public async ValueTask <bool> DeleteClassFromCourseAsync(long courseId, long classId)
{
try
{
var rel = new RelCourseClass {
ClassId = classId, CourseId = courseId
};
Db.RelCourseClasses.Attach(rel);
Db.RelCourseClasses.Remove(rel);
await Db.SaveChangesAsync();
return(true);
}
catch (Exception e)
{
Logger.LogError(e.Message);
return(false);
}
}
public async ValueTask <bool> InsertClassToCourseAsync(long courseId, ElementSummary des)
{
try
{
var ir = new RelCourseClass
{
CourseId = courseId,
ClassId = des.Id
};
await Db.RelCourseClasses.AddAsync(ir);
await Db.SaveChangesAsync();
return(true);
}
catch (Exception e)
{
Logger.LogError(e.Message);
return(false);
}
}
