/**
* Perform mapping of extracted media metadata to CollectiveAccess bundles.
*
* @param BundlableLabelableBaseModelWithAttributes $po_instance Model instance to insert extracted metadata into
* @param array $pa_metadata Extracted metadata
* @param int $pn_locale_id The current locale as a numeric locale_id
* @return bool True extracted metadata was mapped and the model changed, false if no change was made to the model
*/
function caExtractEmbeddedMetadata($po_instance, $pa_metadata, $pn_locale_id)
{
if (!is_array($pa_metadata)) {
return false;
}
$vb_did_mapping = false;
if (!($vs_media_metadata_config = $po_instance->getAppConfig()->get('media_metadata'))) {
return false;
}
$o_metadata_config = Configuration::load($vs_media_metadata_config);
$va_mappings = $o_metadata_config->getAssoc('import_mappings');
$vs_tablename = $po_instance->tableName();
// set extracted georef?
$va_georef_elements = $o_metadata_config->getList('extract_embedded_exif_georeferencing_to');
$va_georef_containers = $o_metadata_config->getAssoc('extract_embedded_exif_georeferencing_to_container');
$va_date_elements = $o_metadata_config->getList('extract_embedded_exif_creation_date_to');
$va_date_containers = $o_metadata_config->getAssoc('extract_embedded_exif_creation_date_to_container');
if (isset($pa_metadata['EXIF']) && is_array($pa_metadata['EXIF']) && (is_array($va_georef_elements) && sizeof($va_georef_elements) || is_array($va_georef_containers) && sizeof($va_georef_containers) || is_array($va_date_elements) && sizeof($va_date_elements) || is_array($va_date_containers) && sizeof($va_date_containers))) {
$va_exif_data = $pa_metadata['EXIF'];
if (is_array($va_georef_elements)) {
if (is_array($va_coords = caParseEXIFLatLong($va_exif_data))) {
foreach ($va_georef_elements as $vs_element) {
$va_tmp = explode('.', $vs_element);
$po_instance->addAttribute(array($va_tmp[1] => "[" . $va_coords['latitude'] . ", " . $va_coords['longitude'] . "]", 'locale_id' => $pn_locale_id), $va_tmp[1]);
}
$vb_did_mapping = true;
}
}
if (is_array($va_georef_containers)) {
if (is_array($va_coords = caParseEXIFLatLong($va_exif_data))) {
foreach ($va_georef_containers as $vs_container => $va_info) {
$va_tmp = explode('.', $vs_container);
$vs_value_element = array_pop(explode('.', $va_info['value']));
$va_data = array($vs_value_element => "[" . $va_coords['latitude'] . ", " . $va_coords['longitude'] . "]", 'locale_id' => $pn_locale_id);
if (isset($va_info['map']) && is_array($va_info['map'])) {
foreach ($va_info['map'] as $vs_sub_element => $vs_value) {
$va_tmp2 = explode('.', $vs_sub_element);
$vs_sub_element = array_pop($va_tmp2);
if ($t_element = $po_instance->_getElementInstance($vs_sub_element)) {
switch ($t_element->get('datatype')) {
case 3:
// List
$t_list = new ca_lists();
$va_data[$vs_sub_element] = $t_list->getItemIDFromList($t_element->get('list_id'), $vs_value);
break;
default:
$va_data[$vs_sub_element] = $vs_value;
break;
}
}
}
}
$po_instance->addAttribute($va_data, $va_tmp[1]);
}
$vb_did_mapping = true;
}
}
if (is_array($va_date_elements)) {
if (($vs_raw_date = $va_exif_data['IFD0']['DateTimeOriginal']) || ($vs_raw_date = $va_exif_data['EXIF']['DateTimeOriginal']) || ($vs_raw_date = $va_exif_data['ExifIFD']['DateTimeOriginal'])) {
$va_date_tmp = preg_split('![: ]+!', $vs_raw_date);
$vs_date = $va_date_tmp[0] . '-' . $va_date_tmp[1] . '-' . $va_date_tmp[2] . 'T' . $va_date_tmp[3] . ':' . $va_date_tmp[4] . ':' . $va_date_tmp[5];
foreach ($va_date_elements as $vs_element) {
$va_tmp = explode('.', $vs_element);
if (strlen($po_instance->get($vs_element)) > 0) {
$po_instance->addAttribute(array($va_tmp[1] => $vs_date, 'locale_id' => $pn_locale_id), $va_tmp[1]);
} else {
$po_instance->replaceAttribute(array($va_tmp[1] => $vs_date, 'locale_id' => $pn_locale_id), $va_tmp[1]);
}
}
$vb_did_mapping = true;
}
}
if (is_array($va_date_containers)) {
$t_list = new ca_lists();
if (($vs_raw_date = $va_exif_data['IFD0']['DateTimeOriginal']) || ($vs_raw_date = $va_exif_data['EXIF']['DateTimeOriginal']) || ($vs_raw_date = $va_exif_data['ExifIFD']['DateTimeOriginal'])) {
$va_date_tmp = preg_split('![: ]+!', $vs_raw_date);
$vs_date = $va_date_tmp[0] . '-' . $va_date_tmp[1] . '-' . $va_date_tmp[2] . 'T' . $va_date_tmp[3] . ':' . $va_date_tmp[4] . ':' . $va_date_tmp[5];
foreach ($va_date_containers as $vs_container => $va_info) {
$va_tmp = explode('.', $vs_container);
$vs_value_element = array_pop(explode('.', $va_info['value']));
$va_data = array($vs_value_element => $vs_date, 'locale_id' => $pn_locale_id);
if (isset($va_info['map']) && is_array($va_info['map'])) {
foreach ($va_info['map'] as $vs_sub_element => $vs_value) {
$va_tmp2 = explode('.', $vs_sub_element);
$vs_sub_element = array_pop($va_tmp2);
if ($t_element = $po_instance->_getElementInstance($vs_sub_element)) {
switch ($t_element->get('datatype')) {
case 3:
// List
$va_data[$vs_sub_element] = $t_list->getItemIDFromList($t_element->get('list_id'), $vs_value);
break;
default:
$va_data[$vs_sub_element] = $vs_value;
break;
}
}
}
}
$po_instance->addAttribute($va_data, $va_tmp[1]);
}
$vb_did_mapping = true;
}
}
}
if (!isset($va_mappings[$po_instance->tableName()])) {
return $vb_did_mapping;
}
$va_mapping = $va_mappings[$vs_tablename];
$vs_type = $po_instance->getTypeCode();
if (isset($va_mapping[$vs_type]) && is_array($va_mapping[$vs_type])) {
$va_mapping = $va_mapping[$vs_type];
} else {
if (isset($va_mapping['__default__']) && is_array($va_mapping['__default__'])) {
$va_mapping = $va_mapping['__default__'];
} else {
return $vb_did_mapping;
}
}
foreach ($va_mapping as $vs_metadata => $va_attr) {
$va_tmp = explode(":", $vs_metadata);
$vs_delimiter = caGetOption('delimiter', $va_attr, false);
foreach ($va_attr as $vs_attr) {
if ($vs_attr == 'delimiter') {
continue;
}
$va_metadata =& $pa_metadata;
foreach ($va_tmp as $vs_el) {
if (isset($va_metadata[$vs_el])) {
$va_metadata =& $va_metadata[$vs_el];
} else {
continue 2;
}
}
if (is_array($va_metadata)) {
$va_metadata = join(";", $va_metadata);
}
if (!is_int($va_metadata)) {
// pass ints through for values like WhiteBalance = 0
if (!trim($va_metadata)) {
continue 2;
}
}
if (!caSeemsUTF8($va_metadata)) {
$va_metadata = caEncodeUTF8Deep($va_metadata);
}
$va_tmp2 = explode(".", $vs_attr);
switch ($va_tmp2[0]) {
case 'preferred_labels':
$po_instance->replaceLabel(array($va_tmp2[1] => $va_metadata), $pn_locale_id, null, true);
break;
case 'nonpreferred_labels':
$po_instance->replaceLabel(array($va_tmp2[1] => $va_metadata), $pn_locale_id, null, false);
break;
default:
if ($po_instance->hasField($vs_attr)) {
$po_instance->set($vs_attr, $va_metadata);
} else {
// try as attribute
if (sizeof($va_tmp2) == 2) {
// format ca_objects.foo, we only want "foo"
if ($vs_delimiter) {
$va_m = explode($vs_delimiter, $va_metadata);
$po_instance->removeAttributes($va_tmp2[1]);
foreach ($va_m as $vs_m) {
$po_instance->addAttribute(array($va_tmp2[1] => trim($vs_m), 'locale_id' => $pn_locale_id), $va_tmp2[1]);
}
} else {
$po_instance->replaceAttribute(array($va_tmp2[1] => $va_metadata, 'locale_id' => $pn_locale_id), $va_tmp2[1]);
}
}
}
}
$vb_did_mapping = true;
}
}
return $vb_did_mapping;
}