newpoll.php 6.0 KB

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  1. <?php
  2. /**
  3. * StatusNet - the distributed open-source microblogging tool
  4. * Copyright (C) 2011, StatusNet, Inc.
  5. *
  6. * Add a new Poll
  7. *
  8. * PHP version 5
  9. *
  10. * This program is free software: you can redistribute it and/or modify
  11. * it under the terms of the GNU Affero General Public License as published by
  12. * the Free Software Foundation, either version 3 of the License, or
  13. * (at your option) any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,
  16. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. * GNU Affero General Public License for more details.
  19. *
  20. * You should have received a copy of the GNU Affero General Public License
  21. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  22. *
  23. * @category Poll
  24. * @package StatusNet
  25. * @author Brion Vibber <brion@status.net>
  26. * @copyright 2011 StatusNet, Inc.
  27. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  28. * @link http://status.net/
  29. */
  30. if (!defined('STATUSNET')) {
  31. // This check helps protect against security problems;
  32. // your code file can't be executed directly from the web.
  33. exit(1);
  34. }
  35. /**
  36. * Add a new Poll
  37. *
  38. * @category Poll
  39. * @package StatusNet
  40. * @author Evan Prodromou <evan@status.net>
  41. * @copyright 2010 StatusNet, Inc.
  42. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
  43. * @link http://status.net/
  44. */
  45. class NewPollAction extends Action
  46. {
  47. protected $user = null;
  48. protected $error = null;
  49. protected $complete = null;
  50. protected $question = null;
  51. protected $options = array();
  52. /**
  53. * Returns the title of the action
  54. *
  55. * @return string Action title
  56. */
  57. function title()
  58. {
  59. // TRANS: Title for poll page.
  60. return _m('New poll');
  61. }
  62. /**
  63. * For initializing members of the class.
  64. *
  65. * @param array $argarray misc. arguments
  66. *
  67. * @return boolean true
  68. */
  69. function prepare($argarray)
  70. {
  71. parent::prepare($argarray);
  72. $this->user = common_current_user();
  73. if (empty($this->user)) {
  74. // TRANS: Client exception thrown trying to create a poll while not logged in.
  75. throw new ClientException(_m('You must be logged in to post a poll.'),
  76. 403);
  77. }
  78. if ($this->isPost()) {
  79. $this->checkSessionToken();
  80. }
  81. $this->question = $this->trimmed('question');
  82. for ($i = 1; $i < 20; $i++) {
  83. $opt = $this->trimmed('option' . $i);
  84. if ($opt != '') {
  85. $this->options[] = $opt;
  86. }
  87. }
  88. return true;
  89. }
  90. /**
  91. * Handler method
  92. *
  93. * @param array $argarray is ignored since it's now passed in in prepare()
  94. *
  95. * @return void
  96. */
  97. function handle($argarray=null)
  98. {
  99. parent::handle($argarray);
  100. if ($this->isPost()) {
  101. $this->newPoll();
  102. } else {
  103. $this->showPage();
  104. }
  105. return;
  106. }
  107. /**
  108. * Add a new Poll
  109. *
  110. * @return void
  111. */
  112. function newPoll()
  113. {
  114. if ($this->boolean('ajax')) {
  115. GNUsocial::setApi(true);
  116. }
  117. try {
  118. if (empty($this->question)) {
  119. // TRANS: Client exception thrown trying to create a poll without a question.
  120. throw new ClientException(_m('Poll must have a question.'));
  121. }
  122. if (count($this->options) < 2) {
  123. // TRANS: Client exception thrown trying to create a poll with fewer than two options.
  124. throw new ClientException(_m('Poll must have at least two options.'));
  125. }
  126. // Notice options; distinct from choices for the poll
  127. $options = array();
  128. // Does the heavy-lifting for getting "To:" information
  129. ToSelector::fillOptions($this, $options);
  130. $saved = Poll::saveNew($this->user->getProfile(),
  131. $this->question,
  132. $this->options,
  133. $options);
  134. } catch (ClientException $ce) {
  135. $this->error = $ce->getMessage();
  136. $this->showPage();
  137. return;
  138. }
  139. if ($this->boolean('ajax')) {
  140. $this->startHTML('text/xml;charset=utf-8');
  141. $this->elementStart('head');
  142. // TRANS: Page title after sending a notice.
  143. $this->element('title', null, _m('Notice posted'));
  144. $this->elementEnd('head');
  145. $this->elementStart('body');
  146. $this->showNotice($saved);
  147. $this->elementEnd('body');
  148. $this->endHTML();
  149. } else {
  150. common_redirect($saved->getUrl(), 303);
  151. }
  152. }
  153. /**
  154. * Output a notice
  155. *
  156. * Used to generate the notice code for Ajax results.
  157. *
  158. * @param Notice $notice Notice that was saved
  159. *
  160. * @return void
  161. */
  162. function showNotice(Notice $notice)
  163. {
  164. class_exists('NoticeList'); // @fixme hack for autoloader
  165. $nli = new NoticeListItem($notice, $this);
  166. $nli->show();
  167. }
  168. /**
  169. * Show the Poll form
  170. *
  171. * @return void
  172. */
  173. function showContent()
  174. {
  175. if (!empty($this->error)) {
  176. $this->element('p', 'error', $this->error);
  177. }
  178. $form = new NewPollForm($this,
  179. $this->question,
  180. $this->options);
  181. $form->show();
  182. return;
  183. }
  184. /**
  185. * Return true if read only.
  186. *
  187. * MAY override
  188. *
  189. * @param array $args other arguments
  190. *
  191. * @return boolean is read only action?
  192. */
  193. function isReadOnly($args)
  194. {
  195. if ($_SERVER['REQUEST_METHOD'] == 'GET' ||
  196. $_SERVER['REQUEST_METHOD'] == 'HEAD') {
  197. return true;
  198. } else {
  199. return false;
  200. }
  201. }
  202. }