public static function getAllAdvanced($libraryID, $onlyTopLevel = false, $params)
{
$results = array('collections' => array(), 'total' => 0);
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$sql = "SELECT SQL_CALC_FOUND_ROWS collectionID FROM collections\n\t\t\t\tWHERE libraryID=? ";
if ($onlyTopLevel) {
$sql .= "AND parentCollectionID IS NULL ";
}
if (!empty($params['order'])) {
$order = $params['order'];
if ($order == 'title') {
$order = 'collectionName';
}
$sql .= "ORDER BY {$order} ";
if (!empty($params['sort'])) {
$sql .= $params['sort'] . " ";
}
}
$sqlParams = array($libraryID);
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
$ids = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
if ($ids) {
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
$collections = array();
foreach ($ids as $id) {
$collections[] = self::get($libraryID, $id);
}
$results['collections'] = $collections;
}
return $results;
}
/**
* Check if search exists in the database
*
* @return bool TRUE if the item exists, FALSE if not
*/
public function exists()
{
if (!$this->id) {
trigger_error('$this->id not set');
}
$sql = "SELECT COUNT(*) FROM savedSearches WHERE searchID=?";
return !!Zotero_DB::valueQuery($sql, $this->id, Zotero_Shards::getByLibraryID($this->libraryID));
}
public static function getName($charsetOrCharsetID)
{
if (isset(self::$charsets[$charsetOrCharsetID])) {
return self::$charsets[$charsetOrCharsetID];
}
$sql = "(SELECT charset FROM charsets WHERE charsetID=?) UNION\n\t\t\t\t(SELECT charset FROM charsets WHERE charset=?) LIMIT 1";
$charset = Zotero_DB::valueQuery($sql, array($charsetOrCharsetID, $charsetOrCharsetID));
self::$charsets[$charsetOrCharsetID] = $charset;
return $charset;
}
public static function generate()
{
$tries = 5;
while ($tries > 0) {
$str = Zotero_Utilities::randomString(24, 'mixed');
$sql = "SELECT COUNT(*) FROM `keys` WHERE `key`=?";
if (Zotero_DB::valueQuery($sql, $str)) {
$tries--;
continue;
}
return $str;
}
throw new Exception("Unique key could not be generated");
}
public static function get($libraryID, $creatorID, $skipCheck = false)
{
if (!$libraryID) {
throw new Exception("Library ID not set");
}
if (!$creatorID) {
throw new Exception("Creator ID not set");
}
if (!empty(self::$creatorsByID[$creatorID])) {
return self::$creatorsByID[$creatorID];
}
if (!$skipCheck) {
$sql = 'SELECT COUNT(*) FROM creators WHERE creatorID=?';
$result = Zotero_DB::valueQuery($sql, $creatorID, Zotero_Shards::getByLibraryID($libraryID));
if (!$result) {
return false;
}
}
$creator = new Zotero_Creator();
$creator->libraryID = $libraryID;
$creator->id = $creatorID;
self::$creatorsByID[$creatorID] = $creator;
return self::$creatorsByID[$creatorID];
}
private static function countDeletedObjectKeys($userID, $timestamp, $updatedLibraryIDs)
{
/*
$sql = "SELECT version FROM version WHERE schema='syncdeletelog'";
$syncLogStart = Zotero_DB::valueQuery($sql);
if (!$syncLogStart) {
throw ('Sync log start time not found');
}
*/
/*
// Last sync time is before start of log
if ($lastSyncDate && new Date($syncLogStart * 1000) > $lastSyncDate) {
return -1;
}
*/
$shardLibraryIDs = array();
// Personal library
$shardID = Zotero_Shards::getByUserID($userID);
$libraryID = Zotero_Users::getLibraryIDFromUserID($userID);
if (in_array($libraryID, $updatedLibraryIDs)) {
$shardLibraryIDs[$shardID] = array($libraryID);
}
// Group libraries
$groupIDs = Zotero_Groups::getUserGroups($userID);
if ($groupIDs) {
// Separate groups into shards for querying
foreach ($groupIDs as $groupID) {
$libraryID = Zotero_Groups::getLibraryIDFromGroupID($groupID);
// If library hasn't changed, skip
if (!in_array($libraryID, $updatedLibraryIDs)) {
continue;
}
$shardID = Zotero_Shards::getByLibraryID($libraryID);
if (!isset($shardLibraryIDs[$shardID])) {
$shardLibraryIDs[$shardID] = array();
}
$shardLibraryIDs[$shardID][] = $libraryID;
}
}
// Send query at each shard
$rows = array();
$count = 0;
foreach ($shardLibraryIDs as $shardID => $libraryIDs) {
$sql = "SELECT COUNT(*) FROM syncDeleteLogKeys WHERE libraryID IN (" . implode(', ', array_fill(0, sizeOf($libraryIDs), '?')) . ") " . "AND objectType != 'tagName'";
$params = $libraryIDs;
if ($timestamp) {
$sql .= " AND timestamp >= FROM_UNIXTIME(?)";
$params[] = $timestamp;
}
$count += Zotero_DB::valueQuery($sql, $params, $shardID);
}
return $count;
}
public static function getLastStorageSync($libraryID)
{
$sql = "SELECT UNIX_TIMESTAMP(serverDateModified) AS time FROM items\n\t\t\t\tJOIN storageFileItems USING (itemID) WHERE libraryID=?\n\t\t\t\tORDER BY time DESC LIMIT 1";
return Zotero_DB::valueQuery($sql, $libraryID, Zotero_Shards::getByLibraryID($libraryID));
}
public function numItems($includeDeleted = false)
{
$sql = "SELECT COUNT(*) FROM collectionItems ";
if (!$includeDeleted) {
$sql .= "LEFT JOIN deletedItems DI USING (itemID)";
}
$sql .= "WHERE collectionID=?";
if (!$includeDeleted) {
$sql .= " AND DI.itemID IS NULL";
}
return Zotero_DB::valueQuery($sql, $this->id, Zotero_Shards::getByLibraryID($this->libraryID));
}
public static function isLocked($libraryID)
{
$sql = "SELECT COUNT(*) FROM syncUploadQueueLocks WHERE libraryID=?";
if (Zotero_DB::valueQuery($sql, $libraryID)) {
return true;
}
$sql = "SELECT COUNT(*) FROM syncProcessLocks WHERE libraryID=?";
return !!Zotero_DB::valueQuery($sql, $libraryID);
}
public function numTags() {
if (!$this->id) {
return 0;
}
$sql = "SELECT COUNT(*) FROM itemTags WHERE itemID=?";
return (int) Zotero_DB::valueQuery($sql, $this->id, Zotero_Shards::getByLibraryID($this->libraryID));
}
private static function checkForLibrary($libraryID, $shardID)
{
$tables = array('collections', 'creators', 'items', 'relations', 'savedSearches', 'shardLibraries', 'tags', 'syncDeleteLogIDs', 'syncDeleteLogKeys');
foreach ($tables as $table) {
$sql = "SELECT COUNT(*) FROM {$table} WHERE libraryID=?";
if (Zotero_DB::valueQuery($sql, $libraryID, $shardID)) {
return true;
}
}
return false;
}
public static function search($libraryID, $onlyTopLevel = false, $params)
{
$results = array('results' => array(), 'total' => 0);
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$sql = "SELECT SQL_CALC_FOUND_ROWS DISTINCT ";
if ($params['format'] == 'keys') {
$sql .= "`key`";
} else {
$sql .= "`key`, version";
}
$sql .= " FROM collections WHERE libraryID=? ";
$sqlParams = array($libraryID);
if ($onlyTopLevel) {
$sql .= "AND parentCollectionID IS NULL ";
}
// Pass a list of collectionIDs, for when the initial search is done via SQL
$collectionIDs = !empty($params['collectionIDs']) ? $params['collectionIDs'] : array();
$collectionKeys = $params['collectionKey'];
if ($collectionIDs) {
$sql .= "AND collectionID IN (" . implode(', ', array_fill(0, sizeOf($collectionIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $collectionIDs);
}
if ($collectionKeys) {
$sql .= "AND `key` IN (" . implode(', ', array_fill(0, sizeOf($collectionKeys), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $collectionKeys);
}
if (!empty($params['q'])) {
$sql .= "AND collectionName LIKE ? ";
$sqlParams[] = '%' . $params['q'] . '%';
}
if (!empty($params['since'])) {
$sql .= "AND version > ? ";
$sqlParams[] = $params['since'];
}
// TEMP: for sync transition
if (!empty($params['sincetime'])) {
$sql .= "AND serverDateModified >= FROM_UNIXTIME(?) ";
$sqlParams[] = $params['sincetime'];
}
if (!empty($params['sort'])) {
switch ($params['sort']) {
case 'title':
$orderSQL = 'collectionName';
break;
case 'collectionKeyList':
$orderSQL = "FIELD(`key`," . implode(',', array_fill(0, sizeOf($collectionKeys), '?')) . ")";
$sqlParams = array_merge($sqlParams, $collectionKeys);
break;
default:
$orderSQL = $params['sort'];
}
$sql .= "ORDER BY {$orderSQL}";
if (!empty($params['direction'])) {
$sql .= " {$params['direction']}";
}
$sql .= ", ";
}
$sql .= "version " . (!empty($params['direction']) ? $params['direction'] : "ASC") . ", collectionID " . (!empty($params['direction']) ? $params['direction'] : "ASC") . " ";
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
if ($params['format'] == 'keys') {
$rows = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
} else {
$rows = Zotero_DB::query($sql, $sqlParams, $shardID);
}
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
if ($rows) {
if ($params['format'] == 'keys') {
$results['results'] = $rows;
} else {
if ($params['format'] == 'versions') {
foreach ($rows as $row) {
$results['results'][$row['key']] = $row['version'];
}
} else {
$collections = [];
foreach ($rows as $row) {
$obj = self::getByLibraryAndKey($libraryID, $row['key']);
$obj->setAvailableVersion($row['version']);
$collections[] = $obj;
}
$results['results'] = $collections;
}
}
}
return $results;
}
public static function search($libraryID, $onlyTopLevel = false, $params = array(), $includeTrashed = false, $asKeys = false)
{
$rnd = "_" . uniqid($libraryID . "_");
if ($asKeys) {
$results = array('keys' => array(), 'total' => 0);
} else {
$results = array('items' => array(), 'total' => 0);
}
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$itemIDs = array();
$keys = array();
$deleteTempTable = array();
// Pass a list of itemIDs, for when the initial search is done via SQL
if (!empty($params['itemIDs'])) {
$itemIDs = $params['itemIDs'];
}
if (!empty($params['itemKey'])) {
$keys = explode(',', $params['itemKey']);
}
$titleSort = !empty($params['order']) && $params['order'] == 'title';
$sql = "SELECT SQL_CALC_FOUND_ROWS DISTINCT " . ($asKeys ? "I.key" : "I.itemID") . " FROM items I ";
$sqlParams = array($libraryID);
if (!empty($params['q']) || $titleSort) {
$titleFieldIDs = array_merge(array(Zotero_ItemFields::getID('title')), Zotero_ItemFields::getTypeFieldsFromBase('title'));
$sql .= "LEFT JOIN itemData IDT ON (IDT.itemID=I.itemID AND IDT.fieldID IN (" . implode(',', $titleFieldIDs) . ")) ";
}
if (!empty($params['q'])) {
$sql .= "LEFT JOIN itemCreators IC ON (IC.itemID=I.itemID)\n\t\t\t\t\tLEFT JOIN creators C ON (C.creatorID=IC.creatorID) ";
}
if ($onlyTopLevel || !empty($params['q']) || $titleSort) {
$sql .= "LEFT JOIN itemNotes INo ON (INo.itemID=I.itemID) ";
}
if ($onlyTopLevel) {
$sql .= "LEFT JOIN itemAttachments IA ON (IA.itemID=I.itemID) ";
}
if (!$includeTrashed) {
$sql .= "LEFT JOIN deletedItems DI ON (DI.itemID=I.itemID) ";
}
if (!empty($params['order'])) {
switch ($params['order']) {
case 'title':
case 'creator':
$sql .= "LEFT JOIN itemSortFields ISF ON (ISF.itemID=I.itemID) ";
break;
case 'date':
$dateFieldIDs = array_merge(array(Zotero_ItemFields::getID('date')), Zotero_ItemFields::getTypeFieldsFromBase('date'));
$sql .= "LEFT JOIN itemData IDD ON (IDD.itemID=I.itemID AND IDD.fieldID IN (" . implode(',', $dateFieldIDs) . ")) ";
break;
case 'itemType':
// Create temporary table to store item type names
//
// We use IF NOT EXISTS just to make sure there are
// no problems with restoration from the binary log
$sql2 = "CREATE TEMPORARY TABLE IF NOT EXISTS tmpItemTypeNames{$rnd}\n\t\t\t\t\t\t\t(itemTypeID SMALLINT UNSIGNED NOT NULL,\n\t\t\t\t\t\t\titemTypeName VARCHAR(255) NOT NULL,\n\t\t\t\t\t\t\tPRIMARY KEY (itemTypeID),\n\t\t\t\t\t\t\tINDEX (itemTypeName))";
Zotero_DB::query($sql2, false, $shardID);
$deleteTempTable['tmpItemTypeNames'] = true;
$types = Zotero_ItemTypes::getAll('en-US');
foreach ($types as $type) {
$sql2 = "INSERT INTO tmpItemTypeNames{$rnd} VALUES (?, ?)";
Zotero_DB::query($sql2, array($type['id'], $type['localized']), $shardID);
}
// Join temp table to query
$sql .= "JOIN tmpItemTypeNames{$rnd} TITN ON (TITN.itemTypeID=I.itemTypeID) ";
break;
case 'addedBy':
$isGroup = Zotero_Libraries::getType($libraryID) == 'group';
if ($isGroup) {
// Create temporary table to store usernames
//
// We use IF NOT EXISTS just to make sure there are
// no problems with restoration from the binary log
$sql2 = "CREATE TEMPORARY TABLE IF NOT EXISTS tmpCreatedByUsers{$rnd}\n\t\t\t\t\t\t\t\t(userID INT UNSIGNED NOT NULL,\n\t\t\t\t\t\t\t\tusername VARCHAR(255) NOT NULL,\n\t\t\t\t\t\t\t\tPRIMARY KEY (userID),\n\t\t\t\t\t\t\t\tINDEX (username))";
Zotero_DB::query($sql2, false, $shardID);
$deleteTempTable['tmpCreatedByUsers'] = true;
$sql2 = "SELECT DISTINCT createdByUserID FROM items\n\t\t\t\t\t\t\t\tJOIN groupItems USING (itemID) WHERE\n\t\t\t\t\t\t\t\tcreatedByUserID IS NOT NULL AND ";
if ($itemIDs) {
$sql2 .= "itemID IN (" . implode(', ', array_fill(0, sizeOf($itemIDs), '?')) . ") ";
$createdByUserIDs = Zotero_DB::columnQuery($sql2, $itemIDs, $shardID);
} else {
$sql2 .= "libraryID=?";
$createdByUserIDs = Zotero_DB::columnQuery($sql2, $libraryID, $shardID);
}
// Populate temp table with usernames
if ($createdByUserIDs) {
$toAdd = array();
foreach ($createdByUserIDs as $createdByUserID) {
$toAdd[] = array($createdByUserID, Zotero_Users::getUsername($createdByUserID));
}
$sql2 = "INSERT IGNORE INTO tmpCreatedByUsers{$rnd} VALUES ";
Zotero_DB::bulkInsert($sql2, $toAdd, 50, false, $shardID);
// Join temp table to query
$sql .= "JOIN groupItems GI ON (GI.itemID=I.itemID)\n\t\t\t\t\t\t\t\t\tJOIN tmpCreatedByUsers{$rnd} TCBU ON (TCBU.userID=GI.createdByUserID) ";
}
}
break;
}
}
$sql .= "WHERE I.libraryID=? ";
if ($onlyTopLevel) {
$sql .= "AND INo.sourceItemID IS NULL AND IA.sourceItemID IS NULL ";
}
if (!$includeTrashed) {
$sql .= "AND DI.itemID IS NULL ";
}
// Search on title and creators
if (!empty($params['q'])) {
$sql .= "AND (";
$sql .= "IDT.value LIKE ? ";
$sqlParams[] = '%' . $params['q'] . '%';
$sql .= "OR title LIKE ? ";
$sqlParams[] = '%' . $params['q'] . '%';
$sql .= "OR TRIM(CONCAT(firstName, ' ', lastName)) LIKE ?";
$sqlParams[] = '%' . $params['q'] . '%';
$sql .= ") ";
}
// Search on itemType
if (!empty($params['itemType'])) {
$itemTypes = Zotero_API::getSearchParamValues($params, 'itemType');
if ($itemTypes) {
if (sizeOf($itemTypes) > 1) {
throw new Exception("Cannot specify 'itemType' more than once", Z_ERROR_INVALID_INPUT);
}
$itemTypes = $itemTypes[0];
$itemTypeIDs = array();
foreach ($itemTypes['values'] as $itemType) {
$itemTypeID = Zotero_ItemTypes::getID($itemType);
if (!$itemTypeID) {
throw new Exception("Invalid itemType '{$itemType}'", Z_ERROR_INVALID_INPUT);
}
$itemTypeIDs[] = $itemTypeID;
}
$sql .= "AND I.itemTypeID " . ($itemTypes['negation'] ? "NOT " : "") . "IN (" . implode(',', array_fill(0, sizeOf($itemTypeIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $itemTypeIDs);
}
}
// Tags
//
// ?tag=foo
// ?tag=foo bar // phrase
// ?tag=-foo // negation
// ?tag=\-foo // literal hyphen (only for first character)
// ?tag=foo&tag=bar // AND
// ?tag=foo&tagType=0
// ?tag=foo bar || bar&tagType=0
$tagSets = Zotero_API::getSearchParamValues($params, 'tag');
if ($tagSets) {
$sql2 = "SELECT itemID FROM items WHERE 1 ";
$sqlParams2 = array();
if ($tagSets) {
foreach ($tagSets as $set) {
$positives = array();
$negatives = array();
$tagIDs = array();
foreach ($set['values'] as $tag) {
$ids = Zotero_Tags::getIDs($libraryID, $tag);
if (!$ids) {
$ids = array(0);
}
$tagIDs = array_merge($tagIDs, $ids);
}
$tagIDs = array_unique($tagIDs);
if ($set['negation']) {
$negatives = array_merge($negatives, $tagIDs);
} else {
$positives = array_merge($positives, $tagIDs);
}
if ($positives) {
$sql2 .= "AND itemID IN (SELECT itemID FROM items JOIN itemTags USING (itemID)\n\t\t\t\t\t\t\t\tWHERE tagID IN (" . implode(',', array_fill(0, sizeOf($positives), '?')) . ")) ";
$sqlParams2 = array_merge($sqlParams2, $positives);
}
if ($negatives) {
$sql2 .= "AND itemID NOT IN (SELECT itemID FROM items JOIN itemTags USING (itemID)\n\t\t\t\t\t\t\t\tWHERE tagID IN (" . implode(',', array_fill(0, sizeOf($negatives), '?')) . ")) ";
$sqlParams2 = array_merge($sqlParams2, $negatives);
}
}
}
$tagItems = Zotero_DB::columnQuery($sql2, $sqlParams2, $shardID);
// No matches
if (!$tagItems) {
return $results;
}
// Combine with passed keys
if ($itemIDs) {
$itemIDs = array_intersect($itemIDs, $tagItems);
// None of the tag matches match the passed keys
if (!$itemIDs) {
return $results;
}
} else {
$itemIDs = $tagItems;
}
}
if ($itemIDs) {
$sql .= "AND I.itemID IN (" . implode(', ', array_fill(0, sizeOf($itemIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $itemIDs);
}
if ($keys) {
$sql .= "AND `key` IN (" . implode(', ', array_fill(0, sizeOf($keys), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $keys);
}
$sql .= "ORDER BY ";
if (!empty($params['order'])) {
switch ($params['order']) {
case 'dateAdded':
case 'dateModified':
case 'serverDateModified':
$orderSQL = "I." . $params['order'];
break;
case 'itemType':
$orderSQL = "TITN.itemTypeName";
break;
case 'title':
$orderSQL = "IFNULL(COALESCE(sortTitle, IDT.value, INo.title), '')";
break;
case 'creator':
$orderSQL = "ISF.creatorSummary";
break;
// TODO: generic base field mapping-aware sorting
// TODO: generic base field mapping-aware sorting
case 'date':
$orderSQL = "IDD.value";
break;
case 'addedBy':
if ($isGroup && $createdByUserIDs) {
$orderSQL = "TCBU.username";
} else {
$orderSQL = "1";
}
break;
default:
$fieldID = Zotero_ItemFields::getID($params['order']);
if (!$fieldID) {
throw new Exception("Invalid order field '" . $params['order'] . "'");
}
$orderSQL = "(SELECT value FROM itemData WHERE itemID=I.itemID AND fieldID=?)";
if (!$params['emptyFirst']) {
$sqlParams[] = $fieldID;
}
$sqlParams[] = $fieldID;
}
if (!empty($params['sort'])) {
$dir = $params['sort'];
} else {
$dir = "ASC";
}
if (!$params['emptyFirst']) {
$sql .= "IFNULL({$orderSQL}, '') = '' {$dir}, ";
}
$sql .= $orderSQL;
$sql .= " {$dir}, ";
}
$sql .= "I.itemID " . (!empty($params['sort']) ? $params['sort'] : "ASC") . " ";
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
$itemIDs = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
if ($itemIDs) {
if ($asKeys) {
$results['keys'] = $itemIDs;
} else {
$results['items'] = Zotero_Items::get($libraryID, $itemIDs);
}
}
if (!empty($deleteTempTable['tmpCreatedByUsers'])) {
$sql = "DROP TEMPORARY TABLE IF EXISTS tmpCreatedByUsers{$rnd}";
Zotero_DB::query($sql, false, $shardID);
}
if (!empty($deleteTempTable['tmpItemTypeNames'])) {
$sql = "DROP TEMPORARY TABLE IF EXISTS tmpItemTypeNames{$rnd}";
Zotero_DB::query($sql, false, $shardID);
}
return $results;
}
public static function getLastStorageSync($userID)
{
$lastModified = false;
$libraryIDs = Zotero_Libraries::getUserLibraries($userID);
$shardIDs = Zotero_Shards::getUserShards($userID);
foreach ($shardIDs as $shardID) {
$sql = "SELECT UNIX_TIMESTAMP(serverDateModified) AS time FROM items\n\t\t\t\t\tJOIN storageFileItems USING (itemID)\n\t\t\t\t\tWHERE libraryID IN (" . implode(', ', array_fill(0, sizeOf($libraryIDs), '?')) . ")\n\t\t\t\t\tORDER BY time DESC LIMIT 1";
$time = Zotero_DB::valueQuery($sql, $libraryIDs, $shardID);
if ($time > $lastModified) {
$lastModified = $time;
}
}
return $lastModified;
}
public static function getAllAdvanced($libraryID, $params)
{
$results = array('objects' => array(), 'total' => 0);
$sql = "SELECT SQL_CALC_FOUND_ROWS tagID FROM tags ";
if (!empty($params['order']) && $params['order'] == 'numItems') {
$sql .= " LEFT JOIN itemTags USING (tagID)";
}
$sql .= "WHERE libraryID=? ";
$sqlParams = array($libraryID);
if (!empty($params['q'])) {
if (!is_array($params['q'])) {
$params['q'] = array($params['q']);
}
foreach ($params['q'] as $q) {
$sql .= "AND name LIKE ? ";
$sqlParams[] = "%{$q}%";
}
}
$tagTypeSets = Zotero_API::getSearchParamValues($params, 'tagType');
if ($tagTypeSets) {
$positives = array();
$negatives = array();
foreach ($tagTypeSets as $set) {
if ($set['negation']) {
$negatives = array_merge($negatives, $set['values']);
} else {
$positives = array_merge($positives, $set['values']);
}
}
if ($positives) {
$sql .= "AND type IN (" . implode(',', array_fill(0, sizeOf($positives), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $positives);
}
if ($negatives) {
$sql .= "AND type NOT IN (" . implode(',', array_fill(0, sizeOf($negatives), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $negatives);
}
}
if (!empty($params['order'])) {
$order = $params['order'];
if ($order == 'title') {
// Force a case-insensitive sort
$sql .= "ORDER BY name COLLATE utf8_unicode_ci ";
} else {
if ($order == 'numItems') {
$sql .= "GROUP BY tags.tagID ORDER BY COUNT(tags.tagID)";
} else {
$sql .= "ORDER BY {$order} ";
}
}
if (!empty($params['sort'])) {
$sql .= " " . $params['sort'] . " ";
}
}
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$ids = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
if ($ids) {
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
$tags = array();
foreach ($ids as $id) {
$tags[] = Zotero_Tags::get($libraryID, $id);
}
$results['objects'] = $tags;
}
return $results;
}
/**
* Check if setting exists in the database
*
* @return bool TRUE if the setting exists, FALSE if not
*/
public function exists()
{
$sql = "SELECT COUNT(*) FROM settings WHERE libraryID=? AND name=?";
return !!Zotero_DB::valueQuery($sql, array($this->libraryID, $this->name), Zotero_Shards::getByLibraryID($this->libraryID));
}
/**
* Check if search exists in the database
*
* @return bool TRUE if the relation exists, FALSE if not
*/
public function exists()
{
$shardID = Zotero_Shards::getByLibraryID($this->libraryID);
if ($this->id) {
$sql = "SELECT COUNT(*) FROM relations WHERE relationID=?";
return !!Zotero_DB::valueQuery($sql, $this->id, $shardID);
}
if ($this->subject && $this->predicate && $this->object) {
$sql = "SELECT COUNT(*) FROM relations WHERE libraryID=? AND\n\t\t\t\t\t\tsubject=? AND predicate=? AND object=?";
$params = array($this->libraryID, $this->subject, $this->predicate, $this->object);
return !!Zotero_DB::valueQuery($sql, $params, $shardID);
}
throw new Exception("ID or subject/predicate/object not set");
}
private function getParentKey()
{
if ($this->_parent !== false) {
if (!$this->_parent) {
return null;
}
if (is_string($this->_parent)) {
return $this->_parent;
}
$parentCollection = Zotero_Collections::get($this->libraryID, $this->_parent);
return $parentCollection->key;
}
if (!$this->id) {
return false;
}
$sql = "SELECT B.`key` FROM collections A JOIN collections B\n\t\t\t\tON (A.parentCollectionID=B.collectionID) WHERE A.collectionID=?";
$key = Zotero_DB::valueQuery($sql, $this->id, Zotero_Shards::getByLibraryID($this->libraryID));
if (!$key) {
$key = null;
}
$this->_parent = $key;
return $key;
}
public static function addCustomType($name)
{
if (self::getID($name)) {
throw new Exception("Item type '{$name}' already exists");
}
if (!preg_match('/^[a-z][^\\s0-9]+$/', $name)) {
throw new Exception("Invalid item type name '{$name}'");
}
// TODO: make sure user hasn't added too many already
throw new Exception("Unimplemented");
// TODO: add to cache
Zotero_DB::beginTransaction();
$sql = "SELECT NEXT_ID(itemTypeID) FROM itemTypes";
$itemTypeID = Zotero_DB::valueQuery($sql);
$sql = "INSERT INTO itemTypes (?, ?, ?)";
Zotero_DB::query($sql, array($itemTypeID, $name, 1));
Zotero_DB::commit();
return $itemTypeID;
}
public static function getTransactionTimestamp()
{
$instance = self::getInstance();
if ($instance->transactionLevel == 0) {
throw new Exception("Transaction not open");
}
if (empty($instance->transactionTimestamp)) {
$instance->transactionTimestamp = Zotero_DB::valueQuery("SELECT NOW()");
}
return $instance->transactionTimestamp;
}
public static function getUserUsage($userID)
{
$usage = array();
$libraryID = Zotero_Users::getLibraryIDFromUserID($userID);
$sql = "SELECT SUM(size) AS bytes FROM storageFileItems\n\t\t\t\tJOIN items USING (itemID) WHERE libraryID=?";
$libraryBytes = Zotero_DB::valueQuery($sql, $libraryID, Zotero_Shards::getByLibraryID($libraryID));
$usage['library'] = round($libraryBytes / 1024 / 1024, 1);
$groupBytes = 0;
$usage['groups'] = array();
$ownedLibraries = Zotero_Groups::getUserOwnedGroupLibraries($userID);
if ($ownedLibraries) {
$shardIDs = Zotero_Groups::getUserGroupShards($userID);
foreach ($shardIDs as $shardID) {
$sql = "SELECT libraryID, SUM(size) AS `bytes` FROM storageFileItems\n\t\t\t\t\t\tJOIN items I USING (itemID)\n\t\t\t\t\t\tWHERE libraryID IN\n\t\t\t\t\t\t(" . implode(', ', array_fill(0, sizeOf($ownedLibraries), '?')) . ")\n\t\t\t\t\t\tGROUP BY libraryID WITH ROLLUP";
$libraries = Zotero_DB::query($sql, $ownedLibraries, $shardID);
if ($libraries) {
foreach ($libraries as $library) {
if ($library['libraryID']) {
$usage['groups'][] = array('id' => Zotero_Groups::getGroupIDFromLibraryID($library['libraryID']), 'usage' => round($library['bytes'] / 1024 / 1024, 1));
} else {
$groupBytes += $library['bytes'];
}
}
}
}
}
$usage['total'] = round(($libraryBytes + $groupBytes) / 1024 / 1024, 1);
return $usage;
}
public static function search($libraryID, $onlyTopLevel = false, $params = array(), $includeTrashed = false, Zotero_Permissions $permissions = null)
{
$rnd = "_" . uniqid($libraryID . "_");
$results = array('results' => array(), 'total' => 0);
// Default empty library
if ($libraryID === 0) {
return $results;
}
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$includeNotes = true;
if ($permissions && !$permissions->canAccess($libraryID, 'notes')) {
$includeNotes = false;
}
// Pass a list of itemIDs, for when the initial search is done via SQL
$itemIDs = !empty($params['itemIDs']) ? $params['itemIDs'] : array();
$itemKeys = $params['itemKey'];
$titleSort = !empty($params['sort']) && $params['sort'] == 'title';
$parentItemSort = !empty($params['sort']) && in_array($params['sort'], ['itemType', 'dateAdded', 'dateModified', 'serverDateModified', 'addedBy']);
$sql = "SELECT SQL_CALC_FOUND_ROWS DISTINCT ";
// In /top mode, use the parent item's values for most joins
if ($onlyTopLevel) {
$itemIDSelector = "COALESCE(IA.sourceItemID, INo.sourceItemID, I.itemID)";
$itemKeySelector = "COALESCE(IP.key, I.key)";
$itemVersionSelector = "COALESCE(IP.version, I.version)";
$itemTypeIDSelector = "COALESCE(IP.itemTypeID, I.itemTypeID)";
} else {
$itemIDSelector = "I.itemID";
$itemKeySelector = "I.key";
$itemVersionSelector = "I.version";
$itemTypeIDSelector = "I.itemTypeID";
}
if ($params['format'] == 'keys' || $params['format'] == 'versions') {
// In /top mode, display the parent item of matching items
$sql .= "{$itemKeySelector} AS `key`";
if ($params['format'] == 'versions') {
$sql .= ", {$itemVersionSelector} AS version";
}
} else {
$sql .= "{$itemIDSelector} AS itemID";
}
$sql .= " FROM items I ";
$sqlParams = array($libraryID);
// For /top, we need the parent itemID
if ($onlyTopLevel) {
$sql .= "LEFT JOIN itemAttachments IA ON (IA.itemID=I.itemID) ";
}
// For /top, we need the parent itemID; for 'q' we need the note; for sorting by title,
// we need the note title
if ($onlyTopLevel || !empty($params['q']) || $titleSort) {
$sql .= "LEFT JOIN itemNotes INo ON (INo.itemID=I.itemID) ";
}
// For some /top requests, pull in the parent item's items row
if ($onlyTopLevel && ($params['format'] == 'keys' || $params['format'] == 'versions' || $parentItemSort)) {
$sql .= "LEFT JOIN items IP ON ({$itemIDSelector}=IP.itemID) ";
}
// Pull in titles
if (!empty($params['q']) || $titleSort) {
$titleFieldIDs = array_merge(array(Zotero_ItemFields::getID('title')), Zotero_ItemFields::getTypeFieldsFromBase('title'));
$sql .= "LEFT JOIN itemData IDT ON (IDT.itemID=I.itemID AND IDT.fieldID IN " . "(" . implode(',', $titleFieldIDs) . ")) ";
}
// When sorting by title in /top mode, we need the title of the parent item
if ($onlyTopLevel && $titleSort) {
$titleSortDataTable = "IDTSort";
$titleSortNoteTable = "INoSort";
$sql .= "LEFT JOIN itemData IDTSort ON (IDTSort.itemID={$itemIDSelector} AND " . "IDTSort.fieldID IN (" . implode(',', $titleFieldIDs) . ")) " . "LEFT JOIN itemNotes INoSort ON (INoSort.itemID={$itemIDSelector}) ";
} else {
$titleSortDataTable = "IDT";
$titleSortNoteTable = "INo";
}
if (!empty($params['q'])) {
// Pull in creators
$sql .= "LEFT JOIN itemCreators IC ON (IC.itemID=I.itemID) " . "LEFT JOIN creators C ON (C.creatorID=IC.creatorID) ";
// Pull in dates
$dateFieldIDs = array_merge(array(Zotero_ItemFields::getID('date')), Zotero_ItemFields::getTypeFieldsFromBase('date'));
$sql .= "LEFT JOIN itemData IDD ON (IDD.itemID=I.itemID AND IDD.fieldID IN " . "(" . implode(',', $dateFieldIDs) . ")) ";
}
if ($includeTrashed) {
if (!empty($params['trashedItemsOnly'])) {
$sql .= "JOIN deletedItems DI ON (DI.itemID=I.itemID) ";
}
} else {
$sql .= "LEFT JOIN deletedItems DI ON (DI.itemID=I.itemID) ";
// In /top mode, we don't want to show results for deleted parents or children
if ($onlyTopLevel) {
$sql .= "LEFT JOIN deletedItems DIP ON (DIP.itemID={$itemIDSelector}) ";
}
}
if (!empty($params['sort'])) {
switch ($params['sort']) {
case 'title':
case 'creator':
$sql .= "LEFT JOIN itemSortFields ISF ON (ISF.itemID={$itemIDSelector}) ";
break;
case 'date':
// When sorting by date in /top mode, we need the date of the parent item
if ($onlyTopLevel) {
$sortTable = "IDDSort";
// Pull in dates
$dateFieldIDs = array_merge(array(Zotero_ItemFields::getID('date')), Zotero_ItemFields::getTypeFieldsFromBase('date'));
$sql .= "LEFT JOIN itemData IDDSort ON (IDDSort.itemID={$itemIDSelector} AND " . "IDDSort.fieldID IN (" . implode(',', $dateFieldIDs) . ")) ";
} else {
$sortTable = "IDD";
if (empty($params['q'])) {
$dateFieldIDs = array_merge(array(Zotero_ItemFields::getID('date')), Zotero_ItemFields::getTypeFieldsFromBase('date'));
$sql .= "LEFT JOIN itemData IDD ON (IDD.itemID=I.itemID AND IDD.fieldID IN (" . implode(',', $dateFieldIDs) . ")) ";
}
}
break;
case 'itemType':
$locale = 'en-US';
$types = Zotero_ItemTypes::getAll($locale);
// TEMP: get localized string
// DEBUG: Why is attachment skipped in getAll()?
$types[] = array('id' => 14, 'localized' => 'Attachment');
foreach ($types as $type) {
$sql2 = "INSERT IGNORE INTO tmpItemTypeNames VALUES (?, ?, ?)";
Zotero_DB::query($sql2, array($type['id'], $locale, $type['localized']), $shardID);
}
// Join temp table to query
$sql .= "JOIN tmpItemTypeNames TITN ON (TITN.itemTypeID={$itemTypeIDSelector}) ";
break;
case 'addedBy':
$isGroup = Zotero_Libraries::getType($libraryID) == 'group';
if ($isGroup) {
$sql2 = "SELECT DISTINCT createdByUserID FROM items\n\t\t\t\t\t\t\t\tJOIN groupItems USING (itemID) WHERE\n\t\t\t\t\t\t\t\tcreatedByUserID IS NOT NULL AND ";
if ($itemIDs) {
$sql2 .= "itemID IN (" . implode(', ', array_fill(0, sizeOf($itemIDs), '?')) . ") ";
$createdByUserIDs = Zotero_DB::columnQuery($sql2, $itemIDs, $shardID);
} else {
$sql2 .= "libraryID=?";
$createdByUserIDs = Zotero_DB::columnQuery($sql2, $libraryID, $shardID);
}
// Populate temp table with usernames
if ($createdByUserIDs) {
$toAdd = array();
foreach ($createdByUserIDs as $createdByUserID) {
$toAdd[] = array($createdByUserID, Zotero_Users::getUsername($createdByUserID));
}
$sql2 = "INSERT IGNORE INTO tmpCreatedByUsers VALUES ";
Zotero_DB::bulkInsert($sql2, $toAdd, 50, false, $shardID);
// Join temp table to query
$sql .= "LEFT JOIN groupItems GI ON (GI.itemID=I.itemID)\n\t\t\t\t\t\t\t\t\tLEFT JOIN tmpCreatedByUsers TCBU ON (TCBU.userID=GI.createdByUserID) ";
}
}
break;
}
}
$sql .= "WHERE I.libraryID=? ";
if (!$includeTrashed) {
$sql .= "AND DI.itemID IS NULL ";
// Hide deleted parents in /top mode
if ($onlyTopLevel) {
$sql .= "AND DIP.itemID IS NULL ";
}
}
// Search on title, creators, and dates
if (!empty($params['q'])) {
$sql .= "AND (";
$sql .= "IDT.value LIKE ? ";
$sqlParams[] = '%' . $params['q'] . '%';
$sql .= "OR INo.title LIKE ? ";
$sqlParams[] = '%' . $params['q'] . '%';
$sql .= "OR TRIM(CONCAT(firstName, ' ', lastName)) LIKE ? ";
$sqlParams[] = '%' . $params['q'] . '%';
$sql .= "OR SUBSTR(IDD.value, 1, 4) = ?";
$sqlParams[] = $params['q'];
// Full-text search
if ($params['qmode'] == 'everything') {
$ftKeys = Zotero_FullText::searchInLibrary($libraryID, $params['q']);
if ($ftKeys) {
$sql .= " OR I.key IN (" . implode(', ', array_fill(0, sizeOf($ftKeys), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $ftKeys);
}
}
$sql .= ") ";
}
// Search on itemType
if (!empty($params['itemType'])) {
$itemTypes = Zotero_API::getSearchParamValues($params, 'itemType');
if ($itemTypes) {
if (sizeOf($itemTypes) > 1) {
throw new Exception("Cannot specify 'itemType' more than once", Z_ERROR_INVALID_INPUT);
}
$itemTypes = $itemTypes[0];
$itemTypeIDs = array();
foreach ($itemTypes['values'] as $itemType) {
$itemTypeID = Zotero_ItemTypes::getID($itemType);
if (!$itemTypeID) {
throw new Exception("Invalid itemType '{$itemType}'", Z_ERROR_INVALID_INPUT);
}
$itemTypeIDs[] = $itemTypeID;
}
$sql .= "AND I.itemTypeID " . ($itemTypes['negation'] ? "NOT " : "") . "IN (" . implode(',', array_fill(0, sizeOf($itemTypeIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $itemTypeIDs);
}
}
if (!$includeNotes) {
$sql .= "AND I.itemTypeID != 1 ";
}
if (!empty($params['since'])) {
$sql .= "AND {$itemVersionSelector} > ? ";
$sqlParams[] = $params['since'];
}
// TEMP: for sync transition
if (!empty($params['sincetime']) && $params['sincetime'] != 1) {
$sql .= "AND I.serverDateModified >= FROM_UNIXTIME(?) ";
$sqlParams[] = $params['sincetime'];
}
// Tags
//
// ?tag=foo
// ?tag=foo bar // phrase
// ?tag=-foo // negation
// ?tag=\-foo // literal hyphen (only for first character)
// ?tag=foo&tag=bar // AND
$tagSets = Zotero_API::getSearchParamValues($params, 'tag');
if ($tagSets) {
$sql2 = "SELECT itemID FROM items WHERE libraryID=?\n";
$sqlParams2 = array($libraryID);
$positives = array();
$negatives = array();
foreach ($tagSets as $set) {
$tagIDs = array();
foreach ($set['values'] as $tag) {
$ids = Zotero_Tags::getIDs($libraryID, $tag, true);
if (!$ids) {
$ids = array(0);
}
$tagIDs = array_merge($tagIDs, $ids);
}
$tagIDs = array_unique($tagIDs);
$tmpSQL = "SELECT itemID FROM items JOIN itemTags USING (itemID) " . "WHERE tagID IN (" . implode(',', array_fill(0, sizeOf($tagIDs), '?')) . ")";
$ids = Zotero_DB::columnQuery($tmpSQL, $tagIDs, $shardID);
if (!$ids) {
// If no negative tags, skip this tag set
if ($set['negation']) {
continue;
}
// If no positive tags, return no matches
return $results;
}
$ids = $ids ? $ids : array();
$sql2 .= " AND itemID " . ($set['negation'] ? "NOT " : "") . " IN (" . implode(',', array_fill(0, sizeOf($ids), '?')) . ")";
$sqlParams2 = array_merge($sqlParams2, $ids);
}
$tagItems = Zotero_DB::columnQuery($sql2, $sqlParams2, $shardID);
// No matches
if (!$tagItems) {
return $results;
}
// Combine with passed ids
if ($itemIDs) {
$itemIDs = array_intersect($itemIDs, $tagItems);
// None of the tag matches match the passed ids
if (!$itemIDs) {
return $results;
}
} else {
$itemIDs = $tagItems;
}
}
if ($itemIDs) {
$sql .= "AND I.itemID IN (" . implode(', ', array_fill(0, sizeOf($itemIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $itemIDs);
}
if ($itemKeys) {
$sql .= "AND I.key IN (" . implode(', ', array_fill(0, sizeOf($itemKeys), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $itemKeys);
}
$sql .= "ORDER BY ";
if (!empty($params['sort'])) {
switch ($params['sort']) {
case 'dateAdded':
case 'dateModified':
case 'serverDateModified':
if ($onlyTopLevel) {
$orderSQL = "IP." . $params['sort'];
} else {
$orderSQL = "I." . $params['sort'];
}
break;
case 'itemType':
$orderSQL = "TITN.itemTypeName";
/*
// Optional method for sorting by localized item type name, which would avoid
// the INSERT and JOIN above and allow these requests to use DB read replicas
$locale = 'en-US';
$types = Zotero_ItemTypes::getAll($locale);
// TEMP: get localized string
// DEBUG: Why is attachment skipped in getAll()?
$types[] = [
'id' => 14,
'localized' => 'Attachment'
];
usort($types, function ($a, $b) {
return strcasecmp($a['localized'], $b['localized']);
});
// Pass order of localized item type names for sorting
// e.g., FIELD(14, 12, 14, 26...) for sorting "Attachment" after "Artwork"
$orderSQL = "FIELD($itemTypeIDSelector, "
. implode(", ", array_map(function ($x) {
return $x['id'];
}, $types)) . ")";
// If itemTypeID isn't found in passed list (currently only for NSF Reviewer),
// sort last
$orderSQL = "IFNULL(NULLIF($orderSQL, 0), 99999)";
// All items have types, so no need to check for empty sort values
$params['emptyFirst'] = true;
*/
break;
case 'title':
$orderSQL = "IFNULL(COALESCE(sortTitle, {$titleSortDataTable}.value, {$titleSortNoteTable}.title), '')";
break;
case 'creator':
$orderSQL = "ISF.creatorSummary";
break;
// TODO: generic base field mapping-aware sorting
// TODO: generic base field mapping-aware sorting
case 'date':
$orderSQL = "{$sortTable}.value";
break;
case 'addedBy':
if ($isGroup && $createdByUserIDs) {
$orderSQL = "TCBU.username";
} else {
$orderSQL = ($onlyTopLevel ? "IP" : "I") . ".dateAdded";
}
break;
case 'itemKeyList':
$orderSQL = "FIELD(I.key," . implode(',', array_fill(0, sizeOf($itemKeys), '?')) . ")";
$sqlParams = array_merge($sqlParams, $itemKeys);
break;
default:
$fieldID = Zotero_ItemFields::getID($params['sort']);
if (!$fieldID) {
throw new Exception("Invalid order field '" . $params['sort'] . "'");
}
$orderSQL = "(SELECT value FROM itemData WHERE itemID=I.itemID AND fieldID=?)";
if (!$params['emptyFirst']) {
$sqlParams[] = $fieldID;
}
$sqlParams[] = $fieldID;
}
if (!empty($params['direction'])) {
$dir = $params['direction'];
} else {
$dir = "ASC";
}
if (!$params['emptyFirst']) {
$sql .= "IFNULL({$orderSQL}, '') = '' {$dir}, ";
}
$sql .= $orderSQL . " {$dir}, ";
}
$sql .= "I.version " . (!empty($params['direction']) ? $params['direction'] : "ASC") . ", I.itemID " . (!empty($params['direction']) ? $params['direction'] : "ASC") . " ";
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
// Log SQL statement with embedded parameters
/*if (true || !empty($_GET['sqldebug'])) {
error_log($onlyTopLevel);
$debugSQL = "";
$parts = explode("?", $sql);
$debugSQLParams = $sqlParams;
foreach ($parts as $part) {
$val = array_shift($debugSQLParams);
$debugSQL .= $part;
if (!is_null($val)) {
$debugSQL .= is_int($val) ? $val : '"' . $val . '"';
}
}
error_log($debugSQL . ";");
}*/
if ($params['format'] == 'versions') {
$rows = Zotero_DB::query($sql, $sqlParams, $shardID);
} else {
$rows = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
}
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
if ($rows) {
if ($params['format'] == 'keys') {
$results['results'] = $rows;
} else {
if ($params['format'] == 'versions') {
foreach ($rows as $row) {
$results['results'][$row['key']] = $row['version'];
}
} else {
$results['results'] = Zotero_Items::get($libraryID, $rows);
}
}
}
return $results;
}
public static function getGroupIDFromLibraryID($libraryID)
{
$cacheKey = 'libraryGroupID_' . $libraryID;
$groupID = Z_Core::$MC->get($cacheKey);
if ($groupID) {
return $groupID;
}
$sql = "SELECT groupID FROM groups WHERE libraryID=?";
$groupID = Zotero_DB::valueQuery($sql, $libraryID);
if (!$groupID) {
trigger_error("Group with libraryID {$libraryID} does not exist", E_USER_ERROR);
}
Z_Core::$MC->set($cacheKey, $groupID);
return $groupID;
}
/**
* Check if search exists in the database
*
* @return bool TRUE if the relation exists, FALSE if not
*/
public function exists()
{
$shardID = Zotero_Shards::getByLibraryID($this->libraryID);
if ($this->id) {
$sql = "SELECT COUNT(*) FROM relations WHERE relationID=?";
return !!Zotero_DB::valueQuery($sql, $this->id, $shardID);
}
if ($this->subject && $this->predicate && $this->object) {
$sql = "SELECT COUNT(*) FROM relations WHERE libraryID=? AND `key`=?";
$params = array($this->libraryID, $this->getKey());
$exists = !!Zotero_DB::valueQuery($sql, $params, $shardID);
// TEMP
// For linked items, check reverse order too, since client can save in reverse
// order when an item is dragged from a group to a personal library
if (!$exists && $this->predicate == Zotero_Relations::$linkedObjectPredicate && Zotero_Libraries::getType($this->libraryID) == 'user') {
$sql = "SELECT COUNT(*) FROM relations WHERE libraryID=? AND `key`=?";
$params = [$this->libraryID, Zotero_Relations::makeKey($this->object, $this->predicate, $this->subject)];
return !!Zotero_DB::valueQuery($sql, $params, $shardID);
}
return $exists;
}
throw new Exception("ID or subject/predicate/object not set");
}
/**
* Returns user's object ids updated since |timestamp|, keyed by libraryID,
* or count of all updated items if $countOnly is true
*
* @param int $libraryID User ID
* @param string $timestamp Unix timestamp of last sync time
* @param array $updatedLibraryIDs Libraries with updated data
* @return array|int
*/
public static function getUpdated($userID, $timestamp, $updatedLibraryIDs, $countOnly = false)
{
$table = self::$table;
$id = self::$idColumn;
$type = self::$objectType;
$types = self::$objectTypePlural;
$timestampCol = "serverDateModified";
// All joined groups have to be checked
$joinedGroupIDs = Zotero_Groups::getJoined($userID, $timestamp);
$joinedLibraryIDs = array();
foreach ($joinedGroupIDs as $groupID) {
$joinedLibraryIDs[] = Zotero_Groups::getLibraryIDFromGroupID($groupID);
}
// Separate libraries into shards for querying
$libraryIDs = array_unique(array_merge($joinedLibraryIDs, $updatedLibraryIDs));
$shardLibraryIDs = array();
foreach ($libraryIDs as $libraryID) {
$shardID = Zotero_Shards::getByLibraryID($libraryID);
if (!isset($shardLibraryIDs[$shardID])) {
$shardLibraryIDs[$shardID] = array('updated' => array(), 'joined' => array());
}
if (in_array($libraryID, $joinedLibraryIDs)) {
$shardLibraryIDs[$shardID]['joined'][] = $libraryID;
} else {
$shardLibraryIDs[$shardID]['updated'][] = $libraryID;
}
}
if ($countOnly) {
$count = 0;
$fieldList = "COUNT(*)";
} else {
$updatedByLibraryID = array();
$fieldList = "libraryID, {$id} AS id";
}
// Send query at each shard
foreach ($shardLibraryIDs as $shardID => $libraryIDs) {
$sql = "SELECT {$fieldList} FROM {$table} WHERE ";
if ($libraryIDs['updated']) {
$sql .= "(libraryID IN (" . implode(', ', array_fill(0, sizeOf($libraryIDs['updated']), '?')) . ")";
$params = $libraryIDs['updated'];
$sql .= " AND {$timestampCol} >= FROM_UNIXTIME(?))";
$params[] = $timestamp;
}
if ($libraryIDs['joined']) {
if ($libraryIDs['updated']) {
$sql .= " OR ";
} else {
$params = array();
}
$sql .= "libraryID IN (" . implode(', ', array_fill(0, sizeOf($libraryIDs['joined']), '?')) . ")";
$params = array_merge($params, $libraryIDs['joined']);
}
if ($countOnly) {
$count += Zotero_DB::valueQuery($sql, $params, $shardID);
} else {
$rows = Zotero_DB::query($sql, $params, $shardID);
if ($rows) {
// Separate ids by libraryID
foreach ($rows as $row) {
$updatedByLibraryID[$row['libraryID']][] = $row['id'];
}
}
}
}
return $countOnly ? $count : $updatedByLibraryID;
}
private function load()
{
$sql = "SELECT * FROM groups WHERE groupID=?";
$row = Zotero_DB::rowQuery($sql, $this->id);
if (!$row) {
return false;
}
foreach ($row as $field => $value) {
switch ($field) {
case 'groupID':
case 'slug':
continue 2;
}
$this->{$field} = $value;
}
$sql = "SELECT userID FROM groupUsers WHERE groupID=? AND role='owner'";
$userID = Zotero_DB::valueQuery($sql, $this->id);
if (!$userID) {
throw new Exception("Group {$this->id} doesn't have an owner");
}
$this->ownerUserID = $userID;
$this->loaded = true;
$this->changed = array();
}
public static function search($libraryID, $params)
{
$results = array('results' => array(), 'total' => 0);
// Default empty library
if ($libraryID === 0) {
return $results;
}
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$sql = "SELECT SQL_CALC_FOUND_ROWS DISTINCT tagID FROM tags " . "JOIN itemTags USING (tagID) WHERE libraryID=? ";
$sqlParams = array($libraryID);
// Pass a list of tagIDs, for when the initial search is done via SQL
$tagIDs = !empty($params['tagIDs']) ? $params['tagIDs'] : array();
// Filter for specific tags with "?tag=foo || bar"
$tagNames = !empty($params['tag']) ? explode(' || ', $params['tag']) : array();
if ($tagIDs) {
$sql .= "AND tagID IN (" . implode(', ', array_fill(0, sizeOf($tagIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $tagIDs);
}
if ($tagNames) {
$sql .= "AND `name` IN (" . implode(', ', array_fill(0, sizeOf($tagNames), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $tagNames);
}
if (!empty($params['q'])) {
if (!is_array($params['q'])) {
$params['q'] = array($params['q']);
}
foreach ($params['q'] as $q) {
$sql .= "AND name LIKE ? ";
$sqlParams[] = "%{$q}%";
}
}
$tagTypeSets = Zotero_API::getSearchParamValues($params, 'tagType');
if ($tagTypeSets) {
$positives = array();
$negatives = array();
foreach ($tagTypeSets as $set) {
if ($set['negation']) {
$negatives = array_merge($negatives, $set['values']);
} else {
$positives = array_merge($positives, $set['values']);
}
}
if ($positives) {
$sql .= "AND type IN (" . implode(',', array_fill(0, sizeOf($positives), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $positives);
}
if ($negatives) {
$sql .= "AND type NOT IN (" . implode(',', array_fill(0, sizeOf($negatives), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $negatives);
}
}
if (!empty($params['since'])) {
$sql .= "AND version > ? ";
$sqlParams[] = $params['since'];
}
if (!empty($params['sort'])) {
$order = $params['sort'];
if ($order == 'title') {
// Force a case-insensitive sort
$sql .= "ORDER BY name COLLATE utf8_unicode_ci ";
} else {
if ($order == 'numItems') {
$sql .= "GROUP BY tags.tagID ORDER BY COUNT(tags.tagID)";
} else {
$sql .= "ORDER BY {$order} ";
}
}
if (!empty($params['direction'])) {
$sql .= " " . $params['direction'] . " ";
}
}
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
$ids = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
if ($ids) {
$tags = array();
foreach ($ids as $id) {
$tags[] = Zotero_Tags::get($libraryID, $id);
}
$results['results'] = $tags;
}
return $results;
}
public static function addCustomField($name)
{
if (self::getID($name)) {
trigger_error("Field '{$name}' already exists", E_USER_ERROR);
}
if (!preg_match('/^[a-z][^\\s0-9]+$/', $name)) {
trigger_error("Invalid field name '{$name}'", E_USER_ERROR);
}
// TODO: make sure user hasn't added too many already
trigger_error("Unimplemented", E_USER_ERROR);
// TODO: add to cache
Zotero_DB::beginTransaction();
$sql = "SELECT NEXT_ID(fieldID) FROM fields";
$fieldID = Zotero_DB::valueQuery($sql);
$sql = "INSERT INTO fields (?, ?, ?)";
Zotero_DB::query($sql, array($fieldID, $name, 1));
Zotero_DB::commit();
return $fieldID;
}
public static function addCustomType($name)
{
if (self::getID($name)) {
trigger_error("Item type '{$name}' already exists", E_USER_ERROR);
}
if (!preg_match('/^[a-z][^\\s0-9]+$/', $name)) {
trigger_error("Invalid item type name '{$name}'", E_USER_ERROR);
}
// TODO: make sure user hasn't added too many already
Zotero_DB::beginTransaction();
$sql = "SELECT NEXT_ID(creatorTypeID) FROM creatorTypes";
$creatorTypeID = Zotero_DB::valueQuery($sql);
$sql = "INSERT INTO creatorTypes (?, ?, ?)";
Zotero_DB::query($sql, array($creatorTypeID, $name, 1));
Zotero_DB::commit();
return $creatorTypeID;
}
public static function search($libraryID, $params)
{
$results = array('results' => array(), 'total' => 0);
$shardID = Zotero_Shards::getByLibraryID($libraryID);
$sql = "SELECT SQL_CALC_FOUND_ROWS DISTINCT ";
if ($params['format'] == 'keys') {
$sql .= "`key`";
} else {
if ($params['format'] == 'versions') {
$sql .= "`key`, version";
} else {
$sql .= "searchID";
}
}
$sql .= " FROM savedSearches WHERE libraryID=? ";
$sqlParams = array($libraryID);
// Pass a list of searchIDs, for when the initial search is done via SQL
$searchIDs = !empty($params['searchIDs']) ? $params['searchIDs'] : array();
// Or keys, for the searchKey parameter
$searchKeys = $params['searchKey'];
if (!empty($params['since'])) {
$sql .= "AND version > ? ";
$sqlParams[] = $params['since'];
}
// TEMP: for sync transition
if (!empty($params['sincetime'])) {
$sql .= "AND serverDateModified >= FROM_UNIXTIME(?) ";
$sqlParams[] = $params['sincetime'];
}
if ($searchIDs) {
$sql .= "AND searchID IN (" . implode(', ', array_fill(0, sizeOf($searchIDs), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $searchIDs);
}
if ($searchKeys) {
$sql .= "AND `key` IN (" . implode(', ', array_fill(0, sizeOf($searchKeys), '?')) . ") ";
$sqlParams = array_merge($sqlParams, $searchKeys);
}
if (!empty($params['sort'])) {
switch ($params['sort']) {
case 'title':
$orderSQL = 'searchName';
break;
case 'searchKeyList':
$orderSQL = "FIELD(`key`," . implode(',', array_fill(0, sizeOf($searchKeys), '?')) . ")";
$sqlParams = array_merge($sqlParams, $searchKeys);
break;
default:
$orderSQL = $params['sort'];
}
$sql .= "ORDER BY {$orderSQL}";
if (!empty($params['direction'])) {
$sql .= " {$params['direction']}";
}
$sql .= ", ";
}
$sql .= "version " . (!empty($params['direction']) ? $params['direction'] : "ASC") . ", searchID " . (!empty($params['direction']) ? $params['direction'] : "ASC") . " ";
if (!empty($params['limit'])) {
$sql .= "LIMIT ?, ?";
$sqlParams[] = $params['start'] ? $params['start'] : 0;
$sqlParams[] = $params['limit'];
}
if ($params['format'] == 'versions') {
$rows = Zotero_DB::query($sql, $sqlParams, $shardID);
} else {
$rows = Zotero_DB::columnQuery($sql, $sqlParams, $shardID);
}
$results['total'] = Zotero_DB::valueQuery("SELECT FOUND_ROWS()", false, $shardID);
if ($rows) {
if ($params['format'] == 'keys') {
$results['results'] = $rows;
} else {
if ($params['format'] == 'versions') {
foreach ($rows as $row) {
$results['results'][$row['key']] = $row['version'];
}
} else {
$searches = array();
foreach ($rows as $id) {
$searches[] = self::get($libraryID, $id);
}
$results['results'] = $searches;
}
}
}
return $results;
}
