rust: API lower-cases DOI lookups

2 files changed, 15 insertions, 2 deletions

diff --git a/rust/src/endpoint_handlers.rs b/rust/src/endpoint_handlers.rs
index d9bd3403..f43b3559 100644
--- a/rust/src/endpoint_handlers.rs
+++ b/rust/src/endpoint_handlers.rs
@@ -277,10 +277,12 @@ impl Server {
             jstor_id,
         ) {
             (Some(doi), None, None, None, None, None, None, None) => {
-                check_doi(doi)?;
+                // DOIs always stored lower-case; lookups are case-insensitive
+                let doi = doi.to_lowercase();
+                check_doi(&doi)?;
                 release_ident::table
                     .inner_join(release_rev::table)
-                    .filter(release_rev::doi.eq(doi))
+                    .filter(release_rev::doi.eq(&doi))
                     .filter(release_ident::is_live.eq(true))
                     .filter(release_ident::redirect_id.is_null())
                     .first(conn)?
diff --git a/rust/tests/test_api_server_http.rs b/rust/tests/test_api_server_http.rs
index 66f36a14..c891ed2e 100644
--- a/rust/tests/test_api_server_http.rs
+++ b/rust/tests/test_api_server_http.rs
@@ -362,6 +362,17 @@ fn test_lookups() {
         Some("bigger example"),
     );
 
+    // not lower-case
+    helpers::check_http_response(
+        request::get(
+            "http://localhost:9411/v0/release/lookup?doi=10.123/ABC",
+            headers.clone(),
+            &router,
+        ),
+        status::Ok,
+        Some("bigger example"),
+    );
+
     // URL encoded
     helpers::check_http_response(
         request::get(