Proxy support for AWN/Wunderground

go.mod

@@ -4,6 +4,7 @@ go 1.23.4
 
 require (
 	gitea.libretechconsulting.com/rmcguire/go-app v0.3.1
+	github.com/go-resty/resty/v2 v2.16.3
 	github.com/gorilla/schema v1.4.1
 	github.com/rs/zerolog v1.33.0
 	go.opentelemetry.io/otel v1.33.0
@@ -22,7 +23,7 @@ require (
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.25.1 // indirect
 	github.com/klauspost/compress v1.17.11 // indirect
-	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/prometheus/client_golang v1.20.5 // indirect

go.sum

@@ -1,5 +1,3 @@
-gitea.libretechconsulting.com/rmcguire/go-app v0.3.0 h1:TSR6oEDBX+83975gmgGgU/cTFgfG999+9N/1h4RAXq0=
-gitea.libretechconsulting.com/rmcguire/go-app v0.3.0/go.mod h1:wHOWh4O4AMDATQ3WEUYjq5a5bnICPBpu5G6BsNxqN38=
 gitea.libretechconsulting.com/rmcguire/go-app v0.3.1 h1:jydcJ+Vv8sk+Le7nTI2+b6E7FfV+ShBJo7YdxmdaCYc=
 gitea.libretechconsulting.com/rmcguire/go-app v0.3.1/go.mod h1:wHOWh4O4AMDATQ3WEUYjq5a5bnICPBpu5G6BsNxqN38=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -20,6 +18,8 @@ github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
 github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/go-resty/resty/v2 v2.16.3 h1:zacNT7lt4b8M/io2Ahj6yPypL7bqx9n1iprfQuodV+E=
+github.com/go-resty/resty/v2 v2.16.3/go.mod h1:hkJtXbA2iKHzJheXYvQ8snQES5ZLGKMwQ07xAwp/fiA=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
@@ -39,8 +39,9 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
-github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
+github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
@@ -91,14 +92,10 @@ go.opentelemetry.io/otel/sdk/metric v1.33.0 h1:Gs5VK9/WUJhNXZgn8MR6ITatvAmKeIuCt
 go.opentelemetry.io/otel/sdk/metric v1.33.0/go.mod h1:dL5ykHZmm1B1nVRk9dDjChwDmt81MjVp3gLkQRwKf/Q=
 go.opentelemetry.io/otel/trace v1.33.0 h1:cCJuF7LRjUFso9LPnEAHJDB2pqzp+hbO8eu1qqW2d/s=
 go.opentelemetry.io/otel/trace v1.33.0/go.mod h1:uIcdVUZMpTAmz0tI1z04GoVSezK37CbGV4fr1f2nBck=
-go.opentelemetry.io/proto/otlp v1.4.0 h1:TA9WRvW6zMwP+Ssb6fLoUIuirti1gGbP28GcKG1jgeg=
-go.opentelemetry.io/proto/otlp v1.4.0/go.mod h1:PPBWZIP98o2ElSqI35IHfu7hIhSwvc5N38Jw8pXuGFY=
 go.opentelemetry.io/proto/otlp v1.5.0 h1:xJvq7gMzB31/d406fB8U5CBdyQGw4P399D1aQWU/3i4=
 go.opentelemetry.io/proto/otlp v1.5.0/go.mod h1:keN8WnHxOy8PG0rQZjJJ5A2ebUoafqWp0eVQ4yIXvJ4=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
-golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
 golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
 golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -108,18 +105,14 @@ golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
 golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
 golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-google.golang.org/genproto/googleapis/api v0.0.0-20250102185135-69823020774d h1:H8tOf8XM88HvKqLTxe755haY6r1fqqzLbEnfrmLXlSA=
+golang.org/x/time v0.6.0 h1:eTDhh4ZXt5Qf0augr54TN6suAUudPcawVZeIAPU7D4U=
-google.golang.org/genproto/googleapis/api v0.0.0-20250102185135-69823020774d/go.mod h1:2v7Z7gP2ZUOGsaFyxATQSRoBnKygqVq2Cwnvom7QiqY=
+golang.org/x/time v0.6.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422 h1:GVIKPyP/kLIyVOgOnTwFOrvQaQUzOzGMCxgFUOEmm24=
 google.golang.org/genproto/googleapis/api v0.0.0-20250106144421-5f5ef82da422/go.mod h1:b6h1vNKhxaSoEI+5jc3PJUCustfli/mRab7295pY7rw=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250102185135-69823020774d h1:xJJRGY7TJcvIlpSrN3K6LAWgNFUILlO+OMAqtg9aqnw=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250102185135-69823020774d/go.mod h1:3ENsm/5D1mzDyhpzeRi1NR784I0BcofWBoSc5QqqMK4=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422 h1:3UsHvIr4Wc2aW4brOaSCmcxh9ksica6fHEr8P1XhkYw=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250106144421-5f5ef82da422/go.mod h1:3ENsm/5D1mzDyhpzeRi1NR784I0BcofWBoSc5QqqMK4=
 google.golang.org/grpc v1.69.2 h1:U3S9QEtbXC0bYNvRtcoklF3xGtLViumSYxWykJS+7AU=
 google.golang.org/grpc v1.69.2/go.mod h1:vyjdE6jLBI76dgpDojsFGNaHlxdjXN9ghpnd2o7JGZ4=
-google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
-google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 google.golang.org/protobuf v1.36.2 h1:R8FeyR1/eLmkutZOM5CWghmo5itiG9z0ktFlTVLuTmU=
 google.golang.org/protobuf v1.36.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

pkg/ambient/ambient.go

@@ -114,6 +114,26 @@ func (aw *AmbientWeather) handleProviderRequest(
 		Any("update", update).
 		Msg("successfully handled update")
 	w.Write([]byte("ok"))
+
+	// Proxy update to one or both services if configured to do so
+	// Uses a weather update to allow awn to publish to wunderground and
+	// visa versa.
+	if station := aw.config.GetStation(update.GetStationName()); station != nil {
+		if station.ProxyToAWN {
+			err := aw.awnProvider.ProxyReq(ctx, update)
+			if err != nil {
+				zerolog.Ctx(aw.appCtx).Err(err).Msg("failed to proxy to ambient weather")
+			}
+		}
+		if station.ProxyToWunderground {
+			err := aw.awnProvider.ProxyReq(ctx, update)
+			if err != nil {
+				zerolog.Ctx(aw.appCtx).Err(err).Msg("failed to proxy to ambient weather")
+			}
+		}
+	}
+
+	return
 }
 
 func (aw *AmbientWeather) InitMetrics() {

pkg/ambient/config.go

@@ -35,3 +35,12 @@ type WeatherStation struct {
 	KeepMetrics []weather.WeatherUpdateField `yaml:"keepMetrics"`
 	DropMetrics []weather.WeatherUpdateField `yaml:"dropMetrics"`
 }
+
+func (wc *AmbientLocalExporterConfig) GetStation(name string) *WeatherStation {
+	for _, station := range wc.WeatherStations {
+		if station.Name == name {
+			return &station
+		}
+	}
+	return nil
+}

pkg/provider/awn/provider.go

@@ -2,18 +2,27 @@ package awn
 
 import (
 	"context"
+	"errors"
 	"net/http"
 	"net/url"
 	"time"
 
+	"github.com/go-resty/resty/v2"
 	"github.com/gorilla/schema"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
 
 	"gitea.libretechconsulting.com/rmcguire/ambient-weather-local-exporter/pkg/weather"
 )
 
 type AWNProvider struct{}
 
-const providerName = "awn"
+const (
+	providerName = "awn"
+	awnURL       = "http://ambientweather.net/data/report"
+)
 
 func (awn *AWNProvider) Name() string {
 	return providerName
@@ -32,6 +41,74 @@ func (awn *AWNProvider) ReqToWeather(_ context.Context, r *http.Request) (
 	return MapAwnUpdate(awnUpdate), nil
 }
 
+// Attempts to proxy the weather station update to awn
+// SAMPLE:
+// {"PASSKEY":["ABF7E052BC7325A32300ACC89112AA91"],"baromabsin":["28.895"],
+// "baromrelin":["29.876"],"battin":["1"],"battout":["1"],"battrain":["1"],
+// "dailyrainin":["0.000"],"dateutc":["2025-01-11 22:07:57"],"eventrainin":["0.000"],
+// "hourlyrainin":["0.000"],"humidity":["76"],"humidityin":["31"],"maxdailygust":["7.83"],
+// "monthlyrainin":["0.000"],"solarradiation":["14.21"],"stationtype":["WeatherHub_V1.0.1"],
+// "tempf":["29.48"],"tempinf":["66.20"],"totalrainin":["0.000"],"uv":["0"],
+// "weeklyrainin":["0.000"],"winddir":["66"],"winddir_avg10m":["268"],"windgustmph":["2.68"],
+// "windspeedmph":["0.00"],"yearlyrainin":["0.000"]}
+func (awn *AWNProvider) ProxyReq(ctx context.Context, update *weather.WeatherUpdate) error {
+	tracer := otel.GetTracer(ctx, "awnProvider", "proxyReq")
+	ctx, span := tracer.Start(ctx, "proxyToAWN")
+	defer span.End()
+
+	if update.WeatherServiceCredentials["PASSKEY"] == "" {
+		err := errors.New("no PASSKEY set in update")
+		span.RecordError(err)
+		return err
+	}
+
+	params := updateToAWNParams(update)
+
+	resp, err := resty.New().R().
+		SetContext(ctx).
+		SetQueryParamsFromValues(*params).
+		Get(awnURL)
+	if err != nil {
+		span.RecordError(err)
+		span.SetStatus(codes.Error, err.Error())
+	}
+
+	span.SetAttributes(
+		attribute.Int("statusCode", resp.StatusCode()),
+		attribute.String("body", string(resp.Body())),
+	)
+
+	return err
+}
+
+func updateToAWNParams(update *weather.WeatherUpdate) *url.Values {
+	params := &url.Values{}
+	params.Set("PASSKEY", update.WeatherServiceCredentials["PASSKEY"])
+	params.Set("dateutc", time.Now().Format(time.DateTime))
+	weather.SetURLVal(params, "baromabsin", update.BaromAbsoluteIn)
+	weather.SetURLVal(params, "baromrelin", update.BaromRelativeIn)
+	weather.SetURLVal(params, "dailyrainin", update.DailyRainIn)
+	weather.SetURLVal(params, "weeklyrainin", update.WeeklyRainIn)
+	weather.SetURLVal(params, "eventrainin", update.EventRainIn)
+	weather.SetURLVal(params, "hourlyrainin", update.HourlyRainIn)
+	weather.SetURLVal(params, "monthlyrainin", update.MonthlyRainIn)
+	weather.SetURLVal(params, "yearlyrainin", update.YearlyRainIn)
+	weather.SetURLVal(params, "totalrainin", update.TotalRainIn)
+	weather.SetURLVal(params, "humidity", update.HumidityOudoor)
+	weather.SetURLVal(params, "humidityin", update.HumidityIndoor)
+	weather.SetURLVal(params, "solarradiation", update.SolarRadiation)
+	weather.SetURLVal(params, "uv", update.UV)
+	weather.SetURLVal(params, "stationtype", update.StationType)
+	weather.SetURLVal(params, "tempf", update.TempOutdoorF)
+	weather.SetURLVal(params, "tempinf", update.TempIndoorF)
+	weather.SetURLVal(params, "winddir", update.WindDir)
+	weather.SetURLVal(params, "winddir_avg10m", update.WindDirAvg10m)
+	weather.SetURLVal(params, "windgustmph", update.WindGustMPH)
+	weather.SetURLVal(params, "windspeedmph", update.WindSpeedMPH)
+	weather.SetURLVal(params, "maxdailygust", update.MaxDailyGust)
+	return params
+}
+
 func MapAwnUpdate(awnUpdate *AmbientWeatherUpdate) *weather.WeatherUpdate {
 	updateTime := time.Now()
 	if awnUpdate.DateUTC != nil {
@@ -41,6 +118,11 @@ func MapAwnUpdate(awnUpdate *AmbientWeatherUpdate) *weather.WeatherUpdate {
 		}
 	}
 
+	credentials := make(map[string]string)
+	if awnUpdate.PassKey != nil {
+		credentials["PASSKEY"] = *awnUpdate.PassKey
+	}
+
 	return &weather.WeatherUpdate{
 		DateUTC:        &updateTime,
 		StationID:      awnUpdate.PassKey,
@@ -79,10 +161,11 @@ func MapAwnUpdate(awnUpdate *AmbientWeatherUpdate) *weather.WeatherUpdate {
 				Status:    awnUpdate.BattCO2,
 			},
 		},
-		TempIndoorF:     awnUpdate.TempInF,
+		TempIndoorF:               awnUpdate.TempInF,
-		HumidityIndoor:  awnUpdate.HumidityIn,
+		HumidityIndoor:            awnUpdate.HumidityIn,
-		BaromRelativeIn: awnUpdate.BaromRelIn,
+		BaromRelativeIn:           awnUpdate.BaromRelIn,
-		BaromAbsoluteIn: awnUpdate.BaromAbsIn,
+		BaromAbsoluteIn:           awnUpdate.BaromAbsIn,
+		WeatherServiceCredentials: credentials,
 	}
 }
 

pkg/provider/provider.go

@@ -11,5 +11,6 @@ import (
 // Ambient Weather Network HTTP requests to a stable struct
 type AmbientProvider interface {
 	ReqToWeather(context.Context, *http.Request) (*weather.WeatherUpdate, error)
+	ProxyReq(context.Context, *weather.WeatherUpdate) error
 	Name() string
 }

pkg/provider/wunderground/provider.go

@@ -13,7 +13,10 @@ import (
 
 type WUProvider struct{}
 
-const providerName = "weatherunderground"
+const (
+	providerName = "weatherunderground"
+	wuURL        = "http://rtupdate.wunderground.com/weatherstation/updateweatherstation.php"
+)
 
 func (wu *WUProvider) Name() string {
 	return providerName
@@ -32,6 +35,29 @@ func (wu *WUProvider) ReqToWeather(_ context.Context, r *http.Request) (
 	return MapWUUpdate(wuUpdate), nil
 }
 
+func (wu *WUProvider) ProxyReq(ctx context.Context, update *weather.WeatherUpdate) error {
+	// tracer := otel.GetTracer(ctx, "wuProvider", "proxyReq")
+	// ctx, span := tracer.Start(ctx, "proxyToWunderground")
+	// defer span.End()
+	//
+	// resp, err := resty.New().R().
+	// 	SetContext(ctx).
+	// 	SetQueryParamsFromValues(r.URL.Query()).
+	// 	Get(wuURL)
+	// if err != nil {
+	// 	span.SetStatus(codes.Error, err.Error())
+	// 	span.RecordError(err)
+	// }
+	//
+	// span.SetAttributes(
+	// 	attribute.Int("statusCode", resp.StatusCode()),
+	// 	attribute.String("body", string(resp.Body())),
+	// )
+	//
+	// return err
+	return nil
+}
+
 func MapWUUpdate(wuUpdate *WundergroundUpdate) *weather.WeatherUpdate {
 	updateTime := time.Now()
 
@@ -42,25 +68,32 @@ func MapWUUpdate(wuUpdate *WundergroundUpdate) *weather.WeatherUpdate {
 		}
 	}
 
+	credentials := make(map[string]string)
+	if wuUpdate.ID != nil && wuUpdate.Password != nil {
+		credentials["ID"] = *wuUpdate.ID
+		credentials["Password"] = *wuUpdate.Password
+	}
+
 	return &weather.WeatherUpdate{
-		DateUTC:         &updateTime,
+		DateUTC:                   &updateTime,
-		StationID:       wuUpdate.ID,
+		StationID:                 wuUpdate.ID,
-		StationType:     wuUpdate.SoftwareType,
+		StationType:               wuUpdate.SoftwareType,
-		TempOutdoorF:    wuUpdate.Tempf,
+		TempOutdoorF:              wuUpdate.Tempf,
-		HumidityOudoor:  wuUpdate.Humidity,
+		HumidityOudoor:            wuUpdate.Humidity,
-		WindSpeedMPH:    wuUpdate.WindGustMPH,
+		WindSpeedMPH:              wuUpdate.WindGustMPH,
-		WindGustMPH:     wuUpdate.WindGustMPH,
+		WindGustMPH:               wuUpdate.WindGustMPH,
-		WindDir:         wuUpdate.WindDir,
+		WindDir:                   wuUpdate.WindDir,
-		UV:              wuUpdate.UV,
+		UV:                        wuUpdate.UV,
-		SolarRadiation:  wuUpdate.SolarRadiation,
+		SolarRadiation:            wuUpdate.SolarRadiation,
-		HourlyRainIn:    wuUpdate.RainIn,
+		HourlyRainIn:              wuUpdate.RainIn,
-		DailyRainIn:     wuUpdate.DailyRainIn,
+		DailyRainIn:               wuUpdate.DailyRainIn,
-		WeeklyRainIn:    wuUpdate.WeeklyRainIn,
+		WeeklyRainIn:              wuUpdate.WeeklyRainIn,
-		MonthlyRainIn:   wuUpdate.MonthlyRainIn,
+		MonthlyRainIn:             wuUpdate.MonthlyRainIn,
-		YearlyRainIn:    wuUpdate.YearlyRainIn,
+		YearlyRainIn:              wuUpdate.YearlyRainIn,
-		TempIndoorF:     wuUpdate.IndoorTempF,
+		TempIndoorF:               wuUpdate.IndoorTempF,
-		HumidityIndoor:  wuUpdate.IndoorHumidity,
+		HumidityIndoor:            wuUpdate.IndoorHumidity,
-		BaromRelativeIn: wuUpdate.BaromIn,
+		BaromRelativeIn:           wuUpdate.BaromIn,
+		WeatherServiceCredentials: credentials,
 	}
 }
 

pkg/weather/enrich.go

@@ -1,6 +1,10 @@
 package weather
 
-import "math"
+import (
+	"math"
+	"net/url"
+	"strconv"
+)
 
 // Attempts to complete missing fields that may not
 // be set by a specific provider, such as DewPoint and WindChill
@@ -53,3 +57,31 @@ func CalculateWindChill(tempF float64, windSpeedMPH float64) float64 {
 		35.75*math.Pow(windSpeedMPH, 0.16) +
 		0.4275*tempF*math.Pow(windSpeedMPH, 0.16)
 }
+
+// Helper function to set values from fields
+// typically from a WeatherUpdate
+func SetURLVal(vals *url.Values, key string, value any) {
+	if value == nil {
+		return
+	}
+
+	switch v := value.(type) {
+	case *float64:
+		if v == nil {
+			return
+		}
+		str := strconv.FormatFloat(*v, 'f', 4, 64)
+		vals.Set(key, str)
+	case *int:
+		if v == nil {
+			return
+		}
+		str := strconv.FormatInt(int64(*v), 10)
+		vals.Set(key, str)
+	case *string:
+		if v == nil {
+			return
+		}
+		vals.Set(key, *v)
+	}
+}

pkg/weather/types.go

@@ -36,6 +36,9 @@ type WeatherUpdate struct {
 	// if not otherwise set
 	DewPointF  *float64
 	WindChillF *float64
+	// First URL parameters given to AWN/Wunderground
+	// if proxying is enabled
+	WeatherServiceCredentials map[string]string
 }
 
 type StationInfo struct {
@@ -82,3 +85,17 @@ const (
 	FieldDewPointF       WeatherUpdateField = "DewPointF"
 	FieldWindChillF      WeatherUpdateField = "WindChillF"
 )
+
+func (u *WeatherUpdate) GetStationName() string {
+	if u.StationInfo != nil {
+		return u.StationInfo.GetName()
+	}
+	return ""
+}
+
+func (si *StationInfo) GetName() string {
+	if si.Name != nil {
+		return *si.Name
+	}
+	return ""
+}