Updates in preparation for adding forecast sources.

internal/sources/nws/alerts.go

@@ -3,52 +3,37 @@ package nws
 import (
 	"context"
 	"fmt"
-	"strings"
 
 	"gitea.maximumdirect.net/ejr/feedkit/config"
 	"gitea.maximumdirect.net/ejr/feedkit/event"
+	"gitea.maximumdirect.net/ejr/weatherfeeder/internal/sources/common"
 )
 
+// AlertsSource polls an NWS alerts endpoint and will emit RAW alert Events.
+// For now Poll remains TODO; this file just migrates to the shared HTTPSource spine.
 type AlertsSource struct {
-	name      string
-	url       string
-	userAgent string
+	http *common.HTTPSource
 }
 
 func NewAlertsSource(cfg config.SourceConfig) (*AlertsSource, error) {
-	if strings.TrimSpace(cfg.Name) == "" {
-		return nil, fmt.Errorf("nws_alerts: name is required")
-	}
-	if cfg.Params == nil {
-		return nil, fmt.Errorf("nws_alerts %q: params are required (need params.url and params.user_agent)", cfg.Name)
+	const driver = "nws_alerts"
+
+	// NWS APIs are typically GeoJSON; allow fallback to plain JSON as well.
+	hs, err := common.NewHTTPSource(driver, cfg, "application/geo+json, application/json")
+	if err != nil {
+		return nil, err
 	}
 
-	// Driver-specific options live in cfg.Params to keep feedkit domain-agnostic.
-	// Use the typed accessor so callers can’t accidentally pass non-strings to TrimSpace.
-	url, ok := cfg.ParamString("url", "URL")
-	if !ok {
-		return nil, fmt.Errorf("nws_alerts %q: params.url is required", cfg.Name)
-	}
-
-	ua, ok := cfg.ParamString("user_agent", "userAgent")
-	if !ok {
-		return nil, fmt.Errorf("nws_alerts %q: params.user_agent is required", cfg.Name)
-	}
-
-	return &AlertsSource{
-		name:      cfg.Name,
-		url:       url,
-		userAgent: ua,
-	}, nil
+	return &AlertsSource{http: hs}, nil
 }
 
-func (s *AlertsSource) Name() string { return s.name }
+func (s *AlertsSource) Name() string { return s.http.Name }
 
 // Kind is used for routing/policy.
-// The envelope type is event.Event; payload will eventually be something like model.WeatherAlert.
+// The envelope type is event.Event; payload will eventually normalize into model.WeatherAlert.
 func (s *AlertsSource) Kind() event.Kind { return event.Kind("alert") }
 
 func (s *AlertsSource) Poll(ctx context.Context) ([]event.Event, error) {
 	_ = ctx
-	return nil, fmt.Errorf("nws.AlertsSource.Poll: TODO implement (url=%s)", s.url)
+	return nil, fmt.Errorf("nws.AlertsSource.Poll: TODO implement")
 }