return an empty list instead of an error if no result

Signed-off-by: Hadi <[email protected]>

cmd/main.go

@@ -58,12 +58,15 @@ func main() {
 	}
 
 	profiles, err := gravatar_recon.GetGravatarProfiles(email)
-	if err != nil {
+	if err != nil || profiles == nil {
 		log.Fatal("Failed to get Gravatar profile", "err", err)
 	}
 
 	if !*silent {
 		utils.Header()
+		if len(*profiles) == 0 {
+			utils.PrintNoResultFound()
+		}
 		for _, profile := range *profiles {
 			utils.PrintTitle(profile.PreferredUser + ":")
 			if *printAvatar {

main.go

@@ -91,6 +91,10 @@ func GetGravatarProfiles(email string) (*[]GravatarProfile, error) {
 	}
 	defer resp.Body.Close()
 
+	if resp.StatusCode == 404 {
+		return &[]GravatarProfile{}, nil
+	}
+
 	if resp.StatusCode != 200 {
 		return nil, fmt.Errorf("no gravatar profile found (status %d)", resp.StatusCode)
 	}

utils/print.go

@@ -133,6 +133,10 @@ func PrintTitle(title string) {
 	fmt.Println(titleStyle.Render(title) + "\n")
 }
 
+func PrintNoResultFound() {
+	fmt.Println(titleStyle.Render("No result found"))
+}
+
 func PrintAvatar(url string) {
 	if url == "" {
 		return