건국 조건 설정

hwe/sammo/Constraint/CheckNationNameDuplicate.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace sammo\Constraint;
+use \sammo\DB;
+
+class CheckNationNameDuplicate extends Constraint{
+    const REQ_VALUES = Constraint::REQ_NATION|Constraint::REQ_STRING_ARG;
+
+    protected $relYear;
+
+    public function checkInputValues(bool $throwExeception=true){
+        if(!parent::checkInputValues($throwExeception) && !$throwException){
+            return false;
+        }
+
+        if(!key_exists('nation', $this->nation)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require nation in nation");
+        }
+
+        return true;
+    }
+
+    public function test():bool{
+        $this->checkInputValues();
+        $this->tested = true;
+
+        $db = DB::db();
+
+        $exists = $db->queryFirstField('SELECT count(*) FROM nation WHERE name = %s AND nation != %i', $this->arg, $this->nation['nation']);
+
+        if($exists == 0){
+            return true;
+        }
+
+        $this->reason = '존재하는 국가명입니다.';
+        return false;
+    }
+}