function delete()
{
$this->load->helper('file');
$this->load->model('content_types_model');
$this->load->model('content_types_admin_groups_model');
$this->load->model('entries_model');
if ($this->input->post('selected')) {
$selected = $this->input->post('selected');
} else {
$selected = (array) $this->uri->segment(5);
}
$Content_types = new Content_types_model();
$Content_types->where_in('id', $selected)->get();
if ($Content_types->exists()) {
$message = '';
$content_types_deleted = FALSE;
$this->load->model('content_fields_model');
foreach ($Content_types as $Content_type) {
if ($Content_type->required) {
$message .= '<p class="error">Content type ' . $Content_type->title . ' (' . $Content_type->short_name . ') is required by the system and cannot be deleted.</p>';
} else {
if ($Content_type->entries->limit(1)->get()->exists()) {
$message .= '<p class="error">Content type ' . $Content_type->title . ' (' . $Content_type->short_name . ') is associated to one or more entries and cannot be deleted.</p>';
} else {
// Delete content type fields and entries data coloumns
$Content_fields = new Content_fields_model();
$Content_fields->where('content_type_id', $Content_type->id)->get();
foreach ($Content_fields as $Content_field) {
$Content_fields->drop_entries_column();
$Content_fields->delete();
}
// Delete content type admin groups
$Content_types_admin_groups = new Content_types_admin_groups_model();
$Content_types_admin_groups->where('content_type_id', $Content_type->id)->get();
$Content_types_admin_groups->delete_all();
// Delete content type revisions
$Content_type->delete_revisions();
// Delete content type
$Content_type->delete();
$content_types_deleted = TRUE;
}
}
}
if ($content_types_deleted) {
// Clear cache
$this->load->library('cache');
$this->cache->delete_all('entries');
$message = '<p class="success">The selected items were successfully deleted.</p>' . $message;
}
$this->session->set_flashdata('message', $message);
}
redirect(ADMIN_PATH . '/content/types');
}
