bigbuffet-rw/app/soapbox/reducers/contexts.js
2021-04-21 16:40:32 -05:00

106 lines
3.6 KiB
JavaScript

import {
ACCOUNT_BLOCK_SUCCESS,
ACCOUNT_MUTE_SUCCESS,
} from '../actions/accounts';
import { CONTEXT_FETCH_SUCCESS } from '../actions/statuses';
import { TIMELINE_DELETE } from '../actions/timelines';
import { STATUS_IMPORT, STATUSES_IMPORT } from 'soapbox/actions/importer';
import { Map as ImmutableMap, OrderedSet as ImmutableOrderedSet } from 'immutable';
const initialState = ImmutableMap({
inReplyTos: ImmutableMap(),
replies: ImmutableMap(),
});
const importStatus = (state, { id, in_reply_to_id }) => {
if (!in_reply_to_id) return state;
return state.withMutation(state => {
state.setIn(['inReplyTos', id, in_reply_to_id]);
state.updateIn(['replies', in_reply_to_id], ImmutableOrderedSet(), ids => {
return ids.add(id).sort();
});
});
};
const importStatuses = (state, statuses) => {
return state.withMutations(state => {
statuses.forEach(status => importStatus(state, status));
});
};
const normalizeContext = (immutableState, id, ancestors, descendants) => immutableState.withMutations(state => {
state.update('inReplyTos', immutableAncestors => immutableAncestors.withMutations(inReplyTos => {
state.update('replies', immutableDescendants => immutableDescendants.withMutations(replies => {
ancestors.forEach(status => importStatus(state, status));
descendants.forEach(status => {
if (status.in_reply_to_id) {
importStatus(state, status);
} else {
importStatus(state, { id: `tombstone-${status.id}`, in_reply_to_id: id });
importStatus(state, { id: status.id, in_reply_to_id: `tombstone-${status.id}` });
}
});
if (ancestors.length > 0 && !inReplyTos.get(id)) {
const { id: lastId } = ancestors[ancestors.length - 1];
replies.update(`tombstone-${id}`, ImmutableOrderedSet(), siblings => siblings.add(id).sort());
replies.update(lastId, ImmutableOrderedSet(), siblings => siblings.add(`tombstone-${id}`).sort());
inReplyTos.set(id, `tombstone-${id}`);
inReplyTos.set(`tombstone-${id}`, lastId);
}
}));
}));
});
const deleteFromContexts = (immutableState, ids) => immutableState.withMutations(state => {
state.update('inReplyTos', immutableAncestors => immutableAncestors.withMutations(inReplyTos => {
state.update('replies', immutableDescendants => immutableDescendants.withMutations(replies => {
ids.forEach(id => {
const inReplyToIdOfId = inReplyTos.get(id);
const repliesOfId = replies.get(id);
const siblings = replies.get(inReplyToIdOfId);
if (siblings) {
replies.set(inReplyToIdOfId, siblings.filterNot(sibling => sibling === id));
}
if (repliesOfId) {
repliesOfId.forEach(reply => inReplyTos.delete(reply));
}
inReplyTos.delete(id);
replies.delete(id);
});
}));
}));
});
const filterContexts = (state, relationship, statuses) => {
const ownedStatusIds = statuses
.filter(status => status.get('account') === relationship.id)
.map(status => status.get('id'));
return deleteFromContexts(state, ownedStatusIds);
};
export default function replies(state = initialState, action) {
switch(action.type) {
case ACCOUNT_BLOCK_SUCCESS:
case ACCOUNT_MUTE_SUCCESS:
return filterContexts(state, action.relationship, action.statuses);
case CONTEXT_FETCH_SUCCESS:
return normalizeContext(state, action.id, action.ancestors, action.descendants);
case TIMELINE_DELETE:
return deleteFromContexts(state, [action.id]);
case STATUS_IMPORT:
return importStatus(state, action.status);
case STATUSES_IMPORT:
return importStatuses(state, action.statuses);
default:
return state;
}
};