git ssb

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var h = require('hyperscript')
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var pull = require('pull-stream')
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var sbot = require('./scuttlebot')
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var human = require('human-time')
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var id = require('./keys').id
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var tools = require('./tools')
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var mime = require('simple-mime')('application/octect-stream')
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var split = require('split-buffer')
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function file_input (onAdded) {
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  return h('label.btn', 'Upload file',
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    h('input', { type: 'file', hidden: true,
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    onchange: function (ev) {
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      var file = ev.target.files[0]
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      if (!file) return
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      var reader = new FileReader()
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      reader.onload = function () {
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        pull(
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          pull.values(split(new Buffer(reader.result), 64*1024)),
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          sbot.addblob(function (err, blob) {
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            if(err) return console.error(err)
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            onAdded({
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              link: blob,
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              name: file.name,
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              size: reader.result.length || reader.result.byteLength,
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              type: mime(file.name)
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            })
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          })
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        )
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      }
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      reader.readAsArrayBuffer(file)
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    }
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  }))
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}
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module.exports = function (opts) {
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  var files = []
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  var filesById = {}
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  var composer = h('div.composer')
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  var container = h('div.container')
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  if (opts.messageText)
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    var textarea = h('textarea.compose', opts.messageText)
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  else
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    var textarea = h('textarea.compose', {placeholder: opts.placeholder || 'Write a message'})
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  if (window.location.hash.substring(1) != 'compose')
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    var cancelBtn = h('button.btn', 'Cancel', {
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      onclick: function () {
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        var cancel
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        if (opts.updated) {
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          cancel = document.getElementById(opts.updated.substring(0,10))
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          var oldMessage = h('div.message__body', tools.markdown(opts.messageText))
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          cancel.parentNode.replaceChild(oldMessage, cancel)
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          console.log(opts.buttons)
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          oldMessage.parentNode.appendChild(opts.buttons)
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        } else if (opts.branch) {
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          cancel = document.getElementById(opts.branch.substring(0,10))
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          cancel.parentNode.removeChild(cancel)
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        }
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      }
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    })
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  else 
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    var cancel = h('span', '')
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  var initialButtons = h('span', 
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    h('button.btn', 'Preview', {
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      onclick: function () {
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        var msg = {}
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        msg.value = {
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          "author": id,
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          "content": {
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            "type": opts.type
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          }
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        }
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        if (opts.root)
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          msg.value.content.root = opts.root
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        if (opts.original)
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          msg.value.content.original = opts.original
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        if (opts.updated)
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          msg.value.content.updated = opts.updated
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        msg.value.content.text = textarea.value
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        console.log(msg)
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        if (opts.type == 'post') 
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          var header = tools.header(msg)
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        if (opts.type == 'update')
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          var header = h('div.timestamp', 'Edited:', h('a', {href: msg.key}, human(new Date(msg.value.timestamp))))
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        var preview = h('div',
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          header,
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          h('div.message__content', tools.markdown(msg.value.content.text)),
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          h('button.btn', 'Publish', {
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            onclick: function () {
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              sbot.publish(msg.value.content, function (err, msg) {
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                if(err) throw err
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                console.log('Published!', msg)
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                window.location.reload()
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                if(cb) cb(err, msg)
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              })
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            }
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          }),
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          h('button.btn', 'Cancel', {
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            onclick: function () {
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              composer.replaceChild(container, composer.firstChild)
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              container.appendChild(textarea)
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              container.appendChild(initialButtons)
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            }
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          })
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        )
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        composer.replaceChild(preview, composer.firstChild)
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      }
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    }),
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    file_input(function (file) {
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      files.push(file)
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      filesById[file.link] = file
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      var embed = file.type.indexOf('image/') === 0 ? '!' : ''
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      textarea.value += embed + '['+file.name+']('+file.link+')'
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    }),
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    cancelBtn
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  )
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  composer.appendChild(container)
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  container.appendChild(textarea)
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  container.appendChild(initialButtons)
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  return composer
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} 
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