functions.php

   1 <?
   2         require_once 'config.php';
   3
   4         function update_all_feeds($link) {
   5
   6                 $result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds WHERE
   7                         last_updated is null OR title = '' OR
   8                         EXTRACT(EPOCH FROM NOW()) - EXTRACT(EPOCH FROM last_updated) > " .
   9                         MIN_UPDATE_TIME);
  10
  11                 $num_unread = 0;
  12
  13                 while ($line = pg_fetch_assoc($result)) {
  14                         $num_unread += update_rss_feed($link, $line["feed_url"], $line["id"]);
  15                 }
  16
  17         }
  18
  19         function update_rss_feed($link, $feed_url, $feed) {
  20
  21                 $rss = fetch_rss($feed_url);
  22
  23                 $num_unread = 0;
  24
  25                 if ($rss) {
  26
  27                         $result = pg_query("SELECT title FROM ttrss_feeds WHERE id = '$feed'");
  28
  29                         $registered_title = pg_fetch_result($result, 0, "title");
  30
  31                         if (!$registered_title) {
  32
  33                                 $feed_title = $rss->channel["title"];
  34                                 pg_query("UPDATE ttrss_feeds SET title = '$feed_title' WHERE id = '$feed'");
  35                         }
  36
  37                         foreach ($rss->items as $item) {
  38
  39                                 $entry_guid = $item["id"];
  40
  41                                 if (!$entry_guid) $entry_guid = $item["guid"];
  42                                 if (!$entry_guid) $entry_guid = $item["link"];
  43
  44                                 $entry_timestamp = $item["pubdate"];
  45                                 if (!$entry_timestamp) $entry_timestamp = $item["modified"];
  46                                 if (!$entry_timestamp) $entry_timestamp = $item["updated"];
  47
  48                                 if (!$entry_timestamp) continue;
  49
  50                                 $entry_timestamp = strtotime($entry_timestamp);
  51
  52                                 if (!$entry_timestamp) continue;
  53
  54                                 $entry_title = $item["title"];
  55                                 $entry_link = $item["link"];
  56
  57                                 if (!$entry_title) continue;
  58                                 if (!$entry_link) continue;
  59
  60                                 $entry_content = $item["description"];
  61                                 if (!$entry_content) $entry_content = $item["content"];
  62
  63                                 $entry_content = pg_escape_string($entry_content);
  64                                 $entry_title = pg_escape_string($entry_title);
  65
  66                                 $content_md5 = md5($entry_content);
  67
  68                                 $result = pg_query($link, "
  69                                         SELECT
  70                                                 id,unread,md5_hash
  71                                         FROM
  72                                                 ttrss_entries
  73                                         WHERE
  74                                                 guid = '$entry_guid' OR md5_hash = '$content_md5'");
  75
  76                                 if (pg_num_rows($result) == 0) {
  77
  78                                         $entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
  79
  80                                         $query = "INSERT INTO ttrss_entries
  81                                                         (title, guid, link, updated, content, feed_id, md5_hash)
  82                                                 VALUES
  83                                                         ('$entry_title', '$entry_guid', '$entry_link',
  84                                                                 '$entry_timestamp', '$entry_content', '$feed',
  85                                                                 '$content_md5')";
  86
  87                                         $result = pg_query($link, $query);
  88
  89                                         if ($result) ++$num_unread;
  90
  91                                 } else {
  92
  93                                         $entry_id = pg_fetch_result($result, 0, "id");
  94                                         $entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
  95
  96                                         $unread = pg_fetch_result($result, 0, "unread");
  97                                         $md5_hash = pg_fetch_result($result, 0, "md5_hash");
  98
  99                                         if ($md5_hash != $content_md5 && CONTENT_CHECK_MD5)
 100                                                 $unread = "true";
 101
 102                                         if ($unread || !CONTENT_CHECK_MD5) {
 103                                                 $updated_query_part = "updated = '$entry_timestamp',";
 104                                         }
 105
 106                                         $query = "UPDATE ttrss_entries
 107                                                 SET
 108                                                         title ='$entry_title',
 109                                                         link = '$entry_link',
 110                                                         $updated_query_part
 111                                                         content = '$entry_content',
 112                                                         md5_hash = '$content_md5',
 113                                                         unread = '$unread'
 114                                                 WHERE
 115                                                         id = '$entry_id'";
 116
 117                                         $result = pg_query($link, $query);
 118
 119                                         if ($result) ++$num_unread;
 120
 121                                 }
 122
 123                         }
 124
 125                         if ($result) {
 126                                 $result = pg_query($link, "UPDATE ttrss_feeds SET last_updated = NOW()");
 127                         }
 128
 129                 }
 130
 131         }
 132
 133
 134
 135
 136 ?>