public static BasePaginationParams ConvertToBasePagination(this BasePaginationParams _params, HttpContext context)
{
_params.Pagenumber = int.Parse(context.Request.Headers["PageNumber"]);
_params.Pagesize = int.Parse(context.Request.Headers["PageSize"]);
_params.MinDateTime = DateTime.Parse(context.Request.Headers["minDateTime"]);
_params.MaxDateTime = DateTime.Parse(context.Request.Headers["maxDateTime"]);
return(_params);
}
private void FillPagination(BasePaginationParams parameters, int totalCount)
{
this.Pagination.CurrentPage = parameters.page;
this.Pagination.PageSize = parameters.size;
this.Pagination.TotalCount = totalCount;
this.Pagination.TotalPages = (int)Math.Ceiling(totalCount / (double)parameters.size);
if (this.Pagination.CurrentPage > this.Pagination.TotalPages)
{
throw new ArgumentException("The current page cannot be greater than total pages size");
}
}
public PagedResponse <T> ToPagedResponse <TIn>(IQueryable <TIn> data, BasePaginationParams pagination, Func <object, IEnumerable <T> > convert) where TIn : class
{
if (convert == null)
{
throw new ArgumentException("Convert function cannot be null");
}
FillPagination(pagination, data.Count());
IEnumerable <TIn> pagedResponse = data.Skip((pagination.page - 1) * pagination.size).Take(pagination.size);
this.Data = convert(pagedResponse.ToList());
return(this);
}
private void ToPagedResponse(IQueryable <T> data, BasePaginationParams pagination)
{
FillPagination(pagination, data.Count());
this.Data = data.Skip((pagination.page - 1) * pagination.size).Take(pagination.size).ToList();
}
private void ToPagedResponse(IEnumerable <T> data, BasePaginationParams pagination)
{
FillPagination(pagination, data.Count());
}
public PagedResponse(IQueryable <T> data, BasePaginationParams parameters) : this()
{
ToPagedResponse(data, parameters);
}
