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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2010 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class notification {
static function get_subscription($item_id, $user=null) {
if (empty($user)) {
$user = identity::active_user();
}
return ORM::factory("subscription")
->where("item_id", "=", $item_id)
->where("user_id", "=", $user->id)
->find();
}
static function is_watching($item, $user=null) {
if (empty($user)) {
$user = identity::active_user();
}
return ORM::factory("subscription")
->where("item_id", "=", $item->id)
->where("user_id", "=", $user->id)
->find()
->loaded();
}
static function add_watch($item, $user=null) {
if ($item->is_album()) {
if (empty($user)) {
$user = identity::active_user();
}
$subscription = ORM::factory("subscription");
$subscription->item_id = $item->id;
$subscription->user_id = $user->id;
$subscription->save();
}
}
static function remove_watch($item, $user=null) {
if ($item->is_album()) {
if (empty($user)) {
$user = identity::active_user();
}
$subscription = ORM::factory("subscription")
->where("item_id", "=", $item->id)
->where("user_id", "=", $user->id)
->find()->delete();
}
}
static function get_subscribers($item) {
$subscriber_ids = array();
foreach (ORM::factory("subscription")
->select("user_id")
->join("items", "subscriptions.item_id", "items.id")
->where("items.left_ptr", "<=", $item->left_ptr)
->where("items.right_ptr", ">", $item->right_ptr)
->find_all()
->as_array() as $subscriber) {
$subscriber_ids[] = $subscriber->user_id;
}
if (empty($subscriber_ids)) {
return array();
}
$users = identity::get_user_list($subscriber_ids);
$subscribers = array();
foreach ($users as $user) {
if (access::user_can($user, "view", $item) && !empty($user->email)) {
$subscribers[$user->email] = $user->locale;
}
}
return $subscribers;
}
static function send_item_updated($original, $item) {
foreach (self::get_subscribers($item) as $email => $locale) {
$v = new View("item_updated.html");
$v->original = $original;
$v->item = $item;
$v->subject = $item->is_album() ?
t("Album \"%title\" updated", array("title" => $original->title, "locale" => $locale)) :
($item->is_photo() ?
t("Photo \"%title\" updated", array("title" => $original->title, "locale" => $locale))
: t("Movie \"%title\" updated", array("title" => $original->title, "locale" => $locale)));
self::_notify($email, $locale, $item, $v->render(), $v->subject);
}
}
static function send_item_add($item) {
$parent = $item->parent();
foreach (self::get_subscribers($item) as $email => $locale) {
$v = new View("item_added.html");
$v->item = $item;
$v->subject = $item->is_album() ?
t("Album \"%title\" added to \"%parent_title\"",
array("title" => $item->title, "parent_title" => $parent->title, "locale" => $locale)) :
($item->is_photo() ?
t("Photo \"%title\" added to \"%parent_title\"",
array("title" => $item->title, "parent_title" => $parent->title, "locale" => $locale)) :
t("Movie \"%title\" added to \"%parent_title\"",
array("title" => $item->title, "parent_title" => $parent->title, "locale" => $locale)));
self::_notify($email, $locale, $item, $v->render(), $v->subject);
}
}
static function send_item_deleted($item) {
$parent = $item->parent();
foreach (self::get_subscribers($item) as $email => $locale) {
$v = new View("item_deleted.html");
$v->item = $item;
$v->subject = $item->is_album() ?
t("Album \"%title\" removed from \"%parent_title\"",
array("title" => $item->title, "parent_title" => $parent->title, "locale" => $locale)) :
($item->is_photo() ?
t("Photo \"%title\" removed from \"%parent_title\"",
array("title" => $item->title, "parent_title" => $parent->title, "locale" => $locale))
: t("Movie \"%title\" removed from \"%parent_title\"",
array("title" => $item->title, "parent_title" => $parent->title,
"locale" => $locale)));
self::_notify($email, $locale, $item, $v->render(), $v->subject);
}
}
static function send_comment_published($comment) {
$item = $comment->item();
foreach (self::get_subscribers($item) as $email => $locale) {
$v = new View("comment_published.html");
$v->comment = $comment;
$v->subject = $item->is_album() ?
t("A new comment was published for album \"%title\"",
array("title" => $item->title, "locale" => $locale)) :
($item->is_photo() ?
t("A new comment was published for photo \"%title\"",
array("title" => $item->title, "locale" => $locale))
: t("A new comment was published for movie \"%title\"",
array("title" => $item->title, "locale" => $locale)));
self::_notify($email, $locale, $item, $v->render(), $v->subject);
}
}
static function send_pending_notifications() {
foreach (db::build()
->select(new Database_Expression("DISTINCT `email`"))
->from("pending_notifications")
->execute() as $row) {
$email = $row->email;
$result = ORM::factory("pending_notification")
->where("email", "=", $email)
->find_all();
if ($result->count() == 1) {
$pending = $result->current();
Sendmail::factory()
->to($email)
->subject($pending->subject)
->header("Mime-Version", "1.0")
->header("Content-Type", "text/html; charset=UTF-8")
->message($pending->body)
->send();
$pending->delete();
} else {
$text = "";
$locale = null;
foreach ($result as $pending) {
$text .= $pending->text;
$locale = $pending->locale;
$pending->delete();
}
Sendmail::factory()
->to($email)
->subject(t("New activity for %site_name",
array("site_name" => item::root()->title, "locale" => $locale)))
->header("Mime-Version", "1.0")
->header("Content-Type", "text/html; charset=UTF-8")
->message($text)
->send();
}
}
}
private static function _notify($email, $locale, $item, $text, $subject) {
if (!batch::in_progress()) {
Sendmail::factory()
->to($email)
->subject($subject)
->header("Mime-Version", "1.0")
->header("Content-Type", "text/html; charset=UTF-8")
->message($text)
->send();
} else {
$pending = ORM::factory("pending_notification");
$pending->subject = $subject;
$pending->text = $text;
$pending->email = $email;
$pending->locale = $locale;
$pending->save();
}
}
}
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