public Task InvokeAsync(HttpContext context, IServiceProvider requestServiceProvider)
{
HttpRequest request = context.Request;
if (!_options.Path.HasValue || _options.Path == request.Path)
{
var startPageProvider = requestServiceProvider.GetService <IStartPageProvider>();
var healthyCheck = requestServiceProvider.GetService <HealthCheckService>();
cachedHealthCheckService =
cachedHealthCheckService ??
requestServiceProvider.GetService <CachedHealthCheckService>()
?? new CachedHealthCheckService(new CachedHealthCheckServiceOptions()
{
CacheDuration = _options.HealtyCheckCacheDuration
});
var welcomePage = startPageProvider?.GetStartPage() ?? new StartPage();
return(welcomePage.ExecuteAsync(context, _options, healthyCheck, cachedHealthCheckService));
}
return(_next(context));
}
public virtual async Task ExecuteAsync(HttpContext context, StartPageOptions _options, HealthCheckService healthyCheck, CachedHealthCheckService cachedHealthCheckService)
{
var s = await GetPageStringAsync();
s = s.Replace("{{ServiceName}}", _options.Title);
if (_options.HealthCheckEnable && (healthyCheck != null))
{
var servicesString = "";
var r = await cachedHealthCheckService.GetOrCheckHealthAsync(healthyCheck, context.RequestAborted);
if (r != null)
{
s = s.Replace("{{Message}}", GetHealthStatusEmojiCode(r.Report.Status) + " " + r.Report.Status + " - " + GetHealthDateTimeString(r.Date));
servicesString = "<table style='width: 100 % '>";
servicesString += "<tr><td> </td><th> Service </th><th> Status </th></tr>";
foreach (var hi in r.Report.Entries)
{
servicesString += "<tr><td> " + GetHealthStatusEmojiCode(hi.Value.Status) + " </td><td> " + hi.Key + " </td><td> " + hi.Value.Status + " </td></tr>";
}
servicesString += "</table>";
}
else
{
s = s.Replace("{{Message}}", "Status: " + "Evaluating...");
}
s = s.Replace("{{Services}}", servicesString);
}
else
{
s = s.Replace("{{Message}}", _options.Message);
s = s.Replace("{{Services}}", "");
}
s = s.Replace("{{Version}}", _options.Version);
s = s.Replace("{{OrganizationName}}", _options.Organization ?? _options.Title);
s = s.Replace("{{Year}}", DateTimeOffset.UtcNow.Year.ToString());
await context.Response.WriteAsync(s);
}
