thêm phần paths

src/storage/path_store.hpp

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <nlohmann/json.hpp>
+
+#include <mutex>
+#include <optional>
+#include <string>
+
+namespace lm {
+
+class Database;
+
+class PathStore
+{
+public:
+  explicit PathStore(Database& db);
+
+  nlohmann::json list(const std::string& site_id = "") const;
+  std::optional<nlohmann::json> find(const std::string& id) const;
+  std::optional<nlohmann::json> findBetween(const std::string& map_id,
+                                            const std::string& from_position_id,
+                                            const std::string& to_position_id) const;
+  std::optional<nlohmann::json> upsert(const nlohmann::json& payload, std::string& err);
+  bool remove(const std::string& id, std::string& err);
+  int removeForMap(const std::string& map_id);
+  int removeForPosition(const std::string& map_id, const std::string& position_id);
+
+private:
+  Database& db_;
+  mutable std::mutex mu_;
+};
+
+}  // namespace lm