From 334406403061fd6045219094cefbc1eaab276c6b Mon Sep 17 00:00:00 2001
From: Kibi Kelburton <git@f0ck.it>
Date: Sun, 19 Jul 2026 07:37:13 +0200
Subject: [PATCH] tags

---
 public/s/js/admin.js |  8 +++++++-
 public/s/js/f0ckm.js | 13 +++++++++++++
 public/s/js/user.js  |  8 +++++++-
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/public/s/js/admin.js b/public/s/js/admin.js
index cde88c1..21c5a5e 100644
--- a/public/s/js/admin.js
+++ b/public/s/js/admin.js
@@ -155,7 +155,13 @@
       postid,
       existingTags: tags,
       anchorEl: anchor,
-      onSubmit: async (tag) => post("/api/v2/tags/" + postid, { tagname: tag }),
+      onSubmit: async (tag) => {
+        const res = await post("/api/v2/tags/" + postid, { tagname: tag });
+        if (res.success && window.invalidateItemCache) {
+          window.invalidateItemCache(postid);
+        }
+        return res;
+      },
       renderTags
     });
   };
diff --git a/public/s/js/f0ckm.js b/public/s/js/f0ckm.js
index 26bcd77..792df98 100644
--- a/public/s/js/f0ckm.js
+++ b/public/s/js/f0ckm.js
@@ -6973,6 +6973,19 @@ window.cancelAnimFrame = (function () {
   // Export loaders for external systems (like NotificationSystem)
   window.loadPageAjax = loadPageAjax;
   window.loadItemAjax = loadItemAjax;
+
+  // Invalidate all itemCacheMap entries that contain a given item ID.
+  // Call this after mutating an item (e.g. adding a tag) so the next
+  // AJAX navigation fetches fresh HTML instead of serving stale cache.
+  window.invalidateItemCache = (itemId) => {
+    if (!itemId) return;
+    const needle = `/${itemId}`;
+    for (const key of itemCacheMap.keys()) {
+      if (key.includes(needle)) {
+        itemCacheMap.delete(key);
+      }
+    }
+  };
   // Continued...
 
 const sbtForm = document.getElementById('sbtForm');
diff --git a/public/s/js/user.js b/public/s/js/user.js
index 377c677..c76e055 100644
--- a/public/s/js/user.js
+++ b/public/s/js/user.js
@@ -120,7 +120,13 @@
       postid,
       existingTags: tags,
       anchorEl: anchor,
-      onSubmit: async (tag) => post("/api/v2/tags/" + postid, { tagname: tag }),
+      onSubmit: async (tag) => {
+        const res = await post("/api/v2/tags/" + postid, { tagname: tag });
+        if (res.success && window.invalidateItemCache) {
+          window.invalidateItemCache(postid);
+        }
+        return res;
+      },
       renderTags
     });
   };