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using System;
using System.Collections.Generic;
using System.Text;
using MySql.Data.MySqlClient;
using System.Configuration.Provider;
using MySql.Web.Properties;
namespace MySql.Web.General
{
internal class Application
{
private int _id;
private string _desc;
public Application(string name, string desc)
{
Id = -1;
Name = name;
Description = desc;
}
public int Id
{
get { return _id; }
private set { _id = value; }
}
public string Name;
public string Description
{
get { return _desc; }
private set { _desc = value; }
}
public int FetchId(MySqlConnection connection)
{
if (Id == -1)
{
MySqlCommand cmd = new MySqlCommand(
@"SELECT id FROM my_aspnet_Applications WHERE name=@name", connection);
cmd.Parameters.AddWithValue("@name", Name);
object id = cmd.ExecuteScalar();
Id = id == null ? -1 : Convert.ToInt32(id);
}
return Id;
}
/// <summary>
/// Creates the or fetch application id.
/// </summary>
/// <param name="applicationName">Name of the application.</param>
/// <param name="applicationId">The application id.</param>
/// <param name="applicationDesc">The application desc.</param>
/// <param name="connection">The connection.</param>
public int EnsureId(MySqlConnection connection)
{
// first try and retrieve the existing id
if (FetchId(connection) <= 0)
{
MySqlCommand cmd = new MySqlCommand(
"INSERT INTO my_aspnet_Applications VALUES (NULL, @appName, @appDesc)", connection);
cmd.Parameters.AddWithValue("@appName", Name);
cmd.Parameters.AddWithValue("@appDesc", Description);
int recordsAffected = cmd.ExecuteNonQuery();
if (recordsAffected != 1)
throw new ProviderException(Resources.UnableToCreateApplication);
Id = Convert.ToInt32(cmd.LastInsertedId);
}
return Id;
}
}
}
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