git ssb

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var h = require('hyperscript')
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var human = require('human-time')
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var avatar = require('./avatar')
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var ref = require('ssb-ref')
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var ssbKeys = require('ssb-keys')
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var pull = require('pull-stream')
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var sbot = require('./scuttlebot')
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var config = require('./config')()
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var id = require('./keys').id
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module.exports.getFollowing = function (src) {
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  var followingCount = 0
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  var following = h('div.following', 'Following: ')
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  following.appendChild(h('span#followingcount', '0'))
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  following.appendChild(h('br'))
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  pull(
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    sbot.query({query: [{$filter: { value: { author: src, content: {type: 'contact'}}}}], live: true}),
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    pull.drain(function (msg) {
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      if (msg.value) {
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        if (msg.value.content.following == true) {
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          followingcount = document.getElementById('followingcount')
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          followingCount++
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          followingcount.textContent = followingCount
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          var gotIt = document.getElementById('following:' + msg.value.content.contact.substring(0, 44))
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          if (gotIt == null) {
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            following.appendChild(h('a#following:'+ msg.value.content.contact.substring(0, 44), {title: avatar.cachedName(msg.value.content.contact).textContent, href: '#' + msg.value.content.contact}, h('span.avatar--small', avatar.cachedImage(msg.value.content.contact))))
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          }
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        }
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        if (msg.value.content.following == false) {
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          followingcount = document.getElementById('followingcount')
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          followingCount--
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          followingcount.textContent = followingCount
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          var gotIt = document.getElementById('following:' + msg.value.content.contact.substring(0, 44))
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          if (gotIt != null) {
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            gotIt.outerHTML = ''
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          }
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        }
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      }
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    })
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  )
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  return following
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}
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module.exports.getFollowers = function (src) {
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  var followerCount = 0
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  var followers = h('div.followers', 'Followers: ')
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  followers.appendChild(h('span#followercount', '0'))
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  followers.appendChild(h('br'))
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  pull(
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    sbot.query({query: [{$filter: { value: { content: {type: 'contact', contact: src}}}}], live: true}),
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    pull.drain(function (msg) {
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      if (msg.value) {
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        if (msg.value.content.following == true) {
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          followcount = document.getElementById('followercount')
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          followerCount++
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          followcount.textContent = followerCount
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          var gotIt = document.getElementById('followers:' + msg.value.author.substring(0, 44))
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          if (gotIt == null) {
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            followers.appendChild(h('a#followers:'+ msg.value.author.substring(0, 44), {title: avatar.cachedName(msg.value.author).textContent, href: '#' + msg.value.author}, h('span.avatar--small', avatar.cachedImage(msg.value.author))))
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          }
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        }
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        if (msg.value.content.following == false) {
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          followcount = document.getElementById('followercount')
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          followerCount--
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          followcount.textContent = followerCount
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          var gotIt = document.getElementById('followers:' + msg.value.author.substring(0, 44))
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          if (gotIt != null) {
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            gotIt.outerHTML = ''
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          }
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        }
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      }
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    })
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  )
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  return followers
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}
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module.exports.follow = function (src) {
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   var button = h('span.button')
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   var followButton = h('button.btn', 'Follow ', avatar.name(src), {
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    onclick: function () {
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      var content = {
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        type: 'contact', 
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        contact: src, 
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        following: true
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      }
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      sbot.publish(content, function (err, publish) {
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        if (err) throw err
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        console.log(publish)
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      }) 
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    }
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  })
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  var unfollowButton = h('button.btn', 'Unfollow ', avatar.name(src), {
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    onclick: function () {
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      var content = {
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        type: 'contact', 
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        contact: src, 
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        following: false
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      }
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      sbot.publish(content, function (err, publish) {
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        if (err) throw err
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        console.log(publish)
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      }) 
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    }
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  })
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  pull(
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    sbot.query({query: [{$filter: { value: { author: id, content: {type: 'contact', contact: src}}}}], live: true}),
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    pull.drain(function (msg) { 
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      if (msg.value) {
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        if (msg.value.content.following == true) {
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            button.removeChild(button.firstChild)
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            button.appendChild(unfollowButton) 
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          } 
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        if (msg.value.content.following == false) {
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          button.removeChild(button.firstChild)
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          button.appendChild(followButton) 
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        }
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      }
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    })
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  )
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  button.appendChild(followButton)
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  return button
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}
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module.exports.box = function (content) {
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  return ssbKeys.box(content, content.recps.map(function (e) {
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    return ref.isFeed(e) ? e : e.link
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  }))
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}
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module.exports.publish = function (content, cb) {
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  if(content.recps)
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    content = exports.box(content)
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  sbot.publish(content, function (err, msg) {
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    if(err) throw err
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    console.log('Published!', msg)
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    if(cb) cb(err, msg)
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  })
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}
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module.exports.mute = function (src) {
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  if (!localStorage[src])
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    var cache = {mute: false}
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  else
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    var cache = JSON.parse(localStorage[src])
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  if (cache.mute == true) {
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    var mute = h('button.btn', 'Unmute', {
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      onclick: function () {
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        cache.mute = false
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        localStorage[src] = JSON.stringify(cache)
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        location.hash = '#'
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        location.hash = src
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      }
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    })
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    return mute
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  } else {
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    var mute = h('button.btn', 'Mute', {
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      onclick: function () {
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        cache.mute = true
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        localStorage[src] = JSON.stringify(cache)
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        location.hash = '#'
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        location.hash = src 
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      }
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    })
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    return mute
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  }
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}
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module.exports.star = function (msg) {
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  var votebutton = h('span.star:' + msg.key.substring(0,44))
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  var vote = {
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    type: 'vote',
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    vote: { link: msg.key, expression: 'Star' }
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  }
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  if (msg.value.content.recps) {
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    vote.recps = msg.value.content.recps
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  }
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  var star = h('button.btn.right', 'Star ',
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    h('img.emoji', {src: config.emojiUrl + 'star.png'}), {
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      onclick: function () {
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        vote.vote.value = 1
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        if (vote.recps) {
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          vote = exports.box(vote)
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        }
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        sbot.publish(vote, function (err, voted) {
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          if(err) throw err
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        })
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      }
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    }
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  )
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  var unstar = h('button.btn.right ', 'Unstar ',
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    h('img.emoji', {src: config.emojiUrl + 'stars.png'}), {
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      onclick: function () {
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        vote.vote.value = -1
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        sbot.publish(vote, function (err, voted) {
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          if(err) throw err
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        })
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      }
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    }
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  )
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  votebutton.appendChild(star) 
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  pull(
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    sbot.links({rel: 'vote', dest: msg.key, live: true}),
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    pull.drain(function (link) {
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      if (link.key) {
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        sbot.get(link.key, function (err, data) {
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          if (err) throw err
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          if (data.content.vote) {
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            if (data.author == id) {
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              if (data.content.vote.value == 1)
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                votebutton.replaceChild(unstar, star)
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              if (data.content.vote.value == -1)
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                votebutton.replaceChild(star, unstar)
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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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  return votebutton
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}
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function votes (msg) {
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  var votes = h('div.votes') 
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  if (msg.key) {
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    pull(
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      sbot.links({rel: 'vote', dest: msg.key, live: true }),
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      pull.drain(function (link) {
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        if (link.key) {
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          sbot.get(link.key, function (err, data) {
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            if (err) throw err
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            if (data.content.vote) {
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              if (data.content.vote.value == 1) {
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                if (localStorage[data.author + 'name'])
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                  name = localStorage[data.author + 'name']
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                else
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                  name = data.author
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                votes.appendChild(h('a#vote:' + data.author.substring(0, 44), {href:'#' + data.author, title: name}, h('img.emoji', {src: config.emojiUrl + 'star.png'})))
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              }
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              else if (data.content.vote.value == -1) {
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                var lookFor = 'vote:' + data.author.substring(0, 44)
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                document.getElementById(lookFor, function (err, gotit) {
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                  if (err) throw err
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                  gotit.parentNode.removeChild(remove)
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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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    )
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  }
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  return votes
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}
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module.exports.timestamp = function (msg, edited) {
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  var timestamp
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  if (edited)
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    timestamp = h('span.timestamp', 'Edited by: ', h('a', {href: '#' +  msg.value.author}, h('span.avatar--small', avatar.cachedImage(msg.value.author))), h('a', {href: '#' + msg.key}, human(new Date(msg.value.timestamp))))
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  else 
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    timestamp = h('span.timestamp', h('a', {href: '#' + msg.key}, human(new Date(msg.value.timestamp))))
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  return timestamp
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}
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module.exports.mini = function (msg, content) {
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  var mini = h('div.mini')
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  mini.appendChild(
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    h('span.avatar',
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      h('a', {href: '#' + msg.value.author},
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        h('span.avatar--small', avatar.cachedImage(msg.value.author)),
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        avatar.cachedName(msg.value.author)
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      )
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    )
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  )
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  var lock = h('span.right', h('img.emoji', {src: config.emojiUrl + 'lock.png'}))
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  mini.appendChild(h('span', content))
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  mini.appendChild(exports.timestamp(msg))
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  if (msg.value.content.recps) {
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    mini.appendChild(lock)
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  }
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  if (typeof msg.value.content === 'string') {
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    mini.appendChild(lock)
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  }
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  return mini
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}
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module.exports.header = function (msg) {
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  var header = h('div.header')
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  header.appendChild(h('span.avatar',
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      h('a', {href: '#' + msg.value.author},
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        h('span.avatar--small', avatar.cachedImage(msg.value.author)),
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        avatar.cachedName(msg.value.author)
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      )
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    )
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  )
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  header.appendChild(exports.timestamp(msg))
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  header.appendChild(votes(msg))
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  if (msg.value.private)
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    header.appendChild(h('span.right', ' ', h('img.emoji', {src: config.emojiUrl + 'lock.png'})))
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  return header
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}
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var ref = require('ssb-ref')
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module.exports.messageName = function (id, cb) {
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  // gets the first few characters of a message, for message-link
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  function title (s) {
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    var m = /^\n*([^\n]{0,40})/.exec(s)
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    return m && (m[1].length == 40 ? m[1]+'...' : m[1])
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  }
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  sbot.get(id, function (err, value) {
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    if(err && err.name == 'NotFoundError')
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      return cb(null, id.substring(0, 10)+'...(missing)')
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    if(value.content.type === 'post' && 'string' === typeof value.content.text)
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      return cb(null, title(value.content.text))
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    else if('string' === typeof value.content.text)
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      return cb(null, value.content.type + ':'+title(value.content.text))
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    else
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      return cb(null, id.substring(0, 10)+'...')
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  })
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}
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var messageName = exports.messageName
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var ref = require('ssb-ref')
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module.exports.messageLink = function (id) {
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  if (ref.isMsg(id)) {
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    var link = h('a', {href: '#'+id}, id.substring(0, 10)+'...')
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    messageName(id, function (err, name) {
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      if(err) console.error(err)
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      else link.textContent = name
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    })
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  } else {
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    var link = id
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  }
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  return link
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}
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module.exports.rawJSON = function (obj) {
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  return JSON.stringify(obj, null, 2)
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    .split(/([%@&][a-zA-Z0-9\/\+]{43}=*\.[\w]+)/)
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    .map(function (e) {
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      if(ref.isMsg(e) || ref.isFeed(e) || ref.isBlob(e)) {
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        return h('a', {href: '#' + e}, e)
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      }
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      return e
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    })
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}
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var markdown = require('ssb-markdown')
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var config = require('./config')()
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module.exports.markdown = function (msg, md) {
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  return {innerHTML: markdown.block(msg, {toUrl: function (url, image) {
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    if(url[0] == '%' || url[0] == '@') return '#' + url
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    if(!image) return url
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    if(url[0] !== '&') return url
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    return config.blobsUrl + url
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  }})}
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}
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