git ssb

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const nest = require('depnest')
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const { h, Value } = require('mutant')
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exports.gives = nest('message.html.layout')
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exports.needs = nest({
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  'about.html.image': 'first',
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  'keys.sync.id': 'first',
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  'message.html.backlinks': 'first',
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  'message.html.author': 'first',
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  'message.html.markdown': 'first',
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  'message.html.meta': 'map',
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  'message.html.timestamp': 'first',
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  'post.html.subject': 'first',
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  'app.sync.goTo': 'first', // TODO generalise - this is patchbay only
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})
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exports.create = (api) => {
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  return nest('message.html.layout', inboxLayout)
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  function inboxLayout (msgRollup, { layout, content } = {}) {
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    if (layout !== 'inbox') return
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    var rawMessage = Value(null)
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    const { timestamp, author, meta } = api.message.html
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    const { image } = api.about.html
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    const msgCount = msgRollup.replies.length + 1
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    const rootMsg = msgRollup
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    const newMsg = getNewestMsg(msgRollup)
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    const myId = api.keys.sync.id()
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    const recps = msgRollup.value.content.recps
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      .map(recp => {
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        // TODO check these things are feed links!!! 
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        if (typeof recp === 'string') return recp
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        if (recp.link) return recp.link
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      })
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      .filter(key => key !== myId)
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      .filter(Boolean)
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      .reduce((sofar, el) => sofar.includes(el) ? sofar : [...sofar, el], []) //.uniq
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    const showNewMsg = newMsg && newMsg.value.author !== myId
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    // const dataset = newMsg
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    //   ? { root: rootMsg.key, id: newMsg.key }
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    //   : { id: root.key }
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    const openMessage = () => api.app.sync.goTo({ key: rootMsg.key })
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    const card =  h('Message -inbox-card', { // This is required for patchbay keyboard shortcut 'o'
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      attributes: {
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        tabindex: '0'
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      }
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    }, [
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      h('section.recps', {}, [
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        h('div.spacer', { className: getSpacerClass(recps) }),
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        h('div.recps', { className: getRecpsClass(recps) }, recps.map(image)),
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      ]),
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      h('section.content', { 'ev-click': openMessage }, [
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        h('header', [
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          h('span.count', `(${msgCount})`),
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          api.post.html.subject(rootMsg)
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        ]),
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        showNewMsg
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          ? h('div.update', [
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            h('span.replySymbol', '►'),
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            messageContent(newMsg),
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            timestamp(newMsg || rootMsg), 
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          ]) : ''
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      ]),
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    ])
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    return card
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  }
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  function messageContent (msg) {
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    if (!msg.value.content || !msg.value.content.text) return
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    return api.post.html.subject(msg)
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  }
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}
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function getNewestMsg (msg) {
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  if (!msg.replies || msg.replies.length === 0) return
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  return msg.replies[msg.replies.length - 1]
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}
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function getSpacerClass (recps) {
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  switch (recps.length) {
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    case 1:
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      return '-half'
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    case 3:
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      return '-half'
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    case 4: 
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      return '-half'
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    case 5:
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      return '-quarter'
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    case 6:
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      return '-quarter'
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    default:
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      return ''
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  }
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}
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function getRecpsClass (recps) {
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 switch (recps.length) {
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    case 1:
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      return '-inbox-large'
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    case 2:
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      return '-inbox-large'
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    default:
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      return '-inbox-small'
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  }
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}
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