Index.hxx

Go to the documentation of this file.

#pragma once
 
#include "../include/ObjectStorage.hxx"
 
#include <filesystem>
#include <string>
#include <map>

namespace svcs::core {
 
namespace fs = std::filesystem;

struct IndexEntry {
    std::string blob_hash;


    fs::path file_path;

    /**
     * @english
     * @brief The time of the file's last modification, used to detect changes.
     *
     * @russian
     * @brief Время последнего изменения файла, используется для обнаружения изменений.
     */
    fs::file_time_type last_modified;

    long long file_size = 0;
};

class Index {
private:
    std::map<fs::path, IndexEntry> entries;

    fs::path index_file_path;

    fs::path repo_root_path;

    ObjectStorage& storage_;

    static void getFileMetaData(const fs::path& full_path,
        long long& size, fs::file_time_type& mtime);
 
public:
    Index(const fs::path& vcs_root_path, fs::path  repo_root_path, ObjectStorage& storage);

    ~Index();


    void addEntry(const IndexEntry& entry);

    [[nodiscard]] const IndexEntry* getEntry(const fs::path& file_path) const;

    void load();

    void save() const;

    [[nodiscard]] bool write() const;

    [[nodiscard]] bool isFileModified(const fs::path& file_path) const;

    void stage_file(const fs::path& relative_path);

    std::string createTreeObject();
};
 
}