#8: Setup Model, DAO & Fixtures
Signed-off-by: Dominik Säume <Dominik.Saeume@hmmh.de>
This commit is contained in:
parent
ed6a19b6af
commit
375fbe4826
10 changed files with 404 additions and 7 deletions
Binary file not shown.
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@ -34,8 +34,8 @@ public class Main extends Application {
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@Override
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public void start(Stage primaryStage) {
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this.primaryStage = primaryStage;
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executePassword();
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//executeMainApplication();
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//executePassword();
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executeMainApplication();
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}
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private void executePassword() {
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@ -1,5 +1,6 @@
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package de.hitec.nhplus.datastorage;
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import de.hitec.nhplus.login.database.UserDao;
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import de.hitec.nhplus.medication.database.MedicationDao;
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import de.hitec.nhplus.nurse.database.NurseDao;
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import de.hitec.nhplus.patient.database.PatientDao;
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@ -63,4 +64,12 @@ public class DaoFactory {
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public MedicationDao createMedicationDAO() {
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return new MedicationDao(ConnectionBuilder.getConnection());
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}
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/**
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* @return A new {@link UserDao} instance with a database connection.
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* @see de.hitec.nhplus.login.User User
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*/
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public UserDao createUserDAO() {
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return new UserDao(ConnectionBuilder.getConnection());
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}
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}
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@ -46,6 +46,11 @@ public class Fixtures {
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medicationFixture.setupTable(connection);
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medicationFixture.load();
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UserFixture userFixture = new UserFixture();
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userFixture.dropTable(connection);
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userFixture.setupTable(connection);
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userFixture.load();
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} catch (Exception exception) {
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System.out.println(exception.getMessage());
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}
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83
src/main/java/de/hitec/nhplus/fixtures/UserFixture.java
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83
src/main/java/de/hitec/nhplus/fixtures/UserFixture.java
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@ -0,0 +1,83 @@
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package de.hitec.nhplus.fixtures;
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import de.hitec.nhplus.Main;
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import de.hitec.nhplus.datastorage.DaoFactory;
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import de.hitec.nhplus.login.User;
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import de.hitec.nhplus.login.database.UserDao;
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import de.hitec.nhplus.medication.Medication;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.*;
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public class UserFixture implements Fixture<User>{
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private static final String SCHEMA = "/de/hitec/nhplus/login/database/User.sql";
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private static final String PERMISSION_SCHEMA = "/de/hitec/nhplus/login/database/UserPermission.sql";
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private static final String TO_NURSE_SCHEMA = "/de/hitec/nhplus/login/database/UserToNurse.sql";
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@Override
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public void dropTable(Connection connection) throws SQLException {
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connection.createStatement().execute("DROP TABLE IF EXISTS user");
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connection.createStatement().execute("DROP TABLE IF EXISTS user__permissions");
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connection.createStatement().execute("DROP TABLE IF EXISTS user__nurse");
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}
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@Override
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public void setupTable(Connection connection) throws SQLException {
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final InputStream schema = Main.class.getResourceAsStream(SCHEMA);
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final InputStream permissionSchema = Main.class.getResourceAsStream(PERMISSION_SCHEMA);
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final InputStream toNurseSchema = Main.class.getResourceAsStream(TO_NURSE_SCHEMA);
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assert schema != null;
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assert permissionSchema != null;
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assert toNurseSchema != null;
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String SQL = new Scanner(schema, StandardCharsets.UTF_8)
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.useDelimiter("\\A")
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.next();
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String permissionSQL = new Scanner(permissionSchema, StandardCharsets.UTF_8)
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.useDelimiter("\\A")
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.next();
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String toNurseSQL = new Scanner(toNurseSchema, StandardCharsets.UTF_8)
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.useDelimiter("\\A")
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.next();
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connection.createStatement().execute(SQL);
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connection.createStatement().execute(permissionSQL);
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connection.createStatement().execute(toNurseSQL);
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}
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@Override
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public Map<String, User> load() throws SQLException {
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List<User> users = new ArrayList<>();
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User udo = new User(
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"udo",
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null,
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null,
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Integer.parseInt("00000001", 2),
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null
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);
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udo.setPassword("uD0_187!");
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users.add(udo);
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User maria = new User(
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"maria",
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null,
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null,
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0,
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null
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);
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maria.setPassword("H!mm3lf4hrt");
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users.add(maria);
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UserDao dao = DaoFactory.getInstance().createUserDAO();
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Map<String, User> usersByUsername = new HashMap<>();
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for (User user : users){
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dao.create(user);
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usersByUsername.put(user.getUsername(), user);
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}
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return usersByUsername;
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}
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}
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98
src/main/java/de/hitec/nhplus/login/User.java
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98
src/main/java/de/hitec/nhplus/login/User.java
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@ -0,0 +1,98 @@
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package de.hitec.nhplus.login;
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import de.hitec.nhplus.nurse.Nurse;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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public class User {
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private int id;
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private String username;
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private byte[] passwordSalt;
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private byte[] passwordHash;
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private int permissions = 0;
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private Nurse nurse;
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public User(
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int id,
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String username,
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byte[] passwordSalt,
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byte[] passwordHash,
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int permissions,
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Nurse nurse
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) {
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this.id = id;
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this.username = username;
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this.passwordSalt = passwordSalt;
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this.passwordHash = passwordHash;
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this.permissions = permissions;
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this.nurse = nurse;
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}
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public User(
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String username,
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byte[] passwordSalt,
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byte[] passwordHash,
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int permissions,
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Nurse nurse
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) {
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this.username = username;
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this.passwordSalt = passwordSalt;
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this.passwordHash = passwordHash;
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this.permissions = permissions;
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this.nurse = nurse;
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}
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public int getId() {
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return id;
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}
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public byte[] getPasswordSalt() {
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return passwordSalt;
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}
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public byte[] getPasswordHash() {
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return passwordHash;
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}
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public void setPassword(String password) {
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try {
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SecureRandom random = new SecureRandom();
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byte[] salt = new byte[32];
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random.nextBytes(salt);
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this.passwordSalt = salt;
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MessageDigest md = MessageDigest.getInstance("SHA-512");
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md.update(salt);
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this.passwordHash = md.digest(password.getBytes(StandardCharsets.UTF_8));
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}catch (NoSuchAlgorithmException exception){
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exception.printStackTrace();
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}
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}
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public String getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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public int getPermissions() {
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return permissions;
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}
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public void setPermissions(int permissions) {
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this.permissions = permissions;
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}
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public Nurse getNurse() {
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return nurse;
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}
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public void setNurse(Nurse nurse) {
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this.nurse = nurse;
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}
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}
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202
src/main/java/de/hitec/nhplus/login/database/UserDao.java
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src/main/java/de/hitec/nhplus/login/database/UserDao.java
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package de.hitec.nhplus.login.database;
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import de.hitec.nhplus.datastorage.Dao;
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import de.hitec.nhplus.datastorage.DaoFactory;
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import de.hitec.nhplus.login.User;
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import de.hitec.nhplus.nurse.Nurse;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.List;
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public class UserDao implements Dao<User> {
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protected final Connection connection;
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public UserDao(Connection connection) {
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this.connection = connection;
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}
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public int readUserId(String username) throws SQLException {
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final String SQL = "SELECT id FROM user WHERE username = ?";
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PreparedStatement statement = this.connection.prepareStatement(SQL);
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statement.setString(1, username);
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return statement.executeQuery().getInt(1);
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}
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public byte[] readPasswordSalt(int id) throws SQLException {
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final String SQL = "SELECT passwordSalt FROM user WHERE id = ?";
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PreparedStatement statement = this.connection.prepareStatement(SQL);
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statement.setInt(1, id);
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return statement.executeQuery().getBytes(1);
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}
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public byte[] readPasswordHash(int id) throws SQLException {
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final String SQL = "SELECT passwordHash FROM user WHERE id = ?";
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PreparedStatement statement = this.connection.prepareStatement(SQL);
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statement.setInt(1, id);
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return statement.executeQuery().getBytes(1);
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}
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@Override
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public User read(int id) throws SQLException {
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final String SQL = """
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SELECT user.username, user.passwordSalt, user.passwordHash, user__permissions.permissions, user__nurse.nurseId
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FROM user
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LEFT JOIN user__permissions ON user.id = user__permissions.userId
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LEFT JOIN user__nurse ON user.id = user__nurse.userId
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WHERE user.id = ?;
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""";
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PreparedStatement statement = this.connection.prepareStatement(SQL);
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statement.setInt(1, id);
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ResultSet result = statement.executeQuery();
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int nurseId = result.getInt(5);
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Nurse nurse = null;
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if (!result.wasNull()) {
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nurse = DaoFactory.getInstance().createNurseDAO().read(nurseId);
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}
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return new User(
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id,
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result.getString(1),
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result.getBytes(2),
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result.getBytes(3),
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result.getInt(4),
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nurse
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);
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}
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@Override
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public void create(User user) throws SQLException {
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connection.setAutoCommit(false); //Switch to Manual Commit, to do an SQL Transaction
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final String userSQL = """
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INSERT INTO user
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(username, passwordSalt, passwordHash)
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VALUES (?, ?, ?);
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""";
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PreparedStatement statement = this.connection.prepareStatement(userSQL);
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statement.setString(1, user.getUsername());
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statement.setBytes(2, user.getPasswordSalt());
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statement.setBytes(3, user.getPasswordHash());
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statement.execute();
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ResultSet generatedKeys = connection.createStatement().executeQuery("SELECT id FROM user");
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connection.commit(); //Finish SQL Transaction
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connection.setAutoCommit(true); //Switch back Mode
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if (!generatedKeys.next()) {
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return;
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}
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int newId = generatedKeys.getInt(1);
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final String permissionSQL = """
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INSERT INTO user__permissions
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(userId, permissions)
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VALUES (?, ?);
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""";
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PreparedStatement permissionStatement = this.connection.prepareStatement(permissionSQL);
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permissionStatement.setInt(1, newId);
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permissionStatement.setInt(2, user.getPermissions());
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permissionStatement.execute();
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if (user.getNurse() == null) {
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return;
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}
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final String nurseSQL = """
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INSERT INTO user__nurse
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(userId, nurseId)
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VALUES (?, ?);
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""";
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PreparedStatement nurseStatement = this.connection.prepareStatement(nurseSQL);
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permissionStatement.setInt(1, newId);
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permissionStatement.setInt(2, user.getNurse().getId());
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permissionStatement.execute();
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}
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@Override
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public void update(User user) throws SQLException {
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final String userSQL = """
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UPDATE user SET
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username = ?,
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passwordSalt = ?,
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passwordHash = ?
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WHERE id = ?
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""";
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PreparedStatement statement = this.connection.prepareStatement(userSQL);
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statement.setString(1, user.getUsername());
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statement.setBytes(2, user.getPasswordSalt());
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statement.setBytes(3, user.getPasswordHash());
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statement.setInt(3, user.getId());
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statement.executeUpdate();
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final String permissionSQL = """
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UPDATE user__permissions SET
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permissions = ?
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WHERE userId = ?
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""";
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PreparedStatement permissionStatement = this.connection.prepareStatement(permissionSQL);
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permissionStatement.setInt(1, user.getPermissions());
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permissionStatement.setInt(2, user.getId());
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permissionStatement.executeUpdate();
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if (user.getNurse() == null) {
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final String nurseSQL = """
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DELETE FROM user__nurse WHERE userId = ?
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""";
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this.connection.prepareStatement(nurseSQL).executeUpdate();
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return;
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}
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final String nurseSQL = """
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UPDATE user__nurse set
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nurseId = ?
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WHERE userId = ?
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""";
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PreparedStatement nurseStatement = this.connection.prepareStatement(nurseSQL);
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nurseStatement.setInt(1, user.getNurse().getId());
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nurseStatement.setInt(2, user.getId());
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permissionStatement.executeUpdate();
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}
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@Override
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public void delete(int id) throws SQLException {
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final String SQL = """
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DELETE FROM user WHERE user.id = ?;
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""";
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PreparedStatement preparedStatement = this.connection.prepareStatement(SQL);
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preparedStatement.setInt(1, id);
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preparedStatement.executeUpdate();
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}
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@Override
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public List<User> readAll() throws SQLException {
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final String SQL = """
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SELECT user.id, user.username, user.passwordSalt, user.passwordHash, user__permissions.permissions, user__nurse.nurseId
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FROM user
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LEFT JOIN user__permissions ON user.id = user__permissions.userId
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LEFT JOIN user__nurse ON user.id = user__nurse.userId
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""";
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ResultSet result = connection.prepareStatement(SQL).executeQuery();
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List<User> users = new ArrayList<>();
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while (result.next()) {
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int nurseId = result.getInt(6);
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Nurse nurse = null;
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if (!result.wasNull()) {
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nurse = DaoFactory.getInstance().createNurseDAO().read(nurseId);
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}
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users.add(new User(
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result.getInt(1),
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result.getString(2),
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result.getBytes(3),
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result.getBytes(4),
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result.getInt(5),
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nurse
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));
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}
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return users;
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}
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}
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@ -1,7 +1,7 @@
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CREATE TABLE user
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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username TEXT NOT NULL,
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username TEXT NOT NULL UNIQUE,
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passwordSalt BLOB NOT NULL,
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passwordHash BLOB NOT NULL
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)
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@ -1,6 +1,6 @@
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CREATE TABLE user__permissions
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(
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userId INTEGER NOT NULL,
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permissions INTEGER, -- Binary Bitmask for Permissions
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userId INTEGER NOT NULL UNIQUE,
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permissions INTEGER NOT NULL, -- Binary Bitmask for Permissions
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FOREIGN KEY (userId) REFERENCES user (id) ON DELETE CASCADE
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)
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@ -1,7 +1,7 @@
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CREATE TABLE user__nurse
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(
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userId INTEGER NOT NULL,
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nurseId INTEGER NOT NULL,
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userId INTEGER NOT NULL UNIQUE,
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nurseId INTEGER NOT NULL UNIQUE,
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FOREIGN KEY (userId) REFERENCES user (id) ON DELETE CASCADE,
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FOREIGN KEY (nurseId) REFERENCES nurse (id) ON DELETE CASCADE
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)
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