Index: lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch02040040.sql
===================================================================
diff -u
--- lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch02040040.sql	(revision 0)
+++ lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch02040040.sql	(revision 350e490840216cd99021791b2c6de5be0f2a13a3)
@@ -0,0 +1,12 @@
+-- Turn off autocommit, so nothing is committed if there is an error
+
+SET AUTOCOMMIT = 0;
+SET FOREIGN_KEY_CHECKS=0;
+
+-- 	LDEV-3420 Add date column to Gradebook marks
+ALTER TABLE lams_gradebook_user_activity ADD COLUMN update_date DATETIME DEFAULT NULL;
+
+-- If there were no errors, commit and restore autocommit to on
+SET FOREIGN_KEY_CHECKS=0;
+COMMIT;
+SET AUTOCOMMIT = 1;
Index: lams_common/src/java/org/lamsfoundation/lams/gradebook/GradebookUserActivity.java
===================================================================
diff -u -rdaf00a52f630e4b979227c958b7d1e70e0a9b466 -r350e490840216cd99021791b2c6de5be0f2a13a3
--- lams_common/src/java/org/lamsfoundation/lams/gradebook/GradebookUserActivity.java	(.../GradebookUserActivity.java)	(revision daf00a52f630e4b979227c958b7d1e70e0a9b466)
+++ lams_common/src/java/org/lamsfoundation/lams/gradebook/GradebookUserActivity.java	(.../GradebookUserActivity.java)	(revision 350e490840216cd99021791b2c6de5be0f2a13a3)
@@ -23,6 +23,8 @@
 /* $Id$ */
 package org.lamsfoundation.lams.gradebook;
 
+import java.util.Date;
+
 import org.lamsfoundation.lams.learningdesign.ToolActivity;
 import org.lamsfoundation.lams.usermanagement.User;
 
@@ -41,15 +43,18 @@
     private Double mark;
     private String feedback;
     private Boolean markedInGradebook;
+    private Date updateDate;
 
     public GradebookUserActivity() {
 	markedInGradebook = false;
+	updateDate = new Date();
     }
     
     public GradebookUserActivity(ToolActivity activity, User learner){
 	this.activity = activity;
 	this.learner = learner;
 	markedInGradebook = false;
+	updateDate = new Date();
     }
 
     /**
@@ -120,5 +125,15 @@
         this.markedInGradebook = markedInGradebook;
     }
     
-    
+    /**
+     * @hibernate.property column="update_date"
+     * @return
+     */
+    public Date getUpdateDate() {
+	return updateDate;
+    }
+
+    public void setUpdateDate(Date updateDate) {
+	this.updateDate = updateDate;
+    }
 }
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/ToolActivity.java
===================================================================
diff -u -rda9d623352f3964daa5fe12f81a683b9377d286a -r350e490840216cd99021791b2c6de5be0f2a13a3
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/ToolActivity.java	(.../ToolActivity.java)	(revision da9d623352f3964daa5fe12f81a683b9377d286a)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/ToolActivity.java	(.../ToolActivity.java)	(revision 350e490840216cd99021791b2c6de5be0f2a13a3)
@@ -152,6 +152,7 @@
 		newGradebookAct.setActivity(newToolActivity);
 		newGradebookAct.setLearner(gradebookAct.getLearner());
 		newGradebookAct.setMark(gradebookAct.getMark());
+		newGradebookAct.setUpdateDate(gradebookAct.getUpdateDate());
 	    }
 	}
 	newToolActivity.setGradebookUserActivities(newGradebookUserActivities);
Index: lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java
===================================================================
diff -u -r39f26ae59d9865f852b62d5f1759b4c9fe6efb24 -r350e490840216cd99021791b2c6de5be0f2a13a3
--- lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java	(.../GradebookService.java)	(revision 39f26ae59d9865f852b62d5f1759b4c9fe6efb24)
+++ lams_gradebook/src/java/org/lamsfoundation/lams/gradebook/service/GradebookService.java	(.../GradebookService.java)	(revision 350e490840216cd99021791b2c6de5be0f2a13a3)
@@ -401,6 +401,7 @@
 		    .toString();
 
 	    gradebookUserActivity.setMark(mark);
+	    gradebookUserActivity.setUpdateDate(new Date());
 	    gradebookUserActivity.setMarkedInGradebook(markedInGradebook);
 	    gradebookDAO.insertOrUpdate(gradebookUserActivity);
 
@@ -451,6 +452,7 @@
 	}
 
 	gradebookUserActivity.setFeedback(feedback);
+	gradebookUserActivity.setUpdateDate(new Date());
 	gradebookDAO.insertOrUpdate(gradebookUserActivity);
     }