use transactions in feed update process, better handle feeds without entry dates (schema updated)
This commit is contained in:
Andrew Dolgov
parent
9d9c9dd645
commit
b82af8c382
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@ -17,6 +17,14 @@
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$subop = $_GET["subop"];
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if ($subop == "forceUpdateAll") {
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update_all_feeds($link, true);
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}
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if ($subop == "updateAll") {
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update_all_feeds($link, false);
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}
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if ($subop == "catchupPage") {
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$ids = split(",", $_GET["ids"]);
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@ -3,6 +3,8 @@
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function update_all_feeds($link, $fetch) {
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pg_query("BEGIN");
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if (!$fetch) {
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$result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds WHERE
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@ -21,6 +23,8 @@
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$num_unread += update_rss_feed($link, $line["feed_url"], $line["id"]);
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}
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pg_query("COMMIT");
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}
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function update_rss_feed($link, $feed_url, $feed) {
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@ -31,12 +35,13 @@
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if ($rss) {
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pg_query("BEGIN");
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$result = pg_query("SELECT title FROM ttrss_feeds WHERE id = '$feed'");
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$registered_title = pg_fetch_result($result, 0, "title");
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if (!$registered_title) {
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$feed_title = $rss->channel["title"];
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pg_query("UPDATE ttrss_feeds SET title = '$feed_title' WHERE id = '$feed'");
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}
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@ -54,10 +59,17 @@
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$rss_1_date = $item['dc']['date'];
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$atom_date = $item['issued'];
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$no_orig_date = 'false';
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if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
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if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
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if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
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if ($entry_timestamp == "") $entry_timestamp = 0;
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// if ($rss_3_date != "") $entry_timestamp = strtotime($rss_3_date);
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if ($entry_timestamp == "") {
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$entry_timestamp = time();
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$no_orig_date = 'true';
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}
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if (!$entry_timestamp) continue;
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@ -77,7 +89,7 @@
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$result = pg_query($link, "
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SELECT
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id,unread,md5_hash,last_read,
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id,unread,md5_hash,last_read,no_orig_date,title,
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EXTRACT(EPOCH FROM updated) as updated_timestamp
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FROM
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ttrss_entries
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@ -89,11 +101,12 @@
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$entry_timestamp = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
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$query = "INSERT INTO ttrss_entries
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(title, guid, link, updated, content, feed_id, md5_hash)
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(title, guid, link, updated, content, feed_id,
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md5_hash, no_orig_date)
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VALUES
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('$entry_title', '$entry_guid', '$entry_link',
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'$entry_timestamp', '$entry_content', '$feed',
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'$content_md5')";
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'$content_md5', $no_orig_date)";
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$result = pg_query($link, $query);
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@ -108,33 +121,41 @@
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$unread = pg_fetch_result($result, 0, "unread");
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$md5_hash = pg_fetch_result($result, 0, "md5_hash");
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$no_orig_date = pg_fetch_result($result, 0, "no_orig_date");
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$orig_title = pg_fetch_result($result, 0, "title");
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// if ($md5_hash != $content_md5 && CONTENT_CHECK_MD5)
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// $unread = "true";
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// disable update detection for posts which didn't have correct
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// publishment date, because they will always register as updated
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// sadly this doesn't catch feed generators which input current date
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// in posts all the time (some planets do this)
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if (!$last_read || $md5_hash != $content_md5) {
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$last_read = 'null';
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if ($no_orig_date != 't' && (!$last_read || $md5_hash != $content_md5)) {
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$last_read_qpart = 'last_read = null,';
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} else {
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$last_read = "'$last_read'";
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$last_read_qpart = '';
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}
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// if ($unread || !CONTENT_CHECK_MD5) {
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// $updated_query_part = "updated = '$entry_timestamp',";
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// }
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// mark post as updated on title change
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// maybe we should mark it as unread instead?
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// if ($updated_timestamp > $entry_timestamp) {
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// $unread = "true";
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// print "$updated_timestamp : $entry_timestamp<br>";
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// }
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if ($orig_title != $entry_title) {
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$last_read_qpart = 'last_read = null,';
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}
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// don't bother updating timestamps on posts with broken pubDate
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if ($no_orig_date != 't') {
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$update_timestamp_qpart = "updated = '$entry_timestamp_fmt',";
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}
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$query = "UPDATE ttrss_entries
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SET
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title ='$entry_title',
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link = '$entry_link',
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updated = '$entry_timestamp_fmt',
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$update_timestamp_qpart
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$last_read_qpart
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content = '$entry_content',
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md5_hash = '$content_md5',
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last_read = $last_read,
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unread = '$unread'
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WHERE
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id = '$entry_id'";
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@ -151,6 +172,8 @@
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$result = pg_query($link, "UPDATE ttrss_feeds SET last_updated = NOW()");
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}
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pg_query("COMMIT");
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}
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}
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@ -34,5 +34,6 @@ create table ttrss_entries (id serial not null primary key,
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md5_hash varchar(200) not null unique,
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content text not null,
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last_read timestamp,
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unread boolean default true);
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no_orig_date boolean not null default false,
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unread boolean not null default true);
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