/application/main.php

<?php

class Main extends Controller {

	function Main()
	{
		parent::Controller();
                $this->load->library('session');
                $this->load->model('directory_model');
                $this->load->helper(array('form', 'url'));
                $this->load->library('form_validation');

	}
        
	function index()
	{
                $this->load->model('directory_model');

                // get all faculty data to display
                $data = array();
                $data['directory'] = $this->directory_model->get_faculty();

                // get unique user names
                $users = $this->directory_model->get_users();

                // extract user names into numbered array
                $user = array();
                $i = 0;
                foreach ($users as $un){

                    foreach ($un as $key => $val){
                    $user[$i] = $val;

                    $i = $i + 1;
                    }
                }


                $data['users'] = $user;

                // load main directory page
                $this->load->view('header');
                $this->load->view('directory', $data);
                $this->load->view('footer');

	}

        function profile($id)
        {

                // get all data to be displayed on profile page
                $data = array();
                $data['profile'] = $this->directory_model->get_profile($id);

                // load main profile page
                $this->load->view('header');
                $this->load->view('profile', $data);
                $this->load->view('footer');
        }

        function login()
	{


        // run if login data has been submitted
        if (isset($_POST['un']) && isset($_POST['pw']))
        {
                // validate password
                $this->form_validation->set_rules('un', 'Username', 'strip_tags|required|max_length[25]|min_length[2]|alpha_dash');
                $this->form_validation->set_rules('pw', 'The Password', 'strip_tags|required|max_length[100]|min_length[2]');

                if ($this->form_validation->run() === TRUE)
                {
                        // check login against database
                        $result = $this->directory_model->check_login($_POST['un'], $_POST['pw']);


                        if ($result === TRUE)
                        {
                            // set session data
                            $this->session->set_userdata('loggedIn', TRUE);
                            $this->session->set_userdata('user', $_POST['un']);

                            // if this is users first login, make them change password and username
                            if ($_POST['un'] === $_POST['pw'])
                                $this->update_password();

                            // if not first login load user's profile
                            else
                                $this->profile($_POST['un']);
                        }

                        // if incorrect login, reload website
                        else
                        {
                           $this->load->view('header');
                           $this->load->view('login_fail');
                           $this->load->view('login');
                           $this->load->view('footer');
                        }

                }

                // if form doesn't validate, display error messages
                else
                {
                    $this->load->view('header');
                    $this->load->view('login');
                    $this->load->view('footer');
                }

            }

            // if form has not been submitted, load main login page
            else
            {
               $this->load->view('header');
               $this->load->view('login');
               $this->load->view('footer');
            }

        }

        function logout()
        {
            // kill all user data and session, then load main directory page
            $this->session->unset_userdata('loggedIn');
            $this->session->unset_userdata('user');
            $this->session->sess_destroy();
            $this->index();
        }
        function register()
        {
            // run if form has been submitted
            if (isset($_POST['fname']) && isset($_POST['lname']))
		{
                    // validation rules. makes sure good values are submitted
                    $this->form_validation->set_rules('fname', 'First name', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('lname', 'Last name', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('title', 'Title', 'strip_tags|trim|required|max_length[100]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('phone', 'Phone Number', 'strip_tags|trim|required|max_length[15]|min_length[10]|xxs_clean');
                    $this->form_validation->set_rules('email', 'Email', 'strip_tags|callback_good_email|required|max_length[50]|min_length[2]|valid_email');
                    $this->form_validation->set_rules('location', 'Location', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('department', 'Department', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('bio', 'Biography', 'strip_tags|trim|max_length[1000]|xxs_clean');
                    $this->form_validation->set_rules('cv', 'CV', 'strip_tags|trim|max_length[100]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('homepage', 'Home Page', 'strip_tags|trim|max_length[100]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('username', 'Username', 'strip_tags|callback_username_unique|trim|max_length[50]|min_length[2]|xxs_clean');
                    $this->form_validation->set_rules('pw1', 'Password', 'strip_tags|required|max_length[50]|min_length[2]|matches[pw2]');
                    $this->form_validation->set_rules('pw2', 'Confirm Password', 'strip_tags|required|max_length[50]|min_length[2]');


                        // if form passes validation
                        if ($this->form_validation->run() === TRUE)
                        {

                            // extracts post info into array for simple insertion to database
                            $memberInfo =  array(

                                "fname" => $_POST['fname'],
                                "lname" => $_POST['lname'],
                                "title" => $_POST['title'],
                                "phone" => $_POST['phone'],
                                "email" => $_POST['email'],
                                "location" => $_POST['location'],
                                "department" => $_POST['department'],
                                "bio" => $_POST['bio'],
                                "homepage" => $_POST['homepage'],
                                "cv" => $_POST['cv'],
                                "user" => $_POST['username'],
                                "password" => md5($_POST['pw1']));

                            // attempt to insert values into database
                            $result = $this->directory_model->register_new($memberInfo);

                            // if insert is succesful, log user in and load profile
                            if ($result === TRUE)
                                {
                                $this->session->set_userdata('user', $_POST['username']);
                                $this->session->set_userdata('loggedIn', TRUE);

                                $this->profile($_POST['username']);
                                }

                            // if there is a problem inserting load main directory page again
                            else
                                $this->index ();
                           
                            }

                        // if the form does not validate, reload with validation errors
                        else
                        {
                            $this->load->view('header');
                            $this->load->view('register');
                            $this->load->view('footer');
                        }



                    // end of post if
                    }
                    
                    
                
                // if no form has been submitted, load form
                else
                {
                    $this->load->view('header');
                    $this->load->view('register');
                    $this->load->view('footer');
                }
        
        }

        function update_password ()
        {
            // if there is no user logged in, load main directory page
            if (($this->session->userdata('loggedIn') != TRUE))
                    $this->index ();
            else{


                // if there has been attempt to change password
                if (isset($_POST['pw']) && isset($_POST['pw2']))
                    {
                        // validate password
                        $this->form_validation->set_rules('pw', 'Password', 'strip_tags|required|max_length[50]|min_length[2]|matches[pw2]');
                        $this->form_validation->set_rules('pw2', 'Confirm Password', 'strip_tags|required|max_length[50]|min_length[2]');


                            if ($this->form_validation->run() === TRUE)
                            {
                                // encrypt password and send to database
                                $pw = md5($_POST['pw']);
                                $result = $this->directory_model->update_password($this->session->userdata('user'), $pw);

                                // if password update is succesful, load user's profile
                                if ($result === TRUE)
                                    $this->profile($this->session->userdata('user'));
                                
                                // if there is a problem updating password load main directory page
                                else
                                    $this->index();

                            }

                            // if form doesn't validate, reload form with validation errors
                            else
                            {
                                $this->load->view('header');
                                $this->load->view('update_password');
                                $this->load->view('footer');
                            }

                    }
                    
                    
                // if the form hasn't been submitted, load form
                else
                    {
                        $this->load->view('header');
                        $this->load->view('update_password');
                        $this->load->view('footer');

                    }
                }
            }

        function update_profile ()
        {
            
            // if there is no user logged in, load main directory page
            if (($this->session->userdata('loggedIn') != TRUE))
                    $this->index ();
            else{


                // if form data has been submitted
                if (isset($_POST['fname']) && isset($_POST['lname']))
                    {

                        // validate form info
                        $this->form_validation->set_rules('fname', 'First name', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean');
                        $this->form_validation->set_rules('lname', 'Last name', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean|');
                        $this->form_validation->set_rules('title', 'Title', 'strip_tags|trim|required|max_length[100]|min_length[2]|xxs_clean');
                        $this->form_validation->set_rules('phone', 'Phone Number', 'strip_tags|trim|required|max_length[15]|min_length[10]|xxs_clean');
                        $this->form_validation->set_rules('email', 'Email', 'strip_tags|required|max_length[100]|min_length[2]|valid_email');
                        $this->form_validation->set_rules('location', 'Location', 'strip_tags|trim|required|max_length[25]|min_length[2]|xxs_clean');
                        $this->form_validation->set_rules('department', 'Department', 'strip_tags|trim|required|max_length[100]|min_length[2]|xxs_clean');
                        $this->form_validation->set_rules('bio', 'Biography', 'strip_tags|trim|max_length[1000]|xxs_clean');
                        $this->form_validation->set_rules('cv', 'CV', 'strip_tags|trim|max_length[75]|min_length[2]|xxs_clean');
                        $this->form_validation->set_rules('homepage', 'Home Page', 'strip_tags|trim|max_length[75]|min_length[2]|xxs_clean');


                            if ($this->form_validation->run() === TRUE)
                            {
                                // send data to database if validation is succesful
                                $result = $this->directory_model->update_profile($_POST);

                                // if query is succesful load user's profile
                                if ($result === TRUE)
                                    $this->profile($_POST['user']);

                                // if there is a database problem load main directory page
                                else
                                    $this->index();

                            }

                            // if validation is not successful reload form with validation errors

                            else
                            {
                                // convert post data to array to refill form values
                                // the profile index name cannot change (matches same name when data is gotten from database
                                $data = array();
                                $profile = $_POST;
                                $data['profile'] = $profile;

                                $this->load->view('header');
                                $this->load->view('update_profile', $data);
                                $this->load->view('footer');
                            }



                    }

                // this will be ran if the form has not been submitted
                else
                    {
                     // get profile data and convert to array (loads here to be in scope throughout function)
                        $rawProfile = $this->directory_model->get_profile($this->session->userdata('user'));
                                $profile = array();

                                foreach ($rawProfile as $rp)
                                    {

                                        foreach ($rp as $key => $val)
                                        {
                                            $profile[$key] = $val;
                                        }
                                    }

                        $data['profile'] = $profile;

                        // load form with database info as form values
                        $this->load->view('header');
                        $this->load->view('update_profile', $data);
                        $this->load->view('footer');

                    }
            }

            }


        /**
         *
         * Checks to see if the string passed to it is a unique value in the
         * database. If it is unique it returns true, otherwise it will
         * set the form_validation error message and return false
         *
         * @param string $username
         * @return bool
         */
        function username_unique($username)
        {

            $users = $this->directory_model->get_users();

            // Is there a row with this email?
            foreach ($users as $user)
                {
                    foreach ($user as $key => $value)
                        {

                        // if this username exists return false and set error message
                        if ($username === $value)
                            {
                            $this->form_validation->set_message('username_unique', 'That User Name is already used.');
                            return FALSE;
                            }

                        }
                }


                // usename is unique, don't return an error.
                return TRUE;

            }

        /**
         * Checks that email address ends in @cci.fsu.edu. If it does it will
         * return true, if not it will set form_validation error message and return
         * false.
         *
         * @param string $email
         * @return bool
         */
        function good_email($email)
        {
            // if email does not end in @cci.fsu.edu set error and return false
            if (substr($email, -12, 12) !== "@cci.fsu.edu")
            {
                $this->form_validation->set_message('good_email', 'You must use a valid @cci.fsu.edu email address.');
                    return FALSE;
            }
            else
                return TRUE;

        }


}



/* End of file welcome.php */
/* Location: ./system/application/controllers/welcome.php */