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bantflags/BantFlags/Data/Query.cs

65 lines
1.6 KiB

// (C) Copyright 2019 C-xC-c <boku@plum.moe>
// This file is part of BantFlags.
// BantFlags is licensed under the GNU AGPL Version 3.0 or later.
// see the LICENSE file or <https://www.gnu.org/licenses/>
using MySql.Data.MySqlClient;
5 years ago
using System;
using System.Data;
using System.Threading.Tasks;
namespace BantFlags.Data
{
/// <summary>
/// Succinct methods for creating and executing database queries
/// </summary>
public class Query : IDisposable
{
private MySqlCommand Command { get; }
public Query(MySqlCommand cmd)
{
Command = cmd;
}
public async Task<DataTable> ExecuteTableAsync()
{
using (var reader = await Command.ExecuteReaderAsync())
{
DataTable table = new DataTable();
table.Load(reader);
return table;
}
}
public async Task ExecuteNonQueryAsync(bool reuse = false)
{
await Command.ExecuteNonQueryAsync();
if (!reuse)
{
Dispose();
}
}
public Query SetParam(string parameter, object value)
{
// When we reuse a query, we write over the parameter.
if (Command.Parameters.Contains(parameter))
{
Command.Parameters[parameter].Value = value;
}
else
{
Command.Parameters.AddWithValue(parameter, value);
}
return this;
}
public void Dispose()
{
Command.Dispose();
}
}
}