// Method to perform search on the querey
private void search(RPN rpn, Fleet fleet)
{
Console.WriteLine("\n--------------------------------------------- Searching available vehicles ---------------------------------------------");
// Create new datatable for available vehicles (unrented)
DataTable AvaiableVehicles = new DataTable();
// Fill table for available vehicles
CsvOperations.SearchToTable(fleet, AvaiableVehicles);
// Show search to table datatable
CsvOperations.ShowDataTable(AvaiableVehicles, fleet.FleetFile, "ASCII", true);
Console.Write("\nInfix expression: ");
foreach (string token in rpn.InfixTokens)
{
Console.Write(token + " ");
}
Console.WriteLine();
Console.Write("Postfix expression: ");
foreach (string token in rpn.PostfixTokens)
{
Console.Write(token + " ");
}
Console.WriteLine();
Console.WriteLine();
fleet.search(out string[] result, rpn);
if (result.Length == 0)
{
throw new Exception("No match found");
}
List <string> results = new List <string>();
foreach (string res in result)
{
// display vehicle by registration plate (rego)
Vehicle v;
for (int i = 0; i < fleet.vehicles.Count; i++)
{ // go through, find the vehicle by rego
v = (Vehicle)fleet.vehicles[i];
if (v.registration == res)
{
results.Add(v.ToCSVstring());
break;
}
}
}
Console.WriteLine("\n-------------------------------------------------- Query Search Output -------------------------------------------------");
// Create new datatable for query result for searched vehicles
DataTable resultTable = new DataTable();
// fill query result table
CsvOperations.SearchToTable(fleet, resultTable, results);
// show datatable
CsvOperations.ShowDataTable(resultTable, fleet.FleetFile, "Extended", true);
}
// Method to perform search on the querey
private void search(RPN rpn, Fleet fleet)
{
// hardcode some vehicles and create sets of attributes.
// a set is comprised of vehicle number plates
Console.WriteLine("\n---------------- Searching available vehicles --------------");
DataTable AvaiableVehicles = new DataTable();
CsvOperations.SearchToTable(fleet, AvaiableVehicles);
CsvOperations.ShowDataTable(AvaiableVehicles, fleet.FleetFile, "ASCII", true);
Console.Write("\nInfix expression: ");
foreach (string token in rpn.InfixTokens)
{
Console.Write(token + " ");
}
Console.WriteLine();
Console.Write("Postfix expression: ");
foreach (string token in rpn.PostfixTokens)
{
Console.Write(token + " ");
}
Console.WriteLine();
Console.WriteLine();
fleet.search(out string[] result, rpn);
if (result.Length == 0)
{
throw new Exception("No match found");
}
List <string> results = new List <string>();
foreach (string res in result)
{
// display vehicle by registration plate (rego)
Vehicle v;
for (int i = 0; i < fleet.vehicles.Count; i++)
{ // go through, find the vehicle by rego
v = (Vehicle)fleet.vehicles[i];
if (v.registration == res)
{
results.Add(v.ToCSVstring());
break;
}
}
}
DataTable resultTable = new DataTable();
CsvOperations.SearchToTable(fleet, resultTable, results);
CsvOperations.ShowDataTable(resultTable, fleet.FleetFile, "Extended", true);
}
// method to show all vehicles if query is a blank line
private void search(Fleet fleet)
{
Console.WriteLine("\n-------------------------------------------- Showing all available vehicles --------------------------------------------");
// Create new datatable for all vehicles (unrented)
DataTable AllVehicles = new DataTable();
// Fill table for all vehicles
CsvOperations.SearchToTable(fleet, AllVehicles, null);
// Show search to table datatable
CsvOperations.ShowDataTable(AllVehicles, fleet.FleetFile, "ASCII", true);
}
// This methods displays the data table to the console, where it sources the csv files from the specified locations
private void DisplayTable(string option)
{
DataTable rentals = new DataTable();
DataTable fleet = new DataTable();
DataTable customers = new DataTable();
switch (option)
{
case "Customer":
CsvOperations.ShowDataTable(customers, Crm.CrmFile, CsvOperations.borderStyle);
break;
case "Fleet":
CsvOperations.ShowDataTable(fleet, Fleet.FleetFile, CsvOperations.borderStyle);
break;
case "Rentals":
CsvOperations.RentalsToTable(Fleet, rentals);
CsvOperations.ShowDataTable(rentals, Fleet.RentalsFile, CsvOperations.borderStyle, true);
break;
}
}
