집합, 귀환 추가

hwe/sammo/Constraint/ReqTroopMembers.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace sammo\Constraint;
+use sammo\DB;
+
+class ReqTroopMembers extends Constraint{
+    const REQ_VALUES = Constraint::REQ_GENERAL;
+
+    public function checkInputValues(bool $throwExeception=true){
+        if(!parent::checkInputValues($throwExeception) && !$throwException){
+            return false;
+        }
+
+        if(!key_exists('troop', $this->general)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require troop in general");
+        }
+
+        return true;
+    }
+
+    public function test():bool{
+        $this->checkInputValues();
+        $this->tested = true;
+
+        $db = DB::db();
+        //NOTE:이 경우에 DB를 사용하지 않을 수 있는가?
+        $troopMember = $db->queryFirstField('SELECT no FROM troop WHERE troop = %i AND no != %i LIMIT 1', $this->general['troop'], $this->general['no']);
+
+        if($troopMember !== null){
+            return true;
+        }
+
+        $this->reason = "집합 가능한 부대원이 없습니다.";
+        return false;
+    }
+}