/// <summary>
/// Clear the list of pending messages to show to the end user.
/// </summary>
static public void ClearSystemMessages()
{
SystemMessageList theUsersList = null;
// Create a new emply list of mesages
List <SystemMessage> myList = new List <SystemMessage>();
// Set the user's list of messages to the empty list
theUsersList = new SystemMessageList(myList);
// Save the empty list to the user's profile
SaveMessageListForUser(theUsersList);
}
private static SystemMessageList GetMessageListForUser(bool includeAllUsers)
{
SystemMessageList theUsersList = null;
try
{
// Get a list of existing messages...
theUsersList = (SystemMessageList)HttpContext.Current.Profile.GetPropertyValue("SystemMessages");
}
catch (Exception e)
{
string userName = HttpContext.Current.User.Identity.Name;
if (userName == null || string.IsNullOrEmpty(userName))
{
userName = "******";
}
log.Error("Failed to get a list of existing system messages for current user " +
userName, e);
}
if (theUsersList == null)
{
List <SystemMessage> tempList = new List <SystemMessage>();
theUsersList = new SystemMessageList(tempList);
}
// Now grab the messages for all users
if (includeAllUsers)
{
List <SystemMessage> allUsersMessages = new List <SystemMessage>();
if (SystemMessageList.AllUsersMessageList != null)
{
for (int i = 0; i < SystemMessageList.AllUsersMessageList.Length; i++)
{
allUsersMessages.Add(SystemMessageList.AllUsersMessageList[i]);
}
}
if (allUsersMessages.Count > 0)
{
List <SystemMessage> userMessages = theUsersList.GetList();
foreach (SystemMessage msg in allUsersMessages)
{
userMessages.Add(msg);
}
theUsersList = new SystemMessageList(userMessages);
}
}
return(theUsersList);
}
/// <summary>
/// Get a list of pending system messages, presumably to show to the end user.
/// </summary>
/// <returns>A list of messages that should be shown to the user</returns>
public static List <SystemMessage> GetPendingSystemMessages()
{
List <SystemMessage> myList = new List <SystemMessage>();
SystemMessageList theUsersList = GetMessageListForUser(true);
if (theUsersList != null)
{
myList = theUsersList.GetList();
if (myList == null)
{
myList = new List <SystemMessage>();
}
}
return(myList);
}
private static void SaveMessageListForUser(SystemMessageList theList)
{
//TODO: Verificar porque no hay usuario
string userName = HttpContext.Current.User.Identity.Name;
if (userName == null || string.IsNullOrEmpty(userName))
{
return;
}
try
{
HttpContext.Current.Profile.SetPropertyValue("SystemMessages", theList);
}
catch (Exception e)
{
log.Error("Failed to save a list of existing system messages for current user " +
userName, e);
}
}
/// <summary>
/// Add a message to the list of pending messages that should be shown to the end user
/// </summary>
/// <param name="message">The message to add</param>
/// <param name="type">The message type</param>
static private void AddGenericMessageForAll(string message, SystemMessage.SystemMessageType type)
{
try
{
List <SystemMessage> allUsersMessages = new List <SystemMessage>();
if (SystemMessageList.AllUsersMessageList != null)
{
for (int i = 0; i < SystemMessageList.AllUsersMessageList.Length; i++)
{
allUsersMessages.Add(SystemMessageList.AllUsersMessageList[i]);
}
}
// Create a new list with our message at the top
List <SystemMessage> newList = new List <SystemMessage>();
// added to the session for the user control to display the message only once
HttpContext.Current.Session["SHOW_MESSAGE"] = true;
SystemMessage theNewMessageForAllUsers = new SystemMessage(message, type);
theNewMessageForAllUsers.ForAllUsers = true;
newList.Add(theNewMessageForAllUsers);
// Add all the elements from the previous list to the end of the new list
while (allUsersMessages.Count > 0)
{
SystemMessage theElement = allUsersMessages[0];
allUsersMessages.RemoveAt(0);
newList.Add(theElement);
}
// Save the list back to the user's profile
SystemMessageList.AllUsersSetList(newList);
}
catch (Exception q)
{
log.Error("Failed to add message of type " + type.ToString(), q);
}
}
/// <summary>
/// Add a message to the list of pending messages that should be shown to the end user
/// </summary>
/// <param name="message">The message to add</param>
/// <param name="type">The message type</param>
static private void AddGenericMessage(string message, SystemMessage.SystemMessageType type)
{
try
{
// Get a list of existing messages...
SystemMessageList theUsersList = GetMessageListForUser(false);
List <SystemMessage> myList = theUsersList.GetList();
if (myList == null)
{
myList = new List <SystemMessage>();
}
// Create a new list with our message at the top
List <SystemMessage> newList = new List <SystemMessage>();
// added to the session for the user control to display the message only once
HttpContext.Current.Session["SHOW_MESSAGE"] = true;
newList.Add(new SystemMessage(message, type));
// Add all the elements from the previous list to the end of the new list
while (myList.Count > 0)
{
SystemMessage theElement = myList[0];
myList.RemoveAt(0);
newList.Add(theElement);
}
// Save the list back to the user's profile
theUsersList.SetList(newList);
SaveMessageListForUser(theUsersList);
}
catch (Exception q)
{
log.Error("Failed to add message of type " + type.ToString(), q);
}
}
/// <summary>
/// Clear the messages that are older than the number of minutes defined in the
/// system configuration file. Save the rest.
/// </summary>
static public void ExpireOlderSystemMessages()
{
// Get a list of existing messages...
SystemMessageList theUsersList = GetMessageListForUser(false);
List <SystemMessage> myList = theUsersList.GetList();
if (myList == null)
{
myList = new List <SystemMessage>();
}
// Get from the configuration the number of minutes that the messages should be
// kept
int secondsToKeep = App.Configuration.Configuration.GetTimeToExpireSystemMessages();
// Create a list with the new messages that are not too old.
List <SystemMessage> newList = new List <SystemMessage>();
// Copy all the messages that are not too old to the new list
while (myList.Count > 0)
{
SystemMessage theElement = myList[0];
myList.RemoveAt(0);
if (theElement.Time.AddSeconds(secondsToKeep).CompareTo(DateTime.Now) >= 0)
{
// Keep the element. The alloted time has not passed.
newList.Add(theElement);
}
}
// Save the list back to the user's profile
theUsersList.SetList(newList);
SaveMessageListForUser(theUsersList);
// ================ DO THE SAME FOR MESSAGES FOR ALL USERS ==============
List <SystemMessage> allUsersMessages = new List <SystemMessage>();
if (SystemMessageList.AllUsersMessageList != null)
{
for (int i = 0; i < SystemMessageList.AllUsersMessageList.Length; i++)
{
allUsersMessages.Add(SystemMessageList.AllUsersMessageList[i]);
}
}
// Create a list with the new messages that are not too old.
newList = new List <SystemMessage>();
if (allUsersMessages.Count > 0)
{
// Copy all the messages that are not too old to the new list
while (allUsersMessages.Count > 0)
{
SystemMessage theElement = allUsersMessages[0];
allUsersMessages.RemoveAt(0);
if (theElement.Time.AddSeconds(secondsToKeep).CompareTo(DateTime.Now) >= 0)
{
// Keep the element. The alloted time has not passed.
newList.Add(theElement);
}
}
}
// Save the list back to the list for all users
SystemMessageList.AllUsersSetList(newList);
}
