repoindex/alpm/manager.h

#ifndef ALPM_MANAGER_H
#define ALPM_MANAGER_H

#include "package.h"
#include "database.h"

#include "network/aurquery.h"

#include <alpm.h>

#include <QNetworkAccessManager>
#include <QJsonArray>
#include <QFuture>
#include <QUuid>

#include <map>
#include <unordered_map>

namespace PackageManagement {

class Config;

class Manager : QObject
{
public:
    Manager(const Config &config, QObject *parent = nullptr);
    Manager(const Manager &other) = delete;
    Manager(Manager &&other) = delete;
    Manager &operator =(const Manager &other) = delete;
    ~Manager();

    // configuration, signature level, etc
    int sigLevel() const;
    void setSigLevel(int sigLevel);
    int localFileSigLevel() const;
    void setLocalFileSigLevel(int sigLevel);
    const QString &cacheDir() const;
    void parsePacmanConfig();
    void unregisterSyncDataBases();

    // package lookup
    AlpmPackage packageFromSyncDataBase(const QString &dbName, const QString &pkgName);
    AlpmPackage packageFromSyncDataBases(const char *name) const;
    AlpmOwnershipPackage packageFromFile(const char *fileName, bool verifyIntegrity = false);
    bool isPackageIgnored(AlpmPackage package) const;
    void setInstallReason(AlpmPackage package, alpm_pkgreason_t reason);

    // database lookup
    const AlpmDataBase &localDataBase() const;
    AlpmDataBase &localDataBase();
    const std::map<QString, AlpmDataBase> &syncDataBases() const;
    const AlpmDataBase &dataBaseByName(const QString &dbName) const;
    AlpmDataBase &dataBaseByName(const QString &dbName);
    const UpdateLookupResults checkForUpgrades(const AlpmDataBase &db) const;

    // asynchronous tasks
//    void addTask();

    // JSON serialization, handling JSON requests
    QJsonObject basicRepoInfo(AlpmDataBase db, const QString &name, const QString &desc = QString()) const;
    const QJsonArray &basicRepoInfo() const;
    const QJsonArray packageInfo(const QJsonArray &pkgSelection, bool full = true);
    const QJsonArray &groupInfo() const;
    QJsonObject invokeUpgradeLookup(const QJsonObject &request) const;
    const UpdateLookupResults checkForUpgrades(const AlpmDataBase &db, const QJsonValue &syncDbsValue) const;

private:
    void cleanup();

    const Config &m_config;
    alpm_handle_t *m_handle;
    int m_sigLevel;
    int m_localFileSigLevel;
    QString m_cacheDir;
    QNetworkAccessManager m_networkAccessManager;
    AurQuery m_aur;
    mutable AlpmDataBase m_localDb;
    mutable std::map<QString, AlpmDataBase> m_syncDbs;
    mutable QJsonArray m_basicRepoInfo;
    mutable QJsonArray m_packageInfo;
    mutable QJsonArray m_groupInfo;
};

/*!
 * \brief Returns the signature level.
 *
 * The signature level is read from the pacman config
 * when parsePacmanConfig() is called or can be set
 * manually using setSigLevel().
 */
inline int Manager::sigLevel() const
{
    return m_sigLevel;
}

/*!
 * \brief Sets the signature level.
 */
inline void Manager::setSigLevel(int sigLevel)
{
    m_sigLevel = sigLevel;
}

/*!
 * \brief Returns the signature level used when opening local files.
 *
 * The signature level is read from the pacman config
 * when parsePacmanConfig() is called or can be set
 * manually using setSigLevel().
 */
inline int Manager::localFileSigLevel() const
{
    return m_localFileSigLevel;
}

/*!
 * \brief Sets the signature level used when opening local files.
 */
inline void Manager::setLocalFileSigLevel(int sigLevel)
{
    m_localFileSigLevel = sigLevel;
}

/*!
 * \brief Gets the package with the specified \a name from one of the sync databases.
 */
inline AlpmPackage Manager::packageFromSyncDataBases(const char *name) const
{
    return alpm_find_dbs_satisfier(m_handle, alpm_get_syncdbs(m_handle), name);
}

/*!
 * \brief Returns whether the specified \a package is ignored.
 */
inline bool Manager::isPackageIgnored(AlpmPackage package) const
{
    return alpm_pkg_should_ignore(m_handle, package.ptr());
}

/*!
 * \brief Returns the cache directory.
 * \remarks This is read from the Pacman configuration.
 */
inline const QString &Manager::cacheDir() const
{
    return m_cacheDir;
}

}

#endif // ALPM_MANAGER_H