git ssb

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var h = require('hyperscript')
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//render a message when someone follows someone,
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//so you see new users
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function isRelated(value, name) {
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  return value ? name : value === false ? 'un'+name : ''
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}
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exports.needs = {
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  avatar: 'first',
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  avatar_name: 'first',
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  avatar_link: 'first',
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  message_confirm: 'first',
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  follower_of: 'first'
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}
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exports.gives = {
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  message_content: true,
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  message_content_mini: true,
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  avatar_action: true,
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}
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exports.create = function (api) {
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  var exports = {}
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  exports.message_content =
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  exports.message_content_mini = function (msg) {
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    var content = msg.value.content
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    if(content.type == 'contact' && content.contact) {
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      var relation = isRelated(content.following, 'follows')
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      if(content.blocking) relation = 'blocks'
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      return [
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        relation, ' ',
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        api.avatar_link(content.contact, api.avatar_name(content.contact), '')
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      ]
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    }
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  }
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  exports.message_content = function (msg) {
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    var content = msg.value.content
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    if(content.type == 'contact' && content.contact) {
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      var relation = isRelated(content.following, 'follows')
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      if(content.blocking) relation = 'blocks'
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      return h('div.contact', relation, api.avatar(msg.value.content.contact, 'thumbnail'))
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    }
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  }
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  exports.avatar_action = function (id) {
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    var follows_you, you_follow
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    var self_id = require('../keys').id
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    api.follower_of(self_id, id, function (err, f) {
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      you_follow = f
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      update()
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    })
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    api.follower_of(id, self_id, function (err, f) {
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      follows_you = f
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      update()
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    })
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    var state = h('label')
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    var label = h('span')
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    function update () {
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      state.textContent = (
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        follows_you && you_follow ? 'friend'
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      : follows_you               ? 'follows you'
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      : you_follow                ? 'you follow'
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      :                             ''
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      )
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      label.textContent = you_follow ? 'unfollow' : 'follow'
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    }
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    return h('div', state,
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      h('a', {href:'#', onclick: function () {
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        api.message_confirm({
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          type: 'contact',
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          contact: id,
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          following: !you_follow
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        }, function (err, msg) {
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          if (err) return console.error(err)
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          you_follow = msg.value.content.following
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          update()
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        })
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      }}, h('br'), label)
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    )
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  }
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  return exports
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}
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