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using Microsoft.AspNetCore.Http;
using Nop.Core;
using Nop.Data;
namespace Nop.Services.Common;
/// <summary>
/// Represents middleware that checks whether request is for keep alive
/// </summary>
public partial class KeepAliveMiddleware
{
#region Fields
protected readonly RequestDelegate _next;
#endregion
#region Ctor
public KeepAliveMiddleware(RequestDelegate next)
{
_next = next;
}
#endregion
#region Methods
/// <summary>
/// Invoke middleware actions
/// </summary>
/// <param name="context">HTTP context</param>
/// <param name="webHelper">Web helper</param>
/// <returns>A task that represents the asynchronous operation</returns>
public virtual async Task InvokeAsync(HttpContext context, IWebHelper webHelper)
{
//whether database is installed
if (DataSettingsManager.IsDatabaseInstalled())
{
//keep alive page requested (we ignore it to prevent creating a guest customer records)
var keepAliveUrl = $"{webHelper.GetStoreLocation()}{NopCommonDefaults.KeepAlivePath}";
if (webHelper.GetThisPageUrl(false).StartsWith(keepAliveUrl, StringComparison.InvariantCultureIgnoreCase))
return;
}
//or call the next middleware in the request pipeline
await _next(context);
}
#endregion
}