Implement account registration

Implements #7

src/registration.h

@@ -0,0 +1,163 @@
+// SPDX-FileCopyrightText: 2023 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QJsonObject>
+#include <QObject>
+#include <QPointer>
+#include <QString>
+#include <QVariantMap>
+#include <QVector>
+
+#include <Quotient/csapi/registration.h>
+#include <Task>
+
+#include <Quotient/connection.h>
+
+#include <Quotient/jobs/basejob.h>
+#include <Quotient/util.h>
+
+namespace Quotient
+{
+class Connection;
+class CheckUsernameAvailabilityJob;
+}
+
+class NeoChatRegisterJob : public Quotient::BaseJob
+{
+public:
+    explicit NeoChatRegisterJob(const QString &kind = QStringLiteral("user"),
+                                const Quotient::Omittable<QJsonObject> &auth = Quotient::none,
+                                const QString &username = {},
+                                const QString &password = {},
+                                const QString &deviceId = {},
+                                const QString &initialDeviceDisplayName = {},
+                                Quotient::Omittable<bool> inhibitLogin = Quotient::none);
+
+    QString userId() const
+    {
+        return loadFromJson<QString>(QStringLiteral("user_id"));
+    }
+
+    QString accessToken() const
+    {
+        return loadFromJson<QString>(QStringLiteral("access_token"));
+    }
+
+    QString homeServer() const
+    {
+        return loadFromJson<QString>(QStringLiteral("home_server"));
+    }
+
+    QString deviceId() const
+    {
+        return loadFromJson<QString>(QStringLiteral("device_id"));
+    }
+};
+
+class Registration : public QObject
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QString homeserver READ homeserver WRITE setHomeserver NOTIFY homeserverChanged)
+    Q_PROPERTY(QString username READ username WRITE setUsername NOTIFY usernameChanged)
+    Q_PROPERTY(QString recaptchaSiteKey READ recaptchaSiteKey WRITE setRecaptchaSiteKey NOTIFY recaptchaSiteKeyChanged)
+    Q_PROPERTY(QString recaptchaResponse READ recaptchaResponse WRITE setRecaptchaResponse NOTIFY recaptchaResponseChanged)
+    Q_PROPERTY(QString password READ password WRITE setPassword NOTIFY passwordChanged)
+    Q_PROPERTY(QString email READ email WRITE setEmail NOTIFY emailChanged)
+    Q_PROPERTY(QString nextStep READ nextStep WRITE setNextStep NOTIFY nextStepChanged)
+    Q_PROPERTY(QVector<QVariantMap> terms READ terms NOTIFY termsChanged)
+    Q_PROPERTY(Status status READ status NOTIFY statusChanged)
+    Q_PROPERTY(QString statusString READ statusString NOTIFY statusChanged)
+
+public:
+    enum Status {
+        NoServer,
+        TestingHomeserver,
+        InvalidServer,
+        ServerNoRegistration,
+        NoUsername,
+        TestingUsername,
+        UsernameTaken,
+        Ready,
+        Working,
+    };
+    Q_ENUM(Status);
+    static Registration &instance()
+    {
+        static Registration _instance;
+        return _instance;
+    }
+
+    Q_INVOKABLE void registerAccount();
+    Q_INVOKABLE void registerEmail();
+
+    void setRecaptchaSiteKey(const QString &recaptchaSiteKey);
+    QString recaptchaSiteKey() const;
+
+    void setRecaptchaResponse(const QString &response);
+    QString recaptchaResponse() const;
+
+    void setHomeserver(const QString &url);
+    QString homeserver() const;
+
+    QString username() const;
+    void setUsername(const QString &username);
+
+    QString password() const;
+    void setPassword(const QString &password);
+
+    [[nodiscard]] QString email() const;
+    void setEmail(const QString &email);
+
+    QString nextStep() const;
+    void setNextStep(const QString &nextStep);
+
+    QVector<QVariantMap> terms() const;
+
+    Status status() const;
+    QString statusString() const;
+
+Q_SIGNALS:
+    void recaptchaSiteKeyChanged();
+    void recaptchaResponseChanged();
+    void homeserverChanged();
+    void homeserverAvailableChanged();
+    void testingChanged();
+    void usernameChanged();
+    void usernameAvailableChanged();
+    void testingUsernameChanged();
+    void flowsChanged();
+    void termsChanged();
+    void passwordChanged();
+    void emailChanged();
+    void nextStepChanged();
+    void statusChanged();
+
+private:
+    QString m_recaptchaSiteKey;
+    QString m_recaptchaResponse;
+    QString m_homeserver;
+    QString m_username;
+    QString m_password;
+    QVector<QVariantMap> m_terms;
+    QString m_email;
+    Status m_status = NoServer;
+    QString m_nextStep;
+    QString m_session;
+    QString m_sid;
+    QString m_emailSecret;
+
+    QPointer<Quotient::CheckUsernameAvailabilityJob> m_usernameJob;
+    QPointer<NeoChatRegisterJob> m_testServerJob;
+    QVector<QVector<QString>> m_flows;
+    QPointer<Quotient::Connection> m_connection;
+
+    void testHomeserver();
+    void testUsername();
+    QCoro::Task<void> loadFlows();
+    void setStatus(Status status);
+
+    Registration();
+};