@hhjcz/redux-rest/lib/reducers/paginationReducer.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

exports.default = createReducer;

var _Pagination = require('../models/Pagination');

var _Pagination2 = _interopRequireDefault(_Pagination);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function setPagination(currentPagination, nextPagination) {
  return !nextPagination ? currentPagination : new _Pagination2.default((0, _extends3.default)({}, currentPagination.toObject(), {
    total: nextPagination.total,
    totalPages: nextPagination.totalPages
  }));
} /** Created by hhj on 8/29/16. */


function setPaginationForIds(currentPagination, nextPagination) {
  return setPagination(currentPagination, (0, _extends3.default)({}, nextPagination, {
    totalPages: Math.ceil(nextPagination.total / currentPagination.toObject().perPage)
  }));
}

/**
 * @param {Object} actionTypes
 * @returns {paginationReducer}
 */
function createReducer(actionTypes) {

  return function paginationReducer() {
    var state = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
    var action = arguments[1];


    var nextPagination = action.meta ? action.meta.pagination : null;

    switch (action.type) {
      case actionTypes.fetchCollectionSuccess:
        return setPagination(state, nextPagination);

      case actionTypes.fetchIdsSuccess:
        return setPaginationForIds(state, nextPagination);

      case actionTypes.gotoPage:
        return (0, _Pagination.setPage)(state, action.page);

      case actionTypes.setPagination:
        return new _Pagination2.default(action.pagination);

      case actionTypes.pointCursorTo:
        var page = Math.ceil(action.cursorAt / state.perPage);
        return new _Pagination2.default((0, _extends3.default)({}, state.toObject(), {
          cursorAt: action.cursorAt,
          page: page
        }));

      case actionTypes.setPageSize:
        return (0, _Pagination.setPageSize)(state, action.perPage);

      default:
        return state;
    }
  };
}