able to send file

src/app/AppController.cpp

@@ -6,6 +6,7 @@
 #include <QStandardPaths>
 #include <QUrl>
 #include <QDebug>
+#include <QMimeDatabase>
 
 AppController::AppController(QObject* parent)
     : QObject(parent)
@@ -14,6 +15,7 @@ AppController::AppController(QObject* parent)
     , m_discovery(new LocalSend::DiscoveryManager(this))
     , m_server(new LocalSend::HttpServer(this))
     , m_sessions(new LocalSend::SessionManager(this))
+    , m_httpClient(new LocalSend::HttpClient(this))
 {
 }
 
@@ -54,6 +56,17 @@ void AppController::initialize()
     connect(m_sessions, &LocalSend::SessionManager::receiveSessionCompleted,
             this, &AppController::onReceiveCompleted);
     
+    connect(m_httpClient, &LocalSend::HttpClient::prepareUploadResponse,
+            this, &AppController::onPrepareUploadResponse);
+    connect(m_httpClient, &LocalSend::HttpClient::prepareUploadError,
+            this, &AppController::onPrepareUploadError);
+    connect(m_httpClient, &LocalSend::HttpClient::uploadProgress,
+            this, &AppController::onUploadProgress);
+    connect(m_httpClient, &LocalSend::HttpClient::uploadCompleted,
+            this, &AppController::onUploadCompleted);
+    connect(m_httpClient, &LocalSend::HttpClient::uploadError,
+            this, &AppController::onUploadError);
+    
     startDiscovery();
 }
 
@@ -345,3 +358,227 @@ void AppController::onReceiveCompleted(const QString& sessionId)
 {
     emit receiveCompleted(sessionId);
 }
+
+bool AppController::sending() const
+{
+    return !m_currentSendSessionId.isEmpty();
+}
+
+double AppController::sendProgress() const
+{
+    return m_sendProgress;
+}
+
+void AppController::sendFiles(const QString& deviceFingerprint, const QStringList& filePaths)
+{
+    if (!m_devices.contains(deviceFingerprint)) {
+        emit sendError(QStringLiteral("Device not found"));
+        return;
+    }
+    
+    if (filePaths.isEmpty()) {
+        emit sendError(QStringLiteral("No files selected"));
+        return;
+    }
+    
+    if (sending()) {
+        emit sendError(QStringLiteral("Already sending files"));
+        return;
+    }
+    
+    m_currentSendDeviceFingerprint = deviceFingerprint;
+    m_pendingFiles = filePaths;
+    m_currentFileIndex = 0;
+    m_sendProgress = 0.0;
+    emit sendingChanged();
+    emit sendProgressChanged();
+    
+    qDebug() << "[AppController] sendFiles: device=" << deviceFingerprint 
+             << "files=" << filePaths.size();
+    
+    LocalSend::Device target = m_devices[deviceFingerprint];
+    
+    QMap<QString, LocalSend::FileDto> files;
+    QMimeDatabase mimeDb;
+    
+    for (int i = 0; i < filePaths.size(); ++i) {
+        QString filePath = filePaths[i];
+        QFileInfo info(filePath);
+        
+        if (!info.exists()) {
+            emit sendError(QStringLiteral("File not found: ") + filePath);
+            m_currentSendSessionId.clear();
+            emit sendingChanged();
+            return;
+        }
+        
+        LocalSend::FileDto fileDto;
+        fileDto.id = QString::number(i);
+        fileDto.fileName = info.fileName();
+        fileDto.size = info.size();
+        fileDto.fileType = mimeDb.mimeTypeForFile(filePath).name();
+        files.insert(fileDto.id, fileDto);
+    }
+    
+    m_currentSendSessionId = m_sessions->createSendSession(target, files, 
+        [filePaths]() {
+            QMap<QString, QString> paths;
+            for (int i = 0; i < filePaths.size(); ++i) {
+                paths.insert(QString::number(i), filePaths[i]);
+            }
+            return paths;
+        }()
+    );
+    
+    LocalSend::PrepareUploadRequestDto request;
+    request.info = buildRegisterDto();
+    request.files = files;
+    
+    qDebug() << "[AppController] Sending prepare-upload request to" << target.ip;
+    m_httpClient->prepareUpload(target, request);
+}
+
+void AppController::cancelSend()
+{
+    if (m_currentSendSessionId.isEmpty()) {
+        return;
+    }
+    
+    LocalSend::Device target = m_devices.value(m_currentSendDeviceFingerprint);
+    m_httpClient->cancel(target, m_currentSendSessionId);
+    
+    m_sessions->cancelSendSession(m_currentSendSessionId);
+    m_currentSendSessionId.clear();
+    m_pendingFiles.clear();
+    m_sendProgress = 0.0;
+    emit sendingChanged();
+    emit sendProgressChanged();
+}
+
+void AppController::onPrepareUploadResponse(const LocalSend::PrepareUploadResponseDto& response)
+{
+    qDebug() << "[AppController] onPrepareUploadResponse: sessionId=" << response.sessionId
+             << "files=" << response.files.size();
+    
+    LocalSend::SendSession session = m_sessions->sendSession(m_currentSendSessionId);
+    if (session.sessionId.isEmpty()) {
+        emit sendError(QStringLiteral("Session not found"));
+        m_currentSendSessionId.clear();
+        emit sendingChanged();
+        return;
+    }
+    
+    if (response.files.isEmpty()) {
+        emit sendError(QStringLiteral("Receiver declined the transfer"));
+        m_currentSendSessionId.clear();
+        emit sendingChanged();
+        return;
+    }
+    
+    m_sessions->setSendSessionTokens(m_currentSendSessionId, response.sessionId, response.files);
+    
+    m_currentSendSessionId = response.sessionId;
+    m_sessions->startSendSession(m_currentSendSessionId);
+    
+    m_currentFileIndex = 0;
+    sendNextFile();
+}
+
+void AppController::onPrepareUploadError(const QString& error)
+{
+    qWarning() << "[AppController] onPrepareUploadError:" << error;
+    emit sendError(error);
+    m_currentSendSessionId.clear();
+    emit sendingChanged();
+}
+
+void AppController::onUploadProgress(qint64 sent, qint64 total)
+{
+    if (total > 0) {
+        double fileProgress = static_cast<double>(sent) / total;
+        int totalFiles = m_pendingFiles.size();
+        double overallProgress = (m_currentFileIndex + fileProgress) / totalFiles;
+        m_sendProgress = overallProgress * 100.0;
+        emit sendProgressChanged();
+    }
+}
+
+void AppController::onUploadCompleted()
+{
+    qDebug() << "[AppController] onUploadCompleted, file index:" << m_currentFileIndex;
+    
+    m_sessions->completeSendFile(m_currentSendSessionId, m_currentSendFileId);
+    
+    m_currentFileIndex++;
+    
+    if (m_currentFileIndex < m_pendingFiles.size()) {
+        sendNextFile();
+    } else {
+        qDebug() << "[AppController] All files sent successfully";
+        m_sendProgress = 100.0;
+        emit sendProgressChanged();
+        emit sendCompleted(m_currentSendSessionId);
+        m_currentSendSessionId.clear();
+        emit sendingChanged();
+    }
+}
+
+void AppController::onUploadError(const QString& error)
+{
+    qWarning() << "[AppController] onUploadError:" << error;
+    emit sendError(error);
+    m_sessions->failSendFile(m_currentSendSessionId, m_currentSendFileId);
+    m_currentSendSessionId.clear();
+    emit sendingChanged();
+}
+
+void AppController::sendNextFile()
+{
+    if (m_currentFileIndex >= m_pendingFiles.size()) {
+        return;
+    }
+    
+    LocalSend::SendSession session = m_sessions->sendSession(m_currentSendSessionId);
+    if (session.sessionId.isEmpty()) {
+        qWarning() << "[AppController] Session not found:" << m_currentSendSessionId;
+        return;
+    }
+    
+    QString fileId = QString::number(m_currentFileIndex);
+    if (!session.files.contains(fileId)) {
+        qWarning() << "[AppController] File not found in session:" << fileId;
+        return;
+    }
+    
+    m_currentSendFileId = fileId;
+    QString filePath = m_pendingFiles[m_currentFileIndex];
+    QString token = session.files[fileId].token;
+    
+    LocalSend::Device target = m_devices.value(m_currentSendDeviceFingerprint);
+    
+    qDebug() << "[AppController] Uploading file" << fileId << ":" << filePath 
+             << "token:" << token << "to" << target.ip;
+    
+    if (token.isEmpty()) {
+        emit sendError(QStringLiteral("No token for file: ") + fileId);
+        m_currentSendSessionId.clear();
+        emit sendingChanged();
+        return;
+    }
+    
+    m_httpClient->uploadFile(target, m_currentSendSessionId, fileId, token, filePath);
+}
+
+LocalSend::RegisterDto AppController::buildRegisterDto() const
+{
+    LocalSend::RegisterDto dto;
+    dto.alias = m_settings->alias();
+    dto.version = m_settings->version();
+    dto.deviceModel = m_settings->deviceModel();
+    dto.deviceType = m_settings->deviceType();
+    dto.fingerprint = m_security->fingerprint();
+    dto.port = m_settings->port();
+    dto.protocol = m_settings->https() ? LocalSend::ProtocolType::Https : LocalSend::ProtocolType::Http;
+    dto.download = false;
+    return dto;
+}

src/app/AppController.h

@@ -19,6 +19,8 @@ class AppController : public QObject
     Q_PROPERTY(bool serverRunning READ serverRunning NOTIFY serverRunningChanged)
     Q_PROPERTY(QString downloadPath READ downloadPath WRITE setDownloadPath NOTIFY downloadPathChanged)
     Q_PROPERTY(bool quickSave READ quickSave WRITE setQuickSave NOTIFY quickSaveChanged)
+    Q_PROPERTY(bool sending READ sending NOTIFY sendingChanged)
+    Q_PROPERTY(double sendProgress READ sendProgress NOTIFY sendProgressChanged)
 
 public:
     explicit AppController(QObject* parent = nullptr);
@@ -41,12 +43,18 @@ public:
     QVariantList devices() const;
     bool serverRunning() const;
     
+    bool sending() const;
+    double sendProgress() const;
+    
     Q_INVOKABLE void startDiscovery();
     Q_INVOKABLE void stopDiscovery();
     Q_INVOKABLE void refreshDevices();
     
     Q_INVOKABLE void acceptReceive(const QString& sessionId);
     Q_INVOKABLE void declineReceive(const QString& sessionId);
+    
+    Q_INVOKABLE void sendFiles(const QString& deviceFingerprint, const QStringList& filePaths);
+    Q_INVOKABLE void cancelSend();
 
 signals:
     void aliasChanged();
@@ -55,13 +63,15 @@ signals:
     void quickSaveChanged();
     void devicesChanged();
     void serverRunningChanged();
+    void sendingChanged();
+    void sendProgressChanged();
     void receiveRequest(const QString& sessionId, const QString& senderAlias, 
                         const QString& senderIp, const QVariantList& files);
     void receiveProgress(const QString& sessionId, const QString& fileId, double progress);
     void receiveCompleted(const QString& sessionId);
     void receiveError(const QString& sessionId, const QString& error);
-    void sendProgress(const QString& sessionId, double progress);
     void sendCompleted(const QString& sessionId);
+    void sendError(const QString& error);
 
 private slots:
     void onDeviceDiscovered(const LocalSend::Device& device);
@@ -76,6 +86,12 @@ private slots:
     void onSessionDeclined(const QString& sessionId);
     void onReceiveProgress(const QString& sessionId, const QString& fileId, double progress);
     void onReceiveCompleted(const QString& sessionId);
+    
+    void onPrepareUploadResponse(const LocalSend::PrepareUploadResponseDto& response);
+    void onPrepareUploadError(const QString& error);
+    void onUploadProgress(qint64 sent, qint64 total);
+    void onUploadCompleted();
+    void onUploadError(const QString& error);
 
 private:
     LocalSend::Settings* m_settings = nullptr;
@@ -83,9 +99,19 @@ private:
     LocalSend::DiscoveryManager* m_discovery = nullptr;
     LocalSend::HttpServer* m_server = nullptr;
     LocalSend::SessionManager* m_sessions = nullptr;
+    LocalSend::HttpClient* m_httpClient = nullptr;
     
     QMap<QString, LocalSend::Device> m_devices;
     
+    QString m_currentSendSessionId;
+    QString m_currentSendFileId;
+    QString m_currentSendDeviceFingerprint;
+    QStringList m_pendingFiles;
+    int m_currentFileIndex = 0;
+    double m_sendProgress = 0.0;
+    
     LocalSend::InfoDto buildInfoDto() const;
     QString generateUniqueFilePath(const QString& baseDir, const QString& fileName) const;
+    void sendNextFile();
+    LocalSend::RegisterDto buildRegisterDto() const;
 };

src/app/qml/main.qml

@@ -15,6 +15,7 @@ ApplicationWindow {
     property string currentSenderAlias: ""
     property string currentSenderIp: ""
     property var receiveProgress: ({})
+    property string selectedDeviceFingerprint: ""
 
     StackView {
         id: stackView
@@ -25,6 +26,21 @@ ApplicationWindow {
         }
     }
     
+    FileDialog {
+        id: fileDialog
+        title: qsTr("Select Files to Send")
+        fileMode: FileDialog.OpenFiles
+        onAccepted: {
+            var paths = []
+            for (var i = 0; i < selectedFiles.length; i++) {
+                paths.push(selectedFiles[i].toString().replace("file://", ""))
+            }
+            if (paths.length > 0 && selectedDeviceFingerprint !== "") {
+                appController.sendFiles(selectedDeviceFingerprint, paths)
+            }
+        }
+    }
+    
     Dialog {
         id: receiveDialog
         anchors.centerIn: parent
@@ -73,7 +89,7 @@ ApplicationWindow {
                     }
                     Label {
                         text: formatSize(modelData.size)
-                        color: "gray"
+                        color: palette.mid
                     }
                 }
             }
@@ -87,7 +103,7 @@ ApplicationWindow {
     }
     
     Dialog {
-        id: progressDialog
+        id: receiveProgressDialog
         anchors.centerIn: parent
         modal: true
         closePolicy: Popup.NoAutoClose
@@ -97,12 +113,10 @@ ApplicationWindow {
             spacing: 12
             
             Label {
-                id: progressLabel
                 text: qsTr("Receiving from %1...").arg(currentSenderAlias)
             }
             
             ProgressBar {
-                id: totalProgressBar
                 Layout.fillWidth: true
                 from: 0
                 to: 100
@@ -110,14 +124,53 @@ ApplicationWindow {
             }
             
             Label {
-                text: qsTr("%1% complete").arg(Math.round(totalProgressBar.value))
+                text: qsTr("%1% complete").arg(Math.round(calculateTotalProgress()))
-                color: "gray"
+                color: palette.mid
             }
         }
         
         property var progressData: ({})
     }
     
+    Dialog {
+        id: sendProgressDialog
+        anchors.centerIn: parent
+        modal: true
+        closePolicy: Popup.NoAutoClose
+        title: qsTr("Sending Files")
+        
+        ColumnLayout {
+            spacing: 12
+            
+            Label {
+                text: qsTr("Sending files...")
+            }
+            
+            ProgressBar {
+                Layout.fillWidth: true
+                from: 0
+                to: 100
+                value: appController.sendProgress
+            }
+            
+            Label {
+                text: qsTr("%1% complete").arg(Math.round(appController.sendProgress))
+                color: palette.mid
+            }
+        }
+        
+        footer: DialogButtonBox {
+            Button {
+                text: qsTr("Cancel")
+                DialogButtonBox.buttonRole: DialogButtonBox.RejectRole
+                onClicked: {
+                    appController.cancelSend()
+                    sendProgressDialog.close()
+                }
+            }
+        }
+    }
+    
     Connections {
         target: appController
         
@@ -129,6 +182,7 @@ ApplicationWindow {
             
             if (appController.quickSave) {
                 appController.acceptReceive(sessionId)
+                receiveProgressDialog.open()
             } else {
                 receiveDialog.open()
             }
@@ -138,13 +192,17 @@ ApplicationWindow {
             if (sessionId === currentSessionId) {
                 receiveProgress[fileId] = progress
                 receiveProgress = Object.assign({}, receiveProgress)
-                progressDialog.progressData = receiveProgress
+                receiveProgressDialog.progressData = receiveProgress
+                
+                if (!receiveProgressDialog.visible) {
+                    receiveProgressDialog.open()
+                }
             }
         }
         
         function onReceiveCompleted(sessionId) {
             if (sessionId === currentSessionId) {
-                progressDialog.close()
+                receiveProgressDialog.close()
                 receiveProgress = {}
                 currentSessionId = ""
             }
@@ -152,11 +210,29 @@ ApplicationWindow {
         
         function onReceiveError(sessionId, error) {
             if (sessionId === currentSessionId) {
-                progressDialog.close()
+                receiveProgressDialog.close()
                 errorDialog.text = error
                 errorDialog.open()
             }
         }
+        
+        function onSendProgress(progress) {
+            if (!sendProgressDialog.visible) {
+                sendProgressDialog.open()
+            }
+        }
+        
+        function onSendCompleted(sessionId) {
+            sendProgressDialog.close()
+            successDialog.text = qsTr("Files sent successfully!")
+            successDialog.open()
+        }
+        
+        function onSendError(error) {
+            sendProgressDialog.close()
+            errorDialog.text = error
+            errorDialog.open()
+        }
     }
     
     Dialog {
@@ -172,6 +248,19 @@ ApplicationWindow {
         }
     }
     
+    Dialog {
+        id: successDialog
+        anchors.centerIn: parent
+        modal: true
+        standardButtons: Dialog.Ok
+        title: qsTr("Success")
+        property alias text: successLabel.text
+        
+        Label {
+            id: successLabel
+        }
+    }
+    
     function formatSize(bytes) {
         if (bytes < 1024) return bytes + " B"
         if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + " KB"
@@ -242,8 +331,10 @@ ApplicationWindow {
                         padding: 12
                         
                         background: Rectangle {
-                            color: Qt.lighter("gray", 1.8)
+                            color: "transparent"
                             radius: 8
+                            border.color: palette.mid
+                            border.width: 1
                         }
                         
                         RowLayout {
@@ -257,19 +348,28 @@ ApplicationWindow {
                                 }
                                 Label {
                                     text: "%1:%2".arg(modelData.ip).arg(modelData.port)
-                                    color: "gray"
+                                    color: palette.mid
                                     font.pixelSize: 12
                                 }
                             }
                             
                             Button {
                                 text: qsTr("Send")
+                                enabled: !appController.sending
                                 onClicked: {
-                                    // TODO: send to this device
+                                    selectedDeviceFingerprint = modelData.fingerprint
+                                    fileDialog.open()
                                 }
                             }
                         }
                     }
+                    
+                    Label {
+                        anchors.centerIn: parent
+                        text: qsTr("No devices found")
+                        color: palette.mid
+                        visible: deviceListView.count === 0
+                    }
                 }
                 
                 RowLayout {

src/core/include/LocalSendCore/SessionManager.h

@@ -53,6 +53,8 @@ public:
     
     QString createSendSession(const Device& target, const QMap<QString, FileDto>& files, 
                                const QMap<QString, QString>& localPaths);
+    void setSendSessionTokens(const QString& sessionId, const QString& responseSessionId, 
+                               const QMap<QString, QString>& tokens);
     void startSendSession(const QString& sessionId);
     void updateSendProgress(const QString& sessionId, const QString& fileId, qint64 bytes);
     void completeSendFile(const QString& sessionId, const QString& fileId);

src/core/src/HttpClient.cpp

@@ -3,6 +3,7 @@
 #include <QFile>
 #include <QUrlQuery>
 #include <QJsonDocument>
+#include <QDebug>
 
 namespace LocalSend {
 
@@ -10,6 +11,10 @@ HttpClient::HttpClient(QObject* parent)
     : QObject(parent)
     , m_manager(new QNetworkAccessManager(this))
 {
+    connect(m_manager, &QNetworkAccessManager::sslErrors,
+            this, [](QNetworkReply* reply, const QList<QSslError>&) {
+        reply->ignoreSslErrors();
+    });
 }
 
 HttpClient::~HttpClient()
@@ -98,20 +103,29 @@ void HttpClient::prepareUpload(const Device& device, const PrepareUploadRequestD
 {
     QUrl url = buildUrl(device, ApiRoute::PREPARE_UPLOAD);
     QByteArray data = QJsonDocument(dto.toJson()).toJson(QJsonDocument::Compact);
+    
+    qDebug() << "[HttpClient] prepareUpload to" << url.toString();
+    qDebug() << "[HttpClient] request:" << data;
+    
     QNetworkReply* reply = sendPost(url, data);
     
     connect(reply, &QNetworkReply::finished, this, [this, reply]() {
         reply->deleteLater();
         
         if (reply->error() != QNetworkReply::NoError) {
+            qWarning() << "[HttpClient] prepareUpload error:" << reply->errorString();
             emit prepareUploadError(reply->errorString());
             return;
         }
         
+        QByteArray responseData = reply->readAll();
+        qDebug() << "[HttpClient] prepareUpload response:" << responseData;
+        
         QJsonParseError error;
-        QJsonDocument doc = QJsonDocument::fromJson(reply->readAll(), &error);
+        QJsonDocument doc = QJsonDocument::fromJson(responseData, &error);
         
         if (error.error != QJsonParseError::NoError) {
+            qWarning() << "[HttpClient] Invalid JSON response";
             emit prepareUploadError(QStringLiteral("Invalid JSON response"));
             return;
         }
@@ -131,14 +145,18 @@ void HttpClient::uploadFile(const Device& device, const QString& sessionId,
     query.addQueryItem(QStringLiteral("token"), token);
     url.setQuery(query);
     
+    qDebug() << "[HttpClient] uploadFile to" << url.toString();
+    
     QFile* file = new QFile(filePath);
     if (!file->open(QIODevice::ReadOnly)) {
+        qWarning() << "[HttpClient] Cannot open file:" << filePath << file->errorString();
         emit uploadError(QStringLiteral("Cannot open file: ") + file->errorString());
         delete file;
         return;
     }
     
     qint64 fileSize = file->size();
+    qDebug() << "[HttpClient] File size:" << fileSize;
     
     QNetworkRequest request(url);
     request.setHeader(QNetworkRequest::ContentTypeHeader, QStringLiteral("application/octet-stream"));
@@ -154,14 +172,16 @@ void HttpClient::uploadFile(const Device& device, const QString& sessionId,
         emit uploadProgress(sent, fileSize);
     });
     
-    connect(reply, &QNetworkReply::finished, this, [this, reply]() {
+    connect(reply, &QNetworkReply::finished, this, [this, reply, filePath]() {
         reply->deleteLater();
         
         if (reply->error() != QNetworkReply::NoError) {
+            qWarning() << "[HttpClient] uploadFile error:" << reply->errorString();
             emit uploadError(reply->errorString());
             return;
         }
         
+        qDebug() << "[HttpClient] uploadFile completed:" << filePath;
         emit uploadCompleted();
     });
 }

src/core/src/SessionManager.cpp

@@ -156,6 +156,25 @@ QString SessionManager::createSendSession(const Device& target, const QMap<QStri
     return sessionId;
 }
 
+void SessionManager::setSendSessionTokens(const QString& sessionId, const QString& responseSessionId,
+                                           const QMap<QString, QString>& tokens)
+{
+    if (!m_sendSessions.contains(sessionId)) {
+        return;
+    }
+    
+    SendSession session = m_sendSessions.take(sessionId);
+    session.sessionId = responseSessionId;
+    
+    for (auto it = tokens.constBegin(); it != tokens.constEnd(); ++it) {
+        if (session.files.contains(it.key())) {
+            session.files[it.key()].token = it.value();
+        }
+    }
+    
+    m_sendSessions.insert(responseSessionId, session);
+}
+
 void SessionManager::startSendSession(const QString& sessionId)
 {
     if (!m_sendSessions.contains(sessionId)) {