1、列表增加直接修改库存；2、上下架按钮增加和修改库存增加供应商库存和产品状态的判断；

app/AdminAgent/Controllers/AgentProductController.php

@@ -4,7 +4,6 @@ namespace App\AdminAgent\Controllers;
 
 use App\AdminAgent\Renderable\SelectGuide;
 use App\AdminAgent\Renderable\SelectProduct;
-use App\AdminAgent\Renderable\SelectUser;
 use App\AdminAgent\Repositories\AgentProduct;
 use App\Common\AgentType;
 use App\Common\ProductStatus;
@@ -14,7 +13,6 @@ use App\Models\Channel;
 use App\Models\Guide;
 use App\Models\Product;
 use App\Models\Supplier;
-use App\Models\User;
 use Dcat\Admin\Admin;
 use Dcat\Admin\Form;
 use Dcat\Admin\Grid;
@@ -41,7 +39,7 @@ class AgentProductController extends AdminController
             $grid->column('price');
             $grid->column('original_price');
             $grid->column('sale');
-            $grid->column('stock');
+            $grid->column('stock')->editable();
 
 			$channels = Channel::where('agent_id', $agent_id)->pluck('name', 'id')->toArray();
 			$grid->column('channel_id', '频道')
@@ -238,13 +236,28 @@ class AgentProductController extends AdminController
 				return $form->response()->error('数据不存在');
 			}
 
-			if ($form->product_id === null && $form->product_ids === null) {
+			if ($form->isEditing() && $form->product_id === null && $form->product_ids === null) {
 				//推荐按钮开关
 				if ($form->is_rec !== null) {
 					$form->model()->is_rec = $form->is_rec ? 1 : 0;
 					$form->model()->save();
 					return $form->response()->success('更新成功！');
 				}
+
+				if ($form->stock !== null || $form->status !== null) {
+					$ids = explode(',', $form->model()->product_ids);
+					$count = Product::where([['status', '=', ProductStatus::ON_SALE], ['stock', '>=', $form->model()->stock]])
+						->whereIn('id', $ids)->count();
+					if (count($ids) != $count) {
+						return $form->response()->success('供应商产品已下架或库存不足！');
+					}
+
+					//修改库存
+					if ($form->stock !== null) {
+						$form->model()->stock = $form->stock;
+						$form->model()->save();
+						return $form->response()->success('更新成功！');
+					}
 					//上下架状态按钮开关
 					if ($form->status !== null) {
 						$form->model()->status = $form->status == 1 ? ProductStatus::ON_SALE : ProductStatus::SOLD_OUT;
@@ -252,6 +265,7 @@ class AgentProductController extends AdminController
 						return $form->response()->success('更新成功！');
 					}
 				}
+			}
 
 			if (is_null($form->type)) {
 				return $form->response()->error('请选择销售类型！');
@@ -269,7 +283,7 @@ class AgentProductController extends AdminController
 				if ($product->status != ProductStatus::ON_SALE) {
 					return $form->response()->error('产品ID '. $form->product_id .' 已下架');
 				} else if ($product->stock < $form->stock) {
-					return $form->response()->error('库存不足，你设置的库存应小于等于' . $form->stock);
+					return $form->response()->error("供应商当前库存为{$form->stock}，你设置的库存不能超过该数值");
 				}
 				$form->title = $product->title;
 				$form->pictures = $product->pictures;
@@ -305,7 +319,7 @@ class AgentProductController extends AdminController
 					->pluck('id')
 					->toArray();
 				if ($not_in_id) {
-					return $form->response()->error('产品ID ' . join('，', $not_in_id) . ' 库存小于你设置的库存' . $form->stock . '，或不存在、已下架');
+					return $form->response()->error('产品ID ' . join('，', $not_in_id) . ' 库存小于你设置的库存' . $form->stock . '，或不存在、已下架等');
 				}
 			} else {
 				return $form->response()->error('不存在此销售方式');