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using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
using umbraco.NodeFactory;
using uComponents.Mapping.Property;
namespace uComponents.Mapping
{
/// <summary>
/// Fluent configuration for a NodeMap.
/// </summary>
/// <typeparam name="TDestination">The destination model type</typeparam>
internal class NodeMappingExpression<TDestination> : INodeMappingExpression<TDestination>
{
private NodeMappingEngine _engine { get; set; }
private NodeMapper _nodeMapper { get; set; }
public NodeMappingExpression(NodeMappingEngine engine, NodeMapper mapping)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
else if (mapping == null)
{
throw new ArgumentNullException("engine");
}
_nodeMapper = mapping;
_engine = engine;
}
#region Default properties
public INodeMappingExpression<TDestination> DefaultProperty<TSourceProperty, TDestinationProperty>(
Expression<Func<TDestination, TDestinationProperty>> destinationProperty,
Expression<Func<Node, TSourceProperty>> nodeProperty,
Func<TSourceProperty, TDestinationProperty> mapping
)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
else if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
else if (nodeProperty == null)
{
throw new ArgumentNullException("nodeProperty");
}
var mapper = new DefaultPropertyMapper(
_nodeMapper,
destinationProperty.GetPropertyInfo(),
nodeProperty.GetPropertyInfo(),
x => (object)mapping((TSourceProperty)x)
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
#endregion
#region Basic properties
public INodeMappingExpression<TDestination> BasicProperty(
Expression<Func<TDestination, object>> destinationProperty,
string propertyAlias
)
{
if (string.IsNullOrEmpty(propertyAlias))
{
throw new ArgumentException("Property alias cannot be null", "propertyAlias");
}
var mapper = new BasicPropertyMapper(
null,
null,
_nodeMapper,
destinationProperty.GetPropertyInfo(),
propertyAlias
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
public INodeMappingExpression<TDestination> BasicProperty<TSourceProperty>(
Expression<Func<TDestination, object>> destinationProperty,
BasicPropertyMapping<TSourceProperty> mapping,
string propertyAlias = null
)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
var mapper = new BasicPropertyMapper(
x => mapping((TSourceProperty)x),
typeof(TSourceProperty),
_nodeMapper,
destinationProperty.GetPropertyInfo(),
propertyAlias
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
#endregion
#region Single Properties
public INodeMappingExpression<TDestination> SingleProperty(
Expression<Func<TDestination, object>> destinationProperty,
string propertyAlias
)
{
if (string.IsNullOrEmpty(propertyAlias))
{
throw new ArgumentException("Property alias cannot be null", "propertyAlias");
}
else if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
var mapper = new SinglePropertyMapper(
null,
null,
_nodeMapper,
destinationProperty.GetPropertyInfo(),
propertyAlias
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
public INodeMappingExpression<TDestination> SingleProperty(
Expression<Func<TDestination, object>> destinationProperty,
Func<int, int?> mapping
)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
else if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
var mapper = new SinglePropertyMapper(
(context, sourceValue) => mapping(context.Id),
null,
_nodeMapper,
destinationProperty.GetPropertyInfo(),
null
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
public INodeMappingExpression<TDestination> SingleProperty<TSourceProperty>(
Expression<Func<TDestination, object>> destinationProperty,
SinglePropertyMapping<TSourceProperty> mapping,
string propertyAlias = null
)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
else if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
var mapper = new SinglePropertyMapper(
(context, value) => mapping((TSourceProperty)value),
typeof(TSourceProperty),
_nodeMapper,
destinationProperty.GetPropertyInfo(),
propertyAlias
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
#endregion
#region Collection properties
public INodeMappingExpression<TDestination> CollectionProperty(
Expression<Func<TDestination, object>> destinationProperty,
string propertyAlias
)
{
if (string.IsNullOrEmpty(propertyAlias))
{
throw new ArgumentException("Property alias cannot be null", "propertyAlias");
}
var mapper = new CollectionPropertyMapper(
null,
null,
_nodeMapper,
destinationProperty.GetPropertyInfo(),
propertyAlias
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
public INodeMappingExpression<TDestination> CollectionProperty(
Expression<Func<TDestination, object>> destinationProperty,
Func<int, IEnumerable<int>> mapping
)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
else if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
var mapper = new CollectionPropertyMapper(
(context, sourceValue) => mapping(context.Id),
null,
_nodeMapper,
destinationProperty.GetPropertyInfo(),
null
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
public INodeMappingExpression<TDestination> CollectionProperty<TSourceProperty>(
Expression<Func<TDestination, object>> destinationProperty,
CollectionPropertyMapping<TSourceProperty> mapping,
string propertyAlias = null
)
{
if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
var mapper = new CollectionPropertyMapper(
(context, value) => mapping((TSourceProperty)value),
typeof(TSourceProperty),
_nodeMapper,
destinationProperty.GetPropertyInfo(),
propertyAlias
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
#endregion
#region Custom properties
public INodeMappingExpression<TDestination> CustomProperty(
Expression<Func<TDestination, object>> destinationProperty,
CustomPropertyMapping mapping,
bool requiresInclude,
bool allowCaching
)
{
if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
else if (mapping == null)
{
throw new ArgumentNullException("mapping");
}
var mapper = new CustomPropertyMapper(
mapping,
requiresInclude,
allowCaching,
_nodeMapper,
destinationProperty.GetPropertyInfo()
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
#endregion
/// <summary>
/// Removes the mapping for a property, if any exists.
/// </summary>
/// <param name="destinationProperty">The property on the model to NOT map to</param>
/// <exception cref="ArgumentNullException">If destinationProperty is null</exception>
public INodeMappingExpression<TDestination> RemoveMappingForProperty(
Expression<Func<TDestination, object>> destinationProperty
)
{
var propertyInfo = destinationProperty.GetPropertyInfo();
if (!propertyInfo.CanWrite)
{
throw new NotSupportedException(string.Format("Cannot remove mapping for a ReadOnly property. Name: '{0}', Class: '{1}'", propertyInfo.Name, propertyInfo.DeclaringType.FullName));
}
if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
_nodeMapper.RemovePropertyMapper(propertyInfo);
return this;
}
#region Legacy
/// <summary>
/// See <c>INodeMappingExpression.ForProperty()</c>
/// </summary>
[Obsolete]
public INodeMappingExpression<TDestination> ForProperty<TProperty>(
Expression<Func<TDestination, TProperty>> destinationProperty,
Func<Node, string[], object> propertyMapping,
bool requiresInclude
)
{
if (destinationProperty == null)
{
throw new ArgumentNullException("destinationProperty");
}
else if (propertyMapping == null)
{
throw new ArgumentNullException("propertyMapping");
}
CustomPropertyMapping mapping = (id, paths, cache) =>
{
var node = new Node(id);
if (string.IsNullOrEmpty(node.Name))
{
return null;
}
return propertyMapping(node, paths);
};
var mapper = new CustomPropertyMapper(
mapping,
requiresInclude,
false,
_nodeMapper,
destinationProperty.GetPropertyInfo()
);
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
/// <summary>
/// See <c>INodeMappingExpression.ForProperty()</c>
/// </summary>
[Obsolete]
public INodeMappingExpression<TDestination> ForProperty<TProperty>(
Expression<Func<TDestination, TProperty>> destinationProperty,
Func<Node, object> propertyMapping,
bool isRelationship
)
{
Func<Node, string[], object> mapping = (node, paths) => propertyMapping(node);
if (_engine.CacheProvider != null)
{
_engine.CacheProvider.Clear();
}
return ForProperty(
destinationProperty,
mapping,
isRelationship
);
}
/// <summary>
/// See <c>INodeMappingExpression.ForProperty()</c>
/// </summary>
[Obsolete]
public INodeMappingExpression<TDestination> ForProperty<TProperty>(
Expression<Func<TDestination, TProperty>> destinationProperty,
string nodeTypeAlias
)
{
if (string.IsNullOrEmpty(nodeTypeAlias))
{
throw new ArgumentException("Node type alias cannot be null", "nodeTypeAlias");
}
var destinationPropertyInfo = destinationProperty.GetPropertyInfo();
var propertyType = destinationPropertyInfo.PropertyType;
PropertyMapperBase mapper = null;
if (propertyType.GetMappedPropertyType() == MappedPropertyType.SystemOrEnum)
{
mapper = new BasicPropertyMapper(
null,
null,
_nodeMapper,
destinationPropertyInfo,
nodeTypeAlias
);
}
else if (propertyType.GetMappedPropertyType() == MappedPropertyType.Model)
{
mapper = new SinglePropertyMapper(
null,
null,
_nodeMapper,
destinationPropertyInfo,
nodeTypeAlias
);
}
else if (propertyType.GetMappedPropertyType() == MappedPropertyType.Collection)
{
mapper = new CollectionPropertyMapper(
null,
null,
_nodeMapper,
destinationPropertyInfo,
nodeTypeAlias
);
}
else
{
throw new ArgumentOutOfRangeException(
"TProperty",
string.Format("The property type {0} on model {1} is not supported.", propertyType.FullName, typeof(TDestination).FullName)
);
}
_nodeMapper.InsertPropertyMapper(mapper);
return this;
}
#endregion
}
/// <summary>
/// Thrown when a model property could not be mapped to a document type property.
/// </summary>
public class PropertyAliasNotFoundException : Exception
{
/// <summary>
/// Instantiates the exception.
/// </summary>
public PropertyAliasNotFoundException(Type destinationType, PropertyInfo property, string documentTypeAlias)
: base(string.Format("Could not map {0}'s {1} property to a property on nodes of alias {2}.", destinationType.FullName, property.Name, documentTypeAlias))
{
}
}
/// <summary>
/// Thrown when a model property could not be mapped to a default Node property.
/// </summary>
public class DefaultPropertyTypeException : Exception
{
/// <summary>
/// Instantiates the exception.
/// </summary>
public DefaultPropertyTypeException(Type destinationType, PropertyInfo destinationProperty, PropertyInfo nodeProperty)
: base(string.Format("Could not map {0}'s {1} property to a default Node property {2}.", destinationType.FullName, destinationProperty.Name, nodeProperty.Name))
{
}
}
}