const PARAM_REQUIRE_LOGIN = 'kb.require_login';

const PARAM_KB_ROOTS = 'kb.roots';

const SESSION_ARTICLE_LIST = 'kb_article_list';

function isVisible() {

$require_login = DAO_CommunityToolProperty::get(UmPortalHelper::getCode(),self::PARAM_REQUIRE_LOGIN, 0);

$umsession = UmPortalHelper::getSession();

$active_user = $umsession->getProperty('sc_login', null);

// If we're requiring log in...

if($require_login && empty($active_user))

return false;

// Disable the KB if no categories were selected

$sKbRoots = DAO_CommunityToolProperty::get(UmPortalHelper::getCode(),self::PARAM_KB_ROOTS, '');

$kb_roots = !empty($sKbRoots) ? unserialize($sKbRoots) : array();

return !empty($kb_roots);

}

function writeResponse(DevblocksHttpResponse $response) {

$tpl = DevblocksPlatform::getTemplateService();

$tpl_path = dirname(dirname(dirname(__FILE__))) . '/templates/';

$umsession = UmPortalHelper::getSession();

$active_user = $umsession->getProperty('sc_login', null);

$stack = $response->path;

array_shift($stack); // kb

// KB Roots

$sKbRoots = DAO_CommunityToolProperty::get(UmPortalHelper::getCode(),self::PARAM_KB_ROOTS, '');

$kb_roots = !empty($sKbRoots) ? unserialize($sKbRoots) : array();

$kb_roots_str = '0';

if(!empty($kb_roots))

$kb_roots_str = implode(',', array_keys($kb_roots));

switch(array_shift($stack)) {

case 'search':

@$q = DevblocksPlatform::importGPC($_REQUEST['q'],'string','');

$tpl->assign('q', $q);

if(null == ($view = UmScAbstractViewLoader::getView('', UmSc_KbArticleView::DEFAULT_ID))) {

$view = new UmSc_KbArticleView();

}

$view->name = "";

$view->params = array(

array(

DevblocksSearchCriteria::GROUP_OR,

new DevblocksSearchCriteria(SearchFields_KbArticle::TITLE,DevblocksSearchCriteria::OPER_FULLTEXT,$q),

new DevblocksSearchCriteria(SearchFields_KbArticle::CONTENT,DevblocksSearchCriteria::OPER_FULLTEXT,$q),

),

new DevblocksSearchCriteria(SearchFields_KbArticle::TOP_CATEGORY_ID,'in',array_keys($kb_roots))

);

UmScAbstractViewLoader::setView($view->id, $view);

$tpl->assign('view', $view);

$tpl->display("file:${tpl_path}portal/sc/kb/search_results.tpl");

break;

case 'article':

if(empty($kb_roots))

return;

$id = intval(array_shift($stack));

list($articles, $count) = DAO_KbArticle::search(

array(

new DevblocksSearchCriteria(SearchFields_KbArticle::ID,'=',$id),

new DevblocksSearchCriteria(SearchFields_KbArticle::TOP_CATEGORY_ID,'in',array_keys($kb_roots))

),

-1,

0,

null,

null,

false

);

if(!isset($articles[$id]))

break;

$article = DAO_KbArticle::get($id);

$tpl->assign('article', $article);

@$article_list = $umsession->getProperty(self::SESSION_ARTICLE_LIST, array());

if(!empty($article) && !isset($article_list[$id])) {

DAO_KbArticle::update($article->id, array(

DAO_KbArticle::VIEWS => ++$article->views

));

$article_list[$id] = $id;

$umsession->setProperty(self::SESSION_ARTICLE_LIST, $article_list);

}

$categories = DAO_KbCategory::getWhere();

$tpl->assign('categories', $categories);

$cats = DAO_KbArticle::getCategoriesByArticleId($id);

$breadcrumbs = array();

foreach($cats as $cat_id) {

if(!isset($breadcrumbs[$cat_id]))

$breadcrumbs[$cat_id] = array();

$pid = $cat_id;

while($pid) {

$breadcrumbs[$cat_id][] = $pid;

$pid = $categories[$pid]->parent_id;

}

$breadcrumbs[$cat_id] = array_reverse($breadcrumbs[$cat_id]);

// Remove any breadcrumbs not in this SC profile

$pid = reset($breadcrumbs[$cat_id]);

if(!isset($kb_roots[$pid]))

unset($breadcrumbs[$cat_id]);

}

$tpl->assign('breadcrumbs',$breadcrumbs);

$tpl->display("file:${tpl_path}portal/sc/kb/article.tpl");

break;

default:

case 'browse':

@$root = intval(array_shift($stack));

$tpl->assign('root_id', $root);

$categories = DAO_KbCategory::getWhere();

$tpl->assign('categories', $categories);

$tree_map = DAO_KbCategory::getTreeMap(0);

// Remove other top-level categories

if(is_array($tree_map[0]))

foreach($tree_map[0] as $child_id => $count) {

if(!isset($kb_roots[$child_id]))

unset($tree_map[0][$child_id]);

}

// Remove empty categories

if(is_array($tree_map[0]))

foreach($tree_map as $node_id => $children) {

foreach($children as $child_id => $count) {

if(empty($count)) {

@$pid = $categories[$child_id]->parent_id;

unset($tree_map[$pid][$child_id]);

unset($tree_map[$child_id]);

}

}

}

$tpl->assign('tree', $tree_map);

// Breadcrumb // [TODO] API-ize inside Model_KbTree ?

$breadcrumb = array();

$pid = $root;

while(0 != $pid) {

$breadcrumb[] = $pid;

$pid = $categories[$pid]->parent_id;

}

$tpl->assign('breadcrumb',array_reverse($breadcrumb));

$tpl->assign('mid', @intval(ceil(count($tree_map[$root])/2)));

// Articles

if(null == ($view = UmScAbstractViewLoader::getView('', UmSc_KbArticleView::DEFAULT_ID))) {

$view = new UmSc_KbArticleView();

}

if(!empty($root)) {

$view->params = array(

new DevblocksSearchCriteria(SearchFields_KbArticle::CATEGORY_ID,'=',$root),

new DevblocksSearchCriteria(SearchFields_KbArticle::TOP_CATEGORY_ID,'in',array_keys($kb_roots)),

);

} else {

// Most Popular Articles

$view->params = array(

new DevblocksSearchCriteria(SearchFields_KbArticle::TOP_CATEGORY_ID,'in',array_keys($kb_roots)),

);

}

$view->name = "";

$view->renderSortBy = SearchFields_KbArticle::VIEWS;

$view->renderSortAsc = false;

$view->renderLimit = 10;

UmScAbstractViewLoader::setView($view->id, $view);

$tpl->assign('view', $view);

$tpl->display("file:${tpl_path}portal/sc/kb/index.tpl");

break;

}

}

function configure() {

$tpl = DevblocksPlatform::getTemplateService();

$tpl_path = dirname(dirname(dirname(__FILE__))) . '/templates/';

$require_login = DAO_CommunityToolProperty::get(UmPortalHelper::getCode(),self::PARAM_REQUIRE_LOGIN, 0);

$tpl->assign('kb_require_login', $require_login);

// Knowledgebase

$tree_map = DAO_KbCategory::getTreeMap();

$tpl->assign('tree_map', $tree_map);

$levels = DAO_KbCategory::getTree(0);

$tpl->assign('levels', $levels);

$categories = DAO_KbCategory::getWhere();

$tpl->assign('categories', $categories);

$sKbRoots = DAO_CommunityToolProperty::get(UmPortalHelper::getCode(),self::PARAM_KB_ROOTS, '');

$kb_roots = !empty($sKbRoots) ? unserialize($sKbRoots) : array();

$tpl->assign('kb_roots', $kb_roots);

$tpl->display("file:${tpl_path}portal/sc/config/kb.tpl");

}

function saveConfiguration() {

@$iRequireLogin = DevblocksPlatform::importGPC($_POST['kb_require_login'],'integer',0);

DAO_CommunityToolProperty::set(UmPortalHelper::getCode(), self::PARAM_REQUIRE_LOGIN, $iRequireLogin);

// KB

@$aKbRoots = DevblocksPlatform::importGPC($_POST['category_ids'],'array',array());

$aKbRoots = array_flip($aKbRoots);

DAO_CommunityToolProperty::set(UmPortalHelper::getCode(), self::PARAM_KB_ROOTS, serialize($aKbRoots));

}

const DEFAULT_ID = 'sc_kb';

private $_TPL_PATH = '';

function __construct() {

$this->_TPL_PATH = dirname(dirname(dirname(__FILE__))) . '/templates/';

$this->id = self::DEFAULT_ID;

$this->name = 'Articles';

$this->renderSortBy = 'kb_updated';

$this->renderSortAsc = false;

$this->view_columns = array(

SearchFields_KbArticle::TITLE,

SearchFields_KbArticle::UPDATED,

SearchFields_KbArticle::VIEWS,

);

}

function getData() {

$objects = DAO_KbArticle::search(

$this->params,

$this->renderLimit,

$this->renderPage,

$this->renderSortBy,

$this->renderSortAsc

);

return $objects;

}

function render() {

//$this->_sanitize();

$tpl = DevblocksPlatform::getTemplateService();

$tpl->assign('id', $this->id);

$tpl->assign('view', $this);

$tpl->cache_lifetime = "0";

$tpl->assign('view_fields', $this->getColumns());

$tpl->display('file:' . $this->_TPL_PATH . 'portal/sc/kb/view.tpl');

}

static function getFields() {

return SearchFields_KbArticle::getFields();

}

static function getSearchFields() {

$fields = self::getFields();

unset($fields[SearchFields_KbArticle::ID]);

unset($fields[SearchFields_KbArticle::FORMAT]);

return $fields;

}

static function getColumns() {

return self::getFields();

}

};