public IObservable <ImmutableList <BranchGroupCompleteData> > AllBranchesHierarchy()
{
return((
// TODO - should be more efficient with SQL here.
branchSettings.GetAllDownstreamBranches()
.SelectMany(allBranches =>
allBranches.ToObservable().SelectMany(async branch => new BranchGroupCompleteData(branch)
{
DownstreamBranchGroups = (await branchSettings.GetDownstreamBranches(branch.GroupName).FirstOrDefaultAsync()).Select(b => b.GroupName).ToImmutableList()
}).ToArray()
)
.Select(branches => branches.ToImmutableList())
.CombineLatest(
repositoryState.RemoteBranches(),
(first, second) => new { first, second }
)
.SelectMany(async param =>
(await GroupBranches(param.first, param.second, ToDefaultBranchGroup))
.OrderBy(a => a.GroupName)
.Select(a => new BranchGroupCompleteData(a)
{
DownstreamBranchGroups = a.DownstreamBranchGroups ?? ImmutableList <string> .Empty,
})
.ToImmutableList()
)
).FirstAsync());
}
public async Task <string[]> DownstreamBranches(string branchName)
{
return(await branchSettings.GetDownstreamBranches(branchName).FirstAsync());
}