58 lines
3.3 KiB
Go
58 lines
3.3 KiB
Go
// observation.go presents observation payloads in metric and US shapes.
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// Layer: adapters/inbound/httpapi/presenter observation payload mapping.
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package presenter
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import (
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"time"
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"gitea.maximumdirect.net/ejr/weatherfeeder/model"
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)
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// WeatherObservationUS is the US-customary response shape for observations.
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type WeatherObservationUS struct {
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StationID string `json:"stationId,omitempty" xml:"stationId,omitempty"`
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StationName string `json:"stationName,omitempty" xml:"stationName,omitempty"`
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Timestamp time.Time `json:"timestamp" xml:"timestamp"`
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ConditionCode model.WMOCode `json:"conditionCode" xml:"conditionCode"`
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IsDay *bool `json:"isDay,omitempty" xml:"isDay,omitempty"`
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TextDescription string `json:"textDescription,omitempty" xml:"textDescription,omitempty"`
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TemperatureF *float64 `json:"temperatureF,omitempty" xml:"temperatureF,omitempty"`
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DewpointF *float64 `json:"dewpointF,omitempty" xml:"dewpointF,omitempty"`
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WindDirectionDegrees *float64 `json:"windDirectionDegrees,omitempty" xml:"windDirectionDegrees,omitempty"`
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WindSpeedMph *float64 `json:"windSpeedMph,omitempty" xml:"windSpeedMph,omitempty"`
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WindGustMph *float64 `json:"windGustMph,omitempty" xml:"windGustMph,omitempty"`
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BarometricPressureInHg *float64 `json:"barometricPressureInHg,omitempty" xml:"barometricPressureInHg,omitempty"`
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VisibilityMiles *float64 `json:"visibilityMiles,omitempty" xml:"visibilityMiles,omitempty"`
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RelativeHumidityPercent *float64 `json:"relativeHumidityPercent,omitempty" xml:"relativeHumidityPercent,omitempty"`
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ApparentTemperatureF *float64 `json:"apparentTemperatureF,omitempty" xml:"apparentTemperatureF,omitempty"`
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PresentWeather []model.PresentWeather `json:"presentWeather,omitempty" xml:"presentWeather,omitempty"`
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}
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func ObservationPayload(obs *model.WeatherObservation, units Units) any {
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if obs == nil {
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return nil
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}
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if units == UnitsUS {
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converted := WeatherObservationUS{
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StationID: obs.StationID,
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StationName: obs.StationName,
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Timestamp: obs.Timestamp,
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ConditionCode: obs.ConditionCode,
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IsDay: copyBoolPtr(obs.IsDay),
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TextDescription: obs.TextDescription,
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TemperatureF: celsiusToFahrenheitPtr(obs.TemperatureC),
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DewpointF: celsiusToFahrenheitPtr(obs.DewpointC),
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WindDirectionDegrees: copyFloat64Ptr(obs.WindDirectionDegrees),
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WindSpeedMph: scalePtr(obs.WindSpeedKmh, kmhToMphFactor),
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WindGustMph: scalePtr(obs.WindGustKmh, kmhToMphFactor),
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BarometricPressureInHg: scalePtr(obs.BarometricPressurePa, paToInHgFactor),
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VisibilityMiles: scalePtr(obs.VisibilityMeters, metersToMilesFactor),
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RelativeHumidityPercent: copyFloat64Ptr(obs.RelativeHumidityPercent),
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ApparentTemperatureF: celsiusToFahrenheitPtr(obs.ApparentTemperatureC),
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PresentWeather: append([]model.PresentWeather(nil), obs.PresentWeather...),
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}
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return converted
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}
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return obs
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}
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