Display more than one indexUid in a task view if necessary

meilisearch-http/src/routes/tasks.rs

@@ -32,12 +32,30 @@ pub fn configure(cfg: &mut web::ServiceConfig) {
     .service(web::resource("/{task_id}").route(web::get().to(SeqHandler(get_task))));
 }
 
+#[derive(Default, Debug, Clone, PartialEq, Serialize)]
+#[serde(untagged, rename_all = "camelCase")]
+pub enum IndexUidView {
+    Multiple(Vec<String>),
+    Single(String),
+    #[default]
+    None,
+}
+impl IndexUidView {
+    fn new(indexes: &[&str]) -> Self {
+        match indexes {
+            [] => Self::None,
+            [index] => Self::Single(index.to_string()),
+            indexes => Self::Multiple(indexes.iter().map(ToString::to_string).collect()),
+        }
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct TaskView {
     pub uid: TaskId,
     #[serde(default)]
-    pub index_uid: Option<String>,
+    pub index_uid: IndexUidView,
     pub status: Status,
     #[serde(rename = "type")]
     pub kind: Kind,
@@ -64,7 +82,7 @@ impl TaskView {
     pub fn from_task(task: &Task) -> TaskView {
         TaskView {
             uid: task.uid,
-            index_uid: task.index_uid().map(ToOwned::to_owned),
+            index_uid: IndexUidView::new(&task.indexes()),
             status: task.status,
             kind: task.kind.as_kind(),
             canceled_by: task.canceled_by,