/**
* Function called from ESPublic. This function is triggered everytime a user subscribes via email.
*
* @param String $email
* @param String $ip
*/
public function subscribe($email, $ip)
{
$options = get_option($this->pluginname . '_options');
$sanemail = sanitize_email($email);
//Check if email is already subscribed.
$subscriber = $this->getSubscriber($sanemail);
if (isset($subscriber)) {
//Email is already present.
//Check status of email
if ($subscriber->status == self::ES_STAT_SUB_CONF) {
//TODO
//Subscriber is present and confirmed
//Send info email and show success message
} elseif ($subscriber->status == self::ES_STAT_SUB_NOTCONF) {
//Subscriber is present and not confirmed
//Send re-confirmation email, update confirmations and show success message
//Get ID of added subscriber
$subscriberId = $this->getSubscriberId($sanemail);
//Regenerate hash
$hash = md5(uniqid(rand(), TRUE));
//Resend confirmation
$res = $this->emailVerification($sanemail, $hash, $subscriberId);
if (!$res) {
//Error sending confirmation email.
ice_log("error sending email");
return ESMessageCode::ES_ERROR_SYSTEM;
}
//Update confirmation
$res = $this->updateConfirmation($subscriberId, self::ES_STAT_CONF_SENT, $hash);
if (false == $res) {
//Error inserting into database
ice_log("error updating confirmation into database");
return ESMessageCode::ES_ERROR_SYSTEM;
}
//All okay. Return success
return ESMessageCode::ES_SUCCESS_SUB_ADDED;
} elseif ($subscriber->status == self::ES_STAT_UNSUB_CONF) {
//TODO
//Subscribed is present but unconfirmed
//Send re-confirmation email, update confirmations and show success message
} elseif ($subscriber->status == self::ES_STAT_UNSUB_NOTCONF) {
//TODO
//Subscriber is present, had unsubscribed but not confirmed unsubscribe
//Send re-confirmation email, update confirmations and show success message
} else {
//Invalid value. Log error and exit gracefully
}
} else {
//Subscriber is not present. Add subscriber, send confirmation email and return success message
$res = $this->addSubscriber($sanemail, $ip);
if (!$res) {
//Error inserting into database
ice_log("error inserting subscriber into database");
return ESMessageCode::ES_ERROR_SYSTEM;
}
//Get ID of added subscriber
$subscriberId = $this->getSubscriberId($sanemail);
//Generate hash
$hash = md5(uniqid(rand(), TRUE));
$res = $this->emailVerification($sanemail, $hash, $subscriberId);
if (!$res) {
//Error sending confirmation email.
ice_log("error inserting into database");
return ESMessageCode::ES_ERROR_SYSTEM;
}
//Add confirmation
$res = $this->addConfirmation($subscriberId, self::ES_STAT_CONF_SENT, $hash);
if (!$res) {
//Error inserting into database
ice_log("error inserting confirmation into database");
return ESMessageCode::ES_ERROR_SYSTEM;
}
//All okay. Return success
return ESMessageCode::ES_SUCCESS_SUB_ADDED;
}
}
public function subscribe()
{
$result = '';
if (!$_POST || !wp_verify_nonce($_POST[$this->pluginname . "_form_nonce"], $this->pluginname . "_form_submit")) {
$result = json_encode(array("status" => false, "type" => "request", "reason" => "Bad request"));
} else {
$email = $_POST['es-email'];
if (isset($email) && is_email($email)) {
// Register and reply with confirmation message
$ip = $_SERVER['REMOTE_ADDR'];
//Check IP to make sure it is valid and not spam
$saneip = filter_var($ip, FILTER_VALIDATE_IP);
if ($saneip) {
$res = $this->manager->subscribe($email, $saneip);
if ($res == ESMessageCode::ES_SUCCESS_SUB_ADDED) {
$result = json_encode(array("status" => true, "type" => "", "reason" => ""));
} else {
$result = json_encode(array("status" => false, "type" => "system", "reason" => "System error."));
}
} else {
ice_log("in subscribe - bad ip error");
$result = json_encode(array("status" => false, "type" => "ip", "reason" => "Invalid IP."));
}
} else {
// Reply with error
$result = json_encode(array("status" => false, "type" => "data", "reason" => "Invalid email."));
}
}
header("Content-Type: application/json");
echo $result;
die;
}
/**
* Register EasySubscribe widget.
*
* @since 0.1
* @access private
*/
public function registerESWidget()
{
ice_log("registering widget");
register_widget('ESWidget');
}
