feat: merge auth&tester

pkg/errors.go

@@ -1,8 +1,11 @@
 package pkg
 
 import (
+	"database/sql"
 	"errors"
 	"fmt"
+	"github.com/jackc/pgerrcode"
+	"github.com/jackc/pgx/v5/pgconn"
 	"net/http"
 )
 
@@ -35,3 +38,21 @@ func ToREST(err error) int {
 
 	return http.StatusInternalServerError
 }
+
+func HandlePgErr(err error, op string) error {
+	var pgErr *pgconn.PgError
+	if errors.As(err, &pgErr) {
+		if pgerrcode.IsIntegrityConstraintViolation(pgErr.Code) {
+			return Wrap(ErrBadInput, err, op, pgErr.Message)
+		}
+		if pgerrcode.IsNoData(pgErr.Code) {
+			return Wrap(ErrNotFound, err, op, pgErr.Message)
+		}
+	}
+
+	if errors.Is(err, sql.ErrNoRows) {
+		return Wrap(ErrNotFound, err, op, "no rows found")
+	}
+
+	return Wrap(ErrUnhandled, err, op, "unexpected error")
+}