More code for the split journal support.

app/Handlers/Events/ConnectTransactionToPiggyBank.php

@@ -0,0 +1,68 @@
+<?php
+/**
+ * ConnectTransactionToPiggyBank.php
+ * Copyright (C) 2016 thegrumpydictator@gmail.com
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+declare(strict_types = 1);
+
+namespace FireflyIII\Handlers\Events;
+
+use FireflyIII\Events\TransactionJournalStored;
+use FireflyIII\Events\TransactionStored;
+use FireflyIII\Models\PiggyBankEvent;
+use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
+
+/**
+ * Class ConnectTransactionToPiggyBank
+ *
+ * @package FireflyIII\Handlers\Events
+ */
+class ConnectTransactionToPiggyBank
+{
+
+    /**
+     * Connect a new transaction journal to any related piggy banks.
+     *
+     * @param  TransactionStored $event
+     *
+     * @return bool
+     */
+    public function handle(TransactionStored $event): bool
+    {
+        echo '<pre>';
+        /** @var PiggyBankRepositoryInterface $repository */
+        $repository  = app(PiggyBankRepositoryInterface::class);
+        $transaction = $event->transaction;
+        $piggyBank   = $repository->find($transaction['piggy_bank_id']);
+
+        // valid piggy:
+        if (is_null($piggyBank->id)) {
+            return true;
+        }
+        $amount = strval($transaction['amount']);
+        // piggy bank account something with amount:
+        if ($transaction['source_account_id'] == $piggyBank->account_id) {
+            // if the source of this transaction is the same as the piggy bank,
+            // the money is being removed from the piggy bank. So the
+            // amount must be negative:
+            $amount = bcmul($amount, '-1');
+        }
+
+        $repetition = $piggyBank->currentRelevantRep();
+        // add or remove the money from the piggy bank:
+        $newAmount                 = bcadd(strval($repetition->currentamount), $amount);
+        $repetition->currentamount = $newAmount;
+        $repetition->save();
+
+        // now generate a piggy bank event:
+        PiggyBankEvent::create(['piggy_bank_id' => $piggyBank->id, 'date' => $transaction['date'], 'amount' => $newAmount]);
+
+        return true;
+    }
+
+
+}