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created HasOne, HasMany relationship extension.
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49
NzbDrone.Core/Datastore/MappingExtensions.cs
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49
NzbDrone.Core/Datastore/MappingExtensions.cs
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@ -0,0 +1,49 @@
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using System;
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using System.Linq;
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using System.Reflection;
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using Marr.Data.Mapping;
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namespace NzbDrone.Core.Datastore
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{
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public static class MappingExtensions
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{
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public static ColumnMapBuilder<T> RegisterModel<T>(this FluentMappings.MappingsFluentEntity<T> mapBuilder, string tableName) where T : ModelBase
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{
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return mapBuilder.Table.MapTable(tableName)
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.Columns
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.AutoMapPropertiesWhere(IsMappableProperty)
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.For(c => c.Id)
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.SetPrimaryKey()
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.SetReturnValue()
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.SetAutoIncrement();
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}
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public static bool IsMappableProperty(MemberInfo memberInfo)
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{
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var propertyInfo = memberInfo as PropertyInfo;
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if (propertyInfo == null) return false;
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if (propertyInfo.PropertyType.GetInterfaces().Any(i => i == typeof(IEmbeddedDocument)))
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{
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return true;
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}
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return propertyInfo.CanRead && propertyInfo.CanWrite && IsSimpleType(propertyInfo.PropertyType);
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}
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public static bool IsSimpleType(Type type)
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{
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if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
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{
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type = type.GetGenericArguments()[0];
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}
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return type.IsPrimitive
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|| type.IsEnum
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|| type == typeof(string)
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|| type == typeof(DateTime)
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|| type == typeof(Decimal);
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}
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}
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}
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33
NzbDrone.Core/Datastore/RelationshipExtensions.cs
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33
NzbDrone.Core/Datastore/RelationshipExtensions.cs
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@ -0,0 +1,33 @@
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using System;
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using System.Linq;
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using System.Linq.Expressions;
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using Marr.Data;
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using Marr.Data.Mapping;
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namespace NzbDrone.Core.Datastore
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{
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public static class RelationshipExtensions
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{
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public static RelationshipBuilder<TParent> HasOne<TParent, TChild>(this ColumnMapBuilder<TParent> columnMapBuilder, Expression<Func<TParent, object>> portalExpression, Func<TParent, int> childIdSelector)
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where TParent : ModelBase
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where TChild : ModelBase
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{
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return columnMapBuilder.Relationships.AutoMapComplexTypeProperties<ILazyLoaded>()
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.For(portalExpression)
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.LazyLoad((db, parent) => db.Query<TChild>().Single(c => c.Id == childIdSelector(parent)));
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}
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public static RelationshipBuilder<TParent> HasMany<TParent, TChild>(this ColumnMapBuilder<TParent> columnMapBuilder, Expression<Func<TParent, object>> portalExpression, Func<TParent, int> childIdSelector)
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where TParent : ModelBase
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where TChild : ModelBase
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{
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return columnMapBuilder.Relationships.AutoMapComplexTypeProperties<ILazyLoaded>()
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.For(portalExpression)
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.LazyLoad((db, parent) => db.Query<TChild>().Where(c => c.Id == childIdSelector(parent)).ToList());
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}
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}
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}
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@ -1,4 +1,5 @@
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using System;
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using System.Linq.Expressions;
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using System.Reflection;
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using Marr.Data;
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using Marr.Data.Mapping;
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@ -38,9 +39,7 @@ public static void Map()
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Mapper.Entity<SceneMapping>().RegisterModel("SceneMappings");
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Mapper.Entity<History.History>().RegisterModel("History")
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.Relationships.AutoMapComplexTypeProperties<ILazyLoaded>()
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.For(c => c.Episode)
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.LazyLoad((db, history) => db.Query<Episode>().Single(ep => ep.Id == history.EpisodeId));
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.HasOne<History.History, Episode>(h => h.Episode, h => h.EpisodeId);
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Mapper.Entity<Series>().RegisterModel("Series")
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.Relationships.AutoMapComplexTypeProperties<ILazyLoaded>()
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@ -60,6 +59,7 @@ public static void Map()
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}
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private static void RegisterMappers()
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{
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MapRepository.Instance.RegisterTypeConverter(typeof(Int32), new Int32Converter());
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@ -67,45 +67,5 @@ private static void RegisterMappers()
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MapRepository.Instance.RegisterTypeConverter(typeof(Enum), new EnumIntConverter());
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MapRepository.Instance.RegisterTypeConverter(typeof(QualityModel), new EmbeddedDocumentConverter());
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}
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private static ColumnMapBuilder<T> RegisterModel<T>(this FluentMappings.MappingsFluentEntity<T> mapBuilder, string tableName) where T : ModelBase
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{
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return mapBuilder.Table.MapTable(tableName)
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.Columns
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.AutoMapPropertiesWhere(IsMappableProperty)
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.For(c => c.Id)
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.SetPrimaryKey()
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.SetReturnValue()
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.SetAutoIncrement();
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}
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private static bool IsMappableProperty(MemberInfo memberInfo)
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{
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var propertyInfo = memberInfo as PropertyInfo;
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if (propertyInfo == null) return false;
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if (propertyInfo.PropertyType.GetInterfaces().Any(i => i == typeof(IEmbeddedDocument)))
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{
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return true;
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}
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return propertyInfo.CanRead && propertyInfo.CanWrite && IsSimpleType(propertyInfo.PropertyType);
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}
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private static bool IsSimpleType(Type type)
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{
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if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
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{
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type = type.GetGenericArguments()[0];
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}
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return type.IsPrimitive
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|| type.IsEnum
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|| type == typeof(string)
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|| type == typeof(DateTime)
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|| type == typeof(Decimal);
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}
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}
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}
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@ -203,6 +203,7 @@
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<Compile Include="Datastore\EnumIntConverter.cs" />
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<Compile Include="Datastore\IEmbeddedDocument.cs" />
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<Compile Include="Datastore\LazyList.cs" />
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<Compile Include="Datastore\MappingExtensions.cs" />
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<Compile Include="Datastore\Migration\Framework\MigrationController.cs" />
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<Compile Include="Datastore\Migration\Framework\MigrationOptions.cs" />
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<Compile Include="Datastore\Migration\Framework\NlogAnnouncer.cs" />
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@ -211,6 +212,7 @@
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<Compile Include="Datastore\MigrationType.cs" />
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<Compile Include="Datastore\ModelBase.cs" />
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<Compile Include="Datastore\BasicRepository.cs" />
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<Compile Include="Datastore\RelationshipExtensions.cs" />
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<Compile Include="Datastore\TableMapping.cs" />
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<Compile Include="DecisionEngine\DownloadDecision.cs" />
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<Compile Include="DecisionEngine\IFetchableSpecification.cs" />
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