refactor: executors and routers

* refactor: executors and routers

internal/model/game/race.go

@@ -1,6 +1,24 @@
 package game
 
-import "github.com/google/uuid"
+import (
+	"strings"
+
+	"github.com/google/uuid"
+)
+
+type Relation string
+
+const (
+	RelationWar   Relation = "War"
+	RelationPeace Relation = "Peace"
+)
+
+var (
+	relationSet = map[string]Relation{
+		strings.ToLower(RelationWar.String()):   RelationWar,
+		strings.ToLower(RelationPeace.String()): RelationPeace,
+	}
+)
 
 type Race struct {
 	ID        uuid.UUID      `json:"id"`
@@ -15,17 +33,17 @@ type Race struct {
 	ShipTypes []ShipType     `json:"shipType,omitempty"`
 }
 
-type Relation string
+func ParseRelation(v string) (Relation, bool) {
+	if v, ok := relationSet[strings.ToLower(v)]; ok {
+		return v, ok
+	}
+	return Relation(""), false
+}
 
 func (r Relation) String() string {
 	return string(r)
 }
 
-const (
-	RelationWar   Relation = "War"
-	RelationPeace Relation = "Peace"
-)
-
 type RaceRelation struct {
 	RaceID   uuid.UUID `json:"raceId"`
 	Relation Relation  `json:"relation"`