git ssb

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const nest = require('depnest')
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const { h } = require('mutant')
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const pull = require('pull-stream')
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const Scroller = require('pull-scroll')
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const ref = require('ssb-ref')
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const next = require('pull-next-query')
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exports.gives = nest({
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  'app.html.menuItem': true,
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  'app.page.private': true
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})
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exports.needs = nest({
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  'app.html': {
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    filter: 'first',
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    scroller: 'first'
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  },
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  'app.sync.goTo': 'first',
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  'feed.pull.private': 'first',
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  'keys.sync.id': 'first',
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  'message.html': {
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    compose: 'first',
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    render: 'first'
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  }
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})
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exports.create = function (api) {
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  return nest({
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    'app.html.menuItem': menuItem,
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    'app.page.private': privatePage
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  })
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  function menuItem () {
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    return h('a', {
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      'ev-click': () => api.app.sync.goTo({ page: 'private' })
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    }, '/private')
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  }
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  function privatePage (location) {
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    const id = api.keys.sync.id()
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    const composer = api.message.html.compose({
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      location,
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      meta: { type: 'post' },
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      prepublish: content => {
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        content.recps = [id, ...(content.mentions || [])]
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          .filter(m => ref.isFeed(typeof m === 'string' ? m : m.link))
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        return content
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      },
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      placeholder: 'Write a private message. \n\n@mention users in the first message to start a private thread.' }
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    )
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    const { filterMenu, filterDownThrough, filterUpThrough, resetFeed } = api.app.html.filter(draw)
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    const { container, content } = api.app.html.scroller({ prepend: [ composer, filterMenu ] })
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    function draw () {
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      resetFeed({ container, content })
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      pull(
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        pullPrivate({ old: false, live: true }),
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        filterDownThrough(),
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        Scroller(container, content, api.message.html.render, true, false)
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      )
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      pull(
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        pullPrivate({ reverse: true }),
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        filterUpThrough(),
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        Scroller(container, content, api.message.html.render, false, false)
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      )
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    }
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    draw()
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    container.title = '/private'
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    return container
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  }
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  function pullPrivate (opts) {
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    const query = [{
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      $filter: {
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        timestamp: { $gt: 0 },
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        value: {
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          content: {
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            recps: { $truthy: true }
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          }
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        }
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      }
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    }]
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    const _opts = Object.assign({ query, limit: 100 }, opts)
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    return next(api.feed.pull.private, _opts, ['timestamp'])
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  }
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}
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