// load databases from files vendors.txt and inventory.txt
private void LoadBtn_Click(object sender, EventArgs e)
{
if (errStream != null)
{
errStream.Close();
}
Databases dbs = Databases.Instance;
string dbPath = Path.Combine(Application.StartupPath, "Db");
string appName = Path.GetFileName(Application.ExecutablePath);
errStream = File.Open(Path.Combine(dbPath, "errors.txt"), FileMode.OpenOrCreate, FileAccess.Write);
dbs.Open(dbPath, appName, errStream);
// load vendors
StreamReader sr = new StreamReader(Path.Combine(dbPath, "vendors.txt"));
Regex rgx = new Regex("(.*)#(.*)#(.*)#(.*)#(.*)#(.*)#(.*)#(.*)", RegexOptions.Compiled);
Vendor vendor = new Vendor();
string line;
DbEntry keyEntry;
DbEntry dataEntry;
while ((line = sr.ReadLine()) != null && line.Length > 0)
{
Match match = rgx.Match(line);
GroupCollection groups = match.Groups;
if (groups.Count < 9)
{
throw new ApplicationException("Input error on vendors.txt");
}
InitVendorFromRegex(vendor, groups);
keyEntry = dbs.Fmt.ToDbEntry <string>(vendor.Name);
dataEntry = dbs.Fmt.ToDbEntry <Vendor>(vendor);
WriteStatus status = dbs.VendorDb.Put(null, ref keyEntry, ref dataEntry);
if (status != WriteStatus.Success)
{
throw new ApplicationException("Put failed");
}
}
// load inventory
sr = new StreamReader(Path.Combine(dbPath, "inventory.txt"));
rgx = new Regex("(.*)#(.*)#(.*)#(.*)#(.*)#(.*)", RegexOptions.Compiled);
StockItem item = new StockItem();
int count = 0;
while ((line = sr.ReadLine()) != null && line.Length > 0)
{
Match match = rgx.Match(line);
GroupCollection groups = match.Groups;
if (groups.Count < 7)
{
throw new ApplicationException("Input error on inventory.txt");
}
InitStockItemFromRegex(item, groups);
keyEntry = dbs.Fmt.ToDbEntry <string>(item.Sku);
dataEntry = dbs.Fmt.ToDbEntry <StockItem>(item);
WriteStatus status = dbs.InventoryDb.Put(null, ref keyEntry, ref dataEntry);
if (status != WriteStatus.Success)
{
throw new Exception("Put failed");
}
count++;
}
}