git ssb

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var toUrl = require('yap-util').toUrl
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module.exports = function (sbot) {
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  return function (opts, apply, req) {
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    var tr = require('./translations')(req.cookies.lang)
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    return function (cb) {
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      var max = 1.5
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      sbot.friends.hops({start: opts.id, reverse: false, max: max}, function (err, follows) {
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        if(err) return cb(err)
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        sbot.friends.hops({start: opts.id, reverse: true, max: max}, function (err, followers) {
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          if(err) return cb(err)
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          var friends = {}
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          for(var k in followers)
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            if(followers[k] <= 0 || followers[k] > max) delete followers[k]
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          for(var k in follows) {
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            if(followers[k] <= 0 || follows[k] > max) delete follows[k]
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            else if(follows[k] > 0 && followers[k] > 0) {
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              friends[k] = follows[k]
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              delete follows[k]
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              delete followers[k]
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            }
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          }
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          var limit = 25
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          function group (label, list) {
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            return [
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              'div.'+label,
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              ['h2', tr(label)],
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            ].concat(list.slice(0, limit).map(function (e) {
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              return apply('avatar', {id: e, image: true, name: false, href: toUrl('patch/friends', {id: e})})
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            })).concat(
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              //TODO make this a link to a page showing friends.
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              list.length > limit ? '...' + tr('AndMore', list.length-limit) : ''
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            )
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          }
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          cb(null, [
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            ['h1', tr('FriendsOf'), ' ', apply('avatar', {id: opts.id, image: false, name: true})],
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            group('Friends', Object.keys(friends)),
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            group('Follows', Object.keys(follows)),
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            group('Followers', Object.keys(followers))
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          ])
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        })
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      })
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    }
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  }
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}
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