DakuTree / manga-tracker

	 * @param string $verificationCode

	 * @return mixed

	 */

	public function verification_check(string $verificationCode) {

		//user is trying to validate their email for signup, check if verification code is still valid/exists

		$query = $this->db->select('email, verification_code_time')

		                  ->from('auth_signup_verification')

		                  ->where(array('verification_code' => $verificationCode))

		                  ->get();

		$return = FALSE;

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

			$result = $query->row();

			if((time() - $result->verification_code_time) > 46400000) {

				//expired, past the 24hr mark

				//TODO: Remove from DB, send user error that verification expired.

			} else {

				//not expired, verification is valid, return email

				$return =  $result->email;

			}

		}

		return $return;

	}

	/**

	 * @param string $email

	 *

	 * @return mixed

	 */

	public function find_email_from_identity(string $identity) {

		//login allows using email or username, but ion_auth doesn't support this

		//check if identity is email, and if not, try and find it

		//returns: email or FALSE

		//CHECK: How should we handle invalid emails being passed to this?

		$email = $identity;

		if(!strpos($identity, '@')) {

			//identity does not contain @, assume username

			$this->load->database();

			$query = $this->db->select('email')

			                  ->from('auth_users')

			                  ->where('username', $identity)

			                  ->get();

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

				//username exists, grab email

				$email = $query->row('email');

			}else{

				//username doesn't exist, return FALSE

				$email = FALSE;

			}

		}

		return $email;

	}

	public function get_user_by_username(string $username) {

		$user = NULL;