DateTimeColumn.cs

using System;

namespace Queries.Core.Parts.Columns;

/// <summary>
/// Column that contains <see cref="DateTime"/>/<see cref="DateTimeOffset"/> value.
/// </summary>
public class DateTimeColumn : Literal, IFormattableColumn<DateTimeColumn>
{
    /// <summary>
    /// Format used when displaying columns value
    /// </summary>
    public string StringFormat { get; private set; }

    /// <summary>
    /// Builds a new <see cref="DateTimeColumn"/> instance.
    /// </summary>
    /// <param name="value">value of the column</param>
    public DateTimeColumn(DateTime value) : this(value, "yyyy-MM-dd")
    {}

    /// <summary>
    /// Builds a new <see cref="DateTimeColumn"/> instance.
    /// </summary>
    /// <param name="value">value of the column</param>
    /// <param name="stringFormat">Format of the column</param>
    public DateTimeColumn(DateTime value, string stringFormat) : base(value) => StringFormat = stringFormat;

    /// <summary>
    /// Specifies an output format
    /// </summary>
    /// <param name="format">format to apply</param>
    /// <returns></returns>
    public DateTimeColumn Format(string format)
    {
        //TODO check that format conforms to RFC if not throw a exception
        StringFormat = format;
        return this;
    }
}