async Task <WorkspaceEntryInfo[]> IWorkspacesManager.LoadWorkspace(string workspaceUri, CancellationToken cancellation)
{
try
{
SetStatus(WorkspacesManagerStatus.LoadingWorkspace);
SetLastError(null);
WorkspaceDTO workspace = await backendAccess.GetWorkspace(workspaceUri, cancellation);
await LoadEmbeddedStorageEntries(workspace, cancellation);
SetCurrentWorkspace(new WorkspaceInfo()
{
Name = workspace.id,
Annotation = workspace.annotation,
WebUrl = workspace.selfLaunchUrl
});
SetStatus(WorkspacesManagerStatus.LoadingWorkspaceData);
await LoadArchivedStorageEntries(workspace.entriesArchiveUrl, cancellation);
if (backendAccess.IsConfigured)
{
SetStatus(WorkspacesManagerStatus.AttachedToDownloadedWorkspace);
}
else
{
SetStatus(WorkspacesManagerStatus.Unavailable);
}
recentlyUsedEntities.RegisterRecentWorkspaceEntry(workspace.selfUrl, workspace.id, workspace.annotation);
return(workspace
.sources
.Select(source => new WorkspaceEntryInfo()
{
Log = new RecentLogEntry(logProviderFactoryRegistry, source.connectionString, null, null),
IsHiddenLog = source.hidden
})
.ToArray());
}
catch (Exception e)
{
tracer.Error(e, "failed to load ws '{0}'", workspaceUri);
SetLastError(e.Message);
if (backendAccess.IsConfigured)
{
SetStatus(WorkspacesManagerStatus.FailedToDownloadWorkspace);
}
else
{
SetStatus(WorkspacesManagerStatus.Unavailable);
}
return(new WorkspaceEntryInfo[] { });
}
}
private async Task LoadEmbeddedStorageEntries(WorkspaceDTO workspace, CancellationToken cancellation)
{
foreach (var embeddedStorageEntry in workspace.embeddedStorageEntries)
{
var entry = storageManager.GetEntryById(embeddedStorageEntry.id);
foreach (var embeddedStorageSection in embeddedStorageEntry.sections)
{
using (var sectionStream = new MemoryStream(Convert.FromBase64String(embeddedStorageSection.value)))
await entry.LoadSectionFromSnapshot(embeddedStorageSection.id, sectionStream, cancellation);
}
}
}
private async Task <CreatedWorkspaceDTO> CreateWorkspace(
string name, string annotation, bool allowOverwrite,
List <KeyValuePair <string, Stream> > entriesToArchive)
{
var dto = new WorkspaceDTO()
{
id = name,
annotation = annotation,
allowOverwrite = allowOverwrite
};
var sources = logSources.Items.ToArray();
dto.sources.AddRange(sources.Select(source => new WorkspaceDTO.Source()
{
connectionString = new RecentLogEntry(source.Provider.Factory, source.Provider.ConnectionParams, source.Annotation, null).ToString(),
hidden = !source.Visible
}));
var entries = sources.Select(logSource => logSource.LogSourceSpecificStorageEntry).ToArray();
var entriesArchiveFolderName = tempFilesManager.GenerateNewName();
Directory.CreateDirectory(entriesArchiveFolderName);
foreach (var entry in entries)
{
var dtoEntry = new WorkspaceDTO.EmbeddedStorageEntry()
{
id = entry.Id
};
dto.embeddedStorageEntries.Add(dtoEntry);
var sections = entry.EnumSections(CancellationToken.None).ToArray();
foreach (var section in sections)
{
if (section.Key == "bookmarks" || section.Key == "settings") // todo: hardcoded strings
{
using (var stream = new MemoryStream())
{
await entry.TakeSectionSnapshot(section.Id, stream);
dtoEntry.sections.Add(new WorkspaceDTO.EmbeddedStorageSection()
{
id = section.Id,
value = Convert.ToBase64String(stream.GetBuffer(), 0, (int)stream.Length, Base64FormattingOptions.None)
});
}
}
else
{
var tempFileStream = new FileStream(
Path.Combine(entriesArchiveFolderName, entriesToArchive.Count.ToString()),
FileMode.CreateNew,
FileAccess.ReadWrite,
FileShare.None,
4096,
FileOptions.DeleteOnClose);
await entry.TakeSectionSnapshot(section.Id, tempFileStream);
entriesToArchive.Add(new KeyValuePair <string, Stream>(
entry.Id + Path.DirectorySeparatorChar + section.Id, tempFileStream));
}
}
}
var createdWs = await backendAccess.CreateWorkspace(dto);
return(createdWs);
}
