public async Task <QueryStatistic> Statistic(StatisticQueryRequest query, CancellationToken cancellationToken = default)
{
var innerQuery = ToInnerQuery(query);
var count = await Service.Count(innerQuery, cancellationToken).ConfigureAwait(false);
return(new QueryStatistic
{
Count = (int)count
});
}
public async IAsyncEnumerable <string> Query(StatisticQueryRequest query, [EnumeratorCancellation] CancellationToken cancellationToken = default)
{
var innerQuery = ToInnerQuery(query);
var items = await Service.Query(innerQuery, cancellationToken).ConfigureAwait(false);
foreach (var item in items.Select(x => x.Id))
{
yield return(item);
}
}
public IAsyncEnumerable <string> Search(IStatisticRepository repository, StatisticQueryRequest query, CancellationToken cancellationToken = default)
{
var qr = repository.GetAllItems(cancellationToken).IgnoreNull();
if (!string.IsNullOrWhiteSpace(query.Category))
{
qr = qr.Where(x => x.Category == query.Category);
}
if (!string.IsNullOrWhiteSpace(query.Uri))
{
qr = qr.Where(x => x.Uri == query.Uri);
}
return(qr.Select(item => item.Id).IgnoreNull().Paging(query.Pagination));
}
static Listat.Models.StatisticQuery ToInnerQuery(StatisticQueryRequest query)
{
var pagination = query.Pagination ?? new Pagination
{
PageSize = int.MaxValue,
CurrentPage = 0
};
var innerQuery = new Listat.Models.StatisticQuery
{
Category = query.Category,
Payload = query.Payload,
Uri = query.Uri,
Offset = pagination.Offset,
Limit = pagination.PageSize,
};
return(innerQuery);
}
