Commit | Line | Data |
---|---|---|
6a488035 TO |
1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
7e9e8871 | 4 | | CiviCRM version 4.7 | |
6a488035 | 5 | +--------------------------------------------------------------------+ |
0f03f337 | 6 | | Copyright CiviCRM LLC (c) 2004-2017 | |
6a488035 TO |
7 | +--------------------------------------------------------------------+ |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
d25dd0ee | 26 | */ |
6a488035 TO |
27 | |
28 | /** | |
29 | * | |
30 | * @package CRM | |
0f03f337 | 31 | * @copyright CiviCRM LLC (c) 2004-2017 |
6a488035 TO |
32 | */ |
33 | class CRM_Logging_Reverter { | |
34 | private $db; | |
35 | private $log_conn_id; | |
430ae6dd TO |
36 | private $log_date; |
37 | ||
93afbc3a | 38 | /** |
39 | * The diffs to be reverted. | |
40 | * | |
41 | * @var array | |
42 | */ | |
43 | private $diffs = array(); | |
44 | ||
e0ef6999 | 45 | /** |
3b45d110 | 46 | * Class constructor. |
47 | * | |
48 | * @param string $log_conn_id | |
e0ef6999 EM |
49 | * @param $log_date |
50 | */ | |
00be9182 | 51 | public function __construct($log_conn_id, $log_date) { |
353ffa53 TO |
52 | $dsn = defined('CIVICRM_LOGGING_DSN') ? DB::parseDSN(CIVICRM_LOGGING_DSN) : DB::parseDSN(CIVICRM_DSN); |
53 | $this->db = $dsn['database']; | |
6a488035 | 54 | $this->log_conn_id = $log_conn_id; |
353ffa53 | 55 | $this->log_date = $log_date; |
6a488035 TO |
56 | } |
57 | ||
e0ef6999 | 58 | /** |
89f6247f | 59 | * |
93afbc3a | 60 | * Calculate a set of diffs based on the connection_id and changes at a close time. |
61 | * | |
62 | * @param array $tables | |
63 | */ | |
64 | public function calculateDiffsFromLogConnAndDate($tables) { | |
65 | $differ = new CRM_Logging_Differ($this->log_conn_id, $this->log_date); | |
66 | $this->diffs = $differ->diffsInTables($tables); | |
67 | } | |
68 | ||
8246bca4 | 69 | /** |
70 | * Setter for diffs. | |
71 | * | |
72 | * @param array $diffs | |
73 | */ | |
93afbc3a | 74 | public function setDiffs($diffs) { |
75 | $this->diffs = $diffs; | |
76 | } | |
77 | ||
78 | /** | |
79 | * Revert changes in the array of diffs in $this->diffs. | |
e0ef6999 | 80 | */ |
93afbc3a | 81 | public function revert() { |
6a488035 TO |
82 | |
83 | // get custom data tables, columns and types | |
84 | $ctypes = array(); | |
85 | $dao = CRM_Core_DAO::executeQuery('SELECT table_name, column_name, data_type FROM civicrm_custom_group cg JOIN civicrm_custom_field cf ON (cf.custom_group_id = cg.id)'); | |
86 | while ($dao->fetch()) { | |
87 | if (!isset($ctypes[$dao->table_name])) { | |
88 | $ctypes[$dao->table_name] = array('entity_id' => 'Integer'); | |
89 | } | |
90 | $ctypes[$dao->table_name][$dao->column_name] = $dao->data_type; | |
91 | } | |
92 | ||
93afbc3a | 93 | $diffs = $this->diffs; |
6a488035 TO |
94 | $deletes = array(); |
95 | $reverts = array(); | |
96 | foreach ($diffs as $table => $changes) { | |
97 | foreach ($changes as $change) { | |
98 | switch ($change['action']) { | |
99 | case 'Insert': | |
100 | if (!isset($deletes[$table])) { | |
101 | $deletes[$table] = array(); | |
102 | } | |
103 | $deletes[$table][] = $change['id']; | |
104 | break; | |
105 | ||
106 | case 'Delete': | |
107 | case 'Update': | |
108 | if (!isset($reverts[$table])) { | |
109 | $reverts[$table] = array(); | |
110 | } | |
111 | if (!isset($reverts[$table][$change['id']])) { | |
112 | $reverts[$table][$change['id']] = array('log_action' => $change['action']); | |
113 | } | |
114 | $reverts[$table][$change['id']][$change['field']] = $change['from']; | |
115 | break; | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
120 | // revert inserts by deleting | |
121 | foreach ($deletes as $table => $ids) { | |
122 | CRM_Core_DAO::executeQuery("DELETE FROM `$table` WHERE id IN (" . implode(', ', array_unique($ids)) . ')'); | |
123 | } | |
809ed7ad | 124 | |
6a488035 TO |
125 | // revert updates by updating to previous values |
126 | foreach ($reverts as $table => $row) { | |
127 | switch (TRUE) { | |
128 | // DAO-based tables | |
129 | ||
89f6247f | 130 | case (($tableDAO = CRM_Core_DAO_AllCoreTables::getClassForTable($table)) != FALSE): |
131 | $dao = new $tableDAO (); | |
6a488035 TO |
132 | foreach ($row as $id => $changes) { |
133 | $dao->id = $id; | |
134 | foreach ($changes as $field => $value) { | |
135 | if ($field == 'log_action') { | |
136 | continue; | |
137 | } | |
138 | if (empty($value) and $value !== 0 and $value !== '0') { | |
139 | $value = 'null'; | |
140 | } | |
809ed7ad | 141 | // Date reaches this point in ISO format (possibly) so strip out stuff |
142 | // if it does have hyphens of colons demarking the date & it regexes as being a date | |
143 | // or datetime format. | |
144 | if (preg_match('/(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})/', $value)) { | |
145 | $value = str_replace('-', '', $value); | |
146 | $value = str_replace(':', '', $value); | |
147 | } | |
6a488035 TO |
148 | $dao->$field = $value; |
149 | } | |
150 | $changes['log_action'] == 'Delete' ? $dao->insert() : $dao->update(); | |
809ed7ad | 151 | |
6a488035 TO |
152 | $dao->reset(); |
153 | } | |
154 | break; | |
ea100cb5 | 155 | |
6a488035 TO |
156 | // custom data tables |
157 | ||
158 | case in_array($table, array_keys($ctypes)): | |
159 | foreach ($row as $id => $changes) { | |
160 | $inserts = array('id' => '%1'); | |
161 | $updates = array(); | |
353ffa53 | 162 | $params = array(1 => array($id, 'Integer')); |
6a488035 TO |
163 | $counter = 2; |
164 | foreach ($changes as $field => $value) { | |
165 | // don’t try reverting a field that’s no longer there | |
166 | if (!isset($ctypes[$table][$field])) { | |
167 | continue; | |
168 | } | |
a6bb4cee | 169 | $fldVal = "%{$counter}"; |
6a488035 TO |
170 | switch ($ctypes[$table][$field]) { |
171 | case 'Date': | |
172 | $value = substr(CRM_Utils_Date::isoToMysql($value), 0, 8); | |
173 | break; | |
174 | ||
175 | case 'Timestamp': | |
176 | $value = CRM_Utils_Date::isoToMysql($value); | |
177 | break; | |
a6bb4cee | 178 | |
179 | case 'Boolean': | |
180 | if ($value === '') { | |
181 | $fldVal = 'DEFAULT'; | |
182 | } | |
6a488035 | 183 | } |
353ffa53 | 184 | $inserts[$field] = "%$counter"; |
a6bb4cee | 185 | $updates[] = "{$field} = {$fldVal}"; |
186 | if ($fldVal != 'DEFAULT') { | |
187 | $params[$counter] = array($value, $ctypes[$table][$field]); | |
188 | } | |
6a488035 TO |
189 | $counter++; |
190 | } | |
191 | if ($changes['log_action'] == 'Delete') { | |
192 | $sql = "INSERT INTO `$table` (" . implode(', ', array_keys($inserts)) . ') VALUES (' . implode(', ', $inserts) . ')'; | |
193 | } | |
194 | else { | |
195 | $sql = "UPDATE `$table` SET " . implode(', ', $updates) . ' WHERE id = %1'; | |
196 | } | |
197 | CRM_Core_DAO::executeQuery($sql, $params); | |
198 | } | |
199 | break; | |
200 | } | |
201 | } | |
202 | ||
6a488035 | 203 | } |
96025800 | 204 | |
6a488035 | 205 | } |