ABF Web Development Image Upload and Edit , Delete

 

 <?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Students;
use Image;
class StudentController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $students=Students::all();
            return view('Student.view',compact('students'));
    }

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

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
          $request->validate([
    'std_name' => 'required|max:255|min:3',
    'std_id' => 'required',
]);

          $std=new Students;

           if($request->hasfile('image'))
      {  
        $image=$request->file('image');

        $file_name=time().'.'.$image->getClientOriginalExtension();

        $image_resize = Image::make($image->getRealPath());              
        $image_resize->resize(300,300);

        $image_resize->save('images/'.$file_name);
            $std->image= $file_name;
      }

        $std->std_name=$request->std_name;
        $std->std_id=$request->std_id;
        $std->mobile=$request->mobile;
        $std->email=$request->email;
        $std->save();


       return back()->with('success','Data inserted successfully');
    }

    /**
     * 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)
    {
        $data=Students::find($id);
        return view('Student.edit',compact('data'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {


        $std =Students::find($id);

      if($request->hasfile('image'))
      {  
        $image=$request->file('image');
      
        $file_name=time().'.'.$image->getClientOriginalExtension();
        $old_file= $std ->image;

        $image_resize = Image::make($image->getRealPath());              
        $image_resize->resize(300,300);
          
          if( !empty($old_file)){
             $path=("images/$old_file");
          unlink($path);
          }
         
        $image_resize->save('images/'.$file_name);

         $std->image= $file_name;
        
      }

        $std->std_name=$request->std_name;
        $std->std_id=$request->std_id;
        $std->mobile=$request->mobile;
        $std->email=$request->email;
        $std->save();

           return back()->with('success','Data update successfully');


    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        $data=Students::find($id);
        $old_file=$data->image;

           if(!empty($old_file)){
             $path=("images/$old_file");
             unlink($path);
          }
        $data->delete();

        return back()->with('success','Data Deleted successfully');

    }
}