// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
// ------------------------------------------------------------------------- //
// advanced search(standard)
session_cache_limiter('none');
session_cache_expire(5);
$xoopsOption['pagetype'] = 'user';
include 'include/common.inc.php';
include 'include/lib.php';
include 'include/AL.php';
$xnpsid = $_SESSION['XNPSID'];
// If not a user, redirect
if ($xnpsid != 0) {
if (!$xoopsUser) {
redirect_header('user.php', 3, _MD_XOONIPS_ITEM_FORBIDDEN);
exit;
}
$uid = $_SESSION['xoopsUserId'];
} else {
if (!xnp_is_valid_session_id($xnpsid)) {
// Uncertified user can't access(except XOOPS administrator).
redirect_header(XOOPS_URL . '/', 3, _MD_XOONIPS_ITEM_FORBIDDEN);
exit;
}
$uid = 0;
}
$xoopsOption['template_main'] = 'xoonips_advanced_search.html';
include XOOPS_ROOT_PATH . '/header.php';
include 'include/advanced_search.inc.php';
include XOOPS_ROOT_PATH . '/footer.php';
/**
* get an array of item id(s) that is in a binder
*
* @param sess_id string session id
* @param binder_id integer binder id
* @param cri
* @param iids array of item ids that is in a binder.
* @return RES_OK
* @return RES_DB_NOT_INITIALIZED
* @return RES_NO_SUCH_SESSION
* @return RES_DB_QUERY_ERROR
* @return RES_ERROR
*
*/
function xnp_get_item_id_by_binder_id($sess_id, $binder_id, $cri, &$iids)
{
$binder_id = (int) $binder_id;
$iids = array();
global $xoopsDB;
if (!xnp_is_valid_session_id($sess_id)) {
return RES_NO_SUCH_SESSION;
}
$sql = 'SELECT t1.item_id FROM ' . $xoopsDB->prefix('xoonips_item_basic') . ' as t1, ' . $xoopsDB->prefix('xnpbinder_binder_item_link') . ' as t2, ' . $xoopsDB->prefix('xoonips_item_title') . ' as t3 ';
$sql .= ' WHERE t1.item_id = t2.item_id';
$sql .= " AND t2.binder_id={$binder_id}";
$sql .= ' AND t3.title_id=' . DEFAULT_ORDER_TITLE_OFFSET . ' AND t3.item_id=t1.item_id';
$sql .= xnp_criteria2str($cri);
$result = $xoopsDB->query($sql);
if (!$result) {
return RES_DB_QUERY_ERROR;
}
while (list($iid) = $xoopsDB->fetchRow($result)) {
$iids[] = $iid;
}
return RES_OK;
}
/**
*
* アイテム情報取得.
*
* @param sid セッションID
* @param iids 取得したいアイテムのIDの配列
* @param criteria 結果の範囲指定，ソート条件指定
* @param items 検索結果のを書き込む配列
* @return RES_OK
* @return RES_DB_NOT_INITIALIZED
* @return RES_NO_SUCH_SESSION
* @return RES_DB_QUERY_ERROR
*
*/
function xnp_get_items($sess_id, $iids, $criteria, &$items)
{
global $xoopsDB;
$items = array();
if (!xnp_is_valid_session_id($sess_id)) {
return RES_NO_SUCH_SESSION;
}
$ret = _xnpal_sessionID2UID($sess_id, $uid);
if ($ret != RES_OK) {
return $ret;
}
$items = array();
if (!isset($iids) || count($iids) == 0) {
return RES_OK;
}
$sql = "SELECT DISTINCT ti.item_id as item_id, item_type_id, tt.title as title, description, doi, ti.uid as uid, creation_date, last_update_date, publication_year, publication_month, publication_mday, lang ";
$sql .= " FROM ";
$sql .= $xoopsDB->prefix("xoonips_index_item_link") . " AS tlink";
$sql .= " LEFT JOIN " . $xoopsDB->prefix("xoonips_index") . " AS tx ON tlink.index_id = tx.index_id";
$sql .= " LEFT JOIN " . $xoopsDB->prefix("xoonips_item_basic") . " AS ti ON tlink.item_id = ti.item_id";
$sql .= " LEFT JOIN " . $xoopsDB->prefix("xoonips_item_title") . " AS tt ON tt.item_id=ti.item_id";
$sql .= " LEFT JOIN " . $xoopsDB->prefix("xoonips_groups_users_link") . " as tgulink ON tx.gid=tgulink.gid";
$sql .= " WHERE tlink.item_id IN ( " . _xnpal_getCsvStr($iids) . " )";
$sql .= " AND title_id=" . DEFAULT_ORDER_TITLE_OFFSET;
$sql .= xnp_criteria2str($criteria);
$result = $xoopsDB->query($sql);
if (!$result) {
_xnpal_setLastErrorString("error in xnp_get_items " . $xoopsDB->error());
return RES_DB_QUERY_ERROR;
}
$items_buf = array();
$ordered_ids = array();
//array of sorted item_id(s) to sort $items_buf in the end of this function
$item_compo_handler =& xoonips_getormcompohandler('xoonips', 'item');
while ($row = $xoopsDB->fetchArray($result)) {
if (!$item_compo_handler->getPerm($row['item_id'], $uid, 'read')) {
continue;
}
$items_buf[$row['item_id']] = $row;
$items_buf[$row['item_id']]['titles'] = array();
$items_buf[$row['item_id']]['keywords'] = array();
$ordered_ids[] = $row['item_id'];
}
//get titles of selected item
if (count($items_buf) > 0) {
$sql = "SELECT item_id, title FROM " . $xoopsDB->prefix("xoonips_item_title") . " WHERE item_id IN ( " . implode(",", array_keys($items_buf)) . " ) ORDER BY item_id ASC, title_id ASC";
$result = $xoopsDB->query($sql);
if (!$result) {
_xnpal_setLastErrorString("error in xnp_get_items " . $xoopsDB->error() . " sql={$sql}" . " at " . __LINE__ . " in " . __FILE__ . "\n" . xnp_get_last_error_string());
return RES_DB_QUERY_ERROR;
}
while ($row = $xoopsDB->fetchArray($result)) {
$items_buf[$row['item_id']]['titles'][] = $row['title'];
}
//get keywords of selected item
$sql = "SELECT item_id, keyword FROM " . $xoopsDB->prefix("xoonips_item_keyword") . " WHERE item_id IN ( " . implode(",", array_keys($items_buf)) . " ) ORDER BY item_id ASC, keyword_id ASC";
$result = $xoopsDB->query($sql);
if (!$result) {
_xnpal_setLastErrorString("error in xnp_get_items " . $xoopsDB->error() . " sql={$sql}" . " at " . __LINE__ . " in " . __FILE__ . "\n" . xnp_get_last_error_string());
return RES_DB_QUERY_ERROR;
}
while ($row = $xoopsDB->fetchArray($result)) {
$items_buf[$row['item_id']]['keywords'][] = $row['keyword'];
}
}
// convert the associative array(index_buf) to the array(indexes) (keep order specified by criteriaString)
foreach ($ordered_ids as $id) {
$items[] = $items_buf[$id];
}
_xnpal_setLastErrorString("");
return RES_OK;
}
/**
*
* @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;
}
