GUAC-997 Added active user count to REST API and UI.

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/rest/connection/APIConnection.java

@@ -22,10 +22,12 @@
 
 package org.glyptodon.guacamole.net.basic.rest.connection;
 
+import java.util.List;
 import java.util.Map;
 import org.codehaus.jackson.annotate.JsonIgnoreProperties;
 import org.glyptodon.guacamole.GuacamoleException;
 import org.glyptodon.guacamole.net.auth.Connection;
+import org.glyptodon.guacamole.net.auth.ConnectionRecord;
 import org.glyptodon.guacamole.net.basic.rest.connectiongroup.APIConnectionGroup;
 import org.glyptodon.guacamole.protocol.GuacamoleConfiguration;
 
@@ -62,6 +64,11 @@ public class APIConnection {
      */
     private Map<String, String> parameters;
     
+    /**
+     * The count of currently active users for this connection.
+     */
+    private int activeUsers;
+    
     /**
      * Create an empty APIConnection.
      */
@@ -86,6 +93,14 @@ public class APIConnection {
         this.parentIdentifier = connection.getParentIdentifier();
         if (this.parentIdentifier == null)
             this.parentIdentifier = APIConnectionGroup.ROOT_IDENTIFIER;
+        
+        // Set the number of currently active users
+        this.activeUsers = 0;
+        
+        for (ConnectionRecord history : connection.getHistory()) {
+            if (history.isActive())
+                this.activeUsers++;
+        }
 
         // Set protocol from configuration
         GuacamoleConfiguration configuration = connection.getConfiguration();
@@ -173,5 +188,21 @@ public class APIConnection {
     public void setProtocol(String protocol) {
         this.protocol = protocol;
     }
+
+    /**
+     * Returns the number of currently active users for this connection.
+     * @return The number of currently active users for this connection.
+     */
+    public int getActiveUsers() {
+        return activeUsers;
+    }
+
+    /**
+     * Set the number of currently active users for this connection.
+     * @param activeUsers The number of currently active users for this connection.
+     */
+    public void setActiveUsers(int activeUsers) {
+        this.activeUsers = activeUsers;
+    }
     
 }

guacamole/src/main/webapp/app/groupList/types/GroupListItem.js

@@ -100,6 +100,14 @@ angular.module('groupList').factory('GroupListItem', ['ConnectionGroup', functio
          * @type Boolean
          */
         this.isExpanded = template.isExpanded;
+        
+        /**
+         * The number of currently active users for this connection. This field
+         * has no meaning for a connection group, and may be null or undefined.
+         * 
+         * @type Number
+         */
+        this.activeUsers = template.activeUsers;
 
         /**
          * The connection or connection group whose data is exposed within
@@ -134,6 +142,9 @@ angular.module('groupList').factory('GroupListItem', ['ConnectionGroup', functio
             // Type information
             isConnection      : true,
             isConnectionGroup : false,
+            
+            // Count of currently active users
+            activeUsers : connection.activeUsers,
 
             // Wrapped item
             wrappedItem : connection

guacamole/src/main/webapp/app/home/templates/connection.html

@@ -21,7 +21,7 @@
        THE SOFTWARE.
     -->
 
-    <div class="caption">
+    <div class="caption" ng-class="{active: item.activeUsers}">
 
         <!-- Connection icon -->
         <div class="protocol">
@@ -30,6 +30,11 @@
 
         <!-- Connection name -->
         <span class="name">{{item.name}}</span>
+        
+        <!-- Active user count -->
+        <span class="activeUserCount" ng-show="item.activeUsers">
+            {{'HOME.INFO_ACTIVE_USER_COUNT' | translate:'{USERS: item.activeUsers}'}}
+        </span>
 
     </div>
 </a>

guacamole/src/main/webapp/app/index/styles/font-carlito.css

@@ -41,3 +41,10 @@
     font-style: normal;
     src: url('fonts/carlito/Carlito-Bold.woff') format('woff');
 }
+
+@font-face {
+    font-family: 'Carlito';
+    font-weight: normal;
+    font-style: italic;
+    src: url('fonts/carlito/Carlito-Italic.woff') format('woff');
+}

guacamole/src/main/webapp/app/index/styles/ui.css

@@ -140,6 +140,16 @@ div.section {
     background: #DEB;
 }
 
+.caption.active * {
+    opacity: 0.5;
+}
+
+.caption .activeUserCount {
+    font-style: italic;
+    position: absolute;
+    right: 1em;
+}
+
 .list-item:not(.selected) .caption:hover {
     background: #CDA;
 }

guacamole/src/main/webapp/app/manage/templates/connection.html

@@ -21,7 +21,7 @@
        THE SOFTWARE.
     -->
 
-    <div class="caption">
+    <div class="caption" ng-class="{active: item.activeUsers}">
 
         <!-- Connection icon -->
         <div class="protocol">
@@ -31,5 +31,10 @@
         <!-- Connection name -->
         <span class="name">{{item.name}}</span>
 
+        <!-- Active user count -->
+        <span class="activeUserCount" ng-show="item.activeUsers">
+            {{'MANAGE.INFO_ACTIVE_USER_COUNT' | translate:'{USERS: item.activeUsers}'}}
+        </span>
+        
     </div>
 </a>

guacamole/src/main/webapp/app/rest/types/Connection.js

@@ -79,6 +79,15 @@ angular.module('rest').factory('Connection', [function defineConnection() {
          * @type Object.<String, String>
          */
         this.parameters = template.parameters;
+        
+        /**
+         * The count of currently active users for this connection. This field
+         * will be returned from the REST API during a get operation, 
+         * but may not be set when doing an update or create operation.
+         * 
+         * @type Number
+         */
+        this.activeUsers = template.activeUsers;
 
     };
 

guacamole/src/main/webapp/translations/en_US.json

@@ -11,6 +11,8 @@
         "ACTION_NAVIGATE_BACK" : "Back",
         "ACTION_NAVIGATE_HOME" : "Home",
         "ACTION_SAVE"          : "Save",
+        
+        "INFO_ACTIVE_USER_COUNT" : "Currently in use by {USERS} {USERS, plural, one{user} other{users}}.",
 
         "NAME" : "Guacamole ${project.version}"
 
@@ -105,6 +107,8 @@
 
         "ACTION_LOGOUT" : "@:APP.ACTION_LOGOUT",
         "ACTION_MANAGE" : "@:APP.ACTION_MANAGE",
+        
+        "INFO_ACTIVE_USER_COUNT" : "@:APP.INFO_ACTIVE_USER_COUNT",
 
         "INFO_NO_RECENT_CONNECTIONS" : "No recent connections.",
 
@@ -139,6 +143,8 @@
         "HELP_SHOW_PASSWORD" : "Click to show password",
         "HELP_HIDE_PASSWORD" : "Click to hide password",
         "HELP_USERS"         : "Click or tap on a user below to manage that user. Depending on your access level, users can be added and deleted, and their passwords can be changed.",
+        
+        "INFO_ACTIVE_USER_COUNT" : "@:APP.INFO_ACTIVE_USER_COUNT",
 
         "SECTION_HEADER_ADMINISTRATION" : "Administration",
         "SECTION_HEADER_CONNECTIONS"    : "Connections",