code-igniter-v3-giggi: update release v1
diff --git a/application/controllers/Invite.php b/application/controllers/Invite.php
new file mode 100644
index 0000000..9c98621
--- /dev/null
+++ b/application/controllers/Invite.php
@@ -0,0 +1,95 @@
+<?php
+
+class Invite extends CI_Controller {
+    private function is_valid_file($rel_path = '/', $file_html = 'home.html')
+    {
+        $abs_path = APPPATH.$rel_path.$file_html;
+        if (file_exists($abs_path))
+            return true;
+
+        return false;
+    }
+
+    private function is_post_invalid()
+    {
+        return !$this->form_validation->run();
+    }
+    
+	public function view($file_name = 'invite')
+	{
+        $file_html = $file_name.'.html';
+        if ($this->is_valid_file('views/page/', $file_html))
+        {
+            /* Got to open a connection here as validation may require one */
+            if (!$this->load->database())
+                redirect(base_url('index.html'));
+
+            $this->load->helper(array('form', 'url'));
+            $this->load->library('form_validation');
+
+            $this->form_validation->set_rules('username', 'Username',
+                'required|min_length[5]|max_length[12]|is_unique[users.username]',
+                array(
+                    'required' => 'You must provide a %s',
+                    'min_length' => '%s must be more than 5 chars',
+                    'max_length' => '%s must be less than 12 chars',
+                    'is_unique' => 'This %s already exists'
+                )
+            );
+
+            $this->form_validation->set_rules('password', 'Password', 'required',
+                array('required' => 'You must provide a %s')
+            );
+
+            $this->form_validation->set_rules('passconf', 'Password Confirmation',
+                'required|matches[password]',
+                array(
+                    'required' => 'You must provide a %s',
+                    'matches' => 'Passowrd confirmation didn\'t match'
+                )
+            );
+
+            $this->form_validation->set_rules('email', 'Email', 'required',
+                array('required' => 'You must provide a %s')
+            );
+
+            if ($this->is_post_invalid())
+            {
+                /* Validation errors already set */
+            }
+            else
+            {
+                /* Add backticks on ientifiers */
+                $this->db->protect_identifiers('users', TRUE);
+
+                /* Always use query bindings as they are automatically escaped */
+                $stmt = "INSERT INTO users (username, email, password) VALUES (?, ?, ?)";
+                $data = $this->input->post(array('username', 'email'));
+                $password = $this->input->post('password');
+                $hash_password = password_hash($password, PASSWORD_DEFAULT);
+                $data['password'] = $hash_password;
+
+                if (!$this->db->query($stmt, $data))
+                {
+                    /* Debug:
+                     *
+                     * $error = $this->db->error();
+                     * var_dump($error);
+                     */
+                    $this->form_validation->set_message('submit_msg', 'Didn\'t work, :|');
+                }
+                else
+                { 
+                    $this->form_validation->set_string('Invite succesfully sent');
+                }
+            }
+
+            $this->db->close();
+            $this->load->view('page/'.$file_html);
+        }
+        else 
+        {
+            redirect(base_url('index.html'));
+        }
+	}
+}