helpers.go

package main

import (
	"fmt"
	"net/http"
	"path/filepath"
	"runtime/debug"
)

func (app *application) serverError(w http.ResponseWriter, err error) {
	trace := fmt.Sprintf("%s\n%s", err.Error(), debug.Stack())
	app.errorLog.Output(2, trace)

	http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}

func (app *application) clientError(w http.ResponseWriter, status int) {
	http.Error(w, http.StatusText(status), status)
}

func (app *application) isAuthenticated(r *http.Request) bool {
	isAuthenticated, ok := r.Context().Value(isAuthenticatedContextKey).(bool)
	if !ok {
		return false
	}

	return isAuthenticated
}

func (app *application) hasPlayed(r *http.Request) bool {
	hasPlayed := r.Context().Value(userPlayContextKey)
	return hasPlayed != nil
}

func filenameWithoutExt(fileName string) string {
	return fileName[:len(fileName)-len(filepath.Ext(fileName))]
}