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store previous value of counters and send only diffs

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This commit is contained in:
Andrew Dolgov 2005-11-29 14:42:37 +01:00
parent 1450f7530c
commit 0477a326a9
1 changed files with 46 additions and 7 deletions
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53
backend.php
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@ -73,8 +73,18 @@
print "<counter id='global-unread' counter='$c_id'/>"; print "<counter id='global-unread' counter='$c_id'/>";
} }
function getTagCounters($link) { function getTagCounters($link, $smart_mode = true) {
if ($smart_mode) {
if (!$_SESSION["tctr_last_value"]) {
$_SESSION["tctr_last_value"] = array();
}
}
$old_counters = $_SESSION["tctr_last_value"];
$tctrs_modified = false;
$result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
ttrss_user_entries.ref_id = ttrss_entries.id AND ttrss_user_entries.ref_id = ttrss_entries.id AND
@ -94,8 +104,19 @@
$unread = $tags[$tag]; $unread = $tags[$tag];
$tag = htmlspecialchars($tag); $tag = htmlspecialchars($tag);
print "<tag id=\"$tag\" counter=\"$unread\"/>";
if (!$smart_mode || $old_counters[$tag] != $unread) {
$old_counters[$tag] = $unread;
$tctrs_modified = true;
print "<tag id=\"$tag\" counter=\"$unread\"/>";
}
} }
if ($smart_mode && $tctrs_modified) {
$_SESSION["tctr_last_value"] = $old_counters;
}
} }
function getLabelCounters($link) { function getLabelCounters($link) {
@ -143,21 +164,39 @@
print "<feed id=\"$id\" counter=\"$count\"/>"; print "<feed id=\"$id\" counter=\"$count\"/>";
} }
function getFeedCounters($link) { function getFeedCounters($link, $smart_mode = true) {
if ($smart_mode) {
if (!$_SESSION["fctr_last_value"]) {
$_SESSION["fctr_last_value"] = array();
}
}
$old_counters = $_SESSION["fctr_last_value"];
$result = db_query($link, "SELECT id, $result = db_query($link, "SELECT id,
(SELECT count(id) (SELECT count(id)
FROM ttrss_entries,ttrss_user_entries FROM ttrss_entries,ttrss_user_entries
WHERE feed_id = ttrss_feeds.id AND ttrss_user_entries.ref_id = ttrss_entries.id WHERE feed_id = ttrss_feeds.id AND ttrss_user_entries.ref_id = ttrss_entries.id
AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"]); FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"]);
$fctrs_modified = false;
while ($line = db_fetch_assoc($result)) { while ($line = db_fetch_assoc($result)) {
$id = $line["id"]; $id = $line["id"];
$count = $line["count"]; $count = $line["count"];
print "<feed id=\"$id\" counter=\"$count\"/>"; if (!$smart_mode || $old_counters[$id] != $count) {
$old_counters[$id] = $count;
$fctrs_modified = true;
print "<feed id=\"$id\" counter=\"$count\"/>";
}
}
if ($smart_mode && $fctrs_modified) {
$_SESSION["fctr_last_value"] = $old_counters;
} }
} }