출병 커맨드 구현

hwe/sammo/Constraint/BattleGroundCity.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace sammo\Constraint;
+use \sammo\DB;
+
+class BattleGroundCity extends Constraint{
+    const REQ_VALUES = Constraint::REQ_GENERAL|Constraint::REQ_DEST_CITY|Contraint::REQ_INT_ARG;
+
+    public function checkInputValues(bool $throwExeception=true){
+        if(!parent::checkInputValues($throwExeception) && !$throwException){
+            return false;
+        }
+
+        if(!key_exists('nation', $this->general)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require nation in general");
+        }
+
+        if(!key_exists('nation', $this->destCity)){
+            if(!$throwExeception){return false; }
+            throw new \InvalidArgumentException("require nation in dest city");
+        }
+
+        return true;
+    }
+
+    public function test():bool{
+        $this->checkInputValues();
+        $this->tested = true;
+
+        $nationID = $this->general['nation'];
+        $destNationID = $this->city['nation'];
+        if($destNationID == 0){
+            return true;
+        }
+
+        if($this->arg && $destNationID == $nationID){
+            return true;
+        }
+
+        $db = DB::db();
+        $diplomacy = $db->queryFirstField('SELECT state FROM diplomacy WHERE me = %i AND you = %i', $nationID, $destNationID);
+        if($diplomacy === 0){
+            return true;
+        }
+
+        $this->reason = "교전중인 국가의 도시가 아닙니다.";
+        return false;
+    }
+}