private void AddOrderByParameter(QueryReciever request)
{
if (!request.Query.OrderBy.Contains(':'))
{
AddError(request, ErrorMessage.Query.OrderParameterSeperator);
return;
}
var orderQuery = request.Query.OrderBy.Split(":");
if (!orderQuery[0].Contains(OrderParameterDescriptor.Ascending, StringComparison.OrdinalIgnoreCase) &&
!orderQuery[0].Contains(OrderParameterDescriptor.Descending, StringComparison.OrdinalIgnoreCase))
{
AddError(request, ErrorMessage.Query.OrderParameterDescriptor);
return;
}
if (!_querySemantics.DefaultFields.Contains(orderQuery[0]))
{
AddError(request, ErrorMessage.Query.OrderParameterField);
return;
}
request.OrderByParameter = new OrderByParameter(orderQuery);
}
private void AddExpandMembers(QueryReciever request)
{
var expandMembers = new List <string>();
foreach (var member in request.Query.Expand.Split('.'))
{
if (_querySemantics.RelationalFields.Contains(member))
{
expandMembers.Add(member);
continue;
}
AddError(request, ErrorMessage.Query.ExpandParameterField);
}
request.ExpandMembers = expandMembers.ToArray();
}
public static PagedResponse <T> CreatePaginatedResponse <T>(
IUriService uriService,
QueryReciever request,
ICollection <T> response,
int?total)
{
var pagination = request.PaginationQuery;
var nextPage = pagination.PageNumber >= 1
? uriService.GetUri(request.RequestRoute,
new PaginationQuery
{
PageNumber = pagination.PageNumber + 1,
PageSize = pagination.PageSize
}).ToString()
: null;
var previousPage = pagination.PageNumber - 1 >= 1
? uriService.GetUri(request.RequestRoute,
new PaginationQuery
{
PageNumber = pagination.PageNumber - 1,
PageSize = pagination.PageSize
}).ToString()
: null;
return(new PagedResponse <T>
{
Data = response,
PageNumber = pagination.PageNumber >= 1 ? pagination.PageNumber : null,
PageSize = pagination.PageSize > response.Count ? response.Count
: pagination.PageSize >= 1 ? pagination.PageSize : null,
NextPage = total > pagination.PageSize ? nextPage : null,
PreviousPage = previousPage,
Total = total,
Errors = request.Errors
});
}
private static void AddError(QueryReciever request, string errorMessage)
{
request.Errors ??= new List <string>();
request.Errors.Add(errorMessage);
}
