public PaginationObjectResult(ICollection value, IPaginationParams paginationParams, int?totalItems = null)
{
PaginationParams = paginationParams;
TotalItems = totalItems;
ItemCount = value?.Count ?? 0;
_result = value;
}
public PaginationInfo(IPaginationParams paginationParams, Uri baseUri, int itemCount, int?totalItems)
{
PaginationParams = paginationParams;
BaseUri = baseUri;
ItemCount = itemCount;
TotalItems = totalItems;
}
public Pagination(IPaginationParams paginationParams, int count, T[] data)
{
PageIndex = paginationParams.PageIndex;
PageSize = paginationParams.PageSize;
Count = count;
Data = data;
}
protected void ApplyPaging(IPaginationParams paginationParams)
{
if (paginationParams == null)
{
ApplyPaging(0, 0);
IsPagingEnabled = false;
return;
}
ApplyPaging(paginationParams.PageSize * (paginationParams.PageIndex - 1), paginationParams.PageSize);
}
public static string ToSql(this IPaginationParams @params)
{
return($"OFFSET {@params.Offset} ROWS FETCH NEXT {(int)@params.PerPage} ROWS ONLY; ");
}
private static bool IsEndOfList(IPaginationParams paginationParams, int itemCount, int?totalItems) => HasFullList(itemCount, totalItems) || (totalItems.HasValue && paginationParams.GetOffset() + paginationParams.GetPageSize() >= totalItems);
private bool IsPaginationValid(IPaginationParams limitOffsetPaginationParams) => limitOffsetPaginationParams.GetOffset() >= 0 && limitOffsetPaginationParams.GetPageSize() <= MaxLimit && limitOffsetPaginationParams.GetPageSize() > 0;
public async Task <Pagination <T> > GetEntitiesPagedAsync <T>(ISpecification <TEntity> spec, IPaginationParams paginationParams, System.Func <TEntity[], T[]> convertResults)
where T : class // Type of result
{
var results = convertResults(await GetEntitiesAsync(spec));
var count = await CountAsync(spec);
var pagination = new Pagination <T>(paginationParams, count, results);
return(pagination);
}
public async Task <Pagination <TEntity> > GetEntitiesPagedAsync(ISpecification <TEntity> spec, IPaginationParams paginationParams)
{
return(await GetEntitiesPagedAsync <TEntity>(spec, paginationParams, x => x));
}