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 next = require('pull-next-step')
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exports.gives = nest({
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  'app.html.menuItem': true,
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  'app.page.notifications': true
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})
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exports.needs = nest({
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  'app.html.filter': 'first',
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  'app.html.scroller': 'first',
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  'app.sync.goTo': 'first',
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  'feed.pull.mentions': 'first',
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  'feed.pull.public': 'first',
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  'keys.sync.id': 'first',
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  'message.html.render': 'first'
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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.notifications': notificationsPage
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  })
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  function menuItem () {
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    return h('a', {
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      style: { order: 3 },
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      'ev-click': () => api.app.sync.goTo({ page: 'notifications' })
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    }, '/notifications')
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  }
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  function notificationsPage (location) {
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    const id = api.keys.sync.id()
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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: [ filterMenu ] })
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    const removeMyMessages = () => pull.filter(msg => msg.value.author !== id)
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    const removePrivateMessages = () => pull.filter(msg => msg.value.private !== true)
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    function draw () {
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      resetFeed({ container, content })
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      pull(
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        next(api.feed.pull.mentions(id), {old: false, limit: 100, property: ['timestamp']}),
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        removeMyMessages(),
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        removePrivateMessages(),
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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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        next(api.feed.pull.mentions(id), {reverse: true, limit: 100, live: false, property: ['timestamp']}),
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        removeMyMessages(),
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        removePrivateMessages(),
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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 = '/notifications'
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    return container
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  }
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}
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