/**
* Validate tags when saving a discussion.
*/
public function DiscussionModel_BeforeSaveDiscussion_Handler($Sender)
{
if (!C('Plugins.Tagging.Enabled')) {
return;
}
$FormPostValues = GetValue('FormPostValues', $Sender->EventArguments, array());
$TagsString = trim(strtolower(GetValue('Tags', $FormPostValues, '')));
$NumTagsMax = C('Plugin.Tagging.Max', 5);
// Tags can only contain unicode and the following ASCII: a-z 0-9 + # _ .
if (StringIsNullOrEmpty($TagsString) && C('Plugins.Tagging.Required')) {
$Sender->Validation->AddValidationResult('Tags', 'You must specify at least one tag.');
} else {
$Tags = TagModel::SplitTags($TagsString);
if (!TagModel::ValidateTags($Tags)) {
$Sender->Validation->AddValidationResult('Tags', '@' . T('ValidateTag', 'Tags cannot contain spaces.'));
} elseif (count($Tags) > $NumTagsMax) {
$Sender->Validation->AddValidationResult('Tags', '@' . sprintf(T('You can only specify up to %s tags.'), $NumTagsMax));
}
}
}
/**
* Add the tag input to the discussion form.
* @param Gdn_Controller $Sender
*/
public function PostController_AfterDiscussionFormOptions_Handler($Sender)
{
if (in_array($Sender->RequestMethod, array('discussion', 'editdiscussion', 'question'))) {
// Setup, get most popular tags
$TagModel = TagModel::instance();
$Tags = $TagModel->GetWhere(array('Type' => array_keys($TagModel->defaultTypes())), 'CountDiscussions', 'desc', C('Plugins.Tagging.ShowLimit', 50))->Result(DATASET_TYPE_ARRAY);
$TagsHtml = count($Tags) ? '' : T('No tags have been created yet.');
$Tags = Gdn_DataSet::Index($Tags, 'FullName');
ksort($Tags);
// The tags must be fetched.
if ($Sender->Request->IsPostBack()) {
$tag_ids = TagModel::SplitTags($Sender->Form->GetFormValue('Tags'));
$tags = TagModel::instance()->GetWhere(array('TagID' => $tag_ids))->ResultArray();
$tags = ConsolidateArrayValuesByKey($tags, 'FullName', 'TagID');
} else {
// The tags should be set on the data.
$tags = ConsolidateArrayValuesByKey($Sender->Data('Tags', array()), 'TagID', 'FullName');
$xtags = $Sender->Data('XTags', array());
foreach (TagModel::instance()->defaultTypes() as $key => $row) {
if (isset($xtags[$key])) {
$xtags2 = ConsolidateArrayValuesByKey($xtags[$key], 'TagID', 'FullName');
foreach ($xtags2 as $id => $name) {
$tags[$id] = $name;
}
}
}
}
echo '<div class="Form-Tags P">';
// Tag text box
echo $Sender->Form->Label('Tags', 'Tags');
echo $Sender->Form->TextBox('Tags', array('data-tags' => json_encode($tags)));
// Available tags
echo Wrap(Anchor(T('Show popular tags'), '#'), 'span', array('class' => 'ShowTags'));
foreach ($Tags as $Tag) {
$TagsHtml .= Anchor(htmlspecialchars($Tag['FullName']), '#', 'AvailableTag', array('data-name' => $Tag['Name'], 'data-id' => $Tag['TagID'])) . ' ';
}
echo Wrap($TagsHtml, 'div', array('class' => 'Hidden AvailableTags'));
echo '</div>';
}
}
/**
*
*
* @param $discussion_id
* @param $tags
* @param array $types
* @param int $category_id
* @param string $new_type
* @throws Exception
*/
public function saveDiscussion($discussion_id, $tags, $types = array(''), $category_id = 0, $new_type = '')
{
// First grab all of the current tags.
$all_tags = $current_tags = $this->getDiscussionTags($discussion_id, TagModel::IX_TAGID);
// Put all the default tag types in the types if necessary.
if (in_array('', $types)) {
$types = array_merge($types, array_keys($this->defaultTypes()));
$types = array_unique($types);
}
// Remove the types from the current tags that we don't need anymore.
$current_tags = array_filter($current_tags, function ($row) use($types) {
if (in_array($row['Type'], $types)) {
return true;
}
return false;
});
// Turn the tags into a nice array.
if (is_string($tags)) {
$tags = TagModel::SplitTags($tags);
}
$new_tags = array();
$tag_ids = array();
// See which tags are new and which ones aren't.
foreach ($tags as $tag_id) {
if (is_id($tag_id)) {
$tag_ids[$tag_id] = true;
} else {
$new_tags[TagModel::tagSlug($tag_id)] = $tag_id;
}
}
// See if any of the new tags actually exist by searching by name.
if (!empty($new_tags)) {
$found_tags = $this->getWhere(array('Name' => array_keys($new_tags)))->resultArray();
foreach ($found_tags as $found_tag_row) {
$tag_ids[$found_tag_row['TagID']] = $found_tag_row;
unset($new_tags[TagModel::TagSlug($found_tag_row['Name'])]);
}
}
// Add any remaining tags that need to be added.
if (Gdn::session()->checkPermission('Plugins.Tagging.Add')) {
foreach ($new_tags as $name => $full_name) {
$new_tag = array('Name' => trim(str_replace(' ', '-', strtolower($name)), '-'), 'FullName' => $full_name, 'Type' => $new_type, 'CategoryID' => $category_id, 'InsertUserID' => Gdn::session()->UserID, 'DateInserted' => Gdn_Format::toDateTime(), 'CountDiscussions' => 0);
$tag_id = $this->SQL->options('Ignore', true)->insert('Tag', $new_tag);
$tag_ids[$tag_id] = true;
}
}
// Grab the tags so we can see more information about them.
$save_tags = $this->getWhere(array('TagID' => array_keys($tag_ids)))->resultArray();
// Add any parent tags that may need to be added.
foreach ($save_tags as $save_tag) {
$parent_tag_id = val('ParentTagID', $save_tag);
if ($parent_tag_id) {
$tag_ids[$parent_tag_id] = true;
}
$all_tags[$save_tag['TagID']] = $save_tag;
}
// Remove tags that are already associated with the discussion.
// $same_tag_ids = array_intersect_key($tag_ids, $current_tags);
// $current_tags = array_diff_key($current_tags, $same_tag_ids);
// $tag_ids = array_diff_key($tag_ids, $same_tag_ids);
// Figure out the tags we need to add.
$insert_tag_ids = array_diff_key($tag_ids, $current_tags);
// Figure out the tags we need to remove.
$delete_tag_ids = array_diff_key($current_tags, $tag_ids);
$now = Gdn_Format::toDateTime();
// Insert the new tag mappings.
foreach ($insert_tag_ids as $tag_id => $bool) {
if (isset($all_tags[$tag_id])) {
$insert_category_id = $all_tags[$tag_id]['CategoryID'];
} else {
$insert_category_id = $category_id;
}
$this->SQL->options('Ignore', true)->insert('TagDiscussion', array('DiscussionID' => $discussion_id, 'TagID' => $tag_id, 'DateInserted' => $now, 'CategoryID' => $insert_category_id));
}
// Delete the old tag mappings.
if (!empty($delete_tag_ids)) {
$this->SQL->delete('TagDiscussion', array('DiscussionID' => $discussion_id, 'TagID' => array_keys($delete_tag_ids)));
}
// Increment the tag counts.
if (!empty($insert_tag_ids)) {
$this->SQL->update('Tag')->set('CountDiscussions', 'CountDiscussions + 1', false)->whereIn('TagID', array_keys($insert_tag_ids))->put();
}
// Decrement the tag counts.
if (!empty($delete_tag_ids)) {
$this->SQL->update('Tag')->set('CountDiscussions', 'CountDiscussions - 1', false)->whereIn('TagID', array_keys($delete_tag_ids))->put();
}
}