refactor: 修改产品分类中tco分类绑定验证

app/admin/validate/v1/ProductCategoryValidate.php

@@ -23,7 +23,7 @@ class ProductCategoryValidate extends Validate
         'name'                 => 'require|max:64',
         'icon'                 => 'max:125',
         'desc'                 => 'max:255',
-        'related_tco_category' => 'string',
+        'related_tco_category' => 'string|checkRelatedTcoCategory',
         'sort'                 => 'integer',
         'level'                => 'integer',
         'is_show'              => 'in:0,1',
@@ -52,6 +52,7 @@ class ProductCategoryValidate extends Validate
         'icon.max'                                     => '图标最多不能超过125个字符',
         'desc.max'                                     => '描述最多不能超过255个字符',
         'related_tco_category.string'                  => '关联TCO分类格式错误',
+        'related_tco_category.checkRelatedTcoCategory' => '该TCO分类已绑定',
         'sort.integer'                                 => '排序格式错误',
         'level.integer'                                => '级别格式错误',
         'is_show.in'                                   => '是否显示格式错误',
@@ -84,4 +85,32 @@ class ProductCategoryValidate extends Validate
     {
         return $this->remove('id', 'require|integer')->remove('pid', 'different|checkPidNotBeChildren');
     }
+
+    // 验证related_tco_category
+    protected function checkRelatedTcoCategory($value, $rule, $data = [])
+    {
+        if (empty($value)) {
+            return true;
+        }
+
+        $val = ProductCategoryModel::where(function($query) use($value) {
+            $arr = explode(",", $value);
+            foreach ($arr as $v) {
+                $query->whereFindInSet('related_tco_category', $v, 'OR');
+            }
+        })->column('id');
+        if (!empty($val)) {
+            $size = count($val);
+            // 如果存在超过一个，直接验证失败
+            if ($size > 1) {
+                return false;
+            }
+            // 如果存在一个，并存在的id不为自身，验证失败（考虑更新场景查到自身情况）
+            if ($size == 1 && $val[0] != $data['id']) {
+                return false;
+            }
+        }
+
+        return true;
+    }
 }