From 4f1d84131247b4b0e3e1d00e43d21c035e845ce6 Mon Sep 17 00:00:00 2001
From: Rebecca Meritz <rebecca@meritz.com>
Date: Sat, 11 Sep 2021 18:59:23 -0700
Subject: [PATCH] Allow users to change case of own username

Usernames are case-insensitive so now one have the name `foo` and
someone else have the name `FOO`, but user `foo` should be able to
change their own name to `FOO` if they want to for display purposes.
---
 src/routes/users/change_username.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/routes/users/change_username.rs b/src/routes/users/change_username.rs
index 95a08ca5..92e28087 100644
--- a/src/routes/users/change_username.rs
+++ b/src/routes/users/change_username.rs
@@ -45,7 +45,8 @@ pub async fn req(
 
     let mut set = doc! {};
     if let Some(username) = &data.username {
-        if User::is_username_taken(&username).await? {
+        if username.to_lowercase() == user.username.to_lowercase() {
+        } else if User::is_username_taken(&username).await? {
             return Err(Error::UsernameTaken);
         }