added condition FirstContribution

CRM/Civirules/Upgrader.php

@@ -22,6 +22,7 @@ class CRM_Civirules_Upgrader extends CRM_Civirules_Upgrader_Base {
     $this->addCondition('CRM_CivirulesConditions_PrimaryEmailChanged', 'primary_email_changed', ts('Primary e-mail addres is changed'));
     $this->addCondition('CRM_CivirulesConditions_AgeComparison', 'age_comparison', ts('Age comparison'));
     $this->addCondition('CRM_CivirulesConditions_BirthdayChanged', 'birthday_changed', ts('Birthday changed'));
+    $this->addCondition('CRM_CivirulesConditions_FirstContribution', 'first_contribution_of_contact', ts('First Contribution of a Contact'));
 
     $this->addAction('CRM_CivirulesActions_GroupContact', 'GroupContact', 'Add contact to group', 'GroupContact', 'create');
   }

CRM/CivirulesConditions/FirstContribution.php

+<?php
+/**
+ * Class for CiviRule Condition FirstContribution
+ *
+ * @author Erik Hommel (CiviCooP) <erik.hommel@civicoop.org>
+ * @license http://www.gnu.org/licenses/agpl-3.0.html
+ */
+
+class CRM_CivirulesConditions_FirstContribution extends CRM_Civirules_Condition {
+
+  /**
+   * Method is mandatory and checks if the condition is met
+   *
+   * @param CRM_Civirules_EventData_EventData $eventData
+   * @return bool
+   * @access public
+   */
+  public function isConditionValid(CRM_Civirules_EventData_EventData $eventData)
+  {
+    $contactId = $eventData->getContactId();
+    $contributionParams = array('contact_id' => $contactId);
+    $countContributions = civicrm_api3('Contribution', 'getcount', $contributionParams);
+    switch ($countContributions) {
+      case 0:
+        return TRUE;
+        break;
+      case 1:
+        $existingContribution = civicrm_api3('Contribution', 'Getsingle', array('contact_id' => $contactId));
+        $eventContribution = $eventData->getEntityData('Contribution');
+        if ($eventContribution['contribution_id'] == $existingContribution['contribution_id']) {
+          return TRUE;
+        }
+      break;
+      default:
+        return FALSE;
+      break;
+    }
+  }
+
+  /**
+   * Method is mandatory, in this case no additional data input is required
+   * so it returns FALSE
+   *
+   * @param int $ruleConditionId
+   * @return bool
+   * @access public
+   */
+  public function getExtraDataInputUrl($ruleConditionId) {
+    return FALSE;
+  }
+
+  /**
+   * Returns an array with required entity names
+   *
+   * @return array
+   * @access public
+   */
+  public function requiredEntities() {
+    return array('Contribution');
+  }
+}
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