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Filename : UsergroupController.php
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<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Validator;
use App\User_group;

class UsergroupController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $us = User_group::orderBy('id', 'desc')->get();
        return view('admin.user_group',['us'=>$us]);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $validator = $this->cus_val($request->all());
        if($validator[0]){
            return redirect()->back()
            ->withErrors($validator[1])
            ->withInput();
        } else {
            $id = $this->user_group($request->all());
            if(is_numeric($id)){
                \Session::flash('message_success', 'User Group Created successfully');
                return redirect()->back();
            } else {
                \Session::flash('message_delete', 'Something went wrong!');
                return redirect()->back();
            }

        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        $validator = $this->cus_val($request->all());
        if($validator[0]){
            return redirect()->back()
            ->withErrors($validator[1])
            ->withInput();
        } else {
            $id = $this->user_group($request->all(), $id);
            if(is_numeric($id)){
                \Session::flash('message_success', 'User Group Updated successfully');
                return redirect()->back();
            } else {
                \Session::flash('message_delete', 'Something went wrong!');
                return redirect()->back();
            }

        }
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        $us = User_group::where('id', '=', $id)->exists();
       if($us){
            User_group::destroy($id);
            \Session::flash('message_delete', 'User Group Deleted Successfully');
            return redirect()->back();
        } else {
            \Session::flash('message_delete', 'User Group doesn\'t found');
            return redirect()->back();
        }
    }

    private function cus_val($id){
        $validator = Validator::make($id, array(
            'name' => 'required|min:3|max:20',
            'desc' => 'required|min:5',
            ));
        $validator->setAttributeNames(array(
            'name' => 'Group Name',
            'desc' => 'Group Description',
            ));
        $result = [$validator->fails(), $validator];
        return $result;

    }

    private function user_group($input, $id=0){
            $id !=0? $dm = User_group::findOrFail($id):$dm = new User_group;
            $dm->group_name = $input['name'];
            $dm->description = $input['desc'];
            $dm->save();
            return $dm->id;
    }

}