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                 $this->count = $result['max'];
  94
  95                 // time to go from the start
  96                 if ($this->count == 0)
  97                 {
  98                         $this->build(null);
  99                 }
 100                 else
 101                 {
 102                         // send an Xquery to SVN
 103                         $query = $this->registry->svn->svn('info --xml ' . $this->registry->repos->fetch_path($this->registry->paths->repos));
 104                         $query = implode("\n", $query);
 105
 106                         $tree = $this->registry->xml->parse($query);
 107
 108                         if ($tree['info']['entry']['revision'] != $this->count)
 109                         {
 110                                 $this->build($this->count);
 111                         }
 112                 }
 113         }
 114
 115         // ###################################################################
 116         /**
 117         * Builds the cacheV table. This can be used to build only part of the
 118         * cache or the entire thing, if the revision is set to NULL.
 119         *
 120         * @access       public
 121         *
 122         * @param        integer Lower (current) revision
 123         */
 124         function build($revision)
 125         {
 126                 $start = microtime();
 127
 128                 $output = $this->registry->svn->svn('log --xml -v ' . ($revision !== null ? '-r' . $revision . ':HEAD ' : '') . $this->registry->repos->fetch_path($this->registry->paths->repos));
 129                 $output = implode("\n", $output);
 130
 131                 $tree = $this->registry->xml->parse($output);
 132
 133                 foreach ($tree['log']['logentry'] AS $log)
 134                 {
 135                         if (isset($log['paths'][0]))
 136                         {
 137                                 $files = $log['paths']['path'];
 138                         }
 139                         else
 140                         {
 141                                 $files = array($log['paths']['path']);
 142                         }
 143
 144                         $inserts[] = "($log[revision], '{$log['author']['value']}', '{$log['date']['value']}', '" . $this->registry->escape($log['msg']['value']) . "', '" . $this->registry->escape(serialize($files)) . "')";
 145                 }
 146
 147                 $this->registry->db->query("
 148                         INSERT INTO {$this->hash}
 149                                 (revision, author, dateline, message, files)
 150                         VALUES
 151                                 " . implode(",\n", $inserts)
 152                 );
 153
 154                 $this->registry->debug("TIME TO (RE)BUILD: " . $this->registry->funct->fetch_microtime_diff($start));
 155         }
 156 }
 157
 158 /*=====================================================================*\
 159 || ###################################################################
 160 || # $HeadURL$
 161 || # $Id$
 162 || ###################################################################
 163 \*=====================================================================*/
 164 ?>