/**
  * Update the specified resource in storage.
  *
  * @param  \App\Http\Requests\DepartmentRequest $request
  * @param  \App\Department  $department
  * @return \Illuminate\Http\Response
  */
 public function update(Requests\DepartmentRequest $request, Department $department)
 {
     DB::transaction(function () use($department, $request) {
         $oldKeyword = $department->keyword;
         $data = ['keyword' => $request->get('keyword'), 'url' => $request->get('url'), 'theme_background_color' => $request->get('theme_background_color'), 'theme_color' => $request->get('theme_color'), 'sort' => $request->get('sort'), 'active' => $request->get('active')];
         if ($request->file('image')) {
             $data['image'] = $request->file('image')->getClientOriginalName();
             File::delete('images/' . $department->image);
             $request->file('image')->move('images/', $request->file('image')->getClientOriginalName());
         }
         $department->update($data);
         $department->langs()->delete();
         $this->addDepartmentLangs($request, $department);
         if ($department->keyword != $oldKeyword) {
             File::move('papers/' . $oldKeyword, 'papers/' . $department->keyword);
         }
         Cache::forget('departments');
     });
     return redirect(action('Admin\\DepartmentController@index'))->with('success', 'updated');
 }