geolocation

geolocation.js

  getLocation() {
    this.setState((prevState, props) => {
      return {
        fetchingLocation: true
      };
    });
    getGeoLocation()
      .then(position => {
        this.setState((prevState, props) => {
          return {
            fetchingLocation: false,
            fetchingPoasterBoards: true
          };
        });
        const lat = position.coords.latitude,
          lang = position.coords.longitude;
        feedApi
          .getPoasterBoards(lat, lang)
          .then(json => {
            this.setState((prevState, props) => {
              return {
                poasterBoards: json.data,
                fetchingPoasterBoards: false
              };
            });
          })
          .catch(err => {
            console.log(err);
            this.setState((prevState, props) => {
              return {
                fetchingPoasterBoards: false
              };
            });
          });
      })
      .catch(error => {
        var msg = null;
        switch (error.code) {
          case error.PERMISSION_DENIED:
            msg = "User denied the request for Geolocation.";
            break;
          case error.POSITION_UNAVAILABLE:
            msg = "Location information is unavailable.";
            break;
          case error.TIMEOUT:
            msg = "The request to get user location timed out.";
            break;
          case error.UNKNOWN_ERROR:
            msg = "An unknown error occurred.";
            break;
        }
        alert(msg);
        this.setState((prevState, props) => {
          return {
            fetchingLocation: false,
            fetchingPoasterBoards: false
          };
        });
      });
  }