60 lines
1.5 KiB
Java
60 lines
1.5 KiB
Java
package dev.dao;
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import dev.database.DatabaseConnection;
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import dev.model.User;
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import java.sql.*;
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public class UserDao
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{
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public boolean save(User user)
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{
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String sql = "INSERT INTO users(username,password,email) VALUES(?,?,?)";
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try(Connection connection = DatabaseConnection.getConnection();
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PreparedStatement ps = connection.prepareStatement(sql))
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{
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ps.setString(1,user.getUsername());
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ps.setString(2,user.getPassword());
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ps.setString(3,user.getEmail());
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return ps.executeUpdate() > 0;
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}
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catch (SQLException e)
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{
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e.printStackTrace();
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return false;
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}
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}
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public User findByUsername(String username)
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{
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String sql = "SELECT * FROM users WHERE username=?";
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try(Connection connection = DatabaseConnection.getConnection();
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PreparedStatement ps = connection.prepareStatement(sql))
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{
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ps.setString(1,username);
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ResultSet rs = ps.executeQuery();
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if(rs.next())
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{
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User user = new User();
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user.setId(rs.getInt("id"));
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user.setUsername(rs.getString("username"));
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user.setPassword(rs.getString("password"));
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user.setEmail(rs.getString("email"));
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return user;
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}
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}
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catch (SQLException e)
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{
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e.printStackTrace();
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}
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return null;
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}
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} |