private static DataEntity Translate(EntityMetadata md)
{
DataEntity de = new DataEntity();
de.Id = md.Id;
de.Signature = new Signature(Convert.FromBase64String(md.Signature));
de.Payload = new FilePayload(Convert.FromBase64String(md.Name), md.Size);
de.Attributes = new List<Attribute>();
foreach (EntityAttribute a in md.Attributes)
{
de.Attributes.Add(new Attribute(a.Id, Convert.FromBase64String(a.Keyword)));
}
de.AesInfo = new AesEncryptionInfo(Convert.FromBase64String(md.AesKey), Convert.FromBase64String(md.AesIV));
return de;
}
public void InsertDataEntity(Guid userId, DataEntity dataEntity)
{
LoadEntityMetadata();
AuthorMetadata author;
List<AuthorMetadata> authors = this.metadata.Authors.Where(a => a.AuthorId == userId).ToList();
if (authors.Count == 1)
{
author = authors[0];
}
else
{
author = new AuthorMetadata();
this.metadata.Authors.Add(author);
author.AuthorId = userId;
}
author.EntityIds.Add(new EntityId(dataEntity.Id));
foreach (Attribute attribute in dataEntity.Attributes)
{
AttributeMetadata am;
Attribute modifiedClosureCopy = attribute;
List<AttributeMetadata> ams = this.metadata.Attributes.Where(a => a.AttributeId == modifiedClosureCopy.Id).ToList();
if (ams.Count == 1)
{
am = ams[0];
}
else
{
am = new AttributeMetadata();
this.metadata.Attributes.Add(am);
am.AttributeId = attribute.Id;
}
am.EntityIds.Add(new EntityId(dataEntity.Id));
}
EntityMetadata entity;
List<EntityMetadata> entities = this.metadata.Entities.Where(e => e.Id == dataEntity.Id).ToList();
if (entities.Count == 1)
{
entity = entities[0];
}
else
{
entity = new EntityMetadata();
this.metadata.Entities.Add(entity);
}
entity.Id = dataEntity.Id;
entity.Signature = Convert.ToBase64String(dataEntity.Signature.Value);
foreach (Attribute attribute in dataEntity.Attributes)
{
entity.Attributes.Add(new EntityAttribute(attribute.Id, Convert.ToBase64String(attribute.Keyword)));
}
entity.Name = Convert.ToBase64String(dataEntity.Payload.Name);
entity.Size = dataEntity.Payload.Size;
entity.AesKey = Convert.ToBase64String(dataEntity.AesInfo.Key);
entity.AesIV = Convert.ToBase64String(dataEntity.AesInfo.IV);
SaveEntityMetadata();
File.WriteAllBytes(Path.Combine(this.entityDirPath, dataEntity.Id.ToString()), dataEntity.Payload.Content);
}