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- <?php
- class Labels
- {
- static function label_to_feed_id($label) {
- return LABEL_BASE_INDEX - 1 - abs($label);
- }
- static function feed_to_label_id($feed) {
- return LABEL_BASE_INDEX - 1 + abs($feed);
- }
- static function find_id($label, $owner_uid) {
- $result = db_query(
- "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
- AND owner_uid = '$owner_uid' LIMIT 1");
- if (db_num_rows($result) == 1) {
- return db_fetch_result($result, 0, "id");
- } else {
- return 0;
- }
- }
- static function find_caption($label, $owner_uid) {
- $result = db_query(
- "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
- AND owner_uid = '$owner_uid' LIMIT 1");
- if (db_num_rows($result) == 1) {
- return db_fetch_result($result, 0, "caption");
- } else {
- return "";
- }
- }
- static function get_all_labels($owner_uid) {
- $rv = array();
- $result = db_query("SELECT id, fg_color, bg_color, caption FROM ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER BY caption");
- while ($line = db_fetch_assoc($result)) {
- array_push($rv, $line);
- }
- return $rv;
- }
- static function update_cache($owner_uid, $id, $labels = false, $force = false) {
- if ($force)
- Labels::clear_cache($id);
- if (!$labels)
- $labels = Article::get_article_labels($id);
- $labels = db_escape_string(json_encode($labels));
- db_query("UPDATE ttrss_user_entries SET
- label_cache = '$labels' WHERE ref_id = '$id' AND owner_uid = '$owner_uid'");
- }
- static function clear_cache($id) {
- db_query("UPDATE ttrss_user_entries SET
- label_cache = '' WHERE ref_id = '$id'");
- }
- static function remove_article($id, $label, $owner_uid) {
- $label_id = Labels::find_id($label, $owner_uid);
- if (!$label_id) return;
- db_query(
- "DELETE FROM ttrss_user_labels2
- WHERE
- label_id = '$label_id' AND
- article_id = '$id'");
- Labels::clear_cache($id);
- }
- static function add_article($id, $label, $owner_uid) {
- $label_id = Labels::find_id($label, $owner_uid);
- if (!$label_id) return;
- $result = db_query(
- "SELECT
- article_id FROM ttrss_labels2, ttrss_user_labels2
- WHERE
- label_id = id AND
- label_id = '$label_id' AND
- article_id = '$id' AND owner_uid = '$owner_uid'
- LIMIT 1");
- if (db_num_rows($result) == 0) {
- db_query("INSERT INTO ttrss_user_labels2
- (label_id, article_id) VALUES ('$label_id', '$id')");
- }
- Labels::clear_cache($id);
- }
- static function remove($id, $owner_uid) {
- if (!$owner_uid) $owner_uid = $_SESSION["uid"];
- db_query("BEGIN");
- $result = db_query("SELECT caption FROM ttrss_labels2
- WHERE id = '$id'");
- $caption = db_fetch_result($result, 0, "caption");
- $result = db_query("DELETE FROM ttrss_labels2 WHERE id = '$id'
- AND owner_uid = " . $owner_uid);
- if (db_affected_rows($result) != 0 && $caption) {
- /* Remove access key for the label */
- $ext_id = LABEL_BASE_INDEX - 1 - $id;
- db_query("DELETE FROM ttrss_access_keys WHERE
- feed_id = '$ext_id' AND owner_uid = $owner_uid");
- /* Remove cached data */
- db_query("UPDATE ttrss_user_entries SET label_cache = ''
- WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
- }
- db_query("COMMIT");
- }
- static function create($caption, $fg_color = '', $bg_color = '', $owner_uid = false) {
- if (!$owner_uid) $owner_uid = $_SESSION['uid'];
- db_query("BEGIN");
- $result = db_query("SELECT id FROM ttrss_labels2
- WHERE caption = '$caption' AND owner_uid = $owner_uid");
- if (db_num_rows($result) == 0) {
- $result = db_query(
- "INSERT INTO ttrss_labels2 (caption,owner_uid,fg_color,bg_color)
- VALUES ('$caption', '$owner_uid', '$fg_color', '$bg_color')");
- $result = db_affected_rows($result) != 0;
- }
- db_query("COMMIT");
- return $result;
- }
- }
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