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<?php
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class FreshRSS_TagDAO extends Minz_ModelPdo implements FreshRSS_Searchable {
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public function sqlIgnore() {
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return 'IGNORE';
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}
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public function createTagTable() {
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$ok = false;
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$hadTransaction = $this->bd->inTransaction();
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if ($hadTransaction) {
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$this->bd->commit();
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}
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try {
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$db = FreshRSS_Context::$system_conf->db;
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require_once(APP_PATH . '/SQL/install.sql.' . $db['type'] . '.php');
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Minz_Log::warning('SQL ALTER GUID case sensitivity...');
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$databaseDAO = FreshRSS_Factory::createDatabaseDAO();
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$databaseDAO->ensureCaseInsensitiveGuids();
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Minz_Log::warning('SQL CREATE TABLE tag...');
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if (defined('SQL_CREATE_TABLE_TAGS')) {
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$sql = sprintf(SQL_CREATE_TABLE_TAGS, $this->prefix);
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$stm = $this->bd->prepare($sql);
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$ok = $stm && $stm->execute();
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} else {
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global $SQL_CREATE_TABLE_TAGS;
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$ok = !empty($SQL_CREATE_TABLE_TAGS);
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foreach ($SQL_CREATE_TABLE_TAGS as $instruction) {
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$sql = sprintf($instruction, $this->prefix);
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$stm = $this->bd->prepare($sql);
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$ok &= $stm && $stm->execute();
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}
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}
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} catch (Exception $e) {
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Minz_Log::error('FreshRSS_EntryDAO::createTagTable error: ' . $e->getMessage());
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}
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if ($hadTransaction) {
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$this->bd->beginTransaction();
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}
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return $ok;
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}
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protected function autoUpdateDb($errorInfo) {
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if (isset($errorInfo[0])) {
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if ($errorInfo[0] === FreshRSS_DatabaseDAO::ER_BAD_TABLE_ERROR || $errorInfo[0] === FreshRSS_DatabaseDAOPGSQL::UNDEFINED_TABLE) {
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if (stripos($errorInfo[2], 'tag') !== false) {
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return $this->createTagTable(); //v1.12.0
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}
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}
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}
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return false;
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}
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public function addTag($valuesTmp) {
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$sql = 'INSERT INTO `' . $this->prefix . 'tag`(name, attributes) '
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. 'SELECT * FROM (SELECT TRIM(?), TRIM(?)) t2 ' //TRIM() to provide a type hint as text for PostgreSQL
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. 'WHERE NOT EXISTS (SELECT 1 FROM `' . $this->prefix . 'category` WHERE name = TRIM(?))'; //No category of the same name
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$stm = $this->bd->prepare($sql);
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$valuesTmp['name'] = mb_strcut(trim($valuesTmp['name']), 0, 63, 'UTF-8');
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$values = array(
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$valuesTmp['name'],
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isset($valuesTmp['attributes']) ? json_encode($valuesTmp['attributes']) : '',
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$valuesTmp['name'],
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);
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if ($stm && $stm->execute($values)) {
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return $this->bd->lastInsertId('"' . $this->prefix . 'tag_id_seq"');
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} else {
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$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
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Minz_Log::error('SQL error addTag: ' . $info[2]);
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return false;
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}
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}
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public function addTagObject($tag) {
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$tag = $this->searchByName($tag->name());
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if (!$tag) {
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$values = array(
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'name' => $tag->name(),
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'attributes' => $tag->attributes(),
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);
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return $this->addTag($values);
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}
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return $tag->id();
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}
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public function updateTag($id, $valuesTmp) {
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$sql = 'UPDATE `' . $this->prefix . 'tag` SET name=?, attributes=? WHERE id=? '
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. 'AND NOT EXISTS (SELECT 1 FROM `' . $this->prefix . 'category` WHERE name = ?)'; //No category of the same name
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$stm = $this->bd->prepare($sql);
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$valuesTmp['name'] = mb_strcut(trim($valuesTmp['name']), 0, 63, 'UTF-8');
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$values = array(
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$valuesTmp['name'],
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isset($valuesTmp['attributes']) ? json_encode($valuesTmp['attributes']) : '',
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$id,
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$valuesTmp['name'],
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);
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if ($stm && $stm->execute($values)) {
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return $stm->rowCount();
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} else {
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$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
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Minz_Log::error('SQL error updateTag: ' . $info[2]);
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return false;
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}
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}
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public function updateTagAttribute($tag, $key, $value) {
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if ($tag instanceof FreshRSS_Tag) {
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$tag->_attributes($key, $value);
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return $this->updateFeed(
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$tag->id(),
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array('attributes' => $feed->attributes())
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);
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}
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return false;
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}
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public function deleteTag($id) {
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if ($id <= 0) {
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return false;
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}
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$sql = 'DELETE FROM `' . $this->prefix . 'tag` WHERE id=?';
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$stm = $this->bd->prepare($sql);
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$values = array($id);
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if ($stm && $stm->execute($values)) {
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return $stm->rowCount();
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} else {
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$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
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Minz_Log::error('SQL error deleteTag: ' . $info[2]);
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return false;
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}
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}
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public function searchById($id) {
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$sql = 'SELECT * FROM `' . $this->prefix . 'tag` WHERE id=?';
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$stm = $this->bd->prepare($sql);
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$values = array($id);
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$stm->execute($values);
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$res = $stm->fetchAll(PDO::FETCH_ASSOC);
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$tag = self::daoToTag($res);
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return isset($tag[0]) ? $tag[0] : null;
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}
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public function searchByName($name) {
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$sql = 'SELECT * FROM `' . $this->prefix . 'tag` WHERE name=?';
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$stm = $this->bd->prepare($sql);
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$values = array($name);
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$stm->execute($values);
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$res = $stm->fetchAll(PDO::FETCH_ASSOC);
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$tag = self::daoToTag($res);
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return isset($tag[0]) ? $tag[0] : null;
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}
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public function listTags($precounts = false) {
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if ($precounts) {
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$sql = 'SELECT t.id, t.name, count(e.id) AS unreads '
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. 'FROM `' . $this->prefix . 'tag` t '
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. 'LEFT OUTER JOIN `' . $this->prefix . 'entrytag` et ON et.id_tag = t.id '
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. 'LEFT OUTER JOIN `' . $this->prefix . 'entry` e ON et.id_entry = e.id AND e.is_read = 0 '
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. 'GROUP BY t.id '
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. 'ORDER BY t.name';
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} else {
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$sql = 'SELECT * FROM `' . $this->prefix . 'tag` ORDER BY name';
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}
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$stm = $this->bd->prepare($sql);
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if ($stm && $stm->execute()) {
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return self::daoToTag($stm->fetchAll(PDO::FETCH_ASSOC));
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} else {
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$info = $stm == null ? array(0 => '', 1 => '', 2 => 'syntax error') : $stm->errorInfo();
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if ($this->autoUpdateDb($info)) {
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return $this->listTags($precounts);
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}
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Minz_Log::error('SQL error listTags: ' . $info[2]);
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return false;
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}
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}
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public function count() {
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$sql = 'SELECT COUNT(*) AS count FROM `' . $this->prefix . 'tag`';
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$stm = $this->bd->prepare($sql);
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if ($stm && $stm->execute()) {
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$res = $stm->fetchAll(PDO::FETCH_ASSOC);
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return $res[0]['count'];
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} else {
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$info = $stm == null ? array(0 => '', 1 => '', 2 => 'syntax error') : $stm->errorInfo();
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if ($this->autoUpdateDb($info)) {
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return $this->count();
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}
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Minz_Log::error('SQL error TagDAO::count: ' . $info[2]);
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return false;
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}
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}
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public function countEntries($id) {
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$sql = 'SELECT COUNT(*) AS count FROM `' . $this->prefix . 'entrytag` WHERE id_tag=?';
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$stm = $this->bd->prepare($sql);
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$values = array($id);
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$stm->execute($values);
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$res = $stm->fetchAll(PDO::FETCH_ASSOC);
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return $res[0]['count'];
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}
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public function countNotRead($id) {
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$sql = 'SELECT COUNT(*) AS count FROM `' . $this->prefix . 'entrytag` et '
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. 'INNER JOIN `' . $this->prefix . 'entry` e ON et.id_entry=e.id '
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. 'WHERE et.id_tag=? AND e.is_read=0';
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$stm = $this->bd->prepare($sql);
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$values = array($id);
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$stm->execute($values);
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$res = $stm->fetchAll(PDO::FETCH_ASSOC);
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return $res[0]['count'];
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}
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public function tagEntry($id_tag, $id_entry, $checked = true) {
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if ($checked) {
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$sql = 'INSERT ' . $this->sqlIgnore() . ' INTO `' . $this->prefix . 'entrytag`(id_tag, id_entry) VALUES(?, ?)';
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} else {
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$sql = 'DELETE FROM `' . $this->prefix . 'entrytag` WHERE id_tag=? AND id_entry=?';
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}
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$stm = $this->bd->prepare($sql);
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$values = array($id_tag, $id_entry);
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if ($stm && $stm->execute($values)) {
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return true;
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} else {
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$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
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Minz_Log::error('SQL error tagEntry: ' . $info[2]);
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return false;
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}
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}
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public function getTagsForEntry($id_entry) {
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$sql = 'SELECT t.id, t.name, et.id_entry IS NOT NULL as checked '
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. 'FROM `' . $this->prefix . 'tag` t '
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. 'LEFT OUTER JOIN `' . $this->prefix . 'entrytag` et ON et.id_tag = t.id AND et.id_entry=? '
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. 'ORDER BY t.name';
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$stm = $this->bd->prepare($sql);
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$values = array($id_entry);
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if ($stm && $stm->execute($values)) {
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$lines = $stm->fetchAll(PDO::FETCH_ASSOC);
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for ($i = count($lines) - 1; $i >= 0; $i--) {
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$lines[$i]['id'] = intval($lines[$i]['id']);
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$lines[$i]['checked'] = !empty($lines[$i]['checked']);
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}
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return $lines;
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} else {
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$info = $stm == null ? array(0 => '', 1 => '', 2 => 'syntax error') : $stm->errorInfo();
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if ($this->autoUpdateDb($info)) {
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return $this->getTagsForEntry($id_entry);
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}
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Minz_Log::error('SQL error getTagsForEntry: ' . $info[2]);
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return false;
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}
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}
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public function getTagsForEntries($entries) {
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$sql = 'SELECT et.id_entry, et.id_tag, t.name '
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. 'FROM `' . $this->prefix . 'tag` t '
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. 'INNER JOIN `' . $this->prefix . 'entrytag` et ON et.id_tag = t.id';
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$values = array();
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if (is_array($entries) && count($entries) > 0) {
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$sql .= ' AND et.id_entry IN (' . str_repeat('?,', count($entries) - 1). '?)';
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if (is_array($entries[0])) {
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foreach ($entries as $entry) {
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$values[] = $entry['id'];
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}
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} elseif (is_object($entries[0])) {
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foreach ($entries as $entry) {
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$values[] = $entry->id();
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}
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} else {
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foreach ($entries as $entry) {
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$values[] = $entry;
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}
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}
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}
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$stm = $this->bd->prepare($sql);
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if ($stm && $stm->execute($values)) {
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return $stm->fetchAll(PDO::FETCH_ASSOC);
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} else {
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$info = $stm == null ? array(0 => '', 1 => '', 2 => 'syntax error') : $stm->errorInfo();
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if ($this->autoUpdateDb($info)) {
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return $this->getTagsForEntries($entries);
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}
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Minz_Log::error('SQL error getTagsForEntries: ' . $info[2]);
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return false;
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}
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}
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//For API
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public function getEntryIdsTagNames($entries) {
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$result = array();
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foreach ($this->getTagsForEntries($entries) as $line) {
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$entryId = 'e_' . $line['id_entry'];
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$tagName = $line['name'];
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if (empty($result[$entryId])) {
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$result[$entryId] = array();
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}
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$result[$entryId][] = $tagName;
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}
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return $result;
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}
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public static function daoToTag($listDAO) {
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$list = array();
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if (!is_array($listDAO)) {
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$listDAO = array($listDAO);
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}
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foreach ($listDAO as $key => $dao) {
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$tag = new FreshRSS_Tag(
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$dao['name']
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);
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$tag->_id($dao['id']);
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if (!empty($dao['attributes'])) {
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$tag->_attributes('', $dao['attributes']);
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}
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if (isset($dao['unreads'])) {
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$tag->_nbUnread($dao['unreads']);
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}
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$list[$key] = $tag;
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}
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return $list;
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}
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}
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