public async Task Post(
[FromForm] string payloadJSON,
CancellationToken cancellationToken
)
{
// don't write the extra json around our response, because our response is a file not json
SuppressWrapper = true;
var request = JsonConvert.DeserializeObject <BatchRequest>(payloadJSON);
var setOperations = request.Operations.Select(o => o.Type).ToHashSet();
// if all operations are in this set of types
if (setOperations.All(o => new string[] {
typeof(DownloadZipFileRequest).Name,
}.Any(s => s == o)))
{
var allFileIdentifiers = new List <FileIdentifier>();
// add all FileIdentifiers in the request
allFileIdentifiers.AddRange(request.Operations
.OfType <DownloadZipFileRequest>()
.Where(r => r.FileIdentifier != null)
.Select(d => d.FileIdentifier));
// for each path in the request, load the recursive set of
var pathIdentifiers = request.Operations
.OfType <DownloadZipFileRequest>()
.Where(r => r.PathIdentifier != null)
.Select(d => d.PathIdentifier);
var zipName = "File.zip";
var firstPath = pathIdentifiers?.FirstOrDefault();
var isEDiscoveryPath = EDiscoveryUtility.IsEDiscoveryPath(firstPath);
var firstFile = allFileIdentifiers.Any()
? await api.File.GetAsync(allFileIdentifiers.First())
: null;
if (firstFile != null)
{
var packageName = firstFile.Read <string>(MetadataKeyConstants.E_DISCOVERY_SHARE_PACKGAGE);
if (packageName != null)
{
zipName = PathService.MakeFilenameSafe($"{packageName}.zip");
isEDiscoveryPath = true;
}
}
if (pathIdentifiers.Any())
{
// we're going to assume that all the paths are in the same folder. if not, this
// isn't going to work.
var state = await PathService.OpenFolder(
firstPath as FolderIdentifier,
isEDiscoveryPath,
cancellationToken
);
var packageIdentifier = EDiscoveryUtility.GetPackageIdentifier(firstPath);
if (packageIdentifier != null)
{
foreach (var pathIdentifier in pathIdentifiers)
{
var relativePath = pathIdentifier.RelativeTo(packageIdentifier);
allFileIdentifiers.AddRange(state.Folder.Files.Rows
.Where(f =>
{
var filePath = f.MetaEDiscoveryPathIdentifierRead();
if (filePath == null)
{
return(relativePath.IsRoot);
}
else
{
return(filePath.IsChildOf(relativePath));
}
})
.Where(f => !f.Read <bool>(MetadataKeyConstants.HIDDEN))
.Select(f => f.Identifier)
);
}
}
else
{
foreach (var pathIdentifier in pathIdentifiers)
{
allFileIdentifiers.AddRange(
PathService.GetPathDescendants(state.Folder, pathIdentifier)
.Select(f => f.Identifier)
);
}
}
}
await PathService.DownloadZip(zipName, allFileIdentifiers, Response,
pathGenerator : f => isEDiscoveryPath
?EDiscoveryUtility.MetaEDiscoveryPathIdentifierRead(f)
: APIModelExtensions.MetaPathIdentifierRead(f),
cancellationToken : cancellationToken);
}
}