internal static async Task LogExceptionAsync(this IDiagnosticsDbContext db, Exception e, HttpContext?http, IPrincipalUser?principal)
{
principal ??= http?.RequestServices?.GetService <IPrincipalUser>();
http ??= principal?.ServiceProvider?.GetService <IHttpContextAccessor>()?.HttpContext;
var log = new ExceptionLog {
ExceptionType = e.GetType().Name,
Message = e.Message,
Source = e.Source,
StackTrace = e.StackTrace,
};
if (principal != null)
{
log.ReadValuesFromPrincipal(principal);
}
if (http != null)
{
log.ReadValuesFromHttpContext(http);
}
log.ComputeMd5Comparison();
var repeating = db.ExceptionLogs
.OrderByDescending(x => x.Id)
.Where(x => x.Md5Comparison == log.Md5Comparison)
.FirstOrDefault();
if (repeating == null)
{
db.ExceptionLogs.Add(log);
}
else
{
repeating.Repeated++;
repeating.LastTime = DateTime.Now;
}
await db.Normalize().SaveChangesAsync();
}
