Proxy support for AWN/Wunderground

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 ""
+}