Pagination, part 1

diff --git a/includes/SpecialValidate.php b/includes/SpecialValidate.php
index 3b395fc..dec1ee0 100644 (file)
--- a/includes/SpecialValidate.php
+++ b/includes/SpecialValidate.php
@@ -23,6 +23,7 @@
  * @subpackage SpecialPage
  */
 
+
 class Validation {
        var $topicList;
        var $voteCache;
@@ -238,13 +239,19 @@ class Validation {
        }
        
        # Reads the entire vote list for this user for all articles
-       function getAllVoteLists( $user ) {
+       function getAllVoteLists( $user , $offset , $limit ) {
                $db =& wfGetDB( DB_SLAVE );
-               $this->allVoteDb = $db ;
                $a = $this->identifyUser($user) ;
-               $b = array ( "ORDER BY" => "val_page,val_revision" ) ;
+               $b = array ( "ORDER BY" => "val_page,val_revision" , "OFFSET" => $offset , "LIMIT" => $limit ) ;
                $res = $db->select( 'validate', '*', $a , 'getAllVotesList' , $b );
-               return $res ;
+               
+               $votes = array();
+               while( $vote = $db->fetchObject($res) ) {
+                       $votes[$vote->val_page][$vote->val_revision][$vote->val_type] = $vote;
+               }
+               $db->freeResult($res);
+               
+               return $votes ;
        }
        
        # This functions adds a topic to the database
@@ -681,49 +688,43 @@ class Validation {
                return $ret;
        }
 
-       
-       var $allVotesCount ;
-       var $allVoteRes ;
-       var $allVoteDb ;
-       
-       # This function will get an SQL results handle on the first call
-       # and iterate through the results on each call, until
-       # it hits the end; after that, it will return an empty array
-       # to signal the calling function to stop
-       function iterateAllVotes ( $user ) {
-               if ( $this->allVotesCount == -1 ) return array () ; # This is the end, my friend, the end
+       function navBar ( $offset , $limit , $lastcount ) {
+               global $wgRequest , $wgUser ;
+               $sk = $wgUser->getSkin();
+               $r = array () ;
+               $user = $wgRequest->getVal( "user" );
+               $nt = Title::newFromText( 'Special:Validate' );
                
-               if ( $this->allVotesCount == 0 ) {
-                       $this->allVoteRes = $this->getAllVoteLists( $user ) ;
-                       $this->allVotesCount = 1 ;
+               $base = "action=validate&mode=userstats&user={$user}&limit={$limit}&offset=" ;
+               
+               if ( $offset > 0 ) {
+                       $o = $offset - $limit ; 
+                       $t = $offset-$limit+1 ;
+                       $r[] = $sk->makeKnownLinkObj( $nt, "{$t} <<" , $base.$o );
                }
                
+               $s1 = $offset + 1 ;
+               $s2 = $s1 + $lastcount - 1 ;
+               $r[] = $s1 . " - " . $s2 ;
                
-               $votes = array();
-               if( $vote = $this->allVoteDb->fetchObject($this->allVoteRes) ) {
-                       $votes[$vote->val_page][$vote->val_revision][$vote->val_type] = $vote;
-               } else {
-                       $this->allVoteDb->freeResult($this->allVoteRes);
-                       $this->allVotesCount = -1 ; # Setting stop mark
-                       return array () ;
-               }
-
-               $a = array () ;
-               if ( count ( $votes ) != 0 ) {
-                       foreach ( $votes AS $k => $v ) {
-                               $a[$k] = $v ;
-                               break ; # Just once...
-                       }
-                       unset ( $this->allVotesCache[$k] ) ;
+               if ( $lastcount == $limit ) {
+                       $o = $offset + $limit ; 
+                       $t = $offset+$limit+1 ;
+                       $r[] = $sk->makeKnownLinkObj( $nt, ">> {$t}" , $base.$o );
                }
-               return $a ;
+               
+               $r = implode ( " | " , $r ) ;
+               return $r ;
        }
        
-       function showUserStats( $user ) {
-               global $wgOut, $wgUser;
+       function showUserStats( $user ) {               
+               global $wgOut, $wgUser, $wgRequest;
                $this->topicList = $this->getTopicList();
                $sk = $wgUser->getSkin();
-               $this->allVotesCount = 0 ; # Initialize
+               
+               $offset = $wgRequest->getVal( "offset" , 0 );
+               $limit = $wgRequest->getVal( "limit" , 25 );
+               $data = $this->getAllVoteLists( $user , $offset , $limit ) ;
                
                if( $user == $wgUser->getID() ) {
                        $wgOut->setPageTitle ( wfMsg ( 'val_my_stats_title' ) );
@@ -733,16 +734,14 @@ class Validation {
                        $wgOut->setPageTitle( wfMsg( 'val_user_stats_title', $user ) );
                }
                
+               $ret = "" ;
                $ret = "<table>\n";
                
+               $linecount = 0 ;
                $lastpage = -1 ;
                $lastrevision = -1 ;
                $initial = false ;
-               while ( 1 ) {
-                       $temp = $this->iterateAllVotes ( $user ) ;
-                       if ( count ( $temp ) == 0 ) break ; # All done
-                       $articleid = array_shift ( array_keys ( $temp ) ) ;
-                       $revisions = array_shift ( $temp ) ;
+               foreach ( $data AS $articleid => $revisions ) {
                        $title = Title::newFromID( $articleid );
                        if ( $lastpage != $articleid ) {
                                $ret .= "<tr><th colspan='4'>";
@@ -775,12 +774,17 @@ class Validation {
                                        $ret .= "<td>" . $this->getRatingText( $rating->val_value, $this->topicList[$topic]->val_value ) . "</td>";
                                        $ret .= "<td>" . $sk->commentBlock( $rating->val_comment ) . "</td>";
                                        $ret .= "</tr>";
+                                       $linecount++ ;
                                }
                        }
                        $ret .= "</tr>";
                }
                $ret .= "</table>";
                
+               
+               $s = $this->navBar ( $offset , $limit , $linecount ) ;
+               if ( $s != "" ) $ret = $s . "<br/>" . $ret . "<br/>" . $s ;
+               
                return $ret;
        }