added DAOs for Role and User

src/main/java/com/skiwi/githubhooksechatservice/dao/RoleDAO.java

@@ -0,0 +1,11 @@
+package com.skiwi.githubhooksechatservice.dao;
+
+import com.skiwi.githubhooksechatservice.model.Role;
+
+public interface RoleDAO {
+
+	Role getRole(int id);
+
+	Role createOrGetRole(String string);
+
+}

src/main/java/com/skiwi/githubhooksechatservice/dao/RoleDAOImpl.java

@@ -0,0 +1,49 @@
+package com.skiwi.githubhooksechatservice.dao;
+
+import org.hibernate.Query;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+
+import com.skiwi.githubhooksechatservice.model.Role;
+
+@Repository
+public class RoleDAOImpl implements RoleDAO {
+
+	@Autowired
+	private SessionFactory sessionFactory;
+
+	private Session openSession() {
+		return sessionFactory.getCurrentSession();
+	}
+
+	@Override
+	public Role getRole(int id) {
+		Role role = (Role) openSession().load(Role.class, id);
+		return role;
+	}
+
+	@Override
+	public Role createOrGetRole(String roleName) {
+		try {
+			Query query = openSession().createQuery("from Role r where r.role = :role");
+			query.setParameter("role", roleName);
+			System.out.println("executing role query with parameter " + roleName);
+			Role role = (Role) query.uniqueResult();
+			if (role != null) {
+				return role;
+			}
+			role = new Role();
+			role.setRole(roleName);
+			openSession().save(role);
+			return role;
+		}
+		catch (Exception ex) {
+			System.out.println("BIG FAT ERROR: " + ex);
+			ex.printStackTrace();
+			return null;
+		}
+	}
+
+}

src/main/java/com/skiwi/githubhooksechatservice/dao/UserDAO.java

@@ -0,0 +1,11 @@
+package com.skiwi.githubhooksechatservice.dao;
+
+import com.skiwi.githubhooksechatservice.model.DugaUser;
+
+public interface UserDAO {
+
+	public DugaUser getUser(String login);
+
+	DugaUser createUser(String login, String password);
+
+}

src/main/java/com/skiwi/githubhooksechatservice/dao/UserDAOImpl.java

@@ -0,0 +1,67 @@
+package com.skiwi.githubhooksechatservice.dao;
+
+import org.hibernate.Query;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.crypto.password.PasswordEncoder;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.skiwi.githubhooksechatservice.model.DugaUser;
+
+@Repository
+@Transactional
+public class UserDAOImpl implements UserDAO {
+
+	@Autowired
+	private SessionFactory sessionFactory;
+
+	@Autowired
+	private RoleDAO roleDAO;
+
+	@Autowired
+	private PasswordEncoder passwordEncoder;
+
+	private Session openSession() {
+		return sessionFactory.getCurrentSession();
+	}
+
+	@Override
+	public DugaUser getUser(String login) {
+		try {
+			Query query = openSession().createQuery("from User u where u.login = :login");
+			query.setParameter("login", login);
+			System.out.println("executing query with parameter" + login);
+			return (DugaUser) query.uniqueResult();
+		}
+		catch (Exception ex) {
+			System.out.println("BIG FAT ERROR: " + ex);
+			ex.printStackTrace();
+			return null;
+		}
+	}
+
+	@Override
+	public DugaUser createUser(String login, String password) {
+		DugaUser user = getUser(login);
+		if (user != null) {
+			return null;
+		}
+
+		try {
+			user = new DugaUser();
+			user.setLogin(login);
+			user.setPassword(passwordEncoder.encode(password));
+			user.setRole(roleDAO.createOrGetRole("MODERATOR"));
+			openSession().save(user);
+			return user;
+		}
+		catch (Exception ex) {
+			System.out.println("BIG FAT ERROR: " + ex);
+			ex.printStackTrace();
+			return null;
+		}
+	}
+
+}