GUACAMOLE-394: Determine last active date for users based on history table.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/ModeledUser.java

@@ -796,7 +796,7 @@ public class ModeledUser extends ModeledDirectoryObject<UserModel> implements Us
 
     @Override
     public Date getLastActive() {
-        return null;
+        return getModel().getLastActive();
     }
 
     @Override

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/UserModel.java

@@ -114,6 +114,12 @@ public class UserModel extends ObjectModel {
      */
     private String organizationalRole;
 
+    /**
+     * The date and time that this user was last active, or null if this user
+     * has never logged in.
+     */
+    private Date lastActive;
+
     /**
      * Creates a new, empty user.
      */
@@ -465,4 +471,30 @@ public class UserModel extends ObjectModel {
         this.organizationalRole = organizationalRole;
     }
 
+    /**
+     * Returns the date and time that this user was last active, or null if
+     * this user has never logged in.
+     *
+     * @return
+     *     The date and time that this user was last active, or null if this
+     *     user has never logged in.
+     */
+    public Date getLastActive() {
+        return lastActive;
+    }
+
+    /**
+     * Sets the date and time that this user was last active. This value is
+     * expected to be set automatically via queries, derived from user history
+     * records. It does NOT correspond to an actual column, and values set
+     * manually through invoking this function will not persist.
+     *
+     * @param lastActive
+     *     The date and time that this user was last active, or null if this
+     *     user has never logged in.
+     */
+    public void setLastActive(Date lastActive) {
+        this.lastActive = lastActive;
+    }
+
 }