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Filename : GroupController.php
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<?php

namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\User;
use App\Models\Group;
use Auth;
use Hash;
use Session;
use DB;
use Socialite;
use Image;
Use Response;
use Helpers;
//use Illuminate\Foundation\Auth\AuthenticatesUsers;
//use Mail;


class GroupController extends Controller
{
    public function index()
    {
        $groups = Group::all();
        return view('Admin.Group.index',compact('groups'));
    }

    public function group_list(Request $request)
    {
        $columns = array("full_name","group_name","group_image","group_id");
        $columns2 =array("users.full_name","groups.group_name","groups.group_image","groups.group_id");
     

        $totalData = Group::count();
        $limit = $request->input('length');
        $start = $request->input('start');
        
        $dir   = $request->input('order.0.dir');
            
        $query = Group::select($columns2)->join('users','users.user_id','=','groups.owner_user_id');
       
        $groups = $query->get();
        $totalFiltered = $groups->count();

        $groups = $query->offset($start);
        $groups = $query->limit($limit);
        if(isset($columns2[$request->input('order.0.column')])){
            $order = $columns[$request->input('order.0.column')];
            $groups = $query->orderBy($order,$dir);
        }
        if(isset($request->sort_by) && $request->sort_by == 1)
            $groups = $query->orderBy('groups.created_at', 'asc');
        else
            $groups = $query->orderBy('groups.created_at', 'desc');
        
        $groups = $query->get();

        //$totalFiltered = $query->count();

        $data = array();
        if(!empty($groups)) {
            foreach ($groups as $key => $group) {
                $edit   = route('groups.edit',$group->group_id);
                $delete = route('groups.destroy', $group->group_id);

                foreach ($columns as $key => $column) {
                    
                    if ($column == 'group_id') {
                        $nestedData[$column] = "<form action='{$delete}' method='POST' 
                                                    id='groupTable-".$group->$column."'>
                                                    <input name='_method' type='hidden' value='DELETE'>
                                                    <a href='{$edit}' title='EDIT' class='mb-6 btn-floating waves-effect waves-light gradient-45deg-green-teal gradient-shadow'>
                                                    ".csrf_field()."
                                                    <i class='material-icons'>edit</i></a>
                                                    <button type='button' title='DELETE' class='mb-6 btn-floating waves-effect waves-light gradient-45deg-purple-deep-orange gradient-shadow' onclick='delete_group(".$group->$column.");'>
                                                        <i class='material-icons'>clear</i>
                                                    </button>
                                                </form>";   
                    }
                   
                    else if($column == 'created_at') {
                         $nestedData[$column] = date('j M Y h:i a',strtotime($group->$column));
                    }else if($column == 'group_image') {
                        $nestedData[$column] = '<img src="'.asset($group->group_image).'" width="45px"/>';
                    }
                    else {
                        $nestedData[$column] = $group->$column;
                    }
                }
                $data[] = $nestedData;
            }
        }
        //echo count($data);exit;
          
        $json_data = array(
                    "draw"            => intval($request->input('draw')),  
                    "recordsTotal"    => intval($totalData),  
                    "recordsFiltered" => intval($totalFiltered), 
                    "data"            => $data   
                    );
        // echo '<pre>';print_r($json_data);die;    
        echo json_encode($json_data);
    }
    
    public function create()
    {
        $users = User::get();
        $groups = Group::get();
        return view('Admin.Group.create',compact('groups','users'));
    }

    public function store(Request $request)
    {
        $validate = $request->validate([
            'owner_user_id' => 'required',
            'group_name' => 'required',
            'group_img' => 'required',
        ]);

        if($request->hasFile('group_img'))
        {
            $file = $request->file('group_img');          
            $imageName = rand().time().'.'.$file->getClientOriginalExtension();           
            // Save thumbnail image
            $img = Image::make($file->getRealPath());           
            $img->resize(100, 100, function ($constraint) {
            $constraint->aspectRatio();
            })->save(public_path('group_images/thumb/').$imageName);
            // Save original size image
            $file->move(public_path('group_images'), $imageName);     
            $request['group_image'] = $imageName;
        }

        Group::create($request->all());

        return redirect()->route('groups.index')->with('success','Record Successfully Inserted.');
    }

    public function edit($id)
    {
        $users = User::get();
        $groups = Group::select('*','group_image as group_images')->where('groups.group_id',$id)->first();
        
        return view('Admin.Group.edit',compact('groups','users'));
    }
    
    public function update(Request $request,$id)
    {   
        $validate = $request->validate([
            'owner_user_id' => 'required',
            'group_name' => 'required',
        ]); 

        $groups = Group::find($id);   

        if($request->hasFile('group_img'))
        {
            $file = $request->file('group_img');          
            $imageName = rand().time().'.'.$file->getClientOriginalExtension();           
            // Save thumbnail image
            $img = Image::make($file->getRealPath());           
            $img->resize(100, 100, function ($constraint) {
            $constraint->aspectRatio();
            })->save(public_path('group_images/thumb/').$imageName);
            // Save original size image
            $file->move(public_path('group_images'), $imageName);     
            $request['group_image'] = $imageName;
        }

        $groups->update($request->all());

        return redirect()->route('groups.index')->with('success','Record Updated Successfully.');
    }

    public function destroy($id)
    {
        $data = Group::find($id)->delete();
       
        return redirect()->route('groups.index')->with('success','Record Deleted Successfully');
    }
}