public ActionResult Add(Activities activities)
{
try
{
var activity = new Activities()
{
ParentActivityID = activities.ParentActivityID,
ActivityDescription = activities.ActivityDescription,
StartDateTime = activities.StartDateTime,
EndDateTime = activities.EndDateTime
};
using (var activitiesDb = new ActivitiesDbCtxt())
{
var parentActivity = activitiesDb.Activities.Find(activity.ParentActivityID);
if (parentActivity == null && activities.ActivityID != 0)
{
return(RedirectToAction("Index"));
}
activitiesDb.Activities.Add(activity);
activitiesDb.SaveChanges();
}
return(RedirectToAction("Index"));
}
catch (Exception ex)
{
ModelState.AddModelError("ParentActivityId", ex.Message);
return(View("Add", activities));
}
}
private List <Activities> GetSortedList(int startSortingAt, List <Activities> activitiesList, SortType sortType)
{
var baseList = activitiesList;
if (startSortingAt == 0)
{
if (sortType == SortType.Ascending)
{
baseList = baseList.OrderBy(x => x.ActivityDescription).ToList();
}
if (sortType == SortType.Descending)
{
baseList = baseList.OrderByDescending(x => x.ActivityDescription).ToList();
}
foreach (var child in baseList)
{
SortList(sortType, child);
}
}
else
{
var lookingFor = baseList.Select(item => Activities.Find(item, startSortingAt)).FirstOrDefault(activity => activity != null);
SortList(sortType, lookingFor);
}
return(baseList);
}
private SelectList GetCategories(int currentId, out int parentActivityId)
{
var dbCtxt = new ActivitiesDbCtxt();
var activitiesList = CreateStructure(0, dbCtxt.Activities.ToList());
var lookingFor = activitiesList.Select(item => Activities.Find(item, currentId)).FirstOrDefault(activity => activity != null);
var parent = activitiesList.Select(item => Activities.Find(item, lookingFor.ParentActivityID)).FirstOrDefault(activity => activity != null);
if (parent != null)
{
parent.ChildActivities.Remove(lookingFor);
}
else
{
activitiesList.Remove(lookingFor);
}
var childList = GetAllChilds(activitiesList);
var categories = childList.Select(x => new SelectListItem
{
Value = x.ActivityID.ToString(),
Text = x.DisplayAsCategory
});
var list = categories.ToList();
SelectListItem selected;
if (parent != null)
{
selected = (from category in list
where category.Value == parent.ActivityID.ToString()
select category).First();
}
else
{
selected = null;
}
if (selected != null)
{
selected.Selected = true;
list.Insert(0, new SelectListItem {
Value = "0", Text = "No parent category"
});
parentActivityId = int.Parse(selected.Value);
}
else
{
list.Insert(0, new SelectListItem {
Value = "0", Text = "No parent category", Selected = true
});
parentActivityId = 0;
}
return(new SelectList(list, "Value", "Text"));
}
private void SortList(SortType sortType, Activities firstActivity)
{
if (firstActivity.ChildActivities.Count == 0)
{
return;
}
if (sortType == SortType.Ascending)
{
firstActivity.ChildActivities = firstActivity.ChildActivities.OrderBy(x => x.ActivityDescription).ToList();
}
else
{
firstActivity.ChildActivities =
firstActivity.ChildActivities.OrderByDescending(x => x.ActivityDescription).ToList();
}
foreach (var activity in firstActivity.ChildActivities)
{
SortList(sortType, activity);
}
}
