function preProcess()
{
$this->setDefaults(array('hh_mode' => CRM_Householdmerge_Logic_Configuration::getHouseholdMode(), 'hh_head_mode' => CRM_Householdmerge_Logic_Configuration::getHouseholdHeadMode(), 'hh_member_relation' => CRM_Householdmerge_Logic_Configuration::getHeadRelationID(), 'hh_head_relation' => CRM_Householdmerge_Logic_Configuration::getMemberRelationID()));
}
/**
* Identify the contact to be considered the HEAD under the given member_data objects
*
* @return int contact_id of the head
*/
protected function identifyHead(&$members)
{
$method = CRM_Householdmerge_Logic_Configuration::getHouseholdHeadMode();
if ($method == 'topdonor2y_m') {
// init donations array
$donations = array();
foreach ($members as $member_id => $member) {
$donations[$member_id] = 0;
}
$contact_ids = implode(',', array_keys($members));
$td_amounts_sql = "\n SELECT contact_id AS contact_id, \n SUM(total_amount) AS amount\n FROM civicrm_contribution\n WHERE contact_id IN ({$contact_ids})\n AND (is_test IS NULL OR is_test = 0)\n AND (contribution_status_id = 1)\n AND (receive_date BETWEEN (NOW() - INTERVAL 2 YEAR) AND NOW())\n GROUP BY contact_id;\n ";
$td_amounts = CRM_Core_DAO::executeQuery($td_amounts_sql);
while ($td_amounts->fetch()) {
$donations[$td_amounts->contact_id] = $td_amounts->amount;
}
// now determin the head
$topdonor_id = NULL;
$topdonor_amount = NULL;
foreach ($donations as $member_id => $donation_amount) {
if ($donation_amount > $topdonor_amount || $topdonor_amount === NULL) {
$topdonor_id = $member_id;
$topdonor_amount = $donation_amount;
} elseif ($donation_amount == $topdonor_amount) {
if ($members[$member_id]['gender_id'] == 2) {
// if donor has same amount and is male => take over
$topdonor_id = $member_id;
$topdonor_amount = $donation_amount;
}
}
}
// now $topdonor_id should be the HEAD
return $topdonor_id;
} else {
error_log("UNDEFINED METHOD TO DETERMINE HEAD: {$method}");
return reset(array_keys($members));
}
}