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import {
ACCOUNT_FOLLOW_SUCCESS,
ACCOUNT_UNFOLLOW_SUCCESS,
} from '../actions/accounts';
import { ACCOUNT_IMPORT, ACCOUNTS_IMPORT } from '../actions/importer';
import { Map as ImmutableMap, fromJS } from 'immutable';
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 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));
default:
return state;
}
};
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