523 lines
16 KiB
TypeScript
523 lines
16 KiB
TypeScript
import { createReducer, isAnyOf } from '@reduxjs/toolkit';
|
|
|
|
import {
|
|
authorizeFollowRequestSuccess,
|
|
blockAccountSuccess,
|
|
muteAccountSuccess,
|
|
rejectFollowRequestSuccess,
|
|
} from 'mastodon/actions/accounts_typed';
|
|
import { focusApp, unfocusApp } from 'mastodon/actions/app';
|
|
import { blockDomainSuccess } from 'mastodon/actions/domain_blocks_typed';
|
|
import { fetchMarkers } from 'mastodon/actions/markers';
|
|
import {
|
|
clearNotifications,
|
|
fetchNotifications,
|
|
fetchNotificationsGap,
|
|
processNewNotificationForGroups,
|
|
loadPending,
|
|
updateScrollPosition,
|
|
markNotificationsAsRead,
|
|
mountNotifications,
|
|
unmountNotifications,
|
|
} from 'mastodon/actions/notification_groups';
|
|
import {
|
|
disconnectTimeline,
|
|
timelineDelete,
|
|
} from 'mastodon/actions/timelines_typed';
|
|
import type { ApiNotificationJSON } from 'mastodon/api_types/notifications';
|
|
import { compareId } from 'mastodon/compare_id';
|
|
import { usePendingItems } from 'mastodon/initial_state';
|
|
import {
|
|
NOTIFICATIONS_GROUP_MAX_AVATARS,
|
|
createNotificationGroupFromJSON,
|
|
createNotificationGroupFromNotificationJSON,
|
|
} from 'mastodon/models/notification_group';
|
|
import type { NotificationGroup } from 'mastodon/models/notification_group';
|
|
|
|
const NOTIFICATIONS_TRIM_LIMIT = 50;
|
|
|
|
export interface NotificationGap {
|
|
type: 'gap';
|
|
maxId?: string;
|
|
sinceId?: string;
|
|
}
|
|
|
|
interface NotificationGroupsState {
|
|
groups: (NotificationGroup | NotificationGap)[];
|
|
pendingGroups: (NotificationGroup | NotificationGap)[];
|
|
scrolledToTop: boolean;
|
|
isLoading: boolean;
|
|
lastReadId: string;
|
|
readMarkerId: string;
|
|
mounted: number;
|
|
isTabVisible: boolean;
|
|
}
|
|
|
|
const initialState: NotificationGroupsState = {
|
|
groups: [],
|
|
pendingGroups: [], // holds pending groups in slow mode
|
|
scrolledToTop: false,
|
|
isLoading: false,
|
|
// The following properties are used to track unread notifications
|
|
lastReadId: '0', // used internally for unread notifications
|
|
readMarkerId: '0', // user-facing and updated when focus changes
|
|
mounted: 0, // number of mounted notification list components, usually 0 or 1
|
|
isTabVisible: true,
|
|
};
|
|
|
|
function filterNotificationsForAccounts(
|
|
groups: NotificationGroupsState['groups'],
|
|
accountIds: string[],
|
|
onlyForType?: string,
|
|
) {
|
|
groups = groups
|
|
.map((group) => {
|
|
if (
|
|
group.type !== 'gap' &&
|
|
(!onlyForType || group.type === onlyForType)
|
|
) {
|
|
const previousLength = group.sampleAccountIds.length;
|
|
|
|
group.sampleAccountIds = group.sampleAccountIds.filter(
|
|
(id) => !accountIds.includes(id),
|
|
);
|
|
|
|
const newLength = group.sampleAccountIds.length;
|
|
const removed = previousLength - newLength;
|
|
|
|
group.notifications_count -= removed;
|
|
}
|
|
|
|
return group;
|
|
})
|
|
.filter(
|
|
(group) => group.type === 'gap' || group.sampleAccountIds.length > 0,
|
|
);
|
|
mergeGaps(groups);
|
|
return groups;
|
|
}
|
|
|
|
function filterNotificationsForStatus(
|
|
groups: NotificationGroupsState['groups'],
|
|
statusId: string,
|
|
) {
|
|
groups = groups.filter(
|
|
(group) =>
|
|
group.type === 'gap' ||
|
|
!('statusId' in group) ||
|
|
group.statusId !== statusId,
|
|
);
|
|
mergeGaps(groups);
|
|
return groups;
|
|
}
|
|
|
|
function removeNotificationsForAccounts(
|
|
state: NotificationGroupsState,
|
|
accountIds: string[],
|
|
onlyForType?: string,
|
|
) {
|
|
state.groups = filterNotificationsForAccounts(
|
|
state.groups,
|
|
accountIds,
|
|
onlyForType,
|
|
);
|
|
state.pendingGroups = filterNotificationsForAccounts(
|
|
state.pendingGroups,
|
|
accountIds,
|
|
onlyForType,
|
|
);
|
|
}
|
|
|
|
function removeNotificationsForStatus(
|
|
state: NotificationGroupsState,
|
|
statusId: string,
|
|
) {
|
|
state.groups = filterNotificationsForStatus(state.groups, statusId);
|
|
state.pendingGroups = filterNotificationsForStatus(
|
|
state.pendingGroups,
|
|
statusId,
|
|
);
|
|
}
|
|
|
|
function isNotificationGroup(
|
|
groupOrGap: NotificationGroup | NotificationGap,
|
|
): groupOrGap is NotificationGroup {
|
|
return groupOrGap.type !== 'gap';
|
|
}
|
|
|
|
// Merge adjacent gaps in `groups` in-place
|
|
function mergeGaps(groups: NotificationGroupsState['groups']) {
|
|
for (let i = 0; i < groups.length; i++) {
|
|
const firstGroupOrGap = groups[i];
|
|
|
|
if (firstGroupOrGap?.type === 'gap') {
|
|
let lastGap = firstGroupOrGap;
|
|
let j = i + 1;
|
|
|
|
for (; j < groups.length; j++) {
|
|
const groupOrGap = groups[j];
|
|
if (groupOrGap?.type === 'gap') lastGap = groupOrGap;
|
|
else break;
|
|
}
|
|
|
|
if (j - i > 1) {
|
|
groups.splice(i, j - i, {
|
|
type: 'gap',
|
|
maxId: firstGroupOrGap.maxId,
|
|
sinceId: lastGap.sinceId,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Checks if `groups[index-1]` and `groups[index]` are gaps, and merge them in-place if they are
|
|
function mergeGapsAround(
|
|
groups: NotificationGroupsState['groups'],
|
|
index: number,
|
|
) {
|
|
if (index > 0) {
|
|
const potentialFirstGap = groups[index - 1];
|
|
const potentialSecondGap = groups[index];
|
|
|
|
if (
|
|
potentialFirstGap?.type === 'gap' &&
|
|
potentialSecondGap?.type === 'gap'
|
|
) {
|
|
groups.splice(index - 1, 2, {
|
|
type: 'gap',
|
|
maxId: potentialFirstGap.maxId,
|
|
sinceId: potentialSecondGap.sinceId,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
function processNewNotification(
|
|
groups: NotificationGroupsState['groups'],
|
|
notification: ApiNotificationJSON,
|
|
) {
|
|
const existingGroupIndex = groups.findIndex(
|
|
(group) =>
|
|
group.type !== 'gap' && group.group_key === notification.group_key,
|
|
);
|
|
|
|
// In any case, we are going to add a group at the top
|
|
// If there is currently a gap at the top, now is the time to update it
|
|
if (groups.length > 0 && groups[0]?.type === 'gap') {
|
|
groups[0].maxId = notification.id;
|
|
}
|
|
|
|
if (existingGroupIndex > -1) {
|
|
const existingGroup = groups[existingGroupIndex];
|
|
|
|
if (
|
|
existingGroup &&
|
|
existingGroup.type !== 'gap' &&
|
|
!existingGroup.sampleAccountIds.includes(notification.account.id) // This can happen for example if you like, then unlike, then like again the same post
|
|
) {
|
|
// Update the existing group
|
|
if (
|
|
existingGroup.sampleAccountIds.unshift(notification.account.id) >
|
|
NOTIFICATIONS_GROUP_MAX_AVATARS
|
|
)
|
|
existingGroup.sampleAccountIds.pop();
|
|
|
|
existingGroup.most_recent_notification_id = notification.id;
|
|
existingGroup.page_max_id = notification.id;
|
|
existingGroup.latest_page_notification_at = notification.created_at;
|
|
existingGroup.notifications_count += 1;
|
|
|
|
groups.splice(existingGroupIndex, 1);
|
|
mergeGapsAround(groups, existingGroupIndex);
|
|
|
|
groups.unshift(existingGroup);
|
|
}
|
|
} else {
|
|
// Create a new group
|
|
groups.unshift(createNotificationGroupFromNotificationJSON(notification));
|
|
}
|
|
}
|
|
|
|
function trimNotifications(state: NotificationGroupsState) {
|
|
if (state.scrolledToTop) {
|
|
state.groups.splice(NOTIFICATIONS_TRIM_LIMIT);
|
|
}
|
|
}
|
|
|
|
function shouldMarkNewNotificationsAsRead(
|
|
{
|
|
isTabVisible,
|
|
scrolledToTop,
|
|
mounted,
|
|
lastReadId,
|
|
groups,
|
|
}: NotificationGroupsState,
|
|
ignoreScroll = false,
|
|
) {
|
|
const isMounted = mounted > 0;
|
|
const oldestGroup = groups.findLast(isNotificationGroup);
|
|
const hasMore = groups.at(-1)?.type === 'gap';
|
|
const oldestGroupReached =
|
|
!hasMore ||
|
|
lastReadId === '0' ||
|
|
(oldestGroup?.page_min_id &&
|
|
compareId(oldestGroup.page_min_id, lastReadId) <= 0);
|
|
|
|
return (
|
|
isTabVisible &&
|
|
(ignoreScroll || scrolledToTop) &&
|
|
isMounted &&
|
|
oldestGroupReached
|
|
);
|
|
}
|
|
|
|
function updateLastReadId(
|
|
state: NotificationGroupsState,
|
|
group: NotificationGroup | undefined = undefined,
|
|
) {
|
|
if (shouldMarkNewNotificationsAsRead(state)) {
|
|
group = group ?? state.groups.find(isNotificationGroup);
|
|
if (
|
|
group?.page_max_id &&
|
|
compareId(state.lastReadId, group.page_max_id) < 0
|
|
)
|
|
state.lastReadId = group.page_max_id;
|
|
}
|
|
}
|
|
|
|
function commitLastReadId(state: NotificationGroupsState) {
|
|
if (shouldMarkNewNotificationsAsRead(state)) {
|
|
state.readMarkerId = state.lastReadId;
|
|
}
|
|
}
|
|
|
|
export const notificationGroupsReducer = createReducer<NotificationGroupsState>(
|
|
initialState,
|
|
(builder) => {
|
|
builder
|
|
.addCase(fetchNotifications.fulfilled, (state, action) => {
|
|
state.groups = action.payload.map((json) =>
|
|
json.type === 'gap' ? json : createNotificationGroupFromJSON(json),
|
|
);
|
|
state.isLoading = false;
|
|
updateLastReadId(state);
|
|
})
|
|
.addCase(fetchNotificationsGap.fulfilled, (state, action) => {
|
|
const { notifications } = action.payload;
|
|
|
|
// find the gap in the existing notifications
|
|
const gapIndex = state.groups.findIndex(
|
|
(groupOrGap) =>
|
|
groupOrGap.type === 'gap' &&
|
|
groupOrGap.sinceId === action.meta.arg.gap.sinceId &&
|
|
groupOrGap.maxId === action.meta.arg.gap.maxId,
|
|
);
|
|
|
|
if (gapIndex < 0)
|
|
// We do not know where to insert, let's return
|
|
return;
|
|
|
|
// Filling a disconnection gap means we're getting historical data
|
|
// about groups we may know or may not know about.
|
|
|
|
// The notifications timeline is split in two by the gap, with
|
|
// group information newer than the gap, and group information older
|
|
// than the gap.
|
|
|
|
// Filling a gap should not touch anything before the gap, so any
|
|
// information on groups already appearing before the gap should be
|
|
// discarded, while any information on groups appearing after the gap
|
|
// can be updated and re-ordered.
|
|
|
|
const oldestPageNotification = notifications.at(-1)?.page_min_id;
|
|
|
|
// replace the gap with the notifications + a new gap
|
|
|
|
const newerGroupKeys = state.groups
|
|
.slice(0, gapIndex)
|
|
.filter(isNotificationGroup)
|
|
.map((group) => group.group_key);
|
|
|
|
const toInsert: NotificationGroupsState['groups'] = notifications
|
|
.map((json) => createNotificationGroupFromJSON(json))
|
|
.filter(
|
|
(notification) => !newerGroupKeys.includes(notification.group_key),
|
|
);
|
|
|
|
const apiGroupKeys = (toInsert as NotificationGroup[]).map(
|
|
(group) => group.group_key,
|
|
);
|
|
|
|
const sinceId = action.meta.arg.gap.sinceId;
|
|
if (
|
|
notifications.length > 0 &&
|
|
!(
|
|
oldestPageNotification &&
|
|
sinceId &&
|
|
compareId(oldestPageNotification, sinceId) <= 0
|
|
)
|
|
) {
|
|
// If we get an empty page, it means we reached the bottom, so we do not need to insert a new gap
|
|
// Similarly, if we've fetched more than the gap's, this means we have completely filled it
|
|
toInsert.push({
|
|
type: 'gap',
|
|
maxId: notifications.at(-1)?.page_max_id,
|
|
sinceId,
|
|
} as NotificationGap);
|
|
}
|
|
|
|
// Remove older groups covered by the API
|
|
state.groups = state.groups.filter(
|
|
(groupOrGap) =>
|
|
groupOrGap.type !== 'gap' &&
|
|
!apiGroupKeys.includes(groupOrGap.group_key),
|
|
);
|
|
|
|
// Replace the gap with API results (+ the new gap if needed)
|
|
state.groups.splice(gapIndex, 1, ...toInsert);
|
|
|
|
// Finally, merge any adjacent gaps that could have been created by filtering
|
|
// groups earlier
|
|
mergeGaps(state.groups);
|
|
|
|
state.isLoading = false;
|
|
|
|
updateLastReadId(state);
|
|
})
|
|
.addCase(processNewNotificationForGroups.fulfilled, (state, action) => {
|
|
const notification = action.payload;
|
|
processNewNotification(
|
|
usePendingItems ? state.pendingGroups : state.groups,
|
|
notification,
|
|
);
|
|
updateLastReadId(state);
|
|
trimNotifications(state);
|
|
})
|
|
.addCase(disconnectTimeline, (state, action) => {
|
|
if (action.payload.timeline === 'home') {
|
|
if (state.groups.length > 0 && state.groups[0]?.type !== 'gap') {
|
|
state.groups.unshift({
|
|
type: 'gap',
|
|
sinceId: state.groups[0]?.page_min_id,
|
|
});
|
|
}
|
|
}
|
|
})
|
|
.addCase(timelineDelete, (state, action) => {
|
|
removeNotificationsForStatus(state, action.payload.statusId);
|
|
})
|
|
.addCase(clearNotifications.pending, (state) => {
|
|
state.groups = [];
|
|
state.pendingGroups = [];
|
|
})
|
|
.addCase(blockAccountSuccess, (state, action) => {
|
|
removeNotificationsForAccounts(state, [action.payload.relationship.id]);
|
|
})
|
|
.addCase(muteAccountSuccess, (state, action) => {
|
|
if (action.payload.relationship.muting_notifications)
|
|
removeNotificationsForAccounts(state, [
|
|
action.payload.relationship.id,
|
|
]);
|
|
})
|
|
.addCase(blockDomainSuccess, (state, action) => {
|
|
removeNotificationsForAccounts(
|
|
state,
|
|
action.payload.accounts.map((account) => account.id),
|
|
);
|
|
})
|
|
.addCase(loadPending, (state) => {
|
|
// First, remove any existing group and merge data
|
|
state.pendingGroups.forEach((group) => {
|
|
if (group.type !== 'gap') {
|
|
const existingGroupIndex = state.groups.findIndex(
|
|
(groupOrGap) =>
|
|
isNotificationGroup(groupOrGap) &&
|
|
groupOrGap.group_key === group.group_key,
|
|
);
|
|
if (existingGroupIndex > -1) {
|
|
const existingGroup = state.groups[existingGroupIndex];
|
|
if (existingGroup && existingGroup.type !== 'gap') {
|
|
group.notifications_count += existingGroup.notifications_count;
|
|
group.sampleAccountIds = group.sampleAccountIds
|
|
.concat(existingGroup.sampleAccountIds)
|
|
.slice(0, NOTIFICATIONS_GROUP_MAX_AVATARS);
|
|
state.groups.splice(existingGroupIndex, 1);
|
|
}
|
|
}
|
|
}
|
|
trimNotifications(state);
|
|
});
|
|
|
|
// Then build the consolidated list and clear pending groups
|
|
state.groups = state.pendingGroups.concat(state.groups);
|
|
state.pendingGroups = [];
|
|
})
|
|
.addCase(updateScrollPosition, (state, action) => {
|
|
state.scrolledToTop = action.payload.top;
|
|
updateLastReadId(state);
|
|
trimNotifications(state);
|
|
})
|
|
.addCase(markNotificationsAsRead, (state) => {
|
|
const mostRecentGroup = state.groups.find(isNotificationGroup);
|
|
if (
|
|
mostRecentGroup?.page_max_id &&
|
|
compareId(state.lastReadId, mostRecentGroup.page_max_id) < 0
|
|
)
|
|
state.lastReadId = mostRecentGroup.page_max_id;
|
|
commitLastReadId(state);
|
|
})
|
|
.addCase(fetchMarkers.fulfilled, (state, action) => {
|
|
if (
|
|
action.payload.markers.notifications &&
|
|
compareId(
|
|
state.lastReadId,
|
|
action.payload.markers.notifications.last_read_id,
|
|
) < 0
|
|
) {
|
|
state.lastReadId = action.payload.markers.notifications.last_read_id;
|
|
state.readMarkerId =
|
|
action.payload.markers.notifications.last_read_id;
|
|
}
|
|
})
|
|
.addCase(mountNotifications, (state) => {
|
|
state.mounted += 1;
|
|
commitLastReadId(state);
|
|
updateLastReadId(state);
|
|
})
|
|
.addCase(unmountNotifications, (state) => {
|
|
state.mounted -= 1;
|
|
})
|
|
.addCase(focusApp, (state) => {
|
|
state.isTabVisible = true;
|
|
commitLastReadId(state);
|
|
updateLastReadId(state);
|
|
})
|
|
.addCase(unfocusApp, (state) => {
|
|
state.isTabVisible = false;
|
|
})
|
|
.addMatcher(
|
|
isAnyOf(authorizeFollowRequestSuccess, rejectFollowRequestSuccess),
|
|
(state, action) => {
|
|
removeNotificationsForAccounts(
|
|
state,
|
|
[action.payload.id],
|
|
'follow_request',
|
|
);
|
|
},
|
|
)
|
|
.addMatcher(
|
|
isAnyOf(fetchNotifications.pending, fetchNotificationsGap.pending),
|
|
(state) => {
|
|
state.isLoading = true;
|
|
},
|
|
)
|
|
.addMatcher(
|
|
isAnyOf(fetchNotifications.rejected, fetchNotificationsGap.rejected),
|
|
(state) => {
|
|
state.isLoading = false;
|
|
},
|
|
);
|
|
},
|
|
);
|