save request to local file, csv format

main.go

@@ -2,9 +2,13 @@ package main
 
 import (
 	"embed"
+	"fmt"
 	"html/template"
 	"log"
 	"net/http"
+	"os"
+	"strings"
+	"time"
 )
 
 type EmojiDetails struct {
@@ -28,8 +32,10 @@ func handleForm(w http.ResponseWriter, r *http.Request) {
 		Url:   r.FormValue("url"),
 	}
 
-	log.Print(details.Label)
+	now := time.Now().UTC().Format(time.RFC3339)
-	log.Print(details.Url)
+	entry := strings.Join([]string{now, details.Label, details.Url}, ",")
+	log.Print("inserting: ", entry)
+	insertEntry(entry)
 
 	tmpl.Execute(w, struct{ Success bool }{true})
 }
@@ -39,6 +45,19 @@ func setupRoutes() {
 	http.ListenAndServe(":8080", nil)
 }
 
+func insertEntry(entry string) {
+	f, err := os.OpenFile("requests.txt",
+		os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		log.Println(err)
+	}
+	defer f.Close()
+	entryFormatted := fmt.Sprintf("%s\n", entry)
+	if _, err := f.WriteString(entryFormatted); err != nil {
+		log.Println(err)
+	}
+}
+
 func main() {
 	setupRoutes()
 }