Files
weatherapi/internal/adapters/inbound/httpapi/presenter/observation.go
2026-03-20 09:44:53 -05:00

58 lines
3.3 KiB
Go

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