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added ticket printer and improved other functionalities

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This commit is contained in:
Ksan 2025-08-04 22:44:20 +02:00
parent aa2b21e515
commit 12ab19b864
8 changed files with 380 additions and 29 deletions
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5
.gitignore vendored
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@ -1,6 +1,7 @@
transport_data.json
ticket_counter.txt
todo
receipts/
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/

4
src/main/java/dev/ksan/travelpathoptimizer/app/TravelPathOptimizerApplication.java
View File

@ -1,6 +1,8 @@
package dev.ksan.travelpathoptimizer.app;
import java.io.IOException;
import dev.ksan.travelpathoptimizer.util.TicketPrinter;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Group;
@ -12,7 +14,7 @@ import javafx.stage.Stage;
public class TravelPathOptimizerApplication extends Application {
@Override
public void start(Stage stage) throws IOException {
TicketPrinter.loadCounter();
FXMLLoader fxmlLoader =
new FXMLLoader(TravelPathOptimizerApplication.class.getResource("main.fxml"));

225
src/main/java/dev/ksan/travelpathoptimizer/controller/MainController.java
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@ -2,20 +2,32 @@ package dev.ksan.travelpathoptimizer.controller;
import dev.ksan.travelpathoptimizer.app.TransportDataGenerator;
import dev.ksan.travelpathoptimizer.graph.Graph;
import dev.ksan.travelpathoptimizer.graph.PathResult;
import dev.ksan.travelpathoptimizer.model.City;
import dev.ksan.travelpathoptimizer.model.Departure;
import dev.ksan.travelpathoptimizer.model.Location;
import dev.ksan.travelpathoptimizer.service.CityManager;
import dev.ksan.travelpathoptimizer.util.JsonParser;
import dev.ksan.travelpathoptimizer.util.TicketPrinter;
import java.io.File;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Optional;
import javafx.application.Platform;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.concurrent.Task;
import javafx.fxml.FXML;
import javafx.scene.control.Button;
import javafx.scene.control.ChoiceBox;
import javafx.scene.control.Label;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TextField;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.ColumnConstraints;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
@ -41,9 +53,9 @@ public class MainController {
@FXML private TextField endCityText;
@FXML private Button startCityButton;
@FXML private Button endCityButton;
private HashMap<Integer, Departure> departuresMap = new HashMap<>();
private Graph graph;
City[][] cities;
private City[][] cities;
private File selectedFile;
@FXML private Button openFileButton;
@FXML private TextField nTextField;
@ -58,30 +70,132 @@ public class MainController {
@FXML private HBox routeView;
@FXML private Text totalTicketPriceText;
@FXML private Button buyButton;
@FXML private TableView<Departure> resultTable;
@FXML private TableColumn<Departure, String> tabDepartureCol;
@FXML private TableColumn<Departure, String> tabArrivalCol;
@FXML private TableColumn<Departure, String> tabTypeCol;
@FXML private TableColumn<Departure, Double> tabCostCol;
@FXML private ChoiceBox<String> pathChoiceBox;
@FXML
private void buyTicket() {
TicketPrinter printer = new TicketPrinter();
printer.generateTicketReceipt(
updateUiGetList(), Double.parseDouble(totalTicketPriceText.getText()));
}
@FXML
private void findTopPaths() {
graph.reset();
if (this.startCity != null && this.endCity != null) {
List<City> path = new ArrayList<>();
updateUiGetList();
pathChoiceBox.getItems().clear();
startButton.setDisable(true);
startCityText.setDisable(true);
startCityButton.setDisable(true);
endCityButton.setDisable(true);
endCityText.setDisable(true);
List<Integer> departuress = new ArrayList<>();
LocalTime currentTime = LocalTime.of(1, 0);
double totalCost = 0.0;
Task<Void> task =
new Task<Void>() {
@Override
protected Void call() throws Exception {
graph.reset();
if (startCity != null && endCity != null) {
List<City> path = new ArrayList<>();
List<Integer> departures = new ArrayList<>();
LocalTime currentTime = LocalTime.of(1, 0);
double totalCost = 0.0;
graph.calculateTopPaths(
this.startCity,
this.endCity,
path,
totalCost,
currentTime,
departuress,
categoryBox.getValue().toString());
System.out.println(graph.getTopPaths().size());
// Output the top 5 paths
graph.printTopPaths();
System.out.println(startCity.getName() + endCity.getName());
System.out.println(categoryBox.getValue().toString());
graph.calculateTopPaths(
startCity,
endCity,
path,
totalCost,
currentTime,
departures,
categoryBox.getValue().toString());
System.out.println(graph.getTopPaths().size());
System.out.println(startCity.getName() + endCity.getName());
if (graph.getTopPaths().isEmpty()) return null;
Platform.runLater(
() -> {
for (PathResult pathResult : graph.getSortedPaths()) {
pathChoiceBox.getItems().add("Route: " + String.valueOf(pathResult.getId()));
}
pathChoiceBox.setValue(
"Route: " + String.valueOf(graph.getSortedPaths().getFirst().getId()));
updateUiGetList();
});
}
return null;
}
@Override
protected void succeeded() {
super.succeeded();
startButton.setDisable(false);
startCityText.setDisable(false);
startCityButton.setDisable(false);
endCityButton.setDisable(false);
endCityText.setDisable(false);
if (!routeView.isVisible()) showRouteView();
}
@Override
protected void failed() {
super.failed();
startButton.setDisable(false);
startCityText.setDisable(false);
startCityButton.setDisable(false);
endCityButton.setDisable(false);
endCityText.setDisable(false);
}
};
new Thread(task).start();
}
private synchronized ObservableList<Departure> updateUiGetList() {
ObservableList<Departure> departureList = FXCollections.observableArrayList();
while (pathChoiceBox == null) {
try {
Thread.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
if (graph.getTopPaths().size() > 0) {
Optional<List<Integer>> departuresOpt =
graph.getSortedPaths().stream()
.filter(
item ->
item.getId()
== Integer.parseInt(pathChoiceBox.getValue().replaceAll("[^0-9]", "")))
.map(PathResult::getDeparturesUsed)
.findFirst();
if (departuresOpt.isPresent()) {
for (Integer dep : departuresOpt.get()) {
departureList.add(departuresMap.get(dep));
}
} else {
System.out.println("No matching PathResult found.");
}
}
System.out.println(departureList.size());
resultTable.setItems(departureList);
resultTable.refresh();
double totalTicketPrice = calculateTotalCost(departureList);
Platform.runLater(
() -> {
totalTicketPriceText.setText(String.format("%.2f", totalTicketPrice));
});
return departureList;
}
@FXML
@ -153,12 +267,12 @@ public class MainController {
startCity = cities[currentRow][currentCol];
startCityText.setText(startCity.getName());
selectingStart = false;
updateMap(); // redraw grid with updated startCity style
updateMap();
} else if (selectingEnd) {
endCity = cities[currentRow][currentCol];
endCityText.setText(endCity.getName());
selectingEnd = false;
updateMap(); // redraw grid with updated endCity style
updateMap();
}
});
thisCell.setStyle("-fx-border-color: black; -fx-background-color: white;");
@ -200,10 +314,64 @@ public class MainController {
@FXML
public void initialize() {
pathChoiceBox.setOnAction(
event -> {
updateUiGetList();
});
categoryBox.getItems().addAll("time", "price", "hops");
categoryBox.setValue("time");
tabDepartureCol.setCellFactory(
column ->
new TableCell<Departure, String>() {
@Override
protected void updateItem(String item, boolean empty) {
super.updateItem(item, empty);
if (empty || getTableRow() == null || getTableRow().getItem() == null) {
setText(null);
} else {
Departure dep = getTableRow().getItem();
String departureInfo =
dep.getFrom() + " (" + dep.getDepartureTime().toString() + ")";
setText(departureInfo);
}
}
});
tabArrivalCol.setCellFactory(
column ->
new TableCell<Departure, String>() {
@Override
protected void updateItem(String item, boolean empty) {
super.updateItem(item, empty);
if (empty || getTableRow() == null || getTableRow().getItem() == null) {
setText(null);
} else {
Departure dep = getTableRow().getItem();
String departureInfo = dep.getTo() + " (" + dep.getArrivalTime().toString() + ")";
setText(departureInfo);
}
}
});
tabTypeCol.setCellFactory(
column ->
new TableCell<Departure, String>() {
@Override
protected void updateItem(String item, boolean empty) {
super.updateItem(item, empty);
if (empty || getTableRow() == null || getTableRow().getItem() == null) {
setText(null);
} else {
Departure dep = getTableRow().getItem();
setText(dep.getType().toString());
}
}
});
tabCostCol.setCellValueFactory(new PropertyValueFactory<>("price"));
endCityText
.textProperty()
.addListener(
@ -214,8 +382,8 @@ public class MainController {
} else {
City match = CityManager.getCityByName(newText.trim());
System.out.println("Selected end: " + match.getName());
if (match != null) {
System.out.println("Selected end: " + match.getName());
endCity = match;
endCityText.setStyle("-fx-text-fill: green;");
} else {
@ -236,8 +404,9 @@ public class MainController {
} else {
City match = CityManager.getCityByName(newText.trim());
System.out.println("Selected start: " + match.getName());
if (match != null) {
System.out.println("Selected start: " + match.getName());
startCity = match;
startCityText.setStyle("-fx-text-fill: green;");
} else {
@ -250,6 +419,14 @@ public class MainController {
});
}
private double calculateTotalCost(ObservableList<Departure> depList) {
double totalCost = 0.0;
for (Departure dep : depList) {
totalCost += dep.getPrice();
}
return totalCost;
}
@FXML
void generateNewMap() {
if (!nTextField.getText().isEmpty() && !mTextField.getText().isEmpty()) {
@ -272,7 +449,9 @@ public class MainController {
CityManager.clear();
List<City> cities = JsonParser.parseCities("transport_data.json", "stations");
List<Departure> departures = JsonParser.getDeparturesList("transport_data.json", "departures");
for (Departure dep : departures) {
this.departuresMap.put(dep.getIdCounter(), dep);
for (City city : cities) {
if (dep.getTo().equals(city.getName())) {
dep.setToCity(city);

6
src/main/java/dev/ksan/travelpathoptimizer/graph/Graph.java
View File

@ -78,6 +78,11 @@ public class Graph {
printTopPaths();
}
public List<PathResult> getSortedPaths(){
List<PathResult> pathList = new ArrayList<>(topPaths);
pathList.sort(Comparator.comparingDouble(PathResult::getCost));
return pathList;
}
public void reset() {
topPaths.clear();
pathIdCounter = 1;
@ -155,6 +160,7 @@ public class Graph {
cost += dep.getPrice();
} else if (type.equals("hops")) {
cost++;
if(!topPaths.isEmpty() && totalCost + cost >= topPaths.peek().getCost()) continue;
} else {
return;
}

5
src/main/java/dev/ksan/travelpathoptimizer/model/Departure.java
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@ -11,6 +11,7 @@ public class Departure {
private String to;
private int duration;
private LocalTime departureTime;
private LocalTime arrivalTime;
private double price;
private int minTransferTime;
private City toCity;
@ -32,6 +33,7 @@ public class Departure {
this.duration = duration;
this.price = price;
this.minTransferTime = minTransferTime;
this.arrivalTime = this.departureTime.plusMinutes(duration);
}
public int getIdCounter() {
return id;
@ -48,6 +50,9 @@ public class Departure {
public LocalTime getDepartureTime() {
return departureTime;
}
public LocalTime getArrivalTime() {
return arrivalTime;
}
public TransportType getType() {
return type;
}

103
src/main/java/dev/ksan/travelpathoptimizer/util/TicketPrinter.java Normal file
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@ -0,0 +1,103 @@
package dev.ksan.travelpathoptimizer.util;
import dev.ksan.travelpathoptimizer.model.Departure;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDate;
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 int ticketIdCounter = 0;
public static void generateTicketReceipt(List<Departure> departures, double totalPrice) {
LocalDate currentDate = LocalDate.now();
StringBuilder receipt = new StringBuilder();
receipt.append("=====================================================\n");
receipt.append(" TICKET RECEIPT\n");
receipt.append(" Ksan Travel Optimizer\n");
receipt.append("=====================================================\n");
receipt.append("Ticket ID: ").append(getNextId()).append("\n");
saveCounter();
receipt.append("Date: ").append(currentDate).append("\n");
receipt.append("From: ").append(departures.getFirst().getFrom()).append("\n");
receipt.append("To: ").append(departures.getLast().getTo()).append("\n");
receipt.append("-----------------------------------------------------\n");
receipt.append("Departure Prices:\n");
for (Departure dep : departures) {
receipt
.append(" - ")
.append(dep.getFrom())
.append(" -> ")
.append(dep.getTo())
.append(" | Price: $")
.append(String.format("%.2f", dep.getPrice()))
.append("\n");
}
receipt.append("-----------------------------------------------------\n");
receipt.append("Total Price: $").append(String.format("%.2f", totalPrice)).append("\n");
receipt.append("=====================================================\n");
receipt.append("Thank you for choosing our service!\n");
folderExists();
writeReceipt(receipt.toString());
}
private static void writeReceipt(String receipt) {
Path receiptFile = Paths.get(RECEIPTS_DIRECTORY, "receipt_" + ticketIdCounter + ".txt");
try {
Files.write(receiptFile, receipt.getBytes());
System.out.println("Receipt saved to: " + receiptFile.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
private static void folderExists() {
Path path = Paths.get(RECEIPTS_DIRECTORY);
if (!Files.exists(path)) {
try {
Files.createDirectory(path);
} catch (Exception e) {
e.printStackTrace();
}
}
}
public static void loadCounter() {
try {
Path path = Paths.get(COUNTER_FILE);
if (Files.exists(path)) {
String counter = new String(Files.readAllBytes(path)).trim();
ticketIdCounter = Integer.parseInt(counter);
} else {
ticketIdCounter = 0;
}
} catch (Exception e) {
e.printStackTrace();
ticketIdCounter = 0;
}
}
private static void saveCounter() {
try {
Files.write(Paths.get(COUNTER_FILE), String.valueOf(ticketIdCounter).getBytes());
} catch (Exception e) {
e.printStackTrace();
}
}
private static int getNextId() {
return ++ticketIdCounter;
}
}

2
src/main/java/module-info.java
View File

@ -3,6 +3,7 @@ module dev.ksan.travelpathoptimizer {
requires javafx.fxml;
requires java.desktop;
requires javafx.graphics;
requires javafx.base;
opens dev.ksan.travelpathoptimizer to
javafx.fxml;
@ -38,4 +39,3 @@ module dev.ksan.travelpathoptimizer {
opens dev.ksan.travelpathoptimizer.graph to
javafx.fxml;
}

59
src/main/resources/dev/ksan/travelpathoptimizer/app/main.fxml
View File

@ -2,7 +2,10 @@
<?import javafx.geometry.Insets?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.ChoiceBox?>
<?import javafx.scene.control.Label?>
<?import javafx.scene.control.TableColumn?>
<?import javafx.scene.control.TableView?>
<?import javafx.scene.control.TextField?>
<?import javafx.scene.image.Image?>
<?import javafx.scene.image.ImageView?>
@ -100,6 +103,7 @@
</VBox>
<VBox fx:id="calculatorSideBar" managed="true" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" prefHeight="354.0" prefWidth="180.0" visible="true">
<children>
<Text fx:id="sectionText1" strokeType="OUTSIDE" strokeWidth="0.0" text="Path Calculator" textAlignment="CENTER" wrappingWidth="179.2100067138672" />
<HBox prefHeight="32.0" prefWidth="180.0">
<children>
<Text strokeType="OUTSIDE" strokeWidth="0.0" text="Map:" textAlignment="CENTER" wrappingWidth="37.562997817993164">
@ -114,7 +118,6 @@
</Button>
</children>
</HBox>
<Text fx:id="sectionText1" strokeType="OUTSIDE" strokeWidth="0.0" text="Path Calculator" textAlignment="CENTER" wrappingWidth="179.2100067138672" />
<HBox prefHeight="39.0" prefWidth="180.0">
<children>
<Text strokeType="OUTSIDE" strokeWidth="0.0" text="Start:">
@ -153,6 +156,25 @@
<Insets left="10.0" right="10.0" top="-5.0" />
</VBox.margin>
</Button>
<HBox prefHeight="52.0" prefWidth="180.0">
<children>
<Text strokeType="OUTSIDE" strokeWidth="0.0" text="Category:">
<HBox.margin>
<Insets left="10.0" top="13.0" />
</HBox.margin>
</Text>
<ChoiceBox fx:id="categoryBox" prefWidth="150.0">
<HBox.margin>
<Insets left="10.0" right="10.0" top="10.0" />
</HBox.margin>
</ChoiceBox>
</children>
</HBox>
<Button fx:id="startButton" mnemonicParsing="false" onAction="#findTopPaths" prefHeight="26.0" prefWidth="185.0" text="Start">
<VBox.margin>
<Insets left="15.0" right="15.0" top="15.0" />
</VBox.margin>
</Button>
</children>
</VBox>
<GridPane fx:id="map" alignment="CENTER" gridLinesVisible="true" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" HBox.hgrow="ALWAYS">
@ -175,6 +197,39 @@
<Insets />
</VBox.margin>
</HBox>
<HBox prefHeight="100.0" prefWidth="200.0" />
<HBox fx:id="routeView" prefHeight="148.0" prefWidth="1000.0">
<children>
<VBox prefHeight="148.0" prefWidth="807.0">
<children>
<TableView fx:id="resultTable" maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" prefHeight="200.0" prefWidth="200.0">
<columns>
<TableColumn fx:id="tabDepartureCol" prefWidth="300.0" text="Departure" />
<TableColumn fx:id="tabArrivalCol" prefWidth="300.0" text="Arrival" />
<TableColumn fx:id="tabTypeCol" prefWidth="100.0" text="Type" />
<TableColumn fx:id="tabCostCol" prefWidth="100.0" text="Cost" />
</columns>
</TableView>
</children></VBox>
<VBox maxHeight="1.7976931348623157E308" maxWidth="1.7976931348623157E308" prefHeight="148.0" prefWidth="194.0">
<children>
<ChoiceBox fx:id="pathChoiceBox" prefHeight="26.0" prefWidth="182.0">
<VBox.margin>
<Insets left="15.0" right="15.0" top="2.0" />
</VBox.margin>
</ChoiceBox>
<Text strokeType="OUTSIDE" strokeWidth="0.0" text="Total:" textAlignment="CENTER" wrappingWidth="196.91699981689453">
<VBox.margin>
<Insets top="15.0" />
</VBox.margin>
</Text>
<Text fx:id="totalTicketPriceText" strokeType="OUTSIDE" strokeWidth="0.0" text="0.0" textAlignment="CENTER" wrappingWidth="201.13000106811523" />
<Button fx:id="buyButton" mnemonicParsing="false" onAction="#buyTicket" prefHeight="45.0" prefWidth="142.0" text="Buy Ticket" textAlignment="CENTER">
<VBox.margin>
<Insets left="30.0" right="30.0" top="15.0" />
</VBox.margin>
</Button>
</children>
</VBox>
</children></HBox>
</children>
</VBox>