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DB.cs
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DB.cs
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/***************************************************************************************
* Copyright (C) 2021 Fran Vojković, Martina Gaćina, Matea Čotić, Mirna Keser *
* *
* This file is part of the RP3_Projekt project. *
* *
***************************************************************************************/
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CaffeBar
{
/// <summary>
/// Database comunication class.
/// </summary>
internal static class DB
{
//internal static string connection_string = @"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=C:\Users\franv\Documents\Faks-noDrive\RP3\projekt\RP3_Projekt\CaffeBarDatabase.mdf;Integrated Security=True";
private static string
part =
System
.IO
.Directory
.GetCurrentDirectory()
.Substring(0,
System
.IO
.Directory
.GetCurrentDirectory()
.LastIndexOf(@"\"));
internal static string
connection_string =
@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=" +
part.Substring(0, part.LastIndexOf(@"\")) +
@"\CaffeBarDatabase.mdf" +
";Integrated Security=True";
internal static SqlConnection db = null;
internal static SqlConnection getConnection()
{
if (DB.db == null)
{
String path =
System
.IO
.Directory
.GetCurrentDirectory()
.Substring(0,
System
.IO
.Directory
.GetCurrentDirectory()
.LastIndexOf(@"\"));
path =
path.Substring(0, path.LastIndexOf(@"\")) +
@"\CaffeBarDatabase.mdf";
try
{
DB.db =
new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename=" +
path +
";Integrated Security=True");
DB.db.Open();
}
catch (Exception ex)
{
throw ex;
}
}
else if (DB.db.State == ConnectionState.Closed)
{
try
{
DB.db.Open();
}
catch (Exception ex)
{
throw ex;
}
}
return DB.db;
}
internal static void closeConnection()
{
if (DB.db.State == ConnectionState.Open) DB.db.Close();
}
}
}