public static async Task <string> GetPreviousVersionGuid(string branch, string versionGuid, bool retry = true)
{
StudioDeployLogs deployLogs = await GetDeployLogs(branch);
if (deployLogs.LookupFromGuid.ContainsKey(versionGuid))
{
StudioDeployLog currentLog = deployLogs.LookupFromGuid[versionGuid];
int previousVersion = currentLog.Version - 1;
if (deployLogs.LookupFromVersion.ContainsKey(previousVersion))
{
StudioDeployLog previousLog = deployLogs.LookupFromVersion[previousVersion];
return(previousLog.VersionGuid);
}
else
{
throw new Exception("Could not resolve previous version.");
}
}
else if (retry)
{
// The cache might be invalid now? Try rebuilding it.
Logs.Remove(branch);
return(await GetPreviousVersionGuid(branch, versionGuid, false));
}
else
{
throw new Exception("Unknown version guid: " + versionGuid);
}
}
private void Add(StudioDeployLog deployLog)
{
// Add by version guid
if (!LookupFromGuid.ContainsKey(deployLog.VersionGuid))
{
LookupFromGuid.Add(deployLog.VersionGuid, deployLog);
}
// Add by version info
if (!LookupFromVersion.ContainsKey(deployLog.Version) && deployLog.Patch == 0)
{
LookupFromVersion.Add(deployLog.Version, deployLog);
}
}
private void InitializeLogs(string deployHistory)
{
MatchCollection matches = Regex.Matches(deployHistory, MatchLog);
foreach (Match match in matches)
{
string[] data = match.Groups.Cast <Group>()
.Select(group => group.Value)
.Where(value => value.Length != 0)
.ToArray();
StudioDeployLog deployLog = new StudioDeployLog();
deployLog.VersionGuid = data[1];
int.TryParse(data[2], out deployLog.MajorRev);
int.TryParse(data[3], out deployLog.Version);
int.TryParse(data[4], out deployLog.Patch);
int.TryParse(data[5], out deployLog.Changelist);
Add(deployLog);
}
}
