/// <summary>
/// Get any downloaded inventory file of the Glacier vault,
/// build a view model with statuses of any Archive jobs and return
/// </summary>
public static ArchiveModelList GetArchiveModel()
{
// Look for downloaded inventory
var inventoryFile = Path.Combine(GetTempDirectory(), InventoryFileName);
if (File.Exists(inventoryFile))
{
// Found inventory, return model with the statuses of any related topics found
using (var file = File.Open(inventoryFile, FileMode.Open))
{
Debug.WriteLine("Getting Archive Model");
var s = new DataContractJsonSerializer(typeof(Inventory));
var inventory = (Inventory)s.ReadObject(file);
var dt = DateTime.Parse(inventory.InventoryDate);
var model = new ArchiveModelList {
InventoryDate = dt
};
foreach (var archive in inventory.ArchiveList)
{
var topicFile = GetArchiveTopicFileName(archive.ArchiveId);
var status = GetExistingTopic(topicFile)?.Status ?? GlacierResult.NoJob;
model.Add(new ArchiveModel
{
ArchiveId = archive.ArchiveId,
Description = archive.ArchiveDescription,
GlacierJobStatus = status,
Size = archive.Size,
ArchiveTopicFilePath = Path.Combine(GetTempDirectory(), topicFile)
});
}
// Delete topic files which are not related to the inventory
var topicFiles = Directory.GetFiles(
GetTempDirectory(), "glacier.archive*.topic", SearchOption.TopDirectoryOnly);
var toDelete = from t in topicFiles
where !model.Exists(m => m.ArchiveTopicFilePath == t)
select t;
toDelete.ToList().ForEach(t =>
{
File.Delete(Path.Combine(GetTempDirectory(), t));
Debug.WriteLine($"Deleted {t}");
});
// Update inventory model file
SaveInventoryModelAsync(model);
return(model);
}
}
Debug.WriteLine("WARNING: no inventory model");
return(null);
}
private static async void SaveInventoryModelAsync(ArchiveModelList model)
{
var localFolder = ApplicationData.Current.LocalFolder;
var formatter = new DataContractSerializer(typeof(ArchiveModelList));
var inventoryModelFileName = Path.Combine(localFolder.Path, InventoryModelFileName);
StorageFile file = await localFolder.CreateFileAsync(SettingsName, CreationCollisionOption.ReplaceExisting);
MemoryStream stream = new MemoryStream();
formatter.WriteObject(stream, model);
await FileIO.WriteBytesAsync(file, stream.ToArray());
Debug.WriteLine("Saved inventory model");
}