private void ApplyForeignKeyChanges <TRelatedEntity>(EntityRelationship relationship, IEnumerable <TEntity> entities)
{
var entityMapper = new EntityMapper <TRelatedEntity>();
var defaultId = entityMapper.GetDefaultId();
foreach (var entity in entities)
{
var relatedEntity = (TRelatedEntity)relationship.NavigationProperty.GetValue(entity);
var entityId = relatedEntity == null ? defaultId : entityMapper.GetIdValue(relatedEntity);
relationship.IdProperty.SetValue(entity, entityId);
}
}
#pragma warning restore CRR0026 // Unused member - used via Reflection
private IDbEntityCollection <TRelatedEntity> BuildRelatedEntityCollection <TRelatedEntity>(EntityRelationship relationship, IEnumerable <TEntity> entities)
{
var collection = new DbEntityCollection <TRelatedEntity>();
var entityMapper = new EntityMapper <TRelatedEntity>();
var defaultId = entityMapper.GetDefaultId();
var relatedEntitiesToProcess = new List <TRelatedEntity>();
foreach (var entity in entities)
{
if (relationship.IsCollection)
{
if (relationship.NavigationProperty.GetValue(entity) is ICollection <TRelatedEntity> navigationCollection)
{
relatedEntitiesToProcess.AddRange(navigationCollection);
}
}
else
{
var relatedEntity = (TRelatedEntity)relationship.NavigationProperty.GetValue(entity);
if (relatedEntity != null)
{
relatedEntitiesToProcess.Add(relatedEntity);
}
}
}
foreach (var relatedEntity in relatedEntitiesToProcess)
{
var entityId = entityMapper.GetIdValue(relatedEntity);
if (Equals(entityId, defaultId))
{
collection.Add(relatedEntity);
}
}
return(collection);
}