git ssb

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const nest = require('depnest')
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const pull = require('pull-stream')
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const { unique, drain } = pull
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const {
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  h, Array: MutantArray,
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  map, computed, when, dictToCollection
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} = require('mutant')
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exports.gives = nest('contact.html.relationships')
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exports.needs = nest({
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  about: {
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    'html.image': 'first',
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    'obs.name': 'first'
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  },
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  contact: {
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    obs: {
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      followers: 'first',
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      following: 'first'
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    }
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    // TODO add following
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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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    'contact.html.relationships': relationships
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  })
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  function relationships (id) {
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    var rawFollowing = api.contact.obs.following(id) 
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    var rawFollowers = api.contact.obs.followers(id) 
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    var friends = computed([rawFollowing, rawFollowers], (following, followers) => {
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      return [...following].filter(follow => followers.has(follow))
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    })
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    var following = computed([rawFollowing, friends], (following, friends) => {
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      return [...following].filter(follow => !friends.includes(follow))
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    })
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    var followers = computed([rawFollowers, friends], (followers, friends) => {
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      return [...followers].filter(follower => !friends.includes(follower))
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    })
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    function imageLink (id) {
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      return h('a', 
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        { href: id, title: computed(api.about.obs.name(id), name => '@'+name) },
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        api.about.html.image(id)
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      )
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    }
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    // TOOD - split this into relationships, move top level stuff into Profile
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    return h('Relationships', [
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      h('header', 'Relationships'),
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      h('div.your-status', [
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        h('header', 'Your status'),
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        // h('section.action', api.contact.action(id))
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      ]),
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      h('div.friends', [
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        h('header', 'Friends'),
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        h('section', map(friends, imageLink))
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      ]),
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      h('div.follows', [
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        h('header', 'Follows'),
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        h('section', map(following, imageLink))
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      ]),
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      h('div.followers', [
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        h('header', 'Followers'),
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        h('section', map(followers, imageLink))
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      ])
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    ])
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  }
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}
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