Pouchdb.coffee

      @data = new PouchDB(@id)
# Code for 2-way sync, à mettre après la synchro des docs de design pour éviter
# une "course" potentielle.
#  <code>
#      @data = new PouchDB(@access)
#      @cursync = @data.sync(@access).on("complete", () =>
#        console.log "Replication OK, switching dbs", @id, @access
#        @cursync.cancel()
#        @data = new PouchDB(@id)
#        @cursync = @data.sync(@access, {live: true}).on("change", (data) ->
#          console.log "Something changed somewhere", data, data.change
#        )
#      )
# </code>
      _designdocs = [
        {
          _id: "_design/labitems",
          language: "javascript"
          version: "4"
          views:

            tags:
              map: ((doc) ->
                if doc.type == "labitem"
                  for tag in doc.categs
                    emit(tag, 1)
              ).toString()
              reduce: ((tag, values) ->
                count = 0
                for val in values
                  count += val
                return count
              ).toString()

            bytag:
              map: ((doc) ->
                if doc.type == "labitem"
                  for tag in doc.categs
                    tags = tag.split(":")
                    emit(tags, doc)
              ).toString()
        }
      ]
      # Si les documents de _design ne sont pas sauvés et à la
      # dernière version, il faut les sauver ou les updater.
      update = (data, ddoc) ->
        data.get(ddoc._id).then (doc) ->
          console.log "Got", doc
          if doc.version != ddoc.version
            console.log "Putting ", ddoc, doc._rev
            return data.put(ddoc, doc._rev)
        , (err) ->
          console.log "Saving ", ddoc
          return data.put(ddoc)

      ds = []
      for ddoc in _designdocs
        ds.push(update(@data, ddoc))

      return $q.all(ds).then () =>
        return @