#include "filtermanager.hpp"
#include "filterlist.h"
#include <QFile>

Filter *FilterManager::addSubscription(const QString &filename, const QUrl &url)
{
    if(filename.isEmpty() && url.isEmpty()) {
        return nullptr;
    }

    QFile f(filename);
    if(!f.exists()) {
        // TODO download file
        return nullptr;
    }

    if(!f.open(QIODevice::ReadOnly | QIODevice::Text)) {
        return nullptr;
    }

    try {
        auto *filter = new AdblockPlus::FilterList(f);
        return filter;
    } catch(std::exception &) {
        return nullptr;
    }
}