fix - carto now requires api keys

cmd/root.go

@@ -25,6 +25,7 @@ var (
 	flagGeoIP      string
 	flagSplitByDay bool
 	flagTheme      string
+	flagMapAPIKey  string
 )
 
 var rootCmd = &cobra.Command{
@@ -46,6 +47,8 @@ func init() {
 	rootCmd.Flags().BoolVar(&flagSplitByDay, "split-by-day", false, "Write one HTML report per calendar day plus an index page")
 	rootCmd.Flags().StringVar(&flagTheme, "theme", report.DefaultTheme,
 		"Report visual theme ("+strings.Join(report.ThemeNames(), ", ")+")")
+	rootCmd.Flags().StringVar(&flagMapAPIKey, "map-api-key", os.Getenv("NXSTATS_MAP_API_KEY"),
+		"CARTO basemap API key, appended to map tile URLs as ?key= (env: NXSTATS_MAP_API_KEY)")
 }
 
 // validateTheme returns an error if name is not a recognized theme.
@@ -108,6 +111,7 @@ func runE(cmd *cobra.Command, args []string) error {
 		AccessEntries: accessEntries,
 		ErrorEntries:  errorEntries,
 		Theme:         flagTheme,
+		MapAPIKey:     flagMapAPIKey,
 	}
 	report.ComputeStats(&data)
 
@@ -212,6 +216,7 @@ func runSplitByDay(
 	for i := range days {
 		days[i].Data.IndexFile = indexBase
 		days[i].Data.DayTitle = days[i].Date.Format("2006-01-02")
+		days[i].Data.MapAPIKey = flagMapAPIKey
 
 		// Per-day geo: set Count from this day's access entries
 		if len(geoPoints) > 0 {