/// <summary>
/// Fetch things from Github, returning a complete CkanModule document.
/// </summary>
private static JObject GitHub(JObject orig_metadata, string repo, NetFileCache cache)
{
// Find the release on github and download.
GithubRelease release = GithubAPI.GetLatestRelease(repo);
if (release == null)
{
log.Error("Downloaded releases for " + repo + " but there were none");
return null;
}
string filename = release.Download((string) orig_metadata["identifier"], cache);
// Extract embedded metadata, or use what we have.
JObject metadata = MetadataFromFileOrDefault(filename, orig_metadata);
// Check if we should auto-inflate.
string kref = (string)metadata[expand_token];
if (kref == (string)orig_metadata[expand_token] || kref == "#/ckan/github")
{
log.InfoFormat("Inflating from github metadata... {0}", metadata[expand_token]);
release.InflateMetadata(metadata, filename, repo);
metadata.Remove(expand_token);
}
else
{
log.WarnFormat("Not inflating metadata for {0}", orig_metadata["identifier"]);
}
return metadata;
}
/// <summary>
/// Repository is in the form "Author/Repo". Eg: "pjf/DogeCoinFlag".
/// </summary>
public static GithubRelease GetLatestRelease(string repository, bool prerelease)
{
string assetFilter = ".zip";
int asset_match_index = repository.IndexOf(asset_match);
if (asset_match_index > -1)
{
assetFilter = repository.Substring(asset_match_index + asset_match.Length);
repository = repository.Substring(0, asset_match_index);
log.DebugFormat("Asset Filter: '{0}'", assetFilter);
}
string json = Call("repos/" + repository + "/releases");
log.Debug("Parsing JSON...");
JArray releases = JArray.Parse(json);
string releaseType = prerelease ? "pre-" : "stable";
log.Debug("Parsed, finding most recent " + releaseType + " release");
// Finding the most recent *stable* release means filtering
// out on pre-releases.
GithubRelease result = null;
foreach (JObject release in releases)
{
// First, check for prerelease status...
if (prerelease == (bool)release ["prerelease"])
{
JArray assets = (JArray)release ["assets"];
foreach (JObject asset in assets)
{
// Then, check against the regex, which might default to ".zip"
if (Regex.IsMatch((string)asset ["name"], assetFilter, RegexOptions.IgnoreCase))
{
log.DebugFormat("Hit on {0}", asset.ToString());
result = new GithubRelease(release, asset);
return(result);
}
}
}
}
return(result);
}
