cancelgroup.php 6.1 KB

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  1. <?php
  2. /**
  3. * StatusNet, the distributed open-source microblogging tool
  4. *
  5. * Leave a group
  6. *
  7. * PHP version 5
  8. *
  9. * LICENCE: This program is free software: you can redistribute it and/or modify
  10. * it under the terms of the GNU Affero General Public License as published by
  11. * the Free Software Foundation, either version 3 of the License, or
  12. * (at your option) any later version.
  13. *
  14. * This program is distributed in the hope that it will be useful,
  15. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  17. * GNU Affero General Public License for more details.
  18. *
  19. * You should have received a copy of the GNU Affero General Public License
  20. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  21. *
  22. * @category Group
  23. * @package StatusNet
  24. * @author Evan Prodromou <evan@status.net>
  25. * @copyright 2008-2009 StatusNet, Inc.
  26. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  27. * @link http://status.net/
  28. */
  29. if (!defined('STATUSNET') && !defined('LACONICA')) {
  30. exit(1);
  31. }
  32. /**
  33. * Leave a group
  34. *
  35. * This is the action for leaving a group. It works more or less like the subscribe action
  36. * for users.
  37. *
  38. * @category Group
  39. * @package StatusNet
  40. * @author Evan Prodromou <evan@status.net>
  41. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  42. * @link http://status.net/
  43. */
  44. class CancelgroupAction extends Action
  45. {
  46. var $group = null;
  47. /**
  48. * Prepare to run
  49. */
  50. function prepare(array $args = array())
  51. {
  52. parent::prepare($args);
  53. if (!common_logged_in()) {
  54. // TRANS: Client error displayed when trying to leave a group while not logged in.
  55. $this->clientError(_('You must be logged in to leave a group.'));
  56. }
  57. $nickname_arg = $this->trimmed('nickname');
  58. $id = intval($this->arg('id'));
  59. if ($id) {
  60. $this->group = User_group::getKV('id', $id);
  61. } else if ($nickname_arg) {
  62. $nickname = common_canonical_nickname($nickname_arg);
  63. // Permanent redirect on non-canonical nickname
  64. if ($nickname_arg != $nickname) {
  65. $args = array('nickname' => $nickname);
  66. common_redirect(common_local_url('leavegroup', $args), 301);
  67. }
  68. $local = Local_group::getKV('nickname', $nickname);
  69. if (!$local) {
  70. // TRANS: Client error displayed when trying to leave a non-local group.
  71. $this->clientError(_('No such group.'), 404);
  72. }
  73. $this->group = User_group::getKV('id', $local->group_id);
  74. } else {
  75. // TRANS: Client error displayed when trying to leave a group without providing a group name or group ID.
  76. $this->clientError(_('No nickname or ID.'), 404);
  77. }
  78. if (!$this->group) {
  79. // TRANS: Client error displayed when trying to leave a non-existing group.
  80. $this->clientError(_('No such group.'), 404);
  81. }
  82. $cur = common_current_user();
  83. if (empty($cur)) {
  84. // TRANS: Client error displayed when trying to leave a group while not logged in.
  85. $this->clientError(_('Must be logged in.'), 403);
  86. }
  87. if ($this->arg('profile_id')) {
  88. if ($cur->isAdmin($this->group)) {
  89. $this->profile = Profile::getKV('id', $this->arg('profile_id'));
  90. } else {
  91. // TRANS: Client error displayed when trying to approve or cancel a group join request without
  92. // TRANS: being a group administrator.
  93. $this->clientError(_('Only group admin can approve or cancel join requests.'), 403);
  94. }
  95. } else {
  96. $this->profile = $cur->getProfile();
  97. }
  98. $this->request = Group_join_queue::pkeyGet(array('profile_id' => $this->profile->id,
  99. 'group_id' => $this->group->id));
  100. if (empty($this->request)) {
  101. // TRANS: Client error displayed when trying to approve a non-existing group join request.
  102. // TRANS: %s is a user nickname.
  103. $this->clientError(sprintf(_('%s is not in the moderation queue for this group.'), $this->profile->nickname), 403);
  104. }
  105. return true;
  106. }
  107. /**
  108. * Handle the request
  109. *
  110. * On POST, add the current user to the group
  111. *
  112. * @param array $args unused
  113. *
  114. * @return void
  115. */
  116. function handle()
  117. {
  118. parent::handle();
  119. try {
  120. $this->request->abort();
  121. } catch (Exception $e) {
  122. common_log(LOG_ERR, "Exception canceling group sub: " . $e->getMessage());
  123. // TRANS: Server error displayed when cancelling a queued group join request fails.
  124. // TRANS: %1$s is the leaving user's nickname, $2$s is the group nickname for which the leave failed.
  125. $this->serverError(sprintf(_('Could not cancel request for user %1$s to join group %2$s.'),
  126. $this->profile->nickname, $this->group->nickname));
  127. return;
  128. }
  129. if ($this->boolean('ajax')) {
  130. $this->startHTML('text/xml;charset=utf-8');
  131. $this->elementStart('head');
  132. // TRANS: Title for leave group page after leaving.
  133. // TRANS: %s$s is the leaving user's name, %2$s is the group name.
  134. $this->element('title', null, sprintf(_m('TITLE','%1$s left group %2$s'),
  135. $this->profile->nickname,
  136. $this->group->nickname));
  137. $this->elementEnd('head');
  138. $this->elementStart('body');
  139. $jf = new JoinForm($this, $this->group);
  140. $jf->show();
  141. $this->elementEnd('body');
  142. $this->endHTML();
  143. } else {
  144. common_redirect(common_local_url('groupmembers', array('nickname' => $this->group->nickname)), 303);
  145. }
  146. }
  147. }