/// <summary>
/// Initializes a new instance of the <see cref="UpdateEntryDto"/> class.
/// </summary>
/// <param name="entry">The state entry of an entity.</param>
/// <param name="mapper">The <see cref="IDynamicObjectMapper" /> used for mapping the property values.</param>
public UpdateEntryDto(IUpdateEntry entry, IDynamicObjectMapper mapper)
{
DynamicObject CreateValueDto(IProperty propertyBase, object value)
{
value = Utils.ConvertToProvider(value, propertyBase);
return(mapper.MapObject(value));
}
this.EntityTypeName = entry.EntityType.DisplayName();
this.EntityState = entry.EntityState;
this.PropertyDatas = entry.ToEntityEntry().Properties.Select(
prop => new PropertyData
{
Name = prop.Metadata.Name,
OriginalValueDto = prop.Metadata.GetOriginalValueIndex() >= 0 ? CreateValueDto(prop.Metadata, prop.OriginalValue) : null,
CurrentValueDto = CreateValueDto(prop.Metadata, prop.CurrentValue),
IsModified = prop.IsModified,
IsTemporary = prop.IsTemporary,
}).ToList();
if (entry.EntityType.HasDefiningNavigation())
{
var ownership = entry.EntityType.GetForeignKeys().Single(fk => fk.IsOwnership);
this.DelegatedIdentityDatas = ownership.Properties.Select(
prop => new PropertyData
{
Name = prop.Name,
OriginalValueDto = CreateValueDto(prop, entry.GetOriginalValue(prop)),
CurrentValueDto = CreateValueDto(prop, entry.GetCurrentValue(prop)),
IsModified = entry.IsModified(prop),
IsTemporary = entry.HasTemporaryValue(prop),
}).ToList();
}
}
public static WriteModel <TEntity> ToMongoDbWriteModel <TEntity>([NotNull] this IUpdateEntry updateEntry)
{
Check.NotNull(updateEntry, nameof(updateEntry));
if (!typeof(TEntity).GetTypeInfo().IsAssignableFrom(updateEntry.EntityType.ClrType))
{
throw new InvalidOperationException($"Entity must derive from {nameof(TEntity)}.");
}
if (updateEntry.EntityState != EntityState.Added &&
updateEntry.EntityState != EntityState.Modified &&
updateEntry.EntityState != EntityState.Deleted)
{
throw new InvalidOperationException($"Entity state must be Added, Modified, or Deleted.");
}
WriteModel <TEntity> writeModel;
switch (updateEntry.EntityState)
{
case EntityState.Added:
writeModel = ToInsertModel <TEntity>(updateEntry as InternalEntityEntry);
break;
case EntityState.Modified:
writeModel = new ReplaceOneModel <TEntity>(
GetIdFilter <TEntity>(updateEntry),
(TEntity)updateEntry.ToEntityEntry().Entity);
break;
default:
writeModel = new DeleteOneModel <TEntity>(GetIdFilter <TEntity>(updateEntry));
break;
}
return(writeModel);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual void Create(IUpdateEntry entry)
{
var key = CreateKey(entry);
_docrows.Insert(BsonMapper.Global.ToDocument(entry.ToEntityEntry().Entity));
}
