staging/smolblok/filtermanager.hpp


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#pragma once

#include <QSettings>
#include <QWebEngineUrlRequestInterceptor>
#include <smolbote/filterinterface.hpp>

class FilterManager : public QWebEngineUrlRequestInterceptor
{
public:
    FilterManager(QObject *parent = nullptr)
        : QWebEngineUrlRequestInterceptor(parent)
    {
    }
    ~FilterManager()
    {
        qDeleteAll(filters);
    }

    auto installSubscriptions(const QString &filename)
    {
        struct {
            bool success = true;
        } ret;

        QSettings listconf(filename, QSettings::IniFormat);

        for(const auto &group : listconf.childGroups()) {
            listconf.beginGroup(group);
            auto *r = addSubscription(listconf.value("File").toString(), listconf.value("Href").toString());
            if(r != nullptr) {
                filters.append(r);
            } else {
                ret.success = false;
            }
            listconf.endGroup();
        }

        return ret;
    }

    void interceptRequest(QWebEngineUrlRequestInfo &info) override
    {
        for(const auto *filter : filters) {
            if(filter->filter(info)) {
                return;
            }
        }
    }

protected:
    static Filter *addSubscription(const QString &filename, const QUrl &url);

private:
    QList<Filter *> filters;
};