defaulted to latest timestamp if time parameter is empty for getFeatu…

…reInfo (#246)

ows.go

@@ -153,11 +153,23 @@ func serveWMS(ctx context.Context, params utils.WMSParams, conf *utils.Config, r
 			return
 		}
 
-		var timeStr string
-		if params.Time != nil {
-			timeStr = fmt.Sprintf(`"time": "%s"`, (*params.Time).Format(utils.ISOFormat))
+		if params.Time == nil {
+			idx, err := utils.GetLayerIndex(params, conf)
+			if err != nil {
+				http.Error(w, fmt.Sprintf("Malformed getFeatureInfo request: %s", reqURL), 400)
+				return
+			}
+
+			currentTime, err := utils.GetCurrentTimeStamp(conf.Layers[idx].Dates)
+			if err != nil {
+				http.Error(w, fmt.Sprintf("%v: %s", err, reqURL), 400)
+				return
+			}
+			params.Time = currentTime
 		}
 
+		timeStr := fmt.Sprintf(`"time": "%s"`, (*params.Time).Format(utils.ISOFormat))
+
 		feat_info, err := proc.GetFeatureInfo(ctx, params, conf, *verbose)
 		if err != nil {
 			feat_info = fmt.Sprintf(`"error": "%v"`, err)

processor/feature_info.go

@@ -125,7 +125,7 @@ func GetFeatureInfo(ctx context.Context, params utils.WMSParams, conf *utils.Con
 func getRaster(ctx context.Context, params utils.WMSParams, conf *utils.Config, verbose bool) ([]utils.Raster, []string, []string, error) {
 	idx, err := utils.GetLayerIndex(params, conf)
 	if err != nil {
-		return nil, nil, nil, fmt.Errorf("Malformed WMS GetMap request: %v", err)
+		return nil, nil, nil, fmt.Errorf("Malformed WMS GetFeatureInfo request: %v", err)
 	}
 	if params.Time == nil {
 		return nil, nil, nil, fmt.Errorf("Request should contain a valid time.")