/**
* Send push notifications if event is added to the activity river
*
* @param string $event name of the event
* @param string $type type of the event
* @param ElggRiverItem $river_item river item object
*
* @return void
*/
function ws_pack_created_river_event_handler($event, $type, $river_item)
{
if (!empty($river_item) && $river_item instanceof ElggRiverItem) {
if (!function_exists('str_get_html')) {
elgg_load_library("simple_html_dom");
}
$message = "";
$html_view = elgg_view_river_item($river_item);
if ($res = str_get_html($html_view)) {
// get the river summary
if ($summary_element = $res->find("div.elgg-river-summary")) {
$summary_element = $summary_element[0];
$text = $summary_element->innertext();
list($left, $right) = explode("<span class=\"elgg-river-timestamp\">", $text);
$message = trim(elgg_strip_tags($left));
}
}
if (!empty($message)) {
$user_guids = false;
switch ($river_item->access_id) {
case ACCESS_PRIVATE:
// do nothing
break;
case ACCESS_PUBLIC:
case ACCESS_LOGGED_IN:
// notify everyone
$site_user_options = array("type" => "user", "limit" => false, "relationship" => "member_of_site", "relationship_guid" => elgg_get_site_entity()->getGUID(), "inverse_relationship" => true, "callback" => "ws_pack_row_to_guid");
$user_guids = elgg_get_entities_from_relationship($site_user_options);
break;
case ACCESS_FRIENDS:
// notify friends of subject_guid
$friends_options = array("type" => "user", "limit" => false, "relationship" => "friend", "relationship_guid" => $river_item->subject_guid, "callback" => "ws_pack_row_to_guid", "joins" => array("JOIN " . elgg_get_config("dbprefix") . "entity_relationships r2 ON e.guid = r2.guid_one"), "wheres" => array("(r2.relationship = 'member_of_site' AND r2.guid_two = " . elgg_get_site_entity()->getGUID() . ")"));
$user_guids = elgg_get_entities_from_relationship($friends_options);
break;
default:
// probably some acl, so notify members of the acl
$user_guids = get_members_of_access_collection($river_item->access_id, true);
break;
}
// we found potential interested users, so push
if (!empty($user_guids) && is_array($user_guids)) {
$api_application_options = array("type" => "object", "subtype" => APIApplication::SUBTYPE, "limit" => false, "annotation_name" => "push_notification_service");
if ($api_applications = elgg_get_entities_from_annotations($api_application_options)) {
foreach ($api_applications as $api_application) {
$api_application->sendPushNotification($message, $user_guids);
}
}
}
}
}
}
/**
* View an item in a list
*
* @param ElggEntity|ElggAnnotation $item
* @param array $vars Additional parameters for the rendering
*
* @return string
* @since 1.8.0
* @access private
*/
function elgg_view_list_item($item, array $vars = array())
{
global $CONFIG;
$type = $item->getType();
if (in_array($type, $CONFIG->entity_types)) {
return elgg_view_entity($item, $vars);
} else {
if ($type == 'annotation') {
return elgg_view_annotation($item, $vars);
} else {
if ($type == 'river') {
return elgg_view_river_item($item, $vars);
}
}
}
return '';
}
/**
* View an item in a list
*
* @param object $item ElggEntity or ElggAnnotation
* @param array $vars Additional parameters for the rendering
*
* @return string
* @since 1.8.0
* @access private
*/
function elgg_view_list_item($item, array $vars = array())
{
switch ($item->getType()) {
case 'user':
case 'object':
case 'group':
case 'site':
return elgg_view_entity($item, $vars);
case 'annotation':
return elgg_view_annotation($item, $vars);
case 'river':
return elgg_view_river_item($item, $vars);
default:
return false;
break;
}
}
/**
*
* @package Elgg
* @subpackage Core
* @author Curverider Ltd
* @link http://elgg.org/
*
*/
?>
<div class="river_item_list">
<?php
if (isset($vars['items']) && is_array($vars['items'])) {
$i = 0;
if (!empty($vars['items'])) {
foreach ($vars['items'] as $item) {
echo elgg_view_river_item($item);
$i++;
if ($i >= $vars['limit']) {
break;
}
}
}
}
if ($vars['pagination'] !== false) {
$baseurl = $_SERVER['REQUEST_URI'];
$nav = '';
if (sizeof($vars['items']) > $vars['limit']) {
$newoffset = $vars['offset'] + $vars['limit'];
$nexturl = elgg_http_add_url_query_elements($baseurl, array('offset' => $newoffset));
$nav .= '<a class="back" href="' . $nexturl . '">« ' . elgg_echo('previous') . '</a> ';
}
/**
* View an item in a list
*
* @param \ElggEntity|\ElggAnnotation $item
* @param array $vars Additional parameters for the rendering
* 'item_view' Alternative view used to render list items
* @return string
* @since 1.8.0
* @access private
*/
function elgg_view_list_item($item, array $vars = array())
{
if ($item instanceof \ElggEntity) {
return elgg_view_entity($item, $vars);
} else {
if ($item instanceof \ElggAnnotation) {
return elgg_view_annotation($item, $vars);
} else {
if ($item instanceof \ElggRiverItem) {
return elgg_view_river_item($item, $vars);
}
}
}
return '';
}
/**
* Export river items
*
* @param array $items river items to export
*
* @return boolean|array
*/
function ws_pack_export_river_items($items)
{
elgg_load_library("simple_html_dom");
$result = false;
if (!empty($items) && is_array($items)) {
$result = array();
foreach ($items as $item) {
if ($item instanceof ElggRiverItem) {
$tmp_result = array();
// default export values
$export_values = array("id", "subject_guid", "object_guid", "annotation_id", "type", "subtype", "action_type", "posted");
foreach ($export_values as $field_name) {
$tmp_result[$field_name] = $item->{$field_name};
}
// add object and subject entities
$tmp_result["object"] = ws_pack_export_entity($item->getObjectEntity());
$tmp_result["subject"] = ws_pack_export_entity($item->getSubjectEntity());
// add some html views
// set viewtype to default
$viewtype = elgg_get_viewtype();
elgg_set_viewtype("default");
$tmp_result["html_view"] = elgg_view_river_item($item);
// parse the html to get some usefull information
if ($res = str_get_html($tmp_result["html_view"])) {
// get the river summary
if ($summary_element = $res->find("div.elgg-river-summary")) {
$summary_element = $summary_element[0];
$text = $summary_element->innertext();
list($left, $right) = explode("<span class=\"elgg-river-timestamp\">", $text);
$tmp_result["summary"] = trim(elgg_strip_tags($left));
}
// get the river message (optional)
if ($message_element = $res->find("div.elgg-river-message")) {
$message_element = $message_element[0];
$tmp_result["message"] = trim(elgg_strip_tags($message_element->innertext()));
}
// get river attachments (optional)
if ($attachment_element = $res->find("div.elgg-river-attachments")) {
$attachment_element = $attachment_element[0];
$tmp_result["attachments"] = array();
// find images
if ($images = $attachment_element->find("img")) {
$image_urls = array();
foreach ($images as $img) {
$image_urls[] = $img->src;
}
$tmp_result["attachments"]["images"] = $image_urls;
}
// find links
if ($links = $attachment_element->find("a")) {
$link_urls = array();
foreach ($links as $link) {
$link_urls[] = $link->href;
}
$tmp_result["attachments"]["links"] = $link_urls;
}
}
}
// add friendly time
$friendly_time = elgg_view_friendly_time($item->posted);
$tmp_result["friendly_time"] = trim(elgg_strip_tags($friendly_time));
// restore viewtype
elgg_set_viewtype($viewtype);
// add this item to the result set
$result[] = $tmp_result;
}
}
}
return $result;
}
