includes/cachev.php

   1 <?php
   2 /*=====================================================================*\
   3 || ###################################################################
   4 || # ViewSVN [#]version[#]
   5 || # Copyright ©2002-[#]year[#] Iris Studios, Inc.
   6 || #
   7 || # This program is free software; you can redistribute it and/or modify
   8 || # it under the terms of the GNU General Public License as published by
   9 || # the Free Software Foundation; version [#]gpl[#] of the License.
  10 || #
  11 || # This program is distributed in the hope that it will be useful, but
  12 || # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13 || # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14 || # more details.
  15 || #
  16 || # You should have received a copy of the GNU General Public License along
  17 || # with this program; if not, write to the Free Software Foundation, Inc.,
  18 || # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  19 || ###################################################################
  20 \*=====================================================================*/
  21
  22 /**
  23 * File container for cacheV class
  24 *
  25 * @package      ViewSVN
  26 */
  27
  28 /**
  29 * cacheV
  30 *
  31 * This class is responsible for interacting with a given cacheV table.
  32 * It controls rebuilding from scratch, updates, and querying the cache.
  33 *
  34 * @author               Iris Studios, Inc.
  35 * @copyright    Copyright ©2002 - [#]year[#], Iris Studios, Inc.
  36 * @version              $Revision$
  37 * @package              ViewSVN
  38 *
  39 */
  40 class cacheV
  41 {
  42         /**
  43         * The registry
  44         * @var  object
  45         */
  46         var $registry = null;
  47
  48         /**
  49         * cacheV hash
  50         * @var  string
  51         */
  52         var $hash;
  53
  54         /**
  55         * Record count - the number of records in cacheV
  56         * @var  integer
  57         */
  58         var $count;
  59
  60         // ###################################################################
  61         /**
  62         * Constructor: initialies the registry
  63         */
  64         function cacheV()
  65         {
  66                 global $viewsvn;
  67                 $this->registry =& $viewsvn;
  68         }
  69
  70         // ###################################################################
  71         /**
  72         * Sets the hash so we know what table we're dealing with
  73         *
  74         * @access       public
  75         */
  76         function set_hash()
  77         {
  78                 $this->hash = md5($this->registry->repos->fetch_path($this->registry->paths->repos));
  79         }
  80
  81         // ###################################################################
  82         /**
  83         * Checks to see if it's necessary to rebuild the cacheV table for the
  84         * current repository. This is done by making sure $count > 0. If not,
  85         * then rebuild() is run. This also checks against the cacheV table
  86         * to make sure that it's up-to-date against the root repository.
  87         *
  88         * @access       public
  89         */
  90         function exec_build()
  91         {
  92                 $result = $this->registry->db->query_first("SELECT MAX(revision) AS max FROM {$this->hash}");
  93
  94                 // time to go from the start
  95                 if ($result['max'] == 0)
  96                 {
  97                         $this->build(null);
  98                 }
  99                 else
 100                 {
 101                         // send an Xquery to SVN
 102                         $query = $this->registry->svn->svn('info --xml ' . $this->registry->repos->fetch_path($this->registry->paths->repos));
 103                         $query = implode("\n", $query);
 104
 105                         $tree = $this->registry->xml->parse($query);
 106
 107                         if ($tree['info']['entry']['revision'] != $result['max'])
 108                         {
 109                                 $this->build($result['max']);
 110                         }
 111                 }
 112         }
 113
 114         // ###################################################################
 115         /**
 116         * Builds the cacheV table. This can be used to build only part of the
 117         * cache or the entire thing, if the revision is set to NULL.
 118         *
 119         * @access       public
 120         *
 121         * @param        integer Lower (current) revision
 122         */
 123         function build($revision)
 124         {
 125                 $start = microtime();
 126
 127                 $output = $this->registry->svn->svn('log --xml -v ' . ($revision !== null ? '-r' . $revision . ':HEAD ' : '') . $this->registry->repos->fetch_path($this->registry->paths->repos));
 128                 $output = implode("\n", $output);
 129
 130                 $tree = $this->registry->xml->parse($output);
 131
 132                 foreach ($tree['log']['logentry'] AS $log)
 133                 {
 134                         if (isset($log['paths'][0]))
 135                         {
 136                                 $files = $log['paths']['path'];
 137                         }
 138                         else
 139                         {
 140                                 $files = array($log['paths']['path']);
 141                         }
 142
 143                         $inserts[] = "($log[revision], '{$log['author']['value']}', '{$log['date']['value']}', '" . $this->registry->escape($log['msg']['value']) . "', '" . $this->registry->escape(serialize($files)) . "')";
 144                 }
 145
 146                 $this->registry->db->query("
 147                         INSERT INTO {$this->hash}
 148                                 (revision, author, dateline, message, files)
 149                         VALUES
 150                                 " . implode(",\n", $inserts)
 151                 );
 152
 153                 $this->registry->debug("TIME TO (RE)BUILD: " . $this->registry->funct->fetch_microtime_diff($start));
 154         }
 155 }
 156
 157 /*=====================================================================*\
 158 || ###################################################################
 159 || # $HeadURL$
 160 || # $Id$
 161 || ###################################################################
 162 \*=====================================================================*/
 163 ?>