/**
* Support method to rearrange the holdings array for displaying convenience.
*
* @param array $holdings An associative array of location => item array
*
* @return array An associative array keyed by location with each
* entry being an array with 'notes', 'summary' and 'items' keys. The 'notes'
* and 'summary' arrays are note/summary information collected from within the
* items.
*/
protected function formatHoldings($holdings)
{
$retVal = [];
// Handle purchase history alongside other textual fields
$textFieldNames = $this->catalog->getHoldingsTextFieldNames();
$textFieldNames[] = 'purchase_history';
foreach ($holdings as $groupKey => $items) {
$retVal[$groupKey] = ['items' => $items, 'location' => isset($items[0]['location']) ? $items[0]['location'] : '', 'locationhref' => isset($items[0]['locationhref']) ? $items[0]['locationhref'] : ''];
// Copy all text fields from the item to the holdings level
foreach ($items as $item) {
foreach ($textFieldNames as $fieldName) {
if (!empty($item[$fieldName])) {
$fields = is_array($item[$fieldName]) ? $item[$fieldName] : [$item[$fieldName]];
foreach ($fields as $field) {
if (empty($retVal[$groupKey][$fieldName]) || !in_array($field, $retVal[$groupKey][$fieldName])) {
$retVal[$groupKey][$fieldName][] = $field;
}
}
}
}
}
}
return $retVal;
}
/**
* Support method to rearrange the holdings array for displaying convenience.
*
* @param array $holdings An associative array of location => item array
*
* @return array An associative array keyed by location with each
* entry being an array with 'notes', 'summary' and 'items' keys. The 'notes'
* and 'summary' arrays are note/summary information collected from within the
* items.
*/
protected function formatHoldings($holdings)
{
$retVal = [];
// Handle purchase history alongside other textual fields
$textFieldNames = $this->catalog->getHoldingsTextFieldNames();
$textFieldNames[] = 'purchase_history';
foreach ($holdings as $groupKey => $items) {
$retVal[$groupKey] = ['items' => $items, 'location' => isset($items[0]['location']) ? $items[0]['location'] : '', 'locationhref' => isset($items[0]['locationhref']) ? $items[0]['locationhref'] : ''];
// Copy all text fields from the item to the holdings level
foreach ($items as $item) {
foreach ($textFieldNames as $fieldName) {
if (in_array($fieldName, ['notes', 'holdings_notes'])) {
if (empty($item[$fieldName])) {
// begin aliasing
if ($fieldName == 'notes' && !empty($item['holdings_notes'])) {
// using notes as alias for holdings_notes
$item[$fieldName] = $item['holdings_notes'];
} elseif ($fieldName == 'holdings_notes' && !empty($item['notes'])) {
// using holdings_notes as alias for notes
$item[$fieldName] = $item['notes'];
}
}
}
if (!empty($item[$fieldName])) {
$targetRef =& $retVal[$groupKey]['textfields'][$fieldName];
foreach ((array) $item[$fieldName] as $field) {
if (empty($targetRef) || !in_array($field, $targetRef)) {
$targetRef[] = $field;
}
}
}
}
}
}
return $retVal;
}
