<?php
#---------------------------------------------------------------------------#
# this Project Created by Mohammad Anzawi #
# #
# This project is intended for beginners and learners #
# The main objective of this project is to see the way do something similar,#
# such as sending messages via e-mail, files Read the content and create #
# templates or other #
# and saved on the server within a specific folder. #
# Can anyone who want to modify or development (add some functions, styles),#
# and use it in his dite, or commercially. #
# #
# so if you have any question -> ask me on m.anzawi2013@gmail.com #
# or visit my blog on http://www.phptricks.org #
#---------------------------------------------------------------------------#
/**
* Subscribe
*
* @package newsletter
* @author Mr Mohammad Anzawi
* @copyright 2015
* @version 1.0.0
* @access public
*/
class Subscribe
{
/**
*
* @var object $_db DB object
* @var array $_errors to save any error happened
*/
private
$_db,
$_errors = array();
/**
* __construct
* get $_db initial value
*/
public function __construct() {
$this->_db = DB::connect();
}
/**
* exist
* check if subscriber exist or not
* @param mixed $param
* @return boolean
*/
// use query function from DB class
private function exist($param = null) {
// check if $param is number then get subscriber by id
if(is_numeric($param)) {
$user = $this->_db->query("SELECT * FROM subscribers WHERE u_id = ?",
array($param))->results();
if(count($user)) {
return true;
}
// if enter this else then the $param is string so get user by email
} else {
$user = $this->_db->query("SELECT * FROM subscribers WHERE u_email = ?",
array($param))->results();
if(count($user)) {
return true;
}
}
return false;
}
/**
* Subscribe::add()
* function to add new subscriber
* @param array $data
* @return boolean
*/
protected function add($data = array()) {
// if data isset
if(count($data)) {
// if subscriber have this email is not exist add new subscriber
if(!$this->exist($data['u_email'])) {
if($this->_db->insert('subscribers', $data)) {
return true;
} else {
// if unable to insert new record add this error
$this->_errors[] = "Unknow Error";
return false;
}
}
// if user exist add this error
$this->_errors[] = "this Subscriber alredy exist";
}
return false;
}
/**
* Subscribe::delete()
* delete subscriber
* @param integer $id
* @return boolean
*/
// use delete method from DB class
public function delete($id = 0) {
// check if subscriber not exist add error and return false
if($this->exist($id)) {
// if $id is number
if(is_numeric($id)) {
// delete subscriber
if($this->_db->delete('subscribers', array('u_id', '=', $id))) {
return true;
}
}
// if unable to delete record add this error
$this->_errors[] = "Unknow Error";
return false;
}
$this->_errors[] = "this Subscriber is not exist ";
return false;
}
/**
* Subscribe::update()
* update subscriber
* use like this :
* $subscriber->update(
* array(
* 'u_id'=>$user_id, ## u_id required
* ....
* )
* );
* @param array $data
* @return boolean
*/
// use update method from DB class
public function update($data = array()) {
if(count($data)) {
// if subscriber not exist add error and return false
if(!$this->exist($data['u_id'])) {
$this->_errors[] = "this Subscriber is not exist";
return false;
}
// update subscriber
if($this->_db->update('subscribers', $data,
array('u_id', '=', $data['u_id']))) {
return true;
}
}
// if cant update record add this error
$this->_errors[] = "Unknow Error";
return false;
}
/**
* un subscribe users
* @param integer $id
* @return boolean
*/
public function unSubscribe($id = 0) {
// if not isset $id or is not number return false
if($id && is_numeric($id) && $this->exist($is)) {
// update active colomn to 0 for subscriber
// you can delete it or save it in other table
if($this->_db->update('subscribers', array('active' => '0'),
array('u_id', '=', $id))) {
return true;
}
}
return false;
}
/**
* return errors
* @return array
*/
public function errors() {
return $this->_errors;
}
public function getAllSubscribers($where = '') {
return $this->_db->query("SELECT * FROM subscribers {$where}")->results();
}
}
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