public void GetBarometricChangeTest()
        {
            var result = BBCObjects.GetBarometricChange("Falling");

            Assert.AreEqual(result.description, "Falling");
            Assert.Inconclusive();
        }
示例#2
0
        /// <summary>
        /// Retrieves the weather RSS feed from a given url, parses it's data, and then returns a BBCWeatherData containing the information.
        /// </summary>
        /// <param name="url">The URL to the BBC weather RSS feed.</param>
        /// <returns>A BBCWeatherData instance, containing the information from the given URL</returns>
        public static BBCWeatherData Get(string url)
        {
            string rawXML;
            var    item = Common.GetDataFromURL(url, out rawXML);

            var data = new BBCWeatherData();

            data.data = new rss_feed_result();
            data.data.date_and_time_request = DateTime.Now;
            data.data.date_and_time_data    = item.PublishDate.DateTime;
            data.data.raw_data  = rawXML;
            data.data.is_active = true;
            data.data.comment   = "n/a";
            data.data.version   = 1;
            data.data.forecast_max_temperature = InvalidNumberValue;
            data.data.forecast_min_temperature = InvalidNumberValue;
            data.data.forecast_uv_risk         = InvalidNumberValue;
            data.data.forecast_sunrise_time    = new TimeSpan(0, 0, 0);
            data.data.forecast_sunset_time     = new TimeSpan(0, 0, 0);
            data.data.forecast_pollution_id    = -1;

            // Of interest:
            // item.Summary = Temperature: 10°C (50°F), Wind Direction: Westerly, Wind Speed: 6mph,
            //                Humidity: 79%, Pressure: 1022mb, Rising, Visibility: Very Good
            // item.Title = Tuesday - 09:00 BST: Light Cloud, 10°C (50°F)
            var titleSplit = item.Title.Text.Split(new char[] { ':', ',' });

            data.cloudCoverage = BBCObjects.GetCloudCoverage(titleSplit[3]);

            var summaryComponents = item.Summary.Text.Split(',');

            for (int i = 0; i < summaryComponents.Length; i++)
            {
                var component = summaryComponents[i];
                var split     = component.Split(':');
                var key       = split[0].Trim();
                var value     = split[1].Trim();

                switch (key)
                {
                case "Wind Direction":
                    data.windDirection = BBCObjects.DirectionFromString(value);
                    break;

                case "Visibility":
                    data.visibility = BBCObjects.GetVisibility(value);
                    break;

                case "Wind Speed":
                    var regex   = new Regex("(.+)mph");
                    var matches = regex.Match(value).Groups;

                    int  speed;
                    bool succeeded = Int32.TryParse(matches[1].Value, out speed);
                    if (!succeeded)
                    {
                        data.data.wind_speed = 0;
                        RSSHelper.createRSSError(rawXML, "Invalid wind speed");
                    }
                    else
                    {
                        data.data.wind_speed = speed;
                    }
                    break;

                case "Temperature":
                    regex   = new Regex("(.+)°C");   // Somehow, somewhy, the variables of other cases pass down...
                    matches = regex.Match(value).Groups;

                    if (matches[1].Value == "--")
                    {
                        data.data.observed_temperature = new Temperature(InvalidNumberValue, Temperature.Type.Celcius).asCelcius();
                        RSSHelper.createRSSError(rawXML, "No temperature was provided");
                    }
                    else
                    {
                        data.data.observed_temperature = Temperature.fromCelcius(Convert.ToSingle(matches[1].Value)).asCelcius();
                    }
                    break;

                case "Pressure":
                    if (i == summaryComponents.Length - 1)
                    {
                        throw new Exception("Invalid data");
                    }

                    var changeString = summaryComponents[++i];
                    regex   = new Regex("(.+)mb");
                    matches = regex.Match(value).Groups;

                    data.pressureChange = BBCObjects.GetBarometricChange(changeString);

                    if (matches[1].Value.Trim() == "--")
                    {
                        data.data.pressure_value = InvalidNumberValue;
                        RSSHelper.createRSSError(rawXML, "Invalid pressure value");
                    }
                    else
                    {
                        data.data.pressure_value = Convert.ToInt32(matches[1].Value);
                    }
                    break;

                case "Humidity":
                    regex   = new Regex("(\\d+)%");
                    matches = regex.Match(value).Groups;

                    data.data.humidity = Convert.ToInt32(matches[1].Value);
                    break;

                default:
                    //throw new NotSupportedException($"Unknown component '{key}'");
                    break;
                }
            }

            return(data);
        }