Build account update service.

app/Factory/AccountMetaFactory.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * AccountMetaFactory.php
+ * Copyright (c) 2018 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Factory;
+
+use FireflyIII\Models\AccountMeta;
+
+/**
+ * Class AccountMetaFactory
+ */
+class AccountMetaFactory
+{
+    /**
+     * @param array $data
+     *
+     * @return AccountMeta|null
+     */
+    public function create(array $data): ?AccountMeta
+    {
+        return AccountMeta::create($data);
+    }
+
+}

app/Factory/TransactionFactory.php

@@ -62,13 +62,15 @@ class TransactionFactory
      */
     public function create(array $data): Transaction
     {
+        $currencyId = isset($data['currency']) ? $data['currency']->id : $data['currency_id'];
+
         return Transaction::create(
             [
                 'reconciled'              => $data['reconciled'],
                 'account_id'              => $data['account']->id,
                 'transaction_journal_id'  => $data['transaction_journal']->id,
                 'description'             => $data['description'],
-                'transaction_currency_id' => $data['currency']->id,
+                'transaction_currency_id' => $currencyId,
                 'amount'                  => $data['amount'],
                 'foreign_amount'          => $data['foreign_amount'],
                 'foreign_currency_id'     => null,

app/Factory/TransactionJournalFactory.php

@@ -85,7 +85,7 @@ class TransactionJournalFactory
         $this->connectTags($journal, $data);
 
         // store note:
-        $this->storeNote($journal, $data['notes']);
+        $this->storeNote($journal, strval($data['notes']));
 
         // store date meta fields (if present):
         $this->storeMeta($journal, $data, 'interest_date');
@@ -154,6 +154,9 @@ class TransactionJournalFactory
     {
         $factory = app(TagFactory::class);
         $factory->setUser($journal->user);
+        if (is_null($data['tags'])) {
+            return;
+        }
         foreach ($data['tags'] as $string) {
             $tag = $factory->findOrCreate($string);
             $journal->tags()->save($tag);
@@ -187,7 +190,7 @@ class TransactionJournalFactory
      */
     protected function storeMeta(TransactionJournal $journal, array $data, string $field): void
     {
-        $value = $data[$field];
+        $value = $data[$field] ?? null;
         if (!is_null($value)) {
             $set = [
                 'journal' => $journal,