fix(all): fix two dates that were wrongly formatted

meilisearch-lib/src/index_controller/dump_actor/actor.rs

@@ -31,7 +31,9 @@ pub struct DumpActor {
 /// Generate uid from creation date
 fn generate_uid() -> String {
     OffsetDateTime::now_utc()
-        .format(format_description!("%Y%m%d-%H%M%S%3f"))
+        .format(format_description!(
+            "[year repr:full][month repr:numerical][day padding:zero]-[hour padding:zero][minute padding:zero][second padding:zero][subsecond digits:3]"
+        ))
         .unwrap()
 }
 
@@ -157,3 +159,33 @@ impl DumpActor {
         }
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_generate_uid() {
+        let current = OffsetDateTime::now_utc();
+
+        let uid = generate_uid();
+        let (date, time) = uid.split_once('-').unwrap();
+
+        let date = time::Date::parse(
+            date,
+            &format_description!("[year repr:full][month repr:numerical][day padding:zero]"),
+        )
+        .unwrap();
+        let time = time::Time::parse(
+            time,
+            &format_description!(
+                "[hour padding:zero][minute padding:zero][second padding:zero][subsecond digits:3]"
+            ),
+        )
+        .unwrap();
+        let datetime = time::PrimitiveDateTime::new(date, time);
+        let datetime = datetime.assume_utc();
+
+        assert!(current - datetime < time::Duration::SECOND);
+    }
+}

meilisearch-lib/src/index_controller/mod.rs

@@ -107,6 +107,7 @@ impl fmt::Display for DocumentAdditionFormat {
 #[serde(rename_all = "camelCase")]
 pub struct Stats {
     pub database_size: u64,
+    #[serde(serialize_with = "time::serde::rfc3339::option::serialize")]
     pub last_update: Option<OffsetDateTime>,
     pub indexes: BTreeMap<String, IndexStats>,
 }