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 $this->getNoteTitle();
default:
return '';
}
}
if ($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 $this->id of type {$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 (!$unformatted) {
// Multipart date fields
if (Zotero_ItemFields::isFieldOfBase($fieldID, 'date')) {
$value = Zotero_Date::multipartToStr($value);
}
}
//Z_Core::debug("Returning '$value' for field $field", 4);
return $value;
}
