streams/Zotlabs/Module/Embedphotos.php

<?php
namespace Zotlabs\Module;

/**
 *
 * This is the POST destination for the embedphotos button
 *
 */  


class Embedphotos extends \Zotlabs\Web\Controller {

	function get() {
		
	}

	function post() {
		
    if (argc() > 1 && argv(1) === 'album') {
        // API: /embedphotos/album
        $name = (x($_POST,'name') ? $_POST['name'] : null );
        if (!$name) {
            json_return_and_die(array('errormsg' => 'Error retrieving album', 'status' => false));
        }
        $album = $this->embedphotos_widget_album(array('channel' => \App::get_channel(), 'album' => $name));
        json_return_and_die(array('status' => true, 'content' => $album));

    }
    if (argc() > 1 && argv(1) === 'albumlist') {
        // API: /embedphotos/albumlist
        $album_list = $this->embedphotos_album_list($a);
        json_return_and_die(array('status' => true, 'albumlist' => $album_list));

    }
    if (argc() > 1 && argv(1) === 'photolink') {
        // API: /embedphotos/photolink
        $href = (x($_POST,'href') ? $_POST['href'] : null );
        if (!$href) {
            json_return_and_die(array('errormsg' => 'Error retrieving link ' . $href, 'status' => false));
        }
        $resource_id = array_pop(explode("/", $href));
        $r = q("SELECT obj from item where resource_type = 'photo' and resource_id = '%s' limit 1",
			dbesc($resource_id)
		);
        if(!$r) {
            json_return_and_die(array('errormsg' => 'Error retrieving resource ' . $resource_id, 'status' => false));
        }
        $obj = json_decode($r[0]['obj'], true);
        if(x($obj,'body')) {
            $photolink = $obj['body'];
        } elseif (x($obj,'bbcode')) {
            $photolink = $obj['bbcode'];
        } else {
            json_return_and_die(array('errormsg' => 'Error retrieving resource ' . $resource_id, 'status' => false));
        }
        json_return_and_die(array('status' => true, 'photolink' => $photolink));

    }
	}
	
	
/**
 * Copied from include/widgets.php::widget_album() with a modification to get the profile_uid from
 * the input array as in widget_item()
 * @param type $name
 * @return string
 */
function embedphotos_widget_album($args) {

    $channel_id = 0;
    if(array_key_exists('channel',$args))
            $channel = $args['channel'];
            $channel_id = intval($channel['channel_id']);
    if(! $channel_id)
            $channel_id = \App::$profile_uid;
    if(! $channel_id)
            return '';
		$owner_uid = $channel_id;
    require_once('include/security.php');
    $sql_extra = permissions_sql($channel_id);

    if(! perm_is_allowed($channel_id,get_observer_hash(),'view_storage'))
            return '';

    if($args['album'])
            $album = $args['album'];
    if($args['title'])
            $title = $args['title'];

		/** 
		 * This may return incorrect permissions if you have multiple directories of the same name.
		 * It is a limitation of the photo table using a name for a photo album instead of a folder hash
		 */

		if($album) {
			$x = q("select hash from attach where filename = '%s' and uid = %d limit 1",
				dbesc($album),
				intval($owner_uid)
			);
			if($x) {
				$y = attach_can_view_folder($owner_uid,get_observer_hash(),$x[0]['hash']);
				if(! $y)
					return '';
			}
		}

		$order = 'DESC';

		$r = q("SELECT p.resource_id, p.id, p.filename, p.mimetype, p.imgscale, p.description, p.created FROM photo p INNER JOIN
				(SELECT resource_id, max(imgscale) imgscale FROM photo WHERE uid = %d AND album = '%s' AND imgscale <= 4 AND photo_usage IN ( %d, %d ) $sql_extra GROUP BY resource_id) ph 
				ON (p.resource_id = ph.resource_id AND p.imgscale = ph.imgscale)
			ORDER BY created $order",
			intval($owner_uid),
			dbesc($album),
			intval(PHOTO_NORMAL),
			intval(PHOTO_PROFILE)
		);

		$photos = array();
			if(count($r)) {
				$twist = 'rotright';
				foreach($r as $rr) {
	
					if($twist == 'rotright')
						$twist = 'rotleft';
					else
						$twist = 'rotright';
					
					$ext = $phototypes[$rr['mimetype']];
	
					$imgalt_e = $rr['filename'];
					$desc_e = $rr['description'];
	
					$imagelink = (z_root() . '/photos/' . \App::$data['channel']['channel_address'] . '/image/' . $rr['resource_id']
					. (($_GET['order'] === 'posted') ? '?f=&order=posted' : ''));
	
					$photos[] = array(
						'id' => $rr['id'],
						'twist' => ' ' . $twist . rand(2,4),
						'link' => $imagelink,
						'title' => t('View Photo'),
						'src' => z_root() . '/photo/' . $rr['resource_id'] . '-' . $rr['imgscale'] . '.' .$ext,
						'alt' => $imgalt_e,
						'desc'=> $desc_e,
						'ext' => $ext,
						'hash'=> $rr['resource_id'],
						'unknown' => t('Unknown')
					);
				}
			}

		$tpl = get_markup_template('photo_album.tpl');
		$o .= replace_macros($tpl, array(
			'$photos' => $photos,
			'$album' => (($title) ? $title : $album),
			'$album_id' => rand(),
			'$album_edit' => array(t('Edit Album'), $album_edit),
			'$can_post' => false,
			'$upload' => array(t('Upload'), z_root() . '/photos/' . \App::$profile['channel_address'] . '/upload/' . bin2hex($album)),
			'$order' => false,
			'$upload_form' => $upload_form,
			'$no_fullscreen_btn' => true
		));

		return $o;
}


function embedphotos_album_list($a) {
    $o = '';
    require_once('include/photos.php');
    $p = photos_albums_list(\App::get_channel(), \App::get_observer());
    if ($p['success']) {
        return $p['albums'];
    } else {
        return null;
    }
}

}