Merge pull request #124 from Carifio24/no-cache-count

Set headers to prevent caching of Hubble class measurement count responses
cosmicds · Aug 1, 2024 · 85500f1 · 85500f1
2 parents 76bda8d + d7bc262
commit 85500f1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/stories/hubbles_law/router.ts b/src/stories/hubbles_law/router.ts
@@ -259,6 +259,9 @@ router.get("/sample-galaxy", async (_req, res) => {
 });
 
 router.get("/class-measurements/size/:studentID/:classID", async (req, res) => {
+  res.header("Cache-Control", "no-cache, no-store, must-revalidate");  // HTTP 1.1
+  res.header("Pragma", "no-cache");  // HTTP 1.0
+  res.header("Expires", "0");  // Proxies
   const studentID = parseInt(req.params.studentID);
   const isValidStudent = (await findStudentById(studentID)) !== null;
   if (!isValidStudent) {