public static IApplicationBuilder UseStartPage(this IApplicationBuilder app, Action <StartPageOptions> optionsAction = null)
{
var option = new StartPageOptions();
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
optionsAction?.Invoke(option);
return(app.UseMiddleware <StartPageMiddleware>(Options.Create(option)));
}
public StartPageMiddleware(RequestDelegate next, IOptions <StartPageOptions> options)
{
if (next == null)
{
throw new ArgumentNullException(nameof(next));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
_next = next;
_options = options.Value;
}
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);
}
