From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 7 May 2019 09:56:17 +0000 (+0100)
Subject: wiki: Store title of pages in memcache
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=50c8dc11fabcf11bf11440072d0ae90c15439b7e;p=ipfire.org.git

wiki: Store title of pages in memcache

This allows us to render pages a lot quicker

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/backend/wiki.py b/src/backend/wiki.py
index a390ce37..b98dcd80 100644
--- a/src/backend/wiki.py
+++ b/src/backend/wiki.py
@@ -28,11 +28,23 @@ class Wiki(misc.Object):
 			return Page(self.backend, res.id, data=res)
 
 	def get_page_title(self, page, default=None):
+		# Try to retrieve title from cache
+		title = self.memcache.get("wiki:title:%s" % page)
+		if title:
+			return title
+
+		# If the title has not been in the cache, we will
+		# have to look it up
 		doc = self.get_page(page)
 		if doc:
-			return doc.title
+			title = doc.title
+		else:
+			title = os.path.basename(page)
 
-		return default or os.path.basename(page)
+		# Save in cache for forever
+		self.memcache.set("wiki:title:%s" % page, title)
+
+		return title
 
 	def get_page(self, page, revision=None):
 		page = Page.sanitise_page_name(page)
@@ -67,6 +79,9 @@ class Wiki(misc.Object):
 		page = self._get_page("INSERT INTO wiki(page, author_uid, markdown, changes, address) \
 			VALUES(%s, %s, %s, %s, %s) RETURNING *", page, author.uid, content or None, changes, address)
 
+		# Update cache
+		self.memcache.set("wiki:title:%s" % page.path, page.title)
+
 		# Send email to all watchers
 		page._send_watcher_emails(excludes=[author])