git ssb

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var getAvatar = require('ssb-avatar')
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var h = require('hyperscript')
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var ref = require('ssb-ref')
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var plugs = require('../plugs')
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var sbot_query = plugs.first(exports.sbot_query = [])
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var blob_url = require('../plugs').first(exports.blob_url = [])
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var pull = require('pull-stream')
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var id = require('../keys').id
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var default_avatar = '&qjeAs8+uMXLlyovT4JnEpMwTNDx/QXHfOl2nv2u0VCM=.sha256'
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var avatars = AVATARS = {}
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function isFunction (f) {
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  return 'function' === typeof f
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}
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var self_id = require('../keys').id
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var ready = false
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var waiting = []
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var last = 0
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//blah blah
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setTimeout(function () {
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pull(
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  sbot_query({
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    query: [{
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      $filter: {
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        timestamp: {$gt: last || 0 },
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        value: { content: {
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          type: "about",
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          about: {$prefix: "@"},
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          image: {link: {$prefix: "&"}}
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      }}
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    }},
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    {
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      $map: {
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        id: ["value", "content", "about"],
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        image: ["value", "content", "image", "link"],
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        by: ["value", "author"],
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        ts: 'timestamp'
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    }}],
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    live: true
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  }),
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  pull.drain(function (a) {
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    if(a.sync) {
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      ready = true
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      while(waiting.length) waiting.shift()()
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      return
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    }
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    last = a.ts
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    //set image for avatar.
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    //overwrite another avatar
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    //you picked.
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    if(
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      //if there is no avatar
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        (!avatars[a.id]) ||
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      //if i chose this avatar
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        (a.by == self_id) ||
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      //they chose their own avatar,
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      //and current avatar was not chosen by me
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        (a.by === a.id && avatars[a.id].by != self_id)
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    )
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      avatars[a.id] = a
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  })
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)
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})
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exports.avatar_image = function (author, classes) {
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  classes = classes || ''
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  if(classes && 'string' === typeof classes) classes = '.avatar--'+classes
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  var img = h('img'+classes, {src: blob_url(default_avatar)})
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//  getAvatar({links: sbot_links}, id, author, function (err, avatar) {
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//    if (err) return console.error(err)
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//    if(ref.isBlob(avatar.image))
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//      img.src = blob_url(avatar.image)
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//  })
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  function go () {
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    if(avatars[author]) img.src = blob_url(avatars[author].image)
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  }
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  if(!ready)
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    waiting.push(go)
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  else go()
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  return img
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}
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