feat: validate user input for entity names

internal/controller/fleet.go

@@ -9,6 +9,7 @@ import (
 	"github.com/google/uuid"
 	e "github.com/iliadenisov/galaxy/internal/error"
 	"github.com/iliadenisov/galaxy/internal/model/game"
+	"github.com/iliadenisov/galaxy/internal/util"
 )
 
 var fleetStateNil = game.ShipGroupState("-")
@@ -110,7 +111,7 @@ func (c *Controller) JoinShipGroupToFleet(raceName, fleetName string, group, cou
 
 func (c *Cache) JoinShipGroupToFleet(ri int, fleetName string, groupIndex, quantity uint) (err error) {
 	c.validateRaceIndex(ri)
-	name, ok := validateTypeName(fleetName)
+	name, ok := util.ValidateTypeName(fleetName)
 	if !ok {
 		return e.NewEntityTypeNameValidationError("%q", name)
 	}
@@ -211,7 +212,7 @@ func (c *Cache) JoinFleets(ri int, fleetSourceName, fleetTargetName string) (err
 
 func (c *Cache) createFleet(ri int, name string) (int, error) {
 	c.validateRaceIndex(ri)
-	n, ok := validateTypeName(name)
+	n, ok := util.ValidateTypeName(name)
 	if !ok {
 		return 0, e.NewEntityTypeNameValidationError("%q", n)
 	}