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<?php
/**
* Elgg tidypics library of common functions
*
* @package TidypicsCommon
*/
/**
* 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, $context = 'front') {
$prev_context = get_context();
set_context($context);
$image_html = elgg_list_entities(array(
'type' => 'object',
'subtype' => 'image',
'owner_guid' => $owner_guid,
'limit' => $num_images,
'full_view' => false,
'pagination' => false,
));
set_context($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 $file->getFilenameOnFilestore() . 'image/';
}
/*********************************************************************
* the functions below replace broken core functions or add functions
* that could/should exist in the core
*/
function tp_view_entity_list($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 $html;
}
function tp_get_entities_from_annotations_calculate_x($sum = "sum", $entity_type = "", $entity_subtype = "", $name = "", $mdname = '', $mdvalue = '', $owner_guid = 0, $limit = 10, $offset = 0, $orderdir = 'desc', $count = false) {
global $CONFIG;
$sum = sanitise_string($sum);
$entity_type = sanitise_string($entity_type);
$entity_subtype = get_subtype_id($entity_type, $entity_subtype);
$name = get_metastring_id($name);
$limit = (int) $limit;
$offset = (int) $offset;
$owner_guid = (int) $owner_guid;
if (!empty($mdname) && !empty($mdvalue)) {
$meta_n = get_metastring_id($mdname);
$meta_v = get_metastring_id($mdvalue);
}
if (empty($name)) return 0;
$where = array();
if ($entity_type!="")
$where[] = "e.type='$entity_type'";
if ($owner_guid > 0)
$where[] = "e.owner_guid = $owner_guid";
if ($entity_subtype)
$where[] = "e.subtype=$entity_subtype";
if ($name!="")
$where[] = "a.name_id='$name'";
if (!empty($mdname) && !empty($mdvalue)) {
if ($mdname!="")
$where[] = "m.name_id='$meta_n'";
if ($mdvalue!="")
$where[] = "m.value_id='$meta_v'";
}
if ($sum != "count")
$where[] = "a.value_type='integer'"; // Limit on integer types
if (!$count) {
$query = "SELECT distinct e.*, $sum(ms.string) as sum ";
} else {
$query = "SELECT count(distinct e.guid) as num, $sum(ms.string) as sum ";
}
$query .= " from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}annotations a on a.entity_guid = e.guid JOIN {$CONFIG->dbprefix}metastrings ms on a.value_id=ms.id ";
if (!empty($mdname) && !empty($mdvalue)) {
$query .= " JOIN {$CONFIG->dbprefix}metadata m on m.entity_guid = e.guid ";
}
$query .= " WHERE ";
foreach ($where as $w)
$query .= " $w and ";
$query .= get_access_sql_suffix("a"); // now add access
$query .= ' and ' . get_access_sql_suffix("e"); // now add access
if (!$count) $query .= ' group by e.guid';
if (!$count) {
$query .= ' order by sum ' . $orderdir;
$query .= ' limit ' . $offset . ' , ' . $limit;
return get_data($query, "entity_row_to_elggstar");
} else {
if ($row = get_data_row($query)) {
return $row->num;
}
}
return false;
}
/**
* Is page owner a group - convenience function
*
* @return true/false
*/
function tp_is_group_page() {
if ($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;
}
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