fixing rescue settings

backend/src/repositories/workspaceRepository.ts

@@ -236,6 +236,50 @@ export const listWorkspaceMembers = async (workspaceId: number) => {
   return result.rows;
 };
 
+export const findAlternateWorkspaceForUser = async (userId: string, excludeWorkspaceId: number) => {
+  const result = await db.query<{ workspace_id: number }>(
+    `SELECT workspace_id
+     FROM workspace_members
+     WHERE user_id = $1
+       AND workspace_id <> $2
+     ORDER BY created_at ASC
+     LIMIT 1`,
+    [userId, excludeWorkspaceId],
+  );
+
+  return result.rows[0] ? Number(result.rows[0].workspace_id) : null;
+};
+
+export const getWorkspaceBirdCount = async (workspaceId: number) => {
+  const birdCount = await db.query<{ count: string }>(
+    `SELECT COUNT(*)::text AS count
+     FROM birds
+     WHERE workspace_id = $1`,
+    [workspaceId],
+  );
+
+  return Number(birdCount.rows[0]?.count ?? 0);
+};
+
+export const deleteWorkspaceIfEmpty = async (workspaceId: number) => {
+  if ((await getWorkspaceBirdCount(workspaceId)) > 0) {
+    return { deleted: false as const, reason: 'birds_present' as const };
+  }
+
+  const deleted = await db.query<{ id: number }>(
+    `DELETE FROM workspaces
+     WHERE id = $1
+     RETURNING id`,
+    [workspaceId],
+  );
+
+  if (!deleted.rowCount) {
+    return { deleted: false as const, reason: 'not_found' as const };
+  }
+
+  return { deleted: true as const };
+};
+
 export const upsertWorkspaceMember = async ({
   workspaceId,
   inviteEmail,