public static async Task <PagedResult <T> > PaginateAsync <T>(this IMongoQueryable <T> collection,
int page = 1, int resultsPerPage = 10)
{
if (page <= 0)
{
page = 1;
}
if (resultsPerPage <= 0)
{
resultsPerPage = 10;
}
var isEmpty = await collection.AnyAsync() == false;
if (isEmpty)
{
return(PagedResult <T> .Empty);
}
var totalResults = await collection.CountAsync();
var totalPages = (int)Math.Ceiling((decimal)totalResults / resultsPerPage);
var data = await collection.Limit(page, resultsPerPage).ToListAsync();
return(PagedResult <T> .Create(data, page, resultsPerPage, totalPages, totalResults));
}
public async Task <bool> AnyAsync(Expression <Func <T, bool> > predicate)
{
return(await collectionQueryable.AnyAsync(predicate));
}
public Task <bool> AnyAsync()
{
return(_queryable.AnyAsync());
}
public override async Task <bool> AnyAsync()
{
return(await queryable.AnyAsync());
}
