Question

I’ve had a few questions about this issue already but I keep end up not really making much progress. I’m trying to upload an image onto a page and have the filename appear in the database beside the users name but it keeps appearing a zero. Why would this be? The image field is a varchar so it will save the filename. But since I then want my getProfileImage function to display the image back to the screen, should it be a blob?

Here is my controller:

 function __construct()
  {
   // Call the parent construct
   parent::__construct();

   $this->load->model("profiles");
   $this->load->model("profileimages");
   $this->load->helper(array('form', 'url'));      

 } 



   function upload()
      {
    $config = array(

        'allowed_types' =>'gif|jpg|jpeg|png',
        'upload_path' =>'./web-project-jb/assets/puploads/',
         'max_size' => 10000,
         'max_width' => 1024,
        'max_height' => 768

);


$this->load->library('upload', $config);
$img = $this->session->userdata('img');
$username = $this->session->userdata('username');
//fail show upload form
if (! $this->upload->do_upload())
{

    $error = array('error'=>$this->upload->display_errors());

    $username = $this->session->userdata('username');


    $viewData['username'] = $username;
    $viewData['profileText'] = $this->profiles->getProfileText($username);

    $this->load->view('shared/header');
    $this->load->view('homeprofile/homeprofiletitle', $viewData);
    $this->load->view('shared/nav');
    $this->load->view('homeprofile/homeprofileview', $error, $viewData, array('error' => ' ' ));
    $this->load->view('shared/footer');

    //redirect('homeprofile/index');

}

else
{
    //successful upload so save to database, which it doesn't


    $file_data = $this->upload->data();


    $data['img'] = '/web-project-jb/assets/puploads/'.$file_data['file_name'];
    // you may want to delete the image from the server after saving it to db
    // check to make sure $data['full_path'] is a valid path
    // get upload_sucess.php from link above
    //$image = chunk_split( base64_encode( file_get_contents( $data['file_name'] ) ) );




    $this->username = $this->session->userdata('username');

    $this->profileimages->putProfileImage($username, $img);


    $data['profileimages'] = $this->profileimages->getProfileImage($username, $img);


    $viewData['username'] = $username;
    $viewData['profileText'] = $this->profiles->getProfileText($username);

    $username = $this->session->userdata('username');

    $this->load->view('shared/header');
    $this->load->view('homeprofile/homeprofiletitle', $viewData);
    $this->load->view('shared/nav');
    $this->load->view('homeprofile/homeprofileview', $data, $viewData);
    $this->load->view('shared/footer');


    //redirect('homeprofile/index');
}

  }



    function index()
     {

$username = $this->session->userdata('username');

$img = $this->session->userdata('img');

$data['profileimages'] = $this->profileimages->getProfileImage($username, $img);

$viewData['username'] = $username;
$viewData['profileText'] = $this->profiles->getProfileText($username);

$this->load->view('shared/header');
$this->load->view('homeprofile/homeprofiletitle', $viewData);
$this->load->view('shared/nav');
//$this->load->view('homeprofile/upload_form', $data);
$this->load->view('homeprofile/homeprofileview', $data, $viewData, array('error' => ' ' ) );
$this->load->view('shared/footer');
 }

}

My model:

var $proimage_path;


function ProfileImages()
{
    parent::__construct();

    $this->proimage_path = 'web-project-jb/assets/puploads';

}




function exists($username)
{
    $this->db->select('*')->from("profileimages")->where('user', $username);
    $query = $this->db->get();

    if ($query->num_rows() > 0)
    {

        return true;
        /*
         echo "user $user exists!";
        $row = $query->row();
        echo " and his profileimage is $row->profileimage";
        */
    }

    else

    {

        return false;
        //echo "no such user as $user!";
    }

}


function putProfileImage($username, $img)
{


    $record = array('user' => $username, 'profileimage' => $img);
    if ($this->exists($username))
    {
        $this->db->where('user', $username)->update('profileimages', $record);


    }
    else
    {
        $this->db->where('user', $username)->insert('profileimages', $record);

    }

}

function getProfileImage($img)
{

$this->db->select('*')->from('profileimages')->where('profileimage', $img);

$query = $this->db->get();
if ($query->num_rows() > 0){
    $row = $query->row();
    return $row->profileimage;
  }

  return $img;


 }
}

Answer 1

Can you please tell me why you reading the file name from session instead of using the uploaded image file name? assuming the user has no image and you set the session when user logs in, would not that be NUll??