Biskilog/BISKILOG POS PREMIUM/Delivery/Assignments.cs

using BiskLog_Point_Of_Sale.Classes;
using BiskLog_Point_Of_Sale.Properties;
using Point_Of_Sale_Managment;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.Delivery
{
    public partial class Assignments : Form
    {
        string truckID;
        SqlConnection cn;
        SqlCommand cm;
        SqlDataReader dr;
        DatabaseConn conn = new DatabaseConn();
        bool driver;
        public Assignments(string truckID, bool driver = false)
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            this.driver = driver;
            this.truckID = truckID;
        }

        private void exitBTN_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void exitBTN_MouseEnter(object sender, EventArgs e)
        {
            exitBTN.BackColor = Color.Crimson;
        }
        public int loadDetails(string id)
        {
            try
            {
                truckDriver.Invoke(new Action(() =>
                {
                    int i = 1;
                    cn.Open();
                    cm = new SqlCommand("Declare @truckDriver varchar(50) = (Select driver from tblTrucks where truckID = @truck and branchID = @branchID) " +
                        "Declare @license varchar(50) = (Select licensePlate from tblTrucks where truckID = @truck and branchID = @branchID) " +
                        "Select firstname,surname,@license from tblDrivers where driverID = @truckDriver and branchID = @branchID " +
                        "Select orderID, dateAssigned,cost from tblTruckAssignments where orderID not in (Select deliveryID from tblDeliveryHead where branchID = @branchID and status = @status) and truckID = @truck", cn);
                    cm.Parameters.AddWithValue("@truck", id);
                    cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                    cm.Parameters.AddWithValue("@status", "DELIVERED");
                    cm.ExecuteNonQuery();
                    dr = cm.ExecuteReader();
                    dr.Read();
                    if (dr.HasRows)
                    {
                        truckDriver.Text = dr[0].ToString().ToUpper() + " " + dr[1].ToString().ToUpper();
                        registrationNumber.Text = dr[2].ToString().ToUpper();
                    }
                    else
                    {
                        truckDriver.Text = "";
                        registrationNumber.Text = "";
                    }
                    dr.NextResult();
                    while (dr.Read())
                    {
                        tInventory.Rows.Add(i, dr[0].ToString(), Convert.ToDateTime(dr[1].ToString()).ToLongDateString(), dr[2].ToString());
                        i++;
                    }
                    dr.Close();
                    cn.Close();
                }));
                return 1;
            }
            catch (Exception ex)
            {
                cn.Close();
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }
        public int loadDetail(string id)
        {
            try
            {
                truckDriver.Invoke(new Action(() =>
                {
                    int i = 1;
                    cn.Open();
                    cm = new SqlCommand("Declare @license varchar(50) = (Select licensePlate from tblTrucks where truckID = @truck and branchID = @branchID) " +
                        "Select @license " +
                        "Select orderID, dateAssigned,cost from tblTruckAssignments where orderID not in (Select deliveryID from tblDeliveryHead where branchID = @branchID and status = @status) and truckID = @truck", cn);
                    cm.Parameters.AddWithValue("@truck", id);
                    cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                    cm.Parameters.AddWithValue("@status", "DELIVERED");
                    cm.ExecuteNonQuery();
                    dr = cm.ExecuteReader();
                    dr.Read();
                    if (dr.HasRows)
                    {
                        truckDriver.Text = "NO DRIVER ASSIGNED";
                        registrationNumber.Text = dr[0].ToString().ToUpper();
                    }
                    else
                    {
                        truckDriver.Text = "NO DRIVER ASSIGNED";
                        registrationNumber.Text = "";
                    }
                    dr.NextResult();
                    while (dr.Read())
                    {
                        tInventory.Rows.Add(i, dr[0].ToString(), Convert.ToDateTime(dr[1].ToString()).ToLongDateString(), dr[2].ToString());
                        i++;
                    }
                    dr.Close();
                    cn.Close();
                }));
                return 1;
            }
            catch (Exception ex)
            {
                cn.Close();
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }
        private void exitBTN_MouseLeave(object sender, EventArgs e)
        {
            exitBTN.BackColor = Color.FromArgb(20, 158, 137);
        }
        private async void TruckInventory_Load(object sender, EventArgs e)
        {
            if (driver)
            {
                Task<int> task = new Task<int>(() => loadDetails(truckID));
                task.Start();
                await task;
            }
            else
            {
                Task<int> task = new Task<int>(() => loadDetail(truckID));
                task.Start();
                await task;
            }
        }
    }
}