/// <summary>
/// Queryable page
/// </summary>
/// <param name="queryable"></param>
/// <param name="currentPageNumber"></param>
/// <param name="pageSize"></param>
/// <param name="totalMemberCount"></param>
public QueryablePage(IQueryable <T> queryable, int currentPageNumber, int pageSize, int totalMemberCount) : base()
{
var skip = (currentPageNumber - 1) * pageSize;
var state = new QueryEntryState <T>(queryable, skip, pageSize);
InitializeMetaInfo()(currentPageNumber)(pageSize)(totalMemberCount)(skip)();
base._initializeAction = InitializeMemberList()(state)(CurrentPageSize)(skip);
}
internal PageMember(QueryEntryState <T> state, int offset, ref int startIndex)
{
if (offset < 0)
{
throw new ArgumentOutOfRangeException(nameof(offset), "offset can not be less than zero.");
}
_startIndex = startIndex;
_memberValue = default(T);
_offset = offset;
_state = state;
}
internal PageMember(T memberValue, int offset, ref int startIndex)
{
if (offset < 0)
{
throw new ArgumentOutOfRangeException(nameof(offset), "offset can not be less than zero.");
}
_startIndex = startIndex;
_memberValue = memberValue;
_offset = offset;
_state = null;
}
public QueryablePage(IQueryable <T> queryable, int currentPageNumber, int pageSize, int totalMembersCount) : base()
{
var skip = (currentPageNumber - 1) * pageSize;
var state = new QueryEntryState <T>(queryable, skip, pageSize);
base.TotalPageCount = (int)Math.Ceiling((double)totalMembersCount / (double)pageSize);
base.TotalMemberCount = totalMembersCount;
base.CurrentPageNumber = currentPageNumber;
base.PageSize = pageSize;
base.CurrentPageSize = currentPageNumber == TotalPageCount
? totalMembersCount % skip
: pageSize;
base.HasPrevious = currentPageNumber > 1;
base.HasNext = currentPageNumber < totalMembersCount;
base.m_initializeAction = InitializeMemberList()(state)(CurrentPageSize)(skip);
base.m_initializeAction();
}
