Bust the flair caches after 30mins

Group profile data and the groups a user has publicised will be removed from the cache 30mins after retrieval.

There may be some benefits to caching the group profiles for longer than the group memberships but for now they're naively busted after the same 30mins.
This commit is contained in:
Luke Barnard 2017-09-25 15:21:56 +01:00
parent af2df77b8e
commit 20c731f627

View file

@ -29,6 +29,9 @@ const BULK_REQUEST_DEBOUNCE_MS = 200;
// If true, flair can function and we should keep sending requests for groups and avatars.
let groupSupport = true;
const USER_GROUPS_CACHE_BUST_MS = 1800000; // 30 mins
const GROUP_PROFILES_CACHE_BUST_MS = 1800000; // 30 mins
// TODO: Cache-busting based on time. (The server won't inform us of membership changes.)
// This applies to userGroups and groupProfiles. We can provide a slightly better UX by
// cache-busting when the current user joins/leaves a group.
@ -69,7 +72,9 @@ function getPublicisedGroupsCached(matrixClient, userId) {
usersPending[userId].reject = reject;
}).then((groups) => {
userGroups[userId] = groups;
// TODO: Reset cache at this point
setTimeout(() => {
delete userGroups[userId];
}, USER_GROUPS_CACHE_BUST_MS);
return userGroups[userId];
}).catch((err) => {
throw err;
@ -126,6 +131,9 @@ async function getGroupProfileCached(matrixClient, groupId) {
groupId,
avatarUrl: profile.avatar_url,
};
setTimeout(() => {
delete groupProfiles[groupId];
}, GROUP_PROFILES_CACHE_BUST_MS);
return groupProfiles[groupId];
}