working on confirmed subscription

src/main/java/de/srsoftware/widerhall/data/ListMember.java

@@ -1,5 +1,6 @@
 package de.srsoftware.widerhall.data;
 
+import de.srsoftware.widerhall.Util;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -19,23 +20,27 @@ public class ListMember {
     public static final String TABLE_NAME = "ListMembers";
     public static final int STATE_OWNER = 1;
     public static final int STATE_SUBSCRIBER = 2;
-    public static final int STATE_UNCONFIRMED = 4;
+    public static final int STATE_AWAITING_CONFIRMATION = 4;
     private static final String LIST_EMAIL = "list_email";
     private static final String USER_EMAIL = "user_email";
     private static final String STATE = "state";
     private static final String TOKEN = "token";
-    private final String listEmail;
-    private final String userEmail;
+    private final String listEmail,token,userEmail;
     private final int state;
 
-    public ListMember(String listEmail, String userEmail, int state){
+    public ListMember(String listEmail, String userEmail, int state, String token){
         this.listEmail = listEmail;
         this.userEmail = userEmail;
         this.state = state;
+        this.token = token;
     }
 
     public static ListMember create(MailingList list, User user, int state) throws SQLException {
-        return new ListMember(list.email(),user.email(),state).save();
+        String token = null;
+        if ((state & STATE_AWAITING_CONFIRMATION) > 0){
+            token = Util.sha256(String.join("/",list.email(),user.email(),user.salt()));
+        }
+        return new ListMember(list.email(),user.email(),state,token).save();
     }
 
     public static void createTable() throws SQLException {
@@ -94,6 +99,10 @@ public class ListMember {
         return this;
     }
 
+    public String token() {
+        return token;
+    }
+
     public static void unsubscribe(MailingList list, User user) throws SQLException {
         var db = Database.open();
         var rs = db.select(TABLE_NAME)
@@ -116,4 +125,5 @@ public class ListMember {
             }
         }
     }
+
 }