1/*
2 * Copyright (C) 2021 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
16#ifndef TELEPHONY_TIME_UTIL_H
17#define TELEPHONY_TIME_UTIL_H
18
19#include <ctime>
20#include <cstring>
21
22namespace OHOS {
23namespace Telephony {
24void FormatDate(std::string &date, const tm *ltm)
25{
26    if (ltm != nullptr) {
27        int START_YEAR = 1900;
28        int DOUBLE_DIGIT = 10;
29        int year = START_YEAR + ltm->tm_year;
30        int month = 1 + ltm->tm_mon;
31        int day = ltm->tm_mday;
32        int hour = ltm->tm_hour;
33        int minute = ltm->tm_min;
34        int second = ltm->tm_sec;
35        date.append(std::to_string(year));
36        date.append("-");
37        if (month < DOUBLE_DIGIT) {
38            date.append("0");
39        }
40        date.append(std::to_string(month));
41        date.append("-");
42        if (day < DOUBLE_DIGIT) {
43            date.append("0");
44        }
45        date.append(std::to_string(day));
46        date.append(" ");
47        if (hour < DOUBLE_DIGIT) {
48            date.append("0");
49        }
50        date.append(std::to_string(hour));
51        date.append(":");
52        if (minute < DOUBLE_DIGIT) {
53            date.append("0");
54        }
55        date.append(std::to_string(minute));
56        date.append(":");
57        if (second < DOUBLE_DIGIT) {
58            date.append("0");
59        }
60        date.append(std::to_string(second));
61    }
62}
63
64void GetCurrentTime(std::string &date)
65{
66    time_t *DEFAULT_TIMER = 0;
67    time_t now = time(DEFAULT_TIMER);
68    if (now == -1) {
69        return;
70    }
71    struct tm tm = { 0 };
72    struct tm *ltm = localtime_r(&now, &tm);
73    if (ltm == nullptr) {
74        return;
75    }
76    FormatDate(date, ltm);
77}
78
79void GetTimeOfThirty(std::string &date)
80{
81    int64_t THIRTY_DAYS = 2592000;
82    time_t *DEFAULT_TIMER = 0;
83    time_t now = time(DEFAULT_TIMER) - THIRTY_DAYS;
84    date = std::to_string(now);
85}
86} // namespace Telephony
87} // namespace OHOS
88#endif // TELEPHONY_TIME_UTIL_H
89