small fixes

src/main/java/dev/ksan/travelpathoptimizer/app/TravelPathOptimizerApplication.java

@@ -1,20 +1,18 @@
 package dev.ksan.travelpathoptimizer.app;
 
-import java.io.IOException;
-
 import dev.ksan.travelpathoptimizer.util.TicketPrinter;
+import java.io.IOException;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
-import javafx.scene.Group;
 import javafx.scene.Scene;
 import javafx.scene.image.Image;
-import javafx.scene.paint.Color;
 import javafx.stage.Stage;
 
 public class TravelPathOptimizerApplication extends Application {
   @Override
   public void start(Stage stage) throws IOException {
     TicketPrinter.loadCounter();
+    System.out.println(TicketPrinter.getTotalProfit() + " " + TicketPrinter.getTicketsSoldNum());
     FXMLLoader fxmlLoader =
         new FXMLLoader(TravelPathOptimizerApplication.class.getResource("main.fxml"));
 
@@ -33,4 +31,3 @@ public class TravelPathOptimizerApplication extends Application {
     launch();
   }
 }
-

src/main/java/dev/ksan/travelpathoptimizer/util/TicketPrinter.java

@@ -10,7 +10,7 @@ import java.util.List;
 public class TicketPrinter {
   private static final String COUNTER_FILE = "ticket_counter.txt";
   private static final String RECEIPTS_DIRECTORY = "receipts";
-  private static final double totalProfit = 0.0;
+  private static double totalProfit = 0.0;
   private static int ticketIdCounter = 0;
 
   public static void generateTicketReceipt(List<Departure> departures, double totalPrice) {
@@ -44,7 +44,7 @@ public class TicketPrinter {
 
     receipt.append("-----------------------------------------------------\n");
     receipt.append("Total Price: $").append(String.format("%.2f", totalPrice)).append("\n");
-
+    totalProfit += totalPrice;
     receipt.append("=====================================================\n");
     receipt.append("Thank you for choosing our service!\n");
     folderExists();
@@ -78,20 +78,40 @@ public class TicketPrinter {
     try {
       Path path = Paths.get(COUNTER_FILE);
       if (Files.exists(path)) {
-        String counter = new String(Files.readAllBytes(path)).trim();
-        ticketIdCounter = Integer.parseInt(counter);
+        List<String> lines = Files.readAllLines(path);
+
+        for (String line : lines) {
+          String[] parts = line.split("=");
+          if ("ticketIdCounter".equals(parts[0].trim())) {
+            ticketIdCounter = Integer.parseInt(parts[1].trim());
+          } else if ("totalProfit".equals(parts[0].trim())) {
+            totalProfit = Double.parseDouble(parts[1].trim());
+          }
+        }
       } else {
         ticketIdCounter = 0;
+        totalProfit = 0.0;
       }
     } catch (Exception e) {
       e.printStackTrace();
       ticketIdCounter = 0;
+      totalProfit = 0.0;
     }
   }
 
+  public static double getTotalProfit() {
+    return totalProfit;
+  }
+
+  public static int getTicketsSoldNum() {
+    return ticketIdCounter;
+  }
+
   private static void saveCounter() {
     try {
-      Files.write(Paths.get(COUNTER_FILE), String.valueOf(ticketIdCounter).getBytes());
+      String str = "ticketIdCounter=" + ticketIdCounter + "\n" + "totalProfit=" + totalProfit;
+      Files.write(Paths.get(COUNTER_FILE), str.getBytes());
+
     } catch (Exception e) {
       e.printStackTrace();
     }