ukraine-timemap/src/reducers/ui.js

import initial from '../store/initial.js';

import {
  TOGGLE_FETCHING_DOMAIN,
  TOGGLE_FETCHING_SOURCES,
  TOGGLE_VIEW,
  TOGGLE_TIMELINE,
  TOGGLE_INFOPOPUP,
  TOGGLE_NOTIFICATIONS
} from '../actions'

function toggleFetchingDomain(uiState, action) {
  return Object.assign({}, uiState, {
    flags: Object.assign({}, uiState.flags, {
      isFetchingDomain: !uiState.flags.isFetchingDomain
    })
  });
}

function toggleFetchingSources(uiState, action) {
  return Object.assign({}, uiState, {
    flags: Object.assign({}, uiState.flags, {
      isFetchingSources: !uiState.flags.isFetchingSources
    })
  });
}

function toggleInfoPopup(uiState, action) {
  return Object.assign({}, uiState, {
    flags: Object.assign({}, uiState.flags, {
      isInfopopup: !uiState.flags.isInfopopup
    })
  });
}

function toggleNotifications(uiState, action) {
  return Object.assign({}, uiState, {
    flags: Object.assign({}, uiState.flags, {
      isNotification: !uiState.flags.isNotification
    })
  });
}

function ui(uiState = initial.ui, action) {
  switch (action.type) {
    case TOGGLE_FETCHING_DOMAIN:
      return toggleFetchingDomain(uiState, action);
    case TOGGLE_FETCHING_SOURCES:
      return toggleFetchingSources(uiState, action);
    case TOGGLE_INFOPOPUP:
      return toggleInfoPopup(uiState, action);
    case TOGGLE_NOTIFICATIONS:
      return toggleNotifications(uiState, action);
    default:
      return uiState;
  }
}

export default ui;