#1878 searchMetadata generalized to multifield orderby

campcaster/src/modules/storageServer/var/BasicStor.php

@@ -1023,10 +1023,14 @@ class BasicStor extends Alib {
      *       "conditions" field)
      *     </li>
      *     <li>orderby : string - metadata category for sorting (optional)
-     *         default sorting by dc:title (+ primary sorting by filetype -
+     *          or array of strings for multicolumn orderby
-     *         audioclips, playlists, webstreams ...)
+     *          [default: dc:creator, dc:source, dc:title]
+     *     </li>
+     *     <li>desc : boolean - flag for descending order (optional)
+     *          or array of boolean for multicolumn orderby
+     *          (it corresponds to elements of orderby field)
+     *          [default: all ascending]
      *     </li>
-     *     <li>desc : boolean - flag for descending order (optional)</li>
      *     <li>conditions - array of hashes with structure:
      *       <ul>
      *           <li>cat - string, metadata category name</li>

campcaster/src/modules/storageServer/var/DataEngine.php

@@ -16,8 +16,15 @@ require_once "XML/Util.php";
  *       (may be empty or ommited only with less then 2 items in
  *       "conditions" field)
  *     </li>
- *     <li>orderby : string - metadata category for sorting (optional)</li>
+ *     <li>orderby : string - metadata category for sorting (optional)
- *     <li>desc : boolean - flag for descending order (optional)</li>
+ *          or array of strings for multicolumn orderby
+ *          [default: dc:creator, dc:source, dc:title]
+ *     </li>
+ *     <li>desc : boolean - flag for descending order (optional)
+ *          or array of boolean for multicolumn orderby
+ *          (it corresponds to elements of orderby field)
+ *          [default: all ascending]
+ *     </li>
  *     <li>conditions - array of hashes with structure:
  *       <ul>
  *           <li>cat - string, metadata category name</li>
@@ -346,14 +353,35 @@ class DataEngine {
         $filetype = $this->filetypes[$filetype];
         $operator = (isset($criteria['operator']) ? $criteria['operator'] : 'and');
         $operator = strtolower($operator);
-        $desc = (isset($criteria['desc']) ? $criteria['desc'] : NULL);
         $conditions = (isset($criteria['conditions']) ? $criteria['conditions'] : array());
         $whereArr = $this->_makeWhereArr($conditions);
-        $orderbyQn  =       // default is dc:title
+        $orderby = TRUE;                     // if there is any default
-            (isset($criteria['orderby']) ? $criteria['orderby'] : 'dc:title' /*NULL*/);
+        if ( (!isset($criteria['orderby'])) || (is_array($criteria['orderby']) && (count($criteria['orderby'])<1) ) ) {
+            $orderbyQns  = array('dc:creator', 'dc:source', 'dc:title');      // default
+        } else {
+            $orderbyQns  = $criteria['orderby'];
+        }
+        if (!is_array($orderbyQns)) {
+            $orderbyQns = array($orderbyQns);
+        }
+        $desc = (isset($criteria['desc']) ? $criteria['desc'] : NULL);
+        $orderJoinSql = array();
+        $orderBySql = array();
+        foreach($orderbyQns as $j=>$orderbyQn){
+            $i = $j+1;
             $obSplitQn = XML_Util::splitQualifiedName($orderbyQn);
             $obNs = $obSplitQn['namespace'];
-        $orderby = $obSplitQn['localPart'];
+            $obLp = $obSplitQn['localPart'];
+            $desc = (isset($criteria['desc'][$i]) ? $criteria['desc'][$i] : NULL);
+            $retype = ($obLp == 'mtime' ? '::timestamp with time zone' : '' );
+            $orderJoinSql[] =
+                "LEFT JOIN {$this->mdataTable} m$i\n".
+                "  ON m$i.gunid = sq2.gunid AND m$i.predicate='$obLp'".
+                " AND m$i.objns='_L' AND m$i.predxml='T'".
+                (!is_null($obNs)? " AND m$i.predns='$obNs'":'');
+            $orderBySql[] =
+                "m$i.object".$retype.($desc? ' DESC':'');
+        }
         $browse = !is_null($brFld);
         if (!$browse) {
             if (!$orderby) {
@@ -376,15 +404,11 @@ class DataEngine {
             $sql = $this->_makeOrSql($fldsPart, $whereArr, $fileCond, $browse, $brFldNs, $brFld);
         }
         if (!$browse && $orderby) {
-            $retype = ($orderby == 'mtime' ? '::timestamp with time zone' : '' );
             $sql =
-                "SELECT to_hex(sq2.gunid)as gunid, m.object, sq2.ftype, sq2.id\n".
+                "SELECT to_hex(sq2.gunid)as gunid, m1.object, sq2.ftype, sq2.id\n".
                 "FROM (\n$sql\n)sq2\n".
-                "LEFT JOIN {$this->mdataTable} m\n".
+                join("\n", $orderJoinSql).
-                "  ON m.gunid = sq2.gunid AND m.predicate='$orderby'".
+                "ORDER BY ".join(",", $orderBySql)."\n";
-                " AND m.objns='_L' AND m.predxml='T'".
-                (!is_null($obNs)? " AND m.predns='$obNs'":'')."\n".
-                "ORDER BY sq2.ftype, m.object".$retype.($desc? ' DESC':'')."\n";
         }
         // echo "\n---\n$sql\n---\n";
         $cnt = $this->_getNumRows($sql);
@@ -398,10 +422,8 @@ class DataEngine {
         if (!is_array($res)) {
         	$res = array();
         }
-#        if (!$browse) {
-#            $res = array_map(array("StoredFile", "_normalizeGunid"), $res);
-#        }
         $eres = array();
+        // echo "\n---\n"; var_dump($res); echo"\n---\n";
         foreach ($res as $it) {
             if (!$browse) {
                 $gunid = StoredFile::_normalizeGunid($it['gunid']);

campcaster/src/modules/storageServer/var/GreenBox.php

@@ -442,10 +442,14 @@ class GreenBox extends BasicStor {
      *     <li>limit : int - limit for result arrays (0 means unlimited)</li>
      *     <li>offset : int - starting point (0 means without offset)</li>
      *     <li>orderby : string - metadata category for sorting (optional)
-     *         default sorting by dc:title (+ primary sorting by filetype -
+     *          or array of strings for multicolumn orderby
-     *         audioclips, playlists, webstreams ...)
+     *          [default: dc:creator, dc:source, dc:title]
+     *     </li>
+     *     <li>desc : boolean - flag for descending order (optional)
+     *          or array of boolean for multicolumn orderby
+     *          (it corresponds to elements of orderby field)
+     *          [default: all ascending]
      *     </li>
-     *     <li>desc : boolean - flag for descending order (optional)</li>
      *     <li>conditions - array of hashes with structure:
      *       <ul>
      *           <li>cat - string, metadata category name</li>

campcaster/src/modules/storageServer/var/LocStor.php

@@ -342,10 +342,14 @@ class LocStor extends BasicStor {
      *     <li>limit : int - limit for result arrays (0 means unlimited)</li>
      *     <li>offset : int - starting point (0 means without offset)</li>
      *     <li>orderby : string - metadata category for sorting (optional)
-     *         default sorting by dc:title (+ primary sorting by filetype -
+     *          or array of strings for multicolumn orderby
-     *         audioclips, playlists, webstreams ...)
+     *          [default: dc:creator, dc:source, dc:title]
+     *     </li>
+     *     <li>desc : boolean - flag for descending order (optional)
+     *          or array of boolean for multicolumn orderby
+     *          (it corresponds to elements of orderby field)
+     *          [default: all ascending]
      *     </li>
-     *     <li>desc : boolean - flag for descending order (optional)</li>
      *     <li>conditions - array of hashes with structure:
      *       <ul>
      *           <li>cat - string, metadata category name</li>

campcaster/src/modules/storageServer/var/xmlrpc/XR_LocStor.php

@@ -2230,10 +2230,14 @@ class XR_LocStor extends LocStor{
      *     <li>limit : int - limit for result arrays (0 means unlimited)</li>
      *     <li>offset : int - starting point (0 means without offset)</li>
      *     <li>orderby : string - metadata category for sorting (optional)
-     *         default sorting by dc:title (+ primary sorting by filetype -
+     *          or array of strings for multicolumn orderby
-     *         audioclips, playlists, webstreams ...)
+     *          [default: dc:creator, dc:source, dc:title]
+     *     </li>
+     *     <li>desc : boolean - flag for descending order (optional)
+     *          or array of boolean for multicolumn orderby
+     *          (it corresponds to elements of orderby field)
+     *          [default: all ascending]
      *     </li>
-     *     <li>desc : boolean - flag for descending order (optional)</li>
      *     <li>conditions : array of struct with fields:
      *       <ul>
      *           <li>cat : string - metadata category name</li>

campcaster/src/modules/storageServer/var/xmlrpc/xr_cli_test.php

@@ -16,6 +16,16 @@ if($pars[0] == '-s'){
       "http://{$config['storageUrlHost']}:{$config['storageUrlPort']}".
       "{$config['storageUrlPath']}/{$config['storageXMLRPC']}";
 }
+$options = array();
+if($pars[0] == '-o'){
+    array_shift($pars);
+    $optStr = array_shift($pars);
+    $optArr = split(",", $optStr);
+    foreach($optArr as $opt){
+        list($k, $v) = split(':', $opt);
+        $options[$k] = $v;
+    }
+}
 
 #$serverPath = "http://localhost:80/campcasterStorageServerCVS/xmlrpc/xrLocStor.php";
 
@@ -287,12 +297,13 @@ if(isset($infos[$method]['r'])){
     case"getSearchResults":
         $acCnt = 0; $acGunids = array();
         $plCnt = 0; $plGunids = array();
+        $fld = (isset($options['category']) ? $options['category'] : 'gunid' );
         foreach($resp['results'] as $k=>$v){
             if($v['type']=='audioclip'){ $acCnt++;
-                $acGunids[] = $v['gunid'];
+                $acGunids[] = $v[$fld];
             }
             if($v['type']=='playlist'){ $plCnt++;
-                $plGunids[] = $v['gunid'];
+                $plGunids[] = $v[$fld];
             }
         }
         echo