cover photo fetch and widget

include/identity.php

@@ -1737,3 +1737,38 @@ function auto_channel_create($account_id) {
 
 }
 
+function get_cover_photo($channel_id,$format = 'bbcode', $res = PHOTO_RES_COVER_1200) {
+
+	$r = q("select height, width, resource_id, type from photo where uid = %d and scale = %d and photo_usage = %d",
+		intval($channel_id),
+		intval($res),
+		intval(PHOTO_COVER)
+	);
+	if(! $r)
+		return false;
+
+	$output = false;
+
+	$url = z_root() . '/photo/' . $r[0]['resource_id'] . '-' . $res ;
+
+	switch($format) {
+		case 'bbcode':
+			$output = '[zrl=' . $r[0]['width'] . 'x' . $r[0]['height'] . ']' . $url . '[/zrl]';
+			break;
+		case 'html':
+ 			$output = '<img class="zrl" width="' . $r[0]['width'] . '" height="' . $r[0]['height'] . '" src="' . $url . '" alt="' . t('cover photo') . '" />';
+			break;
+		case 'array':
+		default:
+			$output = array(
+				'width' => $r[0]['width'],
+				'height' => $r[0]['type'],
+				'type' => $r[0]['type'],
+				'url' => $url
+			);
+			break;
+	}
+
+	return $output;  
+		
+}

include/widgets.php

@@ -936,6 +936,38 @@ function widget_photo($arr) {
 }
 
 
+function widget_cover_photo($arr) {
+
+	require_once('include/identity.php');
+	$o = '';
+
+	$channel_id = 0;
+	if(array_key_exists('channel_id', $arr) && intval($arr['channel_id']))
+		$channel_id = intval($arr['channel_id']);
+	if(! $channel_id)
+		$channel_id = get_app()->profile_uid;
+	if(! $channel_id)
+		return '';
+
+	if(array_key_exists('style', $arr) && isset($arr['style']))
+		$style = $arr['style'];
+	else 
+		$style = 'width:100%; padding-right: 10px; height: auto;'; 
+
+	// ensure they can't sneak in an eval(js) function
+
+	if(strpos($style,'(') !== false)
+		return '';
+
+	$c = get_cover_photo($channel_id,'html');
+
+	if($c) {
+		$o = '<div class="widget">' . (($style) ? str_replace('alt=',' style="' . $style . '" alt=',$c) : $c) . '</div>';
+	}
+	return $o;
+}
+
+
 function widget_photo_rand($arr) {
 
 	require_once('include/photos.php');