dev/core#1597 & dev/core#1595 fix regression when deduping on custom fields

CRM/Dedupe/BAO/Rule.php

@@ -58,15 +58,13 @@ public function sql() {
     // full matches, respectively)
     $where = [];
     $on = ["SUBSTR(t1.{$this->rule_field}, 1, {$this->rule_length}) = SUBSTR(t2.{$this->rule_field}, 1, {$this->rule_length})"];
-    $entity = CRM_Core_DAO_AllCoreTables::getBriefName(CRM_Core_DAO_AllCoreTables::getClassForTable($this->rule_table));
-    $fields = civicrm_api3($entity, 'getfields', ['action' => 'create'])['values'];
 
     $innerJoinClauses = [
       "t1.{$this->rule_field} IS NOT NULL",
       "t2.{$this->rule_field} IS NOT NULL",
       "t1.{$this->rule_field} = t2.{$this->rule_field}",
     ];
-    if ($fields[$this->rule_field]['type'] === CRM_Utils_Type::T_DATE) {
+    if ($this->getFieldType($this->rule_field) === CRM_Utils_Type::T_DATE) {
       $innerJoinClauses[] = "t1.{$this->rule_field} > '1000-01-01'";
       $innerJoinClauses[] = "t2.{$this->rule_field} > '1000-01-01'";
     }
@@ -238,4 +236,26 @@ public static function validateContacts($cid, $oid) {
     return $exception->find(TRUE) ? FALSE : TRUE;
   }
 
+  /**
+   * Get the specification for the given field.
+   *
+   * @param string $fieldName
+   *
+   * @return array
+   * @throws \CiviCRM_API3_Exception
+   */
+  public function getFieldType($fieldName) {
+    $entity = CRM_Core_DAO_AllCoreTables::getBriefName(CRM_Core_DAO_AllCoreTables::getClassForTable($this->rule_table));
+    if (!$entity) {
+      // This means we have stored a custom field rather than an entity name in rule_table, figure out the entity.
+      $entity = civicrm_api3('CustomGroup', 'getvalue', ['table_name' => $this->rule_table, 'return' => 'extends']);
+      if (in_array($entity, ['Individual', 'Household', 'Organization'])) {
+        $entity = 'Contact';
+      }
+      $fieldName = 'custom_' . civicrm_api3('CustomField', 'getvalue', ['column_name' => $fieldName, 'return' => 'id']);
+    }
+    $fields = civicrm_api3($entity, 'getfields', ['action' => 'create'])['values'];
+    return $fields[$fieldName]['type'];
+  }
+
 }

tests/phpunit/CRM/Dedupe/DedupeFinderTest.php

@@ -6,6 +6,7 @@
  */
 class CRM_Dedupe_DedupeFinderTest extends CiviUnitTestCase {
 
+  use CRMTraits_Custom_CustomDataTrait;
   /**
    * IDs of created contacts.
    *
@@ -31,6 +32,10 @@ public function tearDown() {
     if ($this->groupID) {
       $this->callAPISuccess('group', 'delete', ['id' => $this->groupID]);
     }
+    $this->quickCleanup(['civicrm_contact'], TRUE);
+    CRM_Core_DAO::executeQuery("DELETE r FROM civicrm_dedupe_rule_group rg INNER JOIN civicrm_dedupe_rule r ON rg.id = r.dedupe_rule_group_id WHERE rg.is_reserved = 0 AND used = 'General'");
+    CRM_Core_DAO::executeQuery("DELETE FROM civicrm_dedupe_rule_group WHERE is_reserved = 0 AND used = 'General'");
+
     parent::tearDown();
   }
 
@@ -88,15 +93,7 @@ public function testUnsupervisedWithTwoEmailFields() {
   public function testCustomRule() {
     $this->setupForGroupDedupe();
 
-    $ruleGroup = $this->callAPISuccess('RuleGroup', 'create', [
-      'contact_type' => 'Individual',
-      'threshold' => 8,
-      'used' => 'General',
-      'name' => 'TestRule',
-      'title' => 'TestRule',
-      'is_reserved' => 0,
-    ]);
-    $rules = [];
+    $ruleGroup = $this->createRuleGroup();
     foreach (['birth_date', 'first_name', 'last_name'] as $field) {
       $rules[$field] = $this->callAPISuccess('Rule', 'create', [
         'dedupe_rule_group_id' => $ruleGroup['id'],
@@ -111,6 +108,25 @@ public function testCustomRule() {
 
   }
 
+  /**
+   * Test that we do not get a fatal error when our rule group is a custom date field.
+   *
+   * @throws \CRM_Core_Exception
+   */
+  public function testCustomRuleCustomDateField() {
+
+    $ruleGroup = $this->createRuleGroup();
+    $this->createCustomGroupWithFieldOfType([], 'date');
+    $this->callAPISuccess('Rule', 'create', [
+      'dedupe_rule_group_id' => $ruleGroup['id'],
+      'rule_table' => $this->getCustomGroupTable(),
+      'rule_weight' => 4,
+      'rule_field' => $this->getCustomFieldColumnName('date'),
+    ]);
+
+    CRM_Dedupe_Finder::dupes($ruleGroup['id']);
+  }
+
   /**
    * Test a custom rule with a non-default field.
    */
@@ -173,15 +189,7 @@ public function testRuleThreeContactFieldsEqualWeightWIthThresholdtheTotalSumOfA
   public function testInclusiveRule() {
     $this->setupForGroupDedupe();
 
-    $ruleGroup = $this->callAPISuccess('RuleGroup', 'create', [
-      'contact_type' => 'Individual',
-      'threshold' => 8,
-      'used' => 'General',
-      'name' => 'TestRule',
-      'title' => 'TestRule',
-      'is_reserved' => 0,
-    ]);
-    $rules = [];
+    $ruleGroup = $this->createRuleGroup();
     foreach (['first_name', 'last_name'] as $field) {
       $rules[$field] = $this->callAPISuccess('Rule', 'create', [
         'dedupe_rule_group_id' => $ruleGroup['id'],
@@ -424,4 +432,20 @@ protected function setupForGroupDedupe() {
     $this->assertEquals(count($this->contactIDs), 7, 'Check for number of contacts.');
   }
 
+  /**
+   * @return array|int
+   * @throws \CRM_Core_Exception
+   */
+  protected function createRuleGroup() {
+    $ruleGroup = $this->callAPISuccess('RuleGroup', 'create', [
+      'contact_type' => 'Individual',
+      'threshold' => 8,
+      'used' => 'General',
+      'name' => 'TestRule',
+      'title' => 'TestRule',
+      'is_reserved' => 0,
+    ]);
+    return $ruleGroup;
+  }
+
 }