PIbd-21_Chechevitsyn_S.A_Simple/Publication/Reports/QueryBuilder.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Publication.Reports;

public class QueryBuilder
{
    private readonly StringBuilder _builder;

    public QueryBuilder()
    {
        _builder = new();
    }

    public QueryBuilder AddCondition(string condition)
    {
        if (_builder.Length > 0)
        {
            _builder.Append(" AND ");
        }

        _builder.Append(condition);

        return this;
    }

    public string Build()
    {
        if (_builder.Length == 0)
        {
            return string.Empty;
        }

        return $"WHERE {_builder}";
    }
}