/// If no version specified and atom does not exist, creates atom with default version "1.0.0"
/// If no version specified and atom does exist, or there is an atom with specified version,
/// creates new version with the same major and middle versions and incremented minor version
public async Task <AtomId> AddAsync(AtomId atomId, IEnumerable <AtomId> dependencies, byte[] content)
{
if (await ExistsExactAsync(atomId))
{
throw new ArgumentException(string.Format(AtomAlreadyExists,
atomId.Kind,
atomId.Name,
atomId.Version));
}
var version = atomId.Version ?? await LastVersionAsync(atomId.Kind, atomId.Name);
if (atomId.Version == null && version != null)
{
VersionUtils.TryParse(version, out int major, out int?middle, out int?minor, out string name);
version = VersionUtils.Serialize(major,
middle.GetValueOrDefault(),
minor.GetValueOrDefault() + 1,
null);
}
else if (atomId.Version == null)
{
version = AtomId.DefaultVersion;
}
var dbAtom = new Atom
{
Kind = atomId.Kind,
Name = atomId.Name,
Version = version,
};
await _context.Atoms.AddAsync(dbAtom);
dependencies = await FetchVersionsAsync(dependencies);
var depRefs = dependencies.Select(depId =>
_context.Atoms.Single(a =>
a.Kind == depId.Kind && a.Name == depId.Name && a.Version == depId.Version));
var dbDeps = from dep in depRefs
select new AtomDependency
{
Dependent = dbAtom,
Dependency = dep
};
await _context.AtomDependencies.AddRangeAsync(dbDeps);
var dbContent = new AtomContent
{
Atom = dbAtom,
Content = content
};
await _context.AtomContents.AddAsync(dbContent);
await _context.SaveChangesAsync();
return(new AtomId(atomId.Kind, atomId.Name, version));
}