package main import ( "fmt" "net/http" ) func (app *application) logError(r *http.Request, err error) { app.logger.Print(err) } func (app *application) errorResponse(w http.ResponseWriter, r *http.Request, status int, message any) { env := envelope{"error": message} err := app.writeJSON(w, status, env, nil) if err != nil { app.logError(r, err) w.WriteHeader(500) } } func (app *application) serverErrorResponse(w http.ResponseWriter, r *http.Request, err error) { app.logError(r, err) message := "the server encountered an error and could not process your request" app.errorResponse(w, r, http.StatusInternalServerError, message) } func (app *application) notFoundResponse(w http.ResponseWriter, r *http.Request) { message := "the requested resources could not be found" app.errorResponse(w, r, http.StatusNotFound, message) } func (app *application) methodNotAllowedResponse(w http.ResponseWriter, r *http.Request) { message := fmt.Sprintf("the %s method is not supported for this resource", r.Method) app.errorResponse(w, r, http.StatusMethodNotAllowed, message) } func (app *application) badRequestResponse(w http.ResponseWriter, r *http.Request, err error) { app.errorResponse(w, r, http.StatusBadRequest, err.Error()) } func (app *application) failedValidationResponse(w http.ResponseWriter, r *http.Request, errors map[string]string) { app.errorResponse(w, r, http.StatusUnprocessableEntity, errors) }