private string GetScriptFileName(UpgradeScript script)
{
string fileName = "Upgrade" + script.From.ToString() + "to" + script.To.ToString() + _databaseType + ".sql";
string fullPath = Path.Combine(_scriptPath, fileName);
return(fullPath);
}
private void listRequiredUpgrades_DoubleClick(object sender, EventArgs e)
{
if (listRequiredUpgrades.SelectedItems.Count != 1)
{
return;
}
UpgradeScript script = listRequiredUpgrades.SelectedItems[0].Tag as UpgradeScript;
string scriptToExecute = GetScriptFileName(script);
try
{
System.Diagnostics.Process.Start("notepad.exe", scriptToExecute);
}
catch (Exception)
{
MessageBox.Show("Notepad could not be started.");
}
}
public bool CreateUpgradePath()
{
_upgradePath = new UpgradeScripts();
int from = _application.Database.CurrentVersion;
int to = _application.Database.RequiredVersion;
// Actually create the path.
while (from != to)
{
UpgradeScript script = _upgradeScripts.GetScriptUpgradingFrom(from);
if (script == null)
{
MessageBox.Show("Upgrade path not found. Please contact support", "hMailServer");
return(false);
}
string fileName = GetScriptFileName(script);
if (!File.Exists(fileName))
{
MessageBox.Show("Required file for upgrade not found:" + Environment.NewLine + fileName, "hMailServer");
return(false);
}
_upgradePath.Add(script);
from = script.To;
}
DisplayUpgradePath();
return(true);
}
public void DoUpgrade()
{
using (new WaitCursor())
{
buttonClose.Enabled = false;
buttonUpgrade.Enabled = false;
hMailServer.Database database = _application.Database;
try
{
database.BeginTransaction();
}
catch (Exception e)
{
HandleUpgradeError(database, e, "Transaction");
return;
}
// Run the prerequisites script.
string prerequisitesScript = GetPrerequisitesScript();
if (!string.IsNullOrEmpty(prerequisitesScript))
{
string fullScriptPath = Path.Combine(_scriptPath, prerequisitesScript);
try
{
database.ExecuteSQLScript(fullScriptPath);
}
catch (Exception ex)
{
HandleUpgradeError(database, ex, fullScriptPath);
return;
}
}
foreach (ListViewItem item in listRequiredUpgrades.Items)
{
UpgradeScript script = item.Tag as UpgradeScript;
string scriptToExecute = GetScriptFileName(script);
try
{
// Make sure the
database.EnsurePrerequisites(script.To);
database.ExecuteSQLScript(scriptToExecute);
item.SubItems.Add("Complete");
Application.DoEvents();
}
catch (Exception e)
{
item.SubItems.Add("Error");
HandleUpgradeError(database, e, scriptToExecute);
return;
}
}
try
{
database.CommitTransaction();
}
catch (Exception e)
{
HandleUpgradeError(database, e, "Transaction");
return;
}
Marshal.ReleaseComObject(database);
// Database has been upgraded. Reinitialize the connections.
_application.Reinitialize();
RemoveErrorLog();
buttonClose.Enabled = true;
}
}
private string GetScriptFileName(UpgradeScript script)
{
string fileName = "Upgrade" + script.From.ToString() + "to" + script.To.ToString() + _databaseType + ".sql";
string fullPath = Path.Combine(_scriptPath, fileName);
return fullPath;
}
public void Add(UpgradeScript script)
{
_upgradeScripts.Add(script);
}
public void Add(UpgradeScript script)
{
_upgradeScripts.Add(script);
}
