增加下级数

app/Admin/Controllers/User/IndexController.php

@@ -32,6 +32,7 @@ class IndexController extends AdminController
     protected function grid()
     {
         $user = Auth::guard('admin')->user();
+
         $grid = new Grid(new User);
         $grid->model()->with(['parent']);
         $grid->actions(function ($actions) use ($user) {
@@ -55,6 +56,8 @@ class IndexController extends AdminController
 
         $grid->model()->orderBy('id', 'desc');
 
+        $grid->fixColumns(4, -1);
+
         $grid->quickSearch('username')->placeholder('登录账户');
 
         $grid->filter(function ($filter) {
@@ -95,9 +98,16 @@ class IndexController extends AdminController
             return $this->PaOutletId ?? '---';
         });
 
-        $grid->column('门店号')->display(function () {
+        $grid->column('门店号')
+             ->display(function () {
                  return $this->shop_id ?? '---';
-        })->help('银联pos机配置的门店号');
+             })
+             ->help('银联pos机配置的门店号');
+
+        $grid->column('下级网点数')
+             ->display(function () {
+                 return "<a href='/admin/users?server_id={$this->server_id}' style='font-size:16px'>{$this->children->count()}</a>";
+             });
 
         $grid->column('所属项目')->display(function () {
             return $this->type_text;

app/Models/User.php

@@ -5,6 +5,8 @@ namespace App\Models;
 use App\Models\Traits\HasAccount;
 use App\Models\Traits\HasArea;
 use DateTimeInterface;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Illuminate\Support\Facades\DB;
@@ -78,18 +80,18 @@ class User extends Authenticatable
         return $date->format($this->dateFormat ?: 'Y-m-d H:i:s');
     }
 
-    protected function getNicknameAttribute()
+    protected function getNicknameAttribute(): string
     {
         return $this->info ? $this->info->nickname : '';
     }
 
-    public function info()
+    public function info(): HasOne
     {
         return $this->hasOne(UserInfo::class);
     }
 
     //渠道商配置
-    public function code()
+    public function code(): HasMany
     {
         return $this->hasMany(UserCode::class);
     }
@@ -99,6 +101,11 @@ class User extends Authenticatable
         return $this->hasOne(User::class, 'id', 'parent_id');
     }
 
+    public function children(): hasMany
+    {
+        return $this->hasMany(User::class, 'parent_id');
+    }
+
     /**
      * Notes: 密码加密
      * @Author: <C.Jason>