allow cache for Venue status and feed

app/services/venue.js

@@ -31,8 +31,8 @@ class VenueService extends SiteService {
         if (!res.locals.site || !res.locals.site.shingChannelSlug) {
           return next();
         }
-        res.locals.shingChannelFeed = await this.getChannelFeed(res.locals.site.shingChannelSlug, { allowCache: false });
-        res.locals.shingChannelStatus = await this.getChannelStatus(res.locals.site.shingChannelSlug, { allowCache: false });
+        res.locals.shingChannelFeed = await this.getChannelFeed(res.locals.site.shingChannelSlug, { allowCache: true });
+        res.locals.shingChannelStatus = await this.getChannelStatus(res.locals.site.shingChannelSlug, { allowCache: true });
         this.log.debug('channel status', { status: res.locals.shingChannelStatus });
         return next();
       } catch (error) {
@@ -59,7 +59,7 @@ class VenueService extends SiteService {
       agent: this.httpsAgent,
     });
     if (!response.ok) {
-      throw new SiteError(500, 'Failed to fetch Shing channel feed');
+      throw new SiteError(500, `Failed to fetch Shing channel feed: ${response.statusText}`);
     }
 
     json = await response.json();