Index: lams_build/lib/lams/lams.jar
===================================================================
diff -u -raa9051146a2c7e16c12ccb68a00595bc79fb2e78 -r664113e5a7f816094b983d8c601e0de4a4b2d19d
Binary files differ
Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml
===================================================================
diff -u -r463716d6023591c9c35eeb5057a16c903289029e -r664113e5a7f816094b983d8c601e0de4a4b2d19d
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	(.../Activity.hbm.xml)	(revision 463716d6023591c9c35eeb5057a16c903289029e)
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	(.../Activity.hbm.xml)	(revision 664113e5a7f816094b983d8c601e0de4a4b2d19d)
@@ -224,6 +224,8 @@
    			
 			<property name="gateActivityLevelId" type="java.lang.Integer" column="gate_activity_level_id" length="11" />
 			<property name="gateOpen" type="java.lang.Boolean" column="gate_open_flag" length="4" />
+			<property name="gateOpenTime" type="java.util.Date" column="gate_open_time" />
+			<many-to-one name="gateOpenUser" class="org.lamsfoundation.lams.usermanagement.User" column="gate_open_user" />
 			
 			<subclass name="org.lamsfoundation.lams.learningdesign.ScheduleGateActivity" discriminator-value="4">
 				<meta attribute="class-description" inherit="false">@hibernate.class </meta>					
Index: lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch20180329.sql
===================================================================
diff -u
--- lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch20180329.sql	(revision 0)
+++ lams_common/src/java/org/lamsfoundation/lams/dbupdates/patch20180329.sql	(revision 664113e5a7f816094b983d8c601e0de4a4b2d19d)
@@ -0,0 +1,13 @@
+SET AUTOCOMMIT = 0;
+set FOREIGN_KEY_CHECKS = 0;
+ 
+-- LDEV-4538 Add columns to gate activity to track user and time of opening
+
+ALTER TABLE lams_learning_activity ADD COLUMN gate_open_user BIGINT(20) AFTER gate_open_flag,
+								   ADD COLUMN gate_open_time DATETIME AFTER gate_open_user,
+								   ADD CONSTRAINT FK_lams_learning_activity_17 FOREIGN KEY (gate_open_user)
+								       REFERENCES lams_user (user_id) ON DELETE SET NULL ON UPDATE CASCADE;
+
+COMMIT;
+SET AUTOCOMMIT = 1;
+set FOREIGN_KEY_CHECKS = 1;
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/GateActivity.java
===================================================================
diff -u -r51fb2a37254f24bb2a805d4ffd54482c779f43fa -r664113e5a7f816094b983d8c601e0de4a4b2d19d
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/GateActivity.java	(.../GateActivity.java)	(revision 51fb2a37254f24bb2a805d4ffd54482c779f43fa)
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/GateActivity.java	(.../GateActivity.java)	(revision 664113e5a7f816094b983d8c601e0de4a4b2d19d)
@@ -24,6 +24,7 @@
 package org.lamsfoundation.lams.learningdesign;
 
 import java.io.Serializable;
+import java.util.Date;
 import java.util.Set;
 
 import org.apache.commons.lang.builder.ToStringBuilder;
@@ -35,7 +36,6 @@
  *
  */
 public abstract class GateActivity extends SimpleActivity implements Serializable, ISystemToolActivity {
-
     public static final int LEARNER_GATE_LEVEL = 1;
 
     public static final int GROUP_GATE_LEVEL = 2;
@@ -51,6 +51,10 @@
     /** persistent field */
     private Boolean gateOpen;
 
+    private User gateOpenUser;
+
+    private Date gateOpenTime;
+
     /**
      * The learners who passed the gate.
      */
@@ -107,6 +111,21 @@
 	this.gateOpen = gateOpen;
     }
 
+    public User getGateOpenUser() {
+	return gateOpenUser;
+    }
+
+    public void setGateOpenUser(User gateOpenUser) {
+	this.gateOpenUser = gateOpenUser;
+    }
+
+    public Date getGateOpenTime() {
+	return gateOpenTime;
+    }
+
+    public void setGateOpenTime(Date gateOpenTime) {
+	this.gateOpenTime = gateOpenTime;
+    }
     // ---------------------------------------------------------------------
     // Domain service methods
     // ---------------------------------------------------------------------