git ssb

1
var nest = require('depnest')
2
var onceTrue = require('mutant/once-true')
3
var resolve = require('mutant/resolve')
4
var ref = require('ssb-ref')
5
6
exports.needs = nest({
7
  'contact.obs.following': 'first',
8
  'sbot.async.publish': 'first',
9
  'sbot.async.friendsGet': 'first'
10
})
11
12
exports.gives = nest({
13
  'contact.async': ['follow', 'unfollow', 'followerOf']
14
})
15
16
exports.create = function (api) {
17
  return nest({
18
    'contact.async': {follow, unfollow, followerOf}
19
  })
20
21
  function followerOf (source, dest, cb) {
22
    api.sbot.async.friendsGet({source: source, dest: dest}, cb)
23
  }
24
25
  function follow (id, cb) {
26
    if (!ref.isFeed(id)) throw new Error('a feed id must be specified')
27
    api.sbot.async.publish({
28
      type: 'contact',
29
      contact: id,
30
      following: true
31
    }, cb)
32
  }
33
34
  function unfollow (id, cb) {
35
    if (!ref.isFeed(id)) throw new Error('a feed id must be specified')
36
    api.sbot.async.publish({
37
      type: 'contact',
38
      contact: id,
39
      following: false
40
    }, cb)
41
  }
42
}
43
44