How do I delete and update a photo in Laravel 4? - php

Question

In my application, a user can upload an image for their profile photo. How do I update a users photo and the delete the previously uploaded photo? This is what I have so far in the upload controller:
Photos Model
class Photos extends Eloquent {
protected $table = 'photos';
protected $fillable = array('user_id', 'location');
public function user (){
return $this->belongsTo('User');
}
}
user model
public function photos()
{
return $this->hasOne('photos');
}
Upload Controller
class UploadController extends \BaseController {
public function postUpload (){
$id = Auth::user()->id;
$input = Input::all();
$rules = array(
'photo' => 'required|image|max:500'
);
$validator = Validator::make($input, $rules);
if($validator->fails()){
return Redirect::to('user/profile/'.$id.'/edit')->withErrors($validator);
}
$extension = Input::file('photo')->getClientOriginalExtension();
$directory = public_path('/var/chroot/home/content/59/11581559/html/beta') . '/uploads/'.sha1($id);
$filename = sha1($id.time()).".{$extension}";
$upload_success = Input::file('photo')->move($directory, $filename);
Image::make(Input::file('photo')->getRealPath())->resize(300, 200)->save('foo.jpg');
if($upload_success){
$photo = new Photos(array(
'location' => URL::to('/uploads/'.sha1($id).'/'.$filename)
));
$photo->user_id = $id;
$photo->save();
Session::flash('success_photo', 'You have Successfully uploaded your profile photo!');
return Redirect::to('user/profile/'.$id.'/edit');
}
else{
Session::flash('status_error', 'An Error has occurred while uploading your photo. Please try again!');
}
return Redirect::to('user/profile/'.$id.'/edit');
}
}
View
<div class="col-lg-3">
<div class="panel panel-default">
<div class="panel-heading">
#if(Session::has('status_error'))
<div class="alert alert-error">
<a class="close" data-dismiss="alert" href="#" aria-hidden="true">×</a>
{{ implode('', $errors->all('<li class="error"><b>:status_error</b></li>')) }}
</div>
#endif
<span class="glyphicon glyphicon-exclamation-sign"></span> Upload a Photo
</div>
<div class="panel-body text-center">
#if($user->photos)
<img width="190" height="119" class="img-responsive img-thumbnail" src="{{$user->photos->location }}" alt="">
#endif
<div class="clearfix"></div>
<div class="btn-group mtop-20">
<button type="button" class="btn btn-primary" onclick="$('#upload_modal').modal({backdrop:'static'});">
<span class="glyphicon glyphicon-upload"></span>
</button>
</div>
</div>
<?php echo View::make('modals.photo-upload') ?>
</div><!-- end panel-default -->
</div><!-- col 3-->

Answer 1

Let's talk about what you're doing and work from there.
Uploading a Photo
- In your controller, you're uploading a photo.
- If the upload succeeds, you're storing the location of the photo on your server as well as the ID of the user to whom the photo belongs.
Updating a Photo
- In your controller, you're uploading a photo.
- If the upload succeeds, you're going to:
Get the location of the current file in the database.
$this->photo->where('user_id' , '=' , $the_user_id_in_question)
->get(array('location'));
Delete the file at that location using the delete() function in the FileSystem class (found here: https://github.com/laravel/framework/blob/master/src/Illuminate/Filesystem/Filesystem.php)
Update the user's photo location with the new one:
$this->photo->where('user_id' , '=' , $the_user_id_in_question)
->update('location' => $the_new_upload_location);
I hope that's what you're looking for. Cheers!