public virtual void AddNavigationProperties([NotNull] EntityConfiguration entityConfiguration)
{
Check.NotNull(entityConfiguration, nameof(entityConfiguration));
foreach (var otherEntityType in entityConfiguration.EntityType
.Model.EntityTypes.Where(et => et != entityConfiguration.EntityType))
{
// set up the navigation properties for foreign keys from another EntityType
// which reference this EntityType (i.e. this EntityType is the principal)
foreach (var foreignKey in otherEntityType
.GetForeignKeys().Where(fk => fk.PrincipalEntityType == entityConfiguration.EntityType))
{
if (((EntityType)otherEntityType)
.FindAnnotation(RelationalMetadataModelProvider.AnnotationNameEntityTypeError) != null)
{
entityConfiguration.NavigationPropertyConfigurations.Add(
new NavigationPropertyConfiguration(
RelationalDesignStrings.UnableToAddNavigationProperty(otherEntityType.Name)));
}
else
{
var referencedType = foreignKey.IsUnique
? otherEntityType.Name
: "ICollection<" + otherEntityType.Name + ">";
var navPropConfiguration =
new NavigationPropertyConfiguration(
referencedType,
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNamePrincipalEndNavPropName]);
if (foreignKey.PrincipalKey.IsPrimaryKey())
{
navPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(InversePropertyAttribute),
CSharpUtilities.DelimitString(
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNameDependentEndNavPropName])));
}
entityConfiguration.NavigationPropertyConfigurations.Add(
navPropConfiguration);
}
}
}
foreach (var foreignKey in entityConfiguration.EntityType.GetForeignKeys())
{
// set up the navigation property on this end of foreign keys owned by this EntityType
// (i.e. this EntityType is the dependent)
var dependentEndNavPropConfiguration =
new NavigationPropertyConfiguration(
foreignKey.PrincipalEntityType.Name,
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNameDependentEndNavPropName]);
if (foreignKey.PrincipalKey.IsPrimaryKey())
{
dependentEndNavPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(ForeignKeyAttribute),
CSharpUtilities.DelimitString(
string.Join(",", foreignKey.Properties.Select(p => p.Name)))));
dependentEndNavPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(InversePropertyAttribute),
CSharpUtilities.DelimitString(
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNamePrincipalEndNavPropName])));
}
entityConfiguration.NavigationPropertyConfigurations.Add(
dependentEndNavPropConfiguration);
// set up the other navigation property for self-referencing foreign keys owned by this EntityType
if (((ForeignKey)foreignKey).IsSelfReferencing())
{
var referencedType = foreignKey.IsUnique
? foreignKey.DeclaringEntityType.Name
: "ICollection<" + foreignKey.DeclaringEntityType.Name + ">";
var principalEndNavPropConfiguration = new NavigationPropertyConfiguration(
referencedType,
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNamePrincipalEndNavPropName]);
principalEndNavPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(InversePropertyAttribute),
CSharpUtilities.DelimitString(
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNameDependentEndNavPropName])));
entityConfiguration.NavigationPropertyConfigurations.Add(
principalEndNavPropConfiguration);
}
}
}
public virtual void AddNavigationPropertyConfiguration(
[NotNull] NavigationPropertyConfiguration navigationPropertyConfiguration)
{
}
public virtual void AddNavigationProperties([NotNull] EntityConfiguration entityConfiguration)
{
Check.NotNull(entityConfiguration, nameof(entityConfiguration));
foreach (var otherEntityType in entityConfiguration.EntityType
.Model.EntityTypes.Where(et => et != entityConfiguration.EntityType))
{
// set up the navigation properties for foreign keys from another EntityType
// which reference this EntityType (i.e. this EntityType is the principal)
foreach (var foreignKey in otherEntityType
.GetForeignKeys().Where(fk => fk.PrincipalEntityType == entityConfiguration.EntityType))
{
if (((EntityType)otherEntityType)
.FindAnnotation(RelationalMetadataModelProvider.AnnotationNameEntityTypeError) != null)
{
entityConfiguration.NavigationPropertyConfigurations.Add(
new NavigationPropertyConfiguration(
RelationalDesignStrings.UnableToAddNavigationProperty(otherEntityType.Name)));
}
else
{
var referencedType = foreignKey.IsUnique
? otherEntityType.Name
: "ICollection<" + otherEntityType.Name + ">";
var navPropConfiguration =
new NavigationPropertyConfiguration(
referencedType,
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNamePrincipalEndNavPropName]);
if (foreignKey.PrincipalKey.IsPrimaryKey())
{
navPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(InversePropertyAttribute),
CSharpUtilities.DelimitString(
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNameDependentEndNavPropName])));
}
entityConfiguration.NavigationPropertyConfigurations.Add(
navPropConfiguration);
}
}
}
foreach (var foreignKey in entityConfiguration.EntityType.GetForeignKeys())
{
// set up the navigation property on this end of foreign keys owned by this EntityType
// (i.e. this EntityType is the dependent)
var dependentEndNavPropConfiguration =
new NavigationPropertyConfiguration(
foreignKey.PrincipalEntityType.Name,
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNameDependentEndNavPropName]);
if(foreignKey.PrincipalKey.IsPrimaryKey())
{
dependentEndNavPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(ForeignKeyAttribute),
CSharpUtilities.DelimitString(
string.Join(",", foreignKey.Properties.Select(p => p.Name)))));
dependentEndNavPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(InversePropertyAttribute),
CSharpUtilities.DelimitString(
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNamePrincipalEndNavPropName])));
}
entityConfiguration.NavigationPropertyConfigurations.Add(
dependentEndNavPropConfiguration);
// set up the other navigation property for self-referencing foreign keys owned by this EntityType
if (((ForeignKey)foreignKey).IsSelfReferencing())
{
var referencedType = foreignKey.IsUnique
? foreignKey.DeclaringEntityType.Name
: "ICollection<" + foreignKey.DeclaringEntityType.Name + ">";
var principalEndNavPropConfiguration = new NavigationPropertyConfiguration(
referencedType,
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNamePrincipalEndNavPropName]);
principalEndNavPropConfiguration.AttributeConfigurations.Add(
new AttributeConfiguration(
nameof(InversePropertyAttribute),
CSharpUtilities.DelimitString(
(string)foreignKey[RelationalMetadataModelProvider.AnnotationNameDependentEndNavPropName])));
entityConfiguration.NavigationPropertyConfigurations.Add(
principalEndNavPropConfiguration);
}
}
}
