| Imports System.Net.Http |
| Imports Newtonsoft.Json |
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| Public Class WeatherProvider |
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| Implements IWeatherProvider |
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| Sub New() |
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| End Sub |
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| Public Function GetCurrentWeather(latitude As Double, longitude As Double) As IWeatherData Implements IWeatherProvider.GetCurrentWeather |
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| Dim getdata = GetWeather(latitude, longitude) |
| getdata.Wait() |
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| If getdata.Result.results Is Nothing Then |
| Throw New Exception("Unable to get current weather conditions for the specified location.") |
| End If |
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| Dim result = getdata.Result.results(0) |
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| Dim formattedresult As New WeatherData |
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| With formattedresult |
| .AtmosphericPressure_Pa = result.pressure.value / 1000.0 * 101325 |
| Select Case result.phrase.ToLower() |
| Case "cloudy", "partly sunny", "clouds and sun" |
| .CurrentCondition = WeatherCondition.Cloudy |
| Case "clear", "sunny" |
| .CurrentCondition = WeatherCondition.Sunny |
| Case "rainy", "light rain", "rain" |
| .CurrentCondition = WeatherCondition.Rainy |
| End Select |
| .Latitude = latitude |
| .Longitude = longitude |
| .RelativeHumidity_pct = result.relativeHumidity |
| .Temperature_C = result.temperature.value |
| .WindSpeed_km_h = result.wind.speed.value |
| End With |
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| Dim currdata = DateTime.Now |
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| Dim DT = currdata.ToLocalTime() - currdata.ToUniversalTime() |
| Dim LSTM = 15 * DT.TotalHours |
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| Dim d = currdata.DayOfYear |
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| Dim B = 360.0 / 365.0 * (d - 81) |
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| Dim EOT = 9.87 * Math.Sin(2 * B) - 7.53 * Math.Cos(B) - 1.5 * Math.Sin(B) |
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| Dim TC = 4 * (longitude - LSTM) + EOT |
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| Dim LST = currdata.Hour + TC / 60.0 |
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| Dim HRA = 15 * (LST - 12) |
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| Dim decl = 23.45 * Math.Sin(360.0 / 365.0 * (d - 81)) * Math.PI / 180.0 |
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| Dim elev = Math.Asin(Math.Sin(decl) * Math.Sin(latitude) + Math.Cos(decl) * Math.Cos(latitude) * Math.Cos(HRA)) * 180 / Math.PI |
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| Dim sunrise = 12 - 1.0 / 15.0 * Math.Acos(-Math.Sin(latitude) * Math.Sin(decl) / Math.Cos(latitude) / Math.Cos(decl)) * 180 / Math.PI |
| Dim sunset = 12 + 1.0 / 15.0 * Math.Acos(-Math.Sin(latitude) * Math.Sin(decl) / Math.Cos(latitude) / Math.Cos(decl)) * 180 / Math.PI |
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| Dim AM = 1 / Math.Cos(elev) |
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| Dim ID = 1.353 * 0.7 ^ (AM * 0.678) |
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| If formattedresult.CurrentCondition = WeatherCondition.Cloudy Then |
| ID *= 0.5 |
| End If |
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| formattedresult.SolarIrradiation_kWh_m2 = ID |
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| If currdata.Hour > sunset Or currdata.Hour < sunrise Then |
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| formattedresult.CurrentCondition = WeatherCondition.Night |
| formattedresult.SolarIrradiation_kWh_m2 = 0.0 |
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| End If |
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| Return formattedresult |
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| End Function |
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| Private Async Function GetWeather(latitude As Double, longitude As Double) As Task(Of WeatherResult) |
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| Using client = New HttpClient() |
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| client.Timeout = New TimeSpan(0, 0, 10) |
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| Using request = New HttpRequestMessage() |
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| request.Method = HttpMethod.Get |
| request.RequestUri = New Uri(String.Format("https://dwsimwebserver.azurewebsites.net/getweather?latitude={0}&longitude={1}", latitude, longitude)) |
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| Dim response As HttpResponseMessage = Await client.SendAsync(request).ConfigureAwait(False) |
| Dim result As String = Await response.Content.ReadAsStringAsync() |
| Return JsonConvert.DeserializeObject(Of WeatherResult)(result) |
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| End Using |
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| End Using |
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| End Function |
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| End Class |
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| Public Class Temperature |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class RealFeelTemperature |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class RealFeelTemperatureShade |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class DewPoint |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Direction |
| Public Property degrees As Double |
| Public Property localizedDescription As String |
| End Class |
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| Public Class Speed |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Wind |
| Public Property direction As Direction |
| Public Property speed As Speed |
| End Class |
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| Public Class WindGust |
| Public Property speed As Speed |
| End Class |
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| Public Class Visibility |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Ceiling |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Pressure |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class PressureTendency |
| Public Property localizedDescription As String |
| Public Property code As String |
| End Class |
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| Public Class Past24HourTemperatureDeparture |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class ApparentTemperature |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class WindChillTemperature |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class WetBulbTemperature |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class PastHour |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Past3Hours |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Past6Hours |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Past9Hours |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Past12Hours |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Past18Hours |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class Past24Hours |
| Public Property value As Double |
| Public Property unit As String |
| Public Property unitType As Integer |
| End Class |
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| Public Class PrecipitationSummary |
| Public Property pastHour As PastHour |
| Public Property past3Hours As Past3Hours |
| Public Property past6Hours As Past6Hours |
| Public Property past9Hours As Past9Hours |
| Public Property past12Hours As Past12Hours |
| Public Property past18Hours As Past18Hours |
| Public Property past24Hours As Past24Hours |
| End Class |
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| Public Class TemperatureSummary |
| Public Property past6Hours As Past6Hours |
| Public Property past12Hours As Past12Hours |
| Public Property past24Hours As Past24Hours |
| End Class |
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| Public Class Result |
| Public Property dateTime As DateTime |
| Public Property phrase As String |
| Public Property iconCode As Integer |
| Public Property hasPrecipitation As Boolean |
| Public Property isDayTime As Boolean |
| Public Property temperature As Temperature |
| Public Property realFeelTemperature As RealFeelTemperature |
| Public Property realFeelTemperatureShade As RealFeelTemperatureShade |
| Public Property relativeHumidity As Integer |
| Public Property dewPoint As DewPoint |
| Public Property wind As Wind |
| Public Property windGust As WindGust |
| Public Property uvIndex As Integer |
| Public Property uvIndexPhrase As String |
| Public Property visibility As Visibility |
| Public Property obstructionsToVisibility As String |
| Public Property cloudCover As Integer |
| Public Property ceiling As Ceiling |
| Public Property pressure As Pressure |
| Public Property pressureTendency As PressureTendency |
| Public Property past24HourTemperatureDeparture As Past24HourTemperatureDeparture |
| Public Property apparentTemperature As ApparentTemperature |
| Public Property windChillTemperature As WindChillTemperature |
| Public Property wetBulbTemperature As WetBulbTemperature |
| Public Property precipitationSummary As PrecipitationSummary |
| Public Property temperatureSummary As TemperatureSummary |
| End Class |
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| Public Class WeatherResult |
| Public Property results As Result() |
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| End Class |
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