private static CountriesByContinentIdAndLanguageIdQuery Query()
{
var providerMock = new Mock <IQueryDispatcher>();
var query = new CountriesByContinentIdAndLanguageIdQuery(providerMock.Object);
return(query);
}
public void HandleAsync_Return_Task_Of_IEnumerable_Of_CountryItem()
{
//Arrange
var handler = Handler();
var providerMock = new Mock <IQueryDispatcher>();
var query = new CountriesByContinentIdAndLanguageIdQuery(providerMock.Object);
//Act
var result = handler.HandleAsync(query);
//Assert
Assert.IsInstanceOf <Task <IEnumerable <CountryItem> > >(result);
}
protected IQueryable <CountryItem> ProjectionToCountryItems(IQueryable <Country> source, CountriesByContinentIdAndLanguageIdQuery query)
{
var regions = source.Select(p => p.Region);
var countriesOfContinent =
regions.SelectMany(p => p.ToChildRegions).Where(p => p.ToId == query.ContinentId).Select(p => p.Id);
var localizedRegions =
regions.Where(p => countriesOfContinent.Contains(p.Id)).SelectMany(p => p.LocalizedRegions).Where(p => p.LanguageId == query.LanguageId);
return(ProjectTo <CountryItem>(localizedRegions));
}
public override async Task <IEnumerable <CountryItem> > HandleAsync(CountriesByContinentIdAndLanguageIdQuery query, CancellationToken cancellationToken)
{
return(await ProjectionToCountryItems(Source, query).ToArrayAsync(cancellationToken));
}