classes/digest.php

   1 <?php
   2 class Digest
   3 {
   4
   5         /**
   6          * Send by mail a digest of last articles.
   7          *
   8          * @param mixed $link The database connection.
   9          * @param integer $limit The maximum number of articles by digest.
  10          * @return boolean Return false if digests are not enabled.
  11          */
  12         static function send_headlines_digests() {
  13
  14                 $user_limit = 15; // amount of users to process (e.g. emails to send out)
  15                 $limit = 1000; // maximum amount of headlines to include
  16
  17                 Debug::log("Sending digests, batch of max $user_limit users, headline limit = $limit");
  18
  19                 if (DB_TYPE == "pgsql") {
  20                         $interval_qpart = "last_digest_sent < NOW() - INTERVAL '1 days'";
  21                 } else if (DB_TYPE == "mysql") {
  22                         $interval_qpart = "last_digest_sent < DATE_SUB(NOW(), INTERVAL 1 DAY)";
  23                 }
  24
  25                 $pdo = Db::pdo();
  26
  27                 $res = $pdo->query("SELECT id,email FROM ttrss_users
  28                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_qpart)");
  29
  30                 while ($line = $res->fetch()) {
  31
  32                         if (@get_pref('DIGEST_ENABLE', $line['id'], false)) {
  33                                 $preferred_ts = strtotime(get_pref('DIGEST_PREFERRED_TIME', $line['id'], '00:00'));
  34
  35                                 // try to send digests within 2 hours of preferred time
  36                                 if ($preferred_ts && time() >= $preferred_ts &&
  37                                         time() - $preferred_ts <= 7200
  38                                 ) {
  39
  40                                         Debug::log("Sending digest for UID:" . $line['id'] . " - " . $line["email"]);
  41
  42                                         $do_catchup = get_pref('DIGEST_CATCHUP', $line['id'], false);
  43
  44                                         global $tz_offset;
  45
  46                                         // reset tz_offset global to prevent tz cache clash between users
  47                                         $tz_offset = -1;
  48
  49                                         $tuple = Digest::prepare_headlines_digest($line["id"], 1, $limit);
  50                                         $digest = $tuple[0];
  51                                         $headlines_count = $tuple[1];
  52                                         $affected_ids = $tuple[2];
  53                                         $digest_text = $tuple[3];
  54
  55                                         if ($headlines_count > 0) {
  56
  57                                                 $mailer = new Mailer();
  58
  59                                                 //$rc = $mail->quickMail($line["email"], $line["login"], DIGEST_SUBJECT, $digest, $digest_text);
  60
  61                                                 $rc = $mailer->mail(["to_name" => $line["login"],
  62                                                         "to_address" => $line["email"],
  63                                                         "subject" => DIGEST_SUBJECT,
  64                                                         "message" => $digest_text,
  65                                                         "message_html" => $digest]);
  66
  67                                                 //if (!$rc && $debug) Debug::log("ERROR: " . $mailer->lastError());
  68
  69                                                 Debug::log("RC=$rc");
  70
  71                                                 if ($rc && $do_catchup) {
  72                                                         Debug::log("Marking affected articles as read...");
  73                                                         Article::catchupArticlesById($affected_ids, 0, $line["id"]);
  74                                                 }
  75                                         } else {
  76                                                 Debug::log("No headlines");
  77                                         }
  78
  79                                         $sth = $pdo->prepare("UPDATE ttrss_users SET last_digest_sent = NOW()
  80                                                 WHERE id = ?");
  81                                         $sth->execute([$line["id"]]);
  82
  83                                 }
  84                         }
  85                 }
  86
  87                 Debug::log("All done.");
  88
  89         }
  90
  91         static function prepare_headlines_digest($user_id, $days = 1, $limit = 1000) {
  92
  93                 require_once "lib/MiniTemplator.class.php";
  94
  95                 $tpl = new MiniTemplator;
  96                 $tpl_t = new MiniTemplator;
  97
  98                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
  99                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
 100
 101                 $user_tz_string = get_pref('USER_TIMEZONE', $user_id);
 102                 $local_ts = convert_timestamp(time(), 'UTC', $user_tz_string);
 103
 104                 $tpl->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
 105                 $tpl->setVariable('CUR_TIME', date('G:i', $local_ts));
 106
 107                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d', $local_ts));
 108                 $tpl_t->setVariable('CUR_TIME', date('G:i', $local_ts));
 109
 110                 $affected_ids = array();
 111
 112                 $days = (int) $days;
 113
 114                 if (DB_TYPE == "pgsql") {
 115                         $interval_qpart = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
 116                 } else if (DB_TYPE == "mysql") {
 117                         $interval_qpart = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
 118                 }
 119
 120                 $pdo = Db::pdo();
 121
 122                 $sth = $pdo->prepare("SELECT ttrss_entries.title,
 123                                 ttrss_feeds.title AS feed_title,
 124                                 COALESCE(ttrss_feed_categories.title, '" . __('Uncategorized') . "') AS cat_title,
 125                                 date_updated,
 126                                 ttrss_user_entries.ref_id,
 127                                 link,
 128                                 score,
 129                                 content,
 130                                 " . SUBSTRING_FOR_DATE . "(last_updated,1,19) AS last_updated
 131                         FROM
 132                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
 133                         LEFT JOIN
 134                                 ttrss_feed_categories ON (cat_id = ttrss_feed_categories.id)
 135                         WHERE
 136                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
 137                                 AND include_in_digest = true
 138                                 AND $interval_qpart
 139                                 AND ttrss_user_entries.owner_uid = :user_id
 140                                 AND unread = true
 141                                 AND score >= 0
 142                         ORDER BY ttrss_feed_categories.title, ttrss_feeds.title, score DESC, date_updated DESC
 143                         LIMIT :limit");
 144                 $sth->bindParam(':user_id', intval($user_id, 10), \PDO::PARAM_INT);
 145                 $sth->bindParam(':limit', intval($limit, 10), \PDO::PARAM_INT);
 146                 $sth->execute();
 147
 148                 $headlines_count = 0;
 149                 $headlines = array();
 150
 151                 while ($line = $sth->fetch()) {
 152                         array_push($headlines, $line);
 153                         $headlines_count++;
 154                 }
 155
 156                 for ($i = 0; $i < sizeof($headlines); $i++) {
 157
 158                         $line = $headlines[$i];
 159
 160                         array_push($affected_ids, $line["ref_id"]);
 161
 162                         $updated = make_local_datetime($line['last_updated'], false,
 163                                 $user_id);
 164
 165                         if (get_pref('ENABLE_FEED_CATS', $user_id)) {
 166                                 $line['feed_title'] = $line['cat_title'] . " / " . $line['feed_title'];
 167                         }
 168
 169                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
 170                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
 171                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
 172                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
 173                         $tpl->setVariable('ARTICLE_EXCERPT',
 174                                 truncate_string(strip_tags($line["content"]), 300));
 175 //                      $tpl->setVariable('ARTICLE_CONTENT',
 176 //                              strip_tags($article_content));
 177
 178                         $tpl->addBlock('article');
 179
 180                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
 181                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
 182                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
 183                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
 184 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
 185 //                              truncate_string(strip_tags($line["excerpt"]), 100));
 186
 187                         $tpl_t->addBlock('article');
 188
 189                         if ($headlines[$i]['feed_title'] != $headlines[$i + 1]['feed_title']) {
 190                                 $tpl->addBlock('feed');
 191                                 $tpl_t->addBlock('feed');
 192                         }
 193
 194                 }
 195
 196                 $tpl->addBlock('digest');
 197                 $tpl->generateOutputToString($tmp);
 198
 199                 $tpl_t->addBlock('digest');
 200                 $tpl_t->generateOutputToString($tmp_t);
 201
 202                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
 203         }
 204
 205 }