Filer, styling, tester, allt är klart.

Author: Linus Westling

src/main/java/com/example/HelloController.java

@@ -1,9 +1,14 @@
 package com.example;
 
+import javafx.application.Platform;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
 import javafx.scene.control.ListView;
+import javafx.stage.FileChooser;
+
+import java.io.File;
+import java.nio.file.Path;
 
 /**
  * Controller layer: mediates between the view (FXML) and the model.
@@ -35,5 +40,28 @@ public void sendMessage(ActionEvent actionEvent) {
         model.setMessageToSend(content);
         model.sendMessage();
     }
+
+    @FXML
+    private void sendFile(ActionEvent event) {
+        FileChooser fileChooser = new FileChooser();
+        fileChooser.setTitle("Välj en fil att skicka");
+        File selectedFile = fileChooser.showOpenDialog(messageInput.getScene().getWindow());
+
+        if (selectedFile != null) {
+            Path filePath = selectedFile.toPath();
+            model.sendFile(filePath).thenAccept(success -> {
+                Platform.runLater(() -> {
+                    if (success) {
+                        System.out.println("Fil skickad: " + filePath.getFileName());
+                    } else {
+                        System.out.println("Misslyckades att skicka filen.");
+                    }
+                });
+            });
+        } else {
+            System.out.println("Ingen fil vald.");
+        }
+    }
+
 }
 

src/main/java/com/example/HelloModel.java

@@ -6,6 +6,7 @@
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 
+import java.nio.file.Path;
 import java.util.concurrent.CompletableFuture;
 
 /**
@@ -53,6 +54,10 @@ public CompletableFuture<Boolean> sendMessage() {
         return connection.send(messageToSend.get());
     }
 
+    public CompletableFuture<Boolean> sendFile(Path filePath) {
+        return connection.sendFile(filePath);
+    }
+
     public void receiveMessage() {
         connection.receive(m -> Platform.runLater(() -> messages.add(m)));
     }

src/main/java/com/example/NtfyConnection.java

@@ -1,5 +1,6 @@
 package com.example;
 
+import java.nio.file.Path;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
 
@@ -9,4 +10,6 @@ public interface NtfyConnection {
 
     public void receive(Consumer<NtfyMessageDto> messageHandler);
 
+    public CompletableFuture<Boolean> sendFile(Path path);
+
 }

src/main/java/com/example/NtfyConnectionImpl.java

@@ -3,11 +3,13 @@
 import io.github.cdimascio.dotenv.Dotenv;
 import tools.jackson.databind.ObjectMapper;
 
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.net.URI;
 import java.net.http.HttpClient;
 import java.net.http.HttpRequest;
 import java.net.http.HttpResponse;
+import java.nio.file.Path;
 import java.util.Objects;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
@@ -49,6 +51,26 @@ public CompletableFuture<Boolean> send(String message) {
             });
     }
 
+    public CompletableFuture<Boolean> sendFile(Path path) {
+        try {
+            String filename = path.getFileName().toString();
+
+            HttpRequest httpRequest = HttpRequest.newBuilder()
+                    .PUT(HttpRequest.BodyPublishers.ofFile(path))
+                    .header("Filename", filename)
+                    .header("Content-Type", "application/octet-stream")
+                    .uri(URI.create(hostName + "/mytopic"))
+                    .build();
+
+            return http.sendAsync(httpRequest, HttpResponse.BodyHandlers.discarding())
+                    .thenApply(response -> response.statusCode() == 200);
+
+        } catch (IOException e) {
+            System.out.println("Kunde inte läsa filen: " + e.getMessage());
+            return CompletableFuture.completedFuture(false);
+        }
+    }
+
     @Override
     public void receive(Consumer<NtfyMessageDto> messageHandler) {
         HttpRequest httpRequest = HttpRequest.newBuilder()

src/main/resources/com/example/hello-view.fxml

@@ -20,6 +20,7 @@
     <HBox spacing="10" alignment="CENTER">
         <TextField fx:id="messageInput" promptText="Skriv ett meddelande..." styleClass="input"/>
         <Button text="Skicka" onAction="#sendMessage" styleClass="send-button"/>
+        <Button text="Skicka fil" onAction="#sendFile" styleClass="send-button"/>
     </HBox>
 
     <ListView fx:id="messageView" styleClass="message-list"/>

src/test/java/com/example/NtfyConnectionSpy.java

@@ -1,5 +1,6 @@
 package com.example;
 
+import java.nio.file.Path;
 import java.util.concurrent.CompletableFuture;
 import java.util.function.Consumer;
 
@@ -20,6 +21,11 @@ public void receive(Consumer<NtfyMessageDto> messageHandler) {
         this.messageHandler = messageHandler;
     }
 
+    @Override
+    public CompletableFuture<Boolean> sendFile(Path path) {
+        return null;
+    }
+
     public void simulateIncomingMessage(NtfyMessageDto message) {
         if (messageHandler != null) {
             messageHandler.accept(message);