| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | CiviCRM version 4.4 | |
| 5 | +--------------------------------------------------------------------+ |
| 6 | | Copyright CiviCRM LLC (c) 2004-2013 | |
| 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 | +--------------------------------------------------------------------+ |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * |
| 30 | * @package CRM |
| 31 | * @copyright CiviCRM LLC (c) 2004-2013 |
| 32 | * $Id$ |
| 33 | * |
| 34 | */ |
| 35 | |
| 36 | /** |
| 37 | * The CiviCRM duplicate discovery engine is based on an |
| 38 | * algorithm designed by David Strauss <david@fourkitchens.com>. |
| 39 | */ |
| 40 | class CRM_Dedupe_Finder { |
| 41 | |
| 42 | /** |
| 43 | * Return a contact_id-keyed array of arrays of possible dupes |
| 44 | * (of the key contact_id) - limited to dupes of $cids if provided. |
| 45 | * |
| 46 | * @param int $rgid rule group id |
| 47 | * @param array $cids contact ids to limit the search to |
| 48 | * |
| 49 | * @return array array of (cid1, cid2, weight) dupe triples |
| 50 | */ |
| 51 | static function dupes($rgid, $cids = array( |
| 52 | )) { |
| 53 | $rgBao = new CRM_Dedupe_BAO_RuleGroup(); |
| 54 | $rgBao->id = $rgid; |
| 55 | $rgBao->contactIds = $cids; |
| 56 | if (!$rgBao->find(TRUE)) { |
| 57 | CRM_Core_Error::fatal("Dedupe rule not found for selected contacts"); |
| 58 | } |
| 59 | |
| 60 | $rgBao->fillTable(); |
| 61 | $dao = new CRM_Core_DAO(); |
| 62 | $dao->query($rgBao->thresholdQuery()); |
| 63 | $dupes = array(); |
| 64 | while ($dao->fetch()) { |
| 65 | $dupes[] = array($dao->id1, $dao->id2, $dao->weight); |
| 66 | } |
| 67 | $dao->query($rgBao->tableDropQuery()); |
| 68 | |
| 69 | return $dupes; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Return an array of possible dupes, based on the provided array of |
| 74 | * params, using the default rule group for the given contact type and |
| 75 | * usage. |
| 76 | * |
| 77 | * check_permission is a boolean flag to indicate if permission should be considered. |
| 78 | * default is to always check permissioning but public pages for example might not want |
| 79 | * permission to be checked for anonymous users. Refer CRM-6211. We might be beaking |
| 80 | * Multi-Site dedupe for public pages. |
| 81 | * |
| 82 | * @param array $params array of params of the form $params[$table][$field] == $value |
| 83 | * @param string $ctype contact type to match against |
| 84 | * @param string $used dedupe rule group usage ('Unsupervised' or 'Supervised' or 'General') |
| 85 | * @param array $except array of contacts that shouldn't be considered dupes |
| 86 | * @param int $ruleGroupID the id of the dedupe rule we should be using |
| 87 | * |
| 88 | * @return array matching contact ids |
| 89 | */ |
| 90 | static function dupesByParams($params, |
| 91 | $ctype, |
| 92 | $used = 'Unsupervised', |
| 93 | $except = array(), |
| 94 | $ruleGroupID = NULL |
| 95 | ) { |
| 96 | // If $params is empty there is zero reason to proceed. |
| 97 | if (!$params) { |
| 98 | return array(); |
| 99 | } |
| 100 | |
| 101 | $foundByID = FALSE; |
| 102 | if ($ruleGroupID) { |
| 103 | $rgBao = new CRM_Dedupe_BAO_RuleGroup(); |
| 104 | $rgBao->id = $ruleGroupID; |
| 105 | $rgBao->contact_type = $ctype; |
| 106 | if ($rgBao->find(TRUE)) { |
| 107 | $foundByID = TRUE; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | if (!$foundByID) { |
| 112 | $rgBao = new CRM_Dedupe_BAO_RuleGroup(); |
| 113 | $rgBao->contact_type = $ctype; |
| 114 | $rgBao->used = $used; |
| 115 | if (!$rgBao->find(TRUE)) { |
| 116 | CRM_Core_Error::fatal("$used rule for $ctype does not exist"); |
| 117 | } |
| 118 | } |
| 119 | $params['check_permission'] = CRM_Utils_Array::value('check_permission', $params, TRUE); |
| 120 | |
| 121 | $rgBao->params = $params; |
| 122 | $rgBao->fillTable(); |
| 123 | $dao = new CRM_Core_DAO(); |
| 124 | $dao->query($rgBao->thresholdQuery($params['check_permission'])); |
| 125 | $dupes = array(); |
| 126 | while ($dao->fetch()) { |
| 127 | if (isset($dao->id) && $dao->id) { |
| 128 | $dupes[] = $dao->id; |
| 129 | } |
| 130 | } |
| 131 | $dao->query($rgBao->tableDropQuery()); |
| 132 | return array_diff($dupes, $except); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Return a contact_id-keyed array of arrays of possible dupes in the given group. |
| 137 | * |
| 138 | * @param int $rgid rule group id |
| 139 | * @param int $gid contact group id (currently, works only with non-smart groups) |
| 140 | * |
| 141 | * @return array array of (cid1, cid2, weight) dupe triples |
| 142 | */ |
| 143 | static function dupesInGroup($rgid, $gid) { |
| 144 | $cids = array_keys(CRM_Contact_BAO_Group::getMember($gid)); |
| 145 | if ( !empty($cids) ) { |
| 146 | return self::dupes($rgid, $cids); |
| 147 | } |
| 148 | return array(); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Return dupes of a given contact, using the default rule group (of a provided usage). |
| 153 | * |
| 154 | * @param int $cid contact id of the given contact |
| 155 | * @param string $used dedupe rule group usage ('Unsupervised' or 'Supervised' or 'General') |
| 156 | * @param string $ctype contact type of the given contact |
| 157 | * |
| 158 | * @return array array of dupe contact_ids |
| 159 | */ |
| 160 | static function dupesOfContact($cid, $used = 'Unsupervised', $ctype = NULL) { |
| 161 | // if not provided, fetch the contact type from the database |
| 162 | if (!$ctype) { |
| 163 | $dao = new CRM_Contact_DAO_Contact(); |
| 164 | $dao->id = $cid; |
| 165 | if (!$dao->find(TRUE)) { |
| 166 | CRM_Core_Error::fatal("contact id of $cid does not exist"); |
| 167 | } |
| 168 | $ctype = $dao->contact_type; |
| 169 | } |
| 170 | $rgBao = new CRM_Dedupe_BAO_RuleGroup(); |
| 171 | $rgBao->used = $used; |
| 172 | $rgBao->contact_type = $ctype; |
| 173 | if (!$rgBao->find(TRUE)) { |
| 174 | CRM_Core_Error::fatal("$used rule for $ctype does not exist"); |
| 175 | } |
| 176 | $dupes = self::dupes($rgBao->id, array($cid)); |
| 177 | |
| 178 | // get the dupes for this cid |
| 179 | $result = array(); |
| 180 | foreach ($dupes as $dupe) { |
| 181 | if ($dupe[0] == $cid) { |
| 182 | $result[] = $dupe[1]; |
| 183 | } |
| 184 | elseif ($dupe[1] == $cid) { |
| 185 | $result[] = $dupe[0]; |
| 186 | } |
| 187 | } |
| 188 | return $result; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * A hackish function needed to massage CRM_Contact_Form_$ctype::formRule() |
| 193 | * object into a valid $params array for dedupe |
| 194 | * |
| 195 | * @param array $fields contact structure from formRule() |
| 196 | * @param string $ctype contact type of the given contact |
| 197 | * |
| 198 | * @return array valid $params array for dedupe |
| 199 | */ |
| 200 | static function formatParams($fields, $ctype) { |
| 201 | $flat = array(); |
| 202 | CRM_Utils_Array::flatten($fields, $flat); |
| 203 | |
| 204 | // FIXME: This may no longer be necessary - check inputs |
| 205 | $replace_these = array( |
| 206 | 'individual_prefix' => 'prefix_id', |
| 207 | 'individual_suffix' => 'suffix_id', |
| 208 | 'gender' => 'gender_id', |
| 209 | ); |
| 210 | foreach (array('individual_suffix', 'individual_prefix', 'gender') as $name) { |
| 211 | if (CRM_Utils_Array::value($name, $fields)) { |
| 212 | $flat[$replace_these[$name]] = $flat[$name]; |
| 213 | unset($flat[$name]); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | // handle {birth,deceased}_date |
| 218 | foreach (array( |
| 219 | 'birth_date', 'deceased_date') as $date) { |
| 220 | if (CRM_Utils_Array::value($date, $fields)) { |
| 221 | $flat[$date] = $fields[$date]; |
| 222 | if (is_array($flat[$date])) { |
| 223 | $flat[$date] = CRM_Utils_Date::format($flat[$date]); |
| 224 | } |
| 225 | $flat[$date] = CRM_Utils_Date::processDate($flat[$date]); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | if (CRM_Utils_Array::value('contact_source', $flat)) { |
| 230 | $flat['source'] = $flat['contact_source']; |
| 231 | unset($flat['contact_source']); |
| 232 | } |
| 233 | |
| 234 | // handle preferred_communication_method |
| 235 | if (array_key_exists('preferred_communication_method', $fields)) { |
| 236 | $methods = array_intersect($fields['preferred_communication_method'], array('1')); |
| 237 | $methods = array_keys($methods); |
| 238 | sort($methods); |
| 239 | if ($methods) { |
| 240 | $flat['preferred_communication_method'] = CRM_Core_DAO::VALUE_SEPARATOR . implode(CRM_Core_DAO::VALUE_SEPARATOR, $methods) . CRM_Core_DAO::VALUE_SEPARATOR; |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | // handle custom data |
| 245 | $tree = CRM_Core_BAO_CustomGroup::getTree($ctype, CRM_Core_DAO::$_nullObject, NULL, -1); |
| 246 | CRM_Core_BAO_CustomGroup::postProcess($tree, $fields, TRUE); |
| 247 | foreach ($tree as $key => $cg) { |
| 248 | if (!is_int($key)) { |
| 249 | continue; |
| 250 | } |
| 251 | foreach ($cg['fields'] as $cf) { |
| 252 | $flat[$cf['column_name']] = CRM_Utils_Array::value('data', $cf['customValue']); |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | // if the key is dotted, keep just the last part of it |
| 257 | foreach ($flat as $key => $value) { |
| 258 | if (substr_count($key, '.')) { |
| 259 | $last = explode('.', $key); |
| 260 | $last = array_pop($last); |
| 261 | // make sure the first occurence is kept, not the last |
| 262 | if (!isset($flat[$last])) { |
| 263 | $flat[$last] = $value; |
| 264 | } |
| 265 | unset($flat[$key]); |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | // drop the -digit (and -Primary, for CRM-3902) postfixes (so event registration's $flat['email-5'] becomes $flat['email']) |
| 270 | // FIXME: CRM-5026 should be fixed here; the below clobbers all address info; we should split off address fields and match |
| 271 | // the -digit to civicrm_address.location_type_id and -Primary to civicrm_address.is_primary |
| 272 | foreach ($flat as $key => $value) { |
| 273 | $matches = array(); |
| 274 | if (preg_match('/(.*)-(\d+|Primary)$/', $key, $matches)) { |
| 275 | $flat[$matches[1]] = $value; |
| 276 | unset($flat[$key]); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | $params = array(); |
| 281 | $supportedFields = CRM_Dedupe_BAO_RuleGroup::supportedFields($ctype); |
| 282 | if (is_array($supportedFields)) { |
| 283 | foreach ($supportedFields as $table => $fields) { |
| 284 | if ($table == 'civicrm_address') { |
| 285 | // for matching on civicrm_address fields, we also need the location_type_id |
| 286 | $fields['location_type_id'] = ''; |
| 287 | // FIXME: we also need to do some hacking for id and name fields, see CRM-3902’s comments |
| 288 | $fixes = array( |
| 289 | 'address_name' => 'name', 'country' => 'country_id', |
| 290 | 'state_province' => 'state_province_id', 'county' => 'county_id', |
| 291 | ); |
| 292 | foreach ($fixes as $orig => $target) { |
| 293 | if (CRM_Utils_Array::value($orig, $flat)) { |
| 294 | $params[$table][$target] = $flat[$orig]; |
| 295 | } |
| 296 | } |
| 297 | } |
| 298 | foreach ($fields as $field => $title) { |
| 299 | if (CRM_Utils_Array::value($field, $flat)) { |
| 300 | $params[$table][$field] = $flat[$field]; |
| 301 | } |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | return $params; |
| 306 | } |
| 307 | } |
| 308 | |