void DownloadWorker_DoWork(object sender, DoWorkEventArgs e)
{
DownloadArguments args = (DownloadArguments)e.Argument;
RemoteIndex remoteIndex = WebAPI.GetIndex();
// determine files to delete
AddonGroup addonGroup = args.AddonGroup;
foreach (RemoteAddon webAddon in addonGroup.RemoteAddons)
{
Uuid webAddonUuid = webAddon.Uuid;
if (!FileIndexer.Instance.addonUuidToLocalAddonMap.ContainsKey(webAddonUuid))
{
continue;
}
RemoteAddon remAddon = remoteIndex.FilesIndex[webAddon.Uuid];
List <LocalAddon> localAddons = FileIndexer.Instance.addonUuidToLocalAddonMap[webAddonUuid];
foreach (LocalAddon localAddon in localAddons)
{
List <FilePath> removals = new();
foreach (LocalFileIndex fileIndex in localAddon.Files.Values)
{
FilePath relativeFilepath = fileIndex.Relative_filepath;
if (!remAddon.Files.ContainsKey(relativeFilepath.Replace("\\", "/")))
{
FilePath filePath = fileIndex.Absolute_filepath;
Log.Debug("deleting " + filePath);
removals.Add(filePath);
File.Delete(@filePath.Value);
}
}
foreach (FilePath removal in removals)
{
localAddon.Files.Remove(removal);
}
}
}
// determine files to download
downloadManager = new DownloadManager(args.AddonGroup);
downloadManager.StateChanged += DownloadManager_StateChanged;
downloadManager.ProgressChanged += DownloadManager_ProgressChanged;
foreach (RemoteAddon webAddon in addonGroup.RemoteAddons)
{
RemoteAddon remoteAddon = FileIndexer.Instance.RemoteIndex.FilesIndex[webAddon.Uuid];
Uuid uuid = webAddon.Uuid;
string name = webAddon.Name;
if (!remoteAddon.Uuid.Equals(uuid))
{
throw new InvalidOperationException(string.Format("uuid {0} of local addon {1} does not match remote uuid {2} of addon {3}", uuid, name, remoteAddon.Uuid, remoteAddon.Name));
}
FilePath destinationFolder = args.DownloadDirectoryDict[webAddon];
if (!FileIndexer.Instance.addonUuidToLocalAddonMap.ContainsKey(uuid))
{
// download all
foreach (RemoteAddonFile remoteAddonFile in remoteAddon.Files.Values)
{
FilePath remoteFilePath = remoteAddonFile.Path;
FilePath destinationFilePath = FilePath.Combine(destinationFolder, remoteFilePath.Replace("/", "\\"));
downloadManager.AddDownload(WebAPI.RepoUrl + "/" + remoteFilePath.OriginalValue, destinationFilePath, remoteAddonFile.Size);
}
}
else
{
Dictionary <FilePath, LocalFileIndex> relativeFilePathToFileIndexMap = new();
List <LocalAddon> localAddons = FileIndexer.Instance.addonUuidToLocalAddonMap[uuid];
foreach (LocalAddon localAddon in localAddons)
{
foreach (LocalFileIndex fileIndex in localAddon.Files.Values)
{
relativeFilePathToFileIndexMap.Add(fileIndex.Relative_filepath, fileIndex);
}
}
// parts of the addon already exist, update existing and download missing
foreach (RemoteAddonFile remoteAddonFile in remoteAddon.Files.Values)
{
FilePath remoteFilePath = remoteAddonFile.Path.Replace("/", "\\");
string remoteHash = remoteAddonFile.Hash;
if (relativeFilePathToFileIndexMap.ContainsKey(remoteFilePath))
{
LocalFileIndex localFileIndex = relativeFilePathToFileIndexMap[remoteFilePath];
if (!remoteHash.Equals(localFileIndex.Hash))
{
FilePath destinationFilepath = FilePath.Combine(destinationFolder, remoteFilePath);
downloadManager.AddDownload(WebAPI.RepoUrl + "/" + remoteFilePath.OriginalValue, destinationFilepath, remoteAddonFile.Size);
}
}
else
{
FilePath destinationFilepath = FilePath.Combine(destinationFolder, remoteFilePath);
downloadManager.AddDownload(WebAPI.RepoUrl + "/" + remoteFilePath.OriginalValue, destinationFilepath, remoteAddonFile.Size);
}
}
}
}
downloadManager.StartDownloads();
}
public static RemoteIndex GetIndex()
{
using WebClient wc = new();
var json = wc.DownloadString(IndexUrl);
var jRoot = JObject.Parse(json);
Dictionary <Uuid, RemoteAddon> filesIndex = new();
JToken jFilesIndex = jRoot["files_index"];
foreach (JToken jFileIndexTuple in jFilesIndex)
{
JToken value = ((JProperty)jFileIndexTuple).Value;
string addonName = (string)value["name"];
Uuid addonUuid = new((string)value["uuid"]);
string addonVersion = (string)value["version"];
Dictionary <FilePath, RemoteAddonFile> files = new();
var jAddonFiles = value["files"];
foreach (JToken jAddonFile in jAddonFiles)
{
JToken jAddonFileValue = ((JProperty)jAddonFile).Value;
string addonFileHash = (string)jAddonFileValue["hash"];
FilePath addonFilePath = new((string)jAddonFileValue["path"]);
long addonFileSize = (long)jAddonFileValue["size"];
RemoteAddonFile remoteAddonFile = new()
{
Hash = addonFileHash,
Path = addonFilePath,
Size = addonFileSize,
};
files.Add(addonFilePath, remoteAddonFile);
}
RemoteAddon remoteAddon = new()
{
Uuid = addonUuid,
Name = addonName,
Version = addonVersion,
Files = files,
};
filesIndex.Add(addonUuid, remoteAddon);
}
List <AddonGroup> addonGroups = new();
JToken jAddonGroups = jRoot["addon_groups"];
foreach (JToken jAddonGroup in jAddonGroups)
{
string addonGroupAuthor = (string)jAddonGroup["author"];
string addonGroupName = (string)jAddonGroup["name"];
string addonGroupUuid = (string)jAddonGroup["uuid"];
string addonGroupVersion = (string)jAddonGroup["version"];
List <RemoteAddon> addons = new();
var jAddonUuids = jAddonGroup["addons"];
foreach (JToken jAddonUuid in jAddonUuids)
{
Uuid addonUuid = new((string)jAddonUuid);
Debug.Assert(filesIndex.ContainsKey(addonUuid));
RemoteAddon remoteAddon = filesIndex[addonUuid];
Debug.Assert(remoteAddon.Uuid.Equals(addonUuid));
addons.Add(remoteAddon);
}
AddonGroup addonGroup = new(addonGroupName, addonGroupAuthor, addonGroupUuid, addonGroupVersion, addons);
addonGroups.Add(addonGroup);
}
return(new RemoteIndex()
{
AddonGroups = addonGroups,
FilesIndex = filesIndex
});
}