static void TestUpdateCatalogItem()
{
PrintTitle("Testing UpdateCatalogItem()");
Console.WriteLine("Change RFA's Location to http://www.rfa.com/mandarin/rss");
CatalogItem item = FoeServerCatalog.GetCatalogItem("RFACHINESE");
item.Location = "http://www.rfa.com/mandarin/rss";
FoeServerCatalog.UpdateCatalogItem(item);
Console.WriteLine("Update completed.");
}
static void TestDeleteCatalogItem()
{
PrintTitle("Testing DeleteCatalogItem()");
Console.WriteLine("Deleting all items in catalog...");
List <CatalogItem> items = FoeServerCatalog.GetCatalog();
foreach (CatalogItem item in items)
{
FoeServerCatalog.DeleteCatalogItem(item.Code);
}
Console.WriteLine("Deletion completed.");
}
private void DoAutoSubscription()
{
// Connect to DB and prepare command
SqlConnection conn = FoeServerDb.OpenDb();
SqlCommand cmd = conn.CreateCommand();
cmd.CommandText = "select * from AutoSubscriptions where DtSubscribed>=@oldestTime";
cmd.Parameters.Add("@oldestTime", System.Data.SqlDbType.DateTime);
cmd.Prepare();
// Calculate the oldest time that we will support
DateTime oldest = DateTime.Now.Subtract(new TimeSpan(2, 0, 0));
// Run query
cmd.Parameters["@oldestTime"].Value = oldest;
SqlDataReader reader = cmd.ExecuteReader();
// Get subscribers
FoeServerAutoSubscriber sub = null;
while ((sub = FoeServerAutoSubscribe.GetNextAutoSubscriberFromSqlReader(reader)) != null)
{
// Compare the dates to see if last updated is newer than the RSS cache
FoeServerRssFeed feed = FoeServerCatalog.GetRssFeedCache(sub.CatalogCode);
if ((feed != null) && (feed.DtLastUpdated > sub.DtLastUpdated))
{
try
{
// we need to send the latest news to user
FoeServerCatalog.SendRssCache(sub.CatalogCode, sub.UserEmail, sub.RequestId, true);
FoeServerLog.Add(_processName, FoeServerLog.LogType.Message,
"Sent updated RSS feed to " + sub.UserEmail);
}
catch (Exception except)
{
FoeServerLog.Add(_processName, FoeServerLog.LogType.Error,
"Error sending updated RSS feed to " + sub.UserEmail + ":\r\n" + except.ToString());
}
}
else
{
// User already has the latest feed.
}
}
reader.Close();
conn.Close();
}
private void DoRssUpdate()
{
// Get all RSS items
List <CatalogItem> items = FoeServerCatalog.GetCatalog();
foreach (CatalogItem item in items)
{
// check if it's RSS content type
if (item.ContentType.ToUpper() != "RSS")
{
// not RSS, skip it
continue;
}
// fetch the RSS feed from remote RSS server
WebClient client = new WebClient();
byte[] rssBytes = client.DownloadData(item.Location);
//change rss's encoding to utf8
string rss = Encoding.UTF8.GetString(rssBytes).TrimStart();
//string feed = Encoding.UTF8.GetString(feedBytes);
// Compare md5 value to see if RSS needs to be updated
//if (CheckIfNewer(item.Code, feed))
//0 old, 1 new, 2 newer
int result = CheckIfNewer(item.Code, rss);
if (result == 1)
{
FoeServerCatalog.AddRssCache(item.Code, rss);
FoeServerLog.Add(_processName, FoeServerLog.LogType.Message, "Add RSS feed " + item.Code);
}
else if (result == 2)
{
// MD5 sums are different, we need to update our RSS cache
// FoeServerCatalog.UpdateRssCache(item.Code, feed64);
FoeServerCatalog.UpdateRssCache(item.Code, rss);
//FoeDebug.Print(item.Code + " updated.");
FoeServerLog.Add(_processName, FoeServerLog.LogType.Message, "Updated RSS feed " + item.Code);
}
else
{
// no update
//FoeDebug.Print("No update found for " + item.Code + ".");
}
}
}
static void TestGetCatalog()
{
PrintTitle("Testing GetCatalog()");
List <CatalogItem> items = FoeServerCatalog.GetCatalog();
if (items.Count == 0)
{
Console.WriteLine("No item found in catalog.");
}
else
{
foreach (CatalogItem item in items)
{
Console.WriteLine();
Console.WriteLine("Code: " + item.Code);
Console.WriteLine("ContentType: " + item.ContentType);
Console.WriteLine("Description: " + item.Description);
Console.WriteLine("Location: " + item.Location);
}
}
}
static void TestAddCatalogItem()
{
PrintTitle("Testing AddCatalogItem");
string[,] data = new string[3, 4]
{
{ "VOACHINESE", "RSS", "News feed from VOA Chinese", "http://www.voanews.com/chinese/rss" },
{ "RFACHINESE", "RSS", "News feed from RFA Chinese", "http://www.rfa.com/chinese/rss" },
{ "VOAENGLISH", "RSS", "News feed from VOA English", "http://www.voanews.com/rss" }
};
Console.WriteLine("Adding 3 catalog items...");
for (int i = 0; i < 3; i++)
{
CatalogItem item = new CatalogItem();
item.Code = data[i, 0];
item.ContentType = data[i, 1];
item.Description = data[i, 2];
item.Location = data[i, 3];
FoeServerCatalog.AddCatalogItem(item);
}
}
static void TestGetCatalogItem()
{
PrintTitle("Testing GetCatalogItem()");
// get RFACHINESE
Console.WriteLine("Getting RFACHINESE...");
CatalogItem item = FoeServerCatalog.GetCatalogItem("RFACHINESE");
if (item == null)
{
Console.WriteLine("Catalog item not found.");
}
else
{
Console.WriteLine();
Console.WriteLine("Code: " + item.Code);
Console.WriteLine("ContentType: " + item.ContentType);
Console.WriteLine("Description: " + item.Description);
Console.WriteLine("Location: " + item.Location);
}
// get a non-existent item
Console.WriteLine("Getting a non-existing item 'SOMETHING'...");
item = FoeServerCatalog.GetCatalogItem("SOMETHING");
if (item == null)
{
Console.WriteLine("Catalog item not found.");
}
else
{
Console.WriteLine();
Console.WriteLine("Code: " + item.Code);
Console.WriteLine("ContentType: " + item.ContentType);
Console.WriteLine("Description: " + item.Description);
Console.WriteLine("Location: " + item.Location);
}
}
static void Main(string[] args)
{
//string msg = "This is a sentence to be compressed, converted to Base64 encoding,\r\nthen converted back to compressed form, then decompressed.";
string msg = FoeServerCatalog.GetRssCache("CKXX");
//PrintTitle("Testing CompressionManager");
// Show original message
//Console.WriteLine("Original message:");
//Console.WriteLine(msg);
//Console.WriteLine();
// Show Base64 without compression
string base64 = Convert.ToBase64String(Encoding.UTF8.GetBytes(msg));
//Console.WriteLine("Base64 without compression:");
//Console.WriteLine(base64);
//Console.WriteLine();
// Show compressed base64
byte[] compressed = CompressionManager.Compress(Encoding.UTF8.GetBytes(msg));
base64 = Convert.ToBase64String(compressed);
//Console.WriteLine("Compressed + Base64:");
//Console.WriteLine(base64);
//Console.WriteLine();
// Show decompressed
//compressed = Convert.FromBase64String(base64);
compressed = Convert.FromBase64String("XQAAgAAQAAAAAAAAAAArlMVWcCtFDcKRGJnu/tFfaO6aVg==");
//compressed = Convert.FromBase64String(base64);
byte[] decompressed = CompressionManager.Decompress(compressed);
string originalMsg = Encoding.UTF8.GetString(decompressed);
//Console.WriteLine("Decompressed:");
//Console.WriteLine(originalMsg);
//Console.WriteLine();
//PrintFooter();
}
private void DoFeedAdd()
{
//FoeDebug.Print("Loading requests...");
bool hasError = false;
string message = "";
// Load content requests
FoeRequester req = null;
FoeServerRequest requestManager = new FoeServerRequest(RequestType.Feed, FoeServerRegistry.Get("ProcessorEmail"));
while ((req = requestManager.GetNextRequest()) != null)
{
//FoeDebug.Print("Processing request from " + req.UserEmail + " with request ID " + req.RequestId);
// Check what contents are requested
// Get user info
FoeUser user = FoeServerUser.GetUser(req.UserEmail);
if (user == null)
{
//FoeDebug.Print("User not registered. Skip this request.");
//FoeDebug.Print("---------------------------------------");
// User is not registered, mark this request as "E" (Error) and skip to the next one
requestManager.UpdateRequestStatus(req, "E");
FoeServerLog.Add(_processName, FoeServerLog.LogType.Warning, "User " + user.Email + " not registered. Discard content request.");
continue;
}
//FoeDebug.Print("User verified.");
// Process request
List <CatalogItem> catalogs = FoeServerCatalog.GetCatalog(); // get all the catalogs on server
if (catalogs != null)
{
//FoeDebug.Print("Generated Foe Message.");
foreach (CatalogItem catalog in catalogs)
{
message += catalog.Code + ",";
}
// Send reply to user
try
{
FoeServerMessage.SendMessage(
FoeServerMessage.GetDefaultSmtpServer(),
FoeServerRegistry.Get("ProcessorEmail"),
req.UserEmail,
SubjectGenerator.ReplySubject(RequestType.Catalog, req.RequestId, FoeServerUser.GetUser(req.UserEmail).UserId),
message);
//FoeDebug.Print("Sent reply to user.");
}
catch (Exception except)
{
//FoeDebug.Print("Error sending email.");
//FoeDebug.Print(except.ToString());
hasError = true;
FoeServerLog.Add(_processName, FoeServerLog.LogType.Error, "Error delivering content to " + user.Email + "\r\n" + except.ToString());
}
}
// If there is no error, then we'll mark the request as 'C' (Completed).
// Otherwise, we'll leave it as 'P' (Pending).
if (!hasError)
{
// mark request as "C" (Completed)
requestManager.UpdateRequestStatus(req, "C");
FoeServerLog.Add(_processName, FoeServerLog.LogType.Message, "Sent " + message + "to " + user.Email + " and added user to AutoSubscription.");
//FoeDebug.Print("Marked request as 'C' (Completed).");
//FoeDebug.Print("----------------------------------");
}
else
{
//FoeDebug.Print("Leave request as 'P' (Pending).");
//FoeDebug.Print("-------------------------------");
FoeServerLog.Add(_processName, FoeServerLog.LogType.Error,
"Error delivering content but error is likely caused by temporary email downtime. " +
"Leave status as 'P' (Pending) so process can try again later.");
}
}
// Close all requestManager connections
requestManager.Close();
}
