Allow milestones to be closed and reopened

crates/gitea/src/domain.rs

@@ -130,6 +130,7 @@ pub struct MilestoneDraft {
     pub title: String,
     pub description: String,
     pub due_on: Option<String>,
+    pub state: String,
 }
 
 #[derive(Clone, Debug)]

crates/gitea/src/milestones.rs

@@ -164,6 +164,11 @@ impl Client {
                 "milestone title must not be empty".into(),
             ));
         }
+        if !matches!(draft.state.as_str(), "open" | "closed") {
+            return Err(Error::InvalidInput(
+                "milestone state must be open or closed".into(),
+            ));
+        }
         let endpoint = match id {
             Some(id) if id > 0 => format!(
                 "repos/{}/{}/milestones/{id}",
@@ -194,6 +199,7 @@ impl Client {
                 title: draft.title,
                 description: draft.description,
                 due_on: draft.due_on,
+                state: draft.state,
             });
         self.execute(request)
             .await?
@@ -219,6 +225,7 @@ struct MilestoneRequest {
     title: String,
     description: String,
     due_on: Option<String>,
+    state: String,
 }
 
 #[cfg(test)]
@@ -231,8 +238,10 @@ mod tests {
             title: "Release".into(),
             description: String::new(),
             due_on: None,
+            state: "closed".into(),
         })
         .unwrap();
         assert!(value.get("due_on").unwrap().is_null());
+        assert_eq!(value["state"], "closed");
     }
 }