/// <summary>
/// Create sort expression.
/// </summary>
/// <param name="me">Me.</param>
/// <param name="orderByProperty">The order by property.</param>
/// <param name="sortOrder">The sort order.</param>
/// <returns>Expression.</returns>
public static Expression Sort(this Expression me, String orderByProperty, SortOrderType sortOrder)
{
// Get sort property
var sortProperty = me.Type.GenericTypeArguments[0].GetRuntimeProperty(orderByProperty);
Type predicateType = typeof(Func <,>).MakeGenericType(me.Type.GetTypeInfo().GenericTypeArguments[0], sortProperty.PropertyType);
var sortMethod = typeof(Enumerable).GetGenericMethod(sortOrder.ToString(),
new Type[] { me.Type.GetTypeInfo().GenericTypeArguments[0], sortProperty.PropertyType },
new Type[] { me.Type, predicateType });
// Get builder methods
var sortParameter = Expression.Parameter(me.Type.GetTypeInfo().GenericTypeArguments[0], "sort");
var builderMethod = typeof(Expression).GetGenericMethod(nameof(Expression.Lambda), new Type[] { predicateType }, new Type[] { typeof(Expression), typeof(ParameterExpression[]) });
var sortLambda = builderMethod.Invoke(null, new object[] { Expression.MakeMemberAccess(sortParameter, sortProperty), new ParameterExpression[] { sortParameter } }) as Expression;
return(Expression.Call(sortMethod as MethodInfo, me, sortLambda));
}
public override string ToString()
{
return("Framework.Persistence.SortOrder(PropertyName:{0}, SortOrderType:{1})".FormatInvariantCulture(PropertyName, SortOrderType.ToString()));
}
/// <summary>
/// Get Presentations
/// </summary>
/// <param name="searchPresentation">Search Presentation</param>
/// <param name="skip">Records to skip</param>
/// <param name="top">Records Count</param>
/// <param name="sortDirection">Sort Direction</param>
/// <returns></returns>
public List <Presentation> GetPresentations(string searchPresentation, int skip, int top, SortOrderType sortDirection)
{
List <Presentation> presentationList = null;
var presentationUrl = Constants.PresentationUrl;
if (!string.IsNullOrEmpty(searchPresentation))
{
presentationUrl += string.Concat(Constants.OneSpace, searchPresentation);
}
var request = new RestRequest(presentationUrl, Method.GET);
request.AddParameter(Constants.Select, Constants.Full);
request.AddParameter(Constants.Orderby, string.Concat(Constants.RecordDateOrder, sortDirection.ToString().ToLower()));
request.AddParameter(Constants.Skip, skip);
request.AddParameter(Constants.Top, top > 0 ? top : 2000);
var presentations = ClientManager.Client.Execute <GenericResponse <PresentationFullRepresentation> >(request);
if (presentations.Data?.Value != null)
{
presentationList = presentations.Data.Value.Select(MapToModel).ToList();
}
return(presentationList);
}
