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import {
TIMELINE_REFRESH_SUCCESS,
TIMELINE_UPDATE,
TIMELINE_DELETE
} from '../actions/timelines';
import {
REBLOG_SUCCESS,
FAVOURITE_SUCCESS
} from '../actions/interactions';
import {
ACCOUNT_SET_SELF,
ACCOUNT_FETCH_SUCCESS,
ACCOUNT_FOLLOW_SUCCESS,
ACCOUNT_UNFOLLOW_SUCCESS,
ACCOUNT_TIMELINE_FETCH_SUCCESS
} from '../actions/accounts';
import { STATUS_FETCH_SUCCESS } from '../actions/statuses';
import { FOLLOW_SUBMIT_SUCCESS } from '../actions/follow';
import Immutable from 'immutable';
const initialState = Immutable.Map({
home: Immutable.List([]),
mentions: Immutable.List([]),
statuses: Immutable.Map(),
accounts: Immutable.Map(),
accounts_timelines: Immutable.Map(),
me: null,
ancestors: Immutable.Map(),
descendants: Immutable.Map()
});
export function selectStatus(state, id) {
let status = state.getIn(['timelines', 'statuses', id], null);
if (status === null) {
return null;
}
status = status.set('account', state.getIn(['timelines', 'accounts', status.get('account')]));
if (status.get('reblog') !== null) {
status = status.set('reblog', selectStatus(state, status.get('reblog')));
}
return status;
};
function normalizeStatus(state, status) {
// Separate account
let account = status.get('account');
status = status.set('account', account.get('id'));
// Separate reblog, repeat for reblog
let reblog = status.get('reblog');
if (reblog !== null) {
status = status.set('reblog', reblog.get('id'));
state = normalizeStatus(state, reblog);
}
// Replies
if (status.get('in_reply_to_id')) {
state = state.updateIn(['descendants', status.get('in_reply_to_id')], set => {
if (!Immutable.OrderedSet.isOrderedSet(set)) {
return Immutable.OrderedSet([status.get('id')]);
} else {
return set.add(status.get('id'));
}
});
}
return state.withMutations(map => {
if (status.get('in_reply_to_id')) {
map.updateIn(['descendants', status.get('in_reply_to_id')], Immutable.OrderedSet(), set => set.add(status.get('id')));
map.updateIn(['ancestors', status.get('id')], Immutable.OrderedSet(), set => set.add(status.get('in_reply_to_id')));
}
map.setIn(['accounts', account.get('id')], account);
map.setIn(['statuses', status.get('id')], status);
});
};
function normalizeTimeline(state, timeline, statuses) {
statuses.forEach((status, i) => {
state = normalizeStatus(state, status);
state = state.setIn([timeline, i], status.get('id'));
});
return state;
};
function normalizeAccountTimeline(state, accountId, statuses) {
statuses.forEach((status, i) => {
state = normalizeStatus(state, status);
state = state.updateIn(['accounts_timelines', accountId], Immutable.List(), list => list.set(i, status.get('id')));
});
return state;
};
function updateTimeline(state, timeline, status) {
state = normalizeStatus(state, status);
state = state.update(timeline, list => list.unshift(status.get('id')));
state = state.updateIn(['accounts_timelines', status.getIn(['account', 'id'])], Immutable.List(), list => list.unshift(status.get('id')));
return state;
};
function deleteStatus(state, id) {
['home', 'mentions'].forEach(function (timeline) {
state = state.update(timeline, list => list.filterNot(item => item === id));
});
return state.deleteIn(['statuses', id]);
};
function normalizeAccount(state, account) {
return state.setIn(['accounts', account.get('id')], account);
};
function normalizeContext(state, status, ancestors, descendants) {
state = normalizeStatus(state, status);
let ancestorsIds = ancestors.map(ancestor => {
state = normalizeStatus(state, ancestor);
return ancestor.get('id');
}).toOrderedSet();
let descendantsIds = descendants.map(descendant => {
state = normalizeStatus(state, descendant);
return descendant.get('id');
}).toOrderedSet();
return state.withMutations(map => {
map.setIn(['ancestors', status.get('id')], ancestorsIds);
map.setIn(['descendants', status.get('id')], descendantsIds);
});
};
export default function timelines(state = initialState, action) {
switch(action.type) {
case TIMELINE_REFRESH_SUCCESS:
return normalizeTimeline(state, action.timeline, Immutable.fromJS(action.statuses));
case TIMELINE_UPDATE:
return updateTimeline(state, action.timeline, Immutable.fromJS(action.status));
case TIMELINE_DELETE:
return deleteStatus(state, action.id);
case REBLOG_SUCCESS:
case FAVOURITE_SUCCESS:
return normalizeStatus(state, Immutable.fromJS(action.response));
case ACCOUNT_SET_SELF:
return state.withMutations(map => {
map.setIn(['accounts', action.account.id], Immutable.fromJS(action.account));
map.set('me', action.account.id);
});
case ACCOUNT_FETCH_SUCCESS:
case FOLLOW_SUBMIT_SUCCESS:
case ACCOUNT_FOLLOW_SUCCESS:
case ACCOUNT_UNFOLLOW_SUCCESS:
return normalizeAccount(state, Immutable.fromJS(action.account));
case STATUS_FETCH_SUCCESS:
return normalizeContext(state, Immutable.fromJS(action.status), Immutable.fromJS(action.context.ancestors), Immutable.fromJS(action.context.descendants));
case ACCOUNT_TIMELINE_FETCH_SUCCESS:
return normalizeAccountTimeline(state, action.id, Immutable.fromJS(action.statuses));
default:
return state;
}
};
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