public function execute()
{
$params = $this->extractRequestParams();
$prop = array_flip($params['prop']);
$fld_displayname = isset($prop['displayname']);
$fld_description = isset($prop['description']);
$fld_hitcount = isset($prop['hitcount']);
$fld_defined = isset($prop['defined']);
$fld_source = isset($prop['source']);
$fld_active = isset($prop['active']);
$limit = $params['limit'];
$result = $this->getResult();
$extensionDefinedTags = array_fill_keys(ChangeTags::listExtensionDefinedTags(), 0);
$explicitlyDefinedTags = array_fill_keys(ChangeTags::listExplicitlyDefinedTags(), 0);
$extensionActivatedTags = array_fill_keys(ChangeTags::listExtensionActivatedTags(), 0);
$definedTags = array_merge($extensionDefinedTags, $explicitlyDefinedTags);
# Fetch defined tags that aren't past the continuation
if ($params['continue'] !== null) {
$cont = $params['continue'];
$tags = array_filter(array_keys($definedTags), function ($v) use($cont) {
return $v >= $cont;
});
$tags = array_fill_keys($tags, 0);
} else {
$tags = $definedTags;
}
# Merge in all used tags
$this->addTables('change_tag');
$this->addFields('ct_tag');
$this->addFields(array('hitcount' => $fld_hitcount ? 'COUNT(*)' : '0'));
$this->addOption('LIMIT', $limit + 1);
$this->addOption('GROUP BY', 'ct_tag');
$this->addWhereRange('ct_tag', 'newer', $params['continue'], null);
$res = $this->select(__METHOD__);
foreach ($res as $row) {
$tags[$row->ct_tag] = (int) $row->hitcount;
}
# Now make sure the array is sorted for proper continuation
ksort($tags);
$count = 0;
foreach ($tags as $tagName => $hitcount) {
if (++$count > $limit) {
$this->setContinueEnumParameter('continue', $tagName);
break;
}
$tag = array();
$tag['name'] = $tagName;
if ($fld_displayname) {
$tag['displayname'] = ChangeTags::tagDescription($tagName);
}
if ($fld_description) {
$msg = $this->msg("tag-{$tagName}-description");
$tag['description'] = $msg->exists() ? $msg->text() : '';
}
if ($fld_hitcount) {
$tag['hitcount'] = $hitcount;
}
$isExtension = isset($extensionDefinedTags[$tagName]);
$isExplicit = isset($explicitlyDefinedTags[$tagName]);
if ($fld_defined) {
$tag['defined'] = $isExtension || $isExplicit;
}
if ($fld_source) {
$tag['source'] = array();
if ($isExtension) {
$tag['source'][] = 'extension';
}
if ($isExplicit) {
$tag['source'][] = 'manual';
}
}
if ($fld_active) {
$tag['active'] = $isExplicit || isset($extensionActivatedTags[$tagName]);
}
$fit = $result->addValue(array('query', $this->getModuleName()), null, $tag);
if (!$fit) {
$this->setContinueEnumParameter('continue', $tagName);
break;
}
}
$result->addIndexedTagName(array('query', $this->getModuleName()), 'tag');
}
function showTagList()
{
$out = $this->getOutput();
$out->setPageTitle($this->msg('tags-title'));
$out->wrapWikiMsg("<div class='mw-tags-intro'>\n\$1\n</div>", 'tags-intro');
$user = $this->getUser();
$userCanManage = $user->isAllowed('managechangetags');
$userCanDelete = $user->isAllowed('deletechangetags');
$userCanEditInterface = $user->isAllowed('editinterface');
// Show form to create a tag
if ($userCanManage) {
$fields = ['Tag' => ['type' => 'text', 'label' => $this->msg('tags-create-tag-name')->plain(), 'required' => true], 'Reason' => ['type' => 'text', 'label' => $this->msg('tags-create-reason')->plain(), 'size' => 50], 'IgnoreWarnings' => ['type' => 'hidden']];
$form = new HTMLForm($fields, $this->getContext());
$form->setAction($this->getPageTitle('create')->getLocalURL());
$form->setWrapperLegendMsg('tags-create-heading');
$form->setHeaderText($this->msg('tags-create-explanation')->parseAsBlock());
$form->setSubmitCallback([$this, 'processCreateTagForm']);
$form->setSubmitTextMsg('tags-create-submit');
$form->show();
// If processCreateTagForm generated a redirect, there's no point
// continuing with this, as the user is just going to end up getting sent
// somewhere else. Additionally, if we keep going here, we end up
// populating the memcache of tag data (see ChangeTags::listDefinedTags)
// with out-of-date data from the slave, because the slave hasn't caught
// up to the fact that a new tag has been created as part of an implicit,
// as yet uncommitted transaction on master.
if ($out->getRedirect() !== '') {
return;
}
}
// Used to get hitcounts for #doTagRow()
$tagStats = ChangeTags::tagUsageStatistics();
// Used in #doTagRow()
$this->explicitlyDefinedTags = array_fill_keys(ChangeTags::listExplicitlyDefinedTags(), true);
$this->extensionDefinedTags = array_fill_keys(ChangeTags::listExtensionDefinedTags(), true);
// List all defined tags, even if they were never applied
$definedTags = array_keys(array_merge($this->explicitlyDefinedTags, $this->extensionDefinedTags));
// Show header only if there exists atleast one tag
if (!$tagStats && !$definedTags) {
return;
}
// Write the headers
$html = Xml::tags('tr', null, Xml::tags('th', null, $this->msg('tags-tag')->parse()) . Xml::tags('th', null, $this->msg('tags-display-header')->parse()) . Xml::tags('th', null, $this->msg('tags-description-header')->parse()) . Xml::tags('th', null, $this->msg('tags-source-header')->parse()) . Xml::tags('th', null, $this->msg('tags-active-header')->parse()) . Xml::tags('th', null, $this->msg('tags-hitcount-header')->parse()) . ($userCanManage ? Xml::tags('th', ['class' => 'unsortable'], $this->msg('tags-actions-header')->parse()) : ''));
// Used in #doTagRow()
$this->extensionActivatedTags = array_fill_keys(ChangeTags::listExtensionActivatedTags(), true);
// Insert tags that have been applied at least once
foreach ($tagStats as $tag => $hitcount) {
$html .= $this->doTagRow($tag, $hitcount, $userCanManage, $userCanDelete, $userCanEditInterface);
}
// Insert tags defined somewhere but never applied
foreach ($definedTags as $tag) {
if (!isset($tagStats[$tag])) {
$html .= $this->doTagRow($tag, 0, $userCanManage, $userCanDelete, $userCanEditInterface);
}
}
$out->addHTML(Xml::tags('table', ['class' => 'mw-datatable sortable mw-tags-table'], $html));
}
function showTagList()
{
$out = $this->getOutput();
$out->setPageTitle($this->msg('tags-title'));
$out->wrapWikiMsg("<div class='mw-tags-intro'>\n\$1\n</div>", 'tags-intro');
$user = $this->getUser();
// Show form to create a tag
if ($user->isAllowed('managechangetags')) {
$fields = array('Tag' => array('type' => 'text', 'label' => $this->msg('tags-create-tag-name')->plain(), 'required' => true), 'Reason' => array('type' => 'text', 'label' => $this->msg('tags-create-reason')->plain(), 'size' => 50), 'IgnoreWarnings' => array('type' => 'hidden'));
$form = new HTMLForm($fields, $this->getContext());
$form->setAction($this->getPageTitle('create')->getLocalURL());
$form->setWrapperLegendMsg('tags-create-heading');
$form->setHeaderText($this->msg('tags-create-explanation')->plain());
$form->setSubmitCallback(array($this, 'processCreateTagForm'));
$form->setSubmitTextMsg('tags-create-submit');
$form->show();
// If processCreateTagForm generated a redirect, there's no point
// continuing with this, as the user is just going to end up getting sent
// somewhere else. Additionally, if we keep going here, we end up
// populating the memcache of tag data (see ChangeTags::listDefinedTags)
// with out-of-date data from the slave, because the slave hasn't caught
// up to the fact that a new tag has been created as part of an implicit,
// as yet uncommitted transaction on master.
if ($out->getRedirect() !== '') {
return;
}
}
// Whether to show the "Actions" column in the tag list
// If any actions added in the future require other user rights, add those
// rights here
$showActions = $user->isAllowed('managechangetags');
// Write the headers
$tagUsageStatistics = ChangeTags::tagUsageStatistics();
// Show header only if there exists atleast one tag
if (!$tagUsageStatistics) {
return;
}
$html = Xml::tags('tr', null, Xml::tags('th', null, $this->msg('tags-tag')->parse()) . Xml::tags('th', null, $this->msg('tags-display-header')->parse()) . Xml::tags('th', null, $this->msg('tags-description-header')->parse()) . Xml::tags('th', null, $this->msg('tags-source-header')->parse()) . Xml::tags('th', null, $this->msg('tags-active-header')->parse()) . Xml::tags('th', null, $this->msg('tags-hitcount-header')->parse()) . ($showActions ? Xml::tags('th', array('class' => 'unsortable'), $this->msg('tags-actions-header')->parse()) : ''));
// Used in #doTagRow()
$this->explicitlyDefinedTags = array_fill_keys(ChangeTags::listExplicitlyDefinedTags(), true);
$this->extensionDefinedTags = array_fill_keys(ChangeTags::listExtensionDefinedTags(), true);
$this->extensionActivatedTags = array_fill_keys(ChangeTags::listExtensionActivatedTags(), true);
foreach ($tagUsageStatistics as $tag => $hitcount) {
$html .= $this->doTagRow($tag, $hitcount, $showActions);
}
$out->addHTML(Xml::tags('table', array('class' => 'mw-datatable sortable mw-tags-table'), $html));
}
