working on permissions

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

@@ -71,11 +71,16 @@ public class ListMember {
         Database.open().query(sql).run();
     }
 
+    public boolean hasState(int testState) {
+        return (state & testState) > 0;
+    }
+
+
     public static Set<String> listsOwnedBy(User user) {
         var list = new HashSet<String>();
         try {
             var request = Database.open().select(TABLE_NAME, LIST_EMAIL, STATE+" & "+STATE_OWNER+" as "+STATE);
-            if (!user.is(ADMIN)) request = request.where(USER_EMAIL, user.email()).where(STATE, STATE_OWNER);
+            if (!user.hashPermission(User.PERMISSION_ADMIN)) request = request.where(USER_EMAIL, user.email()).where(STATE, STATE_OWNER);
             var rs = request.exec();
             while (rs.next()) list.add(rs.getString(LIST_EMAIL));
         } catch (SQLException e) {
@@ -84,6 +89,26 @@ public class ListMember {
         return list;
     }
 
+    public static ListMember load(MailingList list,User user) throws SQLException {
+        var rs = Database
+                .open()
+                .select(TABLE_NAME)
+                .where(LIST_EMAIL,list.email())
+                .where(USER_EMAIL,user.email())
+                .exec();
+        try {
+            if (rs.next()) {
+                return new ListMember(rs.getString(LIST_EMAIL),
+                        rs.getString(USER_EMAIL),
+                        rs.getInt(STATE),
+                        rs.getString(TOKEN));
+            }
+        } finally {
+            rs.close();
+        }
+        return null;
+    }
+
     public static Map<User,Integer> of(String listEmail) throws SQLException {
         var rs = Database.open()
                 .select(TABLE_NAME)
@@ -142,5 +167,4 @@ public class ListMember {
             }
         }
     }
-
 }