private ViewResult ShowWebsiteErrorPage()
{
try
{
string errorPageFileLocation = Configuration.CustomRouting.GetErrorPageFile();
errorPageFileLocation = Globalization.GlobalizeView(errorPageFileLocation, Request);
return(View(errorPageFileLocation)); // Custom error page from the theme will be served.
}
catch (Exception ex)
{
throw new CustomRoutingException(ex); // This will eventually raise the Fatal Error Page in Production mode.
}
}
public IActionResult Index()
{
try
{
// Test, whether the installation was already completed and database was seeded
if (!Configuration.InstallationCompleted())
{
return(RedirectToAction("Index", "Install", new { area = "admin" }));
}
string rawUrl = Request.Path; // Gets ie.: /MyController/MyActionName, WITHOUT HOST NAME
// In the startup.cs there is: app.UseExceptionHandler("/Views/Shared/_FatalError.cshtml").
// We don't want to look in custom rounting system for this url and just serve it as is.
// This error view will be returned usually in case of syntax error in view file.
TempData["ErrorInPageLevelCode"] = "1";
if (rawUrl == "/Views/Shared/_FatalError.cshtml")
{
return(View(rawUrl));
}
// Let's test whether we can connect to the database
try
{
// If there is any error with the connection, this statement will throw exception.
(((_dataServicePublic.Database as DatabaseContext).Database).GetService <IDatabaseCreator>() as RelationalDatabaseCreator).Exists();
}
catch (Exception)
{
//return ShowWebsiteErrorPage(); --> this will show theme error page
TempData["ExceptionMessage"] = new DatabaseConnectionFailureException();
return(View("_FatalError", UpdateModel())); // This page shows different output for production setting
}
string file; // helper variable for storing physical file adress for custom routing system
if (Configuration.CustomRouting.IsHomePage(rawUrl)) // For the main (index) page only
{
string viewToReturn = Configuration.CustomRouting.GetHomePageFile(); // throws CustomRouting exception when view is not found
viewToReturn = Globalization.GlobalizeView(viewToReturn, Request); // current culture is fetched and requested view name changed to e.x. : Index.{culture}.cshtml
return(View(viewToReturn));
}
else if (!string.IsNullOrEmpty(file = Configuration.CustomRouting.MapUrlToFile(rawUrl))) // Custom mapping for non-index pages, throws exception if view is not found
{
// if urlRewriting is disabled + request for article page + request has parameter Id => id has to be
// supplied for article view model
if (!Configuration.WebsiteConfig.UrlRewriting && UrlRewriting.CompareUrls(rawUrl, Configuration.WebsiteConfig.ArticleRoute))
{
string queryId;
if (!string.IsNullOrEmpty(queryId = Request.Query["id"].ToString()))
{
try
{
file = Globalization.GlobalizeView(file, Request);
return(View(file, Convert.ToInt32(queryId)));
}
catch
{
// program will continue
}
}
}
// the requested file could be something other than .cshtml view (robots.txt etc.)
if (file.EndsWith(".txt"))
{
return(Content(System.IO.File.ReadAllText(file)));
}
file = Globalization.GlobalizeView(file, Request);// current culture is fetched and requested view name changed to e.x. : About.{culture}.cshtml
return(View(file));
}
// --------------URL REWRITING FOR ARTICLES-----------------------------------------------------------------
// first condition checks whether is URL rewriting allowed in theme jasper.json
else if (Configuration.WebsiteConfig.UrlRewriting && UrlRewriting.IsUrlRewriteRequest(rawUrl))
{
int articleIdFromRequest = UrlRewriting.ReturnArticleIdFromNiceUrl(rawUrl, _dataServicePublic);
if (articleIdFromRequest != -1) // appropriate articleId was found in the DB
{
string articleFileLocation = Configuration.WebsiteConfig.ArticleFile;
string physicalFileLocation = Configuration.CustomRouting.RelativeThemePathToRootRelativePath(articleFileLocation);
physicalFileLocation = Globalization.GlobalizeView(physicalFileLocation, Request);
return(View(physicalFileLocation, articleIdFromRequest)); // this returns view based one path: ie: /Themes/Jasper/Article.cshtml and passes model data.
}
else // URL rewriting rule for current article request does not exist
{
// Return Article view and pass Null instead of Id --> view itself will handle the null value and show ie.: article not found
string articleFileLocation = Configuration.WebsiteConfig.ArticleFile;
string physicalFileLocation = Configuration.CustomRouting.RelativeThemePathToRootRelativePath(articleFileLocation);
physicalFileLocation = Globalization.GlobalizeView(physicalFileLocation, Request);
return(View(physicalFileLocation, null));
}
} // --------------END URL REWRITING FOR ARTICLES--------------------------------------------------------------
else // page was not found
{
bool isRequestFromAdminArea = (rawUrl.ToLower()).StartsWith("/admin", false, System.Globalization.CultureInfo.CurrentCulture) ? true : false;
if (isRequestFromAdminArea)
{
// Admin error page
if (!Env.Hosting.IsDevelopment())
{
return(RedirectToAction("Error", "Home", new { area = "admin" })); // URL will be changed
}
// return View("~/Areas/Admin/Views/Shared/_Error.cshtml"); // URL will remain the same
else
{
return(View());
}
}
else
{
// Website error page
if (!Env.Hosting.IsDevelopment())
{
return(ShowWebsiteErrorPage());
}
else
{
return(View()); // ASP.NET error page will be shown
}
}
}
}
catch (Exception ex)
{
TempData["ExceptionMessage"] = ex;
return(View("_FatalError", UpdateModel()));
}
}