > 5) rating = 5
555  var el = h('div', {title: text})
556  for (var i = 0; i < rating; i++) {
557    el.appendChild(h('span',
558      {innerHTML: unwrapP(this.render.markdown(type) + ' ')}
559    ))
560  }
561  return el
562}
563*/
564
565RenderMsg.prototype.contact = function (cb) {
566  var self = this
567  self.link(self.c.contact, function (err, a) {
568    if (err) return cb(err)
569    if (!a) a = "?"
570      self.wrapMini([
571        self.c.following && self.c.autofollow ? 'follows pub' :
572        self.c.following && self.c.pub ? 'autofollows' :
573        self.c.following ? 'follows' :
574        self.c.blocking ? 'blocks' :
575        self.c.flagged ? 'flagged' :
576        self.c.following === false ? 'unfollows' :
577        self.c.blocking === false ? 'unblocks' : '',
578        self.c.flagged === false ? 'unflagged' :
579        ' ', a,
580        self.c.note ? [
581          ' from ',
582          h('code', self.c.note)
583        ] : '',
584        self.c.reason ? [' because ', h('q', self.c.reason)] : ''
585      ], cb)
586  })
587}
588
589RenderMsg.prototype.pub = function (cb) {
590  var self = this
591  var addr = self.c.address || {}
592  self.link(addr.key, function (err, pubLink) {
593    if (err) return cb(err)
594      self.wrapMini([
595        'connects to ', pubLink, ' at ',
596        h('code', addr.host + ':' + addr.port)], cb)
597  })
598}
599
600RenderMsg.prototype.channel = function (cb) {
601  var chan = '#' + this.c.channel
602  this.wrapMini([
603    this.c.subscribed ? 'subscribes to ' :
604    this.c.subscribed === false ? 'unsubscribes from ' : '',
605    h('a', {href: this.toUrl(chan)}, chan)], cb)
606}
607
608RenderMsg.prototype.gitRepo = function (cb) {
609  var self = this
610  var id = self.msg.key
611  var name = self.c.name
612  var upstream = self.c.upstream
613  self.link(upstream, function (err, upstreamA) {
614    if (err) upstreamA = ('a', {href: self.toUrl(upstream)}, String(name))
615    self.wrapMini([
616      upstream ? ['forked ', upstreamA, ': '] : '',
617      'git clone ',
618      h('code', h('small', 'ssb://' + id)),
619      name ? [' ', h('a', {href: self.toUrl(id)}, String(name))] : ''
620    ], cb)
621  })
622}
623
624RenderMsg.prototype.gitUpdate = function (cb) {
625  var self = this
626  // h('a', {href: self.toUrl(self.c.repo)}, 'ssb://' + self.c.repo),
627  var size = [].concat(self.c.packs, self.c.indexes)
628    .map(function (o) { return o && o.size })
629    .reduce(function (total, s) { return total + s })
630
631  var done = multicb({pluck: 1, spread: true})
632  self.link(self.c.repo, done())
633  self.render.npmPackageMentions(self.c.mentions, done())
634  self.render.npmPrebuildMentions(self.c.mentions, done())
635  done(function (err, a, pkgMentionsEl, prebuildMentionsEl) {
636    if (err) return cb(err)
637      self.wrap(h('div.ssb-git-update',
638        'git push ', a, ' ',
639        !isNaN(size) ? [self.render.formatSize(size), ' '] : '',
640        self.c.refs ? h('ul', Object.keys(self.c.refs).map(function (ref) {
641          var id = self.c.refs[ref]
642          var type = /^refs\/tags/.test(ref) ? 'tag' : 'commit'
643          var path = id && ('/git/' + type + '/' + encodeURIComponent(id)
644            + '?msg=' + encodeURIComponent(self.msg.key))
645          return h('li',
646            ref.replace(/^refs\/(heads|tags)\//, ''), ': ',
647            id ? h('a', {href: self.render.toUrl(path)}, h('code', id))
648               : h('em', 'deleted'))
649      })) : '',
650      Array.isArray(self.c.commits) ?
651        h('ul', self.c.commits.map(function (commit) {
652          var path = '/git/commit/' + encodeURIComponent(commit.sha1)
653            + '?msg=' + encodeURIComponent(self.msg.key)
654          return h('li', h('a', {href: self.render.toUrl(path)},
655            h('code', String(commit.sha1).substr(0, 8))), ' ',
656            self.linkify(String(commit.title)),
657            self.render.gitCommitBody(commit.body)
658          )
659        })) : '',
660      Array.isArray(self.c.tags) ?
661        h('ul', self.c.tags.map(function (tag) {
662          var path = '/git/tag/' + encodeURIComponent(tag.sha1)
663            + '?msg=' + encodeURIComponent(self.msg.key)
664          return h('li',
665            h('a', {href: self.render.toUrl(path)},
666              h('code', String(tag.sha1).substr(0, 8))), ' ',
667            'tagged ', String(tag.type), ' ',
668            h('code', String(tag.object).substr(0, 8)), ' ',
669            String(tag.tag),
670            tag.title ? [': ', self.linkify(String(tag.title).trim()), ' '] : '',
671            tag.body ? self.render.gitCommitBody(tag.body) : ''
672          )
673        })) : '',
674        self.c.commits_more ? h('div',
675          '+ ' + self.c.commits_more + ' more commits') : '',
676        self.c.tags_more ? h('div',
677          '+ ' + self.c.tags_more + ' more tags') : '',
678	pkgMentionsEl,
679	prebuildMentionsEl
680    ), cb)
681  })
682}
683
684RenderMsg.prototype.gitPullRequest = function (cb) {
685  var self = this
686  var done = multicb({pluck: 1, spread: true})
687  self.link(self.c.repo, done())
688  self.link(self.c.head_repo, done())
689  done(function (err, baseRepoLink, headRepoLink) {
690    if (err) return cb(err)
691    self.wrap(h('div.ssb-pull-request',
692      'pull request ',
693      'to ', baseRepoLink, ':', self.c.branch, ' ',
694      'from ', headRepoLink, ':', self.c.head_branch,
695      self.c.title ? h('h4', self.c.title) : '',
696      h('div', {innerHTML: self.markdown()})), cb)
697  })
698}
699
700RenderMsg.prototype.issue = function (cb) {
701  var self = this
702  self.link(self.c.project, function (err, projectLink) {
703    if (err) return cb(err)
704    self.wrap(h('div.ssb-issue',
705      'issue on ', projectLink,
706      self.c.title ? h('h4', self.c.title) : '',
707      h('div', {innerHTML: self.markdown()})), cb)
708  })
709}
710
711RenderMsg.prototype.issueEdit = function (cb) {
712  this.wrap('', cb)
713}
714
715RenderMsg.prototype.object = function (cb) {
716  var done = multicb({pluck: 1, spread: true})
717  var elCb = done()
718  this.wrap([
719    this.valueTable(this.c, 1, done()),
720  ], elCb)
721  done(cb)
722}
723
724RenderMsg.prototype.valueTable = function (val, depth, cb) {
725  var isContent = depth === 1
726  var self = this
727  switch (typeof val) {
728    case 'object':
729      if (val === null) return cb(), ''
730      var done = multicb({pluck: 1, spread: true})
731      var el = Array.isArray(val)
732        ? h('ul', val.map(function (item) {
733          return h('li', self.valueTable(item, depth + 1, done()))
734        }))
735        : h('table.ssb-object', Object.keys(val).map(function (key) {
736          if (key === 'text') {
737            return h('tr',
738              h('td', h('strong', 'text')),
739              h('td', h('div', {
740                innerHTML: self.render.markdown(val.text, val.mentions)
741              }))
742            )
743          } else if (isContent && key === 'type') {
744	    // TODO: also link to images by type, using links2
745            var type = val.type
746            return h('tr',
747              h('td', h('strong', 'type')),
748              h('td', h('a', {href: self.toUrl('/type/' + type)}, type))
749            )
750          }
751          return h('tr',
752            h('td', h('strong', key)),
753            h('td', self.valueTable(val[key], depth + 1, done()))
754          )
755        }))
756      done(cb)
757      return el
758    case 'string':
759      if (u.isRef(val)) return self.link1(val, cb)
760      return cb(), self.linkify(val)
761    case 'boolean':
762      return cb(), h('input', {
763        type: 'checkbox', disabled: 'disabled', checked: val
764      })
765    default:
766      return cb(), String(val)
767  }
768}
769
770RenderMsg.prototype.missing = function (cb) {
771  this.wrapMini(h('code', 'MISSING'), cb)
772}
773
774RenderMsg.prototype.issues = function (cb) {
775  var self = this
776  var done = multicb({pluck: 1, spread: true})
777  var issues = u.toArray(self.c.issues)
778  if (self.c.type === 'issue-edit' && self.c.issue) {
779    issues.push({
780      link: self.c.issue,
781      title: self.c.title,
782      open: self.c.open,
783    })
784  }
785  var els = issues.map(function (issue) {
786    var commit = issue.object || issue.label ? [
787      issue.object ? h('code', issue.object) : '', ' ',
788      issue.label ? h('q', issue.label) : ''] : ''
789    if (issue.merged === true)
790      return h('div',
791        'merged ', self.link1(issue, done()))
792    if (issue.open === false)
793      return h('div',
794        'closed ', self.link1(issue, done()))
795    if (issue.open === true)
796      return h('div',
797        'reopened ', self.link1(issue, done()))
798    if (typeof issue.title === 'string')
799      return h('div',
800        'renamed ', self.link1(issue, done()), ' to ', h('ins', issue.title))
801  })
802  done(cb)
803  return els.length > 0 ? [els, h('br')] : ''
804}
805
806RenderMsg.prototype.repost = function (cb) {
807  var self = this
808  var id = u.linkDest(self.c.repost)
809  self.app.getMsg(id, function (err, msg) {
810    if (err && err.name == 'NotFoundError')
811      gotMsg(null, id.substring(0, 10)+'...(missing)')
812    else if (err) gotMsg(err)
813    else if (self.msg.value.private) self.app.unboxMsg(msg, gotMsg)
814    else gotMsg(null, msg)
815  })
816  function gotMsg(err, msg) {
817    if (err) return cb(err)
818    var renderMsg = new RenderMsg(self.render, self.app, msg, {wrap: false})
819      renderMsg.message(function (err, msgEl) {
820        self.wrapMini(['reposted ',
821          h('code.ssb-id',
822            h('a', {href: self.render.toUrl(id)}, id)),
823          h('div', err ? u.renderError(err) : msgEl || '')
824        ], cb)
825    })
826  }
827}
828
829RenderMsg.prototype.update = function (cb) {
830  var id = String(this.c.update)
831  this.wrapMini([
832    h('div', 'updated ', h('code.ssb-id',
833      h('a', {href: this.render.toUrl(id)}, id))),
834    this.c.title ? h('h4.msg-title', this.c.title) : '',
835    this.c.description ? h('div',
836      {innerHTML: this.render.markdown(this.c.description)}) : ''
837  ], cb)
838}
839
840function formatDuration(s) {
841  return Math.floor(s / 60) + ':' + ('0' + s % 60).substr(-2)
842}
843
844RenderMsg.prototype.audio = function (cb) {
845  // fileName, fallbackFileName, overview
846  this.wrap(h('table', h('tr',
847    h('td',
848      this.c.artworkSrc
849      ? h('a', {href: this.render.toUrl(this.c.artworkSrc)}, h('img', {
850          src: this.render.imageUrl(this.c.artworkSrc),
851          alt: ' ',
852          width: 72,
853          height: 72,
854        }))
855      : ''),
856    h('td',
857      h('a', {href: this.render.toUrl(this.c.audioSrc)}, this.c.title),
858      isFinite(this.c.duration)
859        ? ' (' + formatDuration(this.c.duration) + ')'
860        : '',
861      this.c.description
862        ? h('p', {innerHTML: this.render.markdown(this.c.description)})
863        : ''
864  ))), cb)
865}
866
867RenderMsg.prototype.musicRelease = function (cb) {
868  var self = this
869  this.wrap([
870    h('table', h('tr',
871      h('td',
872        this.c.cover
873          ? h('a', {href: this.render.imageUrl(this.c.cover)}, h('img', {
874              src: this.render.imageUrl(this.c.cover),
875              alt: ' ',
876              width: 72,
877              height: 72,
878            }))
879          : ''),
880      h('td',
881        h('h4.msg-title', this.c.title),
882        this.c.text
883          ? h('div', {innerHTML: this.render.markdown(this.c.text)})
884          : ''
885      )
886    )),
887    h('ul', u.toArray(this.c.tracks).filter(Boolean).map(function (track) {
888      return h('li',
889        h('a', {href: self.render.toUrl(track.link)}, track.fname))
890    }))
891  ], cb)
892}
893
894RenderMsg.prototype.dns = function (cb) {
895  var self = this
896  var record = self.c.record || {}
897  var done = multicb({pluck: 1, spread: true})
898  var elCb = done()
899  self.wrap([
900    h('div',
901      h('p',
902        h('ins', {title: 'name'}, record.name), ' ',
903        h('span', {title: 'ttl'}, record.ttl), ' ',
904        h('span', {title: 'class'}, record.class), ' ',
905        h('span', {title: 'type'}, record.type)
906      ),
907      h('pre', {title: 'data'},
908        JSON.stringify(record.data || record.value, null, 2)),
909      !self.c.branch ? null : h('div',
910        'replaces: ', u.toArray(self.c.branch).map(function (id, i) {
911          return [self.link1(id, done()), i === 0 ? ', ' : '']
912        })
913      )
914    )
915  ], elCb)
916  done(cb)
917}
918
919RenderMsg.prototype.wifiNetwork = function (cb) {
920  var net = this.c.network || {}
921  this.wrap([
922    h('div', 'wifi network'),
923    h('table',
924      Object.keys(net).map(function (key) {
925        return h('tr',
926          h('td', key),
927          h('td', h('pre', JSON.stringify(net[key]))))
928      })
929    ),
930  ], cb)
931}
932
933RenderMsg.prototype.mutualCredit = function (cb) {
934  var self = this
935  self.link(self.c.account, function (err, a) {
936    if (err) return cb(err)
937    self.wrapMini([
938      'credits ', a || '?', ' ',
939      self.c.amount, ' ', self.c.currency,
940      self.c.memo ? [' for ', h('q', self.c.memo)] : ''
941    ], cb)
942  })
943}
944
945RenderMsg.prototype.mutualAccount = function (cb) {
946  return this.object(cb)
947}
948
949RenderMsg.prototype.gathering = function (cb) {
950  this.wrapMini('gathering', cb)
951}
952
953function unwrapP(html) {
954  return String(html).replace(/^<p>(.*)<\/p>\s*$/, function ($0, $1) {
955    return $1
956  })
957}
958
959RenderMsg.prototype.micro = function (cb) {
960  var el = h('span', {innerHTML: unwrapP(this.markdown())})
961  this.wrapMini(el, cb)
962}
963
964function hJoin(els, seperator, lastSeparator) {
965  return els.map(function (el, i) {
966    return [i === 0 ? '' : i === els.length-1 ? lastSeparator : seperator, el]
967  })
968}
969
970function asNpmReadme(readme) {
971  if (!readme || readme === 'ERROR: No README data found!') return
972  return u.ifString(readme)
973}
974
975function singleValue(obj) {
976  if (!obj || typeof obj !== 'object') return obj
977  var keys = Object.keys(obj)
978  if (keys.length === 1) return obj[keys[0]]
979}
980
981function ifDifferent(obj, value) {
982  if (singleValue(obj) !== value) return obj
983}
984
985RenderMsg.prototype.npmPublish = function (cb) {
986  var self = this
987  var render = self.render
988  var pkg = self.c.meta || {}
989  var pkgReadme = asNpmReadme(pkg.readme)
990  var pkgDescription = u.ifString(pkg.description)
991
992  var versions = Object.keys(pkg.versions || {})
993  var singleVersion = versions.length === 1 ? versions[0] : null
994  var singleRelease = singleVersion && pkg.versions[singleVersion]
995  var singleReadme = singleRelease && asNpmReadme(singleRelease.readme)
996
997  var distTags = pkg['dist-tags'] || {}
998  var distTagged = {}
999  for (var distTag in distTags)
1000    if (distTag !== 'latest')
1001      distTagged[distTags[distTag]] = distTag
1002
1003  self.links(self.c.previousPublish, function (err, prevLinks) {
1004    if (err) return cb(err)
1005    self.wrap([
1006      h('div',
1007        'published ',
1008        h('u', pkg.name), ' ',
1009        hJoin(versions.map(function (version) {
1010          var distTag = distTagged[version]
1011          return [h('b', version), distTag ? [' (', h('i', distTag), ')'] : '']
1012        }), ', ')
1013      ),
1014      pkgDescription ? h('div',
1015        // TODO: make mdInline use custom emojis
1016        h('q', {innerHTML: unwrapP(render.markdown(pkgDescription))})) : '',
1017      prevLinks.length ? h('div', 'previous: ', prevLinks) : '',
1018      pkgReadme && pkgReadme !== singleReadme ?
1019        h('blockquote', {innerHTML: render.markdown(pkgReadme)}) : '',
1020      versions.map(function (version, i) {
1021        var release = pkg.versions[version] || {}
1022        var license = u.ifString(release.license)
1023        var author = ifDifferent(release.author, self.msg.value.author)
1024        var description = u.ifString(release.description)
1025        var readme = asNpmReadme(release.readme)
1026        var keywords = u.toArray(release.keywords).map(u.ifString)
1027        var dist = release.dist || {}
1028        var size = u.ifNumber(dist.size)
1029        return [
1030          h > 0 ? h('br') : '',
1031          version !== singleVersion ? h('div', 'version: ', version) : '',
1032          author ? h('div', 'author: ', render.npmAuthorLink(author)) : '',
1033          license ? h('div', 'license: ', h('code', license)) : '',
1034          keywords.length ? h('div', 'keywords: ', keywords.join(', ')) : '',
1035          size ? h('div', 'size: ', render.formatSize(size)) : '',
1036          description && description !== pkgDescription ?
1037            h('div', h('q', {innerHTML: render.markdown(description)})) : '',
1038          readme ? h('blockquote', {innerHTML: render.markdown(readme)}) : ''
1039        ]
1040      })
1041    ], cb)
1042  })
1043}
1044
1045RenderMsg.prototype.npmPackages = function (cb) {
1046  var self = this
1047  self.render.npmPackageMentions(self.c.mentions, function (err, el) {
1048    if (err) return cb(err)
1049    self.wrap(el, cb)
1050  })
1051}
1052
1053RenderMsg.prototype.npmPrebuilds = function (cb) {
1054  var self = this
1055  self.render.npmPrebuildMentions(self.c.mentions, function (err, el) {
1056    if (err) return cb(err)
1057    self.wrap(el, cb)
1058  })
1059}
1060
1061RenderMsg.prototype.npmPublishTitle = function (cb) {
1062  var pkg = this.c.meta || {}
1063  var name = pkg.name || pkg._id || '?'
1064
1065  var taggedVersions = {}
1066  for (var version in pkg.versions || {})
1067    taggedVersions[version] = []
1068
1069  var distTags = pkg['dist-tags'] || {}
1070  for (var distTag in distTags) {
1071    if (distTag === 'latest') continue
1072    var version = distTags[distTag] || '?'
1073    var tags = taggedVersions[version] || (taggedVersions[version] = [])
1074    tags.push(distTag)
1075  }
1076
1077  cb(null, name + '@' + Object.keys(taggedVersions).map(function (version) {
1078    var tags = taggedVersions[version]
1079    return (tags.length ? tags.join(',') + ':' : '') + version
1080  }).join(','))
1081}
1082
1083function expandDigitToSpaces(n) {
1084  return '         '.substr(-n)
1085}
1086
1087function parseFenRank (line) {
1088  return line.replace(/\d/g, expandDigitToSpaces).split('')
1089}
1090
1091function parseChess(fen) {
1092  var fields = String(fen).split(/\s+/)
1093  var ranks = fields[0].split('/')
1094  var f2 = fields[2] || ''
1095  return {
1096    board: ranks.map(parseFenRank),
1097    /*
1098    nextMove: fields[1] === 'b' ? 'black'
1099            : fields[1] === 'w' ? 'white' : 'unknown',
1100    castling: f2 === '-' ? {} : {
1101      w: {
1102        k: 0 < f2.indexOf('K'),
1103        q: 0 < f2.indexOf('Q'),
1104      },
1105      b: {
1106        k: 0 < f2.indexOf('k'),
1107        q: 0 < f2.indexOf('q'),
1108      }
1109    },
1110    enpassantTarget: fields[3] === '-' ? null : fields[3],
1111    halfmoves: Number(fields[4]),
1112    fullmoves: Number(fields[5]),
1113    */
1114  }
1115}
1116
1117var chessSymbols = {
1118  ' ': [' ', ''],
1119  P: ['♙', 'white', 'pawn'],
1120  N: ['♘', 'white', 'knight'],
1121  B: ['♗', 'white', 'bishop'],
1122  R: ['♖', 'white', 'rook'],
1123  Q: ['♕', 'white', 'queen'],
1124  K: ['♔', 'white', 'king'],
1125  p: ['♟', 'black', 'pawn'],
1126  n: ['♞', 'black', 'knight'],
1127  b: ['♝', 'black', 'bishop'],
1128  r: ['♜', 'black', 'rook'],
1129  q: ['♛', 'black', 'queen'],
1130  k: ['♚', 'black', 'king'],
1131}
1132
1133function chessPieceName(c) {
1134  return chessSymbols[c] && chessSymbols[c][2] || '?'
1135}
1136
1137function renderChessSymbol(c, loc) {
1138  var info = chessSymbols[c] || ['?', '', 'unknown']
1139  return h('span.symbol', {
1140    title: info[1] + ' ' + info[2] + (loc ? ' at ' + loc : '')
1141  }, info[0])
1142}
1143
1144function chessLocToIdxs(loc) {
1145  var m = /^([a-h])([1-8])$/.exec(loc)
1146  if (m) return [8 - m[2], m[1].charCodeAt(0) - 97]
1147}
1148
1149function lookupPiece(board, loc) {
1150  var idxs = chessLocToIdxs(loc)
1151  return idxs && board[idxs[0]] && board[idxs[0]][idxs[1]]
1152}
1153
1154function chessIdxsToLoc(i, j) {
1155  return 'abcdefgh'[j] + (8-i)
1156}
1157
1158RenderMsg.prototype.chessBoard = function (board) {
1159  if (!board) return ''
1160  return h('table.chess-board',
1161    board.map(function (rank, i) {
1162      return h('tr', rank.map(function (piece, j) {
1163        var dark = (i ^ j) & 1
1164        return h('td', {
1165          class: 'chess-square chess-square-' + (dark ? 'dark' : 'light'),
1166        }, renderChessSymbol(piece, chessIdxsToLoc(i, j)))
1167      }))
1168    })
1169  )
1170}
1171
1172RenderMsg.prototype.chessMove = function (cb) {
1173  var self = this
1174  var c = self.c
1175  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1176  var game = parseChess(fen)
1177  var piece = game && lookupPiece(game.board, c.dest)
1178  self.link(self.c.root, function (err, rootLink) {
1179    if (err) return cb(err)
1180    self.wrap([
1181      h('div', h('small', '> ', rootLink)),
1182      h('p',
1183        // 'player ', (c.ply || ''), ' ',
1184        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1185        'from ', c.orig, ' ',
1186        'to ', c.dest
1187      ),
1188      self.chessBoard(game.board)
1189    ], cb)
1190  })
1191}
1192
1193RenderMsg.prototype.chessInvite = function (cb) {
1194  var self = this
1195  var myColor = self.c.myColor
1196  self.link(self.c.inviting, function (err, link) {
1197    if (err) return cb(err)
1198    self.wrap([
1199      'invites ', link, ' to play chess',
1200      // myColor ? h('p', 'my color is ' + myColor) : ''
1201    ], cb)
1202  })
1203}
1204
1205RenderMsg.prototype.chessInviteTitle = function (cb) {
1206  var self = this
1207  var done = multicb({pluck: 1, spread: true})
1208  self.getName(self.c.inviting, done())
1209  self.getName(self.msg.value.author, done())
1210  done(function (err, inviteeLink, inviterLink) {
1211    if (err) return cb(err)
1212    self.wrap([
1213      'chess: ', inviterLink, ' vs. ', inviteeLink
1214    ], cb)
1215  })
1216}
1217
1218RenderMsg.prototype.chessInviteAccept = function (cb) {
1219  var self = this
1220  self.link(self.c.root, function (err, rootLink) {
1221    if (err) return cb(err)
1222    self.wrap([
1223      h('div', h('small', '> ', rootLink)),
1224      h('p', 'accepts invitation to play chess')
1225    ], cb)
1226  })
1227}
1228
1229RenderMsg.prototype.chessGameEnd = function (cb) {
1230  var self = this
1231  var c = self.c
1232  if (c.status === 'resigned') return self.link(self.c.root, function (err, rootLink) {
1233    if (err) return cb(err)
1234    self.wrap([
1235      h('div', h('small', '> ', rootLink)),
1236      h('p', h('strong', 'resigned'))
1237    ], cb)
1238  })
1239
1240  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1241  var game = parseChess(fen)
1242  var piece = game && lookupPiece(game.board, c.dest)
1243  var done = multicb({pluck: 1, spread: true})
1244  self.link(self.c.root, done())
1245  self.link(self.c.winner, done())
1246  done(function (err, rootLink, winnerLink) {
1247    if (err) return cb(err)
1248    self.wrap([
1249      h('div', h('small', '> ', rootLink)),
1250      h('p',
1251        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1252        'from ', c.orig, ' ',
1253        'to ', c.dest
1254      ),
1255      h('p',
1256        h('strong', self.c.status), '. winner: ', h('strong', winnerLink)),
1257      self.chessBoard(game.board)
1258    ], cb)
1259  })
1260}
1261
1262RenderMsg.prototype.chessChat = function (cb) {
1263  var self = this
1264  self.link(self.c.root, function (err, rootLink) {
1265    if (err) return cb(err)
1266    self.wrap([
1267      h('div', h('small', '> ', rootLink)),
1268      h('p', self.c.msg)
1269    ], cb)
1270  })
1271}
1272
1273RenderMsg.prototype.chessMove = function (cb) {
1274  if (this.opts.full) return this.chessMoveFull(cb)
1275  return this.chessMoveMini(cb)
1276}
1277
1278RenderMsg.prototype.chessMoveFull = function (cb) {
1279  var self = this
1280  var c = self.c
1281  var fen = c.fen && c.fen.length === 2 ? c.pgnMove : c.fen
1282  var game = parseChess(fen)
1283  var piece = game && lookupPiece(game.board, c.dest)
1284  self.link(self.c.root, function (err, rootLink) {
1285    if (err) return cb(err)
1286    self.wrap([
1287      h('div', h('small', '> ', rootLink)),
1288      h('p',
1289        // 'player ', (c.ply || ''), ' ',
1290        'moved ', (piece ? renderChessSymbol(piece) : ''), ' ',
1291        'from ', c.orig, ' ',
1292        'to ', c.dest
1293      ),
1294      self.chessBoard(game.board)
1295    ], cb)
1296  })
1297}
1298
1299RenderMsg.prototype.chessMoveMini = 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.wrapMini([
1308      'moved ', chessPieceName(piece), ' ',
1309      'to ', c.dest
1310    ], cb)
1311  })
1312}
1313
1314RenderMsg.prototype.acmeChallengesHttp01 = function (cb) {
1315  var self = this
1316  self.wrapMini(h('span',
1317    'serves ',
1318    hJoin(u.toArray(self.c.challenges).map(function (challenge) {
1319      return h('a', {
1320	href: 'http://' + challenge.domain +
1321	  '/.well-known/acme-challenge/' + challenge.token,
1322	title: challenge.keyAuthorization,
1323      }, challenge.domain)
1324    }), ', ', ', and ')
1325  ), cb)
1326}
1327
1328RenderMsg.prototype.bookclub = function (cb) {
1329  var self = this
1330  var props = self.c.common || self.c
1331  var images = u.toLinkArray(props.image || props.images)
1332  self.wrap(h('table', h('tr',
1333    h('td',
1334      images.map(function (image) {
1335        return h('a', {href: self.render.toUrl(image.link)}, h('img', {
1336          src: self.render.imageUrl(image.link),
1337          alt: image.name || ' ',
1338          width: 180,
1339        }))
1340      })),
1341    h('td',
1342      h('h4', props.title),
1343      props.authors ?
1344        h('p', h('em', props.authors))
1345        : '',
1346      props.description
1347        ? h('div', {innerHTML: self.render.markdown(props.description)})
1348        : ''
1349    )
1350  )), cb)
1351}
1352
1353RenderMsg.prototype.bookclubTitle = function (cb) {
1354  var props = this.c.common || this.c
1355  cb(null, props.title || 'book')
1356}
1357

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