private bool CheckInputLearnRequest(EDCLearnRequestBindingModel model)
{
if (model == null)
{
return(false);
}
var times = model.LearnRequests;
if (times == null || times.Count == 0)
{
return(false);
}
foreach (var t in times)
{
if (t == null)
{
return(false);
}
var date = t.Date;
var timesTemp = t.Times;
if (date == null || timesTemp == null)
{
return(false);
}
if (date.Length == 0 || timesTemp.Count == 0)
{
return(false);
}
foreach (var k in timesTemp)
{
if (k == null || k.Length == 0)
{
return(false);
}
}
}
return(true);
}
public async Task <IHttpActionResult> PostLearnRequest(string name, EDCLearnRequestBindingModel model)
{
if (!CheckInputLearnRequest(model))
{
var msg = "There is something wrong with the input.";
var modelError = EDCExceptionFactory.GenerateHttpError(msg, EDCWebServiceErrorType.Error, true);
var response = Request.CreateErrorResponse(HttpStatusCode.BadRequest, modelError);
throw new HttpResponseException(response);
}
// var name = User.Identity.Name;
var student = await db.Students.Where(p => p.StudentName == name).SingleOrDefaultAsync();
var learnRequestObjs = new List <EDCLearnRequest>();
foreach (var l in model.LearnRequests)
{
var date = l.Date;
string shortDate;
TimeConversionUtils.GetDate(date, out shortDate);
var dateFromDb = db.LearnRequests.Where(p => p.Date == shortDate).Include(p => p.RegisteredStudents);
if (dateFromDb.Count() > 0)
{
foreach (var t in l.Times)
{
string[] times = TimeConversionUtils.GetStartAndEndTime(t);
bool needBuildNew = true;
EDCLearnRequest existed = null;
foreach (var temp in dateFromDb)
{
if (times[0] == temp.StartTime && times[1] == temp.EndTime)
{
existed = temp;
needBuildNew = false;
break;
}
}
if (needBuildNew)
{
var obj = await GenerateLearnRequest(date, times[0], times[1], name);
if (obj != null)
{
learnRequestObjs.Add(obj);
}
}
else
{
if (existed != null)
{
existed.RegisteredStudents.Add(student);
}
}
}
}
else
{
foreach (var t in l.Times)
{
string[] timesTemp = TimeConversionUtils.GetStartAndEndTime(t);
var obj = await GenerateLearnRequest(date, timesTemp[0], timesTemp[1], name);
if (obj != null)
{
learnRequestObjs.Add(obj);
}
}
}
}
if (learnRequestObjs.Count > 0)
{
string teacherName = "*****@*****.**";
var tasks = new List <Task>();
foreach (var l in learnRequestObjs)
{
db.AssignTeacherToLearnRequest(l, teacherName);
}
foreach (var l in learnRequestObjs)
{
db.LearnRequests.Add(l);
}
}
try
{
await db.SaveChangesToDbAsync();
}
catch (Exception)
{
var msg = "There are some internal errors happened.";
var modelError = EDCExceptionFactory.GenerateHttpError(msg, EDCWebServiceErrorType.Error, true);
var response = Request.CreateErrorResponse(HttpStatusCode.InternalServerError, modelError);
throw new HttpResponseException(response);
}
return(Ok());
}
