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  4. Select folder and upload all files from folder to server

Select folder and upload all files from folder to server

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  • D developerNancy

    I am trying to upload all folder files (data) to server and move uploaded file into sent folder

    I have done with single file selection Here is my code Now I select the folder and upload all files of folder.

      QErrorMessage msg;
       QString usersfilename = QFileDialog::getOpenFileName();
       QDir dir = QFileInfo(usersfilename).absoluteDir();
       qDebug() << dir;
       qDebug() << usersfilename;
       this->ui->uploadEdit->setText(usersfilename);
         QHttpMultiPart *multiPart = new QHttpMultiPart(QHttpMultiPart::FormDataType);
        QHttpPart imagePart;
        imagePart.setHeader(QNetworkRequest::ContentTypeHeader, QVariant("text/plain"));
      
        imagePart.setHeader(QNetworkRequest::ContentDispositionHeader, QVariant("form-data;name=usersfilename;filename="+usersfilename));
        QHttpPart textPart;
    
        textPart.setBody("file");
    
    
    QFile *file = new QFile(usersfilename);
        file->open(QIODevice::ReadOnly);
        imagePart.setBodyDevice(file);
        file->setParent(multiPart); 
         multiPart->append(textPart);
        multiPart->append(imagePart);
    
        QUrl url("my url");
        QNetworkRequest request(url);
        qDebug() <<url;
    
        QNetworkAccessManager *networkManager= new QNetworkAccessManager;
        QNetworkReply * reply = networkManager->post(request, multiPart);
        multiPart->setParent(reply); // delete the multiPart with the reply
      
       qDebug() <<reply;
         if (reply->error() == QNetworkReply::NoError)
              {
    
                  QString strReply = (QString)reply->readAll();
                  qDebug() << "Response:" << strReply;
                  QJsonDocument jsonResponse = QJsonDocument::fromJson(strReply.toUtf8());
                  QJsonObject jsonObj = jsonResponse.object();
                  QJsonObject result=jsonObj["result"].toObject();
    
                  if(jsonObj["error"].toBool()==false)
    
                  {
                      QJsonObject data=result["data"].toObject();
                      QMessageBox msgBox;
                      msgBox.setText("model is uploaded");
                      msgBox.exec();
                  }
                  else
                  {
                      QErrorMessage msg;
                      msg.showMessage("Error during upload proces");
                      msg.exec();
                  }
                  delete reply;
    
              }
    }
    
    K Offline
    K Offline
    koahnig
    wrote on last edited by
    #2

    @developerNancy

    It might be helpful to tell also others what kind of problem you have with this, since you have posted it as a question.

    Vote the answer(s) that helped you to solve your issue(s)

    1 Reply Last reply
    2
    • mrjjM Offline
      mrjjM Offline
      mrjj
      Lifetime Qt Champion
      wrote on last edited by mrjj
      #3

      Hi

      To get all files in the folder you can do ( and sub folders...)

      QDirIterator it(dir, QStringList() << "*.*", QDir::Files, QDirIterator::Subdirectories);
      while (it.hasNext())
          qDebug() << it.next();  // this just lists them. you should move upload code to function and call it pr file.
      
      
      D 1 Reply Last reply
      2
      • mrjjM mrjj

        Hi

        To get all files in the folder you can do ( and sub folders...)

        QDirIterator it(dir, QStringList() << "*.*", QDir::Files, QDirIterator::Subdirectories);
        while (it.hasNext())
            qDebug() << it.next();  // this just lists them. you should move upload code to function and call it pr file.
        
        
        D Offline
        D Offline
        developerNancy
        wrote on last edited by
        #4

        @mrjj mainwindow.cpp:131: error: no matching function for call to 'QDirIterator::QDirIterator(QDir&, QStringList&, QDir::Filter, QDirIterator::IteratorFlag)'
        QDirIterator it(dir, QStringList() << ".", QDir::Files, QDirIterator::Subdirectories);

        issue after including QDir
        ^

        K 1 Reply Last reply
        0
        • D developerNancy

          @mrjj mainwindow.cpp:131: error: no matching function for call to 'QDirIterator::QDirIterator(QDir&, QStringList&, QDir::Filter, QDirIterator::IteratorFlag)'
          QDirIterator it(dir, QStringList() << ".", QDir::Files, QDirIterator::Subdirectories);

          issue after including QDir
          ^

          K Offline
          K Offline
          koahnig
          wrote on last edited by
          #5

          @developerNancy

          Did you include QDirIterator header?

          Vote the answer(s) that helped you to solve your issue(s)

          D 1 Reply Last reply
          0
          • K koahnig

            @developerNancy

            Did you include QDirIterator header?

            D Offline
            D Offline
            developerNancy
            wrote on last edited by developerNancy
            #6

            @koahnig Yes

            K 1 Reply Last reply
            0
            • D developerNancy

              @koahnig Yes

              K Offline
              K Offline
              koahnig
              wrote on last edited by
              #7

              @developerNancy

              You need to post a larger section of the code where the problem is.
              Also a larger stretch of the error messages are helpful.

              What is the OS and compiler you are using?

              Vote the answer(s) that helped you to solve your issue(s)

              D 1 Reply Last reply
              0
              • K koahnig

                @developerNancy

                You need to post a larger section of the code where the problem is.
                Also a larger stretch of the error messages are helpful.

                What is the OS and compiler you are using?

                D Offline
                D Offline
                developerNancy
                wrote on last edited by
                #8

                @koahnig I am using ubuntu I have already posted the code to upload file on server and for select the single file my code is void

                  void MainWindow::selectFileDownload()
                 {
                
                     QString downloadlocation = QFileDialog::getOpenFileName();
                    QDir dir = QFileInfo(downloadlocation).absoluteDir();
                    qDebug() << dir;
                    qDebug() << downloadlocation;
                     this->downloadLine->setText(downloadlocation);
                

                }

                jsulmJ 1 Reply Last reply
                0
                • D developerNancy

                  @koahnig I am using ubuntu I have already posted the code to upload file on server and for select the single file my code is void

                    void MainWindow::selectFileDownload()
                   {
                  
                       QString downloadlocation = QFileDialog::getOpenFileName();
                      QDir dir = QFileInfo(downloadlocation).absoluteDir();
                      qDebug() << dir;
                      qDebug() << downloadlocation;
                       this->downloadLine->setText(downloadlocation);
                  

                  }

                  jsulmJ Offline
                  jsulmJ Offline
                  jsulm
                  Lifetime Qt Champion
                  wrote on last edited by
                  #9

                  @developerNancy There is no such constructor. Please check the documentation: http://doc.qt.io/qt-5.8/qdiriterator.html

                  https://forum.qt.io/topic/113070/qt-code-of-conduct

                  D 1 Reply Last reply
                  1
                  • jsulmJ jsulm

                    @developerNancy There is no such constructor. Please check the documentation: http://doc.qt.io/qt-5.8/qdiriterator.html

                    D Offline
                    D Offline
                    developerNancy
                    wrote on last edited by
                    #10

                    @jsulm I have not Implemented directory yet it is a selected file method.

                    D 1 Reply Last reply
                    0
                    • D developerNancy

                      @jsulm I have not Implemented directory yet it is a selected file method.

                      D Offline
                      D Offline
                      developerNancy
                      wrote on last edited by
                      #11

                      @developerNancy
                      Using this code
                      QDirIterator UploadFolderFiles(UploadFolder, QDirIterator::Subdirectories );
                      while (UploadFolderFiles.hasNext()) {
                      qDebug() << UploadFolderFiles.next();
                      }

                      My output is this:
                      /Desktop/testingQT"
                      /Desktop/testingQT/Linuxapp"
                      /Desktop/testingQT/.."
                      /Desktop/testingQT/."
                      /Desktop/testingQT/dfgdggd"

                      But I want only files.

                      mrjjM 1 Reply Last reply
                      0
                      • D developerNancy

                        @developerNancy
                        Using this code
                        QDirIterator UploadFolderFiles(UploadFolder, QDirIterator::Subdirectories );
                        while (UploadFolderFiles.hasNext()) {
                        qDebug() << UploadFolderFiles.next();
                        }

                        My output is this:
                        /Desktop/testingQT"
                        /Desktop/testingQT/Linuxapp"
                        /Desktop/testingQT/.."
                        /Desktop/testingQT/."
                        /Desktop/testingQT/dfgdggd"

                        But I want only files.

                        mrjjM Offline
                        mrjjM Offline
                        mrjj
                        Lifetime Qt Champion
                        wrote on last edited by
                        #12

                        @developerNancy

                        well u left out the list of files u want
                        so that seems to mean no files when u dont give it a list.

                        D 2 Replies Last reply
                        0
                        • mrjjM mrjj

                          @developerNancy

                          well u left out the list of files u want
                          so that seems to mean no files when u dont give it a list.

                          D Offline
                          D Offline
                          developerNancy
                          wrote on last edited by
                          #13

                          @mrjj My output is this:
                          /Desktop/testingQT"
                          /Desktop/testingQT/Linuxapp"
                          /Desktop/testingQT/.."
                          /Desktop/testingQT/."
                          /Desktop/testingQT/dfgdggd"

                          But there is . and .. also I want only files

                          1 Reply Last reply
                          0
                          • mrjjM mrjj

                            @developerNancy

                            well u left out the list of files u want
                            so that seems to mean no files when u dont give it a list.

                            D Offline
                            D Offline
                            developerNancy
                            wrote on last edited by
                            #14

                            @mrjj I want files only without . and .. means 1st is file name and second null and third also null and fourth is file name.

                            /Desktop/testingQT/Linuxapp"
                            /Desktop/testingQT/.."
                            /Desktop/testingQT/."
                            /Desktop/testingQT/dfgdggd"

                            the_T 1 Reply Last reply
                            0
                            • D developerNancy

                              @mrjj I want files only without . and .. means 1st is file name and second null and third also null and fourth is file name.

                              /Desktop/testingQT/Linuxapp"
                              /Desktop/testingQT/.."
                              /Desktop/testingQT/."
                              /Desktop/testingQT/dfgdggd"

                              the_T Offline
                              the_T Offline
                              the_
                              wrote on last edited by
                              #15

                              @developerNancy
                              You may have a look at http://doc.qt.io/qt-5/qdiriterator.html#QDirIterator-2 and http://doc.qt.io/qt-5/qdir.html#Filter-enum

                              -- No support in PM --

                              D 1 Reply Last reply
                              1
                              • the_T the_

                                @developerNancy
                                You may have a look at http://doc.qt.io/qt-5/qdiriterator.html#QDirIterator-2 and http://doc.qt.io/qt-5/qdir.html#Filter-enum

                                D Offline
                                D Offline
                                developerNancy
                                wrote on last edited by
                                #16

                                @the_ I am new in qt I don't know how to implement too confused

                                the_T 1 Reply Last reply
                                0
                                • D developerNancy

                                  @the_ I am new in qt I don't know how to implement too confused

                                  the_T Offline
                                  the_T Offline
                                  the_
                                  wrote on last edited by
                                  #17

                                  @developerNancy
                                  Which part of the documentation don't you understand and what did you try so far?

                                  -- No support in PM --

                                  D 1 Reply Last reply
                                  0
                                  • the_T the_

                                    @developerNancy
                                    Which part of the documentation don't you understand and what did you try so far?

                                    D Offline
                                    D Offline
                                    developerNancy
                                    wrote on last edited by
                                    #18

                                    @the_ I have almost done but I want only files......

                                    the_T D 2 Replies Last reply
                                    0
                                    • D developerNancy

                                      @the_ I have almost done but I want only files......

                                      the_T Offline
                                      the_T Offline
                                      the_
                                      wrote on last edited by the_
                                      #19

                                      @developerNancy

                                      If you only want the files within a folder just apply the correct QDir::Filters to the QDirIterator.
                                      Just a guess: QDir::Files as can be found in http://doc.qt.io/qt-5/qdir.html#Filter-enum

                                      --EDIT

                                      QDir::NoDotAndDotDot is not neccessary if you use QDir::Files as . and .. are folders and not files. my bad, sorry

                                      -- No support in PM --

                                      D 1 Reply Last reply
                                      1
                                      • D developerNancy

                                        @the_ I have almost done but I want only files......

                                        D Offline
                                        D Offline
                                        developerNancy
                                        wrote on last edited by
                                        #20

                                        @developerNancy Would be great if you could provide me with some working example of this.

                                        Thanks

                                        1 Reply Last reply
                                        0
                                        • the_T the_

                                          @developerNancy

                                          If you only want the files within a folder just apply the correct QDir::Filters to the QDirIterator.
                                          Just a guess: QDir::Files as can be found in http://doc.qt.io/qt-5/qdir.html#Filter-enum

                                          --EDIT

                                          QDir::NoDotAndDotDot is not neccessary if you use QDir::Files as . and .. are folders and not files. my bad, sorry

                                          D Offline
                                          D Offline
                                          developerNancy
                                          wrote on last edited by developerNancy
                                          #21

                                          @the_ said what I have to change

                                                QString UploadFolder = QFileDialog::getExistingDirectory(this, tr("Open Directory"),"/home",QFileDialog::ShowDirsOnly| QFileDialog::DontResolveSymlinks);
                                          
                                            QDirIterator UploadFolderFiles(UploadFolder, QDirIterator::Subdirectories);
                                                while (UploadFolderFiles.hasNext()) {
                                                    qDebug() << UploadFolderFiles.next();
                                                }
                                           this->uploadLine->setText(UploadFolder);
                                          
                                          the_T 1 Reply Last reply
                                          0

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