added caching to map results

map.go

@@ -14,11 +14,20 @@ type NominatimResponse struct {
 }
 
 func geocodeQuery(query string) (latitude, longitude string, found bool, err error) {
+	// First, check if the result is in the cache
+	cachedLat, cachedLon, cachedFound, exists := geocodeCache.Get(query)
+	if exists {
+		printDebug("Geocode cache hit for query: %s", query)
+		return cachedLat, cachedLon, cachedFound, nil
+	}
+
+	printDebug("Geocode cache miss for query: %s", query)
+
 	// URL encode the query
-	query = url.QueryEscape(query)
+	queryEscaped := url.QueryEscape(query)
 
 	// Construct the request URL
-	urlString := fmt.Sprintf("https://nominatim.openstreetmap.org/search?format=json&q=%s", query)
+	urlString := fmt.Sprintf("https://nominatim.openstreetmap.org/search?format=json&q=%s", queryEscaped)
 
 	// Make the HTTP GET request
 	resp, err := http.Get(urlString)
@@ -37,10 +46,15 @@ func geocodeQuery(query string) (latitude, longitude string, found bool, err err
 	if len(result) > 0 {
 		latitude = result[0].Lat
 		longitude = result[0].Lon
-		return latitude, longitude, true, nil
+		found = true
+	} else {
+		found = false
 	}
 
-	return "", "", false, nil
+	// Store the result in the cache
+	geocodeCache.Set(query, latitude, longitude, found)
+
+	return latitude, longitude, found, nil
 }
 
 func handleMapSearch(w http.ResponseWriter, settings UserSettings, query string) {