Question

I am using uri segment to delete info in my database:

anchor('site/delete_note/'.$row->id, 'Delete')

Model:

function delete_note()
{
    $this->db->where('id', $this->uri->segment(3));
    $this->db->delete('note');
}

It works fine, but I want to do the same for updating my info and can’t get it work
So this is link in view:

anchor('site/edit_note/'.$row->id, 'Edit')  

My controller:

function edit_note()
{
    $note_id = $this->uri->segment(3);
    $data['main_content'] = 'edit_note';
    $this->load->view('includes/template', $data);

    $this->load->library('form_validation');

    $this->form_validation->set_rules('content', 'Message', 'trim|required');


    if($this->form_validation->run() == TRUE)
    {
        $this->load->model('Note_model');
        $this->Note_model->edit_note($note_id);
        redirect('site/members_area'); 

    }

}

My model:

function edit_note($note_id)
{
    $content = $this->input->post('content');
    $data = array('content' => $content);
    $this->db->where('id', $note_id);
    $this->db->update('note', $data);
}

My view of edit_note:

<?php

    echo form_open('site/edit_note');
    echo form_textarea('content', set_value('content', 'Your message'));

    echo form_submit('submit', 'Change');
    echo anchor('site/members_area', 'Cancel');


    echo validation_errors('<p class="error">');        ?>

Edit doesn’t work as delete, when i am trying to get segment directly in edit model, as I used in delete model.

If I set $note_id to a number in my controller, instead of this ‘$this->uri->segment(3)’, it updates my database. But if I use getting segment it doesn’t work. I thought uri segments are available in controller as in model, but there is something I don’t know.

Answer 1

Better yet, instead of manually reading the IDs via the segments, you could change your functions to be:

function delete_note($note_id)

and

function edit_note($note_id)

And remove the $note_id = $this->uri->segment(3); lines.

And as silly as it’ll sound, the generated URL is definitely correct, right?

And last question, have you done anything with routes?

Edit

I’ve also noticed that in edit, you use this in your form:

echo form_open('site/edit_note');

So when the form submits, the URL it submits to is site/edit_note instead of site/edit_note/{SOME_ID}. So once you make your changes, and the form submits, there won’t be a 3rd URL segment!