1 files changed, 397 insertions, 0 deletions
diff --git a/src/settingsdialognexus.cpp b/src/settingsdialognexus.cpp
new file mode 100644
index 00000000..d49e0a33
--- /dev/null
+++ b/src/settingsdialognexus.cpp
@@ -0,0 +1,397 @@
+#include "settingsdialognexus.h"
+#include "ui_settingsdialog.h"
+#include "ui_nexusmanualkey.h"
+#include "nexusinterface.h"
+#include "serverinfo.h"
+#include "log.h"
+#include <utility.h>
+
+using namespace MOBase;
+
+template <typename T>
+class ServerItem : public QListWidgetItem {
+public:
+  ServerItem(const QString &text, int sortRole = Qt::DisplayRole, QListWidget *parent = 0, int type = Type)
+    : QListWidgetItem(text, parent, type), m_SortRole(sortRole) {}
+
+  virtual bool operator< ( const QListWidgetItem & other ) const {
+    return this->data(m_SortRole).value<T>() < other.data(m_SortRole).value<T>();
+  }
+private:
+  int m_SortRole;
+};
+
+
+class NexusManualKeyDialog : public QDialog
+{
+public:
+  NexusManualKeyDialog(QWidget* parent)
+    : QDialog(parent), ui(new Ui::NexusManualKeyDialog)
+  {
+    ui->setupUi(this);
+    ui->key->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
+
+    connect(ui->openBrowser, &QPushButton::clicked, [&]{ openBrowser(); });
+    connect(ui->paste, &QPushButton::clicked, [&]{ paste(); });
+    connect(ui->clear, &QPushButton::clicked, [&]{ clear(); });
+  }
+
+  void accept() override
+  {
+    m_key = ui->key->toPlainText();
+    QDialog::accept();
+  }
+
+  const QString& key() const
+  {
+    return m_key;
+  }
+
+  void openBrowser()
+  {
+    shell::Open(QUrl("https://www.nexusmods.com/users/myaccount?tab=api"));
+  }
+
+  void paste()
+  {
+    const auto text = QApplication::clipboard()->text();
+    if (!text.isEmpty()) {
+      ui->key->setPlainText(text);
+    }
+  }
+
+  void clear()
+  {
+    ui->key->clear();
+  }
+
+private:
+  std::unique_ptr<Ui::NexusManualKeyDialog> ui;
+  QString m_key;
+};
+
+
+NexusSettingsTab::NexusSettingsTab(Settings& s, SettingsDialog& d)
+  : SettingsTab(s, d)
+{
+  ui->offlineBox->setChecked(settings().network().offlineMode());
+  ui->proxyBox->setChecked(settings().network().useProxy());
+  ui->endorsementBox->setChecked(settings().nexus().endorsementIntegration());
+  ui->hideAPICounterBox->setChecked(settings().interface().hideAPICounter());
+
+  // display server preferences
+  for (const auto& server : s.network().servers()) {
+    QString descriptor = server.name();
+
+    if (!descriptor.compare("CDN", Qt::CaseInsensitive)) {
+      descriptor += QStringLiteral(" (automatic)");
+    }
+
+    const auto averageSpeed = server.averageSpeed();
+    if (averageSpeed > 0) {
+      descriptor += QString(" (%1)").arg(MOBase::localizedByteSpeed(averageSpeed));
+    }
+
+    QListWidgetItem *newItem = new ServerItem<int>(descriptor, Qt::UserRole + 1);
+
+    newItem->setData(Qt::UserRole, server.name());
+    newItem->setData(Qt::UserRole + 1, server.preferred());
+
+    if (server.preferred() > 0) {
+      ui->preferredServersList->addItem(newItem);
+    } else {
+      ui->knownServersList->addItem(newItem);
+    }
+
+    ui->preferredServersList->sortItems(Qt::DescendingOrder);
+  }
+
+  QObject::connect(ui->nexusConnect, &QPushButton::clicked, [&]{ on_nexusConnect_clicked(); });
+  QObject::connect(ui->nexusManualKey, &QPushButton::clicked, [&]{ on_nexusManualKey_clicked(); });
+  QObject::connect(ui->nexusDisconnect, &QPushButton::clicked, [&]{ on_nexusDisconnect_clicked(); });
+  QObject::connect(ui->clearCacheButton, &QPushButton::clicked, [&]{ on_clearCacheButton_clicked(); });
+  QObject::connect(ui->associateButton, &QPushButton::clicked, [&]{ on_associateButton_clicked(); });
+
+  if (settings().nexus().hasApiKey()) {
+    addNexusLog(QObject::tr("Connected."));
+  } else {
+    addNexusLog(QObject::tr("Not connected."));
+  }
+
+  updateNexusState();
+}
+
+void NexusSettingsTab::update()
+{
+  settings().network().setOfflineMode(ui->offlineBox->isChecked());
+  settings().network().setUseProxy(ui->proxyBox->isChecked());
+  settings().nexus().setEndorsementIntegration(ui->endorsementBox->isChecked());
+  settings().interface().setHideAPICounter(ui->hideAPICounterBox->isChecked());
+
+  auto servers = settings().network().servers();
+
+  // store server preference
+  for (int i = 0; i < ui->knownServersList->count(); ++i) {
+    const QString key = ui->knownServersList->item(i)->data(Qt::UserRole).toString();
+
+    bool found = false;
+
+    for (auto& server : servers) {
+      if (server.name() == key) {
+        server.setPreferred(0);
+        found = true;
+        break;
+      }
+    }
+
+    if (!found) {
+      log::error("while setting preferred to 0, server '{}' not found", key);
+    }
+  }
+
+  const int count = ui->preferredServersList->count();
+
+  for (int i = 0; i < count; ++i) {
+    const QString key = ui->preferredServersList->item(i)->data(Qt::UserRole).toString();
+    const int newPreferred = count - i;
+
+    bool found = false;
+
+    for (auto& server : servers) {
+
+      if (server.name() == key) {
+        server.setPreferred(newPreferred);
+        found = true;
+        break;
+      }
+    }
+
+    if (!found) {
+      log::error(
+        "while setting preference to {}, server '{}' not found",
+        newPreferred, key);
+    }
+  }
+
+  settings().network().updateServers(servers);
+}
+
+void NexusSettingsTab::on_nexusConnect_clicked()
+{
+  if (m_nexusLogin && m_nexusLogin->isActive()) {
+    m_nexusLogin->cancel();
+    return;
+  }
+
+  if (!m_nexusLogin) {
+    m_nexusLogin.reset(new NexusSSOLogin);
+
+    m_nexusLogin->keyChanged = [&](auto&& s){
+      onSSOKeyChanged(s);
+    };
+
+    m_nexusLogin->stateChanged = [&](auto&& s, auto&& e){
+      onSSOStateChanged(s, e);
+    };
+  }
+
+  ui->nexusLog->clear();
+  m_nexusLogin->start();
+  updateNexusState();
+}
+
+void NexusSettingsTab::on_nexusManualKey_clicked()
+{
+  if (m_nexusValidator && m_nexusValidator->isActive()) {
+    m_nexusValidator->cancel();
+    return;
+  }
+
+  NexusManualKeyDialog d(&dialog());
+  if (d.exec() != QDialog::Accepted) {
+    return;
+  }
+
+  const auto key = d.key();
+  if (key.isEmpty()) {
+    clearKey();
+    return;
+  }
+
+  ui->nexusLog->clear();
+  validateKey(key);
+}
+
+void NexusSettingsTab::on_nexusDisconnect_clicked()
+{
+  clearKey();
+  ui->nexusLog->clear();
+  addNexusLog(QObject::tr("Disconnected."));
+}
+
+void NexusSettingsTab::on_clearCacheButton_clicked()
+{
+  QDir(Settings::instance().paths().cache()).removeRecursively();
+  NexusInterface::instance(dialog().pluginContainer())->clearCache();
+}
+
+void NexusSettingsTab::on_associateButton_clicked()
+{
+  Settings::instance().nexus().registerAsNXMHandler(true);
+}
+
+void NexusSettingsTab::validateKey(const QString& key)
+{
+  if (!m_nexusValidator) {
+    m_nexusValidator.reset(new NexusKeyValidator(
+      *NexusInterface::instance(dialog().pluginContainer())->getAccessManager()));
+
+    m_nexusValidator->finished = [&](auto&& r, auto&& m, auto&& u) {
+      onValidatorFinished(r, m, u);
+    };
+  }
+
+  addNexusLog(QObject::tr("Checking API key..."));
+  m_nexusValidator->start(key, NexusKeyValidator::OneShot);
+}
+
+void NexusSettingsTab::onSSOKeyChanged(const QString& key)
+{
+  if (key.isEmpty()) {
+    clearKey();
+  } else {
+    addNexusLog(QObject::tr("Received API key."));
+    validateKey(key);
+  }
+}
+
+void NexusSettingsTab::onSSOStateChanged(NexusSSOLogin::States s, const QString& e)
+{
+  if (s != NexusSSOLogin::Finished) {
+    // finished state is handled in onSSOKeyChanged()
+    const auto log = NexusSSOLogin::stateToString(s, e);
+
+    for (auto&& line : log.split("\n")) {
+      addNexusLog(line);
+    }
+  }
+
+  updateNexusState();
+}
+
+void NexusSettingsTab::onValidatorFinished(
+  ValidationAttempt::Result r, const QString& message,
+  std::optional<APIUserAccount> user)
+{
+  if (user) {
+    NexusInterface::instance(dialog().pluginContainer())->setUserAccount(*user);
+    addNexusLog(QObject::tr("Received user acount information"));
+
+    if (setKey(user->apiKey())) {
+      addNexusLog(QObject::tr("Linked with Nexus successfully."));
+    } else {
+      addNexusLog(QObject::tr("Failed to set API key"));
+    }
+  } else {
+    if (message.isEmpty()) {
+      // shouldn't happen
+      addNexusLog("Unknown error");
+    } else {
+      addNexusLog(message);
+    }
+  }
+
+  updateNexusState();
+}
+
+void NexusSettingsTab::addNexusLog(const QString& s)
+{
+  ui->nexusLog->addItem(s);
+  ui->nexusLog->scrollToBottom();
+}
+
+bool NexusSettingsTab::setKey(const QString& key)
+{
+  dialog().setExitNeeded(Exit::Restart);
+  const bool ret = settings().nexus().setApiKey(key);
+  updateNexusState();
+  return ret;
+}
+
+bool NexusSettingsTab::clearKey()
+{
+  dialog().setExitNeeded(Exit::Restart);
+  const auto ret = settings().nexus().clearApiKey();
+
+  NexusInterface::instance(dialog().pluginContainer())->getAccessManager()->clearApiKey();
+  updateNexusState();
+
+  return ret;
+}
+
+void NexusSettingsTab::updateNexusState()
+{
+  updateNexusButtons();
+  updateNexusData();
+}
+
+void NexusSettingsTab::updateNexusButtons()
+{
+  if (m_nexusLogin && m_nexusLogin->isActive()) {
+    // api key is in the process of being retrieved
+    ui->nexusConnect->setText(QObject::tr("Cancel"));
+    ui->nexusConnect->setEnabled(true);
+    ui->nexusDisconnect->setEnabled(false);
+    ui->nexusManualKey->setText(QObject::tr("Enter API Key Manually"));
+    ui->nexusManualKey->setEnabled(false);
+  }
+  else if (m_nexusValidator && m_nexusValidator->isActive()) {
+    // api key is in the process of being tested
+    ui->nexusConnect->setText(QObject::tr("Connect to Nexus"));
+    ui->nexusConnect->setEnabled(false);
+    ui->nexusDisconnect->setEnabled(false);
+    ui->nexusManualKey->setText(QObject::tr("Cancel"));
+    ui->nexusManualKey->setEnabled(true);
+  }
+  else if (settings().nexus().hasApiKey()) {
+    // api key is present
+    ui->nexusConnect->setText(QObject::tr("Connect to Nexus"));
+    ui->nexusConnect->setEnabled(false);
+    ui->nexusDisconnect->setEnabled(true);
+    ui->nexusManualKey->setText(QObject::tr("Enter API Key Manually"));
+    ui->nexusManualKey->setEnabled(false);
+  } else {
+    // api key not present
+    ui->nexusConnect->setText(QObject::tr("Connect to Nexus"));
+    ui->nexusConnect->setEnabled(true);
+    ui->nexusDisconnect->setEnabled(false);
+    ui->nexusManualKey->setText(QObject::tr("Enter API Key Manually"));
+    ui->nexusManualKey->setEnabled(true);
+  }
+}
+
+void NexusSettingsTab::updateNexusData()
+{
+  const auto user = NexusInterface::instance(dialog().pluginContainer())
+    ->getAPIUserAccount();
+
+  if (user.isValid()) {
+    ui->nexusUserID->setText(user.id());
+    ui->nexusName->setText(user.name());
+    ui->nexusAccount->setText(localizedUserAccountType(user.type()));
+
+    ui->nexusDailyRequests->setText(QString("%1/%2")
+      .arg(user.limits().remainingDailyRequests)
+      .arg(user.limits().maxDailyRequests));
+
+    ui->nexusHourlyRequests->setText(QString("%1/%2")
+      .arg(user.limits().remainingHourlyRequests)
+      .arg(user.limits().maxHourlyRequests));
+  } else {
+    ui->nexusUserID->setText(QObject::tr("N/A"));
+    ui->nexusName->setText(QObject::tr("N/A"));
+    ui->nexusAccount->setText(QObject::tr("N/A"));
+    ui->nexusDailyRequests->setText(QObject::tr("N/A"));
+    ui->nexusHourlyRequests->setText(QObject::tr("N/A"));
+  }
+}