database: Add fetch() for SessionDao

database/sessiondao.h

@@ -10,6 +10,7 @@ class SessionDao
 	virtual void save(const Session &session) = 0;
 	virtual std::optional<Session> find(std::string token) = 0;
 	virtual void deleteSession(std::string token) = 0;
+	virtual std::vector<Session> fetch() = 0;
 	virtual ~SessionDao()
 	{
 	}

database/sessiondaosqlite.cpp

@@ -50,6 +50,29 @@ void SessionDaoSqlite::deleteSession(std::string token)
 	}
 }
 
+void SessionDaoSqlite::fillSession(int userid, Session &sess)
+{
+	if(userid > -1)
+	{
+		UserDaoSqlite userDao{this->db};
+		auto u = userDao.find(userid);
+		if(u)
+		{
+			sess.user = *u;
+		}
+		else
+		{
+			Logger::error() << "Session for non existent user";
+			throw DatabaseQueryException("Session for non existent user");
+		}
+	}
+	else
+	{
+		sess.user = User::Anonymous();
+	}
+	sess.loggedIn = userid != -1;
+}
+
 std::optional<Session> SessionDaoSqlite::find(std::string token)
 {
 	Session result;
@@ -62,25 +85,7 @@ std::optional<Session> SessionDaoSqlite::find(std::string token)
 		int userid;
 		q >> std::tie(userid, result.token, result.csrf_token, result.creation_time);
 
-		if(userid > -1)
-		{
-			UserDaoSqlite userDao{this->db};
-			auto u = userDao.find(userid);
-			if(u)
-			{
-				result.user = *u;
-			}
-			else
-			{
-				Logger::error() << "Session for non existent user";
-				throw DatabaseQueryException("Session for non existent user");
-			}
-		}
-		else
-		{
-			result.user = User::Anonymous();
-		}
-		result.loggedIn = userid != -1;
+		fillSession(userid, result);
 	}
 	catch(const sqlite::exceptions::no_rows &e)
 	{
@@ -92,3 +97,23 @@ std::optional<Session> SessionDaoSqlite::find(std::string token)
 	}
 	return result;
 }
+
+std::vector<Session> SessionDaoSqlite::fetch()
+{
+	std::vector<Session> result;
+
+	*db << "SELECT userid, token, csrf_token, strftime('%s', creationtime) FROM session" >>
+		[this, &result](int userid, std::string token, std::string csrf_token, time_t creationtime)
+	{
+		Session tmp;
+		tmp.csrf_token = csrf_token;
+		tmp.token = token;
+		tmp.creation_time = creationtime;
+
+		fillSession(userid, tmp);
+
+		result.push_back(tmp);
+	};
+
+	return result;
+}

database/sessiondaosqlite.h

@@ -6,11 +6,15 @@
 
 class SessionDaoSqlite : public SessionDao, protected SqliteDao
 {
+private:
+  void fillSession(int userid, Session &sess);
+
   public:
 	SessionDaoSqlite();
 	void save(const Session &session) override;
 	std::optional<Session> find(std::string token) override;
 	void deleteSession(std::string token) override;
+	std::vector<Session> fetch() override;
 	using SqliteDao::SqliteDao;
 };