| /* |
| * Copyright 2023 Google LLC |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.lizlooney.shoppinglist; |
| |
| import java.util.Comparator; |
| |
| /** |
| * Class containing Item Comparators. |
| * |
| * @author lizlooney@gmail.com (Liz Looney) |
| */ |
| public final class ItemComparators { |
| public static final Comparator<Item> SORT_FOR_PLANNING = new Comparator<>() { |
| @Override |
| public int compare(Item o1, Item o2) { |
| int result = o1.getCategory().compareToIgnoreCase(o2.getCategory()); |
| if (result != 0) { |
| return result; |
| } |
| result = o1.getDescription().compareToIgnoreCase(o2.getDescription()); |
| if (result != 0) { |
| return result; |
| } |
| return o1.getId() - o2.getId(); |
| } |
| }; |
| |
| public static Comparator<Item> sortForShopping(final String storeFilter) { |
| return new Comparator<>() { |
| @Override |
| public int compare(Item o1, Item o2) { |
| ItemState state1 = o1.getState(); |
| ItemState state2 = o2.getState(); |
| // Needed items come first. |
| if (state1 != state2) { |
| if (state1 == ItemState.NEED) { |
| return -1; |
| } |
| if (state2 == ItemState.NEED) { |
| return 1; |
| } |
| } |
| |
| if (storeFilter != null) { |
| int result = o1.getAisle(storeFilter).compareToIgnoreCase(o2.getAisle(storeFilter)); |
| if (result != 0) { |
| return result; |
| } |
| } |
| |
| int result = o1.getDescription().compareToIgnoreCase(o2.getDescription()); |
| if (result != 0) { |
| return result; |
| } |
| |
| return o1.getId() - o2.getId(); |
| } |
| }; |
| } |
| } |