/// <summary>
/// Initializes the commands and sets <see cref="CredentialTokens"/> to an empty collection.
/// The ViewModel must be activated before use.
/// </summary>
/// <param name="accessList">A list used to look up candidates to get their underlying files.</param>
/// <param name="exportService">Used to export stored files.</param>
/// <param name="proxyProvider">Provider to use for accessing stored databases.</param>
/// <param name="deletePrompter">Service to use for prompting user consent/understanding.</param>
/// <param name="updatePrompter">Service to use for prompting user consent/understanding.</param>
/// <param name="fileService">Service to use for accessing the filesystem.</param>
public CachedFilesViewModel(
IDatabaseAccessList accessList,
IFileExportService exportService,
IFileProxyProvider proxyProvider,
IUserPromptingService deletePrompter,
IUserPromptingService updatePrompter,
IFileAccessService fileService
) : base(accessList, proxyProvider, exportService, deletePrompter, updatePrompter, fileService)
{
this.accessList = accessList;
this.proxyProvider = proxyProvider;
this.deleteAllCommand = new AsyncActionCommand(
async() =>
{
if (await this.proxyProvider.TryDeleteAllProxiesAsync()
.ConfigureAwait(false)
)
{
ClearAllFiles();
}
else
{
// If clearing wasn't successful we might need to add back some
// files.
await ResyncFiles();
}
}
);
}
/// <summary>
/// Initializes the ViewModel with the <see cref="IStorageItemAccessList"/> provided.
/// </summary>
/// <param name="accessList">The access list used to populate the RecentDatabases collection.</param>
/// <param name="motdProvider">Used to provide the message-of-the-day.</param>
/// <param name="proxyProvider">Used to generate database proxy files in the roaming directory.</param>
/// <param name="exportService">Used to export copies of cached files.</param>
/// <param name="deletePrompter">Used to prompt the user for consent/understanding.</param>
/// <param name="updatePrompter">Used to prompt the user for consent/understanding.</param>
/// <param name="fileService">Used to access the filesystem.</param>
public DashboardViewModel(
IDatabaseAccessList accessList,
IMotdProvider motdProvider,
IFileProxyProvider proxyProvider,
IFileExportService exportService,
IUserPromptingService deletePrompter,
IUserPromptingService updatePrompter,
IFileAccessService fileService
) : base(accessList, proxyProvider, exportService, deletePrompter, updatePrompter, fileService)
{
this.motdProvider = motdProvider ?? throw new ArgumentNullException(nameof(motdProvider));
this.proxyProvider = proxyProvider ?? throw new ArgumentNullException(nameof(proxyProvider));
}
public CachedFilesViewModelFactory(
IDatabaseAccessList accessList,
IFileExportService exportService,
IFileProxyProvider proxyProvider,
IUserPromptingService deletePrompter,
IUserPromptingService updatePrompter,
IFileAccessService fileService
)
{
this.accessList = accessList ?? throw new ArgumentNullException(nameof(accessList));
this.exportService = exportService ?? throw new ArgumentNullException(nameof(exportService));
this.proxyProvider = proxyProvider ?? throw new ArgumentNullException(nameof(proxyProvider));
this.deletePrompter = deletePrompter ?? throw new ArgumentNullException(nameof(deletePrompter));
this.updatePrompter = updatePrompter ?? throw new ArgumentNullException(nameof(updatePrompter));
this.fileService = fileService ?? throw new ArgumentNullException(nameof(fileService));
}
/// <summary>
/// Initializes the instance with the services needed to export files.
/// </summary>
/// <param name="accessList">Used to retrieve files from stored tokens.</param>
/// <param name="proxyProvider">Used to manage underlying cached file proxies.</param>
/// <param name="exportService">The service used to export databases.</param>
/// <param name="deletePrompter">A service used to prompt the user for consent to delete a file.</param>
/// <param name="updatePrompter">A service used to prompt the user for consent to update a file.</param>
/// <param name="fileService">A service used to access the filesystem.</param>
protected CachedFileExportingViewModel(
IDatabaseAccessList accessList,
IFileProxyProvider proxyProvider,
IFileExportService exportService,
IUserPromptingService deletePrompter,
IUserPromptingService updatePrompter,
IFileAccessService fileService
)
{
this.accessList = accessList ?? throw new ArgumentNullException(nameof(accessList));
this.proxyProvider = proxyProvider ?? throw new ArgumentNullException(nameof(proxyProvider));
this.exportService = exportService ?? throw new ArgumentNullException(nameof(exportService));
this.deletePrompter = deletePrompter ?? throw new ArgumentNullException(nameof(deletePrompter));
this.updatePrompter = updatePrompter ?? throw new ArgumentNullException(nameof(updatePrompter));
this.fileService = fileService ?? throw new ArgumentNullException(nameof(fileService));
this.data = new ObservableCollection <StoredFileDescriptor>(
this.accessList.Entries.Select(entry => new StoredFileDescriptor(entry))
);
this.readOnlyData = new ReadOnlyObservableCollection <StoredFileDescriptor>(this.data);
}
