Added basic transactions export, just to say it has it. Also did more to sanitize transaction descriptions.

src/main/java/com/andrewlalis/perfin/control/CreateTransactionController.java

@@ -101,7 +101,7 @@ public class CreateTransactionController implements RouteSelectionListener {
         LocalDateTime utcTimestamp = DateUtil.localToUTC(parseTimestamp());
         BigDecimal amount = new BigDecimal(amountField.getText());
         Currency currency = currencyChoiceBox.getValue();
-        String description = descriptionField.getText() == null ? null : descriptionField.getText().strip();
+        String description = getSanitizedDescription();
         CreditAndDebitAccounts linkedAccounts = getSelectedAccounts();
         List<Path> attachments = attachmentsSelectionArea.getSelectedFiles();
         Profile.getCurrent().getDataSource().useTransactionRepository(repo -> {
@@ -190,4 +190,11 @@ public class CreateTransactionController implements RouteSelectionListener {
             });
         });
     }
+
+    private String getSanitizedDescription() {
+        String raw = descriptionField.getText();
+        if (raw == null) return null;
+        if (raw.isBlank()) return null;
+        return raw.strip();
+    }
 }

src/main/java/com/andrewlalis/perfin/control/TransactionsViewController.java

@@ -4,6 +4,7 @@ import com.andrewlalis.javafx_scene_router.RouteSelectionListener;
 import com.andrewlalis.perfin.data.pagination.Page;
 import com.andrewlalis.perfin.data.pagination.PageRequest;
 import com.andrewlalis.perfin.data.pagination.Sort;
+import com.andrewlalis.perfin.data.util.DateUtil;
 import com.andrewlalis.perfin.data.util.Pair;
 import com.andrewlalis.perfin.model.Account;
 import com.andrewlalis.perfin.model.Profile;
@@ -22,7 +23,11 @@ import javafx.scene.control.ComboBox;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
+import javafx.stage.FileChooser;
 
+import java.io.File;
+import java.io.PrintWriter;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Set;
 
@@ -152,11 +157,38 @@ public class TransactionsViewController implements RouteSelectionListener {
         }
     }
 
-    @FXML
+    @FXML public void addTransaction() {
-    public void addTransaction() {
         router.navigate("create-transaction");
     }
 
+    @FXML public void exportTransactions() {
+        FileChooser fileChooser = new FileChooser();
+        fileChooser.setTitle("Export Transactions");
+        fileChooser.getExtensionFilters().add(new FileChooser.ExtensionFilter("CSV Files", ".csv"));
+        File file = fileChooser.showSaveDialog(detailPanel.getScene().getWindow());
+        if (file != null) {
+            try (
+                    var repo = Profile.getCurrent().getDataSource().getTransactionRepository();
+                    var out = new PrintWriter(file, StandardCharsets.UTF_8)
+            ) {
+                out.println("id,utc-timestamp,amount,currency,description");
+
+                List<Transaction> allTransactions = repo.findAll(PageRequest.unpaged(Sort.desc("timestamp"))).items();
+                for (Transaction tx : allTransactions) {
+                    out.println("%d,%s,%s,%s,%s".formatted(
+                            tx.id,
+                            tx.getTimestamp().format(DateUtil.DEFAULT_DATETIME_FORMAT),
+                            tx.getAmount().toPlainString(),
+                            tx.getCurrency().getCurrencyCode(),
+                            tx.getDescription() == null ? "" : tx.getDescription()
+                    ));
+                }
+            } catch (Exception e) {
+                Popups.error("An error occurred: " + e.getMessage());
+            }
+        }
+    }
+
     private TransactionTile makeTile(Transaction transaction) {
         var tile = new TransactionTile(transaction);
         tile.setOnMouseClicked(event -> {

src/main/resources/transactions-view.fxml

@@ -13,6 +13,7 @@
     <top>
         <HBox styleClass="std-padding,std-spacing">
             <Button text="Add Transaction" onAction="#addTransaction"/>
+            <Button text="Export Transactions" onAction="#exportTransactions"/>
         </HBox>
     </top>
     <center>