text: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /**
   * Get all documents in Cloudant database:
   * https://docs.couchdb.com/database.html#get-documents
   **/
  
  function main(message) {
    var couchdbOrError = getCouchdb(message);
    if (typeof couchdbOrError !== 'object') {
      return Promise.reject(couchdbOrError);
    }
    var couchdb = couchdbOrError;
    var dbName = message.dbname;
    var params = {};
  
    if(!dbName) {
      return Promise.reject('dbname is required.');
    }
    var couchdb = couchdb.use(dbName);
  
    if (typeof message.params === 'object') {
      params = message.params;
    } else if (typeof message.params === 'string') {
      try {
        params = JSON.parse(message.params);
      } catch (e) {
        return Promise.reject('params field cannot be parsed. Ensure it is valid JSON.');
      }
    }
  
    return listAllDocuments(couchdb, params);
  }
  
  /**
   * List all documents.
   */
  function listAllDocuments(couchdb, params) {
    return new Promise(function(resolve, reject) {
      couchdb.list(params, function(error, response) {
        if (!error) {
          resolve(response);
        } else {
          reject(error);
        }
      });
    });
  }
  
  function getCouchdb(message) {
      var couchdbUrl = message.url;
  
      return require('nano')({
          url: couchdbUrl
      });
  }
  