Storing EventUser's QR code in database.

code/moya-beans-client/ejbModule/fi/codecrew/moya/beans/BarcodeBeanLocal.java

@@ -51,8 +51,6 @@ public interface BarcodeBeanLocal {
 
 	public EventUser getUserFromTextCode(String textcode);
 
-	public String getUserLongTextCode(EventUser user);
-
 	public EventUser getUserFromLongTextCode(String textcode);
 
 	public Product getProduct(String barcode);

code/moya-beans-client/ejbModule/fi/codecrew/moya/beans/UserBeanLocal.java

@@ -192,4 +192,11 @@ public interface UserBeanLocal {
 	 * @return List of moya -surperusers
 	 */
 	List<User> findSuperusers();
+
+	/**
+	 * There is a textcode type that looks up the code in EventUser object. Do the lookup.
+	 * @param code
+	 * @return EventUser with the matching code
+	 */
+	EventUser findUserByCodeToken(String code);
 }

code/moya-beans/ejbModule/fi/codecrew/moya/beans/BarcodeBean.java

@@ -26,6 +26,7 @@ import javax.ejb.EJB;
 import javax.ejb.LocalBean;
 import javax.ejb.Stateless;
 
+import fi.codecrew.moya.utilities.PasswordFunctions;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -50,8 +51,12 @@ public class BarcodeBean implements BarcodeBeanLocal {
 	
 	private static final String PRINTED_CARD_TEXTCODEPREFIX = "10"; 
 	private static final String PLACE_TEXTCODEPREFIX = "11";
+
+	// Code from EventUser ID with symmetric an encryption of a fixed key ;)
 	private static final String EVENTUSER_TEXTCODEPREFIX = "12";
 
+	// Code stored in EventUser object in database.
+	private static final String EVENTUSER_TOKEN_TEXTCODEPREFIX = "13";
 
 	// DO NOT ACCIDENTLY ADD '=' -char to this list
 	private static final int  TEXTCODE_ROTATE_COUNT = 500;
@@ -99,20 +104,6 @@ public class BarcodeBean implements BarcodeBeanLocal {
 	}
 
 	@Override
-	public String getUserLongTextCode(EventUser user) {
-
-
-		String textcode = getUserTextCode(user, 38, 16);
-
-		EventUser user2 = getUserFromLongTextCode(textcode);
-
-		if(!user.equals(user2))
-			throw new RuntimeException("Koodigenerointivirhe"); // TODO: use seculogger or something
-
-		return textcode;
-	}
-
-	@Override
 	public EventUser getUserFromLongTextCode(String textcode) {
 
 		// check if it is some url
@@ -120,25 +111,64 @@ public class BarcodeBean implements BarcodeBeanLocal {
 			textcode = textcode.substring(textcode.lastIndexOf("=")+1);
 		}
 
+		if (isEventUserTokenCode(textcode)) {
+			return getEventUserFromTokenCode(textcode);
+		}
+
 		return getUserFromTextCode(textcode, 38, 16);
 	}
 
+	/**
+	 * Return the EventUser's textCode or generate one if EventUser has no code yet.
+	 * @param eventUser
+	 * @return
+	 */
 	@Override
-	public String getUserTextCode(EventUser user) {
-		String textcode = getUserTextCode(user, 12, 5);
-		EventUser user2 = getUserFromTextCode(textcode);
+	public String getUserTextCode(EventUser eventUser) {
+
+		// Loop and generate new code until a free code is found.
+		if (eventUser.getTokenCode() == null) {
+			String newCode = null;
+			do {
+				newCode = PasswordFunctions.generateRandomString(10, BarcodeBeanLocal.TEXTCODE_CHARACTER_MAP);
+			} while (userBean.findUserByCodeToken(newCode) != null);
+			logger.info("Updating EventUser {} with code {}", eventUser.getId(), newCode);
+
+			if (eventUser.getTokenCode() != null) {
+				throw new IllegalStateException("EventUser " + eventUser.getId() + " had a tokencode already and we attempted to set it! Something is fishy!");
+			}
 
+			eventUser.setTokenCode(newCode);
+			eventUser = userBean.mergeChanges(eventUser);
+		}
 
-		if(!user.equals(user2))
-			throw new RuntimeException("Koodigenerointivirhe");
+		return eventUser.getTokenCode();
+	}
 
-		return textcode;
+	/**
+	 * Is this a EventUser token code (stored in database).
+	 * @param code
+	 * @return
+	 */
+	private boolean isEventUserTokenCode(String code) {
+		if (code != null && code.startsWith(EVENTUSER_TOKEN_TEXTCODEPREFIX)) {
+			return true;
+		} else {
+			return false;
+		}
 	}
 
+	private EventUser getEventUserFromTokenCode(String code) {
+		return userBean.findUserByCodeToken(code);
+	}
 
 	@Override
 	public EventUser getUserFromTextCode(String textcode) {
 
+		if (isEventUserTokenCode(textcode)) {
+			return getEventUserFromTokenCode(textcode);
+		}
+
 		return getUserFromTextCode(textcode,12,5);
 	}
 

code/moya-beans/ejbModule/fi/codecrew/moya/beans/BootstrapBean.java

@@ -334,6 +334,10 @@ public class BootstrapBean implements BootstrapBeanLocal {
 				"CREATE INDEX idx_place_slots_products ON place_slots (product_id, place_id)",
 		});
 
+		dbUpdates.add(new String[] {
+			"ALTER TABLE event_users ADD tokencode text"
+		});
+
 
 	}
 

code/moya-beans/ejbModule/fi/codecrew/moya/beans/TicketBean.java

@@ -119,16 +119,11 @@ public class TicketBean implements TicketBeanLocal {
 	}
 
 
-
-
-
-
 	@Override
-	public void sendTicketEmail(EventUser user , String url) {
-
-
+	public void sendTicketEmail(EventUser user, String url) {
 
-		String token = barcodeBean.getUserLongTextCode(user);
+		//String token = barcodeBean.getUserLongTextCode(user);
+		String token = barcodeBean.getUserTextCode(user);
 
 		MailMessage msg = new MailMessage();
 		msg.setSubject(eventbean.getPropertyString(LanEventPropertyKey.ETICKETMAIL_SUBJECT));

code/moya-beans/ejbModule/fi/codecrew/moya/beans/UserBean.java

@@ -1138,6 +1138,11 @@ public class UserBean implements UserBeanLocal {
 		return userFacade.findSuperusers();
 	}
 
+	@Override
+	public EventUser findUserByCodeToken(String code) {
+		return eventUserFacade.findByTokenCode(code);
+	}
+
 	@PermitAll
 	public EventUser findEventuserByLoginUnsecure(String username) {
 		return eventUserFacade.findByLogin(username);

code/moya-beans/ejbModule/fi/codecrew/moya/facade/EventUserFacade.java

@@ -199,6 +199,14 @@ public class EventUserFacade extends IntegerPkGenericFacade<EventUser> {
 
 	}
 
+	public EventUser findByTokenCode(String code) {
+		CriteriaBuilder cb = getEm().getCriteriaBuilder();
+		CriteriaQuery<EventUser> cq = cb.createQuery(EventUser.class);
+		Root<EventUser> root = cq.from(EventUser.class);
+		cq.where(cb.equal(root.get(EventUser_.tokenCode), code));
+		return getSingleNullableResult(getEm().createQuery(cq));
+	}
+
 	// private Predicate addAcPredicate(CriteriaBuilder cb, UserSearchQuery
 	// query, Root<AccountEvent> root) {
 	// Expression<BigDecimal> sum =

code/moya-database/src/main/java/fi/codecrew/moya/model/EventUser.java

@@ -30,19 +30,7 @@ import java.util.Calendar;
 import java.util.Date;
 import java.util.List;
 
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.JoinColumn;
-import javax.persistence.ManyToMany;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-import javax.persistence.OrderBy;
-import javax.persistence.Table;
-import javax.persistence.Temporal;
-import javax.persistence.TemporalType;
-import javax.persistence.UniqueConstraint;
+import javax.persistence.*;
 
 import fi.codecrew.moya.enums.Gender;
 
@@ -121,11 +109,13 @@ public class EventUser extends GenericEntity {
 
 	@OneToMany(mappedBy = "eventUser")
 	private List<GameID> gameIDs;
-	
-	
+
 	@ManyToMany(mappedBy = "participants")
 	private List<Lecture> lectures = new ArrayList<Lecture>();
 
+	@Column(name = "tokencode")
+	private String tokenCode;
+
 	public List<GameID> getGameIDs() {
 		return gameIDs;
 	}
@@ -531,4 +521,12 @@ public class EventUser extends GenericEntity {
 	public void setLectures(List<Lecture> lectures) {
 		this.lectures = lectures;
 	}
+
+	public String getTokenCode() {
+		return tokenCode;
+	}
+
+	public void setTokenCode(String tokenCode) {
+		this.tokenCode = tokenCode;
+	}
 }