git ssb

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var { h, computed, when } = require('mutant')
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var nest = require('depnest')
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exports.needs = nest({
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  'bookmark.obs.bookmark': 'first',
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  'bookmark.async.save': 'first',
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  'keys.sync.id': 'first'
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})
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exports.gives = nest('bookmark.html.tagAction')
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exports.create = (api) => {
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  return nest('bookmark.html.tagAction', tag)
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  function tag(tagValue, doActionText, undoActionText) {
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    return function(msgId) {
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      const id = api.keys.sync.id()
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      var bookmark = api.bookmark.obs.bookmark(msgId, id)
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      var tagged = computed([bookmark.tags, tagValue], isTagged)
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      return when(tagged,
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        h('button.undoAction', {
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          'ev-click': () => publishAction(msgId, bookmark.recps(), bookmark.tags(), tagValue, false)
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        }, undoActionText),
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        h('button.doAction', {
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          'ev-click': () => publishAction(msgId, bookmark.recps(), bookmark.tags(), tagValue, true)
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        }, doActionText)
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      )
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    }
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  }
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  function publishAction(messageId, recps, bookmarkTags, tagValue, status = true) {
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    var currentTags = bookmarkTags || []
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    var tags
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    if (status) {
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      tags = currentTags
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      tags.push(tagValue)
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    } else {
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      tags = currentTags.filter(t => t !== tagValue)
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    }
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    api.bookmark.async.save({ recps, messageId, tags }, console.log)
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  }
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}
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function isTagged(tags, tag) {
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  if (!tags) return
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  return tags.includes(tag)
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}