dbFields = array(
'label'=>'search',
'wordsToCachePerPage'=>300
);
}
public function form()
{
global $L;
$html = '
';
$html .= $this->description();
$html .= '
';
$html .= '
';
$html .= '';
$html .= '';
$html .= ''.$L->get('This title is almost always used in the sidebar of the site').'';
$html .= '
';
return $html;
}
// HTML for sidebar
public function siteSidebar()
{
$html = '
';
$html .= '
'.$this->getValue('label').'
';
$html .= '
';
$html .= ' ';
$html .= '';
$html .= '
';
$html .= '
';
return $html;
}
public function install($position=0)
{
parent::install($position);
return $this->createCache();
}
// Method called when the user click on button save in the settings of the plugin
public function post()
{
parent::post();
$this->createCache();
}
public function afterPageCreate()
{
$this->createCache();
}
public function afterPageModify()
{
$this->createCache();
}
public function afterPageDelete()
{
$this->createCache();
}
public function beforeAll()
{
// Check if the URL match with the webhook
$webhook = 'search';
if ($this->webhook($webhook, false, false)) {
global $site;
global $url;
// Change the whereAmI to avoid load pages in the rule 69.pages
// This is only for performance propose
$url->setWhereAmI('search');
// Get the string to search from the URL
$stringToSearch = $this->webhook($webhook, true, false);
$stringToSearch = trim($stringToSearch, '/');
// Search the string in the cache and get all pages with matches
$list = $this->search($stringToSearch);
$this->numberOfItems = count($list);
// Split the content in pages
// The first page number is 1, so the real is 0
$realPageNumber = $url->pageNumber() - 1;
$itemsPerPage = $site->itemsPerPage();
$chunks = array_chunk($list, $itemsPerPage);
if (isset($chunks[$realPageNumber])) {
$this->pagesFound = $chunks[$realPageNumber];
}
}
}
public function paginator()
{
$webhook = 'search';
if ($this->webhook($webhook, false, false)) {
// Get the pre-defined variable from the rule 99.paginator.php
// Is necessary to change this variable to fit the paginator with the result from the search
global $numberOfItems;
$numberOfItems = $this->numberOfItems;
}
}
public function beforeSiteLoad()
{
$webhook = 'search';
if ($this->webhook($webhook, false, false)) {
global $url;
// Get the pre-defined variable from the rule 69.pages.php
// We change the content to show in the website
global $content;
$content = array();
foreach ($this->pagesFound as $pageKey) {
try {
$page = new Page($pageKey);
array_push($content, $page);
} catch (Exception $e) {
// continue
}
}
}
}
// Generate the cache file
// This function is necessary to call it when you create, edit or remove content
private function createCache()
{
// Get all pages published
global $pages;
$list = $pages->getList($pageNumber = 1, $numberOfItems = -1, $onlyPublished = true);
$cache = array();
foreach ($list as $pageKey) {
$page = buildPage($pageKey);
// Process content
$words = $this->getValue('wordsToCachePerPage') * 5; // Asumming avg of characters per word is 5
$content = $page->content();
$content = Text::removeHTMLTags($content);
$content = Text::truncate($content, $words, '');
// Include the page to the cache
$cache[$pageKey]['title'] = $page->title();
$cache[$pageKey]['description'] = $page->description();
$cache[$pageKey]['content'] = $content;
$cache[$pageKey]['key'] = $pageKey;
}
// Generate JSON file with the cache
$json = json_encode($cache);
return file_put_contents($this->cacheFile(), $json, LOCK_EX);
}
// Returns the absolute path of the cache file
private function cacheFile()
{
return $this->workspace().'cache.json';
}
// Search text inside the cache
// Returns an array with the pages keys related to the text
// The array is sorted by score
private function search($text)
{
// Read the cache file
$json = file_get_contents($this->cacheFile());
$cache = json_decode($json, true);
$found = array();
foreach ($cache as $page) {
$score = 0;
if (Text::stringContains($page['title'], $text, false)) {
$score += 10;
}
if (Text::stringContains($page['description'], $text, false)) {
$score += 7;
}
if (Text::stringContains($page['content'], $text, false)) {
$score += 5;
}
if ($score>0) {
$found[$page['key']] = $score;
}
}
// Sort array by the score, from max to min
arsort($found);
// Returns only the keys of the array contained the page key
return array_keys($found);
}
}