Handling http errors a bit more gracefully

libdaggy/src/Utilities.cpp

@@ -276,17 +276,17 @@ namespace daggy {
     auto response = HTTP_REQUEST(url, payload, method);
 
     rj::Document doc;
-    if (response.code == HTTPCode::Server_Error) {
+    try {
-      doc.SetObject();
-      auto &alloc = doc.GetAllocator();
-      doc.AddMember("error",
-                    rj::Value().SetString(response.body.c_str(),
-                                          response.body.size(), alloc),
-                    alloc);
-    }
-    else {
       checkRJParse(doc.Parse(response.body.c_str()));
     }
+    catch (std::exception &e) {
+      doc.SetObject();
+      auto &alloc         = doc.GetAllocator();
+      std::string message = (response.body.empty() ? e.what() : response.body);
+      doc.AddMember(
+          "error",
+          rj::Value().SetString(message.c_str(), message.size(), alloc), alloc);
+    }
 
     return std::make_pair(response.code, std::move(doc));
   }