move to psr-4 autoloader
This commit is contained in:
Andrew Dolgov
233
classes/Labels.php
Normal file
233
classes/Labels.php
Normal file
@@ -0,0 +1,233 @@
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<?php
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class Labels
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{
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static function label_to_feed_id(int $label): int {
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return LABEL_BASE_INDEX - 1 - abs($label);
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}
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static function feed_to_label_id(int $feed): int {
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return LABEL_BASE_INDEX - 1 + abs($feed);
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}
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static function find_id(string $label, int $owner_uid): int {
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$pdo = Db::pdo();
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$sth = $pdo->prepare("SELECT id FROM ttrss_labels2 WHERE LOWER(caption) = LOWER(?)
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AND owner_uid = ? LIMIT 1");
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$sth->execute([$label, $owner_uid]);
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if ($row = $sth->fetch()) {
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return $row['id'];
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} else {
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return 0;
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}
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}
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static function find_caption(int $label, int $owner_uid): string {
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$pdo = Db::pdo();
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$sth = $pdo->prepare("SELECT caption FROM ttrss_labels2 WHERE id = ?
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AND owner_uid = ? LIMIT 1");
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$sth->execute([$label, $owner_uid]);
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if ($row = $sth->fetch()) {
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return $row['caption'];
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} else {
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return "";
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}
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}
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/**
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* @return array<int, array<string, string>>
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*/
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static function get_as_hash(int $owner_uid): array {
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$rv = [];
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$labels = Labels::get_all($owner_uid);
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foreach ($labels as $i => $label) {
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$rv[(int)$label["id"]] = $labels[$i];
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}
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return $rv;
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}
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/**
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* @return array<int, array<string, string>> An array of label detail arrays
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*/
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static function get_all(int $owner_uid) {
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$rv = array();
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$pdo = Db::pdo();
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$sth = $pdo->prepare("SELECT id, fg_color, bg_color, caption FROM ttrss_labels2
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WHERE owner_uid = ? ORDER BY caption");
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$sth->execute([$owner_uid]);
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while ($line = $sth->fetch(PDO::FETCH_ASSOC)) {
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array_push($rv, $line);
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}
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return $rv;
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}
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/**
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* @param array{'no-labels': 1}|array<int, array<int, array{0: int, 1: string, 2: string, 3: string}>> $labels
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* [label_id, caption, fg_color, bg_color]
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*
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* @see Article::_get_labels()
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*/
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static function update_cache(int $owner_uid, int $id, array $labels, bool $force = false): void {
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$pdo = Db::pdo();
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if ($force)
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self::clear_cache($id);
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if (!$labels)
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$labels = Article::_get_labels($id);
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$labels = json_encode($labels);
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$sth = $pdo->prepare("UPDATE ttrss_user_entries SET
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label_cache = ? WHERE ref_id = ? AND owner_uid = ?");
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$sth->execute([$labels, $id, $owner_uid]);
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}
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static function clear_cache(int $id): void {
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$pdo = Db::pdo();
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$sth = $pdo->prepare("UPDATE ttrss_user_entries SET
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label_cache = '' WHERE ref_id = ?");
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$sth->execute([$id]);
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}
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static function remove_article(int $id, string $label, int $owner_uid): void {
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$label_id = self::find_id($label, $owner_uid);
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if (!$label_id) return;
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$pdo = Db::pdo();
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$sth = $pdo->prepare("DELETE FROM ttrss_user_labels2
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WHERE
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label_id = ? AND
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article_id = ?");
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$sth->execute([$label_id, $id]);
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self::clear_cache($id);
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}
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static function add_article(int $id, string $label, int $owner_uid): void {
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$label_id = self::find_id($label, $owner_uid);
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if (!$label_id) return;
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$pdo = Db::pdo();
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$sth = $pdo->prepare("SELECT
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article_id FROM ttrss_labels2, ttrss_user_labels2
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WHERE
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label_id = id AND
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label_id = ? AND
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article_id = ? AND owner_uid = ?
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LIMIT 1");
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$sth->execute([$label_id, $id, $owner_uid]);
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if (!$sth->fetch()) {
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$sth = $pdo->prepare("INSERT INTO ttrss_user_labels2
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(label_id, article_id) VALUES (?, ?)");
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$sth->execute([$label_id, $id]);
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}
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self::clear_cache($id);
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}
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static function remove(int $id, int $owner_uid): void {
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if (!$owner_uid) $owner_uid = $_SESSION["uid"];
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$pdo = Db::pdo();
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$tr_in_progress = false;
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try {
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$pdo->beginTransaction();
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} catch (Exception $e) {
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$tr_in_progress = true;
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}
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$sth = $pdo->prepare("SELECT caption FROM ttrss_labels2
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WHERE id = ?");
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$sth->execute([$id]);
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$row = $sth->fetch();
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$caption = $row['caption'];
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$sth = $pdo->prepare("DELETE FROM ttrss_labels2 WHERE id = ?
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AND owner_uid = ?");
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$sth->execute([$id, $owner_uid]);
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if ($sth->rowCount() != 0 && $caption) {
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/* Remove access key for the label */
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$ext_id = LABEL_BASE_INDEX - 1 - $id;
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$sth = $pdo->prepare("DELETE FROM ttrss_access_keys WHERE
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feed_id = ? AND owner_uid = ?");
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$sth->execute([$ext_id, $owner_uid]);
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/* Remove cached data */
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$sth = $pdo->prepare("UPDATE ttrss_user_entries SET label_cache = ''
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WHERE owner_uid = ?");
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$sth->execute([$owner_uid]);
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}
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if (!$tr_in_progress) $pdo->commit();
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}
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/**
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* @return false|int false if the check for an existing label failed, otherwise the number of rows inserted (1 on success)
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*/
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static function create(string $caption, ?string $fg_color = '', ?string $bg_color = '', ?int $owner_uid = null) {
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if (!$owner_uid) $owner_uid = $_SESSION['uid'];
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$pdo = Db::pdo();
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$tr_in_progress = false;
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try {
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$pdo->beginTransaction();
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} catch (Exception $e) {
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$tr_in_progress = true;
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}
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$sth = $pdo->prepare("SELECT id FROM ttrss_labels2
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WHERE LOWER(caption) = LOWER(?) AND owner_uid = ?");
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$sth->execute([$caption, $owner_uid]);
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if (!$sth->fetch()) {
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$sth = $pdo->prepare("INSERT INTO ttrss_labels2
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(caption,owner_uid,fg_color,bg_color) VALUES (?, ?, ?, ?)");
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$sth->execute([$caption, $owner_uid, $fg_color, $bg_color]);
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$result = $sth->rowCount();
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} else {
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$result = false;
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}
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if (!$tr_in_progress) $pdo->commit();
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return $result;
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}
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}
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