1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16export class DateUtil {
17  private static readonly NEW_NAME_IMG: string = 'IMG_';
18  private static readonly NEW_NAME_EDIT: string = 'edit_';
19  private static readonly NEW_NAME_EDIT_PREFIX: string = '_edit_';
20
21  public static formats(formatStr?: string): string {
22    let time = new Date();
23    if (!formatStr) {
24      return time.valueOf().toString();
25    }
26    let opts = {
27      'MM': time.getMonth() + 1,
28      'dd': time.getDate(),
29      'HH': time.getHours(),
30      'mm': time.getMinutes(),
31      'ss': time.getSeconds()
32    };
33
34    if (/(y+)/.test(formatStr)) {
35      formatStr = formatStr.replace('yyyy', time.getFullYear().toString().substr(0));
36    }
37    for (let f in opts) {
38      if (new RegExp('(' + f + ')').test(formatStr)) {
39        formatStr = formatStr.replace(f, (f.length == 1) ? opts[f] : (('00' + opts[f]).substr(
40          opts[f].toString().length)));
41      }
42    }
43    return formatStr;
44  }
45
46  public static nameByDate(isReplace: Boolean, name?: string): string {
47    if (isReplace) {
48      if (name) {
49        let index: number = String(name).indexOf(DateUtil.NEW_NAME_EDIT_PREFIX);
50        if (index >= 0) {
51          return String(name).substring(0, index) + '_' + DateUtil.NEW_NAME_EDIT + DateUtil.formats();
52        }
53        return name.split('.')[0] + '_' + DateUtil.NEW_NAME_EDIT + DateUtil.formats();
54      }
55      return null;
56    } else {
57      return DateUtil.NEW_NAME_IMG + DateUtil.formats('yyyyMMdd_HHmmss');
58    }
59  }
60}
61