add tool。

Base/Database.h

@@ -0,0 +1,37 @@
+#ifndef __DATABASE_H__
+#define __DATABASE_H__
+
+#include "DataStructure.h"
+#include <list>
+#include <string>
+
+typedef struct sqlite3 sqlite3;
+
+namespace Older {
+class Database {
+public:
+    bool open(const std::string &path);
+    void upsertVisitRecord(const std::string &url, const std::string &visitorUuid, const std::string &userAgent,
+                           int64_t viewTime);
+    VisitorStats visitorStats(const std::string &url);
+
+    std::list<VisitorStats> mostViewedUrls(int n);
+    std::list<VisitorStats> latestViewedUrls(int n);
+    SiteStats siteStats();
+    std::list<VisitRecord> visitRecords();
+    bool removeVisitRecord(int id);
+    void createUser(const Account &account);
+    Account user(const std::string &identifier) const;
+    Account user(int64_t id) const;
+
+protected:
+    void createVisitAnalysisTable();
+    void createUsersTable();
+    void initialize();
+
+private:
+    sqlite3 *m_sqlite = nullptr;
+};
+} // namespace Older
+
+#endif // __DATABASE_H__