red-rings-couchdb/util/count.js

// Generated by CoffeeScript 2.3.1
(function() {
  // Reduce the view
  // ---------------

  // This assumes the view's reducer is `_count`, obviously.
  var Immutable, count_as_stream, most, view_stream;

  count_as_stream = function(db_uri, app, view, key, detail) {
    var params;
    params = {
      reduce: true
    };
    if ((detail != null) && Immutable.List.isList(key)) {
      detail = parseInt(detail);
      if (isNaN(detail) || detail < 0) {
        return most.empty();
      }
      params.group_level = key.size + detail;
      params.startkey = JSON.stringify(key);
      params.endkey = JSON.stringify(key.concat(Immutable.Repeat(Immutable.Map(), 1)));
    } else {
      params.key = JSON.stringify(key);
      params.group = true;
    }
    return view_stream(db_uri, app, view, params);
  };

  module.exports = count_as_stream;

  view_stream = require('./view-stream');

  most = require('most');

  Immutable = require('immutable');

}).call(this);