/// <summary>
/// Gets the association name of a navigation node.
/// </summary>
/// <param name="navigationNode">Novigation node from where to get the association name.</param>
/// <returns></returns>
public static string GetNavigationAssociationName(XElement navigationNode)
{
string associationName = navigationNode.Attribute(
EdmxNodeAttributes.NavigationProperty_Relationship).Value;
return(EdmxHelper.GetNameWithoutNamespace(associationName));
}
/// <summary>
/// Gets the Class Base Type of an EntityType node.
/// </summary>
/// <param name="entityNode">EntityType node to get the Class Base Type.</param>
/// <returns></returns>
public static string GetEntityBaseType(XElement entityNode)
{
string entityBaseType = null;
if (entityNode.Attribute(EdmxNodeAttributes.EntityType_BaseType) != null)
{
entityBaseType = entityNode.Attribute(EdmxNodeAttributes.EntityType_BaseType).Value;
entityBaseType = EdmxHelper.GetNameWithoutNamespace(entityBaseType);
}
return(entityBaseType);
}
/// <summary>
/// Gets the CSharp Type from a EDMX Property.
/// </summary>
/// <param name="propertyNode">Type attribute.</param>
/// <param name="entityOwnerName">Entity owner name.</param>
/// <returns></returns>
public static string GetTypeFromEDMXProperty(XElement propertyNode, string entityOwnerName)
{
// Get the Type attribute
XAttribute typeAttribute = propertyNode.Attribute(EdmxNodeAttributes.Property_Type);
// Check Type attribute exists
if (typeAttribute == null)
{
string propertyName = propertyNode.Attribute(EdmxNodeAttributes.Property_Name).Value;
throw new ApplicationException(string.Format(Resources.Error_PropertyTypeAttributeMissing,
entityOwnerName, propertyName));
}
// Get the Type value
string edmxTypeValue = propertyNode.Attribute(EdmxNodeAttributes.Property_Type).Value;
// Check Type value is not empty
if (string.IsNullOrWhiteSpace(edmxTypeValue))
{
string propertyName = propertyNode.Attribute(EdmxNodeAttributes.Property_Name).Value;
throw new ApplicationException(string.Format(Resources.Error_PropertyTypeAttributeMissing,
entityOwnerName, propertyName));
}
// Check if it is Nullable
bool isNullable = true;
XAttribute nullableAttribute = propertyNode.Attribute(EdmxNodeAttributes.Property_Nullable);
if (nullableAttribute != null)
{
isNullable = (nullableAttribute.Value == Resources.XmlBoolTrue);
}
// Variables
string outputType = null;
bool outputTypeAdmitsNullable = false;
// Check if it is a supported type and we got the mapping for it
if (PropertyHelper.EdmxCSharpMapping.ContainsKey(edmxTypeValue))
{
// Do the mapping between the EDMX type and the C# type
outputType = PropertyHelper.EdmxCSharpMapping[edmxTypeValue].Name;
outputTypeAdmitsNullable = PropertyHelper.EdmxCSharpMapping[edmxTypeValue].AllowsNullable;
}
else
{
// Get type name without namespce to check if it is a type defined in the EDMX (ComplexType, EnumType)
string edmxTypeName = EdmxHelper.GetNameWithoutNamespace(edmxTypeValue);
// Check if it is a complex type
DTOEntity complexTypeDTO = PropertyHelper.ComplexTypes.FirstOrDefault(ct => ct.Name == edmxTypeName);
if (complexTypeDTO != null)
{
// It is a ComplexType
outputType = complexTypeDTO.NameDTO;
outputTypeAdmitsNullable = true;
}
else if (PropertyHelper.EnumTypes.Exists(e => e.Name == edmxTypeName))
{
// It is an EnumType
outputType = edmxTypeName;
outputTypeAdmitsNullable = true;
}
else
{
// Not a supported Type neither a Type defined in the EDMX
// Use object type and notify the user
outputType = Resources.CSharpTypeObject;
outputTypeAdmitsNullable = true;
string propertyName = propertyNode.Attribute(EdmxNodeAttributes.Property_Name).Value;
// TODO: ffernandez, indicate Project-ProjectItem-Line-Column
VisualStudioHelper.AddToErrorList(TaskErrorCategory.Warning,
string.Format(Resources.Warning_NotSupportedEDMXPropertyType, entityOwnerName, propertyName, edmxTypeValue),
null, null, null, null);
}
}
// Check if it is Nullable and the Type admits Nullable Types
if (isNullable && outputTypeAdmitsNullable)
{
outputType = string.Format(Resources.CSharpTypeNullableT, outputType);
}
return(outputType);
}