Laravel accessories

Delete operation
View:

<form action="{{ route('delete', $user->id) }}" method="POST">
    <input type="hidden" name="_method" value="DELETE">
    <input type="hidden" name="_token" value="{{ csrf_token() }}">
 <input type="submit" name="delete" value="Delete">
</form>
Controller:

public function destroy(Request $request, $id)
{
 $deleted = User::where('id', $id)->delete();
 if($deleted)
  return redirect()->route('user.index'])->with('message', 'User deleted successfully');
 return back()->withInput();
}

Update operation
View:

<form action="{{ route('update', $user->id) }}" method="POST">
    <input type="hidden" name="_method" value="PUT">
    <input type="hidden" name="_token" value="{{ csrf_token() }}">
 <input type="text" name="fname" value="{{ $user->fname }}">
 <input type="text" name="lname" value="{{ $user->lname }}">
 <input type="submit" name="delete" value="Delete">
</form>
Controller:

public function update(Request $request, $id)
{
 $data = User::where('id', $user->id)->update(['fname'=>$request->fname, 'lname'=>$request->lname]);
 if($data)
  return redirect()->route('user.show', $id])->with('message', 'User updated successfully');
 return back()->withInput();
}

Displaying session message:
View:

@if(session()->has('message'))
    <div class="alert alert-success">
        {{ session()->get('message') }}
    </div>
@endif
@if (count($errors) > 0)
            <div class="alert alert-danger">
                <strong>Whoops!</strong> There were some problems with your input.
                <ul>
                    @foreach ($errors->all() as $error)
                        <li>{{ $error }}</li>
                    @endforeach
                </ul>
            </div>
        @endif


Controller:

return redirect()->back()->with('message', 'IT WORKS!');
Named route generated links

If route is like: Route::delete('/test', 'TestController@destroy')->name('delete');
Now,

{{ route('delete', 1) }} //https://onbiponi.com/test?1
 {{ route('delete', ['parameter' => 1]) }} //https://onbiponi.com/test?parameter=1
If route is like: Route::delete('/test/{id}', 'TestController@destroy')->name('delete');
 {{ route('delete', 1) }} //https://onbiponi.com/test/1
 {{ route('delete', ['parameter' => 1]) }} //https://onbiponi.com/test/1

Route Caching
To generate a route cache, just execute the route:cache Artisan command:

php artisan route:cache
You may use the route:clear command to clear the route cache:

php artisan route:clear
You should always clear the route and then cache. To work on shared hosting, you have to know:
If you want to remove the routes cache on your server, remove this file:

bootstrap/cache/routes.php
And if you want to update it just run

php artisan route:cache

and upload the bootstrap/cache/routes.php to your server.

Laravel Flash
Controller:

$request->flash(); //flashes/saves data to session
 or,


$request->flashOnly(['username', 'email']); 
//flashes/saves except username and email
 or,


$request->flashExcept('password'); 
//flashes/saves except password
or,

return redirect('form')->withInput(); //Redirect with flash
To retrieve flashed input from the previous request, use the old method on the Request instance-

$request->old('username');
view:

{{ old('username') }}

Migration default current timestamp

$table->timestamp(’something_at')->default(DB::raw('CURRENT_TIMESTAMP'));

Delete operation
View:

<form action="{{ route('users.update', $user->id) }}" method="POST">
    <input type="hidden" name="_method" value="PUT">
    <input type="file" name="image">
    <input type="hidden" name="_token" value="{{ csrf_token() }}">
 <input type="submit" name="delete" value="Delete">
</form>
Controller:

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Http\Requests;
use App\Http\Controllers\Controller;

class UserController extends Controller {
   public function index() {
      return view('index');
   }
   public function upload(Request $request) {
      /* validation for image */
      /*
      $request->validate([
          'image' => 'required|image|mimes:jpeg,png,jpg,gif,svg|max:2048',
      ]);
      */
      $file = $request->file('image');
   
      //Display File Name
      echo 'File Name: '.$file->getClientOriginalName();
      echo '<br>';
   
      //Display File Extension
      echo 'File Extension: '.$file->getClientOriginalExtension();
      echo '<br>';
   
      //Display File Real Path
      echo 'File Real Path: '.$file->getRealPath();
      echo '<br>';
   
      //Display File Size
      echo 'File Size: '.$file->getSize();
      echo '<br>';
   
      //Display File Mime Type
      echo 'File Mime Type: '.$file->getMimeType();
   
      //Move Uploaded File
      $destinationPath = 'uploads';
      $file->move($destinationPath,$file->getClientOriginalName());
   }
}
Displaying Request errors
<div class="col-12">
    @if($errors->any())
        {!! implode('', $errors->all('<div class="alert alert-danger alert-dismissible text-center"><button type="button" class="close" data-dismiss="alert">&times;</button>:message</div>')) !!}
    @endif
</div>

Middleware using & meaning

Labels: Laravel, Web development