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| 1 | <?php |
| 2 | /** |
| 3 | * |
| 4 | * This file is part of the phpBB Forum Software package. |
| 5 | * |
| 6 | * @copyright (c) phpBB Limited <https://www.phpbb.com> |
| 7 | * @license GNU General Public License, version 2 (GPL-2.0) |
| 8 | * |
| 9 | * For full copyright and license information, please see |
| 10 | * the docs/CREDITS.txt file. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | namespace phpbb\db\migration\data\v310; |
| 15 | |
| 16 | class softdelete_p1 extends \phpbb\db\migration\migration |
| 17 | { |
| 18 | public function effectively_installed() |
| 19 | { |
| 20 | return $this->db_tools->sql_column_exists($this->table_prefix . 'posts', 'post_visibility'); |
| 21 | } |
| 22 | |
| 23 | public static function depends_on() |
| 24 | { |
| 25 | return array('\phpbb\db\migration\data\v310\dev'); |
| 26 | } |
| 27 | |
| 28 | public function update_schema() |
| 29 | { |
| 30 | return array( |
| 31 | 'add_columns' => array( |
| 32 | $this->table_prefix . 'forums' => array( |
| 33 | 'forum_posts_approved' => array('UINT', 0), |
| 34 | 'forum_posts_unapproved' => array('UINT', 0), |
| 35 | 'forum_posts_softdeleted' => array('UINT', 0), |
| 36 | 'forum_topics_approved' => array('UINT', 0), |
| 37 | 'forum_topics_unapproved' => array('UINT', 0), |
| 38 | 'forum_topics_softdeleted' => array('UINT', 0), |
| 39 | ), |
| 40 | $this->table_prefix . 'posts' => array( |
| 41 | 'post_visibility' => array('TINT:3', 0), |
| 42 | 'post_delete_time' => array('TIMESTAMP', 0), |
| 43 | 'post_delete_reason' => array('STEXT_UNI', ''), |
| 44 | 'post_delete_user' => array('UINT', 0), |
| 45 | ), |
| 46 | $this->table_prefix . 'topics' => array( |
| 47 | 'topic_visibility' => array('TINT:3', 0), |
| 48 | 'topic_delete_time' => array('TIMESTAMP', 0), |
| 49 | 'topic_delete_reason' => array('STEXT_UNI', ''), |
| 50 | 'topic_delete_user' => array('UINT', 0), |
| 51 | 'topic_posts_approved' => array('UINT', 0), |
| 52 | 'topic_posts_unapproved' => array('UINT', 0), |
| 53 | 'topic_posts_softdeleted' => array('UINT', 0), |
| 54 | ), |
| 55 | ), |
| 56 | 'add_index' => array( |
| 57 | $this->table_prefix . 'posts' => array( |
| 58 | 'post_visibility' => array('post_visibility'), |
| 59 | ), |
| 60 | $this->table_prefix . 'topics' => array( |
| 61 | 'topic_visibility' => array('topic_visibility'), |
| 62 | 'forum_vis_last' => array('forum_id', 'topic_visibility', 'topic_last_post_id'), |
| 63 | ), |
| 64 | ), |
| 65 | ); |
| 66 | } |
| 67 | |
| 68 | public function revert_schema() |
| 69 | { |
| 70 | return array( |
| 71 | 'drop_columns' => array( |
| 72 | $this->table_prefix . 'forums' => array( |
| 73 | 'forum_posts_approved', |
| 74 | 'forum_posts_unapproved', |
| 75 | 'forum_posts_softdeleted', |
| 76 | 'forum_topics_approved', |
| 77 | 'forum_topics_unapproved', |
| 78 | 'forum_topics_softdeleted', |
| 79 | ), |
| 80 | $this->table_prefix . 'posts' => array( |
| 81 | 'post_visibility', |
| 82 | 'post_delete_time', |
| 83 | 'post_delete_reason', |
| 84 | 'post_delete_user', |
| 85 | ), |
| 86 | $this->table_prefix . 'topics' => array( |
| 87 | 'topic_visibility', |
| 88 | 'topic_delete_time', |
| 89 | 'topic_delete_reason', |
| 90 | 'topic_delete_user', |
| 91 | 'topic_posts_approved', |
| 92 | 'topic_posts_unapproved', |
| 93 | 'topic_posts_softdeleted', |
| 94 | ), |
| 95 | ), |
| 96 | 'drop_keys' => array( |
| 97 | $this->table_prefix . 'posts' => array('post_visibility'), |
| 98 | $this->table_prefix . 'topics' => array('topic_visibility', 'forum_vis_last'), |
| 99 | ), |
| 100 | ); |
| 101 | } |
| 102 | |
| 103 | public function update_data() |
| 104 | { |
| 105 | return array( |
| 106 | array('custom', array(array($this, 'update_post_visibility'))), |
| 107 | array('custom', array(array($this, 'update_topic_visibility'))), |
| 108 | array('custom', array(array($this, 'update_topics_post_counts'))), |
| 109 | array('custom', array(array($this, 'update_forums_topic_and_post_counts'))), |
| 110 | |
| 111 | array('permission.add', array('f_softdelete', false)), |
| 112 | array('permission.add', array('m_softdelete', false)), |
| 113 | ); |
| 114 | } |
| 115 | |
| 116 | public function update_post_visibility() |
| 117 | { |
| 118 | $sql = 'UPDATE ' . $this->table_prefix . 'posts |
| 119 | SET post_visibility = post_approved'; |
| 120 | $this->sql_query($sql); |
| 121 | } |
| 122 | |
| 123 | public function update_topic_visibility() |
| 124 | { |
| 125 | $sql = 'UPDATE ' . $this->table_prefix . 'topics |
| 126 | SET topic_visibility = topic_approved'; |
| 127 | $this->sql_query($sql); |
| 128 | } |
| 129 | |
| 130 | public function update_topics_post_counts() |
| 131 | { |
| 132 | /* |
| 133 | * Using sql_case here to avoid "BIGINT UNSIGNED value is out of range" errors. |
| 134 | * As we update all topics in 2 queries, one broken topic would stop the conversion |
| 135 | * for all topics and the suppressed error will cause the admin to not even notice it. |
| 136 | */ |
| 137 | $sql = 'UPDATE ' . $this->table_prefix . 'topics |
| 138 | SET topic_posts_approved = topic_replies + 1, |
| 139 | topic_posts_unapproved = ' . $this->db->sql_case('topic_replies_real > topic_replies', 'topic_replies_real - topic_replies', '0') . ' |
| 140 | WHERE topic_visibility = ' . ITEM_APPROVED; |
| 141 | $this->sql_query($sql); |
| 142 | |
| 143 | $sql = 'UPDATE ' . $this->table_prefix . 'topics |
| 144 | SET topic_posts_approved = 0, |
| 145 | topic_posts_unapproved = (' . $this->db->sql_case('topic_replies_real > topic_replies', 'topic_replies_real - topic_replies', '0') . ') + 1 |
| 146 | WHERE topic_visibility = ' . ITEM_UNAPPROVED; |
| 147 | $this->sql_query($sql); |
| 148 | } |
| 149 | |
| 150 | public function update_forums_topic_and_post_counts($start) |
| 151 | { |
| 152 | $start = (int) $start; |
| 153 | $limit = 10; |
| 154 | $converted_forums = 0; |
| 155 | |
| 156 | if (!$start) |
| 157 | { |
| 158 | // Preserve the forum_posts value for link forums as it represents redirects. |
| 159 | $sql = 'UPDATE ' . $this->table_prefix . 'forums |
| 160 | SET forum_posts_approved = forum_posts |
| 161 | WHERE forum_type = ' . FORUM_LINK; |
| 162 | $this->db->sql_query($sql); |
| 163 | } |
| 164 | |
| 165 | $sql = 'SELECT forum_id, topic_visibility, COUNT(topic_id) AS sum_topics, SUM(topic_posts_approved) AS sum_posts_approved, SUM(topic_posts_unapproved) AS sum_posts_unapproved |
| 166 | FROM ' . $this->table_prefix . 'topics |
| 167 | GROUP BY forum_id, topic_visibility |
| 168 | ORDER BY forum_id, topic_visibility'; |
| 169 | $result = $this->db->sql_query_limit($sql, $limit, $start); |
| 170 | |
| 171 | $update_forums = array(); |
| 172 | while ($row = $this->db->sql_fetchrow($result)) |
| 173 | { |
| 174 | $converted_forums++; |
| 175 | |
| 176 | $forum_id = (int) $row['forum_id']; |
| 177 | if (!isset($update_forums[$forum_id])) |
| 178 | { |
| 179 | $update_forums[$forum_id] = array( |
| 180 | 'forum_posts_approved' => 0, |
| 181 | 'forum_posts_unapproved' => 0, |
| 182 | 'forum_topics_approved' => 0, |
| 183 | 'forum_topics_unapproved' => 0, |
| 184 | ); |
| 185 | } |
| 186 | |
| 187 | $update_forums[$forum_id]['forum_posts_approved'] += (int) $row['sum_posts_approved']; |
| 188 | $update_forums[$forum_id]['forum_posts_unapproved'] += (int) $row['sum_posts_unapproved']; |
| 189 | |
| 190 | $update_forums[$forum_id][(($row['topic_visibility'] == ITEM_APPROVED) ? 'forum_topics_approved' : 'forum_topics_unapproved')] += (int) $row['sum_topics']; |
| 191 | } |
| 192 | $this->db->sql_freeresult($result); |
| 193 | |
| 194 | foreach ($update_forums as $forum_id => $forum_data) |
| 195 | { |
| 196 | $sql = 'UPDATE ' . FORUMS_TABLE . ' |
| 197 | SET ' . $this->db->sql_build_array('UPDATE', $forum_data) . ' |
| 198 | WHERE forum_id = ' . $forum_id; |
| 199 | $this->sql_query($sql); |
| 200 | } |
| 201 | |
| 202 | if ($converted_forums < $limit) |
| 203 | { |
| 204 | // There are no more topics, we are done |
| 205 | return; |
| 206 | } |
| 207 | |
| 208 | // There are still more topics to query, return the next start value |
| 209 | return $start + $limit; |
| 210 | } |
| 211 | } |