Added feature #4553: Enable negative timestamps
[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_loaddbgroup.php
index 1d272b9..54e8cba 100755 (executable)
@@ -62,6 +62,7 @@
 
 
 
+require_once (PATH_t3lib.'class.t3lib_refindex.php');
 
 
 
@@ -118,6 +119,7 @@ class t3lib_loadDBGroup     {
                $this->MM_is_foreign = ($conf['MM_opposite_field']?1:0);
                $this->MM_oppositeField = $conf['MM_opposite_field'];
                $this->MM_table_where = $conf['MM_table_where'];
+               $this->MM_hasUidField = $conf['MM_hasUidField'];
                $this->MM_match_fields = is_array($conf['MM_match_fields']) ? $conf['MM_match_fields'] : array();
                $this->MM_insert_fields = is_array($conf['MM_insert_fields']) ? $conf['MM_insert_fields'] : $this->MM_match_fields;
                
@@ -130,6 +132,7 @@ class t3lib_loadDBGroup     {
                        unset($tmp);
 
                                // only add the current table name if there is more than one allowed field
+                       t3lib_div::loadTCA($this->MM_oppositeTable);    // We must be sure this has been done at least once before accessing the "columns" part of TCA for a table.
                        $this->MM_oppositeFieldConf = $GLOBALS['TCA'][$this->MM_oppositeTable]['columns'][$this->MM_oppositeField]['config'];
 
                        if ($this->MM_oppositeFieldConf['allowed'])     {
@@ -327,7 +330,7 @@ class t3lib_loadDBGroup     {
         * @param       boolean         If set, then table names will always be written.
         * @return      void
         */
-       function writeMM($tableName,$uid,$prependTableName=0)   {
+       function writeMM($MM_tableName,$uid,$prependTableName=0)        {
 
                if ($this->MM_is_foreign)       {       // in case of a reverse relation
                        $uidLocal_field = 'uid_foreign';
@@ -357,18 +360,26 @@ class t3lib_loadDBGroup   {
                        }
                                // Select, update or delete only those relations that match the configured fields
                        foreach ($this->MM_match_fields as $field => $value) {
-                               $additionalWhere.= ' AND '.$field.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($value, $tableName);
+                               $additionalWhere.= ' AND '.$field.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($value, $MM_tableName);
                        }
 
-                       $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery($uidForeign_field.($prep?', tablenames':''), $tableName, $uidLocal_field.'='.$uid.$additionalWhere_tablenames.$additionalWhere);
+                       $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
+                               $uidForeign_field.($prep?', tablenames':'').($this->MM_hasUidField?', uid':''), 
+                               $MM_tableName, 
+                               $uidLocal_field.'='.$uid.$additionalWhere_tablenames.$additionalWhere,
+                               '',
+                               $sorting_field
+                       );
 
                        $oldMMs = array();
+                       $oldMMs_inclUid = array();      // This array is similar to $oldMMs but also holds the uid of the MM-records, if any (configured by MM_hasUidField). If the UID is present it will be used to update sorting and delete MM-records. This is necessary if the "multiple" feature is used for the MM relations. $oldMMs is still needed for the in_array() search used to look if an item from $this->itemArray is in $oldMMs
                        while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
                                if (!$this->MM_is_foreign && $prep)     {
                                        $oldMMs[] = array($row['tablenames'], $row[$uidForeign_field]);
                                } else {
                                        $oldMMs[] = $row[$uidForeign_field];
                                }
+                               $oldMMs_inclUid[] = array($row['tablenames'], $row[$uidForeign_field], $row['uid']);
                        }
 
                                // For each item, insert it:
@@ -392,13 +403,17 @@ class t3lib_loadDBGroup   {
                                }
 
                                if (in_array($item, $oldMMs))   {
-                                       unset($oldMMs[array_search($item, $oldMMs)]);   // remove the item from the $oldMMs array so after this foreach loop only the ones that need to be deleted are in there.
-
-                                       $whereClause = $uidLocal_field.'='.$uid.' AND '.$uidForeign_field.'='.$val['id'];
+                                       $oldMMs_index = array_search($item, $oldMMs);
+                                       
+                                       $whereClause = $uidLocal_field.'='.$uid.' AND '.$uidForeign_field.'='.$val['id'].
+                                                                       ($this->MM_hasUidField ? ' AND uid='.intval($oldMMs_inclUid[$oldMMs_index][2]) : '');   // In principle, selecting on the UID is all we need to do if a uid field is available since that is unique! But as long as it "doesn't hurt" we just add it to the where clause. It should all match up.
                                        if ($tablename) {
                                                $whereClause .= ' AND tablenames="'.$tablename.'"';
                                        }
-                                       $GLOBALS['TYPO3_DB']->exec_UPDATEquery($tableName, $whereClause.$additionalWhere, array($sorting_field => $c));
+                                       $GLOBALS['TYPO3_DB']->exec_UPDATEquery($MM_tableName, $whereClause.$additionalWhere, array($sorting_field => $c));
+
+                                       unset($oldMMs[$oldMMs_index]);  // remove the item from the $oldMMs array so after this foreach loop only the ones that need to be deleted are in there.
+                                       unset($oldMMs_inclUid[$oldMMs_index]);  // remove the item from the $oldMMs array so after this foreach loop only the ones that need to be deleted are in there.
                                } else {
 
                                        $insertFields = $this->MM_insert_fields;
@@ -409,23 +424,91 @@ class t3lib_loadDBGroup   {
                                                $insertFields['tablenames'] = $tablename;
                                        }
 
-                                       $GLOBALS['TYPO3_DB']->exec_INSERTquery($tableName, $insertFields);
+                                       $GLOBALS['TYPO3_DB']->exec_INSERTquery($MM_tableName, $insertFields);
+                                       
+                                       if ($this->MM_is_foreign)       {
+                                               $this->updateRefIndex($val['table'], $val['id']);
+                                       }
                                }
                        }
 
                                // Delete all not-used relations:
                        if(is_array($oldMMs) && count($oldMMs) > 0) {
                                $removeClauses = array();
-                               foreach($oldMMs as $mmItem) {
-                                       if(is_array($mmItem)) {
-                                               $removeClauses[] = 'tablenames="'.$mmItem[0].'" AND '.$uidForeign_field.'='.$mmItem[1];
+                               $updateRefIndex_records = array();
+                               foreach($oldMMs as $oldMM_key => $mmItem) {
+                                       if ($this->MM_hasUidField)      {       // If UID field is present, of course we need only use that for deleting...:
+                                               $removeClauses[] = 'uid='.intval($oldMMs_inclUid[$oldMM_key][2]);
+                                               $elDelete = $oldMMs_inclUid[$oldMM_key];
                                        } else {
-                                               $removeClauses[] = $uidForeign_field.'='.$mmItem;
+                                               if(is_array($mmItem)) {
+                                                       $removeClauses[] = 'tablenames="'.$mmItem[0].'" AND '.$uidForeign_field.'='.$mmItem[1];
+                                               } else {
+                                                       $removeClauses[] = $uidForeign_field.'='.$mmItem;
+                                               }
+                                       }
+                                       if ($this->MM_is_foreign)       {
+                                               if(is_array($mmItem)) {
+                                                       $updateRefIndex_records[] = array($mmItem[0],$mmItem[1]);
+                                               } else {
+                                                       $updateRefIndex_records[] = array($this->firstTable,$mmItem);
+                                               }
                                        }
                                }
                                $deleteAddWhere = ' AND ('.implode(' OR ', $removeClauses).')';
-                               $GLOBALS['TYPO3_DB']->exec_DELETEquery($tableName, $uidLocal_field.'='.intval($uid).$deleteAddWhere.$additionalWhere_tablenames.$additionalWhere);
+                               $GLOBALS['TYPO3_DB']->exec_DELETEquery($MM_tableName, $uidLocal_field.'='.intval($uid).$deleteAddWhere.$additionalWhere_tablenames.$additionalWhere);
+                               
+                                       // Update ref index:
+                               foreach($updateRefIndex_records as $pair)       {
+                                       $this->updateRefIndex($pair[0],$pair[1]);
+                               }
+                       }
+                       
+                               // Update ref index; In tcemain it is not certain that this will happen because if only the MM field is changed the record itself is not updated and so the ref-index is not either. This could also have been fixed in updateDB in tcemain, however I decided to do it here ...
+                       $this->updateRefIndex($this->currentTable,$uid);
+               }
+       }       
+
+       /**
+        * Remaps MM table elements from one local uid to another
+        * Does NOT update the reference index for you, must be called subsequently to do that!
+        *
+        * @param       string          MM table name
+        * @param       integer         Local, current UID
+        * @param       integer         Local, new UID
+        * @param       boolean         If set, then table names will always be written.
+        * @return      void
+        */
+       function remapMM($MM_tableName,$uid,$newUid,$prependTableName=0)        {
+
+               if ($this->MM_is_foreign)       {       // in case of a reverse relation
+                       $uidLocal_field = 'uid_foreign';
+               } else {        // default
+                       $uidLocal_field = 'uid_local';
+               }
+
+                       // If there are tables...
+               $tableC = count($this->tableArray);
+               if ($tableC)    {
+                       $prep = ($tableC>1||$prependTableName||$this->MM_isMultiTableRelationship) ? 1 : 0;     // boolean: does the field "tablename" need to be filled?
+                       $c=0;
+
+                       $additionalWhere_tablenames = '';
+                       if ($this->MM_is_foreign && $prep)      {
+                               $additionalWhere_tablenames = ' AND tablenames="'.$this->currentTable.'"';
                        }
+
+                       $additionalWhere = '';
+                               // add WHERE clause if configured
+                       if ($this->MM_table_where) {
+                               $additionalWhere.= "\n".str_replace('###THIS_UID###', intval($uid), $this->MM_table_where);
+                       }
+                               // Select, update or delete only those relations that match the configured fields
+                       foreach ($this->MM_match_fields as $field => $value) {
+                               $additionalWhere.= ' AND '.$field.'='.$GLOBALS['TYPO3_DB']->fullQuoteStr($value, $MM_tableName);
+                       }
+
+                       $GLOBALS['TYPO3_DB']->exec_UPDATEquery($MM_tableName, $uidLocal_field.'='.intval($uid).$additionalWhere_tablenames.$additionalWhere, array($uidLocal_field => $newUid));
                }
        }
 
@@ -503,7 +586,7 @@ class t3lib_loadDBGroup     {
         *
         * @param       array           $conf: TCA configuration for current field
         * @param       integer         $parentUid: The uid of the parent record
-        * @param       boolean         $updateForeignField: Whether to update the foreign field with the $parentUid (on Copy)
+        * @param       boolean         $updateToUid: Whether to update the foreign field with the $parentUid (on Copy)
         * @param       boolean         $skipSorting: Do not update the sorting columns, this could happen for imported values
         * @return      void
         */
@@ -517,7 +600,9 @@ class t3lib_loadDBGroup     {
                        // if there are table items and we have a proper $parentUid
                if (t3lib_div::testInt($parentUid) && count($this->tableArray)) {
                                // if updateToUid is not a positive integer, set it to '0', so it will be ignored
-                       if (!(t3lib_div::testInt($updateToUid) && $updateToUid > 0)) $updateToUid = 0;
+                       if (!(t3lib_div::testInt($updateToUid) && $updateToUid > 0)) {
+                               $updateToUid = 0;
+                       }
                        $fields = 'uid,'.$foreign_field.($symmetric_field ? ','.$symmetric_field : '');
 
                                // update all items
@@ -579,7 +664,7 @@ class t3lib_loadDBGroup     {
                                }
 
                                if (count($updateValues)) {
-                                       $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, "uid='$uid'", $updateValues);
+                                       $GLOBALS['TYPO3_DB']->exec_UPDATEquery($table, 'uid=' . intval($uid), $updateValues);
                                        $this->updateRefIndex($table, $uid);
                                }
                        }