94 lines
3.7 KiB
PHP
94 lines
3.7 KiB
PHP
<?php
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/*------------------------------------------------------------+
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| SYSTOPIA Twingle Integration |
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| Copyright (C) 2019 SYSTOPIA |
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| Author: B. Endres (endres@systopia.de) |
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+-------------------------------------------------------------+
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| This program is released as free software under the |
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| Affero GPL license. You can redistribute it and/or |
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| modify it under the terms of this license which you |
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| can read by viewing the included agpl.txt or online |
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| at www.gnu.org/licenses/agpl.html. Removal of this |
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| copyright header is strictly prohibited without |
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| written permission from the original author(s). |
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+-------------------------------------------------------------*/
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use CRM_Twingle_ExtensionUtil as E;
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class CRM_Twingle_Tools {
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/**
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* This flag can be used to temporarily suspend twingle protection
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* @var bool
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*/
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public static $protection_suspended = FALSE;
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/**
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* Check if the attempted modification of the recurring contribution is allowed.
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* If not, an exception will be raised
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*
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* @param $recurring_contribution_id int
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* @param $change array
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* @throws Exception if the change is not allowed
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*/
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public static function checkRecurringContributionChange($recurring_contribution_id, $change) {
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// check if a change to the status is planned
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if (empty($change['contribution_status_id'])) return;
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// check if the target status is not closed
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if (in_array($change['contribution_status_id'], [2,5])) return;
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// check if we're suspended
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if (self::$protection_suspended) return;
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// currently only works with prefixes
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$prefix = Civi::settings()->get('twingle_prefix');
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if (empty($prefix)) return;
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// check if protection is turned on
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$protection_on = Civi::settings()->get('twingle_protect_recurring');
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if (empty($protection_on)) return;
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// load the recurring contribution
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$recurring_contribution = civicrm_api3('ContributionRecur', 'getsingle', [
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'return' => 'trxn_id,contribution_status_id,payment_instrument_id',
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'id' => $recurring_contribution_id]);
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// check if this is a SEPA transaction
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//if (self::isSDD($recurring_contribution['payment_instrument_id'])) return;
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// check if it's really a termination (i.e. current status is 2 or 5)
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if (!in_array($recurring_contribution['contribution_status_id'], [2,5])) return;
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// check if it's a Twingle contribution
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if (substr($recurring_contribution['trxn_id'], 0, strlen($prefix)) == $prefix) {
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// this is a Twingle contribution that is about to be terminated
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throw new Exception(E::ts("This is a Twingle recurring contribution. It should be terminated through the Twingle interface, otherwise it will still be collected."));
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}
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}
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/**
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* Check if the given payment instrument is SEPA
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*
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* @param $payment_instrument_id string payment instrument
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* @return boolean
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*/
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public static function isSDD($payment_instrument_id) {
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static $sepa_payment_instruments = NULL;
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if ($sepa_payment_instruments === NULL) {
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// init with instrument names
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$sepa_payment_instruments = ['FRST', 'RCUR', 'OOFF'];
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// lookup and add instrument IDs
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$lookup = civicrm_api3('OptionValue', 'get', [
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'option_group_id' => 'payment_instrument',
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'name' => ['IN' => $sepa_payment_instruments],
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'return' => 'value'
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]);
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foreach ($lookup['values'] as $payment_instrument) {
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$sepa_payment_instruments[] = $payment_instrument['value'];
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}
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}
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return in_array($payment_instrument_id, $sepa_payment_instruments);
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}
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}
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