public static async Task <OffsetPaged <T> > ToPagedAsync <T>(this IQueryable <T> source, int page, int pageSize, CancellationToken cancellationToken = default)
{
var totalCount = await source.CountAsync(cancellationToken);
var totalPages = (int)Math.Ceiling((double)totalCount / pageSize);
var result = await source
.Skip((page - 1) *pageSize)
.Take(pageSize)
.ToListAsync(cancellationToken);
var paged = new OffsetPaged <T>
{
PaginationResult = result,
Metadata = new Metadata
{
CurrentPage = page,
PreviousPage = page - 1 <= 0 ? (int?)null : page - 1,
NextPage = page + 1 > totalPages ? (int?)null : page + 1,
PageSize = pageSize,
TotalCount = totalCount,
TotalPages = totalPages
}
};
return(paged);
}
public static OffsetPaged <T> ToPaged <T>(this IQueryable <T> source, int page, int pageSize)
{
var totalCount = source.Count();
var totalPages = (int)Math.Ceiling((double)totalCount / pageSize);
var result = source
.Skip((page - 1) * pageSize)
.Take(pageSize)
.ToList();
var paged = new OffsetPaged <T>
{
PaginationResult = result,
Metadata = new Metadata
{
CurrentPage = page,
PreviousPage = page - 1 <= 0 ? (int?)null : page - 1,
NextPage = page + 1 > totalPages ? (int?)null : page + 1,
PageSize = pageSize,
TotalCount = totalCount,
TotalPages = totalPages
}
};
return(paged);
}