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ChineseNewYear
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| func isChineseNewYear() -> Bool { | |
| let today = Date() | |
| let chineseCalendar = Calendar(identifier: Calendar.Identifier.chinese) | |
| var components = chineseCalendar.dateComponents([.year, .timeZone], from: today) | |
| guard let chineseDate = chineseCalendar.date(from: components) else { return false } | |
| let chineseYear = Calendar.current.component(.year, from: chineseDate) | |
| let currentYear = Calendar.current.component(.year, from: today) | |
| guard let year = components.year else { return false } | |
| components.year = year + (currentYear - chineseYear) | |
| guard let date = chineseCalendar.date(from: components) else { return false } | |
| guard let month = date.dateComponents().month else { return false } | |
| guard let day = date.dateComponents().day else { return false } | |
| return day == 1 && month == 1 | |
| } | |
| func isChineseNewYearPeriod() -> Bool { | |
| let today = Date() | |
| let chineseCalendar = Calendar(identifier: Calendar.Identifier.chinese) | |
| var components = chineseCalendar.dateComponents([.year, .timeZone], from: today) | |
| components.hour = 0 | |
| components.minute = 0 | |
| guard let chineseDate = chineseCalendar.date(from: components) else { return false } | |
| let chineseYear = Calendar.current.component(.year, from: chineseDate) | |
| let currentYear = Calendar.current.component(.year, from: today) | |
| guard let year = components.year else { return false } | |
| components.year = year + (currentYear - chineseYear) | |
| guard let chineseNewYearDate = chineseCalendar.date(from: components) else { return false } | |
| guard let startDate = chineseCalendar.date(byAdding: .day, value: -7, to: chineseNewYearDate) else { return false } | |
| guard let endDate = chineseCalendar.date(byAdding: .day, value: 21, to: chineseNewYearDate) else { return false } | |
| return today.isGreaterThanDate(startDate) && today.isLessThanDate(endDate) | |
| } |
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