#region Ressources extérieures
using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using Projet_GestionCommerceInfo.Classes;
#endregion

namespace Projet_GestionCommerceInfo.Acces
{
 /// <summary>
 /// Couche d'accès aux données (Data Access Layer)
 /// </summary>
 public class A_Article : ADBase
 {
  #region Constructeurs
  public A_Article(string sChaineConnexion)
  	: base(sChaineConnexion)
  { }
  #endregion
  public int Ajouter(string Designation, int Stock, bool Visible, bool Actif, decimal? PrixHTVA)
  {
   CreerCommande("AjouterArticle");
   int res = 0;
   Commande.Parameters.Add("ID", SqlDbType.Int);
   Direction("ID", ParameterDirection.Output);
   Commande.Parameters.AddWithValue("@Designation", Designation);
   Commande.Parameters.AddWithValue("@Stock", Stock);
   Commande.Parameters.AddWithValue("@Visible", Visible);
   Commande.Parameters.AddWithValue("@Actif", Actif);
   if(PrixHTVA == null) Commande.Parameters.AddWithValue("@PrixHTVA", Convert.DBNull);
   else Commande.Parameters.AddWithValue("@PrixHTVA", PrixHTVA);
   Commande.Connection.Open();
   Commande.ExecuteNonQuery();
   res = int.Parse(LireParametre("ID"));
   Commande.Connection.Close();
   return res;
  }
  public int Modifier(int ID, string Designation, int Stock, bool Visible, bool Actif, decimal? PrixHTVA)
  {
   CreerCommande("ModifierArticle");
   int res = 0;
   Commande.Parameters.AddWithValue("@ID", ID);
   Commande.Parameters.AddWithValue("@Designation", Designation);
   Commande.Parameters.AddWithValue("@Stock", Stock);
   Commande.Parameters.AddWithValue("@Visible", Visible);
   Commande.Parameters.AddWithValue("@Actif", Actif);
   if(PrixHTVA == null) Commande.Parameters.AddWithValue("@PrixHTVA", Convert.DBNull);
   else Commande.Parameters.AddWithValue("@PrixHTVA", PrixHTVA);
   Commande.Connection.Open();
   Commande.ExecuteNonQuery();
   Commande.Connection.Close();
   return res;
  }
  public List<C_Article> Lire(string Index)
  {
   CreerCommande("SelectionnerArticle");
   Commande.Parameters.AddWithValue("@Index", Index);
   Commande.Connection.Open();
   SqlDataReader dr = Commande.ExecuteReader();
   List<C_Article> res = new List<C_Article>();
   while (dr.Read())
   {
    C_Article tmp = new C_Article();
    tmp.ID = int.Parse(dr["ID"].ToString());
    tmp.Designation = dr["Designation"].ToString();
    tmp.Stock = int.Parse(dr["Stock"].ToString());
    tmp.Visible = bool.Parse(dr["Visible"].ToString());
    tmp.Actif = bool.Parse(dr["Actif"].ToString());
   if(dr["PrixHTVA"] != DBNull.Value) tmp.PrixHTVA = decimal.Parse(dr["PrixHTVA"].ToString());
    res.Add(tmp);
			}
			dr.Close();
			Commande.Connection.Close();
			return res;
		}
  public C_Article Lire_ID(int ID)
  {
   CreerCommande("SelectionnerArticle_ID");
   Commande.Parameters.AddWithValue("@ID", ID);
   Commande.Connection.Open();
   SqlDataReader dr = Commande.ExecuteReader();
   C_Article res = new C_Article();
   while (dr.Read())
   {
    res.ID = int.Parse(dr["ID"].ToString());
    res.Designation = dr["Designation"].ToString();
    res.Stock = int.Parse(dr["Stock"].ToString());
    res.Visible = bool.Parse(dr["Visible"].ToString());
    res.Actif = bool.Parse(dr["Actif"].ToString());
   if(dr["PrixHTVA"] != DBNull.Value) res.PrixHTVA = decimal.Parse(dr["PrixHTVA"].ToString());
   }
			dr.Close();
			Commande.Connection.Close();
			return res;
		}
  public int Supprimer(int ID)
  {
   CreerCommande("SupprimerArticle");
   int res = 0;
   Commande.Parameters.AddWithValue("@ID", ID);
   Commande.Connection.Open();
   res = Commande.ExecuteNonQuery();
			Commande.Connection.Close();
			return res;
		}
 }
}