git ssb

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const nest = require('depnest')
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const { h, Array: MutantArray, computed, when, map } = require('mutant')
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const pull = require('pull-stream')
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const get = require('lodash/get')
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exports.gives = nest('app.page.userShow')
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exports.needs = nest({
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  'translations.sync.strings': 'first',
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  'app.html.link': 'first',
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  'app.html.threadCard': 'first',
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  'about.html.image': 'first',
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  'about.obs.name': 'first',
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  'contact.async.follow': 'first',
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  'contact.async.unfollow': 'first',
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  'contact.obs.followers': 'first',
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  'feed.pull.private': 'first',
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  'feed.pull.rollup': 'first',
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  'keys.sync.id': 'first',
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  'state.obs.threads': 'first',
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  'translations.sync.strings': 'first',
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})
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exports.create = (api) => {
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  return nest('app.page.userShow', userShow)
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  function userShow (location) {
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    const { feed } = location
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    const myId = api.keys.sync.id()
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    const name = api.about.obs.name(feed)
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    const strings = api.translations.sync.strings()
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    const { followers } = api.contact.obs
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    const youFollowThem = computed(followers(feed), followers => followers.has(myId))
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    const theyFollowYou = computed(followers(myId), followers => followers.has(feed))
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    const youAreFriends = computed([youFollowThem, theyFollowYou], (a, b) => a && b)
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    const ourRelationship = computed(
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      [youAreFriends, youFollowThem, theyFollowYou],
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      (youAreFriends,  youFollowThem, theyFollowYou) => {
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        if (youAreFriends) return strings.userShow.state.friends
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        if (theyFollowYou) return strings.userShow.state.theyFollow
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        if (youFollowThem) return strings.userShow.state.youFollow
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      }
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    )
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    const { unfollow, follow } = api.contact.async
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    const followButton = when(followers(myId).sync,
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      when(youFollowThem,
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        h('Button -subtle', { 'ev-click': () => unfollow(feed) }, strings.userShow.action.unfollow),
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        h('Button -primary', { 'ev-click': () => follow(feed) }, strings.userShow.action.follow)
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      ),
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      h('Button', { disabled: 'disabled' }, strings.loading )
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    )
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    const threads = MutantArray() 
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    pull(
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      // next(api.feed.pull.private, {reverse: true, limit: 100, live: false}, ['value', 'timestamp']),
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      // api.feed.pull.private({reverse: true, limit: 100, live: false}),
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      api.feed.pull.private({reverse: true, live: false}),
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      pull.filter(msg => {
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        const recps = get(msg, 'value.content.recps')
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        if (!recps) return 
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        return recps
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          .map(r => typeof r === 'object' ? r.link : r)
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          .includes(feed)
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      }),
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      api.feed.pull.rollup(),
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      pull.drain(threads.push)
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      // Scroller(container, content, render, false, false)
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    )
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    const Link = api.app.html.link
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    return h('Page -userShow', {title: name}, [
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      h('div.container', [
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        api.about.html.image(feed),
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        feed !== myId
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          ? h('div.friendship', [
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            h('div.state', ourRelationship),
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            followButton
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          ]) : '',
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        h('div', '...friends in common'),
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        h('div', '...groups this person is in'),
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        feed !== myId
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          ? Link({ page: 'threadNew', feed }, h('Button -primary', strings.userShow.action.directMessage))
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          : '',
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        h('div.threads', map(threads, api.app.html.threadCard))
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      ])
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    ])
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  }
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}
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