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<?php
/**
* Tidypics Image class
*
* @package TidypicsImage
*/
class TidypicsImage extends ElggFile {
protected function initialise_attributes() {
parent::initialise_attributes();
$this->attributes['subtype'] = "image";
}
public function __construct($guid = null) {
parent::__construct($guid);
}
/**
* delete image
*
* @return bool
*/
public function delete() {
$album = get_entity($this->container_guid);
if ($album) {
$album->removeImage($this->guid);
}
$this->removeThumbnails();
// update quota
$owner = $this->getOwnerEntity();
$owner->image_repo_size = (int)$owner->image_repo_size - $this->size();
return parent::delete();
}
/**
* Has the photo been tagged with "in this photo" tags
*
* @return true/false
*/
public function isPhotoTagged() {
$num_tags = count_annotations($this->getGUID(), 'object', 'image', 'phototag');
if ($num_tags > 0) {
return true;
} else {
return false;
}
}
/**
* Get an array of photo tag information
*
* @return array of json representations of the tags and the tag link text
*/
public function getPhotoTags() {
global $CONFIG;
// get tags as annotations
$photo_tags = get_annotations($this->getGUID(), 'object', 'image', 'phototag');
if (!$photo_tags) {
// no tags or user doesn't have permission to tags, so return
return false;
}
$photo_tags_json = "[";
foreach ($photo_tags as $p) {
$photo_tag = unserialize($p->value);
// create link to page with other photos tagged with same tag
$phototag_text = $photo_tag->value;
$phototag_link = $CONFIG->wwwroot . 'search/?tag=' . $phototag_text . '&subtype=image&object=object';
if ($photo_tag->type === 'user') {
$user = get_entity($photo_tag->value);
if ($user) {
$phototag_text = $user->name;
} else {
$phototag_text = "unknown user";
}
$phototag_link = $CONFIG->wwwroot . "pg/photos/tagged/" . $photo_tag->value;
}
if (isset($photo_tag->x1)) {
// hack to handle format of Pedro Prez's tags - ugh
$photo_tag->coords = "\"x1\":\"{$photo_tag->x1}\",\"y1\":\"{$photo_tag->y1}\",\"width\":\"{$photo_tag->width}\",\"height\":\"{$photo_tag->height}\"";
$photo_tags_json .= '{' . $photo_tag->coords . ',"text":"' . $phototag_text . '","id":"' . $p->id . '"},';
} else {
$photo_tags_json .= '{' . $photo_tag->coords . ',"text":"' . $phototag_text . '","id":"' . $p->id . '"},';
}
// prepare variable arrays for tagging view
$photo_tag_links[$p->id] = array('text' => $phototag_text, 'url' => $phototag_link);
}
$photo_tags_json = rtrim($photo_tags_json,',');
$photo_tags_json .= ']';
$ret_data = array('json' => $photo_tags_json, 'links' => $photo_tag_links);
return $ret_data;
}
/**
* Get the view information for this image
*
* @param $viewer_guid the guid of the viewer (0 if not logged in)
* @return array with number of views, number of unique viewers, and number of views for this viewer
*/
public function getViews($viewer_guid) {
$views = get_annotations($this->getGUID(), "object", "image", "tp_view", "", 0, 99999);
if ($views) {
$total_views = count($views);
if ($this->owner_guid == $viewer_guid) {
// get unique number of viewers
foreach ($views as $view) {
$diff_viewers[$view->owner_guid] = 1;
}
$unique_viewers = count($diff_viewers);
}
else if ($viewer_guid) {
// get the number of times this user has viewed the photo
$my_views = 0;
foreach ($views as $view) {
if ($view->owner_guid == $viewer_guid) {
$my_views++;
}
}
}
$view_info = array("total" => $total_views, "unique" => $unique_viewers, "mine" => $my_views);
}
else {
$view_info = array("total" => 0, "unique" => 0, "mine" => 0);
}
return $view_info;
}
/**
* Add a tidypics view annotation to this image
*
* @param $viewer_guid
* @return none
*/
public function addView($viewer_guid) {
if ($viewer_guid != $this->owner_guid && tp_is_person()) {
create_annotation($this->getGUID(), "tp_view", "1", "integer", $viewer_guid, ACCESS_PUBLIC);
}
}
/**
* Remove thumbnails - usually in preparation for deletion
*
* The thumbnails are not actually ElggObjects so we create
* temporary objects to delete them.
*/
protected function removeThumbnails() {
$thumbnail = $this->thumbnail;
$smallthumb = $this->smallthumb;
$largethumb = $this->largethumb;
//delete standard thumbnail image
if ($thumbnail) {
$delfile = new ElggFile();
$delfile->owner_guid = $this->getOwner();
$delfile->setFilename($thumbnail);
$delfile->delete();
}
//delete small thumbnail image
if ($smallthumb) {
$delfile = new ElggFile();
$delfile->owner_guid = $this->getOwner();
$delfile->setFilename($smallthumb);
$delfile->delete();
}
//delete large thumbnail image
if ($largethumb) {
$delfile = new ElggFile();
$delfile->owner_guid = $this->getOwner();
$delfile->setFilename($largethumb);
$delfile->delete();
}
}
}
/**
* get a list of people that can be tagged in an image
*
* @param $viewer entity
* @return array of guid->name for tagging
*/
function tp_get_tag_list($viewer) {
$friends = get_user_friends($viewer->getGUID(), '', 999, 0);
$friend_list = array();
if ($friends) {
foreach($friends as $friend) {
//error_log("friend $friend->name");
$friend_list[$friend->guid] = $friend->name;
}
}
// is this a group
$is_group = tp_is_group_page();
if ($is_group) {
$group_guid = page_owner();
$viewer_guid = $viewer->guid;
$members = get_group_members($group_guid, 999);
if (is_array($members)) {
foreach ($members as $member) {
if ($viewer_guid != $member->guid) {
$group_list[$member->guid] = $member->name;
//error_log("group $member->name");
}
}
// combine group and friends list
$intersect = array_intersect_key($friend_list, $group_list);
$unique_friends = array_diff_key($friend_list, $group_list);
$unique_members = array_diff_key($group_list, $friend_list);
//$friend_list = array_merge($friend_list, $group_list);
//$friend_list = array_unique($friend_list);
$friend_list = $intersect + $unique_friends + $unique_members;
}
}
asort($friend_list);
return $friend_list;
}
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