update: coupon generate

app/Http/Controllers/Admin/CouponController.php

@@ -3,22 +3,34 @@
 namespace App\Http\Controllers\Admin;
 
 use App\Http\Requests\Admin\CouponSave;
+use App\Http\Requests\Admin\CouponGenerate;
+use App\Models\Plan;
+use App\Models\User;
 use Illuminate\Http\Request;
 use App\Http\Controllers\Controller;
 use App\Models\Coupon;
 use App\Utils\Helper;
+use Illuminate\Support\Facades\DB;
 
 class CouponController extends Controller
 {
     public function fetch(Request $request)
     {
-        $coupon = Coupon::orderBy('created_at', 'desc');
-        $coupons = $coupon->get();
+        $current = $request->input('current') ? $request->input('current') : 1;
+        $pageSize = $request->input('pageSize') >= 10 ? $request->input('pageSize') : 10;
+        $sortType = in_array($request->input('sort_type'), ['ASC', 'DESC']) ? $request->input('sort_type') : 'DESC';
+        $sort = $request->input('sort') ? $request->input('sort') : 'created_at';
+        $builder = Coupon::orderBy($sort, $sortType);
+        $total = $builder->count();
+        $coupons = $builder->forPage($current, $pageSize)
+            ->get();
+
         foreach ($coupons as $k => $v) {
             if ($coupons[$k]['limit_plan_ids']) $coupons[$k]['limit_plan_ids'] = json_decode($coupons[$k]['limit_plan_ids']);
         }
         return response([
-            'data' => $coupons
+            'data' => $coupons,
+            'total' => $total
         ]);
     }
 
@@ -48,6 +60,66 @@ class CouponController extends Controller
         ]);
     }
 
+    public function generate(CouponGenerate $request)
+    {
+        if ($request->input('generate_count')) {
+            $this->multiGenerate($request);
+            return;
+        }
+
+        $params = $request->validated();
+        if (isset($params['limit_plan_ids'])) {
+            $params['limit_plan_ids'] = json_encode($params['limit_plan_ids']);
+        }
+        if (!$request->input('id')) {
+            if (!isset($params['code'])) {
+                $params['code'] = Helper::randomChar(8);
+            }
+            if (!Coupon::create($params)) {
+                abort(500, '创建失败');
+            }
+        } else {
+            try {
+                Coupon::find($request->input('id'))->update($params);
+            } catch (\Exception $e) {
+                abort(500, '保存失败');
+            }
+        }
+
+        return response([
+            'data' => true
+        ]);
+    }
+
+    private function multiGenerate(CouponGenerate $request)
+    {
+        $coupons = [];
+        for ($i = 0;$i < $request->input('generate_count');$i++) {
+            $coupon = $request->validated();
+            $coupon['limit_plan_ids'] = json_encode($coupon['limit_plan_ids']);
+            $coupon['code'] = Helper::randomChar(8);
+            $coupon['created_at'] = $coupon['updated_at'] = time();
+            unset($coupon['generate_count']);
+            array_push($coupons, $coupon);
+        }
+        DB::beginTransaction();
+        if (!Coupon::insert($coupons)) {
+            DB::rollBack();
+            abort(500, '生成失败');
+        }
+        DB::commit();
+        $data = "名称,类型,金额或比例,开始时间,结束时间,可用次数,可用于订阅,券码,生成时间\r\n";
+        foreach($coupons as $coupon) {
+            $type = ['金额', '比例'][$coupon['type']];
+            $startTime = date('Y-m-d H:i:s', $coupon['started_at']);
+            $endTime = date('Y-m-d H:i:s', $coupon['ended_at']);
+            $limitUse = $coupon['limit_use'] ?? '不限制';
+            $createTime = date('Y-m-d H:i:s', $coupon['created_at']);
+            $data .= "{$coupon['name']},{$type},{$coupon['value']},{$startTime},{$endTime},{$limitUse},{$coupon['limit_plan_ids']},{$coupon['code']},{$createTime}\r\n";
+        }
+        echo $data;
+    }
+
     public function drop(Request $request)
     {
         if (empty($request->input('id'))) {