Function count

databases/mongo.js:486–525

(appId, collectionName, query, limit, skip)

  },

  count(appId, collectionName, query, limit, skip) {
    const deferred = q.defer();

    try {
      if (config.mongoDisconnected) {
        deferred.reject('Database Not Connected');
        return deferred.promise;
      }

      if (skip) {
        skip = parseInt(skip, 10);
      }

      const collection = config.mongoClient.db(appId).collection(mongoUtil.collection.getId(appId, collectionName));

      // delete $include and $includeList recursively
      query = _sanitizeQuery(query);

      let findQuery = collection.find(query);
      if (skip) {
        findQuery = findQuery.skip(skip);
      }

      findQuery.count(query, (err, count) => {
        if (err) {
          winston.log('error', err);
          deferred.reject(err);
        } else {
          deferred.resolve(count);
        }
      });
    } catch (err) {
      winston.log('error', {
        error: String(err),
        stack: new Error().stack,
      });
      deferred.reject(err);
    }
    return deferred.promise;
  },

  distinct(appId, collectionName, onKey, query, select, sort, limit, skip) {
    const deferred = q.defer();