refactor: group uuid instead of index

internal/controller/controller_export_test.go

@@ -1,13 +1,32 @@
 package controller
 
 import (
-	"fmt"
 	"iter"
 
 	"github.com/google/uuid"
+	e "github.com/iliadenisov/galaxy/internal/error"
 	"github.com/iliadenisov/galaxy/internal/model/game"
 )
 
+func (c *Cache) CreateShips(ri int, shipTypeName string, planetNumber uint, quantity int) error {
+	class, _, ok := c.ShipClass(ri, shipTypeName)
+	if !ok {
+		return e.NewEntityNotExistsError("ship class q", shipTypeName)
+	}
+
+	p, ok := c.Planet(planetNumber)
+	if !ok {
+		return e.NewEntityNotExistsError("planet #%d", planetNumber)
+	}
+	if !p.OwnedBy(c.g.Race[ri].ID) {
+		return e.NewEntityNotOwnedError("planet #%d", planetNumber)
+	}
+
+	c.createShipsUnsafe(ri, class.ID, p.Number, uint(quantity))
+
+	return nil
+}
+
 func (c *Cache) AddRace(n string) (int, uuid.UUID) {
 	id := uuid.New()
 	r := &game.Race{
@@ -57,15 +76,6 @@ func (c *Cache) MustFleetID(ri int, name string) uuid.UUID {
 	panic("fleet not found")
 }
 
-func (c *Cache) MustShipGroup(ri int, index uint) *game.ShipGroup {
-	for sg := range c.listShipGroups(ri) {
-		if sg.Index == index {
-			return sg
-		}
-	}
-	panic(fmt.Sprintf("race i=%d have no group i=%d", ri, index))
-}
-
 func (c *Cache) MustShipClass(ri int, name string) *game.ShipType {
 	st, _, ok := c.ShipClass(ri, name)
 	if !ok {