feat: Add settings page for providers (#353)

sources/providersConfig/ProviderSecretsStore.cpp

@@ -0,0 +1,75 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ProviderSecretsStore.hpp"
+
+#include <coreplugin/icore.h>
+#include <utils/qtcsettings.h>
+
+namespace QodeAssist::Providers {
+
+namespace {
+
+constexpr auto kGroup = "QodeAssist/Keychain";
+
+Utils::Key settingsKey(const QString &ref)
+{
+    return Utils::Key(QStringLiteral("%1/%2")
+                          .arg(QLatin1StringView(kGroup))
+                          .arg(ref)
+                          .toUtf8());
+}
+
+} // namespace
+
+ProviderSecretsStore::ProviderSecretsStore(QObject *parent)
+    : QObject(parent)
+{}
+
+ProviderSecretsStore::~ProviderSecretsStore() = default;
+
+QString ProviderSecretsStore::readKeySync(const QString &ref) const
+{
+    if (ref.isEmpty())
+        return {};
+    auto *s = Core::ICore::settings();
+    if (!s)
+        return {};
+    return s->value(settingsKey(ref)).toString();
+}
+
+void ProviderSecretsStore::writeKey(const QString &ref, const QString &value)
+{
+    if (ref.isEmpty())
+        return;
+    auto *s = Core::ICore::settings();
+    if (!s)
+        return;
+    s->setValue(settingsKey(ref), value);
+    s->sync();
+    emit keyChanged(ref);
+}
+
+void ProviderSecretsStore::eraseKey(const QString &ref)
+{
+    if (ref.isEmpty())
+        return;
+    auto *s = Core::ICore::settings();
+    if (!s)
+        return;
+    s->remove(settingsKey(ref));
+    s->sync();
+    emit keyChanged(ref);
+}
+
+bool ProviderSecretsStore::hasKey(const QString &ref) const
+{
+    if (ref.isEmpty())
+        return false;
+    auto *s = Core::ICore::settings();
+    if (!s)
+        return false;
+    return s->contains(settingsKey(ref));
+}
+
+} // namespace QodeAssist::Providers