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Getting model by invalid ID throws a more specific exception.

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This commit is contained in:
Keivan Beigi 2013-07-09 15:06:30 -07:00
commit 54c36e9264
8 changed files with 38 additions and 11 deletions
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10
NzbDrone.Core/Datastore/BasicRepository.cs
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@ -4,6 +4,7 @@ using System.Linq;
using System.Linq.Expressions;
using Marr.Data;
using Marr.Data.QGen;
using NzbDrone.Common.EnsureThat;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Datastore.Events;
using NzbDrone.Common;
@ -73,7 +74,14 @@ namespace NzbDrone.Core.Datastore
public TModel Get(int id)
{
return DataMapper.Query<TModel>().Single(c => c.Id == id);
var model = DataMapper.Query<TModel>().SingleOrDefault(c => c.Id == id);
if (model == null)
{
throw new ModelNotFoundException(typeof(TModel), id);
}
return model;
}
public IEnumerable<TModel> Get(IEnumerable<int> ids)

14
NzbDrone.Core/Datastore/ModelNotFoundException.cs Normal file
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@ -0,0 +1,14 @@
using System;
using NzbDrone.Common.Exceptions;
namespace NzbDrone.Core.Datastore
{
public class ModelNotFoundException : NzbDroneException
{
public ModelNotFoundException(Type modelType, int modelId)
: base("{0} with ID {1} does not exist", modelType.Name, modelId)
{
}
}
}