public FileDataService(
IDirectoryDataService directorySetupService,
INotificationCenterService notificationCenterService,
ISettingsService settingsService)
: base(settingsService, notificationCenterService)
{
this._directorySetupService = directorySetupService;
this._notificationCenterService = notificationCenterService;
this._settingsService = settingsService;
_getFullFileInfo = this._directorySetupService
.Get()
.Connect()
.LeftJoinMany(
this.cache.Connect(),
(dirSetup) => dirSetup.DirectorySetupId,
(left, right) => right.Items.Select(item => new FileInfoEx(left, item))
)
.TransformMany(x => x, x => x.FileInfo.Id)
.TakeUntil(destroy)
.AsObservableCache();
_getFullFIleInfoByHash = this._getFullFileInfo
.Connect()
.Filter(file => FileInfoHashKey.CanBuild(file.FileInfo))
.ChangeKey(file => file.FileInfo.HashKey.Value)
.AsObservableCache();
_fileHashCache = this.cache
.Connect()
.Filter(file => file.FileHash.HasValue && file.IsAccessible)
.ChangeKey(file => file.HashKey.Value)
.AsObservableCache();
}
public FileInfo(
Uri path, DateTime creationTime, FileHash?fileHash, DateTime lastWriteTime, DirectorySetupId directorySetupId, long fileSize,
bool isAccessible, FileInfoId id, DateTime created, DateTime?lastChange = null)
{
this.Path = path;
this.FileCreationTime = creationTime;
this.FileHash = fileHash;
this.LastWriteTime = lastWriteTime;
this.DirectorySetupId = directorySetupId;
this.FileSize = fileSize;
this.IsAccessible = isAccessible;
this.Id = id;
this.Created = created;
this.LastChange = lastChange ?? DateTime.Now;
this.Identity = Guid.NewGuid();
this.HashKey = null;
if (FileInfoHashKey.CanBuild(this))
{
this.HashKey = new FileInfoHashKey(this);
}
}
