public PropertiesDialog(ScanFile scanContents, OcrFile ocrContents)
{
InitializeComponent();
this.ScanContents = scanContents;
this.OcrContents = ocrContents;
}
public ScanFile Create(ScanFile scanFile)
{
if (scanFile == null) return null;
using (var db = new DozpContext())
{
db.Entry(scanFile).State = EntityState.Added;
db.SaveChanges();
}
return scanFile;
}
public bool Delete(ScanFile scanFile)
{
if (scanFile == null) return false;
using (var db = new DozpContext())
{
db.ScanFiles.Attach(scanFile);
db.ScanFiles.Remove(scanFile);
db.SaveChanges();
}
return true;
}
/// <summary>
/// Uloží aktualizovanou obálku nebo obsah na server.
/// </summary>
/// <param name="scanFile"></param>
/// <param name="fullName"></param>
/// <param name="obalkyKnihCZ"></param>
/// <returns></returns>
public static bool UpdateScanImage(ScanFile scanFile, string fullName, bool obalkyKnihCZ = false)
{
if (scanFile == null) throw new ArgumentNullException("scanFile");
if (String.IsNullOrEmpty(fullName)) throw new ArgumentNullException("Nebyla zadána cesta k souboru", "fullName");
ScanImageRequest request = new ScanImageRequest();
request.ScanFileID = scanFile.ScanFileID;
request.BookID = scanFile.BookID;
request.PartOfBook = scanFile.PartOfBook;
request.UseOCR = scanFile.UseOCR;
request.Computer = Environment.MachineName;
request.Image = ImageFunctions.ReadFile(fullName);
request.Comment = scanFile.Comment;
request.ObalkyKnihCZ = obalkyKnihCZ;
ScanFileResponse response = AuthController.GetProxy().Execute(client => client.SaveScanImage(request));
return response.Result;
}
public ScanFile InsertScanImage(int bookID, PartOfBook partOfBook, bool useOCR, string userName, string computer, string comment, byte[] image, bool obalkyKnihCZ)
{
//kontrola vstupnich parametru
if (bookID == 0)
throw new ArgumentNullException("Neplatný parametr identifikátor publikace.");
string extension = null;
switch (partOfBook)
{
case PartOfBook.FrontCover:
extension = FileFormat.Jpg.ToString();
break;
case PartOfBook.TableOfContents:
extension = FileFormat.Tif.ToString();
break;
default:
throw new ArgumentException(String.Format("Neplatný parametr '{0}' skenovaná část publikace.", partOfBook));
}
if (String.IsNullOrEmpty(userName))
throw new ArgumentNullException("Neplatný parametr jméno uživatele.");
if (String.IsNullOrEmpty(computer))
throw new ArgumentNullException("Neplatný parametr název počítače.");
if ((image == null) || (image.Length == 0))
throw new ArgumentNullException("Naskenovaný obrázek je prázdný.");
//kontrola existence publikace
Book book = BookComponent.Instance.GetByID(bookID);
if (book == null)
throw new ApplicationException(String.Format("Záznam publikace (ID={0}) neexistuje.", bookID));
if (book.HasPartOfBook(partOfBook))
throw new ApplicationException(String.Format("Záznam publikace (ID={0}) již obsahuje část '{1}'.", bookID, partOfBook.ToDisplay()));
//vytvoreni nazvu souboru
ScanFile result = new ScanFile();
result.FileName = String.Format("{0}.{1}", book.GetFileName(), extension.ToLower());
//ulozenie souboru naskenovaneho obrazku
string filePath = null;
try
{
filePath = Path.Combine(book.GetDirectoryPath(), result.FileName);
result.PageCount = ImageFunctions.WriteFile(filePath, image);
}
catch (Exception ex)
{
throw new ApplicationException(String.Format("Nepodařilo se uložit naskenovaný soubor '{0}' na disk: {1}.", filePath, ex.Message));
}
//ulozenie zaznamu do databaze
ScanFileRepository repository = new ScanFileRepository();
using (TransactionScope ts = new TransactionScope(TransactionScopeOption.Required))
{
try
{
result.BookID = book.BookID;
result.PartOfBook = partOfBook;
result.UseOCR = (partOfBook == PartOfBook.FrontCover ? false : useOCR);
result.Comment = comment.Left(1000);
result.Created = DateTime.Now;
result.Modified = result.Created;
result.Status = StatusCode.Scanned;
repository.Create(result);
LogOperation(result.ScanFileID, userName, computer, result.Modified, result.Comment, result.Status);
ts.Complete();
}
catch (Exception ex)
{
throw new ApplicationException(String.Format("Nepodařilo se uložit data souboru publikace (ID={0}) do databáze.", bookID), ex);
}
}
//operace dokonceni pro obalky a obsahy bez OCR
switch (result.PartOfBook)
{
case PartOfBook.FrontCover:
if (obalkyKnihCZ)
{
result = ImportObalkyKnih(result.ScanFileID, userName, computer);
}
break;
case PartOfBook.TableOfContents:
if (!result.UseOCR)
{
result = CompleteContents(result.ScanFileID, userName, computer);
}
break;
default:
break;
}
return result;
}
public PropertiesDialog(Window parent, ScanFile scanContents, OcrFile ocrContents)
: this(scanContents, ocrContents)
{
this.Owner = parent;
}
public bool Import(ScanFile scanFile)
{
//#if DEBUG
// return true;
//#endif
try
{
//Import URL ObalkyKnih.cz
string importUrl = String.Format("https://{0}", OBALKY_KNIH_IMPORT);
string custom = String.Format("{0}-{1}", this.Sigla, scanFile.Book.SysNo);
HttpWebRequest requestToServer = (HttpWebRequest)WebRequest.Create(importUrl);
requestToServer.ContentType = String.Format("multipart/form-data; boundary={0}", PostData.Boundary);
requestToServer.Method = WebRequestMethods.Http.Post;
requestToServer.AllowWriteStreamBuffering = false;
requestToServer.KeepAlive = false;
requestToServer.Timeout = 60000;
// Text parameters
PostData pData = new PostData();
pData.AddDataParam("login", this.Login);
pData.AddDataParam("password", this.Password);
pData.AddDataParam("isbn", scanFile.Book.ISBN);
pData.AddDataParam("issn", scanFile.Book.ISSN);
pData.AddDataParam("oclc", scanFile.Book.OCLC);
pData.AddDataParam("nbn", (String.IsNullOrEmpty(scanFile.Book.NBN) ? custom : scanFile.Book.NBN));
pData.AddDataParam("author", scanFile.Book.Author);
pData.AddDataParam("title", scanFile.Book.Title);
pData.AddDataParam("year", scanFile.Book.Year);
pData.AddDataParam("ocr", "no");
// Meta parameters
string metaXml = GetMetaXmlData(scanFile.PartOfBook, scanFile.PageCount);
pData.AddFileParam("meta", "meta.xml", metaXml, PostDataContentType.XML);
// File data
//string filepath = scanFile.GetScanFilePath();
//string extension = Path.GetExtension(filepath);
switch (scanFile.PartOfBook)
{
case PartOfBook.FrontCover:
pData.AddFileParam("cover", "cover.jpg", scanFile.GetScanFilePath(), PostDataContentType.JPG);
break;
case PartOfBook.TableOfContents:
pData.AddFileParam("toc", "toc.tif", scanFile.GetScanFilePath(), PostDataContentType.TIFF);
break;
default:
break;
}
// Write the http request body directly to the server
byte[] buffer = pData.GetPostDataBytes();
requestToServer.ContentLength = buffer.Length;
using (Stream s = requestToServer.GetRequestStream())
{
s.Write(buffer, 0, buffer.Length);
s.Flush();
s.Close();
}
// Grab the response from the server
WebResponse response = requestToServer.GetResponse();
StreamReader responseReader = new StreamReader(response.GetResponseStream());
//return Encoding.UTF8.GetString(buffer);
return responseReader.ReadToEnd().Equals("OK", StringComparison.OrdinalIgnoreCase);
}
catch (WebException we)
{
string message = String.Empty;
if (we.Response != null)
{
HttpWebResponse response = (we.Response as HttpWebResponse);
//WebException will be thrown when a HTTP OK status is not returned
switch (response.StatusCode)
{
case HttpStatusCode.Unauthorized:
message = "Chyba autorizace: Přihlašovací údaje nejsou správné.";
break;
case HttpStatusCode.InternalServerError:
message = String.Format("Chyba na straně serveru: {0}", response.StatusDescription);
break;
default:
message = String.Format("{0}: {1}", response.StatusCode, response.StatusDescription);
break;
}
}
else
{
message = String.Format("{0}: {1}", we.Status, we.Message);
}
throw new PostDataException(String.Format("Odesílání neúspěšné: {0}", message), we);
}
catch (Exception ex)
{
throw new PostDataException(String.Format("Počas odesílání nastala neznámá výjimka, je možné, že data nebyla odeslána: {0}", ex.Message), ex);
}
}
