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<?php
/**
* Elgg tidypics library of common functions
*
*/
/**
* Get images for display on front page
*
* @param int number of images
* @param int (optional) guid of owner
* @return string of html for display
*
* To use with the custom index plugin, use something like this:
if (is_plugin_enabled('tidypics')) {
?>
<!-- display latest photos -->
<div class="index_box">
<h2><a href="<?php echo $vars['url']; ?>pg/photos/world/"><?php echo elgg_echo("tidypics:mostrecent"); ?></a></h2>
<div class="contentWrapper">
<?php
echo tp_get_latest_photos(5);
?>
</div>
</div>
<?php
}
?>
* Good luck
*/
function tp_get_latest_photos($num_images, $owner_guid = 0)
{
$prev_context = set_context('front');
$image_html = tp_list_entities('object', 'image', $owner_guid, $num_images, false, false, false);
set_context($prev_context);
return $image_html;
}
/**
* Get image directory path
*
* Each album gets a subdirectory based on its container id
*
* @return string path to image directory
*/
function tp_get_img_dir()
{
$file = new ElggFile();
return $file->getFilenameOnFilestore() . 'image/';
}
/*********************************************************************
* the functions below replace broken core functions or add functions
* that could/should exist in the core
*/
/**
*
*/
function tp_get_entities($type = "", $subtype = "", $owner_guid = 0, $order_by = "", $limit = 10, $offset = 0, $count = false, $site_guid = 0, $container_guid = null, $timelower = 0, $timeupper = 0)
{
global $CONFIG;
if ($subtype === false || $subtype === null || $subtype === 0)
return false;
if ($order_by == "") $order_by = "time_created desc";
$order_by = sanitise_string($order_by);
$limit = (int)$limit;
$offset = (int)$offset;
$site_guid = (int) $site_guid;
$timelower = (int) $timelower;
$timeupper = (int) $timeupper;
if ($site_guid == 0)
$site_guid = $CONFIG->site_guid;
$where = array();
if (is_array($subtype)) {
$tempwhere = "";
if (sizeof($subtype))
foreach($subtype as $typekey => $subtypearray) {
foreach($subtypearray as $subtypeval) {
$typekey = sanitise_string($typekey);
if (!empty($subtypeval)) {
if (!$subtypeval = (int) get_subtype_id($typekey, $subtypeval))
return false;
} else {
// @todo: Setting subtype to 0 when $subtype = '' returns entities with
// no subtype. This is different to the non-array behavior
// but may be required in some cases.
$subtypeval = 0;
}
if (!empty($tempwhere)) $tempwhere .= " or ";
$tempwhere .= "(type = '{$typekey}' and subtype = {$subtypeval})";
}
}
if (!empty($tempwhere)) $where[] = "({$tempwhere})";
} else {
$type = sanitise_string($type);
if ($subtype !== "" AND !$subtype = get_subtype_id($type, $subtype))
return false;
if ($type != "")
$where[] = "type='$type'";
if ($subtype!=="")
$where[] = "subtype=$subtype";
}
if ($owner_guid != "") {
if (!is_array($owner_guid)) {
$owner_array = array($owner_guid);
$owner_guid = (int) $owner_guid;
$where[] = "owner_guid = '$owner_guid'";
} else if (sizeof($owner_guid) > 0) {
$owner_array = array_map('sanitise_int', $owner_guid);
// Cast every element to the owner_guid array to int
$owner_guid = array_map("sanitise_int", $owner_guid);
$owner_guid = implode(",",$owner_guid);
$where[] = "owner_guid in ({$owner_guid})";
}
}
if ($site_guid > 0)
$where[] = "site_guid = {$site_guid}";
if (!is_null($container_guid)) {
if (is_array($container_guid)) {
foreach($container_guid as $key => $val) $container_guid[$key] = (int) $val;
$where[] = "container_guid in (" . implode(",",$container_guid) . ")";
} else {
$container_guid = (int) $container_guid;
$where[] = "container_guid = {$container_guid}";
}
}
if ($timelower)
$where[] = "time_created >= {$timelower}";
if ($timeupper)
$where[] = "time_created <= {$timeupper}";
if (!$count) {
$query = "SELECT * from {$CONFIG->dbprefix}entities where ";
} else {
$query = "SELECT count(guid) as total from {$CONFIG->dbprefix}entities where ";
}
foreach ($where as $w)
$query .= " $w and ";
$query .= get_access_sql_suffix(); // Add access controls
if (!$count) {
$query .= " order by $order_by";
if ($limit) $query .= " limit $offset, $limit"; // Add order and limit
$dt = get_data($query, "entity_row_to_elggstar");
return $dt;
} else {
$total = get_data_row($query);
return $total->total;
}
}
function tp_list_entities($type= "", $subtype = "", $owner_guid = 0, $limit = 10, $fullview = true, $viewtypetoggle = false, $pagination = true) {
$offset = (int) get_input('offset');
$count = tp_get_entities($type, $subtype, $owner_guid, "", $limit, $offset, true);
$entities = tp_get_entities($type, $subtype, $owner_guid, "", $limit, $offset);
return tp_view_entity_list($entities, $count, $offset, $limit, $fullview, $viewtypetoggle, $pagination);
}
function tp_view_entity_list($entities, $count, $offset, $limit, $fullview = true, $viewtypetoggle = false, $pagination = true) {
$context = get_context();
$html = elgg_view('tidypics/gallery',array(
'entities' => $entities,
'count' => $count,
'offset' => $offset,
'limit' => $limit,
'baseurl' => $_SERVER['REQUEST_URI'],
'fullview' => $fullview,
'context' => $context,
'viewtypetoggle' => $viewtypetoggle,
'viewtype' => get_input('search_viewtype','list'),
'pagination' => $pagination
));
return $html;
}
/**
* Is page owner a group - convenience function
*
* @return true/false
*/
function tp_is_group_page() {
if ($group = page_owner_entity()) {
if ($group instanceof ElggGroup)
return true;
}
return false;
}
/**
* Is the request from a known browser
*
* @return true/false
*/
function tp_is_person()
{
$known = array('msie', 'mozilla', 'firefox', 'safari', 'webkit', 'opera', 'netscape', 'konqueror', 'gecko');
$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
foreach ($known as $browser)
{
if (strpos($agent, $browser) !== false) {
return true;
}
}
return false;
}
?>
|
