jellyfin/Jellyfin.Api/Attributes/HttpSubscribeAttribute.cs

using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.Mvc.Routing;

namespace Jellyfin.Api.Attributes;

/// <summary>
/// Identifies an action that supports the HTTP GET method.
/// </summary>
public sealed class HttpSubscribeAttribute : HttpMethodAttribute
{
    private static readonly IEnumerable<string> _supportedMethods = new[] { "SUBSCRIBE" };

    /// <summary>
    /// Initializes a new instance of the <see cref="HttpSubscribeAttribute"/> class.
    /// </summary>
    public HttpSubscribeAttribute()
        : base(_supportedMethods)
    {
    }

    /// <summary>
    /// Initializes a new instance of the <see cref="HttpSubscribeAttribute"/> class.
    /// </summary>
    /// <param name="template">The route template. May not be null.</param>
    public HttpSubscribeAttribute(string template)
        : base(_supportedMethods, template)
        => ArgumentNullException.ThrowIfNull(template);
}