선전포고 구현

hwe/sammo/Constraint/ConstraintHelper.php

@@ -104,6 +104,10 @@ class ConstraintHelper{
         return [__FUNCTION__, $distance];
     }
 
+    static function NearNation():array{
+        return [__FUNCTION__];
+    }
+
     static function NotBeNeutral():array{
         return [__FUNCTION__];
     }

hwe/sammo/Constraint/NearNation.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace sammo\Constraint;
+
+class NearNation extends Constraint{
+    const REQ_VALUES = Constraint::REQ_NATION|Constraint::REQ_DEST_NATION;
+
+    public function checkInputValues(bool $throwExeception=true):bool{
+        if(!parent::checkInputValues($throwExeception) && !$throwExeception){
+            return false;
+        }
+
+        if(!key_exists('capital', $this->nation)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require capital in nation");
+        }
+
+        if(!key_exists('capital', $this->destNation)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require capital in destNation");
+        }
+
+        return true;
+    }
+
+    public function test():bool{
+        $this->checkInputValues();
+        $this->tested = true;
+
+        $srcCityID = $this->nation['capital'];
+        $srcNationID = $this->nation['nation'];
+
+        $destCityID = $this->destNation['capital'];
+        $destNationID = $this->destNation['nation'];
+        
+        $dist = \sammo\searchDistanceListToDest($srcCityID, $destCityID, [$srcNationID, $destNationID]);
+
+        if(!$dist){
+            $this->reason = "인접 국가가 아닙니다.";
+            return false;
+        }
+        
+        return false;
+    }
+}