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Item.inc.php
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Item.inc.php
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<?
/*
***** BEGIN LICENSE BLOCK *****
This file is part of the Zotero Data Server.
Copyright © 2010 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***** END LICENSE BLOCK *****
*/
class Zotero_Item extends Zotero_DataObject {
protected $objectType = 'item';
protected $dataTypesExtended = [
'itemData',
'note',
'creators',
'childItems',
'tags',
'collections',
'relations'
];
protected $_itemTypeID;
protected $_dateAdded;
protected $_dateModified;
protected $_serverDateModified;
private $itemData = array();
private $creators = array();
private $creatorSummary;
private $sourceItem;
private $noteTitle = null;
private $noteText = null;
private $noteTextSanitized = null;
private $inPublications = null;
private $attachmentData = array(
'linkMode' => null,
'mimeType' => null,
'charset' => null,
'path' => null,
'filename' => null,
'storageModTime' => null,
'storageHash' => null,
);
private $annotationData = [
'type' => null,
'authorName' => null,
'text' => null,
'comment' => null,
'color' => null,
'pageLabel' => null,
'sortIndex' => null,
'position' => null
];
private $annotationTitle = null;
private $numNotes;
private $numAttachments;
private $numAnnotations;
protected $collections = [];
protected $tags = [];
public function __construct($itemTypeOrID=false) {
parent::__construct();
if ($itemTypeOrID) {
$this->setField("itemTypeID", Zotero_ItemTypes::getID($itemTypeOrID));
}
}
public function __get($field) {
// Inline libraryID, id, and key for performance
if ($field == 'libraryID') {
return $this->_libraryID;
}
if ($field == 'id') {
if (!$this->_id && $this->_key && !$this->loaded['primaryData']) {
$this->loadPrimaryData();
}
return $this->_id;
}
if ($field == 'key') {
if (!$this->_key && $this->_id && !$this->loaded['primaryData']) {
$this->loadPrimaryData();
}
return $this->_key;
}
if (Zotero_Items::isPrimaryField($field)) {
if (!property_exists('Zotero_Item', "_$field")) {
throw new Exception("Zotero_Item property '$field' doesn't exist");
}
return $this->getField($field);
}
switch ($field) {
case 'libraryKey':
return $this->libraryID . "/" . $this->key;
case 'creatorSummary':
return $this->getCreatorSummary();
case 'inPublications':
return $this->getPublications();
case 'createdByUserID':
return $this->getCreatedByUserID();
case 'lastModifiedByUserID':
return $this->getLastModifiedByUserID();
case 'attachmentLinkMode':
return $this->getAttachmentLinkMode();
case 'attachmentContentType':
return $this->getAttachmentMIMEType();
// Deprecated
case 'attachmentMIMEType':
return $this->getAttachmentMIMEType();
case 'attachmentCharset':
return $this->getAttachmentCharset();
case 'attachmentFilename':
return $this->getAttachmentFilename();
case 'attachmentPath':
case 'attachmentStorageModTime':
case 'attachmentStorageHash':
// Strip 'attachment'
$field = substr($field, 10);
$field[0] = strtolower($field[0]);
return $this->getAttachmentField($field);
case 'annotationType':
case 'annotationAuthorName':
case 'annotationText':
case 'annotationComment':
case 'annotationColor':
case 'annotationPageLabel':
case 'annotationSortIndex':
case 'annotationPosition':
// Strip 'annotation'
$field = substr($field, 10);
$field[0] = strtolower($field[0]);
return $this->getAnnotationField($field);
case 'relatedItems':
return $this->getRelatedItems();
case 'etag':
return $this->getETag();
default:
return parent::__get($field);
}
throw new Exception("'$field' is not a primary or attachment field");
}
public function __set($field, $val) {
//Z_Core::debug("Setting field $field to '$val'");
if ($field == 'id' || Zotero_Items::isPrimaryField($field)) {
if (!property_exists('Zotero_Item', "_$field")) {
throw new Exception("'$field' is not a valid Zotero_Item property");
}
return $this->setField($field, $val);
}
switch ($field) {
case 'deleted':
return $this->setDeleted($val);
case 'inPublications':
return $this->setPublications($val);
case 'attachmentLinkMode':
case 'attachmentCharset':
case 'attachmentStorageModTime':
case 'attachmentStorageHash':
case 'attachmentPath':
case 'attachmentFilename':
$field = substr($field, 10);
$field[0] = strtolower($field[0]);
return $this->setAttachmentField($field, $val);
case 'attachmentContentType':
// Deprecated
case 'attachmentMIMEType':
return $this->setAttachmentField('mimeType', $val);
case 'annotationType':
case 'annotationAuthorName':
case 'annotationText':
case 'annotationComment':
case 'annotationColor':
case 'annotationPageLabel':
case 'annotationSortIndex':
case 'annotationPosition':
$field = substr($field, 10);
$field[0] = strtolower($field[0]);
return $this->setAnnotationField($field, $val);
case 'relatedItems':
return $this->setRelatedItems($val);
}
throw new Exception("'$field' is not a valid Zotero_Item property");
}
public function getField($field, $unformatted=false, $includeBaseMapped=false, $skipValidation=false) {
//Z_Core::debug("Requesting field '$field' for item $this->id", 4);
if (($this->_id || $this->_key) && !$this->loaded['primaryData']) {
$this->loadPrimaryData();
}
if ($field == 'id' || Zotero_Items::isPrimaryField($field)) {
//Z_Core::debug("Returning '" . $this->{"_$field"} . "' for field $field", 4);
return $this->{"_$field"};
}
if ($this->isNote()) {
switch ($field) {
case 'title':
return $this->getNoteTitle();
default:
return '';
}
}
else if ($this->isAnnotation()) {
switch ($field) {
case 'title':
return $this->getAnnotationTitle();
}
}
if ($includeBaseMapped) {
$fieldID = Zotero_ItemFields::getFieldIDFromTypeAndBase(
$this->itemTypeID, $field
);
}
if (empty($fieldID)) {
$fieldID = Zotero_ItemFields::getID($field);
}
// If field is not valid for this (non-custom) type, return empty string
if (!Zotero_ItemTypes::isCustomType($this->itemTypeID)
&& !Zotero_ItemFields::isCustomField($fieldID)
&& !array_key_exists($fieldID, $this->itemData)) {
$msg = "Field '$field' doesn't exist for item $this->libraryID/$this->key of type {$this->itemTypeID}";
if (!$skipValidation) {
throw new Exception($msg);
}
Z_Core::debug($msg . " -- returning ''", 4);
return '';
}
if ($this->id && is_null($this->itemData[$fieldID]) && !$this->loaded['itemData']) {
$this->loadItemData();
}
$value = $this->itemData[$fieldID] !== false ? $this->itemData[$fieldID] : '';
if (!$unformatted) {
// Multipart date fields
if (Zotero_ItemFields::isDate($fieldID)) {
$value = Zotero_Date::multipartToStr($value);
}
}
//Z_Core::debug("Returning '$value' for field $field", 4);
return $value;
}
public function getDisplayTitle($includeAuthorAndDate=false) {
$title = $this->getField('title', false, true);
$itemTypeID = $this->itemTypeID;
$itemTypeLetter = Zotero_ItemTypes::getID('letter');
$itemTypeInterview = Zotero_ItemTypes::getID('interview');
$itemTypeCase = Zotero_ItemTypes::getID('case');
$creatorTypeAuthor = Zotero_CreatorTypes::getID('author');
$creatorTypeRecipient = Zotero_CreatorTypes::getID('recipient');
$creatorTypeInterviewer = Zotero_CreatorTypes::getID('interviewer');
$creatorTypeInterviewee = Zotero_CreatorTypes::getID('interviewee');
// 'letter' or 'interview'
if (!$title && ($itemTypeID == $itemTypeLetter || $itemTypeID == $itemTypeInterview)) {
$creators = $this->getCreators();
$authors = array();
$participants = array();
if ($creators) {
foreach ($creators as $creator) {
if (($itemTypeID == $itemTypeLetter && $creator['creatorTypeID'] == $creatorTypeRecipient) ||
($itemTypeID == $itemTypeInterview && $creator['creatorTypeID'] == $creatorTypeInterviewer)) {
$participants[] = $creator;
}
else if (($itemTypeID == $itemTypeLetter && $creator['creatorTypeID'] == $creatorTypeAuthor) ||
($itemTypeID == $itemTypeInterview && $creator['creatorTypeID'] == $creatorTypeInterviewee)) {
$authors[] = $creator;
}
}
}
$strParts = array();
if ($includeAuthorAndDate) {
$names = array();
foreach($authors as $author) {
$names[] = $author['ref']->lastName;
}
// TODO: Use same logic as getFirstCreatorSQL() (including "et al.")
if ($names) {
// TODO: was localeJoin() in client
$strParts[] = implode(', ', $names);
}
}
if ($participants) {
$names = array();
foreach ($participants as $participant) {
$names[] = $participant['ref']->lastName;
}
switch (sizeOf($names)) {
case 1:
//$str = 'oneParticipant';
$nameStr = $names[0];
break;
case 2:
//$str = 'twoParticipants';
$nameStr = "{$names[0]} and {$names[1]}";
break;
case 3:
//$str = 'threeParticipants';
$nameStr = "{$names[0]}, {$names[1]}, and {$names[2]}";
break;
default:
//$str = 'manyParticipants';
$nameStr = "{$names[0]} et al.";
}
/*
pane.items.letter.oneParticipant = Letter to %S
pane.items.letter.twoParticipants = Letter to %S and %S
pane.items.letter.threeParticipants = Letter to %S, %S, and %S
pane.items.letter.manyParticipants = Letter to %S et al.
pane.items.interview.oneParticipant = Interview by %S
pane.items.interview.twoParticipants = Interview by %S and %S
pane.items.interview.threeParticipants = Interview by %S, %S, and %S
pane.items.interview.manyParticipants = Interview by %S et al.
*/
//$strParts[] = Zotero.getString('pane.items.' + itemTypeName + '.' + str, names);
$loc = Zotero_ItemTypes::getLocalizedString($itemTypeID);
// Letter
if ($itemTypeID == $itemTypeLetter) {
$loc .= ' to ';
}
// Interview
else {
$loc .= ' by ';
}
$strParts[] = $loc . $nameStr;
}
else {
$strParts[] = Zotero_ItemTypes::getLocalizedString($itemTypeID);
}
if ($includeAuthorAndDate) {
$d = $this->getField('date');
if ($d) {
$strParts[] = $d;
}
}
$title = '[';
$title .= join('; ', $strParts);
$title .= ']';
}
// 'case'
else if ($itemTypeID == $itemTypeCase) {
if ($title) {
$reporter = $this->getField('reporter');
if ($reporter) {
$title = $title . ' (' . $reporter . ')';
}
}
else { // civil law cases have only shortTitle as case name
$strParts = array();
$caseinfo = "";
$part = $this->getField('court');
if ($part) {
$strParts[] = $part;
}
$part = Zotero_Date::multipartToSQL($this->getField('date', true, true));
if ($part) {
$strParts[] = $part;
}
$creators = $this->getCreators();
if ($creators && $creators[0]['creatorTypeID'] === $creatorTypeAuthor) {
$strParts[] = $creators[0]['ref']->lastName;
}
$title = '[' . implode(', ', $strParts) . ']';
}
}
return $title;
}
/**
* Returns all fields used in item
*
* @param bool $asNames Return as field names
* @return array Array of field ids or names
*/
public function getUsedFields($asNames=false) {
if (!$this->id) {
return array();
}
$sql = "SELECT fieldID FROM itemData WHERE itemID=?";
$stmt = Zotero_DB::getStatement($sql, true, Zotero_Shards::getByLibraryID($this->libraryID));
$fields = Zotero_DB::columnQueryFromStatement($stmt, $this->id);
if (!$fields) {
$fields = array();
}
if ($asNames) {
$fieldNames = array();
foreach ($fields as $field) {
$fieldNames[] = Zotero_ItemFields::getName($field);
}
$fields = $fieldNames;
}
return $fields;
}
/**
* Check if item exists in the database
*
* @return bool TRUE if the item exists, FALSE if not
*/
public function exists() {
if (!$this->id) {
throw new Exception('$this->id not set');
}
$sql = "SELECT COUNT(*) FROM items WHERE itemID=?";
return !!Zotero_DB::valueQuery($sql, $this->id, Zotero_Shards::getByLibraryID($this->libraryID));
}
private function load($allowFail=false) {
$this->loadPrimaryData(false, !$allowFail);
$this->loadItemData();
$this->loadCreators();
}
public function loadFromRow($row, $reload=false) {
// If necessary or reloading, set the type and reinitialize $this->itemData
if ($reload || (!$this->_itemTypeID && !empty($row['itemTypeID']))) {
$this->setType($row['itemTypeID'], true);
}
foreach ($row as $field => $val) {
if (!Zotero_Items::isPrimaryField($field)) {
Z_Core::debug("'$field' is not a valid primary field", 1);
}
//Z_Core::debug("Setting field '$field' to '$val' for item " . $this->id);
switch ($field) {
case 'itemTypeID':
$this->setType($val, true);
break;
default:
$this->{"_$field"} = $val;
}
}
$this->loaded['primaryData'] = true;
$this->clearChanged('primaryData');
$this->identified = true;
}
/**
* @param {Integer} $itemTypeID itemTypeID to change to
* @param {Boolean} [$loadIn=false] Internal call, so don't flag field as changed
*/
private function setType($itemTypeID, $loadIn=false) {
if ($itemTypeID == $this->_itemTypeID) {
return true;
}
// TODO: block switching to/from note or attachment
if (!Zotero_ItemTypes::getID($itemTypeID)) {
throw new Exception("Invalid itemTypeID", Z_ERROR_INVALID_INPUT);
}
$copiedFields = array();
$oldItemTypeID = $this->_itemTypeID;
if ($oldItemTypeID) {
if ($loadIn) {
throw new Exception('Cannot change type in loadIn mode');
}
if (!$this->loaded['itemData'] && $this->id) {
$this->loadItemData();
}
$obsoleteFields = $this->getFieldsNotInType($itemTypeID);
if ($obsoleteFields) {
foreach($obsoleteFields as $oldFieldID) {
// Try to get a base type for this field
$baseFieldID =
Zotero_ItemFields::getBaseIDFromTypeAndField($this->_itemTypeID, $oldFieldID);
if ($baseFieldID) {
$newFieldID =
Zotero_ItemFields::getFieldIDFromTypeAndBase($itemTypeID, $baseFieldID);
// If so, save value to copy to new field
if ($newFieldID) {
$copiedFields[] = array($newFieldID, $this->getField($oldFieldID));
}
}
// Clear old field
$this->setField($oldFieldID, false);
}
}
foreach ($this->itemData as $fieldID => $value) {
if (!is_null($this->itemData[$fieldID]) &&
(!$obsoleteFields || !in_array($fieldID, $obsoleteFields))) {
$copiedFields[] = array($fieldID, $this->getField($fieldID));
}
}
}
$this->_itemTypeID = $itemTypeID;
if ($oldItemTypeID) {
// Reset custom creator types to the default
$creators = $this->getCreators();
if ($creators) {
foreach ($creators as $orderIndex=>$creator) {
if (Zotero_CreatorTypes::isCustomType($creator['creatorTypeID'])) {
continue;
}
if (!Zotero_CreatorTypes::isValidForItemType($creator['creatorTypeID'], $itemTypeID)) {
// TODO: port
// Reset to contributor (creatorTypeID 2), which exists in all
$this->setCreator($orderIndex, $creator['ref'], 2);
}
}
}
}
// If not custom item type, initialize $this->itemData with type-specific fields
$this->itemData = array();
if (!Zotero_ItemTypes::isCustomType($itemTypeID)) {
$fields = Zotero_ItemFields::getItemTypeFields($itemTypeID);
foreach($fields as $fieldID) {
$this->itemData[$fieldID] = null;
}
}
if ($copiedFields) {
foreach($copiedFields as $copiedField) {
$this->setField($copiedField[0], $copiedField[1]);
}
}
if ($loadIn) {
$this->loaded['itemData'] = false;
}
else {
$this->changed['primaryData']['itemTypeID'] = true;
}
return true;
}
/*
* Find existing fields from current type that aren't in another
*
* If _allowBaseConversion_, don't return fields that can be converted
* via base fields (e.g. label => publisher => studio)
*/
private function getFieldsNotInType($itemTypeID, $allowBaseConversion=false) {
$fieldIDs = array();
foreach ($this->itemData as $fieldID => $val) {
if (!is_null($val)) {
if (Zotero_ItemFields::isValidForType($fieldID, $itemTypeID)) {
continue;
}
if ($allowBaseConversion) {
$baseID = Zotero_ItemFields::getBaseIDFromTypeAndField($this->itemTypeID, $fieldID);
if ($baseID) {
$newFieldID = Zotero_ItemFields::getFieldIDFromTypeAndBase($itemTypeID, $baseID);
if ($newFieldID) {
continue;
}
}
}
$fieldIDs[] = $fieldID;
}
}
if (!$fieldIDs) {
return false;
}
return $fieldIDs;
}
/**
* @param string|int $field Field name or ID
* @param mixed $value Field value
* @param bool $loadIn Populate the data fields without marking as changed
*/
public function setField($field, $value, $loadIn=false) {
if (is_string($value)) {
$value = trim($value);
}
if (empty($field)) {
throw new Exception("Field not specified");
}
if ($field == 'id' || $field == 'libraryID' || $field == 'key') {
return $this->setIdentifier($field, $value);
}
if (($this->_id || $this->_key) && !$this->loaded['primaryData']) {
$this->loadPrimaryData();
}
// Primary field
if (Zotero_Items::isPrimaryField($field)) {
if ($loadIn) {
throw new Exception("Cannot set primary field $field in loadIn mode");
}
switch ($field) {
case 'itemTypeID':
break;
case 'dateAdded':
case 'dateModified':
if (Zotero_Date::isISO8601($value)) {
$value = Zotero_Date::iso8601ToSQL($value);
}
break;
case 'version':
$value = (int) $value;
break;
case 'synced':
$value = !!$value;
default:
throw new Exception("Primary field $field cannot be changed");
}
if ($this->{"_$field"} === $value) {
Z_Core::debug("Field '$field' has not changed", 4);
return false;
}
Z_Core::debug("Field $field has changed from " . $this->{"_$field"} . " to $value", 4);
if ($field == 'itemTypeID') {
$this->setType($value, $loadIn);
}
else {
$this->{"_$field"} = $value;
$this->changed['primaryData'][$field] = true;
}
return true;
}
//
// itemData field
//
if ($field == 'accessDate' && Zotero_Date::isISO8601($value)) {
$value = Zotero_Date::iso8601ToSQL($value);
}
if (!$this->_itemTypeID) {
trigger_error('Item type must be set before setting field data', E_USER_ERROR);
}
// If existing item, load field data first unless we're already in
// the middle of a load
if ($this->_id) {
if (!$loadIn && !$this->loaded['itemData']) {
$this->loadItemData();
}
}
else {
$this->loaded['itemData'] = true;
}
$fieldID = Zotero_ItemFields::getID($field);
if (!$fieldID) {
throw new Exception("'$field' is not a valid itemData field", Z_ERROR_INVALID_INPUT);
}
if ($value === "" || $value === null) {
$value = false;
}
if ($value !== false && !Zotero_ItemFields::isValidForType($fieldID, $this->_itemTypeID)) {
$fieldName = Zotero_ItemFields::getName($fieldID);
throw new Exception("'$fieldName' is not a valid field for type '"
. Zotero_ItemTypes::getName($this->_itemTypeID) . "'", Z_ERROR_INVALID_INPUT);
}
if (!$loadIn) {
// Save date field as multipart date
if (Zotero_ItemFields::isDate($fieldID) && !Zotero_Date::isMultipart($value)) {
$value = Zotero_Date::strToMultipart($value);
if ($value === "") {
$value = false;
}
}
// Validate access date
else if ($fieldID == Zotero_ItemFields::getID('accessDate')) {
if ($value && (!Zotero_Date::isSQLDate($value) &&
!Zotero_Date::isSQLDateTime($value) &&
$value != 'CURRENT_TIMESTAMP')) {
Z_Core::debug("Discarding invalid accessDate '" . $value . "'");
return false;
}
}
// If existing value, make sure it's actually changing
if ((!isset($this->itemData[$fieldID]) && $value === false) ||
(isset($this->itemData[$fieldID]) && $this->itemData[$fieldID] === $value)) {
return false;
}
//Z_Core::debug("Field $field has changed from {$this->itemData[$fieldID]} to $value", 4);
// TODO: Save a copy of the object before modifying?
}
$this->itemData[$fieldID] = $value;
if (!$loadIn) {
if (!isset($changed['itemData'])) {
$changed['itemData'] = [];
}
$this->changed['itemData'][$fieldID] = true;
}
return true;
}
public function isNote() {
return Zotero_ItemTypes::getName($this->getField('itemTypeID')) == 'note';
}
public function isAttachment() {
return Zotero_ItemTypes::getName($this->getField('itemTypeID')) == 'attachment';
}
public function isFileAttachment() {
if (!$this->isAttachment()) return false;
$name = $this->attachmentLinkMode;
return $name != "linked_url";
}
public function isImportedAttachment() {
if (!$this->isAttachment()) return false;
$name = $this->attachmentLinkMode;
return $name == "imported_file" || $name == "imported_url";
}
public function isStoredFileAttachment() {
if (!$this->isAttachment()) return false;
$name = $this->attachmentLinkMode;
return $name == "imported_file" || $name == "imported_url" || $name == "embedded_image";
}
public function isPDFAttachment() {
if (!$this->isFileAttachment()) return false;
return $this->attachmentContentType == 'application/pdf';
}
public function isEmbeddedImageAttachment() {
if (!$this->isAttachment()) return false;
$name = $this->attachmentLinkMode;
return $name == "embedded_image";
}
public function isAnnotation() {
return Zotero_ItemTypes::getName($this->getField('itemTypeID')) == 'annotation';
}
private function getCreatorSummary() {
if ($this->creatorSummary !== null) {
return $this->creatorSummary;
}
if ($this->cacheEnabled) {
$cacheVersion = 1;
$cacheKey = $this->getCacheKey("creatorSummary",
$cacheVersion
. isset(Z_CONFIG::$CACHE_VERSION_ITEM_DATA)
? "_" . Z_CONFIG::$CACHE_VERSION_ITEM_DATA
: ""
);
if ($cacheKey) {
$creatorSummary = Z_Core::$MC->get($cacheKey);
if ($creatorSummary !== false) {
$this->creatorSummary = $creatorSummary;
return $creatorSummary;
}
}
}
$itemTypeID = $this->getField('itemTypeID');
$creators = $this->getCreators();
$creatorTypeIDsToTry = array(
// First try for primary creator types
Zotero_CreatorTypes::getPrimaryIDForType($itemTypeID),
// Then try editors
Zotero_CreatorTypes::getID('editor'),
// Then try contributors
Zotero_CreatorTypes::getID('contributor')
);
$localizedAnd = " and ";
$etAl = " et al.";
$creatorSummary = '';
foreach ($creatorTypeIDsToTry as $creatorTypeID) {
$loc = array();
foreach ($creators as $orderIndex=>$creator) {
if ($creator['creatorTypeID'] == $creatorTypeID) {
$loc[] = $orderIndex;
if (sizeOf($loc) == 3) {
break;
}
}
}
switch (sizeOf($loc)) {
case 0:
continue 2;
case 1:
$creatorSummary = $creators[$loc[0]]['ref']->lastName;
break;
case 2:
$creatorSummary = $creators[$loc[0]]['ref']->lastName
. $localizedAnd
. $creators[$loc[1]]['ref']->lastName;
break;
case 3:
$creatorSummary = $creators[$loc[0]]['ref']->lastName . $etAl;
break;
}
break;
}
if ($this->cacheEnabled && $cacheKey) {
Z_Core::$MC->set($cacheKey, $creatorSummary);
}
$this->creatorSummary = $creatorSummary;
return $creatorSummary;
}
private function getPublications() {
if ($this->inPublications !== null) {
return $this->inPublications;
}
if (!$this->__get('id')) {
return false;
}
if (!is_numeric($this->id)) {
throw new Exception("Invalid itemID");
}
if ($this->cacheEnabled) {
$cacheVersion = 2;
$cacheKey = $this->getCacheKey("itemInPublications", $cacheVersion);
$inPublications = Z_Core::$MC->get($cacheKey);
}
else {
$inPublications = false;
}
if ($inPublications === false) {
// Only user items can be in My Publications
$libraryType = Zotero_Libraries::getType($this->libraryID);
if ($libraryType != 'user') {
$inPublications = false;
}
else {
$sql = "SELECT COUNT(*) FROM publicationsItems WHERE itemID=?";
$stmt = Zotero_DB::getStatement($sql, true, Zotero_Shards::getByLibraryID($this->libraryID));
$inPublications = !!Zotero_DB::valueQueryFromStatement($stmt, $this->id);
}
// Memcache returns false for empty keys, so use integer
if ($this->cacheEnabled) {
Z_Core::$MC->set($cacheKey, $inPublications ? 1 : 0);
}
}
return $this->inPublications = $inPublications;
}
private function setPublications($val) {
$inPublications = !!$val;
if ($this->getPublications() == $inPublications) {
Z_Core::debug("Publications state ($inPublications) hasn't changed for item $this->id");
return;
}
if (empty($this->changed['inPublications'])) {