feat(ios): extend swipe actions to milestones

crates/app/src/lib.rs

@@ -586,6 +586,35 @@ impl GotchaCore {
             .ok_or_else(|| "The saved milestone has no ID.".into())
     }
 
+    pub async fn set_milestone_closed(
+        &self,
+        owner: String,
+        repository: String,
+        id: i64,
+        closed: bool,
+    ) -> Result<(), GotchaError> {
+        let (owner, repository) = validate_repository(&owner, &repository)?;
+        if id <= 0 {
+            return Err("Invalid milestone selection.".into());
+        }
+        set_milestone_closed(&self.server()?, owner, repository, id, closed).await?;
+        Ok(())
+    }
+
+    pub async fn delete_milestone(
+        &self,
+        owner: String,
+        repository: String,
+        id: i64,
+    ) -> Result<(), GotchaError> {
+        let (owner, repository) = validate_repository(&owner, &repository)?;
+        if id <= 0 {
+            return Err("Invalid milestone selection.".into());
+        }
+        delete_milestone(&self.server()?, owner, repository, id).await?;
+        Ok(())
+    }
+
     pub async fn pull_filters(&self) -> Result<PullFilterOptions, GotchaError> {
         let server = self.server()?;
         let filter = self