refactor(ReservationRepository): [9단계] 예약 쿼리 수정

Author: developowl

src/main/java/roomescape/model/reservation/ReservationRepository.java

@@ -3,6 +3,7 @@
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.core.RowMapper;
 import org.springframework.stereotype.Repository;
+import roomescape.model.time.Time;
 
 import java.sql.ResultSet;
 import java.sql.SQLException;
@@ -17,15 +18,35 @@ public ReservationRepository(JdbcTemplate jdbcTemplate) {
     }
 
     public List<Reservation> findAll() {
-        String sql = "SELECT * FROM reservation";
+        String sql = """
+            SELECT 
+                r.id as reservation_id, 
+                r.name, 
+                r.date, 
+                t.id as time_id, 
+                t.time as time_value 
+            FROM reservation as r 
+            INNER JOIN time as t ON r.time_id = t.id
+        """;
+
         return jdbcTemplate.query(sql, new ReservationRowMapper());
     }
 
     private static class ReservationRowMapper implements RowMapper<Reservation> {
         @Override
         public Reservation mapRow(ResultSet rs, int rowNum) throws SQLException {
-            Reservation reservation = new Reservation(rs.getString("name"), rs.getString("date"), rs.getString("time"));
-            reservation.setId(rs.getLong("id"));
+
+            Long timeId  = rs.getLong("time_id");
+            String timeValue = rs.getString("time_value");
+
+            Time time = new Time(timeValue);
+
+            Reservation reservation = new Reservation(
+                    rs.getString("name"),
+                    rs.getString("date"),
+                    time
+            );
+            reservation.setId(rs.getLong("reservation_id"));
             return reservation;
         }
     }