public void PopulateAssignedCategoryData(DanceContext context, DanceEvent danceevent)
{
var allCategories = context.Categories;
var danceeventCategories = new HashSet <int>(
danceevent.DanceEventCategories.Select(c => c.CategoryID));
AssignedCategoryDataList = new List <AssignedCategoryData>();
foreach (var category in allCategories)
{
AssignedCategoryDataList.Add(new AssignedCategoryData
{
CategoryID = category.CategoryID,
DanceEventType = category.DanceEventType,
Assigned = danceeventCategories.Contains(category.CategoryID)
});
}
}
public void UpdateDanceEventCategories(DanceContext context,
string[] selectedCategories, DanceEvent danceeventToUpdate)
{
if (selectedCategories == null)
{
danceeventToUpdate.DanceEventCategories = new List <DanceEventCategory>();
return;
}
var selectedCategoryHS = new HashSet <string>(selectedCategories);
var danceeventCategory = new HashSet <int>
(danceeventToUpdate.DanceEventCategories.Select(c => c.Category.CategoryID));
foreach (var category in context.Categories)
{
if (selectedCategoryHS.Contains(category.CategoryID.ToString()))
{
if (!danceeventCategory.Contains(category.CategoryID))
{
danceeventToUpdate.DanceEventCategories.Add(
new DanceEventCategory
{
DanceEventID = danceeventToUpdate.ID,
CategoryID = category.CategoryID
});
}
}
else
{
if (danceeventCategory.Contains(category.CategoryID))
{
DanceEventCategory categoryToRemove
= danceeventToUpdate
.DanceEventCategories
.SingleOrDefault(i => i.CategoryID == category.CategoryID);
context.Remove(categoryToRemove);
}
}
}
}
public AppointmentsController(DanceContext context)
{
_context = context;
}