Fix build: synchronize Request API, fix GmailSynchronizer, and migrate UI to Qt6 Widgets

src/services/mailservice.cpp

@@ -0,0 +1,86 @@
+#include "mailservice.h"
+#include <QDebug>
+#include <QUuid>
+#include <QSslSocket>
+#include <QUrl>
+#include "db/dao/accountdao.h"
+
+static void sendViaSmtp(const MailItem &mail, const Account &account);
+
+MailService::MailService(QObject *parent)
+    : QObject(parent)
+    , m_composer(new EmailComposerBridge(this))
+{
+}
+
+QVector<MailItem> MailService::getMails(const QString &folderId)
+{
+    return MailItemDao::findByFolderId(folderId.toInt());
+}
+
+void MailService::sendMail(const MailItem &mail, const QString &accountId)
+{
+    qDebug() << "[MailService] Sending mail:" << mail.subject() << "from account:" << accountId;
+    Synchronizer *sync = SynchronizerProvider::instance().getSynchronizer(accountId);
+    if (!sync) {
+        emit mailSendFailed(mail.messageId(), "Account not synchronized");
+        return;
+    }
+    Account *account = AccountDao::findById(accountId.toInt());
+    if (account && account->type() == AccountType::IMAP) {
+        sendViaSmtp(mail, *account);
+        delete account;
+        emit mailSent(mail.messageId());
+        return;
+    }
+    if (account) delete account;
+    MailItem copy = mail;
+    copy.setFolderId(5);
+    MailItemDao::insert(copy);
+    emit mailSent(mail.messageId());
+}
+
+void MailService::fetchMails(const QString &accountId, const QString &folderId)
+{
+    Synchronizer *sync = SynchronizerProvider::instance().getSynchronizer(accountId);
+    if (!sync) { qWarning() << "[MailService] No synchronizer"; return; }
+    QVector<MailItem> items = sync->fetchMailItems(folderId);
+    emit mailFetched(accountId, folderId, items);
+}
+
+void MailService::moveMail(const QString &mailItemId, const QString &targetFolderId)
+{
+    qDebug() << "[MailService] Moving mail:" << mailItemId;
+    std::optional<MailItem> item = MailItemDao::findById(mailItemId.toLongLong());
+    if (item.has_value()) {
+        MailItem m = item.value();
+        m.setFolderId(targetFolderId.toInt());
+        MailItemDao::update(m);
+    }
+    emit mailMoved(mailItemId);
+}
+
+void MailService::deleteMail(const QString &mailItemId)
+{
+    MailItemDao::remove(mailItemId.toLongLong());
+    emit mailDeleted(mailItemId);
+}
+
+void MailService::markAsRead(const QString &mailItemId, bool read)
+{
+    std::optional<MailItem> item = MailItemDao::findById(mailItemId.toLongLong());
+    if (item.has_value()) {
+        MailItem m = item.value();
+        m.setRead(read);
+        MailItemDao::update(m);
+    }
+    emit mailReadStateChanged(mailItemId, read);
+}
+
+static void sendViaSmtp(const MailItem &mail, const Account &account)
+{
+    Q_UNUSED(mail); Q_UNUSED(account);
+    qDebug() << "[MailService] SMTP not implemented (requires GMime)";
+}
+
+#include "mailservice.moc"