private bool ApplyEdits(EditViewModel viewModel, GMailLabelCleanup.Data.Models.Filters.Filter filter)
{
System.Diagnostics.Debug.Assert(viewModel != null);
System.Diagnostics.Debug.Assert(filter != null);
bool hasChanges = false;
//Apply high level properties
if (!string.Equals(filter.Description, viewModel.Description))
{
filter.Description = viewModel.Description;
hasChanges = true;
}
foreach (var item in viewModel.ActionProperties.Concat(viewModel.CriteriaProperties).Where(o => o.IsCheckType))
{
item.Value = item.IsChecked ? "true" : "false";
}
/*
* New properties:
* ViewModel properties that are included and whose
* name does not appear in the Filter.FilterProperties.
*
* Updated properies:
* ViewModel properties whose
* name appears in the Filter.FilterProperties.
*/
var existingPropertyNames = filter.FilterProperties
.Select(o => o.Name)
.ToHashSet();
var allProperties = viewModel.CriteriaProperties
.Concat(viewModel.ActionProperties)
.ToArray();
var newProperties = allProperties
.Where(o => !existingPropertyNames.Contains(o.Name));
var updatedProperties = allProperties
.Where(o => existingPropertyNames.Contains(o.Name));
var dateCreated = DateTime.UtcNow;
foreach (var item in updatedProperties)
{
var matches = filter.FilterProperties
.Where(o => string.Equals(o.Name, item.Name) && (!string.Equals(o.Value, item.Value) || o.IsIncluded != item.IsIncluded))
.ToArray();
foreach (var match in matches)
{
match.IsIncluded = item.IsIncluded;
match.Value = item.Value;
hasChanges = true;
}
}
foreach (var item in newProperties)
{
filter.FilterProperties.Add(new FilterProperty
{
IsIncluded = item.IsIncluded,
Name = item.Name,
Value = item.Value,
DateCreatedUtc = dateCreated
});
hasChanges = true;
}
return hasChanges;
}
private void InitializeEditViewModel(EditViewModel viewModel, GMailLabelCleanup.Data.Models.Filters.Filter filter)
{
System.Diagnostics.Debug.Assert(viewModel != null);
viewModel.Id = filter != null ? filter.FilterId : 0;
viewModel.Description = filter != null ? filter.Description : string.Empty;
InitializeEditSelectLists(viewModel);
InitializeEditProperties(viewModel, filter != null ? filter.FilterProperties : new FilterProperty[] { });
}