wallabag/inc/poche/Database.class.php

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<?php
/**
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* wallabag, self hostable application allowing you to not miss any content anymore
*
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* @category wallabag
* @author Nicolas Lœuillet <nicolas@loeuillet.org>
* @copyright 2013
* @license http://opensource.org/licenses/MIT see COPYING file
*/
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class Database {
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var $handle;
private $order = array (
'ia' => 'ORDER BY entries.id',
'id' => 'ORDER BY entries.id DESC',
'ta' => 'ORDER BY lower(entries.title)',
'td' => 'ORDER BY lower(entries.title) DESC',
'default' => 'ORDER BY entries.id'
);
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function __construct()
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{
switch (STORAGE) {
case 'sqlite':
// Check if /db is writeable
if ( !is_writable(STORAGE_SQLITE) || !is_writable(dirname(STORAGE_SQLITE))) {
die('An error occured: "db" directory must be writeable for your web server user!');
}
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$db_path = 'sqlite:' . STORAGE_SQLITE;
$this->handle = new PDO($db_path);
break;
case 'mysql':
$db_path = 'mysql:host=' . STORAGE_SERVER . ';dbname=' . STORAGE_DB;
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$this->handle = new PDO($db_path, STORAGE_USER, STORAGE_PASSWORD);
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break;
case 'postgres':
$db_path = 'pgsql:host=' . STORAGE_SERVER . ';dbname=' . STORAGE_DB;
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$this->handle = new PDO($db_path, STORAGE_USER, STORAGE_PASSWORD);
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break;
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default:
die(STORAGE . ' is not a recognised database system !');
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}
$this->handle->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$this->_checkTags();
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Tools::logm('storage type ' . STORAGE);
}
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private function getHandle()
{
return $this->handle;
}
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private function _checkTags()
{
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if (STORAGE == 'sqlite') {
$sql = '
CREATE TABLE IF NOT EXISTS tags (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL UNIQUE,
value TEXT
)';
}
elseif(STORAGE == 'mysql') {
$sql = '
CREATE TABLE IF NOT EXISTS `tags` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`value` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
';
}
else {
$sql = '
CREATE TABLE IF NOT EXISTS tags (
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id bigserial primary key,
value varchar(255) NOT NULL
);
';
}
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$query = $this->executeQuery($sql, array());
if (STORAGE == 'sqlite') {
$sql = '
CREATE TABLE IF NOT EXISTS tags_entries (
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id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL UNIQUE,
entry_id INTEGER,
tag_id INTEGER,
FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE
)';
}
elseif(STORAGE == 'mysql') {
$sql = '
CREATE TABLE IF NOT EXISTS `tags_entries` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`entry_id` int(11) NOT NULL,
`tag_id` int(11) NOT NULL,
FOREIGN KEY(entry_id) REFERENCES entries(id) ON DELETE CASCADE,
FOREIGN KEY(tag_id) REFERENCES tags(id) ON DELETE CASCADE,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
';
}
else {
$sql = '
CREATE TABLE IF NOT EXISTS tags_entries (
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id bigserial primary key,
entry_id integer NOT NULL,
tag_id integer NOT NULL
)
';
}
$query = $this->executeQuery($sql, array());
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}
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public function install($login, $password, $email = '')
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{
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$sql = 'INSERT INTO users ( username, password, name, email) VALUES (?, ?, ?, ?)';
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$params = array($login, $password, $login, $email);
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$query = $this->executeQuery($sql, $params);
$sequence = '';
if (STORAGE == 'postgres') {
$sequence = 'users_id_seq';
}
$id_user = intval($this->getLastId($sequence));
$sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
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$params = array($id_user, 'pager', PAGINATION);
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$query = $this->executeQuery($sql, $params);
$sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
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$params = array($id_user, 'language', LANG);
$query = $this->executeQuery($sql, $params);
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$sql = 'INSERT INTO users_config ( user_id, name, value ) VALUES (?, ?, ?)';
$params = array($id_user, 'theme', DEFAULT_THEME);
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$query = $this->executeQuery($sql, $params);
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return TRUE;
}
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public function getConfigUser($id)
{
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$sql = "SELECT * FROM users_config WHERE user_id = ?";
$query = $this->executeQuery($sql, array($id));
$result = $query->fetchAll();
$user_config = array();
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foreach ($result as $key => $value) {
$user_config[$value['name']] = $value['value'];
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}
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return $user_config;
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}
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public function userExists($username)
{
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$sql = "SELECT * FROM users WHERE username=?";
$query = $this->executeQuery($sql, array($username));
$login = $query->fetchAll();
if (isset($login[0])) {
return true;
} else {
return false;
}
}
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public function login($username, $password, $isauthenticated = FALSE)
{
if ($isauthenticated) {
$sql = "SELECT * FROM users WHERE username=?";
$query = $this->executeQuery($sql, array($username));
} else {
$sql = "SELECT * FROM users WHERE username=? AND password=?";
$query = $this->executeQuery($sql, array($username, $password));
}
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$login = $query->fetchAll();
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$user = array();
if (isset($login[0])) {
$user['id'] = $login[0]['id'];
$user['username'] = $login[0]['username'];
$user['password'] = $login[0]['password'];
$user['name'] = $login[0]['name'];
$user['email'] = $login[0]['email'];
$user['config'] = $this->getConfigUser($login[0]['id']);
}
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return $user;
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}
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public function updatePassword($userId, $password)
{
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$sql_update = "UPDATE users SET password=? WHERE id=?";
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$params_update = array($password, $userId);
$query = $this->executeQuery($sql_update, $params_update);
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}
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public function updateUserConfig($userId, $key, $value)
{
$config = $this->getConfigUser($userId);
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if (! isset($config[$key])) {
$sql = "INSERT INTO users_config (value, user_id, name) VALUES (?, ?, ?)";
}
else {
$sql = "UPDATE users_config SET value=? WHERE user_id=? AND name=?";
}
$params = array($value, $userId, $key);
$query = $this->executeQuery($sql, $params);
}
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private function executeQuery($sql, $params)
{
try
{
$query = $this->getHandle()->prepare($sql);
$query->execute($params);
return $query;
}
catch (Exception $e)
{
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Tools::logm('execute query error : '.$e->getMessage());
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return FALSE;
}
}
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public function listUsers($username = NULL)
{
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$sql = 'SELECT count(*) FROM users'.( $username ? ' WHERE username=?' : '');
$query = $this->executeQuery($sql, ( $username ? array($username) : array()));
list($count) = $query->fetch();
return $count;
}
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public function getUserPassword($userID)
{
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$sql = "SELECT * FROM users WHERE id=?";
$query = $this->executeQuery($sql, array($userID));
$password = $query->fetchAll();
return isset($password[0]['password']) ? $password[0]['password'] : null;
}
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public function deleteUserConfig($userID)
{
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$sql_action = 'DELETE from users_config WHERE user_id=?';
$params_action = array($userID);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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public function deleteTagsEntriesAndEntries($userID)
{
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$entries = $this->retrieveAll($userID);
foreach($entries as $entryid) {
$tags = $this->retrieveTagsByEntry($entryid);
foreach($tags as $tag) {
$this->removeTagForEntry($entryid,$tags);
}
$this->deleteById($entryid,$userID);
}
}
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public function deleteUser($userID)
{
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$sql_action = 'DELETE from users WHERE id=?';
$params_action = array($userID);
$query = $this->executeQuery($sql_action, $params_action);
}
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public function updateContentAndTitle($id, $title, $body, $user_id)
{
$sql_action = 'UPDATE entries SET content = ?, title = ? WHERE id=? AND user_id=?';
$params_action = array($body, $title, $id, $user_id);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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public function retrieveUnfetchedEntries($user_id, $limit)
{
$sql_limit = "LIMIT 0,".$limit;
if (STORAGE == 'postgres') {
$sql_limit = "LIMIT ".$limit." OFFSET 0";
}
$sql = "SELECT * FROM entries WHERE (content = '' OR content IS NULL) AND title LIKE 'Untitled - Import%' AND user_id=? ORDER BY id " . $sql_limit;
$query = $this->executeQuery($sql, array($user_id));
$entries = $query->fetchAll();
return $entries;
}
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public function retrieveUnfetchedEntriesCount($user_id)
{
$sql = "SELECT count(*) FROM entries WHERE (content = '' OR content IS NULL) AND title LIKE 'Untitled - Import%' AND user_id=?";
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$query = $this->executeQuery($sql, array($user_id));
list($count) = $query->fetch();
return $count;
}
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public function retrieveAll($user_id)
{
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$sql = "SELECT * FROM entries WHERE user_id=? ORDER BY id";
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$query = $this->executeQuery($sql, array($user_id));
$entries = $query->fetchAll();
return $entries;
}
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public function retrieveOneById($id, $user_id)
{
$entry = NULL;
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$sql = "SELECT * FROM entries WHERE id=? AND user_id=?";
$params = array(intval($id), $user_id);
$query = $this->executeQuery($sql, $params);
$entry = $query->fetchAll();
return isset($entry[0]) ? $entry[0] : null;
}
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public function retrieveOneByURL($url, $user_id)
{
$entry = NULL;
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$sql = "SELECT * FROM entries WHERE url=? AND user_id=?";
$params = array($url, $user_id);
$query = $this->executeQuery($sql, $params);
$entry = $query->fetchAll();
return isset($entry[0]) ? $entry[0] : null;
}
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public function reassignTags($old_entry_id, $new_entry_id)
{
$sql = "UPDATE tags_entries SET entry_id=? WHERE entry_id=?";
$params = array($new_entry_id, $old_entry_id);
$query = $this->executeQuery($sql, $params);
}
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public function getEntriesByView($view, $user_id, $limit = '', $tag_id = 0)
{
switch ($view) {
case 'archive':
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$sql = "SELECT * FROM entries WHERE user_id=? AND is_read=? ";
$params = array($user_id, 1);
break;
case 'fav' :
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$sql = "SELECT * FROM entries WHERE user_id=? AND is_fav=? ";
$params = array($user_id, 1);
break;
case 'tag' :
$sql = "SELECT entries.* FROM entries
LEFT JOIN tags_entries ON tags_entries.entry_id=entries.id
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WHERE entries.user_id=? AND tags_entries.tag_id = ? ";
$params = array($user_id, $tag_id);
break;
default:
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$sql = "SELECT * FROM entries WHERE user_id=? AND is_read=? ";
$params = array($user_id, 0);
break;
}
$sql .= $this->getEntriesOrder().' ' . $limit;
$query = $this->executeQuery($sql, $params);
$entries = $query->fetchAll();
return $entries;
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}
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public function getEntriesByViewCount($view, $user_id, $tag_id = 0)
{
switch ($view) {
case 'archive':
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$sql = "SELECT count(*) FROM entries WHERE user_id=? AND is_read=? ";
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$params = array($user_id, 1);
break;
case 'fav' :
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$sql = "SELECT count(*) FROM entries WHERE user_id=? AND is_fav=? ";
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$params = array($user_id, 1);
break;
case 'tag' :
$sql = "SELECT count(*) FROM entries
LEFT JOIN tags_entries ON tags_entries.entry_id=entries.id
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WHERE entries.user_id=? AND tags_entries.tag_id = ? ";
$params = array($user_id, $tag_id);
break;
default:
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$sql = "SELECT count(*) FROM entries WHERE user_id=? AND is_read=? ";
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$params = array($user_id, 0);
break;
}
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$query = $this->executeQuery($sql, $params);
list($count) = $query->fetch();
return $count;
}
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public function updateContent($id, $content, $user_id)
{
$sql_action = 'UPDATE entries SET content = ? WHERE id=? AND user_id=?';
$params_action = array($content, $id, $user_id);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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/**
*
* @param string $url
* @param string $title
* @param string $content
* @param integer $user_id
* @return integer $id of inserted record
*/
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public function add($url, $title, $content, $user_id, $isFavorite=0, $isRead=0)
{
$sql_action = 'INSERT INTO entries ( url, title, content, user_id, is_fav, is_read ) VALUES (?, ?, ?, ?, ?, ?)';
$params_action = array($url, $title, $content, $user_id, $isFavorite, $isRead);
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if ( !$this->executeQuery($sql_action, $params_action) ) {
$id = null;
}
else {
$id = intval($this->getLastId( (STORAGE == 'postgres') ? 'entries_id_seq' : '') );
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}
return $id;
}
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public function deleteById($id, $user_id)
{
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$sql_action = "DELETE FROM entries WHERE id=? AND user_id=?";
$params_action = array($id, $user_id);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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public function favoriteById($id, $user_id)
{
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$sql_action = "UPDATE entries SET is_fav=NOT is_fav WHERE id=? AND user_id=?";
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$params_action = array($id, $user_id);
$query = $this->executeQuery($sql_action, $params_action);
}
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public function archiveById($id, $user_id)
{
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$sql_action = "UPDATE entries SET is_read=NOT is_read WHERE id=? AND user_id=?";
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$params_action = array($id, $user_id);
$query = $this->executeQuery($sql_action, $params_action);
}
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public function archiveAll($user_id)
{
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$sql_action = "UPDATE entries SET is_read=? WHERE user_id=? AND is_read=?";
$params_action = array($user_id, 1, 0);
$query = $this->executeQuery($sql_action, $params_action);
}
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public function getLastId($column = '')
{
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return $this->getHandle()->lastInsertId($column);
}
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public function search($term, $user_id, $limit = '')
{
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$search = '%'.$term.'%';
$sql_action = "SELECT * FROM entries WHERE user_id=? AND (content LIKE ? OR title LIKE ? OR url LIKE ?) "; //searches in content, title and URL
$sql_action .= $this->getEntriesOrder().' ' . $limit;
$params_action = array($user_id, $search, $search, $search);
$query = $this->executeQuery($sql_action, $params_action);
return $query->fetchAll();
}
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public function retrieveAllTags($user_id, $term = NULL)
{
$sql = "SELECT DISTINCT tags.*, count(entries.id) AS entriescount FROM tags
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LEFT JOIN tags_entries ON tags_entries.tag_id=tags.id
LEFT JOIN entries ON tags_entries.entry_id=entries.id
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WHERE entries.user_id=?
". (($term) ? "AND lower(tags.value) LIKE ?" : '') ."
GROUP BY tags.id, tags.value
ORDER BY tags.value";
$query = $this->executeQuery($sql, (($term)? array($user_id, strtolower('%'.$term.'%')) : array($user_id) ));
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$tags = $query->fetchAll();
return $tags;
}
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public function retrieveTag($id, $user_id)
{
$tag = NULL;
$sql = "SELECT DISTINCT tags.* FROM tags
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LEFT JOIN tags_entries ON tags_entries.tag_id=tags.id
LEFT JOIN entries ON tags_entries.entry_id=entries.id
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WHERE tags.id=? AND entries.user_id=?";
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$params = array(intval($id), $user_id);
$query = $this->executeQuery($sql, $params);
$tag = $query->fetchAll();
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return isset($tag[0]) ? $tag[0] : NULL;
}
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public function retrieveEntriesByTag($tag_id, $user_id)
{
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$sql =
"SELECT entries.* FROM entries
LEFT JOIN tags_entries ON tags_entries.entry_id=entries.id
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WHERE tags_entries.tag_id = ? AND entries.user_id=? ORDER by entries.id DESC";
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$query = $this->executeQuery($sql, array($tag_id, $user_id));
$entries = $query->fetchAll();
return $entries;
}
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public function retrieveTagsByEntry($entry_id)
{
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$sql =
"SELECT tags.* FROM tags
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LEFT JOIN tags_entries ON tags_entries.tag_id=tags.id
WHERE tags_entries.entry_id = ?";
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$query = $this->executeQuery($sql, array($entry_id));
$tags = $query->fetchAll();
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return $tags;
}
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public function removeTagForEntry($entry_id, $tag_id)
{
$sql_action = "DELETE FROM tags_entries WHERE tag_id=? AND entry_id=?";
$params_action = array($tag_id, $entry_id);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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public function cleanUnusedTag($tag_id)
{
$sql_action = "SELECT tags.* FROM tags JOIN tags_entries ON tags_entries.tag_id=tags.id WHERE tags.id=?";
$query = $this->executeQuery($sql_action,array($tag_id));
$tagstokeep = $query->fetchAll();
$sql_action = "SELECT tags.* FROM tags LEFT JOIN tags_entries ON tags_entries.tag_id=tags.id WHERE tags.id=?";
$query = $this->executeQuery($sql_action,array($tag_id));
$alltags = $query->fetchAll();
foreach ($alltags as $tag) {
if ($tag && !in_array($tag,$tagstokeep)) {
$sql_action = "DELETE FROM tags WHERE id=?";
$params_action = array($tag[0]);
$this->executeQuery($sql_action, $params_action);
return true;
}
}
}
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public function retrieveTagByValue($value)
{
$tag = NULL;
$sql = "SELECT * FROM tags WHERE value=?";
$params = array($value);
$query = $this->executeQuery($sql, $params);
$tag = $query->fetchAll();
return isset($tag[0]) ? $tag[0] : null;
}
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public function createTag($value)
{
$sql_action = 'INSERT INTO tags ( value ) VALUES (?)';
$params_action = array($value);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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public function setTagToEntry($tag_id, $entry_id)
{
$sql_action = 'INSERT INTO tags_entries ( tag_id, entry_id ) VALUES (?, ?)';
$params_action = array($tag_id, $entry_id);
$query = $this->executeQuery($sql_action, $params_action);
return $query;
}
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private function getEntriesOrder()
{
if (isset($_SESSION['sort']) and array_key_exists($_SESSION['sort'], $this->order)) {
return $this->order[$_SESSION['sort']];
}
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else {
return $this->order['default'];
}
}
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}