NapoleonDynamite/munera-vaadin
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feat: export to CSV

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This commit is contained in:
filippo-ferrari 2024-09-12 11:19:38 +02:00
parent 2e2e7c3555
commit ac67892cae
2 changed files with 10 additions and 11 deletions
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5
pom.xml
View file

@ -107,11 +107,6 @@
<artifactId>vaadin-testbench-junit5</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-csv</artifactId>
<version>1.10.0</version>
</dependency>
</dependencies>
<build>

16
src/main/java/com/application/munera/views/expenses/ExpensesView.java
View file

@ -121,12 +121,19 @@ public class ExpensesView extends Div implements BeforeEnterObserver {
grid.addThemeVariants(GridVariant.LUMO_NO_BORDER);
// Export to CSV button
exportToCSVButton.addClickListener(event -> {
exportToCSVButton.addClickListener(CSVClickEvent -> {
StreamResource resource = createCSVResource(expenseService.findAll());
Anchor downloadLink = new Anchor(resource, "Download CSV");
downloadLink.getElement().setAttribute("download", true);
// Remove old download links if any
this.getChildren().filter(Anchor.class::isInstance)
.forEach(child -> remove((Anchor) child));
// Add the new download link
add(downloadLink);
});
add(exportToCSVButton);
// when a row is selected or deselected, populate form
@ -354,23 +361,20 @@ public class ExpensesView extends Div implements BeforeEnterObserver {
return new StreamResource("expenses.csv", () -> {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
try (OutputStreamWriter writer = new OutputStreamWriter(stream, StandardCharsets.UTF_8);
CSVPrinter csvPrinter = new CSVPrinter(writer, CSVFormat.DEFAULT.withHeader("Name", "Cost", "Category", "Period Interval", "Period Unit", "Date", "Status"))) {
CSVPrinter csvPrinter = new CSVPrinter(writer, CSVFormat.DEFAULT.withHeader("Name", "Cost", "Category", "Date", "Payment date"))) {
for (Expense expense : expenses) {
csvPrinter.printRecord(
expense.getName(),
expense.getCost(),
expense.getCategory() != null ? expense.getCategory().getName() : "",
expense.getPeriodInterval(),
expense.getPeriodUnit(),
expense.getDate(),
expense.getIsPaid() ? "Paid" : "Unpaid"
expense.getPaymentDate() != null ? expense.getPaymentDate().toLocalDate() : "Unpaid"
);
}
} catch (Exception e) {
e.printStackTrace();
}
return new ByteArrayInputStream(stream.toByteArray());
});
}