require_once(INSTALLDIR.'/actions/showstream.php');
define('TAGS_PER_PAGE', 100);
-define('AGE_FACTOR', 864000.0);
-
-class TagAction extends StreamAction {
-
- function handle($args) {
-
- parent::handle($args);
-
- # Looks like we're good; show the header
-
- if (isset($args['tag']) && $args['tag']) {
- $tag = $args['tag'];
- common_show_header(sprintf(_("Notices tagged with %s"), $tag),
- array($this, 'show_header'), $tag,
- array($this, 'show_top'));
-
- $this->show_notices($tag);
- } else {
- common_show_header(_("Tags"),
- array($this, 'show_header'), '',
- array($this, 'show_top'));
- $this->show_tags();
- }
-
- common_show_footer();
- }
-
- function show_header($tag = false) {
- if (false && $tag) {
- common_element('link', array('rel' => 'alternate',
- 'href' => common_local_url('tagrss', array('tag' => $tag)),
- 'type' => 'application/rss+xml',
- 'title' => sprintf(_('Feed for tag %s'), $tag)));
- }
- }
-
- function get_instructions() {
- return _('Showing most popular tags from the last week');
- }
-
- function show_top($tag = false) {
- if (!$tag) {
- $instr = $this->get_instructions();
- $output = common_markup_to_html($instr);
- common_element_start('div', 'instructions');
- common_raw($output);
- common_element_end('div');
- }
-
- common_element_start('ul', array('id' => 'nav_views'));
-
- common_menu_item(common_local_url('tags'),
- _('Recent Tags'),
- _('Recent Tags'),
- !$tag);
- if ($tag) {
- common_menu_item(common_local_url('tag', array('tag' => $tag)),
- '#' . $tag,
- sprintf(_("Notices tagged with %s"), $tag),
- true);
- }
- common_element_end('ul');
- }
-
- function show_tags()
- {
- # This should probably be cached rather than recalculated
- $tags = DB_DataObject::factory('Notice_tag');
- $tags->selectAdd('max(notice_id) as last_notice_id');
- $tags->selectAdd(sprintf('sum(exp(-(now() - created)/%f)) as weight', AGE_FACTOR));
- $tags->groupBy('tag');
- $tags->orderBy('weight DESC');
-
- # $tags->whereAdd('created > "' . strftime('%Y-%m-%d %H:%M:%S', strtotime('-1 MONTH')) . '"');
-
- $tags->limit(TAGS_PER_PAGE);
-
- $cnt = $tags->find();
-
- if ($cnt > 0) {
- common_element_start('p', 'tagcloud');
-
- $tw = array();
- $sum = 0;
- while ($tags->fetch()) {
- $tw[$tags->tag] = $tags->weight;
- $sum += $tags->weight;
- }
-
- foreach ($tw as $tag => $weight) {
- $this->show_tag($tag, $weight, $weight/$sum);
- }
-
- common_element_end('p');
- }
- }
-
- function show_tag($tag, $weight, $relative) {
-
- # XXX: these should probably tune to the size of the site
- $cls = ($relative > 0.1) ? 'largest' :
- ($relative > 0.05) ? 'verylarge' :
- ($relative > 0.02) ? 'large' :
- ($relative > 0.01) ? 'medium' :
- ($relative > 0.005) ? 'small' :
- ($relative > 0.002) ? 'verysmall' :
- 'smallest';
-
- common_element('a', array('class' => "$cls weight-$weight",
- 'href' => common_local_url('tag', array('tag' => $tag))),
- $tag);
- common_text(' ');
- }
-
- function show_notices($tag) {
-
- $tags = DB_DataObject::factory('Notice_tag');
-
- $tags->tag = $tag;
-
- $tags->orderBy('created DESC');
-
- $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
-
- $tags->limit((($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
-
- $cnt = $tags->find();
-
- if ($cnt > 0) {
- common_element_start('ul', array('id' => 'notices'));
- for ($i = 0; $i < min($cnt, NOTICES_PER_PAGE); $i++) {
- if ($tags->fetch()) {
- $notice = new Notice();
- $notice->id = $tags->notice_id;
- $result = $notice->find(true);
- if (!$result) {
- continue;
- }
- $this->show_notice($notice);
- } else {
- // shouldn't happen!
- break;
- }
- }
- common_element_end('ul');
- }
-
- common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
- $page, 'tag', array('tag' => $tag));
- }
+
+class TagAction extends StreamAction
+{
+
+ function handle($args)
+ {
+
+ parent::handle($args);
+
+ # Looks like we're good; show the header
+
+ if (isset($args['tag']) && $args['tag']) {
+ $tag = $args['tag'];
+ common_show_header(sprintf(_("Notices tagged with %s"), $tag),
+ array($this, 'show_header'), $tag,
+ array($this, 'show_top'));
+ $this->show_notices($tag);
+ } else {
+ common_show_header(_("Tags"),
+ array($this, 'show_header'), '',
+ array($this, 'show_top'));
+ $this->show_tags();
+ }
+
+ common_show_footer();
+ }
+
+ function show_header($tag = false)
+ {
+ if ($tag) {
+ $this->element('link', array('rel' => 'alternate',
+ 'href' => common_local_url('tagrss', array('tag' => $tag)),
+ 'type' => 'application/rss+xml',
+ 'title' => sprintf(_('Feed for tag %s'), $tag)));
+ }
+ }
+
+ function get_instructions()
+ {
+ return _('Showing most popular tags from the last week');
+ }
+
+ function show_top($tag = false)
+ {
+ if (!$tag) {
+ $instr = $this->get_instructions();
+ $output = common_markup_to_html($instr);
+ $this->elementStart('div', 'instructions');
+ $this->raw($output);
+ $this->elementEnd('div');
+ $this->public_views_menu();
+ }
+ else {
+ $this->show_feeds_list(array(0=>array('href'=>common_local_url('tagrss'),
+ 'type' => 'rss',
+ 'version' => 'RSS 1.0',
+ 'item' => 'tagrss')));
+ }
+ }
+
+ function show_tags()
+ {
+ # This should probably be cached rather than recalculated
+ $tags = DB_DataObject::factory('Notice_tag');
+
+ #Need to clear the selection and then only re-add the field
+ #we are grouping by, otherwise it's not a valid 'group by'
+ #even though MySQL seems to let it slide...
+ $tags->selectAdd();
+ $tags->selectAdd('tag');
+
+ #Add the aggregated columns...
+ $tags->selectAdd('max(notice_id) as last_notice_id');
+ if(common_config('db','type')=='pgsql') {
+ $calc='sum(exp(-extract(epoch from (now()-created))/%s)) as weight';
+ } else {
+ $calc='sum(exp(-(now() - created)/%s)) as weight';
+ }
+ $tags->selectAdd(sprintf($calc, common_config('tag', 'dropoff')));
+ $tags->groupBy('tag');
+ $tags->orderBy('weight DESC');
+
+ # $tags->whereAdd('created > "' . strftime('%Y-%m-%d %H:%M:%S', strtotime('-1 MONTH')) . '"');
+
+ $tags->limit(TAGS_PER_PAGE);
+
+ $cnt = $tags->find();
+
+ if ($cnt > 0) {
+ $this->elementStart('p', 'tagcloud');
+
+ $tw = array();
+ $sum = 0;
+ while ($tags->fetch()) {
+ $tw[$tags->tag] = $tags->weight;
+ $sum += $tags->weight;
+ }
+
+ ksort($tw);
+
+ foreach ($tw as $tag => $weight) {
+ $this->show_tag($tag, $weight, $weight/$sum);
+ }
+
+ $this->elementEnd('p');
+ }
+ }
+
+ function show_tag($tag, $weight, $relative)
+ {
+
+ # XXX: these should probably tune to the size of the site
+ if ($relative > 0.1) {
+ $cls = 'largest';
+ } else if ($relative > 0.05) {
+ $cls = 'verylarge';
+ } else if ($relative > 0.02) {
+ $cls = 'large';
+ } else if ($relative > 0.01) {
+ $cls = 'medium';
+ } else if ($relative > 0.005) {
+ $cls = 'small';
+ } else if ($relative > 0.002) {
+ $cls = 'verysmall';
+ } else {
+ $cls = 'smallest';
+ }
+
+ $this->element('a', array('class' => "$cls weight-$weight relative-$relative",
+ 'href' => common_local_url('tag', array('tag' => $tag))),
+ $tag);
+ $this->text(' ');
+ }
+
+ function show_notices($tag)
+ {
+
+ $cnt = 0;
+
+ $page = ($this->arg('page')) ? ($this->arg('page')+0) : 1;
+
+ $notice = Notice_tag::getStream($tag, (($page-1)*NOTICES_PER_PAGE), NOTICES_PER_PAGE + 1);
+
+ $cnt = $this->show_notice_list($notice);
+
+ common_pagination($page > 1, $cnt > NOTICES_PER_PAGE,
+ $page, 'tag', array('tag' => $tag));
+ }
}
projects / quix0rs-gnu-social.git / blobdiff