<?php
/**
* SeekQuarry/Yioop --
* Open Source Pure PHP Search Engine, Crawler, and Indexer
*
* Copyright (C) 2009 - 2026 Chris Pollett chris@pollett.org
*
* LICENSE:
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* END LICENSE
*
* @author Chris Pollett chris@pollett.org
* @license https://www.gnu.org/licenses/ GPL3
* @link https://www.seekquarry.com/
* @copyright 2009 - 2026
* @filesource
*/
namespace seekquarry\yioop\views\elements;
use seekquarry\yioop as B;
use seekquarry\yioop\configs as C;
use seekquarry\yioop\library as L;
use seekquarry\yioop\library\CrawlConstants as CC;
/**
* Class to draw statistics and charts about trending news feed terms
*
* @author Chris Pollett
*/
class TrendingElement extends Element
{
/**
* Used to draw either trending news feed term scores or charts
*
* @param array $data contains stats to draw
*/
public function render($data)
{
if (empty($data['CONTAINER_LABEL']) ||
($data['CONTAINER_LABEL'] == 'center' &&
empty($data['LANDING_HIGHLIGHTS']))) {
if (empty($data['CHART_DATA'])) {
$this->renderTrendingPeriods($data);
} else {
$this->renderTermChart($data);
}
} else {
$this->renderLandingHighlights($data);
}
}
/**
* Used to draw top NUM_TRENDING hourly, daily, weekly term scores
*
* @param array $data contains stats to draw
*/
public function renderTrendingPeriods($data)
{
$date_map = [
C\ONE_HOUR => tl('trending_element_hourly'),
C\ONE_DAY => tl('trending_element_daily'),
C\ONE_WEEK => tl('trending_element_weekly'),
C\ONE_MONTH => tl('trending_element_monthly'),
C\ONE_YEAR => tl('trending_element_yearly'),
];
$query_dates = [ C\ONE_HOUR => 'h', C\ONE_DAY => 'd',
C\ONE_WEEK => 'w', C\ONE_MONTH => 'm', C\ONE_YEAR => 'y'
];
$logged_in = isset($data["ADMIN"]) && $data["ADMIN"];
$token = ($logged_in) ? $data[C\p('CSRF_TOKEN')] : "";
$token_string_amp = ($logged_in) ?
C\p('CSRF_TOKEN') . "=" . $data[C\p('CSRF_TOKEN')]."&" : "";
if(isset($data['TREND_DATA'])) {
?><div class='all-trends'><?php
if (!empty($data['CATEGORY_NAME'])) {
$search_url = B\subsearchURL($data['CATEGORY'] , true);
$added_term = "";
} else {
$search_url = C\SHORT_BASE_URL . "?";
$added_term = " media:" . $data['CATEGORY'];
$data['CATEGORY_NAME'] = ucfirst($data['CATEGORY']);
}
$base_chart_query = "chart:" . $data['CATEGORY'] . ":";?>
<h2 class="trending"><?=tl('trending_element_trending_terms',
$data['CATEGORY_NAME']);
?></h2>
<div class="trending-container"><?php
foreach($data['TREND_DATA'] as $period => $occurrences) {
if (empty($occurrences)) {
continue;
}
?>
<script>
function someChecked(trend_form)
{
let found_checked = false;
for (elt of trend_form) {
if (elt.checked) {
found_checked = true;
break;
}
}
if (!found_checked) {
alert('<?=tl('trending_element_check_element'); ?>');
}
return found_checked;
}
</script>
<div class="trending-float">
<form method="get" action="<?=C\SHORT_BASE_URL
?>" onsubmit="return someChecked(this);">
<input type="hidden" name="q" value="<?=$base_chart_query .
$query_dates[$period] ?>" >
<p><b><?=$date_map[$period]?></b>
<?php
if ($period !== C\ONE_HOUR) {?>
<button class="float-opposite" type="submit"><?=
tl('trending_element_chart')?></button></p><?php
} else {?>
<button class="float-opposite hidden" type="submit"><?=
tl('trending_element_chart')?></button></p><?php
}?>
<table class="trending-table">
<tr class="trending-tr">
<th class="trending-th"><?=
tl('trending_element_term')?></th>
<th class="trend-score trending-th"><?=
tl('trending_element_score'); ?></th></tr><?php
$background = "";
foreach($occurrences as $item) {
$background = empty($background) ?
" class='back-gray' " : "";
?>
<tr <?=$background ?>>
<td class="trending-td"><?php
if ($period != C\ONE_HOUR) {?>
<input type='checkbox'
name='term[<?=
urlencode($item['TERM'])
?>]' >
<?php
}
if (empty($data['CATEGORY_TYPE']) ||
$data['CATEGORY_TYPE'] != 'trending_value') { ?>
<a href="<?= $search_url . $token_string_amp .
"q=" . $item['TERM'] . $added_term ?>" ><?=
$item['TERM']?></a><?php
} else {
echo $item['TERM'];
}?></td><?php
if ($period == C\ONE_HOUR) {
?><td class="trend-score trending-td"><?=
number_format($item['OCCURRENCES'], 2);?></td>
<?php
} else {
?><td class="trend-score trending-td"><a href="<?=
C\SHORT_BASE_URL . "?" . $token_string_amp .
"q=$base_chart_query{$query_dates[$period]}:" .
urlencode(urlencode($item['TERM']));
?>"><?=
number_format($item['OCCURRENCES'], 2);?></a></td>
<?php
} ?>
</tr>
<?php
} ?></table>
</form>
</div>
<?php
} ?>
</div>
</div>
<div class="trending-footer" ><b><?=
tl('trending_element_date', date('r')) ?></b></div>
<?php
}
}
/**
* Used to draw random trending terms results on landing page
*
* @param array $data contains stats to draw
*/
public function renderLandingHighlights($data)
{
$logged_in = isset($data["ADMIN"]) && $data["ADMIN"];
$token = ($logged_in) ? $data[C\p('CSRF_TOKEN')] : "";
$token_query = ($logged_in && isset($data[C\p('CSRF_TOKEN')])) ?
C\p('CSRF_TOKEN') . "=" . $data[C\p('CSRF_TOKEN')] : "";
foreach ($data['LANDING_HIGHLIGHTS'] as $highlight) {
if ($highlight['TYPE'] == 'random_terms' &&
!empty($highlight['DATA'])) {
$category = ($highlight['CATEGORY'] == 'news') ? "" :
"category=" . $highlight['CATEGORY'];
$trending_url = C\SHORT_BASE_URL . "?q=trending:" .
$highlight['CATEGORY'];
if (!empty($highlight['ORDER']) &&
strtolower($highlight['ORDER']) != 'score_desc') {
$trending_url .= ":" . $highlight['ORDER'];
}
if (!empty($token_query)) {
$trending_url .= "&" . $token_query;
}
$terms_per_row = (!empty($_SERVER['MOBILE'])) ? 2 : 3;
?><div class="trending-highlight"><h2><a href="<?= $trending_url
?>"><?= $highlight['NAME']; ?>...</a></h2><ul><?php
$num_rows = intval(count($highlight)/$terms_per_row);
$i = 0;
$token_query = (empty($token_query)) ? "" : $token_query .
"&";
$num_random_trends = (!empty($_SERVER['MOBILE'])) ?
6 : 9;
$highlight_data = array_slice($highlight['DATA'], 0,
$num_random_trends);
foreach ($highlight_data as $term) {
if ($i % $terms_per_row == 0 && $i > 0) { ?>
</ul> <ul>
<?php }
?><li><a href="<?=
B\subsearchURL($highlight['CATEGORY'] , true) .
$token_query . "q=" . urlencode($term) ?>"><?=$term
?></a></li><?php
$i++;
}
?></ul></div><?php
} else if ($highlight['TYPE'] == 'feed' &&
!empty($highlight['DATA'])) {
$subsearch = $highlight['FOLDER_NAME'];
$feed_url = B\subsearchURL($subsearch, !empty($token_query)) .
$token_query;
$delim = (empty($token_query) && C\REDIRECTS_ON) ? "?" :
"&";
?>
<div class="feed-highlight"><h2><a href="<?=$feed_url
?>"><?= $highlight['NAME']; ?>...</a></h2><ul><?php
foreach ($highlight['DATA'] as $item) {
$encode_source = urlencode(urlencode(
$item[CC::SOURCE_NAME]));
$source_query = "q=media:$subsearch:" . $encode_source;
$title = $item[CC::TITLE];
if (!empty($this->view->controller_object)) {
$phrase_model =
$this->view->controller_object->model("phrase");
$title = trim($phrase_model->getSnippets($title,
[], 60));
}
?><li><a href="<?=$item[CC::URL] ?>"><?=$title
?></a>…<br>
<a class="gray-link" rel='nofollow' href="<?=
$feed_url . $delim . $source_query ?>" ><?=
$item[CC::SOURCE_NAME] ?></a></li><?php
}?></ul></div><?php
}
}
}
/**
* Used to draw a chart of term scores for a time period
*
* @param array $data contains chart info about term
*/
public function renderTermChart($data)
{
$logged_in = isset($data["ADMIN"]) && $data["ADMIN"];
$token = ($logged_in) ? $data[C\p('CSRF_TOKEN')] : "";
$token_string_amp = ($logged_in) ?
C\p('CSRF_TOKEN') . "=" . $data[C\p('CSRF_TOKEN')]."&" : "";
if (!empty($data['CATEGORY_NAME'])) {
$search_url = B\subsearchURL($data['CATEGORY'] , true);
$added_term = "";
} else {
$search_url = C\SHORT_BASE_URL . "?";
$added_term = " media:" . $data['CATEGORY'];
}
$trending_url = C\SHORT_BASE_URL . "?q=" . "trending:" .
$data['CATEGORY'];
if (!empty($token_query)) {
$trending_url .= $token_query;
}
$terms_string = "";
$dash_state = 0;
$comma = "";
$trending_scores = "<a href='$trending_url'>" .
tl('trending_element_trend_scores') . "</a>";
foreach ($data['TERMS'] as $term) {
$terms_string .= $comma;
$comma = "', '";
$term_url = $search_url . $token_string_amp .
"q=" . $term . $added_term;
if ($dash_state == 0) {
$rgb = "rgb(0,0,255)";
$span = "'<a href='$term_url' ".
"style='text-decoration:underline;color:$rgb;'>";
} else if ($dash_state == 1) {
$rgb = "rgb(0,0,178)";
$span = "<a href='$term_url' ".
"style='text-decoration:underline;".
"text-decoration-style:dashed;color:$rgb;'>";
} else {
$rgb = "rgb(0,0,124)";
$span = "<a href='$term' ".
"style='text-decoration:underline;".
"text-decoration-style:dotted;color:$rgb;'>";
}
$terms_string .= "$span$term</a>'";
$dash_state = ($dash_state + 1) % 3;
}
$title_map = [
C\ONE_DAY => tl('trending_element_hourly_trend', $trending_scores,
$terms_string),
C\ONE_WEEK => tl('trending_element_daily_trend', $trending_scores,
$terms_string),
C\ONE_MONTH => tl('trending_element_monthly_trend',
$trending_scores, $terms_string),
C\ONE_YEAR => tl('trending_element_yearly_trend', $trending_scores,
$terms_string),
];
?><h2 class="trending"><?=$title_map[$data['PERIOD']]; ?></h2>
<div id="chart"></div>
<div class="trending-footer" ><b><?=
tl('trending_element_date', date('r')) ?></b></div><?php
}
}
(c) 2026 Seekquarry - Open Source Search Engine Software