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132 lines
3.6 KiB
JavaScript
132 lines
3.6 KiB
JavaScript
/**
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* File: array-store.js
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* Author: Markus Grigull <mgrigull@eonerc.rwth-aachen.de>
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* Date: 03.03.2017
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*
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* This file is part of VILLASweb.
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*
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* VILLASweb is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* VILLASweb is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with VILLASweb. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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import { ReduceStore } from 'flux/utils';
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import AppDispatcher from '../app-dispatcher';
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class ArrayStore extends ReduceStore {
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constructor(type, dataManager) {
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super(AppDispatcher);
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this.type = type;
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this.dataManager = dataManager;
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}
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getInitialState() {
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return [];
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}
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updateElements(state, newElements) {
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// search for existing element to update
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state.forEach((element, index, array) => {
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newElements = newElements.filter((updateElement, newIndex) => {
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if (element._id === updateElement._id) {
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// update each property
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for (var key in updateElement) {
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if (updateElement.hasOwnProperty(key)) {
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array[index][key] = updateElement[key];
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}
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}
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// remove updated element from update list
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return false;
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}
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return true;
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});
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});
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// all elements still in the list will just be added
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state = state.concat(newElements);
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// announce change to listeners
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this.__emitChange();
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return state;
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}
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reduce(state, action) {
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switch (action.type) {
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case this.type + '/start-load':
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if (Array.isArray(action.data)) {
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action.data.forEach((id) => {
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this.dataManager.load(id, action.token);
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});
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} else {
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this.dataManager.load(action.data, action.token);
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}
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return state;
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case this.type + '/loaded':
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if (Array.isArray(action.data)) {
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return this.updateElements(state, action.data);
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} else {
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return this.updateElements(state, [action.data]);
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}
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case this.type + '/load-error':
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// TODO: Add error message
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return state;
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case this.type + '/start-add':
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this.dataManager.add(action.data, action.token);
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return state;
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case this.type + '/added':
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return this.updateElements(state, [action.data]);
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case this.type + '/add-error':
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console.log('something happened');
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// TODO: Add error message
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return state;
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case this.type + '/start-remove':
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this.dataManager.remove(action.data, action.token);
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return state;
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case this.type + '/removed':
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return state.filter((item) => {
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return (item !== action.original);
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});
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case this.type + '/remove-error':
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// TODO: Add error message
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return state;
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case this.type + '/start-edit':
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this.dataManager.update(action.data, action.token);
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return state;
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case this.type + '/edited':
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return this.updateElements(state, [action.data]);
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case this.type + '/edit-error':
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// TODO: Add error message
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return state;
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default:
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return state;
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}
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}
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}
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export default ArrayStore;
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