From c44b0de76041ef0f392d4dd44b25cb143970288a Mon Sep 17 00:00:00 2001
From: Hillel Coren <hillelcoren@gmail.com>
Date: Fri, 28 Jan 2022 15:05:33 +0200
Subject: [PATCH] Prevent duplicate file names

---
 lib/ui/client/client_pdf.dart   | 10 +++++++++-
 lib/ui/invoice/invoice_pdf.dart | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/lib/ui/client/client_pdf.dart b/lib/ui/client/client_pdf.dart
index ab7dc5608..9b34bd18a 100644
--- a/lib/ui/client/client_pdf.dart
+++ b/lib/ui/client/client_pdf.dart
@@ -368,8 +368,16 @@ class _ClientPdfViewState extends State<ClientPdfView> {
                             final directory = await (isDesktopOS()
                                 ? getDownloadsDirectory()
                                 : getApplicationDocumentsDirectory());
-                            final filePath =
+                            String filePath =
                                 '${directory.path}${file.Platform.pathSeparator}$fileName';
+
+                            if (file.File(filePath).existsSync()) {
+                              final timestamp =
+                                  DateTime.now().millisecondsSinceEpoch;
+                              filePath = filePath.replaceFirst(
+                                  '.pdf', '_$timestamp.pdf');
+                            }
+
                             final pdfData = file.File(filePath);
                             await pdfData.writeAsBytes(_response.bodyBytes);
 
diff --git a/lib/ui/invoice/invoice_pdf.dart b/lib/ui/invoice/invoice_pdf.dart
index 9c56c315a..ada952faf 100644
--- a/lib/ui/invoice/invoice_pdf.dart
+++ b/lib/ui/invoice/invoice_pdf.dart
@@ -282,8 +282,16 @@ class _InvoicePdfViewState extends State<InvoicePdfView> {
                                   final directory = await (isDesktopOS()
                                       ? getDownloadsDirectory()
                                       : getApplicationDocumentsDirectory());
-                                  final filePath =
+                                  String filePath =
                                       '${directory.path}${file.Platform.pathSeparator}$fileName';
+
+                                  if (file.File(filePath).existsSync()) {
+                                    final timestamp =
+                                        DateTime.now().millisecondsSinceEpoch;
+                                    filePath = filePath.replaceFirst(
+                                        '.pdf', '_$timestamp.pdf');
+                                  }
+
                                   final pdfData = file.File(filePath);
                                   await pdfData
                                       .writeAsBytes(_response.bodyBytes);