public async Task <bool> AddRepresentation(Representation representation)
{
using (var transaction = await _context.Database.BeginTransactionAsync().ConfigureAwait(false))
{
var result = true;
try
{
var record = new Model.Representation
{
Id = representation.Id,
Created = representation.Created,
LastModified = representation.LastModified,
ResourceType = representation.ResourceType,
Version = representation.Version,
Attributes = GetRepresentationAttributes(representation)
};
_context.Representations.Add(record);
await _context.SaveChangesAsync().ConfigureAwait(false);
transaction.Commit();
}
catch
{
result = false;
transaction.Rollback();
}
return(result);
}
}
private List <RepresentationAttribute> GetRepresentationAttributes(Model.Representation representation)
{
if (representation.Attributes == null)
{
return(new List <RepresentationAttribute>());
}
return(GetRepresentationAttributes(representation.Attributes));
}
public static Model.Representation SetData(this Model.Representation representation, Domain.Representation repr)
{
if (repr == null)
{
throw new ArgumentNullException(nameof(repr));
}
representation.Created = repr.Created;
representation.LastModified = repr.LastModified;
representation.ResourceType = repr.ResourceType;
representation.Version = repr.Version;
return(representation);
}
public static Domain.Representation ToDomain(this Model.Representation representation)
{
if (representation == null)
{
throw new ArgumentNullException(nameof(representation));
}
return(new Domain.Representation
{
Id = representation.Id,
Created = representation.Created,
LastModified = representation.Created,
ResourceType = representation.ResourceType,
Version = representation.Version
});
}
private List <RepresentationAttribute> GetRepresentationAttributes(Model.Representation representation)
{
if (representation.Attributes == null)
{
return(new List <RepresentationAttribute>());
}
var result = new List <RepresentationAttribute>();
foreach (var attribute in representation.Attributes)
{
var transformed = _transformers.Transform(attribute);
if (transformed == null)
{
continue;
}
result.Add(transformed);
}
return(result);
}