add home handler + add templates folder

handlers/home/handler.go

@@ -0,0 +1,37 @@
+package home
+
+import (
+	"bytes"
+	"fmt"
+	"librapi/templates"
+	"net/http"
+
+	"github.com/rs/zerolog/log"
+)
+
+func Handler() func(http.ResponseWriter, *http.Request) {
+	return func(w http.ResponseWriter, r *http.Request) {
+		switch r.Method {
+		case http.MethodGet:
+			getHome(w, r)
+		default:
+			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+		}
+	}
+}
+
+func getHome(w http.ResponseWriter, _ *http.Request) {
+	home := templates.GetHome()
+
+	buf := bytes.NewBufferString("")
+	if err := home.Execute(buf, nil); err != nil {
+		log.Err(err).Msg("unable to generate template")
+		http.Error(w, "unexpected error occurred", http.StatusInternalServerError)
+		return
+	}
+
+	if _, err := fmt.Fprint(w, buf); err != nil {
+		log.Err(err).Msg("unable to write to response")
+		http.Error(w, "unexpected error occurred", http.StatusInternalServerError)
+	}
+}