Clean up and split chart controllers

app/Http/Controllers/Chart/PiggyBankController.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: sander
+ * Date: 16/05/15
+ * Time: 09:36
+ */
+
+namespace FireflyIII\Http\Controllers\Chart;
+
+use Carbon\Carbon;
+use FireflyIII\Http\Controllers\Controller;
+use FireflyIII\Models\Account;
+use FireflyIII\Models\Bill;
+use FireflyIII\Models\PiggyBank;
+use FireflyIII\Models\TransactionJournal;
+use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
+use Grumpydictator\Gchart\GChart;
+use Illuminate\Support\Collection;
+use Response;
+
+
+/**
+ * Class PiggyBankController
+ *
+ * @package FireflyIII\Http\Controllers\Chart
+ */
+class PiggyBankController extends Controller
+{
+    /**
+     * Shows the piggy bank history.
+     *
+     * @param GChart                       $chart
+     * @param PiggyBankRepositoryInterface $repository
+     * @param PiggyBank                    $piggyBank
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function piggyBankHistory(GChart $chart, PiggyBankRepositoryInterface $repository, PiggyBank $piggyBank)
+    {
+        $chart->addColumn(trans('firefly.date'), 'date');
+        $chart->addColumn(trans('firefly.balance'), 'number');
+
+        /** @var Collection $set */
+        $set = $repository->getEventSummarySet($piggyBank);
+        $sum = 0;
+
+        foreach ($set as $entry) {
+            $sum += floatval($entry->sum);
+            $chart->addRow(new Carbon($entry->date), $sum);
+        }
+
+        $chart->generate();
+
+        return Response::json($chart->getData());
+
+    }
+}