methods.js

this.getSuggestions = function(text) {
    return appbaseRef.search({
      index: 'checkin',
      body: {
        suggest: {
          mysuggester: {
            text: text,
            completion: {
              field: 'city_suggest'
            }
          }
        }
      }
    });
  }

  this.getSearchCheckin = function(text) {
    return appbaseRef.search({
      index: 'checkin',
      type: 'city',
      body: {
        query: {
          match: {
            city: text
          }
        }
      }
    });
  }

  this.getliveData = function() {
    return appbaseRef.searchStream({
      type: 'city',
      body: {
        query: {
          match_all: {}
        }
      }
    });
  }

  this.getDragData = function(lat, lng) {
    return appbaseRef.search({
      type: 'city',
      body: {
        query: {
          filter: {
            geo_distance: {
              distance: "2000km",
              location: [lat, lng]
            }
          }
        }
      }
    });
  }