/**
*
* exporting attachment files related to item.
*
* @param string $export_path storing directory name
* @param resource $fhdl file handle that items are exported to.
* @param int $item_id id of item with attachment files to export.
* @return array( 'path' => $export_path,
* 'attachments' => array( file path of attachment1, file path of attachment2, ... ) )
* (relative path of $export_filepath)
* returns false if it failed
*/
function xnpExportFile($export_path, $fhdl, $item_id)
{
$file = xnpGetFileInfo('t_file.file_id, t_file_type.name, t_file.original_file_name, t_file.file_size, t_file.mime_type, t_file.thumbnail_file, t_file.caption', "item_id = {$item_id} and is_deleted=0", $item_id);
if (!$fhdl) {
return false;
}
// create files directory under $export_path.
$dir = $export_path . '/files';
if (!file_exists($dir)) {
if (!mkdir($dir)) {
xoonips_error("can't make directory '{$dir}'");
return false;
}
}
// for absolete path of attachment file
$files = array();
foreach ($file as $f) {
$file = array();
list($file['file_id'], $file['file_type_name'], $file['original_file_name'], $file['file_size'], $file['mime_type'], $file['thumbnail_file'], $file['caption']) = $f;
// copy atatchment file $file['file_id'] to $dir and renamed to original file name
// output <file> to file handle $fhdl
$hdl = fopen(xnpGetUploadFilePath($file['file_id']), 'rb');
if (file_exists(xnpGetUploadFilePath($file['file_id']))) {
if (!copy(xnpGetUploadFilePath($file['file_id']), $dir . '/' . $file['file_id'])) {
xoonips_error('can\'t write a file \'' . $dir . '/' . $file['file_id'] . "' of the item(ID={$item_id})");
return false;
}
if (!fwrite($fhdl, '<file' . " item_id=\"{$item_id}\"" . " file_type_name=\"{$file['file_type_name']}\"" . " original_file_name=\"{$file['original_file_name']}\"" . " file_name=\"files/{$file['file_id']}\"" . " file_size=\"{$file['file_size']}\"" . " mime_type=\"{$file['mime_type']}\"" . ">\n" . (isset($file['thumbnail_file']) ? '<thumbnail>' . base64_encode($file['thumbnail_file']) . "</thumbnail>\n" : '') . '<caption>' . $file['caption'] . "</caption>\n" . "</file>\n")) {
fclose($hdl);
xoonips_error("can't export <file> of the item(ID={$item_id})");
return false;
}
$files[] = "files/{$file['file_id']}";
}
}
return true;
}
/**
*
* @param op 'quicksearch' 'advancedsearch' 'itemsubtypesearch' 'itemtypesearch'
* @param keyword search keyword
* @param search_itemtype how to search ('all', 'basic' or name of itemtype (ex.xnppaper) )
* @param private_flag true if search private indexes.
* @param msg reference to variables that receive error message
* @param iids reference to array that receive item id that match query condition
* @param search_cache_id search cache id(in/out)
* @param search_tab 'item'/'metadata'/'file' (it regards illegal value as 'item')
* @param file_or_item_metadata 'file'=search_text table only, 'item_metadata'=other than search_text table, 'all'=all. effective only if op==quicksearch && search_itemtype!=basic
* @return true search succeed.
* @return false search failed. make sure $msg for detail.
* this function needs $xoopsDB, $xoopsUser, $_SESSION.
*
*/
function xnpSearchExec($op, $keyword, $search_itemtype, $private_flag, &$msg, &$iids, &$search_var, &$search_cache_id, $search_tab, $file_or_item_metadata = 'all')
{
global $xoopsDB, $xoopsUser;
$xnpsid = $_SESSION['XNPSID'];
if (!xnp_is_valid_session_id($xnpsid)) {
// guest access is forbidden
return array();
} else {
if ($xoopsUser) {
// identified user
$uid = $xoopsUser->getVar('uid');
} else {
// guest access is permitted
$uid = 0;
}
}
$cache_table = $xoopsDB->prefix('xoonips_search_cache');
$cache_item_table = $xoopsDB->prefix('xoonips_search_cache_item');
$cache_file_table = $xoopsDB->prefix('xoonips_search_cache_file');
$cache_meta_table = $xoopsDB->prefix('xoonips_search_cache_metadata');
$meta_table = $xoopsDB->prefix('xoonips_oaipmh_metadata');
$repo_table = $xoopsDB->prefix('xoonips_oaipmh_repositories');
$basic_table = $xoopsDB->prefix('xoonips_item_basic');
$title_table = $xoopsDB->prefix('xoonips_item_title');
$keyword_table = $xoopsDB->prefix('xoonips_item_keyword');
$file_table = $xoopsDB->prefix('xoonips_file');
$xlink_table = $xoopsDB->prefix('xoonips_index_item_link');
$index_table = $xoopsDB->prefix('xoonips_index');
$glink_table = $xoopsDB->prefix('xoonips_groups_users_link');
$search_text_table = $xoopsDB->prefix('xoonips_search_text');
$user_table = $xoopsDB->prefix('users');
$event_log_table = $xoopsDB->prefix('xoonips_event_log');
// search_cache_idがあるなら、search_cacheから取得.
if ($search_cache_id) {
$search_cache_id = (int) $search_cache_id;
$sql = "select unix_timestamp(timestamp) from {$cache_table} where search_cache_id={$search_cache_id} and sess_id='" . session_id() . "'";
$result = $xoopsDB->query($sql);
if ($xoopsDB->getRowsNum($result) == 0) {
//todo: session timeoutのためにsearch_cacheから消されたのかもしれない(普通は起こらないのだが)。どのようなメッセージを出すべきか?
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
// bad search_cache_id
}
list($timestamp) = $xoopsDB->fetchRow($result);
$event_type_ids = array(ETID_INSERT_ITEM, ETID_UPDATE_ITEM, ETID_DELETE_ITEM, ETID_DELETE_GROUP, ETID_INSERT_GROUP_MEMBER, ETID_DELETE_GROUP_MEMBER, ETID_DELETE_INDEX, ETID_CERTIFY_ITEM, ETID_REJECT_ITEM, ETID_TRANSFER_ITEM);
$sql = "select count(*) from {$event_log_table} where event_type_id in (" . implode(',', $event_type_ids) . ") and timestamp >= {$timestamp}";
$result = $xoopsDB->query($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
list($count) = $xoopsDB->fetchRow($result);
if ($count == 0) {
if ($search_tab == 'metadata') {
$sql = "select identifier from {$cache_meta_table} where search_cache_id={$search_cache_id}";
} else {
if ($search_tab == 'file') {
$sql = "select tf.item_id from {$cache_file_table} as tcf\n left join {$file_table} as tf on tcf.file_id = tf.file_id\n left join {$basic_table} as tb on tb.item_id = tf.item_id\n left join {$search_text_table} as tst on tf.file_id=tst.file_id\n where search_cache_id={$search_cache_id} and tb.item_id is not null and tf.file_id is not null and tf.is_deleted=0";
} else {
$sql = "select tci.item_id from {$cache_item_table} as tci\n left join {$basic_table} as tb on tb.item_id = tci.item_id\n where search_cache_id={$search_cache_id} and tb.item_id is not null";
}
}
$result = $xoopsDB->query($sql);
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
return true;
}
}
$cachable = $op == 'quicksearch' || $op == 'advancedsearch' || $op == 'itemtypesearch' || $op == 'itemsubtypesearch';
$search_cache_id = 0;
if ($cachable) {
// search_cache_idを発行する
$sql = "insert into {$cache_table} ( sess_id ) values ( '" . session_id() . "' )";
$result = $xoopsDB->queryF($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
$search_cache_id = $xoopsDB->getInsertId();
}
$itemtypes = array();
$itemtype_names = array();
$tmp = array();
if (($res = xnp_get_item_types($tmp)) != RES_OK) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
} else {
foreach ($tmp as $i) {
$itemtypes[$i['item_type_id']] = $i;
$itemtype_names[$i['name']] = $i;
}
}
$join1 = " left join {$xlink_table} on {$xlink_table}.item_id = {$basic_table}.item_id " . " left join {$index_table} on {$index_table}.index_id = {$xlink_table}.index_id " . " left join {$glink_table} on {$glink_table}.gid = {$index_table}.gid " . " left join {$user_table} on {$user_table}.uid = {$basic_table}.uid ";
$iids = array();
if ($private_flag) {
// operation to add item into index. search for only the user's item.
$privilege = "( {$index_table}.open_level = " . OL_PRIVATE . " and {$index_table}.uid={$uid} )";
} else {
// search for readable items.
$xmember_handler =& xoonips_gethandler('xoonips', 'member');
if ($xmember_handler->isAdmin($uid) || xnp_is_moderator($xnpsid, $uid)) {
$privilege = " 1 ";
} else {
$privilege = " ({$index_table}.open_level = " . OL_PUBLIC . " or \n" . " {$index_table}.open_level = " . OL_PRIVATE . " and {$index_table}.uid={$uid} or \n" . " {$index_table}.open_level = " . OL_GROUP_ONLY . " and {$glink_table}.uid={$uid} ) \n";
}
}
if ($op == 'advancedsearch' || $op == 'itemsubtypesearch') {
// advanced では、結果をタブ表示しない。$search_tab を無視する。
// advanced では、fileがヒットした場合でも search_cache_fileではなくsearch_cache_itemのほうに書く
$formdata =& xoonips_getutility('formdata');
foreach ($itemtypes as $itemtype_id => $itemtype) {
$wheres = array(' 0 ');
$module_name = $itemtype['name'];
if ($formdata->getValue('post', $module_name, 'n', false)) {
include_once XOOPS_ROOT_PATH . '/modules/' . $itemtype['viewphp'];
$f = $module_name . 'GetAdvancedSearchQuery';
$table = $xoopsDB->prefix("{$module_name}_item_detail");
$key_name = "{$table}." . substr($module_name, 3) . '_id';
// xnppaper -> paper_id
$where = "";
$join = "";
$f($where, $join);
// require retrieve additional query string to item type module
if ($where != "") {
$sql = "select {$basic_table}.item_id, {$search_cache_id} from {$basic_table} " . $join1 . " left join {$file_table} on {$file_table}.item_id = {$basic_table}.item_id " . " left join {$title_table} on {$title_table}.item_id = {$basic_table}.item_id " . " left join {$keyword_table} on {$keyword_table}.item_id = {$basic_table}.item_id " . " left join {$table} on {$key_name} = {$basic_table}.item_id " . " left join {$search_text_table} on {$search_text_table}.file_id = {$file_table}.file_id " . $join . " where {$key_name} is not NULL and ( {$where} ) and {$privilege} \n" . " group by {$basic_table}.item_id \n";
if ($cachable) {
// write to cache at once
$result = $xoopsDB->queryF("insert ignore into {$cache_item_table} ( item_id, search_cache_id ) " . $sql);
$sql = "select item_id from {$cache_item_table} where search_cache_id = {$search_cache_id}";
}
$result = $xoopsDB->query($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
xoonips_error($xoopsDB->error() . " at " . __LINE__ . " in " . __FILE__);
return false;
}
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
}
}
}
} else {
if ($op == 'itemtypesearch') {
// top画面から。$search_itemtypeに一致するアイテムを列挙
$itemtype_id = $itemtype_names[$search_itemtype]['item_type_id'];
$sql = "select {$basic_table}.item_id, {$search_cache_id} from {$basic_table} \n" . $join1 . " where {$privilege} and {$basic_table}.item_type_id={$itemtype_id} \n" . " group by {$basic_table}.item_id ";
// inserting results to cache
$result = $xoopsDB->queryF("insert ignore into {$cache_item_table} ( item_id, search_cache_id ) " . $sql);
$sql = "select item_id from {$cache_item_table} where search_cache_id = {$search_cache_id}";
$result = $xoopsDB->query($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
} else {
if ($op == 'quicksearch' && trim($keyword) != '') {
$search_var[] = 'keyword';
$search_var[] = 'search_itemtype';
list($elements, $keywords, $errorMessage) = xnpSplitKeywords2($keyword);
$keywordsLen = count($keywords);
if ($errorMessage) {
$msg = $errorMessage;
return false;
}
if ($search_itemtype == 'basic') {
// search titles and keywords
$wheres_title_keyword = xnpGetKeywordsQueries(array($title_table . '.title', $keyword_table . '.keyword'), $keywords);
$where = " {$basic_table}.item_type_id != " . ITID_INDEX . " and " . xnpUnsplitKeywords2($elements, $wheres_title_keyword);
$sql = "select {$basic_table}.item_id, {$search_cache_id} from {$basic_table} \n" . $join1 . " left join {$title_table} on {$basic_table}.item_id = {$title_table}.item_id " . " left join {$keyword_table} on {$basic_table}.item_id = {$keyword_table}.item_id " . " where {$where} and {$privilege} \n" . " group by {$basic_table}.item_id \n";
// inserting results to cache
$result = $xoopsDB->queryF("insert ignore into {$cache_item_table} ( item_id, search_cache_id ) " . $sql);
$sql = "select item_id from {$cache_item_table} where search_cache_id = {$search_cache_id}";
$result = $xoopsDB->query($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
}
if ($search_itemtype == 'metadata' || $search_itemtype == 'all') {
// if 'metadata' then set result of search to cache and $iids
// if 'all' then write to cache
$searchutil =& xoonips_getutility('search');
$encoding = mb_detect_encoding($keyword);
$fulltext_criteria =& $searchutil->getFulltextSearchCriteria('search_text', $keyword, $encoding);
$sql = "select identifier, {$search_cache_id}\n from {$meta_table} as data, {$repo_table} as repo\n where repo.enabled=1 AND repo.deleted!=1 AND repo.repository_id=data.repository_id\n AND " . $fulltext_criteria->render() . " order by identifier, data.repository_id";
// inserting results to cache
$result = $xoopsDB->queryF("insert into {$cache_meta_table} ( identifier, search_cache_id ) " . $sql);
$sql = "select item_id from {$cache_item_table} where search_cache_id = {$search_cache_id}";
$result = $xoopsDB->query($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
}
if (isset($itemtype_names[$search_itemtype]) || $search_itemtype == 'all') {
/* where_condition[item_type] = "item_type_id=$itemtype_id and " ( query that combines 'wheres2' and 'and or ( )' ).
wheres2[keyword] = ( where_basic[keyword] or where_detail[keyword] )
*/
// search_itemtype == (itemtype)の場合もファイル内部を検索する必要がある．
// ここでファイル検索を行って、結果を xoonips_search_cache_file に書く
$wheres_basic = xnpGetKeywordsQueries(array($title_table . '.title', $keyword_table . '.keyword', $basic_table . '.description', $basic_table . '.doi', $user_table . '.uname', $user_table . '.name'), $keywords);
foreach ($itemtypes as $itemtype_id => $itemtype) {
if ($itemtype['item_type_id'] == ITID_INDEX) {
continue;
}
$module_name = $itemtype['name'];
//echo "$search_itemtype / $module_name <br />\n";
if ($search_itemtype == $module_name || $search_itemtype == 'all') {
$itemtype_id = $itemtype['item_type_id'];
if ($file_or_item_metadata == 'all' || $file_or_item_metadata == 'item_metadata') {
include_once XOOPS_ROOT_PATH . '/modules/' . $itemtype['viewphp'];
$f = $module_name . 'GetDetailInformationQuickSearchQuery';
if (!function_exists($f)) {
continue;
}
$table = $xoopsDB->prefix("{$module_name}_item_detail");
$wheres_detail = array();
$f($wheres_detail, $join, $keywords);
$wheres2 = array();
for ($i = 0; $i < $keywordsLen; $i++) {
// search by item_id
$where3 = sprintf(' OR `%s`.`item_id`=%s', $basic_table, $xoopsDB->quoteString($keywords[$i]));
if (empty($wheres_detail[$i])) {
$wheres_detail[$i] = '0';
}
$wheres2[] = $wheres_basic[$i] . ' or ' . $wheres_detail[$i] . $where3;
}
$where = " {$basic_table}.item_type_id={$itemtype_id} and " . xnpUnsplitKeywords2($elements, $wheres2);
$key_name = "{$table}." . substr($module_name, 3) . '_id';
// xnppaper -> paper_id
$sql = "select {$basic_table}.item_id, {$search_cache_id} from {$basic_table} " . $join1 . " left join {$file_table} on {$file_table}.item_id = {$basic_table}.item_id " . " left join {$title_table} on {$basic_table}.item_id = {$title_table}.item_id " . " left join {$keyword_table} on {$basic_table}.item_id = {$keyword_table}.item_id " . " left join {$table} on {$key_name} = {$basic_table}.item_id " . $join . " where {$where} and {$privilege} \n" . " group by {$basic_table}.item_id \n";
$result = $xoopsDB->queryF("insert ignore into {$cache_item_table} ( item_id, search_cache_id ) " . $sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
}
if ($file_or_item_metadata == 'all' || $file_or_item_metadata == 'file') {
$searchutil =& xoonips_getutility('search');
$encoding = mb_detect_encoding($keyword);
$fulltext_criteria =& $searchutil->getFulltextSearchCriteria('search_text', $keyword, $encoding);
// search inside files
$sql = "insert ignore into {$cache_file_table} ( file_id, search_cache_id )\n select {$file_table}.file_id, {$search_cache_id} from {$file_table}\n left join {$basic_table} on {$file_table}.item_id={$basic_table}.item_id\n left join {$search_text_table} on {$file_table}.file_id = {$search_text_table}.file_id\n where item_type_id={$itemtype_id} and " . $fulltext_criteria->render() . " and {$file_table}.is_deleted=0";
// write to cache at once
$result = $xoopsDB->queryF($sql);
if ($result == false) {
$msg = _MD_XOONIPS_ITEM_SEARCH_ERROR;
return false;
}
}
}
}
switch ($search_tab) {
case 'metadata':
$result = $xoopsDB->query("select item_id from {$cache_meta_table} where search_cache_id={$search_cache_id}");
break;
case 'file':
$result = $xoopsDB->query("select item_id from {$cache_file_table} where search_cache_id={$search_cache_id}");
break;
case 'item':
default:
$result = $xoopsDB->query("select item_id from {$cache_item_table} where search_cache_id={$search_cache_id}");
break;
}
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
}
}
}
}
return true;
}
