Mangane/app/soapbox/reducers/accounts_counters.js

55 lines
1.8 KiB
JavaScript

import { Map as ImmutableMap, fromJS } from 'immutable';
import { STREAMING_FOLLOW_RELATIONSHIPS_UPDATE } from 'soapbox/actions/streaming';
import {
ACCOUNT_FOLLOW_SUCCESS,
ACCOUNT_UNFOLLOW_SUCCESS,
} from '../actions/accounts';
import { ACCOUNT_IMPORT, ACCOUNTS_IMPORT } from '../actions/importer';
const normalizeAccount = (state, account) => state.set(account.id, fromJS({
followers_count: account.followers_count,
following_count: account.following_count,
statuses_count: account.statuses_count,
}));
const normalizeAccounts = (state, accounts) => {
accounts.forEach(account => {
state = normalizeAccount(state, account);
});
return state;
};
const updateFollowCounters = (state, counterUpdates) => {
return state.withMutations(state => {
counterUpdates.forEach(counterUpdate => {
state.update(counterUpdate.id, ImmutableMap(), counters => counters.merge({
followers_count: counterUpdate.follower_count,
following_count: counterUpdate.following_count,
}));
});
});
};
const initialState = ImmutableMap();
export default function accountsCounters(state = initialState, action) {
switch (action.type) {
case ACCOUNT_IMPORT:
return normalizeAccount(state, action.account);
case ACCOUNTS_IMPORT:
return normalizeAccounts(state, action.accounts);
case ACCOUNT_FOLLOW_SUCCESS:
return action.alreadyFollowing ? state :
state.updateIn([action.relationship.id, 'followers_count'], num => num + 1);
case ACCOUNT_UNFOLLOW_SUCCESS:
return state.updateIn([action.relationship.id, 'followers_count'], num => Math.max(0, num - 1));
case STREAMING_FOLLOW_RELATIONSHIPS_UPDATE:
return updateFollowCounters(state, [action.follower, action.following]);
default:
return state;
}
}