From e2c9a08bb404f4221e58c03f2a1dd305de21fa2c Mon Sep 17 00:00:00 2001
From: Chebo7 <192.cpp@gmail.com>
Date: Wed, 3 Dec 2025 22:33:53 +0300
Subject: [PATCH 1/2] During development, I returned the port to 8080 so as not
 to constantly run the server as superuser.

---
 src/main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index a37b2c1..a9daaa6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -29,5 +29,5 @@ int main() {
     return resp;
   });
 
-  app.port(80).multithreaded().run();
+  app.port(8080).multithreaded().run();
 }

From 2a71521235e87b15918adb0cdbd28a37d4dcd739 Mon Sep 17 00:00:00 2001
From: Chebo7 <192.cpp@gmail.com>
Date: Thu, 4 Dec 2025 16:38:33 +0300
Subject: [PATCH 2/2] Added minimal error and exception handling

---
 include/Barcode/BarcodeFactory.h |  2 +-
 src/main.cpp                     | 19 ++++++++++++++-----
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/include/Barcode/BarcodeFactory.h b/include/Barcode/BarcodeFactory.h
index 75becd9..4d94915 100644
--- a/include/Barcode/BarcodeFactory.h
+++ b/include/Barcode/BarcodeFactory.h
@@ -19,5 +19,5 @@
 
 class BarcodeFactory {
 public:
-    static std::unique_ptr<IBarcodeGenerator> create(const std::string type);
+  static std::unique_ptr<IBarcodeGenerator> create(const std::string type);
 };
diff --git a/src/main.cpp b/src/main.cpp
index a9daaa6..842321c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,6 +6,7 @@
 #include <ZXing/CharacterSet.h>
 #include <ZXing/MultiFormatWriter.h>
 #include <memory>
+#include <stdexcept>
 #include <string>
 #include <utility>
 
@@ -18,13 +19,21 @@ int main() {
     auto margin = req.url_params.get("margin");
     auto size = req.url_params.get("size");
     std::unique_ptr<IBarcodeGenerator> generator = BarcodeFactory::create(type);
-    std::string matrix =
-        generator->generate(text, std::stoi(margin), std::stoi(size));
 
+    std::string matrix;
     crow::response resp;
-    resp.code = 200;
-    resp.add_header("Content-Type", "image/svg+xml");
-    resp.body = std::move(matrix);
+    try {
+      matrix = generator->generate(text, std::stoi(margin), std::stoi(size));
+
+      resp.code = 200;
+      resp.add_header("Content-Type", "image/svg+xml");
+      resp.body = std::move(matrix);
+    } catch (const std::invalid_argument &ex) {
+      std::cerr << ex.what() << std::endl;
+      resp.code = 400;
+      resp.add_header("Content-Type", "text/html");
+      resp.body = std::move(matrix);
+    }
 
     return resp;
   });