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- <?php
- class CCache {
- /* function ccache_zero($feed_id, $owner_uid) {
- db_query("UPDATE ttrss_counters_cache SET
- value = 0, updated = NOW() WHERE
- feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
- } */
- static function zero_all($owner_uid) {
- db_query("UPDATE ttrss_counters_cache SET
- value = 0 WHERE owner_uid = '$owner_uid'");
- db_query("UPDATE ttrss_cat_counters_cache SET
- value = 0 WHERE owner_uid = '$owner_uid'");
- }
- static function remove($feed_id, $owner_uid, $is_cat = false) {
- if (!$is_cat) {
- $table = "ttrss_counters_cache";
- } else {
- $table = "ttrss_cat_counters_cache";
- }
- db_query("DELETE FROM $table WHERE
- feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
- }
- static function update_all($owner_uid) {
- if (get_pref('ENABLE_FEED_CATS', $owner_uid)) {
- $result = db_query("SELECT feed_id FROM ttrss_cat_counters_cache
- WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
- while ($line = db_fetch_assoc($result)) {
- CCache::update($line["feed_id"], $owner_uid, true);
- }
- /* We have to manually include category 0 */
- CCache::update(0, $owner_uid, true);
- } else {
- $result = db_query("SELECT feed_id FROM ttrss_counters_cache
- WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
- while ($line = db_fetch_assoc($result)) {
- print CCache::update($line["feed_id"], $owner_uid);
- }
- }
- }
- static function find($feed_id, $owner_uid, $is_cat = false,
- $no_update = false) {
- if (!is_numeric($feed_id)) return;
- if (!$is_cat) {
- $table = "ttrss_counters_cache";
- /* if ($feed_id > 0) {
- $tmp_result = db_query("SELECT owner_uid FROM ttrss_feeds
- WHERE id = '$feed_id'");
- $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
- } */
- } else {
- $table = "ttrss_cat_counters_cache";
- }
- if (DB_TYPE == "pgsql") {
- $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
- } else if (DB_TYPE == "mysql") {
- $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
- }
- $result = db_query("SELECT value FROM $table
- WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
- LIMIT 1");
- if (db_num_rows($result) == 1) {
- return db_fetch_result($result, 0, "value");
- } else {
- if ($no_update) {
- return -1;
- } else {
- return CCache::update($feed_id, $owner_uid, $is_cat);
- }
- }
- }
- static function update($feed_id, $owner_uid, $is_cat = false,
- $update_pcat = true, $pcat_fast = false) {
- if (!is_numeric($feed_id)) return;
- /* if (!$is_cat && $feed_id > 0) {
- $tmp_result = db_query("SELECT owner_uid FROM ttrss_feeds
- WHERE id = '$feed_id'");
- $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
- } */
- $prev_unread = CCache::find($feed_id, $owner_uid, $is_cat, true);
- /* When updating a label, all we need to do is recalculate feed counters
- * because labels are not cached */
- if ($feed_id < 0) {
- CCache::update_all($owner_uid);
- return;
- }
- if (!$is_cat) {
- $table = "ttrss_counters_cache";
- } else {
- $table = "ttrss_cat_counters_cache";
- }
- if ($is_cat && $feed_id >= 0) {
- if ($feed_id != 0) {
- $cat_qpart = "cat_id = '$feed_id'";
- } else {
- $cat_qpart = "cat_id IS NULL";
- }
- /* Recalculate counters for child feeds */
- if (!$pcat_fast) {
- $result = db_query("SELECT id FROM ttrss_feeds
- WHERE owner_uid = '$owner_uid' AND $cat_qpart");
- while ($line = db_fetch_assoc($result)) {
- CCache::update($line["id"], $owner_uid, false, false);
- }
- }
- $result = db_query("SELECT SUM(value) AS sv
- FROM ttrss_counters_cache, ttrss_feeds
- WHERE id = feed_id AND $cat_qpart AND
- ttrss_counters_cache.owner_uid = $owner_uid AND
- ttrss_feeds.owner_uid = '$owner_uid'");
- $unread = (int) db_fetch_result($result, 0, "sv");
- } else {
- $unread = (int) Feeds::getFeedArticles($feed_id, $is_cat, true, $owner_uid);
- }
- db_query("BEGIN");
- $result = db_query("SELECT feed_id FROM $table
- WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
- if (db_num_rows($result) == 1) {
- db_query("UPDATE $table SET
- value = '$unread', updated = NOW() WHERE
- feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
- } else {
- db_query("INSERT INTO $table
- (feed_id, value, owner_uid, updated)
- VALUES
- ($feed_id, $unread, $owner_uid, NOW())");
- }
- db_query("COMMIT");
- if ($feed_id > 0 && $prev_unread != $unread) {
- if (!$is_cat) {
- /* Update parent category */
- if ($update_pcat) {
- $result = db_query("SELECT cat_id FROM ttrss_feeds
- WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
- $cat_id = (int) db_fetch_result($result, 0, "cat_id");
- CCache::update($cat_id, $owner_uid, true, true, true);
- }
- }
- } else if ($feed_id < 0) {
- CCache::update_all($owner_uid);
- }
- return $unread;
- }
- /* function ccache_cleanup($owner_uid) {
- if (DB_TYPE == "pgsql") {
- db_query("DELETE FROM ttrss_counters_cache AS c1 WHERE
- (SELECT count(*) FROM ttrss_counters_cache AS c2
- WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
- AND owner_uid = '$owner_uid'");
- db_query("DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
- (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
- WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
- AND owner_uid = '$owner_uid'");
- } else {
- db_query("DELETE c1 FROM
- ttrss_counters_cache AS c1,
- ttrss_counters_cache AS c2
- WHERE
- c1.owner_uid = '$owner_uid' AND
- c1.owner_uid = c2.owner_uid AND
- c1.feed_id = c2.feed_id");
- db_query("DELETE c1 FROM
- ttrss_cat_counters_cache AS c1,
- ttrss_cat_counters_cache AS c2
- WHERE
- c1.owner_uid = '$owner_uid' AND
- c1.owner_uid = c2.owner_uid AND
- c1.feed_id = c2.feed_id");
- }
- } */
- }
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