personaltagcloudsection.php 2.8 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 PersonalTagCloudSection extends TagCloudSection
  40. {
  41. protected $profile = null;
  42. function __construct(Profile $profile, HTMLOutputter $out=null)
  43. {
  44. parent::__construct($out);
  45. $this->profile = $profile;
  46. }
  47. function title()
  48. {
  49. // TRANS: Title for personal tag cloud section.
  50. return _m('TITLE','Tags');
  51. }
  52. function getTags()
  53. {
  54. $weightexpr = common_sql_weight('notice_tag.created', common_config('tag', 'dropoff'));
  55. // @fixme should we use the cutoff too? Doesn't help with indexing per-user.
  56. $qry = 'SELECT notice_tag.tag, '.
  57. $weightexpr . ' as weight ' .
  58. 'FROM notice_tag JOIN notice ' .
  59. 'ON notice_tag.notice_id = notice.id ' .
  60. 'WHERE notice.profile_id = %d ' .
  61. 'GROUP BY notice_tag.tag ' .
  62. 'ORDER BY weight DESC ';
  63. $limit = TAGS_PER_SECTION;
  64. $offset = 0;
  65. if (common_config('db','type') == 'pgsql') {
  66. $qry .= ' LIMIT ' . $limit . ' OFFSET ' . $offset;
  67. } else {
  68. $qry .= ' LIMIT ' . $offset . ', ' . $limit;
  69. }
  70. $tag = Memcached_DataObject::cachedQuery('Notice_tag',
  71. sprintf($qry,
  72. $this->profile->getID()),
  73. 3600);
  74. return $tag;
  75. }
  76. }