protected override QueryableSortOperation HandleOperation(
QueryableSortContext context,
QueryableFieldSelector fieldSelector,
ISortField field,
ISortEnumValue?sortEnumValue)
{
return(DescendingSortOperation.From(fieldSelector));
}
public QueryableSortContext(
ISortInputType initialType,
bool inMemory)
: base(initialType)
{
InMemory = inMemory;
RuntimeTypes = new Stack <IExtendedType>();
RuntimeTypes.Push(initialType.EntityType);
Instance.Push(QueryableFieldSelector.New(initialType.EntityType.Source));
}
public async Task <RestItemData> GetDataAsync(IEnumerable <string> fieldNames)
{
var fieldAuth = new FieldAuthChecker <TItem>(_context.Fields, _context.AuthorizationChecker, _item);
IEnumerable <string> fields = fieldAuth.GetOrEnsureFields(fieldNames, 0);
var selector = new QueryableFieldSelector <TItem>(_context.Fields, fields);
var loadedObjects = await selector.SelectFieldsOnlyAsync(_item.Query, _context.Repository.ForEachAsync);
RestItemData loadedObject = ItemQueryHelper.SingleOrThrow(loadedObjects);
return(loadedObject);
}
public async Task SingleItem_SelectFields_CorrectName()
{
var artist = _fixture.Create <Artist>();
var selector = new QueryableFieldSelector <Artist>(new Dictionary <string, IFieldReader <Artist> >
{
{ "name", new PropertyInfoFieldReader <Artist>(NameProperty) }
});
var selectedItemData = await selector.SelectFieldsOnlyAsync(artist);
Assert.Equal(artist.Name, selectedItemData["name"]);
}
public async Task Replacers_SelectFields_CorrectName()
{
var artists = _fixture.CreateMany <Artist>().ToList();
var selector = new QueryableFieldSelector <Artist>(new Dictionary <string, IFieldReader <Artist> >
{
{ "name", new ReplacerFieldReader(new PropertyInfoFieldReader <Artist>(NameProperty)) }
});
var selectedItemData = await selector.SelectFieldsOnlyAsync(artists.AsQueryable(), ItemQueryHelper.DefaultForEachAsync);
var firstSelection = selectedItemData.First();
Assert.Equal("replaced", firstSelection["name"]);
}
public async Task <RestCollectionData> QueryDataAsync(IRestCollectionQuery query)
{
await _context.Repository.InitializeAsync();
var fieldAuth = new FieldAuthChecker <TItem>(_context.Fields, _context.AuthorizationChecker, null);
IEnumerable <string> fields = fieldAuth.GetOrEnsureFields(query?.SelectFields, 1);
var selector = new QueryableFieldSelector <TItem>(_context.Fields.GetReaders(fields));
var queryBuilder = new ContextQueryBuilder <TItem>(_context, query);
IQueryable <TItem> items = queryBuilder.BuildQueryable();
QueriedDataIterator queriedData = await selector.SelectFieldsOnlyAsync(items, _context.Repository.ForEachAsync);
PageDetails pageDetails = queryBuilder.GetPageDetails(queriedData);
return(new RestCollectionData(queriedData, pageDetails));
}
public async Task <RestDictionaryData> QueryDataAsync(IRestCollectionQuery query)
{
await _context.Repository.InitializeAsync();
var queryBuilder = new ContextQueryBuilder <TItem>(_context, query);
IQueryable <TItem> items = queryBuilder.BuildQueryable();
var fieldAuth = new FieldAuthChecker <TItem>(_context.Fields, _context.AuthorizationChecker, null);
IEnumerable <string> fields = fieldAuth.GetOrEnsureFields(query?.SelectFields, 1);
var readers = _context.Fields.GetReaders(fields);
readers.Add(IDENTIFIER_FIELD_NAME, new IdentifierFieldReader <TItem>(_namedReferenceInfo));
var selector = new QueryableFieldSelector <TItem>(readers);
QueriedDataIterator queriedData = await selector.SelectFieldsOnlyAsync(items, _context.Repository.ForEachAsync);
PageDetails pageDetails = queryBuilder.GetPageDetails(queriedData);
var dictionaryData = GetKeys(queriedData).ToDictionary(k => k.Key, v => (object)v.Value);
return(new RestDictionaryData(dictionaryData, pageDetails));
}
public static DescendingSortOperation From(QueryableFieldSelector selector) => new DescendingSortOperation(selector);
protected DescendingSortOperation(QueryableFieldSelector fieldSelector)
: base(fieldSelector)
{
}
protected abstract QueryableSortOperation HandleOperation(
QueryableSortContext context,
QueryableFieldSelector fieldSelector,
ISortField field,
ISortEnumValue?sortEnumValue);
protected QueryableSortOperation(QueryableFieldSelector fieldSelector)
{
Selector = fieldSelector.Selector;
ParameterExpression = fieldSelector.ParameterExpression;
}
