Migrate to stateless app.App (#17542)

* add request context

* move initialialization to server

* use app interface instead of global app functions

* remove app context from webconn

* cleanup

* remove duplicated services

* move context to separate package

* remove finalize init method and move content to NewServer function

* restart workers and schedulers after adding license for tests

* reflect review comments

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

web/static.go

@@ -21,20 +21,20 @@ import (
 var robotsTxt = []byte("User-agent: *\nDisallow: /\n")
 
 func (w *Web) InitStatic() {
-	if *w.ConfigService.Config().ServiceSettings.WebserverMode != "disabled" {
-		if err := utils.UpdateAssetsSubpathFromConfig(w.ConfigService.Config()); err != nil {
+	if *w.app.Config().ServiceSettings.WebserverMode != "disabled" {
+		if err := utils.UpdateAssetsSubpathFromConfig(w.app.Config()); err != nil {
 			mlog.Error("Failed to update assets subpath from config", mlog.Err(err))
 		}
 
 		staticDir, _ := fileutils.FindDir(model.CLIENT_DIR)
 		mlog.Debug("Using client directory", mlog.String("clientDir", staticDir))
 
-		subpath, _ := utils.GetSubpathFromConfig(w.ConfigService.Config())
+		subpath, _ := utils.GetSubpathFromConfig(w.app.Config())
 
 		staticHandler := staticFilesHandler(http.StripPrefix(path.Join(subpath, "static"), http.FileServer(http.Dir(staticDir))))
-		pluginHandler := staticFilesHandler(http.StripPrefix(path.Join(subpath, "static", "plugins"), http.FileServer(http.Dir(*w.ConfigService.Config().PluginSettings.ClientDirectory))))
+		pluginHandler := staticFilesHandler(http.StripPrefix(path.Join(subpath, "static", "plugins"), http.FileServer(http.Dir(*w.app.Config().PluginSettings.ClientDirectory))))
 
-		if *w.ConfigService.Config().ServiceSettings.WebserverMode == "gzip" {
+		if *w.app.Config().ServiceSettings.WebserverMode == "gzip" {
 			staticHandler = gziphandler.GzipHandler(staticHandler)
 			pluginHandler = gziphandler.GzipHandler(pluginHandler)
 		}
@@ -58,7 +58,10 @@ func (w *Web) InitStatic() {
 func root(c *Context, w http.ResponseWriter, r *http.Request) {
 
 	if !CheckClientCompatibility(r.UserAgent()) {
-		renderUnsupportedBrowser(c.App, w, r)
+		w.Header().Set("Cache-Control", "no-store")
+		data := renderUnsupportedBrowser(c.AppContext, r)
+
+		c.App.Srv().TemplatesContainer().Render(w, "unsupported_browser", data)
 		return
 	}