handler: added error handling when calling the Execute method for the home page

Lapp · Завьялов Илья · commit 3106f23094db · 2021-08-15T18:17:18.000+03:00
diff --git a/handler.go b/handler.go
@@ -27,7 +27,10 @@ func (h *handler) initRoutes() {
 }
 
 func (h *handler) index(w http.ResponseWriter, r *http.Request) {
-	indexTemplate.Execute(w, r.Host)
+	if err := indexTemplate.Execute(w, r.Host); err != nil {
+		http.Error(w, "failed to load a home page", http.StatusInternalServerError)
+		return
+	}
 }
 
 func (h *handler) chat(w http.ResponseWriter, r *http.Request) {

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,10 @@ func (h *handler) initRoutes() {`
`27`	`27`	`}`
`28`	`28`
`29`	`29`	`func (h handler) index(w http.ResponseWriter, r http.Request) {`
`30`		`- indexTemplate.Execute(w, r.Host)`
	`30`	`+ if err := indexTemplate.Execute(w, r.Host); err != nil {`
	`31`	`+ http.Error(w, "failed to load a home page", http.StatusInternalServerError)`
	`32`	`+ return`
	`33`	`+ }`
`31`	`34`	`}`
`32`	`35`
`33`	`36`	`func (h handler) chat(w http.ResponseWriter, r http.Request) {`