geostat/ocdb.h

42 wiersze
988 B
C++

#pragma once
#include "cache.h"
#include "api.h"
#include <string>
#include <map>
#include <nlohmann/json_fwd.hpp>
typedef struct sqlite3 sqlite3;
typedef struct sqlite3_stmt sqlite3_stmt;
class Okapi;
using json = nlohmann::json;
class OCdb : public Api {
private:
sqlite3* db;
mutable sqlite3_stmt* stmt;
int revision;
bool request(const std::string& req) const;
bool init_part(const std::string& json_file); // read db dump
bool parse_item(const json& j);
bool update_cache(const json& j);
bool update_log(const json& j);
bool read_revision();
public:
explicit OCdb(const std::string& db_file);
~OCdb();
bool init(const std::string& dump_path); // read db dump
bool update(const Okapi& oc); // apply changelog
int get_revision() const;
void set_revision(int rev);
Caches get_user_caches_not_found(const std::string& uuid) const;
Caches get_user_caches(const std::string& uuid, int count = 0) const override;
std::map<std::string, int> get_region_stats();
};