From 9c46d1143d067d9dd67b023994e6bfbbd319adda Mon Sep 17 00:00:00 2001
From: Benjamin Kampmann <ben.kampmann@gmail.com>
Date: Tue, 15 Nov 2022 16:01:09 +0100
Subject: [PATCH] client-api: Add M_UNKNOWN_POS error kind (MSC3575)

---
 crates/ruma-client-api/src/error.rs            | 6 ++++++
 crates/ruma-client-api/src/error/kind_serde.rs | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/crates/ruma-client-api/src/error.rs b/crates/ruma-client-api/src/error.rs
index c199a210..e8aa1b1d 100644
--- a/crates/ruma-client-api/src/error.rs
+++ b/crates/ruma-client-api/src/error.rs
@@ -158,6 +158,10 @@ pub enum ErrorKind {
     #[cfg(feature = "unstable-msc2246")]
     CannotOverwriteMedia,
 
+    /// M_UNKNOWN_POS for sliding sync
+    #[cfg(feature = "unstable-msc3575")]
+    UnknownPos,
+
     #[doc(hidden)]
     _Custom { errcode: PrivOwnedStr, extra: Extra },
 }
@@ -209,6 +213,8 @@ impl AsRef<str> for ErrorKind {
             Self::NotYetUploaded => "FI.MAU.MSC2246_NOT_YET_UPLOADED",
             #[cfg(feature = "unstable-msc2246")]
             Self::CannotOverwriteMedia => "FI.MAU.MSC2246_CANNOT_OVERWRITE_MEDIA",
+            #[cfg(feature = "unstable-msc3575")]
+            Self::UnknownPos => "M_UNKNOWN_POS",
             Self::_Custom { errcode, .. } => &errcode.0,
         }
     }
diff --git a/crates/ruma-client-api/src/error/kind_serde.rs b/crates/ruma-client-api/src/error/kind_serde.rs
index ec943a5a..e68e1149 100644
--- a/crates/ruma-client-api/src/error/kind_serde.rs
+++ b/crates/ruma-client-api/src/error/kind_serde.rs
@@ -210,6 +210,8 @@ impl<'de> Visitor<'de> for ErrorKindVisitor {
             ErrCode::NotYetUploaded => ErrorKind::NotYetUploaded,
             #[cfg(feature = "unstable-msc2246")]
             ErrCode::CannotOverwriteMedia => ErrorKind::CannotOverwriteMedia,
+            #[cfg(feature = "unstable-msc3575")]
+            ErrCode::UnknownPos => ErrorKind::UnknownPos,
             ErrCode::_Custom(errcode) => ErrorKind::_Custom { errcode, extra },
         })
     }
@@ -260,6 +262,8 @@ enum ErrCode {
         alias = "M_CANNOT_OVERWRITE_MEDIA"
     )]
     CannotOverwriteMedia,
+    #[cfg(feature = "unstable-msc3575")]
+    UnknownPos,
     _Custom(PrivOwnedStr),
 }