Outsourced a chart to a specialised Google chart thing.

app/Generator/Chart/Account/AccountChartGenerator.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace FireflyIII\Generator\Chart\Account;
+use Illuminate\Support\Collection;
+use Carbon\Carbon;
+
+/**
+ * Interface AccountChartGenerator
+ *
+ * @package FireflyIII\Generator\Chart\Account
+ */
+interface AccountChartGenerator
+{
+
+    /**
+     * @param Collection $accounts
+     * @param Carbon     $start
+     * @param Carbon     $end
+     *
+     * @return array
+     */
+    public function all(Collection $accounts, Carbon $start, Carbon $end);
+}

app/Generator/Chart/Account/GoogleAccountChartGenerator.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace FireflyIII\Generator\Chart\Account;
+
+use Carbon\Carbon;
+use Grumpydictator\Gchart\GChart;
+use Illuminate\Support\Collection;
+use Steam;
+
+
+/**
+ * Class GoogleAccountChartGenerator
+ *
+ * @package FireflyIII\Generator\Chart\Account
+ */
+class GoogleAccountChartGenerator implements AccountChartGenerator
+{
+
+
+    /**
+     * @param Collection $accounts
+     * @param Carbon     $start
+     * @param Carbon     $end
+     *
+     * @return array
+     */
+    public function all(Collection $accounts, Carbon $start, Carbon $end)
+    {
+        // make chart (original code):
+        $chart = new GChart;
+        $chart->addColumn(trans('firefly.dayOfMonth'), 'date');
+        $index = 1;
+        /** @var Account $account */
+        foreach ($accounts as $account) {
+            $chart->addColumn(trans('firefly.balanceFor', ['name' => $account->name]), 'number');
+            $chart->addCertainty($index);
+            $index++;
+        }
+        $current = clone $start;
+        $current->subDay();
+        $today = Carbon::now();
+        while ($end >= $current) {
+            $row     = [clone $current];
+            $certain = $current < $today;
+            foreach ($accounts as $account) {
+                $row[] = Steam::balance($account, $current);
+                $row[] = $certain;
+            }
+            $chart->addRowArray($row);
+            $current->addDay();
+        }
+        $chart->generate();
+
+        return $chart->getData();
+    }
+}