git ssb

1
var pull = require('pull-stream')
2
var paramap = require('pull-paramap')
3
var cat = require('pull-cat')
4
var many = require('pull-many')
5
var multicb = require('multicb')
6
var GitRepo = require('pull-git-repo')
7
var u = require('../../lib/util')
8
var markdown = require('../../lib/markdown')
9
var forms = require('../../lib/forms')
10
var ssbRef = require('ssb-ref')
11
12
module.exports = function (repoRoutes, web) {
13
  return new RepoPullReqRoutes(repoRoutes, web)
14
}
15
16
function RepoPullReqRoutes(repoRoutes, web) {
17
  this.repo = repoRoutes
18
  this.web = web
19
}
20
21
var P = RepoPullReqRoutes.prototype
22
23
/* Pull Request */
24
25
P.serveRepoPullReq = function (req, repo, pr, path, postId) {
26
  var self = this
27
  var headRepo, authorLink
28
  var page = path[0] || 'activity'
29
  var title = u.escape(pr.title) + ' · %{author}/%{repo}'
30
  return self.repo.renderRepoPage(req, repo, 'pulls', null, title, cat([
31
    pull.once('<div class="pull-request">' +
32
      '<h3>' + u.link([pr.id], pr.title) + '</h3>' +
33
      '<code>' + pr.id + '</code>'),
34
    u.readOnce(function (cb) {
35
      var done = multicb({ pluck: 1, spread: true })
36
      var gotHeadRepo = done()
37
      self.web.about.getName(pr.author, done())
38
      var sameRepo = (pr.headRepo == pr.baseRepo)
39
      self.web.getRepo(pr.headRepo, function (err, headRepo) {
40
        if (err) return cb(err)
41
        self.web.getRepoName(headRepo.feed, headRepo.id, done())
42
        self.web.about.getName(headRepo.feed, done())
43
        gotHeadRepo(null, GitRepo(headRepo))
44
      })
45
46
      done(function (err, _headRepo, issueAuthorName,
47
          headRepoName, headRepoAuthorName) {
48
        if (err) return cb(err)
49
        headRepo = _headRepo
50
        authorLink = u.link([pr.author], issueAuthorName)
51
        var repoLink = u.link([pr.headRepo], headRepoName)
52
        var headRepoAuthorLink = u.link([headRepo.feed], headRepoAuthorName)
53
        var headRepoLink = u.link([headRepo.id], headRepoName)
54
        var headBranchLink = u.link([headRepo.id, 'tree', pr.headBranch])
55
        var baseBranchLink = u.link([repo.id, 'tree', pr.baseBranch])
56
        cb(null, '<section class="collapse">' +
57
          '<strong class="issue-status ' +
58
          (pr.open ? 'open' : 'closed') + '">' +
59
          req._t(pr.open ? 'issue.state.Open' : 'issue.state.Closed') +
60
          '</strong> ' +
61
          req._t('pullRequest.WantToMerge', {
62
            name: authorLink,
63
            base: '<code>' + baseBranchLink + '</code>',
64
            head: (sameRepo ?
65
              '<code>' + headBranchLink + '</code>' :
66
              '<code class="bgslash">' +
67
                headRepoAuthorLink + ' / ' +
68
                headRepoLink + ' / ' +
69
                headBranchLink + '</code>')
70
          }) + '</section>')
71
      })
72
    }),
73
    u.nav([
74
      [[pr.id], req._t('Discussion'), 'activity'],
75
      [[pr.id, 'commits'], req._t('Commits'), 'commits'],
76
      [[pr.id, 'files'], req._t('Files'), 'files']
77
    ], page),
78
    u.readNext(function (cb) {
79
      if (page == 'commits')
80
        self.renderPullReqCommits(req, pr, repo, headRepo, cb)
81
      else if (page == 'files')
82
        self.renderPullReqFiles(req, pr, repo, headRepo, cb)
83
      else cb(null,
84
        self.renderPullReqActivity(req, pr, repo, headRepo, authorLink, postId))
85
    })
86
  ]))
87
}
88
89
P.renderPullReqCommits = function (req, pr, baseRepo, headRepo, cb) {
90
  var self = this
91
  self.web.pullReqs.getRevs(pr.id, function (err, revs) {
92
    if (err) return cb(err)
93
    if (!revs.head) return cb(null, pull.once('<section>' +
94
      req._t('pullRequest.NoCommits') + '</section>'))
95
    GitRepo.getMergeBase(baseRepo, revs.base, headRepo, revs.head,
96
      function (err, mergeBase) {
97
        if (err) return cb(err)
98
        cb(null, cat([
99
          pull.once('<section>'),
100
          self.renderCommitLog(req, baseRepo, mergeBase, headRepo, revs.head),
101
          pull.once('</section>')
102
        ]))
103
      }
104
    )
105
  })
106
}
107
108
P.renderPullReqFiles = function (req, pr, baseRepo, headRepo, cb) {
109
  var self = this
110
  self.web.pullReqs.getRevs(pr.id, function (err, revs) {
111
    if (err) return cb(err)
112
    if (!revs.head) return cb(null, pull.once('<section>' +
113
      req._t('pullRequest.NoChanges') + '</section>'))
114
    GitRepo.getMergeBase(baseRepo, revs.base, headRepo, revs.head,
115
      function (err, mergeBase) {
116
        if (err) return cb(err)
117
        cb(null, cat([
118
          pull.once('<section>'),
119
          self.repo.renderDiffStat(req,
120
            [baseRepo, headRepo], [mergeBase, revs.head]),
121
          pull.once('</section>')
122
        ]))
123
      }
124
    )
125
  })
126
}
127
128
P.renderPullReqActivity = function (req, pr, repo, headRepo, authorLink, postId) {
129
  var self = this
130
  var msgTimeLink = u.link([pr.id],
131
    new Date(pr.created_at).toLocaleString(req._locale))
132
  var newestMsg = {key: pr.id, value: {timestamp: pr.created_at}}
133
  return cat([
134
    u.readOnce(function (cb) {
135
      cb(null,
136
        '<section class="collapse">' +
137
          authorLink + ' &middot; ' + msgTimeLink +
138
          markdown(pr.text, repo) + '</section>')
139
    }),
140
    // render posts, edits, and updates
141
    pull(
142
      many([
143
        self.web.ssb.links({
144
          dest: pr.id,
145
          values: true
146
        }),
147
        pull(
148
          self.web.ssb.links({
149
            dest: headRepo.id,
150
            rel: 'repo',
151
            values: true,
152
            reverse: true
153
          }),
154
          pull.take(function (link) {
155
            return link.value.timestamp > pr.created_at
156
          }),
157
          pull.filter(function (link) {
158
            return link.value.content.type == 'git-update'
159
              && ('refs/heads/' + pr.headBranch) in link.value.content.refs
160
          })
161
        )
162
      ]),
163
      pull.unique('key'),
164
      u.decryptMessages(self.web.ssb),
165
      self.web.addAuthorName(),
166
      pull.through(function (msg) {
167
        if (msg.value
168
         && msg.value.timestamp > newestMsg.value.timestamp
169
         && msg.value.content.root === pr.id)
170
          newestMsg = msg
171
      }),
172
      u.sortMsgs(),
173
      pull.map(function (item) {
174
        if (item.value.content.type == 'git-update')
175
          return self.renderBranchUpdate(req, pr, item)
176
        return self.repo.issues.renderIssueActivityMsg(req, repo, pr,
177
          req._t('pull request'), postId, item)
178
      })
179
    ),
180
    !self.web.isPublic && pr.open && pull.once(
181
      '<section class="merge-instructions">' +
182
      '<input type="checkbox" class="toggle" id="merge-instructions"/>' +
183
      '<h4><label for="merge-instructions" class="toggle-link"><a>' +
184
      req._t('mergeInstructions.MergeViaCmdLine') +
185
      '</a></label></h4>' +
186
      '<div class="contents">' +
187
      '<p>' + req._t('mergeInstructions.CheckOut') + '</p>' +
188
      '<pre>' +
189
      'git fetch ssb://' + u.escape(pr.headRepo) + ' ' +
190
        u.escape(pr.headBranch) + '\n' +
191
      'git checkout -b ' + u.escape(pr.headBranch) + ' FETCH_HEAD' +
192
      '</pre>' +
193
      '<p>' + req._t('mergeInstructions.MergeAndPush') + '</p>' +
194
      '<pre>' +
195
      'git checkout ' + u.escape(pr.baseBranch) + '\n' +
196
      'git merge ' + u.escape(pr.headBranch) + '\n' +
197
      'git push ssb ' + u.escape(pr.baseBranch) +
198
      '</pre>' +
199
      '</div></section>'),
200
    !self.web.isPublic && u.readOnce(function (cb) {
201
      cb(null, forms.issueComment(req, pr, repo, newestMsg.key,
202
        req._t('pull request')))
203
    })
204
  ])
205
}
206
207
P.renderBranchUpdate = function (req, pr, msg) {
208
  var authorLink = u.link([msg.value.author], msg.authorName)
209
  var msgLink = u.link([msg.key],
210
    new Date(msg.value.timestamp).toLocaleString(req._locale))
211
  var rev = msg.value.content.refs['refs/heads/' + pr.headBranch]
212
  if (!rev)
213
    return '<section class="collapse">' +
214
      req._t('NameDeletedBranch', {
215
        name: authorLink,
216
        branch: '<code>' + pr.headBranch + '</code>'
217
      }) + ' &middot; ' + msgLink +
218
      '</section>'
219
220
  var revLink = u.link([pr.headRepo, 'commit', rev], rev.substr(0, 8))
221
  return '<section class="collapse">' +
222
    req._t('NameUpdatedBranch', {
223
      name: authorLink,
224
      rev: '<code>' + revLink + '</code>'
225
    }) + ' &middot; ' + msgLink +
226
    '</section>'
227
}
228
229
/* Compare changes */
230
231
P.branchMenu = function (repo, name, currentName) {
232
  return cat([
233
    pull.once('<select name="' + name + '">'),
234
    pull(
235
      repo.refs(),
236
      pull.map(function (ref) {
237
        var m = ref.name.match(/^refs\/([^\/]*)\/(.*)$/) || [,, ref.name]
238
        return m[1] == 'heads' && m[2]
239
      }),
240
      pull.filter(Boolean),
241
      u.pullSort(),
242
      pull.map(this.repo.formatRevOptions(currentName))
243
    ),
244
    pull.once('</select>')
245
  ])
246
}
247
248
P.serveRepoCompare = function (req, repo) {
249
  var self = this
250
  var query = req._u.query
251
  var base
252
  var count = 0
253
  var title = req._t('CompareChanges') + ' · %{author}/%{repo}'
254
255
  return self.repo.renderRepoPage(req, repo, 'pulls', null, title, cat([
256
    pull.once('<h3>' + req._t('CompareChanges') + '</h3>' +
257
      '<form action="' + u.encodeLink(repo.id) + '/comparing" method="get">' +
258
      '<section>'),
259
    pull.once(req._t('BaseBranch') + ': '),
260
    u.readNext(function (cb) {
261
      if (query.base) gotBase(null, query.base)
262
      else repo.getSymRef('HEAD', true, gotBase)
263
      function gotBase(err, ref) {
264
        if (err) return cb(err)
265
        cb(null, self.branchMenu(repo, 'base', base = ref || 'HEAD'))
266
      }
267
    }),
268
    pull.once('<br/>' + req._t('ComparisonRepoBranch') + ':'),
269
    pull(
270
      self.repo.getForks(repo, true),
271
      pull.asyncMap(function (msg, cb) {
272
        self.web.getRepo(msg.key, function (err, repo) {
273
          if (err) return cb(err)
274
          cb(null, {
275
            msg: msg,
276
            repo: repo
277
          })
278
        })
279
      }),
280
      pull.map(renderFork),
281
      pull.flatten()
282
    ),
283
    pull.once('<div class="bgslash">' +
284
      '<input type="radio" name="head" value="other" id="other-radio"> ' +
285
      '<label for="other-radio">other</label>: ' +
286
      '<input name="other_repo" placeholder="repo id"> / ' +
287
      '<input name="other_branch" placeholder="branch"></div>'),
288
    pull.once('</section>'),
289
    u.readOnce(function (cb) {
290
      cb(null,
291
        '<button type="submit" class="btn">' +
292
        req._t('Compare') + '</button>')
293
    }),
294
    pull.once('</form>')
295
  ]))
296
297
  function renderFork(fork) {
298
    return pull(
299
      fork.repo.refs({inherited: false}),
300
      pull.map(function (ref) {
301
        var m = /^refs\/([^\/]*)\/(.*)$/.exec(ref.name) || [,ref.name]
302
        return {
303
          type: m[1],
304
          name: m[2],
305
          value: ref.value
306
        }
307
      }),
308
      pull.filter(function (ref) {
309
        return ref.type == 'heads'
310
          && !(ref.name == base && fork.msg.key == repo.id)
311
      }),
312
      pull.map(function (ref) {
313
        var branchLink = u.link([fork.msg.key, 'tree', ref.name], ref.name)
314
        var authorLink = u.link([fork.msg.value.author], fork.msg.authorName)
315
        var repoLink = u.link([fork.msg.key], fork.msg.repoName)
316
        var value = fork.msg.key + ':' + ref.name
317
        return '<div class="bgslash">' +
318
          '<input type="radio" name="head"' +
319
          ' value="' + u.escape(value) + '"' +
320
          (query.head == value ? ' checked="checked"' : '') + '> ' +
321
          authorLink + ' / ' + repoLink + ' / ' + branchLink + '</div>'
322
      })
323
    )
324
  }
325
}
326
327
P.serveRepoComparing = function (req, repo) {
328
  var self = this
329
  var query = req._u.query
330
  var baseBranch = query.base
331
  var headRepoId, headBranch
332
333
  if (query.head === 'other') {
334
    headRepoId = String(query.other_repo).replace(/^ssb:\/*/, '')
335
    headBranch = String(query.other_branch)
336
  } else if (query.head) {
337
    var s = String(query.head).split(':')
338
    headRepoId = s[0]
339
    headBranch = s[1]
340
  }
341
342
  if (!baseBranch)
343
    return self.web.serveRedirect(req, u.encodeLink([repo.id, 'compare']))
344
  if (!ssbRef.isMsgId(headRepoId))
345
    return self.web.serveError(req, new Error('bad repo id'), 400)
346
347
  var baseLink = u.link([repo.id, 'tree', baseBranch])
348
  var headBranchLink = u.link([headRepoId, 'tree', headBranch])
349
  var backHref = u.encodeLink([repo.id, 'compare']) + req._u.search
350
  var title = req._t(query.expand ? 'OpenPullRequest': 'ComparingChanges')
351
  var pageTitle = title + ' · %{author}/%{repo}'
352
353
  return self.repo.renderRepoPage(req, repo, 'pulls', null, pageTitle, cat([
354
    pull.once('<h3>' + title + '</h3>'),
355
    u.readNext(function (cb) {
356
      self.web.getRepo(headRepoId, function (err, headRepo) {
357
        if (err) return cb(err)
358
        self.web.getRepoFullName(headRepo.feed, headRepo.id,
359
          function (err, repoName, authorName) {
360
            if (err) return cb(err)
361
            cb(null, renderRepoInfo(GitRepo(headRepo), repoName, authorName))
362
          }
363
        )
364
      })
365
    })
366
  ]))
367
368
  function renderRepoInfo(headRepo, headRepoName, headRepoAuthorName) {
369
    var authorLink = u.link([headRepo.feed], headRepoAuthorName)
370
    var repoLink = u.link([headRepoId], headRepoName)
371
    return cat([
372
      pull.once('<section>' +
373
        req._t('Base') + ': ' + baseLink + '<br/>' +
374
        req._t('Head') + ': ' +
375
        '<span class="bgslash">' + authorLink + ' / ' + repoLink +
376
        ' / ' + headBranchLink + '</span>' +
377
        '</section>' +
378
        (query.expand ? '<section><form method="post" action="">' +
379
          u.hiddenInputs({
380
            action: 'new-pull',
381
            branch: baseBranch,
382
            head_repo: headRepoId,
383
            head_branch: headBranch
384
          }) +
385
          forms.post(req, repo, null, 8) +
386
          '<button type="submit" class="btn open">' +
387
            req._t('Create') + '</button>' +
388
          '</form></section>'
389
        : self.web.isPublic ? ''
390
        : '<section><form method="get" action="">' +
391
          u.hiddenInputs({
392
            base: baseBranch,
393
            head: query.head,
394
            other_repo: query.other_repo,
395
            other_branch: query.other_branch,
396
          }) +
397
          '<button class="btn open" type="submit" name="expand" value="1">' +
398
            '<i>⎇</i> ' + req._t('CreatePullRequest') + '</button> ' +
399
          '<a href="' + backHref + '">' + req._t('Back') + '</a>' +
400
          '</form></section>') +
401
        '<div id="commits"></div>' +
402
        '<div class="tab-links">' +
403
          '<a href="#" id="files-link">' + req._t('FilesChanged') + '</a> ' +
404
          '<a href="#commits" id="commits-link">' +
405
            req._t('Commits') + '</a>' +
406
        '</div>'),
407
      u.readNext(function (cb) {
408
        GitRepo.getMergeBase(repo, baseBranch, headRepo, headBranch,
409
          function (err, concestor) {
410
            if (err) return cb(err)
411
            cb(null, cat([
412
              pull.once('<section id="files-tab">'),
413
              self.repo.renderDiffStat(req, [repo, headRepo],
414
                [concestor, headBranch]),
415
              pull.once('</section>' +
416
                '<section id="commits-tab">'),
417
              self.renderCommitLog(req, repo, concestor, headRepo, headBranch),
418
              pull.once('</section>')
419
            ]))
420
          }
421
        )
422
      })
423
    ])
424
  }
425
}
426
427
P.renderCommitLog = function (req, baseRepo, baseBranch, headRepo, headBranch) {
428
  return cat([
429
    pull.once('<table class="compare-commits w-100">'),
430
    u.readNext(function (cb) {
431
      baseRepo.resolveRef(baseBranch, function (err, baseBranchRev) {
432
        if (err) return cb(err)
433
        var currentDay
434
        return cb(null, pull(
435
          headRepo.readLog(headBranch),
436
          pull.take(function (rev) { return rev != baseBranchRev }),
437
          u.pullReverse(),
438
          paramap(headRepo.getCommitParsed.bind(headRepo), 8),
439
          pull.map(function (commit) {
440
            var commitPath = [headRepo.id, 'commit', commit.id]
441
            var commitIdShort = '<tt>' + commit.id.substr(0, 8) + '</tt>'
442
            var day = Math.floor(commit.author.date / 86400000)
443
            var dateRow = day == currentDay ? '' :
444
              '<tr><th colspan=3 class="date-info">' +
445
              commit.author.date.toLocaleDateString(req._locale) +
446
              '</th><tr>'
447
            currentDay = day
448
            return dateRow + '<tr>' +
449
              '<td>' + u.escape(commit.author.name) + '</td>' +
450
              '<td class="commit-title">' +
451
                u.link(commitPath, commit.title) + '</td>' +
452
              '<td>' + u.link(commitPath, commitIdShort, true) + '</td>' +
453
              '</tr>'
454
          })
455
        ))
456
      })
457
    }),
458
    pull.once('</table>')
459
  ])
460
}
461