From 4c9a3343d214f6e50c4a92ea3c4fe8f2e5ab8729 Mon Sep 17 00:00:00 2001
From: Johannes Kantz <67144859+JohannesKantz@users.noreply.github.com>
Date: Sat, 4 Feb 2023 19:24:08 +0100
Subject: [PATCH] add: export invoice to txt

---
 .gitignore                                    |  3 +-
 .../InvoiceController.java                    | 34 ++++++++++++++++---
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index 1165112..7deba91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,4 +37,5 @@ build/
 ### Mac OS ###
 .DS_Store
 
-/database.db
\ No newline at end of file
+/database.db
+/Rechnungen
\ No newline at end of file
diff --git a/src/main/java/com/bib/essensbestellungsverwaltung/InvoiceController.java b/src/main/java/com/bib/essensbestellungsverwaltung/InvoiceController.java
index 58af018..0a319db 100644
--- a/src/main/java/com/bib/essensbestellungsverwaltung/InvoiceController.java
+++ b/src/main/java/com/bib/essensbestellungsverwaltung/InvoiceController.java
@@ -9,6 +9,10 @@ import javafx.scene.control.Spinner;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.text.Text;
 
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.Calendar;
 import java.util.List;
 
@@ -30,13 +34,14 @@ public class InvoiceController {
         jahrSpinner.getValueFactory().setValue(Calendar.getInstance().get(Calendar.YEAR));
 
         List<Child> childList = AccountMgr.getAllChildren();
-        ObservableList<Object> childOptions = FXCollections.observableArrayList(childList.stream().map(c -> c.getId() + ": " + c.getFirstname() + " " + c.getName()).toList().toArray(new String[0]));
+        ObservableList<Object> childOptions = FXCollections.observableArrayList(childList.stream()
+                .map(c -> c.getId() + ": " + c.getFirstname() + " " + c.getName()).toList().toArray(new String[0]));
         childChoiceBox.setItems(childOptions);
     }
 
     @FXML
     void onRechnungErstellenClick(MouseEvent mouseEvent) {
-        if(childChoiceBox.getValue() == null){
+        if (childChoiceBox.getValue() == null) {
             Alert alert = new Alert(Alert.AlertType.ERROR);
             alert.setTitle("Es wurde kein Kind ausgewählt");
             alert.setHeaderText("Bitte wählen sie ein Kind aus");
@@ -44,7 +49,8 @@ public class InvoiceController {
         }
 
         String childId = childChoiceBox.getValue().toString().split(":")[0];
-        String date = String.format("%d-%02d", Integer.parseInt(jahrSpinner.getValue().toString()), monthToInt(monatChoiceBox.getValue().toString()));
+        String date = String.format("%d-%02d", Integer.parseInt(jahrSpinner.getValue().toString()),
+                monthToInt(monatChoiceBox.getValue().toString()));
 
         System.out.println("Invoice (" + date + ") from child: " + childId);
 
@@ -52,8 +58,9 @@ public class InvoiceController {
 
         responseText.setText(invoice.get(invoice.size() - 1));
 
-        //TODO: show invoice
-        //TODO: export invoice as word or pdf
+        // TODO: show invoice
+        Child child = AccountMgr.getChildById(Long.parseLong(childId));
+        exportInvoice("Rechnung_" + date + "_" + childId + "_" + child.getName() +"_" + child.getFirstname(), invoice);
     }
 
     private int monthToInt(String month) {
@@ -91,4 +98,21 @@ public class InvoiceController {
             default -> "";
         };
     }
+
+    private void exportInvoice(String filename, List<String> invoice) {
+        try {
+            Files.createDirectories(Path.of(Path.of("").toAbsolutePath() + "/Rechnungen"));
+
+            // TODO: save invoice to pdf or word
+            File file = new File(Path.of("").toAbsolutePath() + "/Rechnungen/" + filename + ".txt");
+            if (file.createNewFile()) {
+                System.out.println("File created: " + file.getName());
+            } else {
+                System.out.println("File already exists.");
+            }
+            Files.write(Path.of(file.getAbsolutePath()), invoice);
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
 }