/// <summary>
/// Prepares the paging parameters.
/// </summary>
/// <param name="parameters">The parameters.</param>
/// <returns></returns>
protected virtual PagingParameters PreparePagingParameters(PagingSortingBaseModel parameters)
{
return(new PagingParameters
{
CurrentPage = parameters.CurrentPage > 1 ? parameters.CurrentPage : GetDefaultCurrentPage(),
ItemsPerPage = parameters.PageSize > 0 ? parameters.PageSize : GetDefaultItemsPerPage()
});
}
/// <summary>
/// Prepares the sort parameters.
/// </summary>
/// <param name="parameters">The parameters.</param>
/// <param name="allowedSortBy">Fields that are allowed for sorting in overview.</param>
/// <returns></returns>
protected virtual SortingParameters PrepareSortParameters(PagingSortingBaseModel parameters, ICollection <string> allowedSortBy)
{
var isValidParameter = parameters.SortBy != null && allowedSortBy.Contains(parameters.SortBy.ToLower());
if (isValidParameter)
{
return(new SortingParameters
{
SortField = parameters.SortBy,
SortReverse = parameters.Order == DescendingSortOrder
});
}
var defaultSortingParameters = GetDefaultSortingParameters();
if (defaultSortingParameters != null)
{
return(defaultSortingParameters);
}
return(SortingParameters.CreateNoSortingNeededParams());
}