public function save($userID=false) {
if (!$this->_libraryID) {
trigger_error("Library ID must be set before saving", E_USER_ERROR);
}
Zotero_Items::editCheck($this, $userID);
if (!$this->hasChanged()) {
Z_Core::debug("Item $this->id has not changed");
return false;
}
$this->cacheEnabled = false;
// Make sure there are no gaps in the creator indexes
$creators = $this->getCreators();
$lastPos = -1;
foreach ($creators as $pos=>$creator) {
if ($pos != $lastPos + 1) {
trigger_error("Creator index $pos out of sequence for item $this->id", E_USER_ERROR);
}
$lastPos++;
}
$shardID = Zotero_Shards::getByLibraryID($this->_libraryID);
$env = [];
Zotero_DB::beginTransaction();
try {
//
// New item, insert and return id
//
if (!$this->id || (empty($this->changed['version']) && !$this->exists())) {
Z_Core::debug('Saving data for new item to database');
$isNew = $env['isNew'] = true;
$sqlColumns = array();
$sqlValues = array();
//
// Primary fields
//
$itemID = $this->_id = $this->_id ? $this->_id : Zotero_ID::get('items');
$key = $this->_key = $this->_key ? $this->_key : Zotero_ID::getKey();
$sqlColumns = array(
'itemID',
'itemTypeID',
'libraryID',
'key',
'dateAdded',
'dateModified',
'serverDateModified',
'version'
);
$timestamp = Zotero_DB::getTransactionTimestamp();
$dateAdded = $this->_dateAdded ? $this->_dateAdded : $timestamp;
$dateModified = $this->_dateModified ? $this->_dateModified : $timestamp;
$version = Zotero_Libraries::getUpdatedVersion($this->_libraryID);
$sqlValues = array(
$itemID,
$this->_itemTypeID,
$this->_libraryID,
$key,
$dateAdded,
$dateModified,
$timestamp,
$version
);
$sql = 'INSERT INTO items (`' . implode('`, `', $sqlColumns) . '`) VALUES (';
// Insert placeholders for bind parameters
for ($i=0; $i<sizeOf($sqlValues); $i++) {
$sql .= '?, ';
}
$sql = substr($sql, 0, -2) . ')';
// Save basic data to items table
try {
$insertID = Zotero_DB::query($sql, $sqlValues, $shardID);
}
catch (Exception $e) {
if (strpos($e->getMessage(), "Incorrect datetime value") !== false) {
preg_match("/Incorrect datetime value: '([^']+)'/", $e->getMessage(), $matches);
throw new Exception("=Invalid date value '{$matches[1]}' for item $key", Z_ERROR_INVALID_INPUT);
}
throw $e;
}
if (!$this->_id) {
if (!$insertID) {
throw new Exception("Item id not available after INSERT");
}
$itemID = $insertID;
$this->_serverDateModified = $timestamp;
}
// Group item data
if (Zotero_Libraries::getType($this->_libraryID) == 'group' && $userID) {
$sql = "INSERT INTO groupItems VALUES (?, ?, ?)";
Zotero_DB::query($sql, array($itemID, $userID, $userID), $shardID);
}
//
// ItemData
//
if (!empty($this->changed['itemData'])) {
// Use manual bound parameters to speed things up
$origInsertSQL = "INSERT INTO itemData (itemID, fieldID, value) VALUES ";
$insertSQL = $origInsertSQL;
$insertParams = array();
$insertCounter = 0;
$maxInsertGroups = 40;
$max = Zotero_Items::$maxDataValueLength;
$fieldIDs = array_keys($this->changed['itemData']);
foreach ($fieldIDs as $fieldID) {
$value = $this->getField($fieldID, true, false, true);
if ($value == 'CURRENT_TIMESTAMP'
&& Zotero_ItemFields::getID('accessDate') == $fieldID) {
$value = Zotero_DB::getTransactionTimestamp();
}
// Check length
if (strlen($value) > $max) {
$fieldName = Zotero_ItemFields::getLocalizedString(
$this->_itemTypeID, $fieldID
);
$msg = "=$fieldName field value " .
"'" . mb_substr($value, 0, 50) . "...' too long";
if ($this->_key) {
$msg .= " for item '" . $this->_libraryID . "/" . $key . "'";
}
throw new Exception($msg, Z_ERROR_FIELD_TOO_LONG);
}
if ($insertCounter < $maxInsertGroups) {
$insertSQL .= "(?,?,?),";
$insertParams = array_merge(
$insertParams,
array($itemID, $fieldID, $value)
);
}
if ($insertCounter == $maxInsertGroups - 1) {
$insertSQL = substr($insertSQL, 0, -1);
$stmt = Zotero_DB::getStatement($insertSQL, true, $shardID);
Zotero_DB::queryFromStatement($stmt, $insertParams);
$insertSQL = $origInsertSQL;
$insertParams = array();
$insertCounter = -1;
}
$insertCounter++;
}
if ($insertCounter > 0 && $insertCounter < $maxInsertGroups) {
$insertSQL = substr($insertSQL, 0, -1);
$stmt = Zotero_DB::getStatement($insertSQL, true, $shardID);
Zotero_DB::queryFromStatement($stmt, $insertParams);
}
}
//
// Creators
//
if (!empty($this->changed['creators'])) {
$indexes = array_keys($this->changed['creators']);
// TODO: group queries
$sql = "INSERT INTO itemCreators
(itemID, creatorID, creatorTypeID, orderIndex) VALUES ";
$placeholders = array();
$sqlValues = array();
$cacheRows = array();
foreach ($indexes as $orderIndex) {
Z_Core::debug('Adding creator in position ' . $orderIndex, 4);
$creator = $this->getCreator($orderIndex);
if (!$creator) {
continue;
}
if ($creator['ref']->hasChanged()) {
Z_Core::debug("Auto-saving changed creator {$creator['ref']->id}");
try {
$creator['ref']->save();
}
catch (Exception $e) {
// TODO: Provide the item in question
/*if (strpos($e->getCode() == Z_ERROR_CREATOR_TOO_LONG)) {
$msg = $e->getMessage();
$msg = str_replace(
"with this name and shorten it.",
"with this name, or paste '$key' into the quick search bar "
. "in the Zotero toolbar, and shorten the name."
);
throw new Exception($msg, Z_ERROR_CREATOR_TOO_LONG);
}*/
throw $e;
}
}
$placeholders[] = "(?, ?, ?, ?)";
array_push(
$sqlValues,
$itemID,
$creator['ref']->id,
$creator['creatorTypeID'],
$orderIndex
);
$cacheRows[] = array(
'creatorID' => $creator['ref']->id,
'creatorTypeID' => $creator['creatorTypeID'],
'orderIndex' => $orderIndex
);
}
if ($sqlValues) {
$sql = $sql . implode(',', $placeholders);
Zotero_DB::query($sql, $sqlValues, $shardID);
}
}
// Deleted item
if (!empty($this->changed['deleted'])) {
$deleted = $this->getDeleted();
if ($deleted) {
$sql = "REPLACE INTO deletedItems (itemID) VALUES (?)";
}
else {
$sql = "DELETE FROM deletedItems WHERE itemID=?";
}
Zotero_DB::query($sql, $itemID, $shardID);
}
// Note
if ($this->isNote() || !empty($this->changed['note'])) {
if (!is_string($this->noteText)) {
$this->noteText = '';
}
// If we don't have a sanitized note, generate one
if (is_null($this->noteTextSanitized)) {
$noteTextSanitized = Zotero_Notes::sanitize($this->noteText);
// But if note is sanitized already, store empty string
if ($this->noteText === $noteTextSanitized) {
$this->noteTextSanitized = '';
}
else {
$this->noteTextSanitized = $noteTextSanitized;
}
}
$this->noteTitle = Zotero_Notes::noteToTitle(
$this->noteTextSanitized === '' ? $this->noteText : $this->noteTextSanitized
);
$sql = "INSERT INTO itemNotes
(itemID, sourceItemID, note, noteSanitized, title, hash)
VALUES (?,?,?,?,?,?)";
$parent = $this->isNote() ? $this->getSource() : null;
$hash = $this->noteText ? md5($this->noteText) : '';
$bindParams = array(
$itemID,
$parent ? $parent : null,
$this->noteText !== null ? $this->noteText : '',
$this->noteTextSanitized,
$this->noteTitle,
$hash
);
try {
Zotero_DB::query($sql, $bindParams, $shardID);
}
catch (Exception $e) {
if (strpos($e->getMessage(), "Incorrect string value") !== false) {
throw new Exception("=Invalid character in note '" . Zotero_Utilities::ellipsize($title, 70) . "'", Z_ERROR_INVALID_INPUT);
}
throw ($e);
}
Zotero_Notes::updateNoteCache($this->_libraryID, $itemID, $this->noteText);
Zotero_Notes::updateHash($this->_libraryID, $itemID, $hash);
}
// Attachment
if ($this->isAttachment()) {
$sql = "INSERT INTO itemAttachments
(itemID, sourceItemID, linkMode, mimeType, charsetID, path, storageModTime, storageHash)
VALUES (?,?,?,?,?,?,?,?)";
$parent = $this->getSource();
if ($parent) {
$parentItem = Zotero_Items::get($this->_libraryID, $parent);
if (!$parentItem) {
throw new Exception("Parent item $parent not found");
}
if ($parentItem->getSource()) {
$parentKey = $parentItem->key;
throw new Exception("=Parent item $parentKey cannot be a child attachment", Z_ERROR_INVALID_INPUT);
}
}
$linkMode = $this->attachmentLinkMode;
$charsetID = Zotero_CharacterSets::getID($this->attachmentCharset);
$path = $this->attachmentPath;
$storageModTime = $this->attachmentStorageModTime;
$storageHash = $this->attachmentStorageHash;
$bindParams = array(
$itemID,
$parent ? $parent : null,
$linkMode + 1,
$this->attachmentMIMEType,
$charsetID ? $charsetID : null,
$path ? $path : '',
$storageModTime ? $storageModTime : null,
$storageHash ? $storageHash : null
);
Zotero_DB::query($sql, $bindParams, $shardID);
}
// Sort fields
$sortTitle = Zotero_Items::getSortTitle($this->getDisplayTitle(true));
if (mb_substr($sortTitle, 0, 5) == mb_substr($this->getField('title', false, true), 0, 5)) {
$sortTitle = null;
}
$creatorSummary = $this->isRegularItem()
? mb_strcut($this->getCreatorSummary(true), 0, Zotero_Creators::$creatorSummarySortLength)
: '';
$sql = "INSERT INTO itemSortFields (itemID, sortTitle, creatorSummary) VALUES (?, ?, ?)";
Zotero_DB::query($sql, array($itemID, $sortTitle, $creatorSummary), $shardID);
//
// Source item id
//
if ($sourceItemID = $this->getSource()) {
$newSourceItem = Zotero_Items::get($this->_libraryID, $sourceItemID);
if (!$newSourceItem) {
throw new Exception("Cannot set source to invalid item");
}
switch (Zotero_ItemTypes::getName($this->_itemTypeID)) {
case 'note':
$newSourceItem->incrementNoteCount();
break;
case 'attachment':
$newSourceItem->incrementAttachmentCount();
break;
}
}
// Collections
if (!empty($this->changed['collections'])) {
foreach ($this->collections as $collectionKey) {
$collection = Zotero_Collections::getByLibraryAndKey($this->_libraryID, $collectionKey);
if (!$collection) {
throw new Exception("Collection with key '$collectionKey' not found", Z_ERROR_COLLECTION_NOT_FOUND);
}
$collection->addItem($itemID);
$collection->save();
}
}
// Tags
if (!empty($this->changed['tags'])) {
foreach ($this->tags as $tag) {
$tagID = Zotero_Tags::getID($this->libraryID, $tag->tag, $tag->type);
if ($tagID) {
$tagObj = Zotero_Tags::get($this->_libraryID, $tagID);
}
else {
$tagObj = new Zotero_Tag;
$tagObj->libraryID = $this->_libraryID;
$tagObj->name = $tag->tag;
$tagObj->type = (int) $tag->type ? $tag->type : 0;
}
$tagObj->addItem($this->_key);
$tagObj->save();
}
}
// Related items
if (!empty($this->changed['relations'])) {
$uri = Zotero_URI::getItemURI($this);
$sql = "INSERT IGNORE INTO relations "
. "(relationID, libraryID, `key`, subject, predicate, object) "
. "VALUES (?, ?, ?, ?, ?, ?)";
$insertStatement = Zotero_DB::getStatement($sql, false, $shardID);
foreach ($this->relations as $rel) {
$insertStatement->execute(
array(
Zotero_ID::get('relations'),
$this->_libraryID,
Zotero_Relations::makeKey($uri, $rel[0], $rel[1]),
$uri,
$rel[0],
$rel[1]
)
);
}
}
// Remove from delete log if it's there
$sql = "DELETE FROM syncDeleteLogKeys WHERE libraryID=? AND objectType='item' AND `key`=?";
Zotero_DB::query($sql, array($this->_libraryID, $key), $shardID);
}
//
// Existing item, update
//
else {
Z_Core::debug('Updating database with new item data for item '
. $this->_libraryID . '/' . $this->_key, 4);
$isNew = $env['isNew'] = false;
//
// Primary fields
//
$sql = "UPDATE items SET ";
$sqlValues = array();
$timestamp = Zotero_DB::getTransactionTimestamp();
$version = Zotero_Libraries::getUpdatedVersion($this->_libraryID);
$updateFields = array(
'itemTypeID',
'libraryID',
'key',
'dateAdded',
'dateModified'
);
if (!empty($this->changed['primaryData'])) {
foreach ($updateFields as $updateField) {
if (in_array($updateField, $this->changed['primaryData'])) {
$sql .= "`$updateField`=?, ";
$sqlValues[] = $this->{"_$updateField"};
}
}
}
$sql .= "serverDateModified=?, version=? WHERE itemID=?";
array_push(
$sqlValues,
$timestamp,
$version,
$this->_id
);
Zotero_DB::query($sql, $sqlValues, $shardID);
$this->_serverDateModified = $timestamp;
// Group item data
if (Zotero_Libraries::getType($this->_libraryID) == 'group' && $userID) {
$sql = "INSERT INTO groupItems VALUES (?, ?, ?)
ON DUPLICATE KEY UPDATE lastModifiedByUserID=?";
Zotero_DB::query($sql, array($this->_id, null, $userID, $userID), $shardID);
}
//
// ItemData
//
if (!empty($this->changed['itemData'])) {
$del = array();
$origReplaceSQL = "REPLACE INTO itemData (itemID, fieldID, value) VALUES ";
$replaceSQL = $origReplaceSQL;
$replaceParams = array();
$replaceCounter = 0;
$maxReplaceGroups = 40;
$max = Zotero_Items::$maxDataValueLength;
$fieldIDs = array_keys($this->changed['itemData']);
foreach ($fieldIDs as $fieldID) {
$value = $this->getField($fieldID, true, false, true);
// If field changed and is empty, mark row for deletion
if ($value === "") {
$del[] = $fieldID;
continue;
}
if ($value == 'CURRENT_TIMESTAMP'
&& Zotero_ItemFields::getID('accessDate') == $fieldID) {
$value = Zotero_DB::getTransactionTimestamp();
}
// Check length
if (strlen($value) > $max) {
$fieldName = Zotero_ItemFields::getLocalizedString(
$this->_itemTypeID, $fieldID
);
$msg = "=$fieldName field value " .
"'" . mb_substr($value, 0, 50) . "...' too long";
if ($this->_key) {
$msg .= " for item '" . $this->_libraryID
. "/" . $this->_key . "'";
}
throw new Exception($msg, Z_ERROR_FIELD_TOO_LONG);
}
if ($replaceCounter < $maxReplaceGroups) {
$replaceSQL .= "(?,?,?),";
$replaceParams = array_merge($replaceParams,
array($this->_id, $fieldID, $value)
);
}
if ($replaceCounter == $maxReplaceGroups - 1) {
$replaceSQL = substr($replaceSQL, 0, -1);
$stmt = Zotero_DB::getStatement($replaceSQL, true, $shardID);
Zotero_DB::queryFromStatement($stmt, $replaceParams);
$replaceSQL = $origReplaceSQL;
$replaceParams = array();
$replaceCounter = -1;
}
$replaceCounter++;
}
if ($replaceCounter > 0 && $replaceCounter < $maxReplaceGroups) {
$replaceSQL = substr($replaceSQL, 0, -1);
$stmt = Zotero_DB::getStatement($replaceSQL, true, $shardID);
Zotero_DB::queryFromStatement($stmt, $replaceParams);
}
// Update memcached with used fields
$fids = array();
foreach ($this->itemData as $fieldID=>$value) {
if ($value !== false && $value !== null) {
$fids[] = $fieldID;
}
}
// Delete blank fields
if ($del) {
$sql = 'DELETE from itemData WHERE itemID=? AND fieldID IN (';
$sqlParams = array($this->_id);
foreach ($del as $d) {
$sql .= '?, ';
$sqlParams[] = $d;
}
$sql = substr($sql, 0, -2) . ')';
Zotero_DB::query($sql, $sqlParams, $shardID);
}
}
//
// Creators
//
if (!empty($this->changed['creators'])) {
$indexes = array_keys($this->changed['creators']);
$sql = "INSERT INTO itemCreators
(itemID, creatorID, creatorTypeID, orderIndex) VALUES ";
$placeholders = array();
$sqlValues = array();
$cacheRows = array();
foreach ($indexes as $orderIndex) {
Z_Core::debug('Creator in position ' . $orderIndex . ' has changed', 4);
$creator = $this->getCreator($orderIndex);
$sql2 = 'DELETE FROM itemCreators WHERE itemID=? AND orderIndex=?';
Zotero_DB::query($sql2, array($this->_id, $orderIndex), $shardID);
if (!$creator) {
continue;
}
if ($creator['ref']->hasChanged()) {
Z_Core::debug("Auto-saving changed creator {$creator['ref']->id}");
$creator['ref']->save();
}
$placeholders[] = "(?, ?, ?, ?)";
array_push(
$sqlValues,
$this->_id,
$creator['ref']->id,
$creator['creatorTypeID'],
$orderIndex
);
}
if ($sqlValues) {
$sql = $sql . implode(',', $placeholders);
Zotero_DB::query($sql, $sqlValues, $shardID);
}
}
// Deleted item
if (!empty($this->changed['deleted'])) {
$deleted = $this->getDeleted();
if ($deleted) {
$sql = "REPLACE INTO deletedItems (itemID) VALUES (?)";
}
else {
$sql = "DELETE FROM deletedItems WHERE itemID=?";
}
Zotero_DB::query($sql, $this->_id, $shardID);
}
// In case this was previously a standalone item,
// delete from any collections it may have been in
if (!empty($this->changed['source']) && $this->getSource()) {
$sql = "DELETE FROM collectionItems WHERE itemID=?";
Zotero_DB::query($sql, $this->_id, $shardID);
}
//
// Note or attachment note
//
if (!empty($this->changed['note'])) {
// If we don't have a sanitized note, generate one
if (is_null($this->noteTextSanitized)) {
$noteTextSanitized = Zotero_Notes::sanitize($this->noteText);
// But if note is sanitized already, store empty string
if ($this->noteText == $noteTextSanitized) {
$this->noteTextSanitized = '';
}
else {
$this->noteTextSanitized = $noteTextSanitized;
}
}
$this->noteTitle = Zotero_Notes::noteToTitle(
$this->noteTextSanitized === '' ? $this->noteText : $this->noteTextSanitized
);
// Only record sourceItemID in itemNotes for notes
if ($this->isNote()) {
$sourceItemID = $this->getSource();
}
$sourceItemID = !empty($sourceItemID) ? $sourceItemID : null;
$hash = $this->noteText ? md5($this->noteText) : '';
$sql = "INSERT INTO itemNotes
(itemID, sourceItemID, note, noteSanitized, title, hash)
VALUES (?,?,?,?,?,?)
ON DUPLICATE KEY UPDATE sourceItemID=?, note=?, noteSanitized=?, title=?, hash=?";
$bindParams = array(
$this->_id,
$sourceItemID, $this->noteText, $this->noteTextSanitized, $this->noteTitle, $hash,
$sourceItemID, $this->noteText, $this->noteTextSanitized, $this->noteTitle, $hash
);
Zotero_DB::query($sql, $bindParams, $shardID);
Zotero_Notes::updateNoteCache($this->_libraryID, $this->_id, $this->noteText);
Zotero_Notes::updateHash($this->_libraryID, $this->_id, $hash);
// TODO: handle changed source?
}
// Attachment
if (!empty($this->changed['attachmentData'])) {
$sql = "INSERT INTO itemAttachments
(itemID, sourceItemID, linkMode, mimeType, charsetID, path, storageModTime, storageHash)
VALUES (?,?,?,?,?,?,?,?)
ON DUPLICATE KEY UPDATE
sourceItemID=VALUES(sourceItemID),
linkMode=VALUES(linkMode),
mimeType=VALUES(mimeType),
charsetID=VALUES(charsetID),
path=VALUES(path),
storageModTime=VALUES(storageModTime),
storageHash=VALUES(storageHash)";
$parent = $this->getSource();
if ($parent) {
$parentItem = Zotero_Items::get($this->_libraryID, $parent);
if (!$parentItem) {
throw new Exception("Parent item $parent not found");
}
if ($parentItem->getSource()) {
$parentKey = $parentItem->key;
throw new Exception("=Parent item $parentKey cannot be a child attachment", Z_ERROR_INVALID_INPUT);
}
}
$linkMode = $this->attachmentLinkMode;
$charsetID = Zotero_CharacterSets::getID($this->attachmentCharset);
$path = $this->attachmentPath;
$storageModTime = $this->attachmentStorageModTime;
$storageHash = $this->attachmentStorageHash;
$bindParams = array(
$this->_id,
$parent ? $parent : null,
$linkMode + 1,
$this->attachmentMIMEType,
$charsetID ? $charsetID : null,
$path ? $path : '',
$storageModTime ? $storageModTime : null,
$storageHash ? $storageHash : null
);
Zotero_DB::query($sql, $bindParams, $shardID);
}
// Sort fields
if (!empty($this->changed['primaryData']['itemTypeID'])
|| !empty($this->changed['itemData'])
|| !empty($this->changed['creators'])) {
$sql = "UPDATE itemSortFields SET sortTitle=?";
$params = array();
$sortTitle = Zotero_Items::getSortTitle($this->getDisplayTitle(true));
if (mb_substr($sortTitle, 0, 5) == mb_substr($this->getField('title', false, true), 0, 5)) {
$sortTitle = null;
}
$params[] = $sortTitle;
if (!empty($this->changed['creators'])) {
$creatorSummary = mb_strcut($this->getCreatorSummary(true), 0, Zotero_Creators::$creatorSummarySortLength);
$sql .= ", creatorSummary=?";
$params[] = $creatorSummary;
}
$sql .= " WHERE itemID=?";
$params[] = $this->_id;
Zotero_DB::query($sql, $params, $shardID);
}
//
// Source item id
//
if (!empty($this->changed['source'])) {
$type = Zotero_ItemTypes::getName($this->_itemTypeID);
$Type = ucwords($type);
// Update DB, if not a note or attachment we already changed above
if (empty($this->changed['attachmentData']) && (empty($this->changed['note']) || !$this->isNote())) {
$sql = "UPDATE item" . $Type . "s SET sourceItemID=? WHERE itemID=?";
$parent = $this->getSource();
$bindParams = array(
$parent ? $parent : null,
$this->_id
);
Zotero_DB::query($sql, $bindParams, $shardID);
}
}
if (false && !empty($this->changed['source'])) {
trigger_error("Unimplemented", E_USER_ERROR);
$newItem = Zotero_Items::get($this->_libraryID, $sourceItemID);
// FK check
if ($newItem) {
if ($sourceItemID) {
}
else {
trigger_error("Cannot set $type source to invalid item $sourceItemID", E_USER_ERROR);
}
}
$oldSourceItemID = $this->getSource();
if ($oldSourceItemID == $sourceItemID) {
Z_Core::debug("$Type source hasn't changed", 4);
}
else {
$oldItem = Zotero_Items::get($this->_libraryID, $oldSourceItemID);
if ($oldSourceItemID && $oldItem) {
}
else {
//$oldItemNotifierData = null;
Z_Core::debug("Old source item $oldSourceItemID didn't exist in setSource()", 2);
}
// If this was an independent item, remove from any collections where it
// existed previously and add source instead if there is one
if (!$oldSourceItemID) {
$sql = "SELECT collectionID FROM collectionItems WHERE itemID=?";
$changedCollections = Zotero_DB::query($sql, $itemID, $shardID);
if ($changedCollections) {
trigger_error("Unimplemented", E_USER_ERROR);
if ($sourceItemID) {
$sql = "UPDATE OR REPLACE collectionItems "
. "SET itemID=? WHERE itemID=?";
Zotero_DB::query($sql, array($sourceItemID, $this->_id), $shardID);
}
else {
$sql = "DELETE FROM collectionItems WHERE itemID=?";
Zotero_DB::query($sql, $this->_id, $shardID);
}
}
}
$sql = "UPDATE item{$Type}s SET sourceItemID=?
WHERE itemID=?";
$bindParams = array(
$sourceItemID ? $sourceItemID : null,
$itemID
);
Zotero_DB::query($sql, $bindParams, $shardID);
//Zotero.Notifier.trigger('modify', 'item', $this->_id, notifierData);
// Update the counts of the previous and new sources
if ($oldItem) {
/*
switch ($type) {
case 'note':
$oldItem->decrementNoteCount();
break;
case 'attachment':
$oldItem->decrementAttachmentCount();
break;
}
*/
//Zotero.Notifier.trigger('modify', 'item', oldSourceItemID, oldItemNotifierData);
}
if ($newItem) {
/*
switch ($type) {
case 'note':
$newItem->incrementNoteCount();
break;
case 'attachment':
$newItem->incrementAttachmentCount();
break;
}
*/
//Zotero.Notifier.trigger('modify', 'item', sourceItemID, newItemNotifierData);
}
}
}
// Collections
if (!empty($this->changed['collections'])) {
$oldCollections = $this->previousData['collections'];
$newCollections = $this->collections;
$toAdd = array_diff($newCollections, $oldCollections);
$toRemove = array_diff($oldCollections, $newCollections);
foreach ($toAdd as $collectionKey) {
$collection = Zotero_Collections::getByLibraryAndKey($this->_libraryID, $collectionKey);
if (!$collection) {
throw new Exception("Collection with key '$collectionKey' not found", Z_ERROR_COLLECTION_NOT_FOUND);
}
$collection->addItem($this->_id);
$collection->save();
}
foreach ($toRemove as $collectionKey) {
$collection = Zotero_Collections::getByLibraryAndKey($this->_libraryID, $collectionKey);
$collection->removeItem($this->_id);
$collection->save();
}
}
if (!empty($this->changed['tags'])) {
$oldTags = $this->previousData['tags'];
$newTags = $this->tags;
$toAdd = [];
$toRemove = [];
// Get new tags not in existing
for ($i=0, $len=sizeOf($newTags); $i<$len; $i++) {
if (!isset($newTags[$i]->type)) {
$newTags[$i]->type = 0;
}
$name = trim($newTags[$i]->tag);
$type = $newTags[$i]->type;
foreach ($oldTags as $tag) {
// Do a case-insensitive comparison, to match the client
if (strtolower($tag->name) == strtolower($name) && $tag->type == $type) {
continue 2;
}
}
$toAdd[] = $newTags[$i];
}
// Get existing tags not in new
for ($i=0, $len=sizeOf($oldTags); $i<$len; $i++) {
$name = $oldTags[$i]->name;
$type = $oldTags[$i]->type;
foreach ($newTags as $tag) {
if (strtolower($tag->tag) == strtolower($name) && $tag->type == $type) {
continue 2;
}
}
$toRemove[] = $oldTags[$i];
}
foreach ($toAdd as $tag) {
$name = $tag->tag;
$type = $tag->type;
$tagID = Zotero_Tags::getID($this->_libraryID, $name, $type, true);
if (!$tagID) {
$tag = new Zotero_Tag;
$tag->libraryID = $this->_libraryID;
$tag->name = $name;
$tag->type = $type;
$tagID = $tag->save();
}
$tag = Zotero_Tags::get($this->_libraryID, $tagID);
$tag->addItem($this->_key);
$tag->save();
}
foreach ($toRemove as $tag) {
$tag->removeItem($this->_key);
$tag->save();
}
}
// Related items
if (!empty($this->changed['relations'])) {
$removed = [];
$new = [];
$current = $this->relations;
// TEMP
// Convert old-style related items into relations
$sql = "SELECT `key` FROM itemRelated IR "
. "JOIN items I ON (IR.linkedItemID=I.itemID) "
. "WHERE IR.itemID=?";
$toMigrate = Zotero_DB::columnQuery($sql, $this->_id, $shardID);
if ($toMigrate) {
$prefix = Zotero_URI::getLibraryURI($this->_libraryID) . "/items/";
$new = array_map(function ($key) use ($prefix) {
return [
Zotero_Relations::$relatedItemPredicate,
$prefix . $key
];
}, $toMigrate);
$sql = "DELETE FROM itemRelated WHERE itemID=?";
Zotero_DB::query($sql, $this->_id, $shardID);
}
foreach ($this->previousData['relations'] as $rel) {
if (array_search($rel, $current) === false) {
$removed[] = $rel;
}
}
foreach ($current as $rel) {
if (array_search($rel, $this->previousData['relations']) !== false) {
continue;
}
$new[] = $rel;
}
$uri = Zotero_URI::getItemURI($this);
if ($removed) {
$sql = "DELETE FROM relations WHERE libraryID=? AND `key`=?";
$deleteStatement = Zotero_DB::getStatement($sql, false, $shardID);
foreach ($removed as $rel) {
$params = [
$this->_libraryID,
Zotero_Relations::makeKey($uri, $rel[0], $rel[1])
];
$deleteStatement->execute($params);
// TEMP
// For owl:sameAs, delete reverse as well, since the client
// can save that way
if ($rel[0] == Zotero_Relations::$linkedObjectPredicate) {
$params = [
$this->_libraryID,
Zotero_Relations::makeKey($rel[1], $rel[0], $uri)
];
$deleteStatement->execute($params);
}
}
}
if ($new) {
$sql = "INSERT IGNORE INTO relations "
. "(relationID, libraryID, `key`, subject, predicate, object) "
. "VALUES (?, ?, ?, ?, ?, ?)";
$insertStatement = Zotero_DB::getStatement($sql, false, $shardID);
foreach ($new as $rel) {
$insertStatement->execute(
array(
Zotero_ID::get('relations'),
$this->_libraryID,
Zotero_Relations::makeKey($uri, $rel[0], $rel[1]),
$uri,
$rel[0],
$rel[1]
)
);
// If adding a related item, the version on that item has to be
// updated as well (if it exists). Otherwise, requests for that
// item will return cached data without the new relation.
if ($rel[0] == Zotero_Relations::$relatedItemPredicate) {
$relatedItem = Zotero_URI::getURIItem($rel[1]);
if (!$relatedItem) {
Z_Core::debug("Related item " . $rel[1] . " does not exist "
. "for item " . $this->_libraryKey);
continue;
}
// If item has already changed, assume something else is taking
// care of saving it and don't do so now, to avoid endless loops
// with circular relations
if ($relatedItem->hasChanged()) {
continue;
}
$relatedItem->updateVersion($userID);
}
}
}
}
}
Zotero_DB::commit();
}
catch (Exception $e) {
Zotero_DB::rollback();
throw ($e);
}
$this->cacheEnabled = false;
$this->finalizeSave($env);
if ($isNew) {
Zotero_Notifier::trigger('add', 'item', $this->_libraryID . "/" . $this->_key);
return $this->_id;
}
Zotero_Notifier::trigger('modify', 'item', $this->_libraryID . "/" . $this->_key);
return true;
}
/**
* $tags is an array of objects with properties 'tag' and 'type'
*/
public function setTags($newTags)
{
if (!$this->id) {
throw new Exception('itemID not set');
}
$numTags = $this->numTags();
if (!$newTags && !$numTags) {
return false;
}
Zotero_DB::beginTransaction();
$existingTags = $this->getTags();
$toAdd = array();
$toRemove = array();
// Get new tags not in existing
for ($i = 0, $len = sizeOf($newTags); $i < $len; $i++) {
if (!isset($newTags[$i]->type)) {
$newTags[$i]->type = 0;
}
$name = trim($newTags[$i]->tag);
// 'tag', not 'name', since that's what JSON uses
$type = $newTags[$i]->type;
foreach ($existingTags as $tag) {
// Do a case-insensitive comparison, to match the client
if (strtolower($tag->name) == strtolower($name) && $tag->type == $type) {
continue 2;
}
}
$toAdd[] = $newTags[$i];
}
// Get existing tags not in new
for ($i = 0, $len = sizeOf($existingTags); $i < $len; $i++) {
$name = $existingTags[$i]->name;
$type = $existingTags[$i]->type;
foreach ($newTags as $tag) {
if (strtolower($tag->tag) == strtolower($name) && $tag->type == $type) {
continue 2;
}
}
$toRemove[] = $existingTags[$i];
}
foreach ($toAdd as $tag) {
$name = $tag->tag;
$type = $tag->type;
$tagID = Zotero_Tags::getID($this->libraryID, $name, $type, true);
if (!$tagID) {
$tag = new Zotero_Tag();
$tag->libraryID = $this->libraryID;
$tag->name = $name;
$tag->type = $type;
$tagID = $tag->save();
}
$tag = Zotero_Tags::get($this->libraryID, $tagID);
$tag->addItem($this->id);
$tag->save();
}
foreach ($toRemove as $tag) {
$tag->removeItem($this->id);
$tag->save();
}
Zotero_DB::commit();
return $toAdd || $toRemove;
}
