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Code Issues Projects Releases Packages Wiki Activity Actions 2

value injector should map lazy loaded values properly.

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This commit is contained in:
kay.one 2013-05-31 19:49:15 -07:00
commit e5cc0c1a93
13 changed files with 163 additions and 267 deletions
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54
NzbDrone.Api/Mapping/CloneInjection.cs
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@ -2,6 +2,7 @@
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Marr.Data;
using Omu.ValueInjecter;
namespace NzbDrone.Api.Mapping
@ -41,22 +42,16 @@ namespace NzbDrone.Api.Mapping
if (conventionInfo.SourceProp.Type.IsGenericType)
{
var genericInterfaces = conventionInfo.SourceProp.Type.GetGenericTypeDefinition().GetInterfaces();
//handle IEnumerable<> also ICollection<> IList<> List<>
if (conventionInfo.SourceProp.Type.GetGenericTypeDefinition().GetInterfaces().Any(d => d == typeof(IEnumerable)))
if (genericInterfaces.Any(d => d == typeof(IEnumerable)))
{
var t = conventionInfo.SourceProp.Type.GetGenericArguments()[0];
if (t.IsValueType || t == typeof(string)) return conventionInfo.SourceProp.Value;
return MapLists(conventionInfo);
}
var tlist = typeof(List<>).MakeGenericType(t);
var list = Activator.CreateInstance(tlist);
var addMethod = tlist.GetMethod("Add");
foreach (var o in (IEnumerable)conventionInfo.SourceProp.Value)
{
var e = Activator.CreateInstance(t).InjectFrom<CloneInjection>(o);
addMethod.Invoke(list, new[] { e }); // in 4.0 you can use dynamic and just do list.Add(e);
}
return list;
if (genericInterfaces.Any(i => i == typeof(ILazyLoaded)))
{
return MapLazy(conventionInfo);
}
//unhandled generic type, you could also return null or throw
@ -67,5 +62,38 @@ namespace NzbDrone.Api.Mapping
return Activator.CreateInstance(conventionInfo.SourceProp.Type)
.InjectFrom<CloneInjection>(conventionInfo.SourceProp.Value);
}
private static object MapLazy(ConventionInfo conventionInfo)
{
var genericArgument = conventionInfo.SourceProp.Type.GetGenericArguments()[0];
dynamic lazy = conventionInfo.SourceProp.Value;
if (lazy.IsLoaded && conventionInfo.TargetProp.Type.IsAssignableFrom(genericArgument))
{
return lazy.Value;
}
return null;
}
private static object MapLists(ConventionInfo conventionInfo)
{
var t = conventionInfo.SourceProp.Type.GetGenericArguments()[0];
if (t.IsValueType || t == typeof(string)) return conventionInfo.SourceProp.Value;
var tlist = typeof(List<>).MakeGenericType(t);
var list = Activator.CreateInstance(tlist);
var addMethod = tlist.GetMethod("Add");
foreach (var o in (IEnumerable)conventionInfo.SourceProp.Value)
{
var e = Activator.CreateInstance(t).InjectFrom<CloneInjection>(o);
addMethod.Invoke(list, new[] { e }); // in 4.0 you can use dynamic and just do list.Add(e);
}
return list;
}
}
}