private static void FillOperators(IQuery query, RestQueryString restQuery, RestProcessParameters param)
{
if (restQuery.QueryStringValues.ContainsKey(RestConstants.LimitOperator))
{
var maxResults = restQuery.QueryStringValues[RestConstants.LimitOperator].First().IntSafeInvariantParse();
query.SetMaxResults(maxResults);
}
if (restQuery.QueryStringValues.ContainsKey(RestConstants.OrderOperator))
{
var orderby = restQuery.QueryStringValues[RestConstants.OrderOperator].FirstOrDefault();
var orderbyMatch = OrderByRegex.Match(orderby);
if (orderbyMatch.Success)
{
switch (orderbyMatch.Groups["asc"].Value.IsNullOrEmpty() ? "asc" : orderbyMatch.Groups["asc"].Value)
{
case "asc":
query.AddOrder(Order.Asc(orderbyMatch.Groups["prop"].Value));
break;
case "desc":
query.AddOrder(Order.Desc(orderbyMatch.Groups["prop"].Value));
break;
}
}
}
if (restQuery.QueryStringValues.ContainsKey(RestConstants.IncludeOperator))
{
foreach (var value in restQuery.QueryStringValues[RestConstants.IncludeOperator])
{
query.Include(value);
}
}
if (restQuery.QueryStringValues.ContainsKey(RestConstants.SelectOperator))
{
query.SetProjection(Projection.Properties(restQuery.QueryStringValues[RestConstants.SelectOperator]));
}
if (param.Context.Request.Headers.ContainsKey(RestConstants.ContinuationTokenHeader))
{
var continuationToken = param.Context.Request.Headers[RestConstants.ContinuationTokenHeader].FirstOrDefault();
query.SetContinuationToken(continuationToken);
}
}
/// <summary>
/// Order by desc
/// </summary>
/// <typeparam name="TQueryModel">Query model</typeparam>
/// <param name="sourceQuery">Source query</param>
/// <param name="field">Field</param>
/// <param name="converter">Field converter</param>
/// <returns>Return the newest IQuery object</returns>
public static IQuery Desc <TQueryModel>(this IQuery sourceQuery, Expression <Func <TQueryModel, dynamic> > field, ICriteriaConverter converter = null) where TQueryModel : IQueryModel <TQueryModel>
{
return(sourceQuery.AddOrder(ExpressionHelper.GetExpressionPropertyName(field.Body), true, converter));
}
/// <summary>
/// Order by desc
/// </summary>
/// <param name="sourceQuery">Source query</param>
/// <param name="field">Field</param>
/// <param name="converter">Field converter</param>
/// <returns>Return the newest IQuery object</returns>
public static IQuery Desc(this IQuery sourceQuery, string field, ICriteriaConverter converter = null)
{
return(sourceQuery.AddOrder(field, true, converter));
}
