备货单&审批流程

app/common/model/VehMoneyValue.php

@@ -37,13 +37,26 @@ class VehMoneyValue extends Model
     
     protected $dateFormat = 'U';
 
-    /**
-     * 允许自动填充模型字段
-     */
-    protected $fillable = ['id', 'currency', 'amount', 'exchange_rate', 'remark', 'created_at', 'updated_at'];
-
     /**
      * 不允许自动填充模型字段
      */
     protected $guarded = [];
+
+
+    protected $fillable = [
+        'object_scene','object_id','field','currency','amount','exchange_rate',
+        'remark','created_at','updated_at'
+    ];
+
+    protected $casts = [
+        'amount'        => 'string',
+        'exchange_rate' => 'string',
+    ];
+
+    /** 按本行汇率换到结算币；无汇率返回 null */
+    public function amountInSettlement(int $scale = 2): ?string
+    {
+        if ($this->exchange_rate === null) return null;
+        return (string) bcmul((string)$this->amount, (string)$this->exchange_rate, $scale);
+    }
 }