parent
2e3863895c
commit
047e53179d
@ -0,0 +1,40 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Linq.Expressions;
|
||||
using System.Reflection;
|
||||
|
||||
namespace NzbDrone.Common
|
||||
{
|
||||
public static class EnumerableExtensions
|
||||
{
|
||||
public static IEnumerable<TKey> SelectDistinct<TOuter, TKey>(this IEnumerable<TOuter> outer, Func<TOuter, TKey> outerKeySelector)
|
||||
{
|
||||
return outer.Select(outerKeySelector).Distinct();
|
||||
}
|
||||
|
||||
public static IEnumerable<TOuter> Join<TOuter, TInner, TKey, TProperty>(this IEnumerable<TOuter> outer, IEnumerable<TInner> inner, Func<TOuter, TKey> outerKeySelector, Func<TInner, TKey> innerKeySelector, Expression<Func<TOuter, TProperty>> outerProperty)
|
||||
{
|
||||
var outerList = outer.ToList();
|
||||
var innerList = inner.ToList();
|
||||
|
||||
foreach (var outerElement in outerList)
|
||||
{
|
||||
var outerKey = outerKeySelector(outerElement);
|
||||
|
||||
foreach (var innerElement in innerList)
|
||||
{
|
||||
var innerKey = innerKeySelector(innerElement);
|
||||
|
||||
if (innerKey.Equals(outerKey))
|
||||
{
|
||||
var prop = (PropertyInfo)((MemberExpression)outerProperty.Body).Member;
|
||||
prop.SetValue(outerElement, innerElement, null);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return outerList;
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in new issue