renamed DynamicDocumentList to DynamicPublishedContentList
simplified some of the DynamicPublishedContent methods to accept Func<IPublishedContent> instead of Func<DynamicPublishedContent>, made the IsHelper method private as this shouldn't be exposed. renamed other objects starting with DynamicDocument to DynamicPublishedContent
This commit is contained in:
Shannon Deminick
250
src/Umbraco.Core/Dynamics/DynamicPublishedContentListOrdering.cs
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250
src/Umbraco.Core/Dynamics/DynamicPublishedContentListOrdering.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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namespace Umbraco.Core.Dynamics
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{
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internal static class DynamicPublishedContentListOrdering
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{
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private static TOut Reduce<TOut>(Func<DynamicPublishedContent, TOut> func, DynamicPublishedContent publishedContent)
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{
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var value = func(publishedContent);
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while (value is Func<DynamicPublishedContent, TOut>)
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{
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value = (value as Func<DynamicPublishedContent, TOut>)(publishedContent);
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}
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//when you're sorting a list of properties
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//and one of those properties doesn't exist, it will come back as DynamicNull
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//when that gets handled by the expression tree parser, it's converted to be false
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//which lets .Where work properly with e.g. umbracoNaviHide which may not be defined
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//on all properties
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//this checks to see if the type of value is bool, and if it is, and it's false
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//then return false
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//in a case where Reduce<bool> is being called, this will return false, which is the
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//same as the actual real value
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//but when Reduce<object> [a dynamicnode dynamic property call] is called
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//it will result in null, (because default(object) is null)
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//which will cause the item with the missing property to sort up to the top of the list
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if (value.GetType() == typeof(bool) && !((value as bool?) ?? false))
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{
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return default(TOut);
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}
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if (value.GetType() == typeof(string) && string.IsNullOrEmpty((value as string)))
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{
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return default(TOut);
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}
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return (TOut)value;
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}
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public static IOrderedQueryable<DynamicPublishedContent> OrderBy(object source, object key)
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{
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IEnumerable<DynamicPublishedContent> typedSource = source as IEnumerable<DynamicPublishedContent>;
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LambdaExpression lambda = key as LambdaExpression;
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//if the lambda we have returns an actual property, not a dynamic one,
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//then the TOut of the func will be the actual type, not object
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//Func<DynamicNode, object> func = (Func<DynamicNode, object>)lambda.Compile();
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var func = lambda.Compile();
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var TOut = func.GetType().GetGenericArguments()[1];
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IOrderedQueryable<DynamicPublishedContent> result = null;
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if (TOut == typeof(Func<DynamicPublishedContent, object>))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(object))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(bool))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<bool>(func as Func<DynamicPublishedContent, bool>, x))
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.AsQueryable();
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}
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if (TOut == typeof(decimal))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<decimal>(func as Func<DynamicPublishedContent, decimal>, x))
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.AsQueryable();
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}
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if (TOut == typeof(int))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<int>(func as Func<DynamicPublishedContent, int>, x))
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.AsQueryable();
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}
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if (TOut == typeof(string))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<string>(func as Func<DynamicPublishedContent, string>, x))
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.AsQueryable();
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}
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if (TOut == typeof(DateTime))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderBy(x => Reduce<DateTime>(func as Func<DynamicPublishedContent, DateTime>, x))
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.AsQueryable();
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}
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return result;
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}
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public static IOrderedQueryable<DynamicPublishedContent> ThenBy(object source, object key)
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{
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IOrderedQueryable<DynamicPublishedContent> typedSource = source as IOrderedQueryable<DynamicPublishedContent>;
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LambdaExpression lambda = key as LambdaExpression;
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var func = lambda.Compile();
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var TOut = func.GetType().GetGenericArguments()[1];
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IOrderedQueryable<DynamicPublishedContent> result = null;
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if (TOut == typeof(Func<DynamicPublishedContent, object>))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(object))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(bool))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<bool>(func as Func<DynamicPublishedContent, bool>, x))
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.AsQueryable();
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}
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if (TOut == typeof(decimal))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<decimal>(func as Func<DynamicPublishedContent, decimal>, x))
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.AsQueryable();
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}
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if (TOut == typeof(int))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<int>(func as Func<DynamicPublishedContent, int>, x))
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.AsQueryable();
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}
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if (TOut == typeof(string))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<string>(func as Func<DynamicPublishedContent, string>, x))
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.AsQueryable();
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}
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if (TOut == typeof(DateTime))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenBy(x => Reduce<DateTime>(func as Func<DynamicPublishedContent, DateTime>, x))
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.AsQueryable();
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}
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return result;
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}
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public static IOrderedQueryable<DynamicPublishedContent> OrderByDescending(object source, object key)
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{
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IEnumerable<DynamicPublishedContent> typedSource = source as IEnumerable<DynamicPublishedContent>;
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LambdaExpression lambda = key as LambdaExpression;
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var func = lambda.Compile();
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var TOut = func.GetType().GetGenericArguments()[1];
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IOrderedQueryable<DynamicPublishedContent> result = null;
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if (TOut == typeof(Func<DynamicPublishedContent, object>))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(object))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(bool))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<bool>(func as Func<DynamicPublishedContent, bool>, x))
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.AsQueryable();
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}
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if (TOut == typeof(decimal))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<decimal>(func as Func<DynamicPublishedContent, decimal>, x))
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.AsQueryable();
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}
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if (TOut == typeof(int))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<int>(func as Func<DynamicPublishedContent, int>, x))
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.AsQueryable();
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}
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if (TOut == typeof(string))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<string>(func as Func<DynamicPublishedContent, string>, x))
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.AsQueryable();
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}
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if (TOut == typeof(DateTime))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.OrderByDescending(x => Reduce<DateTime>(func as Func<DynamicPublishedContent, DateTime>, x))
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.AsQueryable();
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}
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return result;
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}
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public static IOrderedQueryable<DynamicPublishedContent> ThenByDescending(object source, object key)
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{
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IOrderedQueryable<DynamicPublishedContent> typedSource = source as IOrderedQueryable<DynamicPublishedContent>;
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LambdaExpression lambda = key as LambdaExpression;
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var func = lambda.Compile();
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var TOut = func.GetType().GetGenericArguments()[1];
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IOrderedQueryable<DynamicPublishedContent> result = null;
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if (TOut == typeof(Func<DynamicPublishedContent, object>))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(object))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<object>(func as Func<DynamicPublishedContent, object>, x))
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.AsQueryable();
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}
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if (TOut == typeof(bool))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<bool>(func as Func<DynamicPublishedContent, bool>, x))
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.AsQueryable();
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}
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if (TOut == typeof(decimal))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<decimal>(func as Func<DynamicPublishedContent, decimal>, x))
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.AsQueryable();
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}
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if (TOut == typeof(int))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<int>(func as Func<DynamicPublishedContent, int>, x))
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.AsQueryable();
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}
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if (TOut == typeof(string))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<string>(func as Func<DynamicPublishedContent, string>, x))
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.AsQueryable();
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}
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if (TOut == typeof(DateTime))
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{
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result = (IOrderedQueryable<DynamicPublishedContent>)typedSource
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.ThenByDescending(x => Reduce<DateTime>(func as Func<DynamicPublishedContent, DateTime>, x))
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.AsQueryable();
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}
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return result;
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}
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}
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}
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