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authorfriendica <info@friendica.com>2013-09-17 22:52:46 -0700
committerfriendica <info@friendica.com>2013-09-17 22:52:46 -0700
commitf7acc94bfedae6f23e0bc883541ca23132e95a06 (patch)
tree856b4828ff44ece7cb04a5881b57b269a06a86b8
parentd3aa31be4d84764e4d119343d8bc5eba5a84272b (diff)
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provide the back-end for a directory tag cloud
-rw-r--r--include/taxonomy.php60
-rw-r--r--mod/dirsearch.php10
2 files changed, 69 insertions, 1 deletions
diff --git a/include/taxonomy.php b/include/taxonomy.php
index b6803743a..b8180f7c8 100644
--- a/include/taxonomy.php
+++ b/include/taxonomy.php
@@ -99,6 +99,7 @@ function format_term_for_display($term) {
function tagadelic($uid, $count = 0, $authors = '', $flags = 0, $type = TERM_HASHTAG) {
$sql_options = '';
+ $count = intval($count);
if($flags)
$sql_options .= " and ((item_flags & " . intval($flags) . ") = " . intval($flags) . ") ";
@@ -157,6 +158,47 @@ function tags_sort($a,$b) {
}
+function dir_tagadelic($count = 0) {
+
+ $sql_options = '';
+ $count = intval($count);
+
+ // Fetch tags
+ $r = q("select xtag_term, count(xtag_term) as total from xtag
+ group by term order by total desc %s",
+ ((intval($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['xtag_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 $tags;
+}
+
+
function tagblock($link,$uid,$count = 0,$authors = '',$flags = 0,$type = TERM_HASHTAG) {
$o = '';
$tab = 0;
@@ -172,6 +214,24 @@ function tagblock($link,$uid,$count = 0,$authors = '',$flags = 0,$type = TERM_HA
return $o;
}
+function dir_tagblock($link,$r) {
+ $o = '';
+ $tab = 0;
+
+ if($r) {
+ $o = '<div class="dirtagblock widget"><h3>' . t('Keywords') . '</h3><div class="tags" align="center">';
+ foreach($r as $rr) {
+ $o .= '<a href="'.$link .'/' . '?f=&keyword=' . urlencode($rr['term']).'" class="tag'.$rr['weight'].'">'.$rr['term'].'</a> ' . "\r\n";
+ }
+ $o .= '</div></div>';
+ }
+ return $o;
+}
+
+
+
+
+
/**
* verbs: [0] = first person singular, e.g. "I want", [1] = 3rd person singular, e.g. "Bill wants"
diff --git a/mod/dirsearch.php b/mod/dirsearch.php
index a285d9b8c..0a4d0ed2b 100644
--- a/mod/dirsearch.php
+++ b/mod/dirsearch.php
@@ -175,7 +175,15 @@ function dirsearch_content(&$a) {
}
$ret['results'] = $entries;
-
+ if(! $sync) {
+ $k = dir_tagadelic(24);
+ if($k) {
+ $ret['keywords'] = array();
+ foreach($k as $kv) {
+ $ret['keywords'][] = array('term' => $kv[0],'weight' => $kv[1]);
+ }
+ }
+ }
}
json_return_and_die($ret);