refactor: banner新增相关分类数据字段

app/admin/controller/v1/BannerItem.php

@@ -3,8 +3,11 @@ declare (strict_types = 1);
 
 namespace app\admin\controller\v1;
 
+use app\admin\exception\InvalidOperateException;
 use app\admin\model\v1\SysBannerItemModel;
+use app\admin\model\v1\SysBannerProdCateMappingModel;
 use app\admin\validate\v1\SysBannerItemValidate;
+use think\facade\Log;
 
 /**
  * 横幅数据项控制器
@@ -67,7 +70,8 @@ class BannerItem
     {
         $id = request()->param('id');
 
-        $banner_item = SysBannerItemModel::withoutField([
+        $banner_item = SysBannerItemModel::with('prod_mapping.category')
+            ->withoutField([
                 'created_at',
                 'updated_at',
                 'deleted_at'
@@ -88,6 +92,7 @@ class BannerItem
     {
         $post = request()->post([
             'banner_id',
+            'rel_prod_cate_id',
             'title',
             'title_txt_color',
             'desc',
@@ -106,8 +111,29 @@ class BannerItem
             return error($validate->getError());
         }
 
+        SysBannerItemModel::startTrans();
+        try {
             $banner_item = SysBannerItemModel::create($post);
             if ($banner_item->isEmpty()) {
+                throw new InvalidOperateException('新增横幅失败');
+            }
+            if (!empty($post['rel_prod_cate_id'])) {
+                $mapping = SysBannerProdCateMappingModel::create([
+                    'banner_item_id'      => $banner_item->id,
+                    'product_category_id' => $post['rel_prod_cate_id']
+                ]);
+                if ($mapping->isEmpty()) {
+                    throw new InvalidOperateException('新增横幅与产品分类关联失败');
+                }
+            }
+
+            SysBannerItemModel::commit();
+        } catch (InvalidOperateException $e) {
+            SysBannerItemModel::rollback();
+            return error($e->getMessage());
+        } catch (\Throwable $th) {
+            SysBannerItemModel::rollback();
+            Log::error(sprintf('%s:%s %s', $th->getFile(), $th->getLine(), $th->getMessage()));
             return error('操作失败');
         }
 
@@ -120,6 +146,7 @@ class BannerItem
         $id  = request()->param('id');
         $put = request()->put([
             'banner_id',
+            'rel_prod_cate_id',
             'title',
             'title_txt_color',
             'desc',
@@ -138,17 +165,45 @@ class BannerItem
             return error($validate->getError());
         }
 
+        SysBannerItemModel::startTrans();
+        try {
             $banner_item = SysBannerItemModel::bypk($id)->find();
             if (empty($banner_item)) {
-            return error('请确认操作对象是否存在');
+                throw new InvalidOperateException('请确认操作对象是否存在');
             }
             if ($put['type'] == 'video') {
                 unset($put['link']);
                 unset($put['link_to']);
             }
             if (!$banner_item->save($put)) {
+                throw new InvalidOperateException('操作失败');
+            }
+
+            // 更新关联的产品分类
+            if (!empty($put['rel_prod_cate_id'])) {
+                $ok = SysBannerProdCateMappingModel::where('banner_item_id', '=', $id)->delete();
+                if (!$ok) {
+                    throw new InvalidOperateException('更新横幅与产品分类关联失败');
+                }
+                $mapping = SysBannerProdCateMappingModel::create([
+                    'banner_item_id'      => $id,
+                    'product_category_id' => $put['rel_prod_cate_id']
+                ]);
+                if ($mapping->isEmpty()) {
+                    throw new InvalidOperateException('更新横幅与产品分类关联失败');
+                }
+            }
+
+            SysBannerItemModel::commit();
+        } catch (InvalidOperateException $e) {
+            SysBannerItemModel::rollback();
+            return error($e->getMessage());
+        } catch (\Throwable $th) {
+            SysBannerItemModel::rollback();
+            Log::error(sprintf('%s:%s %s', $th->getFile(), $th->getLine(), $th->getMessage()));
             return error('操作失败');
         }
+        
         return success('操作成功');
     }
 

app/admin/model/v1/SysBannerItemModel.php

@@ -17,12 +17,34 @@ class SysBannerItemModel extends SysBannerItemBaseModel
     // 软删除字段
     protected $deleteTime = 'deleted_at';
 
+    // 绑定产品分类关联模型中字段到父模型
+    protected $append = ['rel_prod_cate_id', 'rel_prod_cate_name'];
+    // 要隐藏的字段或关联模型数据字段
+    protected $hidden = ['prod_mapping'];
+
     // 关联分类
     public function banner()
     {
         return $this->belongsTo(SysBannerModel::class, 'banner_id', 'id');
     }
 
+    // 关联相关产品分类中间表模型
+    public function prodMapping()
+    {
+        return $this->hasOne(SysBannerProdCateMappingModel::class, 'banner_item_id', 'id');
+    }
+
+    // 从产品分类关联模型中获取id字段
+    public function getRelProdCateIdAttr()
+    {
+        return $this->prodMapping?->category?->id;
+    }
+    // 从产品分类关联模型中获取name字段
+    public function getRelProdCateNameAttr()
+    {
+        return $this->prodMapping?->category?->name;
+    }
+
     // 按横幅标题搜索
     public function searchTitleAttr($query, $value, $data)
     {

app/admin/model/v1/SysBannerProdCateMappingModel.php

@@ -0,0 +1,19 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\admin\model\v1;
+
+use app\common\model\SysBannerProdCateMappingBaseModel;
+
+/**
+ * banner与产品分类关联表模型
+ * @mixin \think\Model
+ */
+class SysBannerProdCateMappingModel extends SysBannerProdCateMappingBaseModel
+{
+    // 关联产品分类
+    public function category()
+    {
+        return $this->belongsTo(ProductCategoryModel::class, 'product_category_id', 'id');
+    }
+}

app/common/model/SysBannerProdCateMappingBaseModel.php

@@ -0,0 +1,22 @@
+<?php
+declare (strict_types = 1);
+
+namespace app\common\model;
+
+use think\Model;
+
+/**
+ * banner与产品分类关联表模型
+ * @mixin \think\Model
+ */
+class SysBannerProdCateMappingBaseModel extends Model
+{
+    // 表名
+    protected $name = 'sys_banner_prod_cate_mapping';
+
+    // 字段信息
+    protected $schema = [
+        'banner_item_id'      => 'int',
+        'product_category_id' => 'int',
+    ];
+}

database/migrations/20250423032718_create_sys_banner_prod_cate_mapping.php

@@ -0,0 +1,37 @@
+<?php
+
+use think\migration\Migrator;
+
+class CreateSysBannerProdCateMapping extends Migrator
+{
+    /**
+     * Change Method.
+     *
+     * Write your reversible migrations using this method.
+     *
+     * More information on writing migrations is available here:
+     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
+     *
+     * The following commands can be used in this method and Phinx will
+     * automatically reverse them when rolling back:
+     *
+     *    createTable
+     *    renameTable
+     *    addColumn
+     *    renameColumn
+     *    addIndex
+     *    addForeignKey
+     *
+     * Remember to call "create()" or "update()" and NOT "save()" when working
+     * with the Table class.
+     */
+    public function change()
+    {
+        $table = $this->table('sys_banner_prod_cate_mapping', ['id' => false, 'engine' => 'InnoDB', 'comment' => 'banner与产品分类关联表']);
+        $table->addColumn('banner_item_id', 'integer', ['limit' => 11, 'null' => false, 'signed' => false, 'comment' => '横幅项id'])
+            ->addColumn('product_category_id', 'integer', ['limit' => 11, 'null' => false,'signed' => false, 'comment' => '产品分类id'])
+            ->addIndex(['banner_item_id'], ['unique' => false])
+            ->addIndex(['product_category_id'], ['unique' => false])
+            ->create();
+    }
+}