public async Task <int> DeleteStudentEvaluationAsync(StudentEvaluationModel model)
{
var evaluation = new StudentEvaluation {
StudentId = model.StudentId, TeacherId = model.TeacherId
};
using (var dataService = DataServiceFactory.CreateDataService())
{
return(await dataService.DeleteStudentEvaluationAsync(evaluation));
}
}
public static void UpdateStudentEvaluation(StudentEvaluationModel model, int userId)
{
Debug.Assert(model.ScheduledDate != null, "model.ScheduledDate != null");
using (var context = DataContext.GetContext())
{
var existing = context.StudentEvaluations.Single(a => a.StudentEvaluationId == model.StudentEvaluationId);
existing.DateCompleted = model.DateCompleted;
existing.LastModifiedBy = userId;
existing.LastModifiedOn = DateTime.Now;
existing.ScheduledDate = model.ScheduledDate.Value;
context.SaveChanges();
}
}
public async Task <int> AddOrUpdateStudentEvaluationAsync(StudentEvaluationModel model)
{
using (var dataService = DataServiceFactory.CreateDataService())
{
StudentEvaluation evaluation = new StudentEvaluation();
UpdateEvaluationFromModel(evaluation, model);
var result = await dataService.AddOrUpdateStudentEvaluationAsync(evaluation);
var newEvaluation = await GetStudentEvaluationAsync(evaluation.TeacherId, evaluation.StudentId);
newEvaluation.IsNew = false;
model.Merge(newEvaluation);
return(result);
}
}
public static Entities.StudentEvaluation CreateStudentEvaluation(StudentEvaluationModel model, int userId)
{
Debug.Assert(model.ScheduledDate != null, "model.ScheduledDate != null");
var result = new Entities.StudentEvaluation
{
CreatedBy = userId,
CreatedOn = DateTime.Now,
LastModifiedBy = userId,
LastModifiedOn = DateTime.Now,
ScheduledDate = model.ScheduledDate.Value,
DateCompleted = model.DateCompleted,
StudentId = model.StudentId
};
using (var context = DataContext.GetContext())
{
context.StudentEvaluations.AddObject(result);
context.SaveChanges();
}
return(result);
}
private static void UpdateEvaluationFromModel(StudentEvaluation target, StudentEvaluationModel source)
{
target.StudentId = source.StudentId;
target.TeacherId = source.TeacherId;
target.Content = source.Content;
}
