ttrss/classes/labels.php

162 lines
3.6 KiB
PHP

<?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 = " . $owner_uid);
while ($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;
}
}