68 lines
2.7 KiB
Java
68 lines
2.7 KiB
Java
package dev.dao;
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import dev.model.User;
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import dev.database.DatabaseConnection;
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import java.lang.reflect.Field;
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import java.sql.*;
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public class UserDao {
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public boolean save(User user) {
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// TODO:
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// Insert user into database
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String sql = "insert into users (username, password, email) values (?, ?, ?) ";
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try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql)){
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Field usernameField = User.class.getDeclaredField("username");
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Field passwordField = User.class.getDeclaredField("password");
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Field emailField = User.class.getDeclaredField("email");
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usernameField.setAccessible(true);
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passwordField.setAccessible(true);
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emailField.setAccessible(true);
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stmt.setString(1, (String) usernameField.get(user));
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stmt.setString(2, (String) passwordField.get(user));
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stmt.setString(3, (String) emailField.get(user));
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int rowsInserted = stmt.executeUpdate();
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return rowsInserted > 0;
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}
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catch (SQLException | NoSuchFieldException | IllegalAccessException ex){
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ex.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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// TODO:
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// Find a user by username
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String sql = "SELECT * FROM users WHERE username = ?";
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try (Connection conn = DatabaseConnection.getConnection(); PreparedStatement stmt = conn.prepareStatement(sql)){
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stmt.setString(1, username);
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try (ResultSet rs = stmt.executeQuery()){
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if (rs.next()){
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User user = new User();
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Field idField = User.class.getDeclaredField("id");
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Field usernameField = User.class.getDeclaredField("username");
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Field passwordField = User.class.getDeclaredField("password");
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Field emailField = User.class.getDeclaredField("email");
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idField.setAccessible(true);
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usernameField.setAccessible(true);
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passwordField.setAccessible(true);
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emailField.setAccessible(true);
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idField.set(user, rs.getInt("id"));
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usernameField.set(user, rs.getString("username"));
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passwordField.set(user, rs.getString("password"));
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emailField.set(user, rs.getString("email"));
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return user;
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}
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}
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}
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catch (SQLException | NoSuchFieldException | IllegalAccessException e){
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e.printStackTrace();
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}
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return null;
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}
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} |