49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
#ifndef DATABASE_HPP
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#define DATABASE_HPP
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#include <filesystem>
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#include <string>
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#include <nlohmann/json.hpp>
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typedef struct sqlite3 sqlite3;
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namespace simple_object_storage {
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class dbEntry {
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public:
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std::string hash; // unique primary key
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std::vector<std::string> labeltags; // multiple label:tag pairs
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nlohmann::json metadata;
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};
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class Database {
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public:
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static const int CURRENT_VERSION = 3;
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Database(const std::filesystem::path& path);
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~Database();
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bool remove_by_hash(const std::string& hash);
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bool get(const std::string& hash_or_labeltag, dbEntry& entry);
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bool list(std::vector<dbEntry>& entries);
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bool update_or_insert(const dbEntry& entry);
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private:
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std::filesystem::path path_;
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sqlite3* db_;
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bool createVersionTable();
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bool getVersion(int& version);
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bool setVersion(int version);
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bool migrate(int from_version, int to_version);
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bool createObjectsTable();
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// New utility functions
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bool merge_existing_entry(const dbEntry& existing, const dbEntry& new_entry, dbEntry& merged);
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bool insert_new_entry(const dbEntry& entry);
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bool handle_tag_conflicts(const dbEntry& entry);
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bool run_sql_text(const std::string& sql, const std::string& bind_text, dbEntry& entry);
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};
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} // namespace simple_object_storage
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#endif // DATABASE_HPP
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