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using System.Collections.Generic;
using System.Linq;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ApplicationModels;
namespace Jellyfin.Api
{
/// <summary>
/// Route prefixing for ASP.NET MVC.
/// </summary>
public static class MvcRoutePrefix
{
/// <summary>
/// Adds route prefixes to the MVC conventions.
/// </summary>
/// <param name="opts">The MVC options.</param>
/// <param name="prefixes">The list of prefixes.</param>
public static void UseGeneralRoutePrefix(this MvcOptions opts, params string[] prefixes)
{
opts.Conventions.Insert(0, new RoutePrefixConvention(prefixes));
}
private class RoutePrefixConvention : IApplicationModelConvention
{
private readonly AttributeRouteModel[] _routePrefixes;
public RoutePrefixConvention(IEnumerable<string> prefixes)
{
_routePrefixes = prefixes.Select(p => new AttributeRouteModel(new RouteAttribute(p))).ToArray();
}
public void Apply(ApplicationModel application)
{
foreach (var controller in application.Controllers)
{
if (controller.Selectors == null)
{
continue;
}
var newSelectors = new List<SelectorModel>();
foreach (var selector in controller.Selectors)
{
newSelectors.AddRange(_routePrefixes.Select(routePrefix => new SelectorModel(selector)
{
AttributeRouteModel = AttributeRouteModel.CombineAttributeRouteModel(routePrefix, selector.AttributeRouteModel)
}));
}
controller.Selectors.Clear();
newSelectors.ForEach(selector => controller.Selectors.Add(selector));
}
}
}
}
}
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