Latest fix

backend/main.go

@@ -67,42 +67,68 @@ func fetchExchangeRate() (float64, error) {
 func fetchStockPrice(ticker string) (float64, error) {
 	client := &http.Client{Timeout: 10 * time.Second}
 
-	// Try Yahoo Finance API
-	url := fmt.Sprintf("https://query1.finance.yahoo.com/v8/finance/chart/%s?interval=1d&range=1d", ticker)
-	req, err := http.NewRequest("GET", url, nil)
-	if err != nil {
-		return 0, err
+	// Try different ticker formats for European stocks
+	tickersToTry := []string{ticker}
+
+	// If ticker doesn't have exchange suffix, try adding common ones
+	if !strings.Contains(ticker, ".") {
+		tickersToTry = append(tickersToTry,
+			ticker+".L",  // London Stock Exchange
+			ticker+".AS", // Amsterdam
+			ticker+".PA", // Paris
+			ticker+".DE", // XETRA (Germany)
+			ticker+".MI", // Milan
+		)
 	}
 
-	req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36")
+	var lastErr error
+	for _, tryTicker := range tickersToTry {
+		// Try Yahoo Finance API
+		url := fmt.Sprintf("https://query1.finance.yahoo.com/v8/finance/chart/%s?interval=1d&range=1d", tryTicker)
+		req, err := http.NewRequest("GET", url, nil)
+		if err != nil {
+			lastErr = err
+			continue
+		}
 
-	resp, err := client.Do(req)
-	if err != nil {
-		return 0, fmt.Errorf("failed to fetch from Yahoo: %w", err)
-	}
-	defer resp.Body.Close()
+		req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36")
 
-	body, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return 0, fmt.Errorf("failed to read response: %w", err)
-	}
+		resp, err := client.Do(req)
+		if err != nil {
+			lastErr = fmt.Errorf("failed to fetch from Yahoo: %w", err)
+			continue
+		}
+		defer resp.Body.Close()
 
-	var chartData YahooChartResponse
-	if err := json.Unmarshal(body, &chartData); err != nil {
-		return 0, fmt.Errorf("failed to decode Yahoo response: %w", err)
-	}
+		body, err := io.ReadAll(resp.Body)
+		if err != nil {
+			lastErr = fmt.Errorf("failed to read response: %w", err)
+			continue
+		}
 
-	if chartData.Chart.Error != nil {
-		return 0, fmt.Errorf("Yahoo API error: %s", chartData.Chart.Error.Description)
-	}
+		var chartData YahooChartResponse
+		if err := json.Unmarshal(body, &chartData); err != nil {
+			lastErr = fmt.Errorf("failed to decode Yahoo response: %w", err)
+			continue
+		}
 
-	if len(chartData.Chart.Result) > 0 {
-		price := chartData.Chart.Result[0].Meta.RegularMarketPrice
-		if price > 0 {
-			return price, nil
+		if chartData.Chart.Error != nil {
+			lastErr = fmt.Errorf("Yahoo API error: %s", chartData.Chart.Error.Description)
+			continue
+		}
+
+		if len(chartData.Chart.Result) > 0 {
+			price := chartData.Chart.Result[0].Meta.RegularMarketPrice
+			if price > 0 {
+				log.Printf("Successfully fetched price for %s (tried as %s): $%.2f", ticker, tryTicker, price)
+				return price, nil
+			}
 		}
 	}
 
+	if lastErr != nil {
+		return 0, fmt.Errorf("price not found after trying all formats: %w", lastErr)
+	}
 	return 0, fmt.Errorf("price not found in response")
 }