private Image(Id id, uint rowVersion, Instant uploadedAt, Option <byte[]> meta, Color fillColor, Color edgeColor, Md5 md5, IReadOnlyCollection <ImageSize> sizes)
{
Id = id;
RowVersion = rowVersion;
UploadedAt = uploadedAt;
Meta = meta;
FillColor = fillColor;
EdgeColor = edgeColor;
Md5 = md5;
Sizes = sizes;
}
public static Result <Image, Error> New(Id id, uint rowVersion, Instant uploadedAt, Option <byte[]> meta, Color fillColor, Color edgeColor, Md5 md5, IReadOnlyCollection <ImageSize> sizes)
{
if (rowVersion < 1u)
{
return(Result.Failure(Error.ValidationError("Row version must be greater than 0")));
}
if (sizes.Select(s => s.Tag).Distinct().Count() < sizes.Count)
{
return(Result.Failure(Error.ValidationError("Sizes must have unique tags")));
}
return(Result.Success(new Image(id, rowVersion, uploadedAt, meta, fillColor, edgeColor, md5, sizes)));
}