public SelectVideoViewModel()
{
var grouping = PropertySelector <VideoInfoViewModel> .Start(z => z.Source.GroupIndex).ToString();
Debug.Assert(grouping == "Source.GroupIndex");
this.Items.View.GroupDescriptions?.Add(new PropertyGroupDescription(grouping));
this.Items.View.CustomSort = Comparer <VideoInfoViewModel> .Create((x, y) =>
x.Source.GroupIndex.CompareTo(y.Source.GroupIndex));
}
protected override IEnumerable <FilterDefinition <VideoRoleCollection> > BuildFilters(VideoRoleCollection.QueryParameter parameter)
{
if (parameter.ActorId != null)
{
yield return(Builders <VideoRoleCollection> .Filter.Or(
Builders <VideoRoleCollection> .Filter.Eq(PropertySelector <VideoRoleCollection> .Start(z => z)
.SelectMany(z => z.MajorRoles).Select(z => z.Id).ToString(), parameter.ActorId),
Builders <VideoRoleCollection> .Filter.Eq(PropertySelector <VideoRoleCollection> .Start(z => z)
.SelectMany(z => z.MinorRoles).Select(z => z.Id).ToString(), parameter.ActorId)));
}
}
public void Initialize()
{
var index = new IndexKeysDefinitionBuilder <Thing>().Ascending(
PropertySelector <Thing> .Start(z => z)
.SelectMany(z => z.Words)
.Select(z => z.Text)
.ToString());
this.Collection.Indexes.CreateOne(index, new CreateIndexOptions
{
Version = 1,
Background = true
});
}
public async Task LoadAsync()
{
var value = this.searchText;
if (string.IsNullOrWhiteSpace(value))
{
this.Searched = false;
this.Things.Clear();
this.Words.Collection.Clear();
}
else
{
this.Searched = true;
var builder = new FilterDefinitionBuilder <Thing>();
FilterDefinition <Thing> filter;
switch (this.SearchModes.Selected.Value.Value)
{
case SearchMode.Normal:
filter = builder.Regex(
PropertySelector <Thing> .Start().SelectMany(z => z.Words).Select(z => z.Text).ToString(),
new Regex(Regex.Escape(value), RegexOptions.IgnoreCase));
break;
case SearchMode.WholeWord:
filter = builder.Eq(PropertySelector <Thing> .Start().SelectMany(z => z.Words).Select(z => z.Text).ToString(), value);
break;
default:
throw new ArgumentOutOfRangeException();
}
string category = null;
if (this.ExistsCategorys.Selected != string.Empty)
{
category = this.ExistsCategorys.Selected;
filter = filter & builder.AnyEq(z => z.Categorys, this.ExistsCategorys.Selected);
}
filter = builder.Eq(z => z.Id, value) | filter;
var queryResult = await App.Current.ThingSetAccessor.FindAsync(filter, 20);
this.HasNext = queryResult.HasNext;
var sortedItems = await queryResult.Items
.OrderBy(z => z.Words.Any(x => x.Text == value)? -1 : 1)
.ThenBy(z => z.Words.Any(x => x.Text.Equals(value, StringComparison.OrdinalIgnoreCase)) ? -1 : 1)
.ToArrayAsync();
this.Things.Reset(sortedItems.Select(z => new ThingViewModel(z, category)));
this.Words.Collection.Reset(this.Things.SelectMany(z => z.Words));
}
this.RefreshProperties();
}