package pkg

import (
	"github.com/julienschmidt/httprouter"
	"net/http"
	"strconv"
)

func serveAttachment(w http.ResponseWriter, r *http.Request, params httprouter.Params, sql string) {
	slug := params[0].Value
	if !ValidUuid(slug) {
		http.NotFound(w, r)
		return
	}
	conn := getConn(r)
	var contentType string
	var content []byte
	if notFoundErrorOrPanic(conn.QueryRow(r.Context(), sql, slug).Scan(&contentType, &content)) {
		http.NotFound(w, r)
		return
	}
	w.Header().Set("Content-Type", contentType)
	w.Header().Set("Content-Length", strconv.FormatInt(int64(len(content)), 10))
	_, _ = w.Write(content)
}