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provide a tag cloud for app categories and allow filtering apps from this

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This commit is contained in:
redmatrix
2016-05-04 18:27:46 -07:00
parent 1b6bc5394b
commit 566667a263
6 changed files with 98 additions and 3 deletions
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69
include/taxonomy.php
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@@ -183,6 +183,10 @@ function tagadelic($uid, $count = 0, $authors = '', $owner = '', $flags = 0, $re
}
function tags_sort($a,$b) {
if(strtolower($a[0]) == strtolower($b[0]))
return 0;
@@ -231,6 +235,71 @@ function dir_tagadelic($count = 0) {
}
function app_tagblock($link,$count = 0) {
$o = '';
$r = app_tagadelic($count);
if($r) {
$o = '<div class="tagblock widget"><h3>' . t('Categories') . '</h3><div class="tags" align="center">';
foreach($r as $rr) {
$o .= '<a href="'.$link .'/' . '?f=&cat=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
}
$o .= '</div></div>';
}
return $o;
}
function app_tagadelic($count = 0) {
if(! local_channel())
return '';
$count = intval($count);
// Fetch tags
$r = q("select term, count(term) as total from term left join app on term.uid = app_channel where term.uid = %d
and term.otype = %d group by term order by total desc %s",
intval(local_channel()),
intval(TERM_OBJ_APP),
((intval($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(9 * ($tags[$x][1] - $min) / $range);
}
return $tags;
}
function tagblock($link,$uid,$count = 0,$authors = '',$owner = '', $flags = 0,$restrict = 0,$type = TERM_HASHTAG) {
$o = '';