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<?php
/**
* @package Joomla.Site
* @subpackage mod_articles_category
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\String\StringHelper;
$com_path = JPATH_SITE . '/components/com_content/';
JLoader::register('ContentHelperRoute', $com_path . 'helpers/route.php');
JModelLegacy::addIncludePath($com_path . 'models', 'ContentModel');
/**
* Helper for mod_articles_category
*
* @since 1.6
*/
abstract class ModArticlesCategoryHelper
{
/**
* Get a list of articles from a specific category
*
* @param \Joomla\Registry\Registry &$params object holding the models parameters
*
* @return mixed
*
* @since 1.6
*/
public static function getList(&$params)
{
// Get an instance of the generic articles model
$articles = JModelLegacy::getInstance('Articles', 'ContentModel', array('ignore_request' => true));
// Set application parameters in model
$app = JFactory::getApplication();
$appParams = $app->getParams();
$articles->setState('params', $appParams);
$articles->setState('list.start', 0);
$articles->setState('filter.published', 1);
// Set the filters based on the module params
$articles->setState('list.limit', (int) $params->get('count', 0));
$articles->setState('load_tags', $params->get('show_tags', 0) || $params->get('article_grouping', 'none') === 'tags');
// Access filter
$access = !JComponentHelper::getParams('com_content')->get('show_noauth');
$authorised = JAccess::getAuthorisedViewLevels(JFactory::getUser()->get('id'));
$articles->setState('filter.access', $access);
// Prep for Normal or Dynamic Modes
$mode = $params->get('mode', 'normal');
switch ($mode)
{
case 'dynamic' :
$option = $app->input->get('option');
$view = $app->input->get('view');
if ($option === 'com_content')
{
switch ($view)
{
case 'category' :
case 'categories' :
$catids = array($app->input->getInt('id'));
break;
case 'article' :
if ($params->get('show_on_article_page', 1))
{
$article_id = $app->input->getInt('id');
$catid = $app->input->getInt('catid');
if (!$catid)
{
// Get an instance of the generic article model
$article = JModelLegacy::getInstance('Article', 'ContentModel', array('ignore_request' => true));
$article->setState('params', $appParams);
$article->setState('filter.published', 1);
$article->setState('article.id', (int) $article_id);
$item = $article->getItem();
$catids = array($item->catid);
}
else
{
$catids = array($catid);
}
}
else
{
// Return right away if show_on_article_page option is off
return;
}
break;
case 'featured' :
default:
// Return right away if not on the category or article views
return;
}
}
else
{
// Return right away if not on a com_content page
return;
}
break;
case 'normal' :
default:
$catids = $params->get('catid');
$articles->setState('filter.category_id.include', (bool) $params->get('category_filtering_type', 1));
break;
}
// Category filter
if ($catids)
{
if ($params->get('show_child_category_articles', 0) && (int) $params->get('levels', 0) > 0)
{
// Get an instance of the generic categories model
$categories = JModelLegacy::getInstance('Categories', 'ContentModel', array('ignore_request' => true));
$categories->setState('params', $appParams);
$levels = $params->get('levels', 1) ?: 9999;
$categories->setState('filter.get_children', $levels);
$categories->setState('filter.published', 1);
$categories->setState('filter.access', $access);
$additional_catids = array();
foreach ($catids as $catid)
{
$categories->setState('filter.parentId', $catid);
$recursive = true;
$items = $categories->getItems($recursive);
if ($items)
{
foreach ($items as $category)
{
$condition = (($category->level - $categories->getParent()->level) <= $levels);
if ($condition)
{
$additional_catids[] = $category->id;
}
}
}
}
$catids = array_unique(array_merge($catids, $additional_catids));
}
$articles->setState('filter.category_id', $catids);
}
// Ordering
$ordering = $params->get('article_ordering', 'a.ordering');
switch ($ordering)
{
case 'random':
$articles->setState('list.ordering', JFactory::getDbo()->getQuery(true)->Rand());
break;
case 'rating_count':
case 'rating':
$articles->setState('list.ordering', $ordering);
$articles->setState('list.direction', $params->get('article_ordering_direction', 'ASC'));
if (!JPluginHelper::isEnabled('content', 'vote'))
{
$articles->setState('list.ordering', 'a.ordering');
}
break;
default:
$articles->setState('list.ordering', $ordering);
$articles->setState('list.direction', $params->get('article_ordering_direction', 'ASC'));
break;
}
// Filter by multiple tags
$articles->setState('filter.tag', $params->get('filter_tag', array()));
$articles->setState('filter.featured', $params->get('show_front', 'show'));
$articles->setState('filter.author_id', $params->get('created_by', array()));
$articles->setState('filter.author_id.include', $params->get('author_filtering_type', 1));
$articles->setState('filter.author_alias', $params->get('created_by_alias', array()));
$articles->setState('filter.author_alias.include', $params->get('author_alias_filtering_type', 1));
$excluded_articles = $params->get('excluded_articles', '');
if ($excluded_articles)
{
$excluded_articles = explode("\r\n", $excluded_articles);
$articles->setState('filter.article_id', $excluded_articles);
// Exclude
$articles->setState('filter.article_id.include', false);
}
$date_filtering = $params->get('date_filtering', 'off');
if ($date_filtering !== 'off')
{
$articles->setState('filter.date_filtering', $date_filtering);
$articles->setState('filter.date_field', $params->get('date_field', 'a.created'));
$articles->setState('filter.start_date_range', $params->get('start_date_range', '1000-01-01 00:00:00'));
$articles->setState('filter.end_date_range', $params->get('end_date_range', '9999-12-31 23:59:59'));
$articles->setState('filter.relative_date', $params->get('relative_date', 30));
}
// Filter by language
$articles->setState('filter.language', $app->getLanguageFilter());
$items = $articles->getItems();
// Display options
$show_date = $params->get('show_date', 0);
$show_date_field = $params->get('show_date_field', 'created');
$show_date_format = $params->get('show_date_format', 'Y-m-d H:i:s');
$show_category = $params->get('show_category', 0);
$show_hits = $params->get('show_hits', 0);
$show_author = $params->get('show_author', 0);
$show_introtext = $params->get('show_introtext', 0);
$introtext_limit = $params->get('introtext_limit', 100);
// Find current Article ID if on an article page
$option = $app->input->get('option');
$view = $app->input->get('view');
if ($option === 'com_content' && $view === 'article')
{
$active_article_id = $app->input->getInt('id');
}
else
{
$active_article_id = 0;
}
// Prepare data for display using display options
foreach ($items as &$item)
{
$item->slug = $item->id . ':' . $item->alias;
/** @deprecated Catslug is deprecated, use catid instead. 4.0 */
$item->catslug = $item->catid . ':' . $item->category_alias;
if ($access || in_array($item->access, $authorised))
{
// We know that user has the privilege to view the article
$item->link = JRoute::_(ContentHelperRoute::getArticleRoute($item->slug, $item->catid, $item->language));
}
else
{
$menu = $app->getMenu();
$menuitems = $menu->getItems('link', 'index.php?option=com_users&view=login');
if (isset($menuitems[0]))
{
$Itemid = $menuitems[0]->id;
}
elseif ($app->input->getInt('Itemid') > 0)
{
// Use Itemid from requesting page only if there is no existing menu
$Itemid = $app->input->getInt('Itemid');
}
$item->link = JRoute::_('index.php?option=com_users&view=login&Itemid=' . $Itemid);
}
// Used for styling the active article
$item->active = $item->id == $active_article_id ? 'active' : '';
$item->displayDate = '';
if ($show_date)
{
$item->displayDate = JHtml::_('date', $item->$show_date_field, $show_date_format);
}
if ($item->catid)
{
$item->displayCategoryLink = JRoute::_(ContentHelperRoute::getCategoryRoute($item->catid));
$item->displayCategoryTitle = $show_category ? '<a href="' . $item->displayCategoryLink . '">' . $item->category_title . '</a>' : '';
}
else
{
$item->displayCategoryTitle = $show_category ? $item->category_title : '';
}
$item->displayHits = $show_hits ? $item->hits : '';
$item->displayAuthorName = $show_author ? $item->author : '';
if ($show_introtext)
{
$item->introtext = JHtml::_('content.prepare', $item->introtext, '', 'mod_articles_category.content');
$item->introtext = self::_cleanIntrotext($item->introtext);
}
$item->displayIntrotext = $show_introtext ? self::truncate($item->introtext, $introtext_limit) : '';
$item->displayReadmore = $item->alternative_readmore;
}
return $items;
}
/**
* Strips unnecessary tags from the introtext
*
* @param string $introtext introtext to sanitize
*
* @return mixed|string
*
* @since 1.6
*/
public static function _cleanIntrotext($introtext)
{
$introtext = str_replace(array('<p>','</p>'), ' ', $introtext);
$introtext = strip_tags($introtext, '<a><em><strong>');
$introtext = trim($introtext);
return $introtext;
}
/**
* Method to truncate introtext
*
* The goal is to get the proper length plain text string with as much of
* the html intact as possible with all tags properly closed.
*
* @param string $html The content of the introtext to be truncated
* @param integer $maxLength The maximum number of charactes to render
*
* @return string The truncated string
*
* @since 1.6
*/
public static function truncate($html, $maxLength = 0)
{
$baseLength = strlen($html);
// First get the plain text string. This is the rendered text we want to end up with.
$ptString = JHtml::_('string.truncate', $html, $maxLength, $noSplit = true, $allowHtml = false);
for ($maxLength; $maxLength < $baseLength;)
{
// Now get the string if we allow html.
$htmlString = JHtml::_('string.truncate', $html, $maxLength, $noSplit = true, $allowHtml = true);
// Now get the plain text from the html string.
$htmlStringToPtString = JHtml::_('string.truncate', $htmlString, $maxLength, $noSplit = true, $allowHtml = false);
// If the new plain text string matches the original plain text string we are done.
if ($ptString === $htmlStringToPtString)
{
return $htmlString;
}
// Get the number of html tag characters in the first $maxlength characters
$diffLength = strlen($ptString) - strlen($htmlStringToPtString);
// Set new $maxlength that adjusts for the html tags
$maxLength += $diffLength;
if ($baseLength <= $maxLength || $diffLength <= 0)
{
return $htmlString;
}
}
return $html;
}
/**
* Groups items by field
*
* @param array $list list of items
* @param string $fieldName name of field that is used for grouping
* @param string $article_grouping_direction ordering direction
* @param null $fieldNameToKeep field name to keep
*
* @return array
*
* @since 1.6
*/
public static function groupBy($list, $fieldName, $article_grouping_direction, $fieldNameToKeep = null)
{
$grouped = array();
if (!is_array($list))
{
if ($list == '')
{
return $grouped;
}
$list = array($list);
}
foreach ($list as $key => $item)
{
if (!isset($grouped[$item->$fieldName]))
{
$grouped[$item->$fieldName] = array();
}
if ($fieldNameToKeep === null)
{
$grouped[$item->$fieldName][$key] = $item;
}
else
{
$grouped[$item->$fieldName][$key] = $item->$fieldNameToKeep;
}
unset($list[$key]);
}
$article_grouping_direction($grouped);
return $grouped;
}
/**
* Groups items by date
*
* @param array $list list of items
* @param string $type type of grouping
* @param string $article_grouping_direction ordering direction
* @param string $month_year_format date format to use
* @param string $field date field to group by
*
* @return array
*
* @since 1.6
*/
public static function groupByDate($list, $type = 'year', $article_grouping_direction = 'ksort', $month_year_format = 'F Y', $field = 'created')
{
$grouped = array();
if (!is_array($list))
{
if ($list == '')
{
return $grouped;
}
$list = array($list);
}
foreach ($list as $key => $item)
{
switch ($type)
{
case 'month_year' :
$month_year = StringHelper::substr($item->$field, 0, 7);
if (!isset($grouped[$month_year]))
{
$grouped[$month_year] = array();
}
$grouped[$month_year][$key] = $item;
break;
case 'year' :
default:
$year = StringHelper::substr($item->$field, 0, 4);
if (!isset($grouped[$year]))
{
$grouped[$year] = array();
}
$grouped[$year][$key] = $item;
break;
}
unset($list[$key]);
}
$article_grouping_direction($grouped);
if ($type === 'month_year')
{
foreach ($grouped as $group => $items)
{
$date = new JDate($group);
$formatted_group = $date->format($month_year_format);
$grouped[$formatted_group] = $items;
unset($grouped[$group]);
}
}
return $grouped;
}
/**
* Groups items by tags
*
* @param array $list list of items
* @param string $direction ordering direction
*
* @return array
*
* @since 3.9.0
*/
public static function groupByTags($list, $direction = 'ksort')
{
$grouped = array();
$untagged = array();
if (!$list)
{
return $grouped;
}
foreach ($list as $item)
{
if ($item->tags->itemTags)
{
foreach ($item->tags->itemTags as $tag)
{
$grouped[$tag->title][] = $item;
}
}
else
{
$untagged[] = $item;
}
}
$direction($grouped);
if ($untagged)
{
$grouped['MOD_ARTICLES_CATEGORY_UNTAGGED'] = $untagged;
}
return $grouped;
}
}
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