Add AccountRegistry

Basic session management class; Created from Quaternion's
AccountRegistry
and NeoChat's AccountListModel.
The connections can be accessed by the user's id, this technically
limits it to one connection for each matrix account.

3 files changed, 144 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49105389..3c6e7548 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -140,6 +140,7 @@ list(APPEND lib_SRCS
     lib/util.cpp
     lib/encryptionmanager.cpp
     lib/eventitem.cpp
+    lib/accountregistry.cpp
     lib/events/event.cpp
     lib/events/roomevent.cpp
     lib/events/stateevent.cpp
diff --git a/lib/accountregistry.cpp b/lib/accountregistry.cpp
new file mode 100644
index 00000000..3a022f14
--- /dev/null
+++ b/lib/accountregistry.cpp
@@ -0,0 +1,98 @@
+// SPDX-FileCopyrightText: Kitsune Ral <Kitsune-Ral@users.sf.net>
+// SPDX-FileCopyrightText: Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#include "accountregistry.h"
+
+#include "connection.h"
+
+using namespace Quotient;
+
+void AccountRegistry::add(Connection* c)
+{
+    if (m_accounts.contains(c))
+        return;
+    beginInsertRows(QModelIndex(), m_accounts.size(), m_accounts.size());
+    m_accounts += c;
+    endInsertRows();
+}
+
+void AccountRegistry::drop(Connection* c)
+{
+    beginRemoveRows(QModelIndex(), m_accounts.indexOf(c), m_accounts.indexOf(c));
+    m_accounts.removeOne(c);
+    endRemoveRows();
+    Q_ASSERT(!m_accounts.contains(c));
+}
+
+bool AccountRegistry::isLoggedIn(const QString &userId) const
+{
+    return std::any_of(m_accounts.cbegin(), m_accounts.cend(),
+                       [&userId](Connection* a) { return a->userId() == userId; });
+}
+
+bool AccountRegistry::contains(Connection *c) const
+{
+    return m_accounts.contains(c);
+}
+
+AccountRegistry::AccountRegistry()
+{}
+
+QVariant AccountRegistry::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid()) {
+        return {};
+    }
+
+    if (index.row() >= m_accounts.count()) {
+        return {};
+    }
+
+    auto account = m_accounts[index.row()];
+
+    if (role == ConnectionRole) {
+        return QVariant::fromValue(account);
+    }
+
+    return {};
+}
+
+int AccountRegistry::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid()) {
+        return 0;
+    }
+
+    return m_accounts.count();
+}
+
+QHash<int, QByteArray> AccountRegistry::roleNames() const
+{
+    return {{ConnectionRole, "connection"}};
+}
+
+bool AccountRegistry::isEmpty() const
+{
+    return m_accounts.isEmpty();
+}
+
+int AccountRegistry::count() const
+{
+    return m_accounts.count();
+}
+
+const QVector<Connection*> AccountRegistry::accounts() const
+{
+    return m_accounts;
+}
+
+Connection* AccountRegistry::get(const QString& userId)
+{
+    for (const auto &connection : m_accounts) {
+        if(connection->userId() == userId) {
+            return connection;
+        }
+    }
+    return nullptr;
+}
\ No newline at end of file
diff --git a/lib/accountregistry.h b/lib/accountregistry.h
new file mode 100644
index 00000000..e87da3e8
--- /dev/null
+++ b/lib/accountregistry.h
@@ -0,0 +1,45 @@
+// SPDX-FileCopyrightText: 2020 Kitsune Ral <Kitsune-Ral@users.sf.net>
+// SPDX-FileCopyrightText: Tobias Fella <fella@posteo.de>
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#pragma once
+
+#include <QtCore/QObject>
+#include <QtCore/QList>
+#include <QtCore/QAbstractListModel>
+
+namespace Quotient {
+class Connection;
+
+class AccountRegistry : public QAbstractListModel {
+    Q_OBJECT
+public:
+    enum EventRoles {
+        ConnectionRole = Qt::UserRole + 1,
+    };
+
+    static AccountRegistry &instance() {
+        static AccountRegistry _instance;
+        return _instance;
+    }
+
+    const QVector<Connection*> accounts() const;
+    void add(Connection* a);
+    void drop(Connection* a);
+    bool isLoggedIn(const QString& userId) const;
+    bool isEmpty() const;
+    int count() const;
+    bool contains(Connection*) const;
+    Connection* get(const QString& userId);
+
+    [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+    [[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+
+    [[nodiscard]] QHash<int, QByteArray> roleNames() const override;
+
+private:
+    AccountRegistry();
+
+    QVector<Connection *> m_accounts;
+};
+}
\ No newline at end of file