public override async Task <QueryStatistic> Statistic(TQuery query, CancellationToken cancellationToken = default)
{
query.Pagination = null;
if (await EfficientStatistic(query, cancellationToken) is QueryStatistic res)
{
return(res);
}
var result = new QueryStatistic
{
Count = await Query(query, cancellationToken).CountAsync(cancellationToken).ConfigureAwait(false)
};
return(result);
}
protected virtual async Task BuildDataIdList(IList <TId> dataIds, string rootPath)
{
{
var stats = new QueryStatistic
{
Count = dataIds.Count
};
await using var st = FSStaticBuilder.GetFileRewriteStream(Paths.GetStatisticFile(rootPath));
await JsonSerializer.SerializeAsync(st, stats).ConfigureAwait(false);
}
{
await using var st = FSStaticBuilder.GetFileRewriteStream(Paths.GetIdListFile(rootPath));
await JsonSerializer.SerializeAsync(st, dataIds).ConfigureAwait(false);
}
}
public static PagingData <T> AsPagingData <T>(this IEnumerable <T> data, QueryRequest query, QueryStatistic statistic)
{
Pagination pagination = new Pagination
{
TotalCount = statistic.Count
};
if (query.Pagination is not null)
{
pagination.CurrentPage = query.Pagination.CurrentPage;
pagination.PageSize = query.Pagination.PageSize;
}
else
{
pagination.CurrentPage = 0;
pagination.PageSize = pagination.TotalCount;
}
return(new PagingData <T>(data, pagination));
}
public static async Task <PagingData <T> > AsPagingData <T>(this IAsyncEnumerable <T> data, QueryRequest query, QueryStatistic statistic)
{
return((await data.ToArrayAsync().ConfigureAwait(false)).AsPagingData(query, statistic));
}
public virtual Task <QueryStatistic> Statistic(TQuery query, CancellationToken cancellationToken = default) => Task.FromResult(QueryStatistic.Empty());
