Current File : /var/www/pn/beta/64801_wp-content/plugins/wysija-newsletters/models/queue.php
<?php
defined('WYSIJA') or die('Restricted access');
class WYSIJA_model_queue extends WYSIJA_model{
var $pk=array('email_id','user_id');
var $table_name='queue';
var $columns=array(
'email_id'=>array('type'=>'integer'),
'user_id'=>array('type'=>'integer'),
'send_at' => array('req'=>true,'type'=>'integer'),
'priority' => array('type'=>'integer'),
'number_try' => array('type'=>'integer')
);
function __construct(){
parent::__construct();
}
/**
* used to put emails in the queue when starting to send or adding user to a follow_up email
* @param array $email
* @return boolean
*/
function queue_email($email){
// make sure that the email array has at least those 3 important parameters set
if(!isset($email['email_id']) || !isset($email['type']) || !isset($email['params'])) {
$this->error('Missing data to queue email');
return false;
}
$follow_up = $emails_need_to_be_queued = false;
// we cannot queue all kinds of emails make sure this email can be queued
if((int)$email['type'] === 2){
// if we are in a subscriber follow-up case then we can queue emails of the list
// only if it's the first time that we hit the send button
if(isset($email['params']) && $email['params']['autonl']['event']=='subs-2-nl' && (int)$email['sent_at']===0){
$emails_need_to_be_queued=true;
$follow_up=true;
}
}else{
// queue emails only if it is not a scheduled email
if(!isset($email['params']['schedule']['isscheduled'])){
$emails_need_to_be_queued = true;
}else{
$helper_toolbox = WYSIJA::get('toolbox','helper');
$schedule_date = $email['params']['schedule']['day'].' '.$email['params']['schedule']['time'];
$unix_scheduled_time = strtotime($schedule_date);
// if the scheduled time is passed let's send the email
// we don't compare to the time recorded but to the offset time which is the time set by the user in his time
if($helper_toolbox->localtime_to_servertime($unix_scheduled_time) < time()){
$emails_need_to_be_queued = true;
}
}
}
// we're not supposed to queue any email here probably because it is an automatic newsletter or a scheduled email
if(!$emails_need_to_be_queued) return false;
// if it is a standard email we get the campaign list
if(!$follow_up){
$model_campaign = WYSIJA::get('campaign','model');
$data = $model_campaign->getDetails($email['email_id']);
$lists_to_send_to = $data['campaign']['lists']['ids'];
$to_be_sent=time();
}else{
// if it is a follow up we get the campaign list
$lists_to_send_to = array($email['params']['autonl']['subscribetolist']);
$delay = $this->calculate_delay($email['params']['autonl']);
$to_be_sent = '(A.sub_date) + '.$delay;
}
// get the minimum status to queue emails based on the double optin config
$model_config=WYSIJA::get('config','model');
if($model_config->getValue('confirm_dbleoptin')) $status_min=0;
else $status_min=-1;
if(empty($lists_to_send_to)){
$this->error(__('There are no list to send to.',WYSIJA),1);
return false;
}
// insert into the queue
$query='INSERT IGNORE INTO [wysija]queue (`email_id` ,`user_id`,`send_at`) ';
$query.='SELECT '.$email['email_id'].', A.user_id,'.$to_be_sent.'
FROM [wysija]user_list as A
JOIN [wysija]user as B on A.user_id=B.user_id
WHERE B.status>'.$status_min.'
AND A.list_id IN ('.implode(',',$lists_to_send_to).')
AND A.unsub_date=0';
// if some emails have already been sent on that newsletter, make sure we don't re enqueue the same emails again
$query_count = 'SELECT count(user_id) as count FROM [wysija]email_user_stat WHERE email_id = '.$email['email_id'];
if( $this->count( $query_count) > 0){
$query .= ' AND A.user_id NOT IN (SELECT user_id FROM [wysija]email_user_stat WHERE email_id = '.$email['email_id'].')';
}
$this->query($query);
if($this->sql_error){
$this->error($this->sql_error);
$this->error('Full query : '.$query);
return false;
}else{
// rows were inserted
$nb_emails=$this->getAffectedRows();
if((int)$nb_emails > 0){
//$this->notice(sprintf(__('%1$s email(s) queued', WYSIJA),$nb_emails),false);
return true;
}
}
return true;
}
/**
* get a list of the delaied queued emails
* @param type $mailid
* @return type
*/
function getDelayed($mailid=0){
if(!$mailid) return array();
$query = 'SELECT c.*,a.* FROM [wysija]queue as a';
$query .= ' JOIN [wysija]email as b on a.`email_id` = b.`email_id` ';
$query .= ' JOIN [wysija]user as c on a.`user_id` = c.`user_id` ';
$query .= ' WHERE b.`status` IN (1,3,99)';
if(!empty($mailid)) $query .= ' AND a.`email_id` = '.$mailid;
$query .= ' ORDER BY a.`priority` ASC, a.`send_at` ASC, a.`user_id` ASC';
$results=$this->query('get_res',$query);
return $results;
}
/**
* get a list of the emails ready to be sent
* @param string $sql_limit
* @param int $email_id
* @param int $user_id
* @return type
*/
function getReady($sql_limit,$email_id = 0,$user_id=false){
// in some cases of a large database, with millions of entries recorded in the queue table, the triple joins was
// very slow and crashing the request.
$model_config = WYSIJA::get('config', 'model');
if ((int) $model_config->getValue('total_subscribers') > 1000000){
return $this->get_ready_large_db($sql_limit,$email_id = 0,$user_id=false);
}
$query = 'SELECT c.*,a.* FROM [wysija]queue as a';
$query .= ' JOIN [wysija]email as b on a.`email_id` = b.`email_id` ';
$query .= ' JOIN [wysija]user as c on a.`user_id` = c.`user_id` ';
$query .= ' WHERE a.`send_at` <= '.time().' AND b.`status` IN (1,3,99)';
if(!empty($email_id)) $query .= ' AND a.`email_id` = '.$email_id;
if($user_id) $query .= ' AND a.`user_id` = '.$user_id;
$query .= ' ORDER BY a.`priority` ASC, a.`send_at` ASC, a.`user_id` ASC';
if(!empty($sql_limit)) $query .= ' LIMIT '.$sql_limit;
$results=$this->query('get_res',$query,OBJECT_K);
if($results === null){
$this->query('REPAIR TABLE [wysija]queue, [wysija]user, [wysija]email');
}
if(!empty($results)){
$first_element_queued = reset($results);
$this->query('UPDATE [wysija]queue SET send_at = send_at + 1 WHERE email_id = '.$first_element_queued->email_id.' AND user_id = '.$first_element_queued->user_id.' LIMIT 1');
}
return $results;
}
/**
* this function is here to make sure that if the subscribers has a large db, and the queue has millions of entry, the
* selection request will still work
* @param type $sql_limit
* @param type $email_id
* @param type $user_id
* @return type
*/
function get_ready_large_db($sql_limit,$email_id = 0,$user_id=false){
$query = 'SELECT A.user_id, A.email_id
FROM [wysija]queue AS A
JOIN [wysija]email AS B ON A.`email_id` = B.`email_id`
WHERE A.`send_at` <= '.time().' AND B.status IN ( 1, 3, 99 ) ';
if($user_id) $query .= ' AND A.`user_id` = '.$user_id;
if(!empty($email_id)) $query .= ' AND A.`email_id` = '.$email_id;
$query .= ' ORDER BY A.`priority` ASC , A.`send_at` ASC , A.`user_id` ASC';
if(!empty($sql_limit)) $query .= ' LIMIT '.$sql_limit;
// the first request is looking for data between the queue table and the email table
$results = $this->query('get_res',$query,OBJECT_K);
if(empty($results)) return $result;
$user_ids = $email_ids = '';
$email_ids = array();
foreach($results as $ids){
$user_ids .= $ids->user_id. ',';
$email_ids[$ids->email_id] = $ids->email_id ;
}
$user_ids = substr($user_ids, 0, -1);
$email_ids_string = implode(',', $email_ids);
if(substr($email_ids_string, 0, -1) == ',') $email_ids_string = substr($email_ids_string, 0, -1);
$query = 'SELECT c.*,a.*
FROM [wysija]queue as a
JOIN [wysija]user as c on a.`user_id` = c.`user_id`
WHERE a.user_id IN('.$user_ids.') and a.email_id IN('.$email_ids_string.') ORDER BY a.`priority` ASC, a.`send_at` ASC, a.`user_id`';
$results=$this->query('get_res',$query,OBJECT_K);
if($results === null){
$this->query('REPAIR TABLE [wysija]queue, [wysija]user, [wysija]email');
}
if(!empty($results)){
$first_element_queued = reset($results);
$this->query('UPDATE [wysija]queue SET send_at = send_at + 1 WHERE email_id = '.$first_element_queued->email_id.' AND user_id = '.$first_element_queued->user_id.' LIMIT 1');
}
return $results;
}
/**
* calculate the delay of the follow up based on the email parameters that have been setup
* @param array $email_params_autonl
* @return int
*/
function calculate_delay($email_params_autonl){
$delay=0;
//check if there is a delay, if so we just set a send_at params
if(isset($email_params_autonl['numberafter']) && (int)$email_params_autonl['numberafter']>0){
switch($email_params_autonl['numberofwhat']){
case 'immediate':
$delay=0;
break;
case 'hours':
$delay=(int)$email_params_autonl['numberafter']*3600;
break;
case 'days':
$delay=(int)$email_params_autonl['numberafter']*3600*24;
break;
case 'weeks':
$delay=(int)$email_params_autonl['numberafter']*3600*24*7;
break;
}
}
return $delay;
}
}
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