1 files changed, 41 insertions, 37 deletions
diff --git a/LibMatrix/MatrixException.cs b/LibMatrix/MatrixException.cs
index eb207da..afdeefe 100644
--- a/LibMatrix/MatrixException.cs
+++ b/LibMatrix/MatrixException.cs
@@ -24,43 +24,47 @@ public class MatrixException : Exception {
     public string GetAsJson() => GetAsObject().ToJson(ignoreNull: true);
 
     public override string Message =>
-        $"{ErrorCode}: {ErrorCode switch {
-            // common
-            "M_FORBIDDEN" => $"You do not have permission to perform this action: {Error}",
-            "M_UNKNOWN_TOKEN" => $"The access token specified was not recognised: {Error}{(SoftLogout == true ? " (soft logout)" : "")}",
-            "M_MISSING_TOKEN" => $"No access token was specified: {Error}",
-            "M_BAD_JSON" => $"Request contained valid JSON, but it was malformed in some way: {Error}",
-            "M_NOT_JSON" => $"Request did not contain valid JSON: {Error}",
-            "M_NOT_FOUND" => $"The requested resource was not found: {Error}",
-            "M_LIMIT_EXCEEDED" => $"Too many requests have been sent in a short period of time. Wait a while then try again: {Error}",
-            "M_UNRECOGNISED" => $"The server did not recognise the request: {Error}",
-            "M_UNKOWN" => $"The server encountered an unexpected error: {Error}",
-            // endpoint specific
-            "M_UNAUTHORIZED" => $"The request did not contain valid authentication information for the target of the request: {Error}",
-            "M_USER_DEACTIVATED" => $"The user ID associated with the request has been deactivated: {Error}",
-            "M_USER_IN_USE" => $"The user ID associated with the request is already in use: {Error}",
-            "M_INVALID_USERNAME" => $"The requested user ID is not valid: {Error}",
-            "M_ROOM_IN_USE" => $"The room alias requested is already taken: {Error}",
-            "M_INVALID_ROOM_STATE" => $"The room associated with the request is not in a valid state to perform the request: {Error}",
-            "M_THREEPID_IN_USE" => $"The threepid requested is already associated with a user ID on this server: {Error}",
-            "M_THREEPID_NOT_FOUND" => $"The threepid requested is not associated with any user ID: {Error}",
-            "M_THREEPID_AUTH_FAILED" => $"The provided threepid and/or token was invalid: {Error}",
-            "M_THREEPID_DENIED" => $"The homeserver does not permit the third party identifier in question: {Error}",
-            "M_SERVER_NOT_TRUSTED" => $"The homeserver does not trust the identity server: {Error}",
-            "M_UNSUPPORTED_ROOM_VERSION" => $"The room version is not supported: {Error}",
-            "M_INCOMPATIBLE_ROOM_VERSION" => $"The room version is incompatible: {Error}",
-            "M_BAD_STATE" => $"The request was invalid because the state was invalid: {Error}",
-            "M_GUEST_ACCESS_FORBIDDEN" => $"Guest access is forbidden: {Error}",
-            "M_CAPTCHA_NEEDED" => $"Captcha needed: {Error}",
-            "M_CAPTCHA_INVALID" => $"Captcha invalid: {Error}",
-            "M_MISSING_PARAM" => $"Missing parameter: {Error}",
-            "M_INVALID_PARAM" => $"Invalid parameter: {Error}",
-            "M_TOO_LARGE" => $"The request or entity was too large: {Error}",
-            "M_EXCLUSIVE" => $"The resource being requested is reserved by an application service, or the application service making the request has not created the resource: {Error}",
-            "M_RESOURCE_LIMIT_EXCEEDED" => $"Exceeded resource limit: {Error}",
-            "M_CANNOT_LEAVE_SERVER_NOTICE_ROOM" => $"Cannot leave server notice room: {Error}",
-            _ => $"Unknown error: {new { ErrorCode, Error, SoftLogout, RetryAfterMs }.ToJson(ignoreNull: true)}"
-        }}";
+        $"{ErrorCode}: " +
+        (!string.IsNullOrWhiteSpace(Error)
+            ? Error
+            : ErrorCode switch {
+                // common
+                "M_FORBIDDEN" => $"You do not have permission to perform this action: {Error}",
+                "M_UNKNOWN_TOKEN" => $"The access token specified was not recognised: {Error}{(SoftLogout == true ? " (soft logout)" : "")}",
+                "M_MISSING_TOKEN" => $"No access token was specified: {Error}",
+                "M_BAD_JSON" => $"Request contained valid JSON, but it was malformed in some way: {Error}",
+                "M_NOT_JSON" => $"Request did not contain valid JSON: {Error}",
+                "M_NOT_FOUND" => $"The requested resource was not found: {Error}",
+                "M_LIMIT_EXCEEDED" => $"Too many requests have been sent in a short period of time. Wait a while then try again: {Error}",
+                "M_UNRECOGNISED" => $"The server did not recognise the request: {Error}",
+                "M_UNKOWN" => $"The server encountered an unexpected error: {Error}",
+                // endpoint specific
+                "M_UNAUTHORIZED" => $"The request did not contain valid authentication information for the target of the request: {Error}",
+                "M_USER_DEACTIVATED" => $"The user ID associated with the request has been deactivated: {Error}",
+                "M_USER_IN_USE" => $"The user ID associated with the request is already in use: {Error}",
+                "M_INVALID_USERNAME" => $"The requested user ID is not valid: {Error}",
+                "M_ROOM_IN_USE" => $"The room alias requested is already taken: {Error}",
+                "M_INVALID_ROOM_STATE" => $"The room associated with the request is not in a valid state to perform the request: {Error}",
+                "M_THREEPID_IN_USE" => $"The threepid requested is already associated with a user ID on this server: {Error}",
+                "M_THREEPID_NOT_FOUND" => $"The threepid requested is not associated with any user ID: {Error}",
+                "M_THREEPID_AUTH_FAILED" => $"The provided threepid and/or token was invalid: {Error}",
+                "M_THREEPID_DENIED" => $"The homeserver does not permit the third party identifier in question: {Error}",
+                "M_SERVER_NOT_TRUSTED" => $"The homeserver does not trust the identity server: {Error}",
+                "M_UNSUPPORTED_ROOM_VERSION" => $"The room version is not supported: {Error}",
+                "M_INCOMPATIBLE_ROOM_VERSION" => $"The room version is incompatible: {Error}",
+                "M_BAD_STATE" => $"The request was invalid because the state was invalid: {Error}",
+                "M_GUEST_ACCESS_FORBIDDEN" => $"Guest access is forbidden: {Error}",
+                "M_CAPTCHA_NEEDED" => $"Captcha needed: {Error}",
+                "M_CAPTCHA_INVALID" => $"Captcha invalid: {Error}",
+                "M_MISSING_PARAM" => $"Missing parameter: {Error}",
+                "M_INVALID_PARAM" => $"Invalid parameter: {Error}",
+                "M_TOO_LARGE" => $"The request or entity was too large: {Error}",
+                "M_EXCLUSIVE" =>
+                    $"The resource being requested is reserved by an application service, or the application service making the request has not created the resource: {Error}",
+                "M_RESOURCE_LIMIT_EXCEEDED" => $"Exceeded resource limit: {Error}",
+                "M_CANNOT_LEAVE_SERVER_NOTICE_ROOM" => $"Cannot leave server notice room: {Error}",
+                _ => $"Unknown error: {new { ErrorCode, Error, SoftLogout, RetryAfterMs }.ToJson(ignoreNull: true)}"
+            });
 
     public static class ErrorCodes {
         public const string M_FORBIDDEN = "M_FORBIDDEN";