<?php
class DAO_Feed extends Cerb_ORMHelper {
	const ID = 'id';
	const NAME = 'name';
	const URL = 'url';
	
	private function __construct() {}

	static function getFields() {
		$validation = DevblocksPlatform::services()->validation();
		
		// int(10) unsigned
		$validation
			->addField(self::ID)
			->id()
			->setEditable(false)
			;
		// varchar(255)
		$validation
			->addField(self::NAME)
			->string()
			->setMaxLength(255)
			->setRequired(true)
			;
		// varchar(255)
		$validation
			->addField(self::URL)
			->string()
			->setMaxLength(255)
			->setRequired(true)
			;
		$validation
			->addField('_fieldsets')
			->string()
			->setMaxLength(65535)
			;
		$validation
			->addField('_links')
			->string()
			->setMaxLength(65535)
			;
			
		return $validation->getFields();
	}

	static function create($fields) {
		$db = DevblocksPlatform::services()->database();
		
		$sql = "INSERT INTO feed () VALUES ()";
		$db->ExecuteMaster($sql);
		$id = $db->LastInsertId();
		
		CerberusContexts::checkpointCreations(CerberusContexts::CONTEXT_FEED, $id);
		
		self::update($id, $fields);
		
		return $id;
	}
	
	static function update($ids, $fields) {
		$context = CerberusContexts::CONTEXT_FEED;
		self::_updateAbstract($context, $ids, $fields);
		
		parent::_update($ids, 'feed', $fields);
	}
	
	static function updateWhere($fields, $where) {
		parent::_updateWhere('feed', $fields, $where);
	}
	
	static public function onBeforeUpdateByActor($actor, &$fields, $id=null, &$error=null) {
		$context = CerberusContexts::CONTEXT_FEED;
		
		if(!self::_onBeforeUpdateByActorCheckContextPrivs($actor, $context, $id, $error))
			return false;
		
		return true;
	}
	
	/**
	 * @param string $where
	 * @param mixed $sortBy
	 * @param mixed $sortAsc
	 * @param integer $limit
	 * @return Model_Feed[]
	 */
	static function getWhere($where=null, $sortBy=null, $sortAsc=true, $limit=null) {
		$db = DevblocksPlatform::services()->database();

		list($where_sql, $sort_sql, $limit_sql) = self::_getWhereSQL($where, $sortBy, $sortAsc, $limit);
		
		// SQL
		$sql = "SELECT id, name, url ".
			"FROM feed ".
			$where_sql.
			$sort_sql.
			$limit_sql
		;
		$rs = $db->QueryReader($sql);
		
		return self::_getObjectsFromResult($rs);
	}

	/**
	 * @param integer $id
	 * @return Model_Feed
	 */
	static function get($id) {
		if(empty($id))
			return null;
		
		$objects = self::getWhere(sprintf("%s = %d",
			self::ID,
			$id
		));
		
		if(array_key_exists($id, $objects))
			return $objects[$id];
		
		return null;
	}
	
	/**
	 * 
	 * @param array $ids
	 * @return Model_Feed[]
	 */
	static function getIds(array $ids) : array {
		return parent::getIds($ids);
	}
	
	/**
	 * @param mysqli_result|false $rs
	 * @return Model_Feed[]
	 */
	static private function _getObjectsFromResult($rs) {
		$objects = [];
		
		if(!($rs instanceof mysqli_result))
			return false;
		
		while($row = mysqli_fetch_assoc($rs)) {
			$object = new Model_Feed();
			$object->id = intval($row['id']);
			$object->name = $row['name'];
			$object->url = $row['url'];
			$objects[$object->id] = $object;
		}
		
		mysqli_free_result($rs);
		
		return $objects;
	}
	
	static function delete($ids) {
		$db = DevblocksPlatform::services()->database();
		
		if(!is_array($ids)) $ids = [$ids];
		$ids = DevblocksPlatform::sanitizeArray($ids, 'int');
		
		if(empty($ids)) return false;
		
		$context = CerberusContexts::CONTEXT_FEED;
		$ids_list = implode(',', self::qstrArray($ids));
		
		parent::_deleteAbstractBefore($context, $ids);
		
		// [TODO] ...and all the items' associated content (comments/links/etc)
		// [TODO] Use DAO_FeedItem::deleteByFeedId() to delete feed content
		$db->ExecuteMaster(sprintf("DELETE FROM feed_item WHERE feed_id IN (%s)", $ids_list));
		$db->ExecuteMaster(sprintf("DELETE FROM feed WHERE id IN (%s)", $ids_list));
		
		parent::_deleteAbstractAfter($context, $ids);
		
		return true;
	}
	
	public static function random() {
		return self::_getRandom('feed');
	}
	
	public static function getSearchQueryComponents($columns, $params, $sortBy=null, $sortAsc=null) {
		$fields = SearchFields_Feed::getFields();
		
		list(,$wheres) = parent::_parseSearchParams($params, $columns, 'SearchFields_Feed', $sortBy);
		
		$select_sql = sprintf("SELECT ".
			"feed.id as %s, ".
			"feed.name as %s, ".
			"feed.url as %s ",
				SearchFields_Feed::ID,
				SearchFields_Feed::NAME,
				SearchFields_Feed::URL
			);
			
		$join_sql = "FROM feed ";
		
		$where_sql = "".
			(!empty($wheres) ? sprintf("WHERE %s ",implode(' AND ',$wheres)) : "WHERE 1 ");
			
		$sort_sql = self::_buildSortClause($sortBy, $sortAsc, $fields, $select_sql, 'SearchFields_Feed');
	
		return array(
			'primary_table' => 'feed',
			'select' => $select_sql,
			'join' => $join_sql,
			'where' => $where_sql,
			'sort' => $sort_sql,
		);
	}
	
	/**
	 *
	 * @param array $columns
	 * @param DevblocksSearchCriteria[] $params
	 * @param integer $limit
	 * @param integer $page
	 * @param string $sortBy
	 * @param boolean $sortAsc
	 * @param boolean $withCounts
	 * @return array
	 * @throws Exception_DevblocksDatabaseQueryTimeout
	 */
	static function search($columns, $params, $limit=10, $page=0, $sortBy=null, $sortAsc=null, $withCounts=true) {
		// Build search queries
		$query_parts = self::getSearchQueryComponents($columns,$params,$sortBy,$sortAsc);

		$select_sql = $query_parts['select'];
		$join_sql = $query_parts['join'];
		$where_sql = $query_parts['where'];
		$sort_sql = $query_parts['sort'];
		
		return self::_searchWithTimeout(
			SearchFields_Feed::ID,
			$select_sql,
			$join_sql,
			$where_sql,
			$sort_sql,
			$page,
			$limit,
			$withCounts
		);
	}

};

class SearchFields_Feed extends DevblocksSearchFields {
	const ID = 't_id';
	const NAME = 't_name';
	const URL = 't_url';
	
	// Virtuals
	const VIRTUAL_CONTEXT_LINK = '*_context_link';
	const VIRTUAL_HAS_FIELDSET = '*_has_fieldset';
	const VIRTUAL_WATCHERS = '*_workers';
	
	static private $_fields = null;
	
	static function getPrimaryKey() {
		return 'feed.id';
	}
	
	static function getCustomFieldContextKeys() {
		return array(
			CerberusContexts::CONTEXT_FEED => new DevblocksSearchFieldContextKeys('feed.id', self::ID),
		);
	}
	
	static function getWhereSQL(DevblocksSearchCriteria $param) {
		switch($param->field) {
			case self::VIRTUAL_CONTEXT_LINK:
				return self::_getWhereSQLFromContextLinksField($param, CerberusContexts::CONTEXT_FEED, self::getPrimaryKey());
				
			case self::VIRTUAL_HAS_FIELDSET:
				return self::_getWhereSQLFromFieldset($param, CerberusContexts::CONTEXT_FEED, self::getPrimaryKey());
				
			case self::VIRTUAL_WATCHERS:
				return self::_getWhereSQLFromWatchersField($param, CerberusContexts::CONTEXT_FEED, self::getPrimaryKey());
				
			default:
				if(DevblocksPlatform::strStartsWith($param->field, 'cf_')) {
					return self::_getWhereSQLFromCustomFields($param);
				} else {
					return $param->getWhereSQL(self::getFields(), self::getPrimaryKey());
				}
		}
	}
	
	static function getFieldForSubtotalKey($key, $context, array $query_fields, array $search_fields, $primary_key) {
		switch($key) {
		}
		
		return parent::getFieldForSubtotalKey($key, $context, $query_fields, $search_fields, $primary_key);
	}
	
	static function getLabelsForKeyValues($key, $values) {
		switch($key) {
			case SearchFields_Feed::ID:
				$models = DAO_Feed::getIds($values);
				return array_column(DevblocksPlatform::objectsToArrays($models), 'name', 'id');
				break;
		}
		
		return parent::getLabelsForKeyValues($key, $values);
	}
	
	/**
	 * @return DevblocksSearchField[]
	 */
	static function getFields() {
		if(is_null(self::$_fields))
			self::$_fields = self::_getFields();
		
		return self::$_fields;
	}
	
	/**
	 * @return DevblocksSearchField[]
	 */
	static function _getFields() {
		$translate = DevblocksPlatform::getTranslationService();
		
		$columns = array(
			self::ID => new DevblocksSearchField(self::ID, 'feed', 'id', $translate->_('common.id'), null, true),
			self::NAME => new DevblocksSearchField(self::NAME, 'feed', 'name', $translate->_('common.name'), Model_CustomField::TYPE_SINGLE_LINE, true),
			self::URL => new DevblocksSearchField(self::URL, 'feed', 'url', $translate->_('common.url'), Model_CustomField::TYPE_SINGLE_LINE, true),

			self::VIRTUAL_CONTEXT_LINK => new DevblocksSearchField(self::VIRTUAL_CONTEXT_LINK, '*', 'context_link', $translate->_('common.links'), null, false),
			self::VIRTUAL_HAS_FIELDSET => new DevblocksSearchField(self::VIRTUAL_HAS_FIELDSET, '*', 'has_fieldset', $translate->_('common.fieldset'), null, false),
			self::VIRTUAL_WATCHERS => new DevblocksSearchField(self::VIRTUAL_WATCHERS, '*', 'workers', $translate->_('common.watchers'), 'WS', false),
		);
		
		// Custom fields with fieldsets
		
		$custom_columns = DevblocksSearchField::getCustomSearchFieldsByContexts(array_keys(self::getCustomFieldContextKeys()));
		
		if(is_array($custom_columns))
			$columns = array_merge($columns, $custom_columns);
		
		// Sort by label (translation-conscious)
		DevblocksPlatform::sortObjects($columns, 'db_label');

		return $columns;
	}
};

class Model_Feed extends DevblocksRecordModel {
	public $id;
	public $name;
	public $url;
};

class View_Feed extends C4_AbstractView implements IAbstractView_QuickSearch {
	const DEFAULT_ID = 'feeds';

	function __construct() {
		$translate = DevblocksPlatform::getTranslationService();
	
		$this->id = self::DEFAULT_ID;
		$this->name = $translate->_('Feeds');
		$this->renderLimit = 25;
		$this->renderSortBy = SearchFields_Feed::ID;
		$this->renderSortAsc = true;

		$this->view_columns = array(
			SearchFields_Feed::NAME,
			SearchFields_Feed::URL,
		);
		$this->addColumnsHidden(array(
			SearchFields_Feed::VIRTUAL_CONTEXT_LINK,
			SearchFields_Feed::VIRTUAL_HAS_FIELDSET,
			SearchFields_Feed::VIRTUAL_WATCHERS,
		));
		
		$this->doResetCriteria();
	}
	
	/**
	 * @return array|false
	 * @throws Exception_DevblocksDatabaseQueryTimeout
	 */
	protected function _getData() {
		return DAO_Feed::search(
			$this->view_columns,
			$this->getParams(),
			$this->renderLimit,
			$this->renderPage,
			$this->renderSortBy,
			$this->renderSortAsc,
			$this->renderTotal
		);
	}
	
	function getData() {
		$objects = $this->_getDataBoundedTimed();
		
		$this->_lazyLoadCustomFieldsIntoObjects($objects, 'SearchFields_Feed');
		
		return $objects;
	}
	
	function getDataAsObjects($ids=null, &$total=null) {
		return $this->_getDataAsObjects('DAO_Feed', $ids, $total);
	}
	
	function getDataSample($size) {
		return $this->_doGetDataSample('DAO_Feed', $size);
	}
	
	function getQuickSearchFields() {
		$search_fields = SearchFields_Feed::getFields();
		
		$fields = array(
			'text' => 
				array(
					'type' => DevblocksSearchCriteria::TYPE_TEXT,
					'options' => array('param_key' => SearchFields_Feed::NAME, 'match' => DevblocksSearchCriteria::OPTION_TEXT_PARTIAL),
				),
			'fieldset' =>
				array(
					'type' => DevblocksSearchCriteria::TYPE_VIRTUAL,
					'options' => array('param_key' => SearchFields_Feed::VIRTUAL_HAS_FIELDSET),
					'examples' => [
						['type' => 'search', 'context' => CerberusContexts::CONTEXT_CUSTOM_FIELDSET, 'qr' => 'context:' . CerberusContexts::CONTEXT_FEED],
					]
				),
			'id' => 
				array(
					'type' => DevblocksSearchCriteria::TYPE_NUMBER,
					'options' => array('param_key' => SearchFields_Feed::ID),
					'examples' => [
						['type' => 'chooser', 'context' => CerberusContexts::CONTEXT_FEED, 'q' => ''],
					]
				),
			'name' => 
				array(
					'type' => DevblocksSearchCriteria::TYPE_TEXT,
					'options' => array('param_key' => SearchFields_Feed::NAME, 'match' => DevblocksSearchCriteria::OPTION_TEXT_PARTIAL),
				),
			'url' => 
				array(
					'type' => DevblocksSearchCriteria::TYPE_TEXT,
					'options' => array('param_key' => SearchFields_Feed::URL, 'match' => DevblocksSearchCriteria::OPTION_TEXT_PARTIAL),
				),
			'watchers' => 
				array(
					'type' => DevblocksSearchCriteria::TYPE_VIRTUAL,
					'options' => array('param_key' => SearchFields_Feed::VIRTUAL_WATCHERS, 'match' => DevblocksSearchCriteria::OPTION_TEXT_PARTIAL),
					'examples' => [
						['type' => 'search', 'context' => CerberusContexts::CONTEXT_WORKER, 'q' => ''],
					],
				),
		);
		
		// Add quick search links
		
		$fields = self::_appendVirtualFiltersFromQuickSearchContexts('links', $fields, 'links', SearchFields_Feed::VIRTUAL_CONTEXT_LINK);
		
		// Add searchable custom fields
		
		$fields = self::_appendFieldsFromQuickSearchContext(CerberusContexts::CONTEXT_FEED, $fields, null);
		
		// Add is_sortable
		
		$fields = self::_setSortableQuickSearchFields($fields, $search_fields);
		
		// Sort by keys
		
		ksort($fields);
		
		return $fields;
	}
	
	function getParamFromQuickSearchFieldTokens($field, $tokens) {
		switch($field) {
			case 'fieldset':
				return DevblocksSearchCriteria::getVirtualQuickSearchParamFromTokens($field, $tokens, '*_has_fieldset');
			
			case 'watchers':
				return DevblocksSearchCriteria::getWatcherParamFromTokens(SearchFields_Feed::VIRTUAL_WATCHERS, $tokens);
				
			default:
				if($field == 'links' || substr($field, 0, 6) == 'links.')
					return DevblocksSearchCriteria::getContextLinksParamFromTokens($field, $tokens);
				
				$search_fields = $this->getQuickSearchFields();
				return DevblocksSearchCriteria::getParamFromQueryFieldTokens($field, $tokens, $search_fields);
		}
	}

	function render() {
		$this->_sanitize();
		
		$tpl = DevblocksPlatform::services()->template();
		$tpl->assign('id', $this->id);
		$tpl->assign('view', $this);

		// Custom fields
		$custom_fields = DAO_CustomField::getByContext(CerberusContexts::CONTEXT_FEED);
		$tpl->assign('custom_fields', $custom_fields);

		$tpl->display('devblocks:cerberusweb.feed_reader::feeds/feed/view.tpl');
	}

	function renderVirtualCriteria($param) {
		$key = $param->field;
		
		switch($key) {
			case SearchFields_Feed::VIRTUAL_CONTEXT_LINK:
				$this->_renderVirtualContextLinks($param);
				break;
			
			case SearchFields_Feed::VIRTUAL_HAS_FIELDSET:
				$this->_renderVirtualHasFieldset($param);
				break;
				
			case SearchFields_Feed::VIRTUAL_WATCHERS:
				$this->_renderVirtualWatchers($param);
				break;
		}
	}
	
	function renderCriteriaParam($param) {
		$field = $param->field;

		switch($field) {
			default:
				parent::renderCriteriaParam($param);
				break;
		}
	}

	function getFields() {
		return SearchFields_Feed::getFields();
	}

	function doSetCriteria($field, $oper, $value) {
		$criteria = null;

		switch($field) {
			case SearchFields_Feed::NAME:
			case SearchFields_Feed::URL:
				$criteria = $this->_doSetCriteriaString($field, $oper, $value);
				break;
				
			case SearchFields_Feed::ID:
				$criteria = new DevblocksSearchCriteria($field,$oper,$value);
				break;
				
				$context_links = DevblocksPlatform::importGPC($_POST['context_link'] ?? null,'array',[]);
				$criteria = new DevblocksSearchCriteria($field,DevblocksSearchCriteria::OPER_IN,$context_links);
				break;
				
			case SearchFields_Feed::VIRTUAL_HAS_FIELDSET:
				$options = DevblocksPlatform::importGPC($_POST['options'] ?? null,'array',[]);
				$criteria = new DevblocksSearchCriteria($field,DevblocksSearchCriteria::OPER_IN,$options);
				break;

			case SearchFields_Feed::VIRTUAL_WATCHERS:
				$worker_ids = DevblocksPlatform::importGPC($_POST['worker_id'] ?? null, 'array',[]);
				$criteria = new DevblocksSearchCriteria($field,$oper,$worker_ids);
				break;
				
			default:
				// Custom Fields
				if(substr($field,0,3)=='cf_') {
					$criteria = $this->_doSetCriteriaCustomField($field, substr($field,3));
				}
				break;
		}

		if(!empty($criteria)) {
			$this->addParam($criteria, $field);
			$this->renderPage = 0;
		}
	}
};

class Context_Feed extends Extension_DevblocksContext implements IDevblocksContextProfile, IDevblocksContextPeek, IDevblocksContextImport {
	const ID = CerberusContexts::CONTEXT_FEED;
	const URI = 'feed';
	
	static function isReadableByActor($models, $actor) {
		// Everyone can view
		return CerberusContexts::allowEverything($models);
	}
	
	static function isWriteableByActor($models, $actor) {
		// Everyone can modify
		return CerberusContexts::allowEverything($models);
	}
	
	static function isDeletableByActor($models, $actor) {
		return self::isWriteableByActor($models, $actor);
	}
	
	function getRandom() {
		return DAO_Feed::random();
	}
	
	function profileGetUrl($context_id) {
		if(empty($context_id))
			return '';
	
		$url_writer = DevblocksPlatform::services()->url();
		$url = $url_writer->writeNoProxy('c=profiles&type=feed&id='.$context_id, true);
		return $url;
	}
	
	function profileGetFields($model=null) {
		$translate = DevblocksPlatform::getTranslationService();
		$properties = [];
		
		if(is_null($model))
			$model = new Model_Feed();
		
		$properties['name'] = array(
			'label' => mb_ucfirst($translate->_('common.name')),
			'type' => Model_CustomField::TYPE_LINK,
			'value' => $model->id,
			'params' => [
				'context' => self::ID,
			],
		);
		
		$properties['url'] = array(
			'label' => mb_ucfirst($translate->_('common.url')),
			'type' => Model_CustomField::TYPE_URL,
			'value' => $model->url,
		);
		
		$properties['id'] = array(
			'label' => DevblocksPlatform::translate('common.id'),
			'type' => Model_CustomField::TYPE_NUMBER,
			'value' => $model->id,
		);
		
		return $properties;
	}
	
	function getMeta($context_id) {
		if(null == ($feed = DAO_Feed::get($context_id)))
			return [];
		
		$url = $this->profileGetUrl($context_id);
		
		$friendly = DevblocksPlatform::strToPermalink($feed->name);
		
		if(!empty($friendly))
			$url .= '-' . $friendly;
		
		return array(
			'id' => $feed->id,
			'name' => $feed->name,
			'permalink' => $url,
			'updated' => 0, // [TODO]
		);
	}
	
	function getPropertyLabels(DevblocksDictionaryDelegate $dict) {
		$labels = $dict->_labels;
		$prefix = $labels['_label'];
		
		if(!empty($prefix)) {
			array_walk($labels, function(&$label, $key) use ($prefix) {
				$label = preg_replace(sprintf("#^%s #", preg_quote($prefix)), '', $label);
				
				// [TODO] Use translations
				switch($key) {
				}
				
				$label = mb_convert_case($label, MB_CASE_LOWER);
				$label[0] = mb_convert_case($label[0], MB_CASE_UPPER);
			});
		}
		
		asort($labels);
		
		return $labels;
	}
	
	function getDefaultProperties() {
		return array(
			'url',
		);
	}
	
	function getContext($feed, &$token_labels, &$token_values, $prefix=null) {
		if(is_null($prefix))
			$prefix = 'Feed:';
		
		$translate = DevblocksPlatform::getTranslationService();
		$fields = DAO_CustomField::getByContext(CerberusContexts::CONTEXT_FEED);

		// Polymorph
		if(is_numeric($feed)) {
			$feed = DAO_Feed::get($feed);
		} elseif($feed instanceof Model_Feed) {
			// It's what we want already.
		} elseif(is_array($feed)) {
			$feed = Cerb_ORMHelper::recastArrayToModel($feed, 'Model_Feed');
		} else {
			$feed = null;
		}
		
		/* @var $feed Model_Feed */
		
		// Token labels
		$token_labels = array(
			'_label' => $prefix,
			'id' => $prefix.$translate->_('common.id'),
			'name' => $prefix.$translate->_('common.name'),
			'url' => $prefix.$translate->_('common.url'),
		);
		
		// Token types
		$token_types = array(
			'_label' => 'context_url',
			'id' => Model_CustomField::TYPE_NUMBER,
			'name' => Model_CustomField::TYPE_SINGLE_LINE,
			'url' => Model_CustomField::TYPE_URL,
		);
		
		// Custom field/fieldset token labels
		if(false !== ($custom_field_labels = $this->_getTokenLabelsFromCustomFields($fields, $prefix)) && is_array($custom_field_labels))
			$token_labels = array_merge($token_labels, $custom_field_labels);
		
		// Custom field/fieldset token types
		if(false !== ($custom_field_types = $this->_getTokenTypesFromCustomFields($fields, $prefix)) && is_array($custom_field_types))
			$token_types = array_merge($token_types, $custom_field_types);
		
		// Token values
		$token_values = [];
		
		$token_values['_context'] = Context_Feed::ID;
		$token_values['_type'] = Context_Feed::URI;
		
		$token_values['_types'] = $token_types;
		
		// Feed item token values
		if($feed) {
			$token_values['_loaded'] = true;
			$token_values['_label'] = $feed->name;
			$token_values['id'] = $feed->id;
			$token_values['name'] = $feed->name;
			$token_values['url'] = $feed->url;
			
			// Custom fields
			$token_values = $this->_importModelCustomFieldsAsValues($feed, $token_values);
			
			// URL
			$url_writer = DevblocksPlatform::services()->url();
			$token_values['record_url'] = $url_writer->writeNoProxy(sprintf("c=profiles&type=feed&id=%d-%s",$feed->id, DevblocksPlatform::strToPermalink($feed->name)), true);
		}
		
		return true;
	}
	
	function getKeyToDaoFieldMap() {
		return [
			'id' => DAO_Feed::ID,
			'links' => '_links',
			'name' => DAO_Feed::NAME,
			'url' => DAO_Feed::URL,
		];
	}
	
	function getKeyMeta($with_dao_fields=true) {
		$keys = parent::getKeyMeta($with_dao_fields);
		
		$keys['url']['notes'] = "The URL of the RSS feed";
		$keys['url']['type'] = "url";
		
		return $keys;
	}
	
	function getDaoFieldsFromKeyAndValue($key, $value, &$out_fields, $data, &$error) {
		switch(DevblocksPlatform::strLower($key)) {
		}
		
		return true;
	}
	
	function lazyLoadGetKeys() {
		$lazy_keys = parent::lazyLoadGetKeys();
		return $lazy_keys;
	}

	function lazyLoadContextValues($token, $dictionary) {
		if(!isset($dictionary['id']))
			return;
		
		$context = CerberusContexts::CONTEXT_FEED;
		$context_id = $dictionary['id'];
		
		$is_loaded = $dictionary['_loaded'] ?? false;
		$values = [];
		
		if(!$is_loaded) {
			$labels = [];
			CerberusContexts::getContext($context, $context_id, $labels, $values, null, true, true);
		}
		
		switch($token) {
			default:
				$defaults = $this->_lazyLoadDefaults($token, $dictionary);
				$values = array_merge($values, $defaults);
				break;
		}
		
		return $values;
	}

	function getChooserView($view_id=null) {
		if(empty($view_id))
			$view_id = 'chooser_'.str_replace('.','_',$this->id).time().mt_rand(0,9999);
		
		// View
		$defaults = C4_AbstractViewModel::loadFromClass($this->getViewClass());
		$defaults->id = $view_id;
		$defaults->is_ephemeral = true;

		$view = C4_AbstractViewLoader::getView($view_id, $defaults);
//		$view->name = 'Headlines';
//		$view->view_columns = array(
//			SearchFields_Feed::IS_OUTGOING,
//			SearchFields_Feed::PHONE,
//			SearchFields_Feed::UPDATED_DATE,
//		);
		$view->addParams(array(
			//SearchFields_FeedItem::IS_CLOSED => new DevblocksSearchCriteria(SearchFields_FeedItem::IS_CLOSED,'=',0),
		), true);
		$view->renderSortBy = SearchFields_Feed::ID;
		$view->renderSortAsc = false;
		$view->renderLimit = 10;
		$view->renderTemplate = 'contextlinks_chooser';
		
		return $view;
	}
	
	function getView($context=null, $context_id=null, $options=[], $view_id=null) {
		$view_id = !empty($view_id) ? $view_id : str_replace('.','_',$this->id);
		
		$defaults = C4_AbstractViewModel::loadFromClass($this->getViewClass());
		$defaults->id = $view_id;

		$view = C4_AbstractViewLoader::getView($view_id, $defaults);
		//$view->name = 'Calls';
		
		$params_req = [];
		
		if(!empty($context) && !empty($context_id)) {
			$params_req = array(
				new DevblocksSearchCriteria(SearchFields_Feed::VIRTUAL_CONTEXT_LINK,'in',array($context.':'.$context_id)),
			);
		}
		
		$view->addParamsRequired($params_req, true);
		
		$view->renderTemplate = 'context';
		return $view;
	}
	
	function renderPeekPopup($context_id=0, $view_id='', $edit=false) {
		$tpl = DevblocksPlatform::services()->template();
		$active_worker = CerberusApplication::getActiveWorker();
		$context = CerberusContexts::CONTEXT_FEED;
		
		$tpl->assign('view_id', $view_id);
		
		$model = null;
		
		if($context_id) {
			if(false == ($model = DAO_Feed::get($context_id)))
				DevblocksPlatform::dieWithHttpError(null, 404);
		}
		
		if(!$context_id || $edit) {
			if($model) {
				if(!Context_Feed::isWriteableByActor($model, $active_worker))
					DevblocksPlatform::dieWithHttpError(null, 403);
				
				$tpl->assign('model', $model);
			}
			
			// Custom fields
			$custom_fields = DAO_CustomField::getByContext($context, false);
			$tpl->assign('custom_fields', $custom_fields);
	
			$custom_field_values = DAO_CustomFieldValue::getValuesByContextIds($context, $context_id);
			if(isset($custom_field_values[$context_id]))
				$tpl->assign('custom_field_values', $custom_field_values[$context_id]);
			
			$types = Model_CustomField::getTypes();
			$tpl->assign('types', $types);
			
			// View
			$tpl->assign('id', $context_id);
			$tpl->assign('view_id', $view_id);
			$tpl->display('devblocks:cerberusweb.feed_reader::feeds/feed/peek_edit.tpl');
			
		} else {
			Page_Profiles::renderCard($context, $context_id, $model);
		}
	}
	
	function importGetKeys() {
		// [TODO] Translate
	
		$keys = array(
			'name' => array(
				'label' => 'Name',
				'type' => Model_CustomField::TYPE_SINGLE_LINE,
				'param' => SearchFields_Feed::NAME,
				'required' => true,
			),
			'url' => array(
				'label' => 'URL',
				'type' => Model_CustomField::TYPE_SINGLE_LINE,
				'param' => SearchFields_Feed::URL,
				'required' => true,
				'force_match' => true,
			),
		);
	
		$fields = SearchFields_Feed::getFields();
		self::_getImportCustomFields($fields, $keys);
	
		DevblocksPlatform::sortObjects($keys, '[label]', true);
	
		return $keys;
	}
	
	function importKeyValue($key, $value) {
		switch($key) {
		}
	
		return $value;
	}
	
	function importSaveObject(array $fields, array $custom_fields, array $meta) {
		// If new...
		if(!isset($meta['object_id']) || empty($meta['object_id'])) {
			// Make sure we have a name
			if(!isset($fields[DAO_Feed::NAME])) {
				$fields[DAO_Feed::NAME] = 'New ' . $this->manifest->name;
			}
	
			// Create
			$meta['object_id'] = DAO_Feed::create($fields);
	
		} else {
			// Update
			DAO_Feed::update($meta['object_id'], $fields);
		}
	
		// Custom fields
		if(!empty($custom_fields) && !empty($meta['object_id'])) {
			DAO_CustomFieldValue::formatAndSetFieldValues($this->manifest->id, $meta['object_id'], $custom_fields, false, true, true); //$is_blank_unset (4th)
		}
	}
};