/// <summary>
/// Posts a new message to the database
/// </summary>
/// <param name="sessionID">The user's current session ID</param>
/// <param name="title">The title of the message</param>
/// <param name="message">The message text</param>
/// <returns>The message ID for the new message</returns>
private int PostNewMessage(long sessionID, String title, String message)
{
int messageID;
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Post new message
messageID = sp.PostNewMessage(sessionID, title, message);
sp.SQLDisconnect(); // disconnect from the database
return messageID;
}
/// <summary>
/// Posts a new message to the database
/// </summary>
/// <param name="sessionID">The user's current session ID</param>
/// <param name="title">The title of the message</param>
/// <param name="message">The message text</param>
/// <returns>The message ID for the new message</returns>
private int PostNewMessage(long sessionID, String title, String message)
{
int messageID;
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Post new message
messageID = sp.PostNewMessage(sessionID, title, message);
sp.SQLDisconnect(); // disconnect from the database
return(messageID);
}
/// <summary>
/// Returns a new session ID for the user
/// </summary>
/// <param name="userName">The user loggin in</param>
/// <returns>The user's new session ID</returns>
private long NewSessionID(String userName)
{
long sessionID;
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Create new session ID
sessionID = sp.NewSessionID(userName);
sp.SQLDisconnect(); // Disconnect from SQL
return(sessionID);
}
/// <summary>
/// Validates a current session ID
/// </summary>
/// <param name="sessionID">The user's session ID</param>
/// <returns>TRUE if valid, FALSE if not</returns>
private bool isValidSessionID(long sessionID)
{
// Create new database connection object
spExecution sp = new spExecution();
sp.SQLConnect();
if (sp.ValidateSessionID(sessionID))
{
sp.SQLDisconnect(); // Disconnect from SQL
return(true);
}
else
{
sp.SQLDisconnect(); // Disconnect from SQL
return(false);
}
}
public long UserLogin(String userName, String password)
{
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Check if the user name & password are valid
if (sp.ValidateUser(userName, password) == "1")
{
sp.SQLDisconnect(); // Disconnect from SQL
return NewSessionID(userName);
}
else
{
sp.SQLDisconnect(); // Disconnect from SQL
return 0L;
}
}
public long UserLogin(String userName, String password)
{
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Check if the user name & password are valid
if (sp.ValidateUser(userName, password) == "1")
{
sp.SQLDisconnect(); // Disconnect from SQL
return(NewSessionID(userName));
}
else
{
sp.SQLDisconnect(); // Disconnect from SQL
return(0L);
}
}
/// <summary>
/// Adds a media attachment to a message post
/// </summary>
/// <param name="sessionID">User's current session ID</param>
/// <param name="messageID">The message ID to which the media will be attached</param>
/// <param name="dataType">The type of media being attached</param>
/// <param name="data">The base64 media data to be written to the drive</param>
private void PostMsgAttachment(long sessionID, int messageID, String dataType, String data)
{
String fileName = "";
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Set up the base directory for where the data will be stored
String path = @"C:\Inetpub\MessageLogger\message-media\" +
sp.GetUserFromSession(sessionID) + @"\" + messageID + @"\";
Directory.CreateDirectory(path);
// Setup the file name
System.Globalization.CultureInfo ci = System.Globalization.CultureInfo.InstalledUICulture;
fileName += System.DateTime.Now.ToString("yyyy_mm_dd-hh_mm_ss_fff", ci);
// Disconnect and reconnect to clear the SQL command
sp.SQLDisconnect();
sp.SQLConnect();
// Post the data to the database
sp.PostMsgAttachment(sessionID, messageID, dataType, path + fileName);
sp.SQLDisconnect();
// Convert the base64 string to a byte array
byte[] dataBytes = Convert.FromBase64String(data);
// Create the appropriate filename
if (dataType == "jpeg-image")
{
fileName += ".jpg";
}
if (dataType == "png-image")
{
fileName += ".jpg";
}
else if (dataType == "gif-image")
{
fileName += ".gif";
}
else if (dataType == "mpeg-video")
{
fileName += ".mpg";
}
else if (dataType == "wmv-video")
{
fileName += ".wmv";
}
else if (dataType == "wav-sound")
{
fileName += ".wav";
}
// Write the file to the drive
FileStream fs = new FileStream(path + fileName, FileMode.Create, FileAccess.Write);
BinaryWriter writer = new BinaryWriter(fs);
try
{
for (int i = 0; i < dataBytes.Length; i++)
{
writer.Write(dataBytes[i]);
}
}
finally
{
writer.Close();
fs.Close();
}
}
/// <summary>
/// Adds a media attachment to a message post
/// </summary>
/// <param name="sessionID">User's current session ID</param>
/// <param name="messageID">The message ID to which the media will be attached</param>
/// <param name="dataType">The type of media being attached</param>
/// <param name="data">The base64 media data to be written to the drive</param>
private void PostMsgAttachment(long sessionID, int messageID, String dataType, String data)
{
String fileName = "";
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Set up the base directory for where the data will be stored
String path = @"C:\Inetpub\MessageLogger\message-media\" +
sp.GetUserFromSession(sessionID) + @"\" + messageID + @"\";
Directory.CreateDirectory(path);
// Setup the file name
System.Globalization.CultureInfo ci = System.Globalization.CultureInfo.InstalledUICulture;
fileName += System.DateTime.Now.ToString("yyyy_mm_dd-hh_mm_ss_fff", ci);
// Disconnect and reconnect to clear the SQL command
sp.SQLDisconnect();
sp.SQLConnect();
// Post the data to the database
sp.PostMsgAttachment(sessionID, messageID, dataType, path + fileName);
sp.SQLDisconnect();
// Convert the base64 string to a byte array
byte[] dataBytes = Convert.FromBase64String(data);
// Create the appropriate filename
if (dataType == "jpeg-image")
{
fileName += ".jpg";
}
if (dataType == "png-image")
{
fileName += ".jpg";
}
else if (dataType == "gif-image")
{
fileName += ".gif";
}
else if (dataType == "mpeg-video")
{
fileName += ".mpg";
}
else if (dataType == "wmv-video")
{
fileName += ".wmv";
}
else if (dataType == "wav-sound")
{
fileName += ".wav";
}
// Write the file to the drive
FileStream fs = new FileStream(path + fileName, FileMode.Create, FileAccess.Write);
BinaryWriter writer = new BinaryWriter(fs);
try
{
for (int i = 0; i < dataBytes.Length; i++)
{
writer.Write(dataBytes[i]);
}
}
finally
{
writer.Close();
fs.Close();
}
}
/// <summary>
/// Validates a current session ID
/// </summary>
/// <param name="sessionID">The user's session ID</param>
/// <returns>TRUE if valid, FALSE if not</returns>
private bool isValidSessionID(long sessionID)
{
// Create new database connection object
spExecution sp = new spExecution();
sp.SQLConnect();
if (sp.ValidateSessionID(sessionID))
{
sp.SQLDisconnect(); // Disconnect from SQL
return true;
}
else
{
sp.SQLDisconnect(); // Disconnect from SQL
return false;
}
}
/// <summary>
/// Returns a new session ID for the user
/// </summary>
/// <param name="userName">The user loggin in</param>
/// <returns>The user's new session ID</returns>
private long NewSessionID(String userName)
{
long sessionID;
// Create new database object
spExecution sp = new spExecution();
sp.SQLConnect();
// Create new session ID
sessionID = sp.NewSessionID(userName);
sp.SQLDisconnect(); // Disconnect from SQL
return sessionID;
}