From 359790c402d2731b7dd1df8a629726e69922a035 Mon Sep 17 00:00:00 2001
From: unwox <me@unwox.com>
Date: Thu, 17 Oct 2024 14:32:27 +0600
Subject: cache fixes for spelling mistakes

---
 bin/serve.fnl | 11 +++++++----
 lib/cache.fnl |  9 ++++++++-
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/bin/serve.fnl b/bin/serve.fnl
index e574238..9d83b10 100644
--- a/bin/serve.fnl
+++ b/bin/serve.fnl
@@ -335,9 +335,12 @@
     (category-menu-path (. form.tags 1))
     nil))
   (local spellfix-suggestion
-    (if (and (not (str.empty? form.query)) items (< 0 (# items)))
-     nil
-     (spellfix.guess form.query)))
+    (if (and (not (str.empty? form.query)) items (= 0 (# items)))
+     (cache.wrap
+       db (.. "spellfix:" form.query)
+       #(spellfix.guess form.query))
+     nil))
+
   [:html {:lang "ru-RU"}
    [:head {}
     [:meta {:charset "utf-8"}]
@@ -372,7 +375,7 @@
        [:footer {} paginator]]]]]])
 
 (fn root-handler [{: path : query}]
-  (local cache-key (.. path "?" (serialize-query query)))
+  (local cache-key (.. "page:" path "?" (serialize-query query)))
   (local cached (cache.get db cache-key))
   (if cached
     (values 200 {:content-type "text/html"} cached)
diff --git a/lib/cache.fnl b/lib/cache.fnl
index 8cf7323..76ede13 100644
--- a/lib/cache.fnl
+++ b/lib/cache.fnl
@@ -21,4 +21,11 @@
                            [(.. prefix "%")]))
     (must (luna.db.exec-tx tx "DELETE FROM cache" []))))
 
-{: get :set _set : clear-tx}
+(fn wrap [db key f]
+ (local cached (get db key))
+ (if cached
+   cached
+   (let [res (f)]
+     (if res (_set db key res) nil))))
+
+{: get :set _set : clear-tx : wrap}
-- 
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