/// <summary>
/// 获取学生的产品级别
/// 1】学生至少有一个级别
/// 2】学生级别数量取最接近实际的
/// </summary>
/// <returns></returns>
private async Task <List <string> > GetStudentProductLevelsOfClassAsync(CrmClassCourse cc, CrmClassStudent cs, int ClassPerLevel)
{
//学生剩余课时
var studentWaitHour = (cs.Clst_ClassHour - cs.Clst_AdjustHour - cs.Clst_FinishHour) * 3;
var remainHourOfClass = await GetRemainHourOfClassAsync(cc, ClassPerLevel);
var currentPlName = await GetCurrentProductLevelOfClassAsync(cc, ClassPerLevel);
var allPlNames = await GetProductLevelsOfClassAsync(cc);
var startIndex = allPlNames.IndexOf(currentPlName);
var plCount = 0;
if (studentWaitHour <= remainHourOfClass)
{
plCount = 1;
}
else
{
plCount = Convert.ToInt32(Math.Round((decimal)(studentWaitHour - remainHourOfClass) / ClassPerLevel) + 1);
}
var plNames = allPlNames.Skip(startIndex).Take(plCount).ToList();
if (plNames.Count == 0)
{
var a = 1;
}
return(plNames);
}
/// <summary>
/// 获取班级的当前级别（逻辑正确）
/// </summary>
/// <param name="cc"></param>
/// <returns></returns>
private async Task <string> GetCurrentProductLevelOfClassAsync(CrmClassCourse cc, int ClassPerLevel)
{
var plCount = Convert.ToInt32(Math.Round((decimal)cc.Clas_ClassHour * 3 / ClassPerLevel));
var plNames = await GetProductLevelsOfClassAsync(cc, plCount);
var waitHour = cc.ClassSchedules.Count(e => e.Clsc_Status == 0 && e.Clsc_Deleted == 0);
var fullHour = waitHour * 3;
//超过总共的时间,直接从0开始
if (fullHour >= plCount * ClassPerLevel)
{
return(plNames[0]);
}
var startIndex = 0;
if (fullHour != 0 && fullHour % ClassPerLevel == 0)
{
startIndex = plCount - (fullHour / ClassPerLevel);
}
else
{
startIndex = plCount - Convert.ToInt32(Math.Ceiling((decimal)fullHour / ClassPerLevel));
}
return(plNames[startIndex]);
}
/// <summary>
/// 获取班级的所有级别
/// </summary>
/// <param name="cc"></param>
/// <returns></returns>
private async Task <List <string> > GetProductLevelsOfClassAsync(CrmClassCourse cc, int?plCount = null)
{
List <string> plNames = new List <string>();
var newProduct = await GetNewProductByOriginProductAsync(cc.Product);
var plIds = newProduct.Prod_Levels.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).ToList().Select <string, int>(e => int.Parse(e));
if (plCount == null)
{
plNames = await _productLevelRepository.Where(e => plIds.Contains(e.Prol_ID)).Select(e => e.Prol_Name).OrderBy(e => e).ToListAsync();
}
else
{
plNames = await _productLevelRepository.Where(e => plIds.Contains(e.Prol_ID)).Select(e => e.Prol_Name).OrderBy(e => e).Take((int)plCount).ToListAsync();
}
return(plNames);
}
/// <summary>
/// 获取班级剩余课时（逻辑正确）
/// </summary>
/// <param name="cc"></param>
/// <returns></returns>
private async Task <int> GetRemainHourOfClassAsync(CrmClassCourse cc, int ClassPerLevel)
{
var waitHour = cc.ClassSchedules.Count(e => e.Clsc_Status == 0 && e.Clsc_Deleted == 0);
var plCount = Convert.ToInt32(Math.Round((decimal)cc.Clas_ClassHour * 3 / ClassPerLevel));
var remainHour = 0;
var fullHour = waitHour * 3;
//当总课时超过或者是卡在等级上的时候
if ((fullHour >= plCount * ClassPerLevel) || (fullHour != 0 && fullHour % ClassPerLevel == 0))
{
remainHour = ClassPerLevel;
}
else
{
remainHour = fullHour % ClassPerLevel;
}
return(await Task.FromResult(remainHour));
}
