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tt-rss/classes/digest.php

201 lines
5.9 KiB
PHTML

<?php
class Digest
{
/**
* Send by mail a digest of last articles.
*
* @param mixed $link The database connection.
* @param integer $limit The maximum number of articles by digest.
* @return boolean Return false if digests are not enabled.
*/
static function send_headlines_digests($debug = false) {
require_once 'classes/ttrssmailer.php';
$user_limit = 15; // amount of users to process (e.g. emails to send out)
$limit = 1000; // maximum amount of headlines to include
if ($debug) _debug("Sending digests, batch of max $user_limit users, headline limit = $limit");
if (DB_TYPE == "pgsql") {
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$interval_qpart = "last_digest_sent < NOW() - INTERVAL '1 days'";
} else if (DB_TYPE == "mysql") {
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$interval_qpart = "last_digest_sent < DATE_SUB(NOW(), INTERVAL 1 DAY)";
}
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$pdo = Db::pdo();
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$res = $pdo->query("SELECT id,email FROM ttrss_users
WHERE email != '' AND (last_digest_sent IS NULL OR $interval_qpart)");
while ($line = $res->fetch()) {
if (@get_pref('DIGEST_ENABLE', $line['id'], false)) {
$preferred_ts = strtotime(get_pref('DIGEST_PREFERRED_TIME', $line['id'], '00:00'));
// try to send digests within 2 hours of preferred time
if ($preferred_ts && time() >= $preferred_ts &&
time() - $preferred_ts <= 7200
) {
if ($debug) _debug("Sending digest for UID:" . $line['id'] . " - " . $line["email"]);
$do_catchup = get_pref('DIGEST_CATCHUP', $line['id'], false);
global $tz_offset;
// reset tz_offset global to prevent tz cache clash between users
$tz_offset = -1;
$tuple = Digest::prepare_headlines_digest($line["id"], 1, $limit);
$digest = $tuple[0];
$headlines_count = $tuple[1];
$affected_ids = $tuple[2];
$digest_text = $tuple[3];
if ($headlines_count > 0) {
$mail = new ttrssMailer();
$rc = $mail->quickMail($line["email"], $line["login"], DIGEST_SUBJECT, $digest, $digest_text);
if (!$rc && $debug) _debug("ERROR: " . $mail->ErrorInfo);
if ($debug) _debug("RC=$rc");
if ($rc && $do_catchup) {
if ($debug) _debug("Marking affected articles as read...");
Article::catchupArticlesById($affected_ids, 0, $line["id"]);
}
} else {
if ($debug) _debug("No headlines");
}
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$sth = $pdo->prepare("UPDATE ttrss_users SET last_digest_sent = NOW()
WHERE id = ?");
$sth->execute([$line["id"]]);
}
}
}
if ($debug) _debug("All done.");
}
static function prepare_headlines_digest($user_id, $days = 1, $limit = 1000) {
require_once "lib/MiniTemplator.class.php";
$tpl = new MiniTemplator;
$tpl_t = new MiniTemplator;
$tpl->readTemplateFromFile("templates/digest_template_html.txt");
$tpl_t->readTemplateFromFile("templates/digest_template.txt");
$user_tz_string = get_pref('USER_TIMEZONE', $user_id);
$local_ts = convert_timestamp(time(), 'UTC', $user_tz_string);
$tpl->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
$tpl->setVariable('CUR_TIME', date('G:i', $local_ts));
$tpl_t->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
$tpl_t->setVariable('CUR_TIME', date('G:i', $local_ts));
$affected_ids = array();
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$days = (int) $days;
if (DB_TYPE == "pgsql") {
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$interval_qpart = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
} else if (DB_TYPE == "mysql") {
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$interval_qpart = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
}
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$pdo = Db::pdo();
$sth = $pdo->prepare("SELECT ttrss_entries.title,
ttrss_feeds.title AS feed_title,
COALESCE(ttrss_feed_categories.title, '" . __('Uncategorized') . "') AS cat_title,
date_updated,
ttrss_user_entries.ref_id,
link,
score,
content,
" . SUBSTRING_FOR_DATE . "(last_updated,1,19) AS last_updated
FROM
ttrss_user_entries,ttrss_entries,ttrss_feeds
LEFT JOIN
ttrss_feed_categories ON (cat_id = ttrss_feed_categories.id)
WHERE
ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
AND include_in_digest = true
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AND $interval_qpart
AND ttrss_user_entries.owner_uid = :user_id
AND unread = true
AND score >= 0
ORDER BY ttrss_feed_categories.title, ttrss_feeds.title, score DESC, date_updated DESC
LIMIT :limit");
$sth->bindParam(':user_id', intval($user_id, 10), \PDO::PARAM_INT);
$sth->bindParam(':limit', intval($limit, 10), \PDO::PARAM_INT);
$sth->execute();
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$headlines_count = 0;
$headlines = array();
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while ($line = $sth->fetch()) {
array_push($headlines, $line);
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$headlines_count++;
}
for ($i = 0; $i < sizeof($headlines); $i++) {
$line = $headlines[$i];
array_push($affected_ids, $line["ref_id"]);
$updated = make_local_datetime($line['last_updated'], false,
$user_id);
if (get_pref('ENABLE_FEED_CATS', $user_id)) {
$line['feed_title'] = $line['cat_title'] . " / " . $line['feed_title'];
}
$tpl->setVariable('FEED_TITLE', $line["feed_title"]);
$tpl->setVariable('ARTICLE_TITLE', $line["title"]);
$tpl->setVariable('ARTICLE_LINK', $line["link"]);
$tpl->setVariable('ARTICLE_UPDATED', $updated);
$tpl->setVariable('ARTICLE_EXCERPT',
truncate_string(strip_tags($line["content"]), 300));
// $tpl->setVariable('ARTICLE_CONTENT',
// strip_tags($article_content));
$tpl->addBlock('article');
$tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
$tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
$tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
$tpl_t->setVariable('ARTICLE_UPDATED', $updated);
// $tpl_t->setVariable('ARTICLE_EXCERPT',
// truncate_string(strip_tags($line["excerpt"]), 100));
$tpl_t->addBlock('article');
if ($headlines[$i]['feed_title'] != $headlines[$i + 1]['feed_title']) {
$tpl->addBlock('feed');
$tpl_t->addBlock('feed');
}
}
$tpl->addBlock('digest');
$tpl->generateOutputToString($tmp);
$tpl_t->addBlock('digest');
$tpl_t->generateOutputToString($tmp_t);
return array($tmp, $headlines_count, $affected_ids, $tmp_t);
}
}