relocate tagadelic to include/taxonomy

1 files changed, 64 insertions, 0 deletions

diff --git a/include/taxonomy.php b/include/taxonomy.php
index aadcd938f..7e9a4c856 100644
--- a/include/taxonomy.php
+++ b/include/taxonomy.php
@@ -93,3 +93,67 @@ function format_term_for_display($term) {
 	return $s;
 }
 
+// Tag cloud functions - need to be adpated to this database format
+
+
+function tagadelic($uid, $count = 0, $type = TERM_HASHTAG) {
+
+	// Fetch tags
+	$r = q("select term, count(term) as total from term
+		where uid = %d and type = %d 
+		and otype = %d
+		group by term order by total desc %s",
+		intval($uid),
+		intval($type),
+		intval(TERM_OBJ_POST),
+		((intval($count)) ? "limit $count" : '')
+	);
+
+	if(! $r)
+		return array();
+  
+  	// Find minimum and maximum log-count.
+	$tags = array();
+	$min = 1e9;
+	$max = -1e9;
+
+	$x = 0;
+	foreach($r as $rr) {
+		$tags[$x][0] = $rr['term'];
+		$tags[$x][1] = log($rr['total']);
+		$tags[$x][2] = 0;
+		$min = min($min,$tags[$x][1]);
+		$max = max($max,$tags[$x][1]);
+		$x ++;
+	}
+
+	usort($tags,'tags_sort');
+
+	$range = max(.01, $max - $min) * 1.0001;
+
+	for($x = 0; $x < count($tags); $x ++) {
+		$tags[$x][2] = 1 + floor(5 * ($tags[$x][1] - $min) / $range);
+	}
+
+	return $tags;
+}
+
+function tags_sort($a,$b) {
+   if($a[0] == $b[0])
+	 return 0;
+   return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1);
+}
+
+
+function tagblock($link,$uid,$count = 0,$type = TERM_HASHTAG) {
+  $tab = 0;
+  $r = tagadelic($uid,$count,$type);
+
+  if($r) {
+	echo '<div class="tags" align="center">';
+	foreach($r as $rr) { 
+	  echo '<a href="'.$link .'/' . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ';
+	}
+	echo '</div>';
+  }
+}