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synchronize unread status from offline to online DB

This commit is contained in:
Andrew Dolgov 2009-02-07 13:40:43 +03:00
parent b7dbf528f3
commit badac687b0
3 changed files with 161 additions and 5 deletions
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7
functions.php
View File

@ -1996,6 +1996,13 @@
}
}
function bool_to_sql_bool($s) {
if ($s) {
return "true";
} else {
return "false";
}
}
function toggleEvenOdd($a) {
if ($a == "even")

43
modules/backend-rpc.php
View File

@ -518,6 +518,7 @@
$stage = (int) $_REQUEST["stage"];
$cidt = db_escape_string($_REQUEST["cidt"]);
$cidb = db_escape_string($_REQUEST["cidb"]);
$sync = db_escape_string($_REQUEST["sync"]);
//$amount = (int) $_REQUEST["amount"];
//$unread_only = db_escape_string($_REQUEST["unread_only"]);
//if (!$amount) $amount = 50;
@ -527,6 +528,47 @@
print "<rpc-reply>";
$sync = split(";", $sync);
print "<sync>";
if (count($sync) > 0) {
if (strtotime($sync[0])) {
$last_online = db_escape_string($sync[0]);
print "<sync-point><![CDATA[$last_online]]></sync-point>";
for ($i = 1; $i < count($sync); $i++) {
$e = split(",", $sync[$i]);
if (count($e) == 3) {
$id = (int) $e[0];
$unread = bool_to_sql_bool((bool) $e[1]);
$marked = bool_to_sql_bool((bool) $e[2]);
/* Marked status is not synchronized yet */
$query = "UPDATE ttrss_user_entries SET
unread = $unread,
last_read = '$last_online'
WHERE ref_id = '$id' AND
(last_read IS NULL OR last_read < '$last_online') AND
owner_uid = ".$_SESSION["uid"];
$result = db_query($link, $query);
// if (db_affected_rows($result) > 0) {
print "<sync-ok id=\"$id\"/>";
// }
}
}
}
}
print "</sync>";
if ($stage == 0) {
print "<feeds>";
@ -596,7 +638,6 @@
}
if ($stage > 0) {
print "<articles>";
$limit = 50;

116
offline.js
View File

@ -600,6 +600,18 @@ function offline_download_parse(stage, transport) {
try {
if (transport.responseXML) {
var sync_ok = transport.responseXML.getElementsByTagName("sync-ok");
if (sync_ok.length > 0) {
for (var i = 0; i < sync_ok.length; i++) {
var id = sync_ok[i].getAttribute("id");
if (id) {
debug("synced offline info for id " + id);
db.execute("UPDATE articles SET modified = '' WHERE id = ?", [id]);
}
}
}
if (stage == 0) {
var feeds = transport.responseXML.getElementsByTagName("feed");
@ -693,9 +705,12 @@ function offline_download_parse(stage, transport) {
debug("downloaded articles: " + articles_found + " limit: " + limit);
if (articles_found >= limit) {
var has_sync_data = has_local_sync_data();
if (articles_found >= limit || has_sync_data) {
window.setTimeout("update_offline_data("+(stage+1)+")", 10*1000);
debug("update_offline_data: done " + stage);
debug("<b>update_offline_data: done " + stage + " HSD: " +
has_sync_data + "</b>");
} else {
window.setTimeout("update_offline_data(0)", 1800*1000);
debug("update_offline_data: finished");
@ -740,7 +755,16 @@ function update_offline_data(stage) {
rs.close();
var to_sync = prepare_local_sync_data();
if (to_sync != "") {
to_sync = "?sync=" + param_escape(to_sync);
}
debug(query + "/" + to_sync);
new Ajax.Request(query, {
parameters: to_sync,
onComplete: function(transport) {
offline_download_parse(stage, transport);
} });
@ -928,6 +952,8 @@ function init_gears() {
db.execute("DROP INDEX IF EXISTS article_labels_label_id_idx");
db.execute("DROP INDEX IF EXISTS articles_unread_idx");
db.execute("DROP INDEX IF EXISTS articles_feed_id_idx");
db.execute("DROP INDEX IF EXISTS articles_id_idx");
db.execute("DROP INDEX IF EXISTS article_labels_id_idx");
db.execute("DROP TABLE IF EXISTS version");
db.execute("DROP TRIGGER IF EXISTS articles_update_unread");
db.execute("DROP TRIGGER IF EXISTS articles_update_marked");
@ -950,6 +976,8 @@ function init_gears() {
db.execute("CREATE INDEX IF NOT EXISTS articles_unread_idx ON articles(unread)");
db.execute("CREATE INDEX IF NOT EXISTS article_labels_label_id_idx ON article_labels(label_id)");
db.execute("CREATE INDEX IF NOT EXISTS articles_feed_id_idx ON articles(feed_id)");
db.execute("CREATE INDEX IF NOT EXISTS articles_id_idx ON articles(id)");
db.execute("CREATE INDEX IF NOT EXISTS article_labels_id_idx ON article_labels(id)");
db.execute("CREATE TABLE IF NOT EXISTS syncdata (key integer, value text)");
@ -1258,11 +1286,91 @@ function init_local_sync_data() {
}
}
function has_local_sync_data() {
try {
var rs = db.execute("SELECT id FROM articles "+
"WHERE modified > (SELECT value FROM syncdata WHERE key = 'last_online') "+
"LIMIT 1");
var tmp = 0;
if (rs.isValidRow()) {
tmp = rs.field(0);
}
rs.close();
return tmp != 0;
} catch (e) {
exception_error("has_local_sync_data", e);
}
}
function prepare_local_sync_data() {
try {
var rs = db.execute("SELECT value FROM syncdata WHERE key = 'last_online'");
var last_online = "";
if (rs.isValidRow()) {
last_online = rs.field(0);
}
rs.close();
var rs = db.execute("SELECT id,unread,marked FROM articles "+
"WHERE modified > ? LIMIT 200", [last_online]);
var tmp = last_online + ";";
var entries = 0;
while (rs.isValidRow()) {
var e = new Array();
tmp = tmp + rs.field(0) + "," + rs.field(1) + "," + rs.field(2) + ";";
entries++;
rs.next();
}
rs.close();
if (entries > 0) {
return tmp;
} else {
return '';
}
} catch (e) {
exception_error("prepare_local_sync_data", e);
}
}
function update_local_sync_data() {
try {
if (db && !offline_mode) {
db.execute("UPDATE syncdata SET value = DATETIME('NOW', 'localtime') "+
"WHERE key = 'last_online'");
var rs = db.execute("SELECT id FROM articles "+
"WHERE modified > (SELECT value FROM syncdata WHERE "+
"key = 'last_online') LIMIT 1")
var f_id = 0;
if (rs.isValidRow()) {
f_id = rs.field(0);
}
rs.close();
/* no pending articles to sync */
if (f_id == 0) {
db.execute("UPDATE syncdata SET value = DATETIME('NOW', 'localtime') "+
"WHERE key = 'last_online'");
}
}
} catch (e) {