Unsubscribe.hpp

#pragma once
 
#include "feed/SubscriptionManagerInterface.hpp"
#include "feed/Types.hpp"
#include "rpc/common/Specs.hpp"
#include "rpc/common/Types.hpp"
 
#include <boost/json/conversion.hpp>
#include <boost/json/value.hpp>
#include <boost/json/value_to.hpp>
#include <xrpl/protocol/Book.h>
#include <xrpl/protocol/ErrorCodes.h>
#include <xrpl/protocol/jss.h>
 
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <vector>
 
namespace rpc {

 
class UnsubscribeHandler {
    std::shared_ptr<feed::SubscriptionManagerInterface> subscriptions_;
 
public:
    struct OrderBook {
        ripple::Book book;
        bool both = false;
    };

    struct Input {
        std::optional<std::vector<std::string>> accounts;
        std::optional<std::vector<std::string>> streams;
        std::optional<std::vector<std::string>> accountsProposed;
        std::optional<std::vector<OrderBook>> books;
    };
 
    using Output = VoidOutput;
    using Result = HandlerReturnType<Output>;

    UnsubscribeHandler(std::shared_ptr<feed::SubscriptionManagerInterface> const& subscriptions);

    static RpcSpecConstRef
    spec([[maybe_unused]] uint32_t apiVersion);

    Result
    process(Input const& input, Context const& ctx) const;
 
private:
    void
    unsubscribeFromStreams(
        std::vector<std::string> const& streams,
        feed::SubscriberSharedPtr const& session
    ) const;
 
    void
    unsubscribeFromAccounts(
        std::vector<std::string> accounts,
        feed::SubscriberSharedPtr const& session
    ) const;
 
    void
    unsubscribeFromProposedAccounts(
        std::vector<std::string> accountsProposed,
        feed::SubscriberSharedPtr const& session
    ) const;
 
    void
    unsubscribeFromBooks(
        std::vector<OrderBook> const& books,
        feed::SubscriberSharedPtr const& session
    ) const;

    friend Input
    tag_invoke(boost::json::value_to_tag<Input>, boost::json::value const& jv);
};
 
}  // namespace rpc