inboxtagcloudsection.php 3.2 KB

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  1. <?php
  2. /**
  3. * StatusNet, the distributed open-source microblogging tool
  4. *
  5. * Personal tag cloud section
  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 Widget
  23. * @package StatusNet
  24. * @author Evan Prodromou <evan@status.net>
  25. * @copyright 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('GNUSOCIAL')) { exit(1); }
  30. /**
  31. * Personal tag cloud section
  32. *
  33. * @category Widget
  34. * @package StatusNet
  35. * @author Evan Prodromou <evan@status.net>
  36. * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  37. * @link http://status.net/
  38. */
  39. class InboxTagCloudSection extends TagCloudSection
  40. {
  41. const MAX_NOTICES = 1024; // legacy value for "Inbox" table size when that existed
  42. protected $target = null;
  43. function __construct($out=null, Profile $target)
  44. {
  45. parent::__construct($out);
  46. $this->target = $target;
  47. }
  48. function title()
  49. {
  50. // TRANS: Title for inbox tag cloud section.
  51. return _m('TITLE', 'Trends');
  52. }
  53. function getTags()
  54. {
  55. // FIXME: Get the Profile::current() value some other way
  56. // to avoid confusion between background stuff and session.
  57. $stream = new InboxNoticeStream($this->target, Profile::current());
  58. $ids = $stream->getNoticeIds(0, self::MAX_NOTICES, null, null);
  59. if (empty($ids)) {
  60. $tag = array();
  61. } else {
  62. $weightexpr = common_sql_weight('notice_tag.created', common_config('tag', 'dropoff'));
  63. // @fixme should we use the cutoff too? Doesn't help with indexing per-user.
  64. $qry = 'SELECT notice_tag.tag, '.
  65. $weightexpr . ' as weight ' .
  66. 'FROM notice_tag JOIN notice ' .
  67. 'ON notice_tag.notice_id = notice.id ' .
  68. 'WHERE notice.id in (' . implode(',', $ids) . ')'.
  69. 'GROUP BY notice_tag.tag ' .
  70. 'ORDER BY weight DESC ';
  71. $limit = TAGS_PER_SECTION;
  72. $offset = 0;
  73. if (common_config('db','type') == 'pgsql') {
  74. $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
  75. } else {
  76. $qry .= ' LIMIT ' . $offset . ', ' . $limit;
  77. }
  78. $t = new Notice_tag();
  79. $t->query($qry);
  80. $tag = array();
  81. while ($t->fetch()) {
  82. $tag[] = clone($t);
  83. }
  84. }
  85. return new ArrayWrapper($tag);
  86. }
  87. function showMore()
  88. {
  89. }
  90. }