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[Glitch] Fix not being able to load more notifications after trimming

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Port c1795ee963 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>
This commit is contained in:
Claire 2024-09-02 22:14:04 +02:00
parent ac4002fe08
commit e9adba60af
1 changed files with 24 additions and 1 deletions
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25
app/javascript/flavours/glitch/reducers/notification_groups.ts
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@ -248,8 +248,9 @@ function processNewNotification(
}
function trimNotifications(state: NotificationGroupsState) {
if (state.scrolledToTop) {
if (state.scrolledToTop && state.groups.length > NOTIFICATIONS_TRIM_LIMIT) {
state.groups.splice(NOTIFICATIONS_TRIM_LIMIT);
ensureTrailingGap(state.groups);
}
}
@ -400,6 +401,28 @@ function ensureLeadingGap(
}
}
// Ensure the groups list ends with a gap suitable for loading more, mutating it to append one if needed
function ensureTrailingGap(
groups: NotificationGroupsState['groups'],
): NotificationGap {
const groupOrGap = groups.at(-1);
if (groupOrGap?.type === 'gap') {
// We're expecting older notifications, so discard sinceId if it's set
groupOrGap.sinceId = undefined;
return groupOrGap;
} else {
const gap: NotificationGap = {
type: 'gap',
maxId: groupOrGap?.page_min_id,
};
groups.push(gap);
return gap;
}
}
export const notificationGroupsReducer = createReducer<NotificationGroupsState>(
initialState,
(builder) => {