/// <summary>
/// 取得目前要使用的樣板
/// </summary>
/// <param name="beforeDay">前幾天(節慶)</param>
/// <returns>目前要使用的樣板</returns>
public TemplateVO GetCurrentTemplate(int beforeDay)
{
//先抓節日的 (要存農曆日還是西元要再確認，存西元必須每年度去調整)
IList<TemplateVO> festivalTemplates = GetTemplateList(TemplateVO.Type.Festival);
if (festivalTemplates != null && festivalTemplates.Count > 0)
{
foreach (TemplateVO templateVO in festivalTemplates)
{
if (templateVO.Name.Equals("聖誕節") || templateVO.Name.Equals("西洋情人節"))
{
//此兩個節日用西元算
DateTime today = DateTime.Today;
int year = DateTime.Today.Year;
int month = int.Parse(templateVO.StartDate.Substring(0, 2));
int day = int.Parse(templateVO.StartDate.Substring(2, 2));
DateTime endDate = new DateTime(DateTime.Today.Year, month, day);
DateTime startDate = endDate.AddDays(((-1) * beforeDay));
if (today >= startDate && today <= endDate)
{
return templateVO;
}
}
else
{
//此其他的節日用農曆算
//先從農曆轉成西元
TaiwanLunisolarCalendar tlc = new TaiwanLunisolarCalendar();
DateTime today = DateTime.Today;
int year = tlc.GetYear(today);
int month = int.Parse(templateVO.StartDate.Substring(0, 2));
int day = int.Parse(templateVO.StartDate.Substring(2, 2));
int era = tlc.GetEra(today);
//判斷今年是否為閏年，閏年的話抓出正確的日期
if (tlc.IsLeapYear(year, era))
{
//閏月月份
int leapMonth = tlc.GetLeapMonth(year, era);
//閏月天數
//int monthDays = tlc.GetDaysInMonth(year, leapMonth, era);
//閏月有13個月，例如leapMonth=5，代表閏四月，則農曆5月開始要多加1個月
if (month >= leapMonth)
{
month += 1;
}
}
DateTime endDate = tlc.ToDateTime(year, month, day, 0, 0, 0, 0, era);
DateTime startDate = endDate.AddDays(((-1) * beforeDay));
if (today >= startDate && today <= endDate)
{
return templateVO;
}
}
}
}
//季節
IList<TemplateVO> seasonTemplates = GetTemplateList(TemplateVO.Type.Season);
if (seasonTemplates != null && seasonTemplates.Count > 0)
{
DateTime date = DateTime.Today.AddDays(beforeDay);
string showDate = string.Format("{0}{1}", date.Month.ToString().PadLeft(2, '0'), date.Day.ToString().PadLeft(2, '0'));
int count = 0;
foreach (TemplateVO templateVO in seasonTemplates)
{
count += 1;
if (count < seasonTemplates.Count)
{
if (int.Parse(showDate) >= int.Parse(templateVO.StartDate) && int.Parse(showDate) <= int.Parse(templateVO.EndDate))
{
return templateVO;
}
}
else
{
//最後一季的算法不一樣，可能有跨年(起始日期>結束時 則表示有跨年)
if (int.Parse(templateVO.StartDate) > int.Parse(templateVO.EndDate))
{
if (int.Parse(showDate) >= int.Parse(templateVO.StartDate) && int.Parse(showDate) <= int.Parse("1231"))
{
return templateVO;
}
if (int.Parse(showDate) >= int.Parse("0101") && int.Parse(showDate) <= int.Parse(templateVO.EndDate))
{
return templateVO;
}
}
else
{
if (int.Parse(showDate) >= int.Parse(templateVO.StartDate) && int.Parse(showDate) <= int.Parse(templateVO.EndDate))
{
return templateVO;
}
}
}
}
}
//都沒有的話回傳季節的第一個樣板
return seasonTemplates[0];
}
/// <summary>
/// 排序樣板 By 日期順序，先來的要先排序在前面被檢測
/// </summary>
/// <param name="festivalTemplates"></param>
/// <param name="beforeDay">前幾天(節慶)</param>
/// <returns></returns>
private IList<TemplateVO> SortTemplateByDate(IList<TemplateVO> festivalTemplates, int beforeDay)
{
IList<TemplateVO> result = new List<TemplateVO>();
if (festivalTemplates != null && festivalTemplates.Count > 0)
{
foreach (TemplateVO templateVO in festivalTemplates)
{
if (templateVO.Name.Equals("聖誕節") || templateVO.Name.Equals("西洋情人節"))
{
//此兩個節日用西元算
DateTime today = DateTime.Today;
int year = DateTime.Today.Year;
int month = int.Parse(templateVO.StartDate.Substring(0, 2));
int day = int.Parse(templateVO.StartDate.Substring(2, 2));
DateTime endDate = new DateTime(DateTime.Today.Year, month, day);
DateTime startDate = endDate.AddDays(((-1) * beforeDay));
templateVO.BeginDate = startDate;
templateVO.LastDate = endDate;
}
else
{
//此其他的節日用農曆算
//先從農曆轉成西元
TaiwanLunisolarCalendar tlc = new TaiwanLunisolarCalendar();
DateTime today = DateTime.Today;
int year = tlc.GetYear(today);
int month = int.Parse(templateVO.StartDate.Substring(0, 2));
int day = int.Parse(templateVO.StartDate.Substring(2, 2));
int era = tlc.GetEra(today);
//春節的話因為還沒到這個年，所以要加1個月
if (templateVO.Name.Equals("春節"))
{
year = tlc.GetYear(DateTime.Today.AddMonths(1));
era = tlc.GetEra(DateTime.Today.AddMonths(1));
}
//判斷今年是否為閏年，閏年的話抓出正確的日期
if (tlc.IsLeapYear(year, era))
{
//閏月月份
int leapMonth = tlc.GetLeapMonth(year, era);
//閏月天數
//int monthDays = tlc.GetDaysInMonth(year, leapMonth, era);
//閏月有13個月，例如leapMonth=5，代表閏四月，則農曆5月開始要多加1個月
if (month >= leapMonth)
{
month += 1;
}
}
DateTime endDate = tlc.ToDateTime(year, month, day, 0, 0, 0, 0, era);
DateTime startDate = endDate.AddDays(((-1) * beforeDay));
templateVO.BeginDate = startDate;
templateVO.LastDate = endDate;
}
}
result = festivalTemplates.OrderBy(p => p.BeginDate).ToList();
}
return result;
}