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   1  <?php
   2  # MantisBT - A PHP based bugtracking system
   3  
   4  # MantisBT is free software: you can redistribute it and/or modify
   5  # it under the terms of the GNU General Public License as published by
   6  # the Free Software Foundation, either version 2 of the License, or
   7  # (at your option) any later version.
   8  #
   9  # MantisBT is distributed in the hope that it will be useful,
  10  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  # GNU General Public License for more details.
  13  #
  14  # You should have received a copy of the GNU General Public License
  15  # along with MantisBT.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * @package MantisBT
  19   * @copyright Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
  20   * @copyright Copyright (C) 2002 - 2011  MantisBT Team - mantisbt-dev@lists.sourceforge.net
  21   * @link http://www.mantisbt.org
  22   *
  23   * @uses access_api.php
  24   * @uses authentication_api.php
  25   * @uses config_api.php
  26   * @uses gpc_api.php
  27   * @uses helper_api.php
  28   * @uses lang_api.php
  29   * @uses print_api.php
  30   * @uses tag_api.php
  31   */
  32  
  33  if ( !defined( 'BUG_ACTIONGROUP_ATTACH_TAGS_INC_ALLOW' ) ) {
  34      return;
  35  }
  36  
  37  require_api( 'access_api.php' );
  38  require_api( 'authentication_api.php' );
  39  require_api( 'config_api.php' );
  40  require_api( 'gpc_api.php' );
  41  require_api( 'helper_api.php' );
  42  require_api( 'lang_api.php' );
  43  require_api( 'print_api.php' );
  44  require_api( 'tag_api.php' );
  45  
  46  /**
  47   * Prints the title for the custom action page.
  48   */
  49  function action_attach_tags_print_title() {
  50      echo '<tr class="form-title">';
  51      echo '<td colspan="2">';
  52      echo lang_get( 'tag_attach_long' );
  53      echo '</td></tr>';
  54  }
  55  
  56  /**
  57   * Prints the table and form for the Attach Tags group action page.
  58   */
  59  function action_attach_tags_print_fields() {
  60      echo '<tr ',helper_alternate_class(),'><th class="category">',lang_get('tag_attach_long'),'</th><td>';
  61      print_tag_input();
  62      echo '<input type="submit" class="button" value="' . lang_get( 'tag_attach' ) . ' " /></td></tr>';
  63  }
  64  
  65  /**
  66   * Validates the Attach Tags group action.
  67   * Checks if a user can attach the requested tags to a given bug.
  68   * @param integer Bug ID
  69   * @return string|null On failure: the reason for tags failing validation for the given bug. On success: null.
  70   */
  71  function action_attach_tags_validate( $p_bug_id ) {
  72      global $g_action_attach_tags_tags;
  73      global $g_action_attach_tags_attach;
  74      global $g_action_attach_tags_create;
  75  
  76      $t_can_attach = access_has_bug_level( config_get( 'tag_attach_threshold' ), $p_bug_id );
  77      if( !$t_can_attach ) {
  78          return lang_get( 'tag_attach_denied' );
  79      }
  80  
  81      if( !isset( $g_action_attach_tags_tags ) ) {
  82          if( !isset( $g_action_attach_tags_attach ) ) {
  83              $g_action_attach_tags_attach = array();
  84              $g_action_attach_tags_create = array();
  85          }
  86          $g_action_attach_tags_tags = tag_parse_string( gpc_get_string( 'tag_string' ) );
  87          foreach ( $g_action_attach_tags_tags as $t_tag_row ) {
  88              if ( $t_tag_row['id'] == -1 ) {
  89                  $g_action_attach_tags_create[$t_tag_row['name']] = $t_tag_row;
  90              } else if( $t_tag_row['id'] >= 0 ) {
  91                  $g_action_attach_tags_attach[$t_tag_row['name']] = $t_tag_row;
  92              }
  93          }
  94      }
  95  
  96      $t_can_create = access_has_bug_level( config_get( 'tag_create_threshold' ), $p_bug_id );
  97      if( count( $g_action_attach_tags_create ) > 0 && !$t_can_create ) {
  98          return lang_get( 'tag_create_denied' );
  99      }
 100  
 101      if( count( $g_action_attach_tags_create ) == 0 &&
 102          count( $g_action_attach_tags_attach ) == 0 ) {
 103          return lang_get( 'tag_none_attached' );
 104      }
 105  
 106      return null;
 107  }
 108  
 109  /**
 110   * Attaches all the tags to each bug in the group action.
 111   * @param integer Bug ID
 112   * @return null Previous validation ensures that this function doesn't fail. Therefore we can always return null to indicate no errors occurred.
 113   */
 114  function action_attach_tags_process( $p_bug_id ) {
 115      global $g_action_attach_tags_attach, $g_action_attach_tags_create;
 116  
 117      $t_user_id = auth_get_current_user_id();
 118  
 119      foreach( $g_action_attach_tags_create as $t_tag_row ) {
 120          $t_tag_row['id'] = tag_create( $t_tag_row['name'], $t_user_id );
 121          $g_action_attach_tags_attach[] = $t_tag_row;
 122      }
 123      $g_action_attach_tags_create = array();
 124  
 125      foreach( $g_action_attach_tags_attach as $t_tag_row ) {
 126          if ( !tag_bug_is_attached( $t_tag_row['id'], $p_bug_id ) ) {
 127              tag_bug_attach( $t_tag_row['id'], $p_bug_id, $t_user_id );
 128          }
 129      }
 130  
 131      return null;
 132  }