public bool IsLeadTrainerStatusUpdatedById(int newLeadTrainerId, int courseId)
{
var courseTrainers = _unitOfWork.CourseTrainers.GetCourseTrainersByCourseId(courseId);
var existingLeadCourseTrainer = new CourseTrainer();
var possibleLeadCourseTrainer = new CourseTrainer();
foreach (var item in courseTrainers)
{
if (item.IsLead)
{
existingLeadCourseTrainer = item;
}
if (item.TrainerId == newLeadTrainerId)
{
possibleLeadCourseTrainer = item;
}
}
if (existingLeadCourseTrainer.TrainerId == newLeadTrainerId)
{
return(true);
}
return(IsLeadTrainerStatusUpdated(existingLeadCourseTrainer, possibleLeadCourseTrainer));
}
public ActionResult DeleteConfirmed(int id)
{
CourseTrainer courseTrainer = db.CourseTrainers.Find(id);
db.CourseTrainers.Remove(courseTrainer);
db.SaveChanges();
return(RedirectToAction("Index"));
}
public ActionResult Edit([Bind(Include = "CourseId,TrainerId")] CourseTrainer courseTrainer)
{
if (ModelState.IsValid)
{
db.Entry(courseTrainer).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.CourseId = new SelectList(db.Courses, "Id", "Name", courseTrainer.CourseId);
ViewBag.TrainerId = new SelectList(db.Trainers, "Id", "Name", courseTrainer.TrainerId);
return(View(courseTrainer));
}
private bool IsLeadTrainerStatusUpdated(CourseTrainer existingLeadCourseTrainer, CourseTrainer newLeadCourseTrainer)
{
// delete operation
existingLeadCourseTrainer.IsLead = false;
var isRemovedLeadStatus = _unitOfWork.CourseTrainers.UpdateLeadTrainerStatus(existingLeadCourseTrainer);
// insert operation
newLeadCourseTrainer.IsLead = true;
var isUpdateLeadStatus = _unitOfWork.CourseTrainers.UpdateLeadTrainerStatus(newLeadCourseTrainer);
return(isRemovedLeadStatus && isUpdateLeadStatus);
}
public bool Equals(CourseTrainer other)
{
if (ReferenceEquals(other, null))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(CourseId.Equals(other.CourseId) && TrainerId.Equals(other.TrainerId));
}
public bool RemoveTrainerAssignment(CourseTrainer removableTrainer)
{
var courseTrainer = _dbContext.CourseTrainers
.SingleOrDefault(ct => ct.CourseId == removableTrainer.CourseId && ct.TrainerId == removableTrainer.TrainerId);
if (courseTrainer == null)
{
return(false);
}
_dbContext.CourseTrainers.Remove(courseTrainer);
return(_dbContext.SaveChanges() > 0);
}
// GET: CourseTrainers/Details/5
public ActionResult Details(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
CourseTrainer courseTrainer = db.CourseTrainers.Find(id);
if (courseTrainer == null)
{
return(HttpNotFound());
}
return(View(courseTrainer));
}
public bool UpdateLeadTrainerStatus(CourseTrainer updateable)
{
var courseTrainer = _dbContext.CourseTrainers
.SingleOrDefault(ct => ct.CourseId == updateable.CourseId && ct.TrainerId == updateable.TrainerId);
if (courseTrainer == null)
{
return(false);
}
courseTrainer.IsLead = updateable.IsLead;
_dbContext.Entry(courseTrainer).State = EntityState.Modified;
return(_dbContext.SaveChanges() > 0);
}
// GET: CourseTrainers/Edit/5
public ActionResult Edit(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
CourseTrainer courseTrainer = db.CourseTrainers.Find(id);
if (courseTrainer == null)
{
return(HttpNotFound());
}
ViewBag.CourseId = new SelectList(db.Courses, "Id", "Name", courseTrainer.CourseId);
ViewBag.TrainerId = new SelectList(db.Trainers, "Id", "Name", courseTrainer.TrainerId);
return(View(courseTrainer));
}
public bool UpdateLeadTrainerStatus(CourseTrainer updatable)
{
return(_unitOfWork.CourseTrainers.UpdateLeadTrainerStatus(updatable));
}
public bool RemoveTrainerAssignment(CourseTrainer removableTrainer)
{
return(_unitOfWork.CourseTrainers.RemoveTrainerAssignment(removableTrainer));
}
