增加库存字段及相关判断

app/AdminAgent/Controllers/AgentProductController.php

@@ -59,6 +59,7 @@ class AgentProductController extends AdminController
             $grid->column('price');
             $grid->column('original_price');
             $grid->column('sale');
+            $grid->column('stock');
 
 			$channels = Channel::where('agent_id', $agent_id)->pluck('name', 'id')->toArray();
 			$grid->column('channel_id', '频道')
@@ -115,6 +116,7 @@ class AgentProductController extends AdminController
             $show->field('price');
             $show->field('original_price');
             $show->field('sale');
+            $show->field('stock');
             $show->field('channel_id');
             $show->field('category_id');
             $show->field('status')->using(ProductStatus::array());
@@ -158,7 +160,7 @@ class AgentProductController extends AdminController
 			$form->display('id');
 			$form->hidden('product_id');
 			$form->selectTable('product_id', '封面产品')
-				->help('当多选产品时，产品列表显示的是该产品的标题和图片')
+				->help('产品列表显示的是该产品的标题和图片')
 				->title('选择产品')
 				->dialogWidth('80%;min-width:825px;')
 				->from(SelectProduct::make())
@@ -174,6 +176,7 @@ class AgentProductController extends AdminController
             $form->text('price')->required();
             $form->text('original_price')->required();
             $form->text('sale')->default(0);
+            $form->text('stock')->default(9999);
 
 			$options = Channel::selectOptions(fn($query) => $query->where('agent_id', $agent_id));
 			$form->multipleSelect('channel_id')->options(array_slice($options, 1));
@@ -214,7 +217,7 @@ class AgentProductController extends AdminController
 			$agent_id = Admin::user()->id;
 
         	//不允许编辑的字段
-			$form->ignore(['id', 'agent_id', 'created_at', 'updated_at', 'deleted_at']);
+			$form->ignore(['id', 'agent_id', 'status', 'created_at', 'updated_at', 'deleted_at']);
 
 			$product_ids = explode(',', $form->product_ids);
 			if (empty($product_ids)) {
@@ -224,11 +227,14 @@ class AgentProductController extends AdminController
 			//判断供应商产品是否存在或下架
 			$not_in_id = Product::query()
 				->whereIn('id', $product_ids)
-				->where('status', '<>', ProductStatus::ON_SALE)
+				->where(function ($query) use ($form) {
+					$query->where('status', '<>', ProductStatus::ON_SALE)
+						->orWhere('stock', '<', $form->stock);
+				})
 				->pluck('id')
 				->toArray();
 			if ($not_in_id) {
-				return $form->response()->error('产品ID'. join(',', $not_in_id) .'不存在或已下架，请重新选择');
+				return $form->response()->error('产品ID'. join(',', $not_in_id) .'不存在或已下架，或库存小于你设置的库存' . $form->stock);
 			}
 
 			//处理特殊字段

app/AdminAgent/Renderable/SelectProduct.php

@@ -32,6 +32,7 @@ class SelectProduct extends LazyRenderable
 			$grid->column('title');
 			$grid->column('picture')->image(60, 60);
 			$grid->column('sale');
+			$grid->column('stock');
 			$grid->column('updated_at');
 
 			$grid->paginate(15);

resources/lang/zh_CN/agent-product.php

@@ -10,6 +10,7 @@ return [
         'price' => '现价',
         'original_price' => '原价',
         'sale' => '销量',
+        'stock' => '库存',
         'channel_id' => '频道',
         'category_id' => '分类',
         'status' => '状态',