MethodHandler.hpp

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/*
    Copyright (C) 2014-2016 Leosac

    This file is part of Leosac.

    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Leosac is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once

#include "ActionActionParam.hpp"
#include "RequestContext.hpp"
#include "core/SecurityContext.hpp"
#include "core/UserSecurityContext.hpp"
#include <json.hpp>

namespace Leosac
{
namespace Module
{
namespace WebSockAPI
{

using json = nlohmann::json;

class MethodHandler
{
  public:
    using Factory = MethodHandlerUPtr (*)(RequestContext);

    MethodHandler(RequestContext ctx)
        : ctx_(ctx)
    {
    }

    virtual ~MethodHandler() = default;

    json process(const ClientMessage &msg);

    static MethodHandlerUPtr create(RequestContext)
    {
        return nullptr;
    }

    UserSecurityContext &security_context();

    ExecutionContext exec_context();

  protected:
    virtual std::vector<ActionActionParam>
    required_permission(const json &req) const = 0;

    RequestContext ctx_;

  private:
    virtual json process_impl(const json &req) = 0;
};
}
}
}