public static void Check()
{
TimeZoneInfo tz = TimeZoneInfo.FindSystemTimeZoneById("Central Europe Standard Time");
if (!Directory.Exists(base_path))
{
return;
}
if (Monitor.TryEnter(syncLock))
{
try {
List <string[]> files = FileUtenteList.exploreFileSystem(base_path);
List <FileUtente> toBeDeleted = new List <FileUtente>();
FileUtenteList list = FileUtenteList.getInstance();
string[] entry = new string[2];
string path_completo;
Command c;
CultureInfo it = new CultureInfo("it-IT");
Thread.CurrentThread.CurrentCulture = it;
if (!init)
{
throw new ClientException("La classe per il controllo delle modifiche non è inizializzata correttamente.", ClientErrorCode.ControlloNonInizializzato);
}
if (!Command.Logged)
{
ComandoLogin login = new ComandoLogin(user, pwd);
login.esegui();
}
FileInfo finfo;
foreach (FileUtente fu in list)
{
//Check if still exists, and if its modified
entry[0] = fu.Nome;
entry[1] = fu.Path;
int index;
if ((index = files.FindIndex(fTest => (fTest[0] == entry[0] && fTest[1] == entry[1]))) >= 0)
{
files.RemoveAt(index);
//Il file selezionato esiste ancora...
path_completo = base_path + entry[1] + Path.DirectorySeparatorChar + entry[0];
finfo = new FileInfo(path_completo);
DateTime dt = TimeZoneInfo.ConvertTime(finfo.LastWriteTime, TimeZoneInfo.Local, tz);
DateTime tMod = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
tMod = tMod.AddTicks(-(tMod.Ticks % TimeSpan.TicksPerSecond));
if (DateTime.Compare(tMod, fu.TempoModifica) != 0)
{
FileStream fs = File.Open(path_completo, FileMode.Open);
string new_sha = FileUtente.CalcolaSHA256(fs);
if (new_sha != fu.SHA256Contenuto)
{
fu.aggiornaDati((int)finfo.Length, finfo.LastWriteTime);
c = new ComandoAggiornaContenutoFile(entry[0], entry[1], (int)finfo.Length,
finfo.LastWriteTime, fu.SHA256Contenuto);
c.esegui();
}
}
}
else
{
toBeDeleted.Add(fu);
}
}
//Cancelliamo
foreach (FileUtente _fu in toBeDeleted)
{
list.Delete(_fu.Id);
c = new ComandoEliminaFile(_fu.Nome, _fu.Path);
c.esegui();
}
//file nuovi
FileUtente fu2;
foreach (string[] n_file in files)
{
string file_path_completo = base_path + n_file[1] + Path.DirectorySeparatorChar + n_file[0];
finfo = new FileInfo(file_path_completo);
DateTime dt = TimeZoneInfo.ConvertTime(finfo.LastWriteTime, TimeZoneInfo.Local, tz);
DateTime tMod = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
tMod = tMod.AddTicks(-(tMod.Ticks % TimeSpan.TicksPerSecond));
dt = TimeZoneInfo.ConvertTime(finfo.CreationTime, TimeZoneInfo.Local, tz);
DateTime tCre = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
tCre = tCre.AddTicks(-(tCre.Ticks % TimeSpan.TicksPerSecond));
FileStream fs = File.Open(file_path_completo, FileMode.Open);
string new_sha = FileUtente.CalcolaSHA256(fs);
fu2 = list.CreaNuovo(n_file[0], n_file[1], tCre, tMod, (int)finfo.Length, new_sha);
c = new ComandoNuovoFile(n_file[0], n_file[1], (int)finfo.Length, tCre, tMod, new_sha);
c.esegui();
}
}
finally
{
if (Monitor.IsEntered(syncLock))
{
Monitor.Exit(syncLock);
}
}
}
}
/// <summary>
/// In ordine questa funzione:
/// - Cancella il contenuto della cartella base_path
/// - Cancella il database e lo ricrea con le tabelle vuote
/// - Scarica la lista dei path relativi
/// - Per ogni path, ricrea le cartelle e scarica i file con le loro versioni
/// </summary>
public static void RestoreAsLastStatusOnServer()
{
bool tmp = checker.Enabled;
checker.Enabled = false;
Log l = Log.getLog();
lock (syncLock)
{
//Puliamo la cartella...
if (Directory.Exists(base_path))
{
Directory.Delete(base_path, recursive: true);
}
try
{
DB_Table.RebuildDB();
Directory.CreateDirectory(base_path);
ComandoListFolders c = new ComandoListFolders();
c.esegui();
FileUtenteList flist = FileUtenteList.getInstance();
foreach (string path_rel in c.Paths)
{
string[] directories = path_rel.Split('\\');
string tmp_path = base_path;
foreach (string dir in directories)
{
tmp_path += dir + "\\";
if (!Directory.Exists(tmp_path))
{
Directory.CreateDirectory(tmp_path);
}
}
ComandoListDir c2 = new ComandoListDir(path_rel);
c2.esegui();
foreach (string nome_file in c2.FileNames)
{
ComandoListVersions c_vers = new ComandoListVersions(nome_file, path_rel);
c_vers.esegui();
DateTime[] versions = c_vers.Versions;
DateTime last_vers = versions.Max();
ComandoScaricaFile c_scarica = new ComandoScaricaFile(nome_file, path_rel, last_vers);
c_scarica.esegui();
FileUtente fu = flist.CreaNuovo(nome_file, path_rel, last_vers, last_vers, c_scarica.Dim, c_scarica.SHAContenuto);
foreach (DateTime dt in versions)
{
if (dt != last_vers)
{
fu.AggiungiVersione(dt);
}
}
}
}
}
catch (ServerException e)
{
l.log(e.Message);
throw;
}
checker.Enabled = tmp;
}
}