Moved charts to separate generators.

app/Generator/Chart/Bill/BillChartGenerator.php

@@ -0,0 +1,32 @@
+<?php
+namespace FireflyIII\Generator\Chart\Bill;
+
+
+use FireflyIII\Models\Bill;
+use Illuminate\Support\Collection;
+
+/**
+ * Interface BillChartGenerator
+ *
+ * @package FireflyIII\Generator\Chart\Bill
+ */
+interface BillChartGenerator
+{
+
+    /**
+     * @param Bill       $bill
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function single(Bill $bill, Collection $entries);
+
+    /**
+     * @param Collection $paid
+     * @param Collection $unpaid
+     *
+     * @return array
+     */
+    public function frontpage(Collection $paid, Collection $unpaid);
+
+}

app/Generator/Chart/Bill/GoogleBillChartGenerator.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace FireflyIII\Generator\Chart\Bill;
+
+use FireflyIII\Models\Bill;
+use FireflyIII\Models\TransactionJournal;
+use Grumpydictator\Gchart\GChart;
+use Illuminate\Support\Collection;
+
+/**
+ * Class GoogleBillChartGenerator
+ *
+ * @package FireflyIII\Generator\Chart\Bill
+ */
+class GoogleBillChartGenerator implements BillChartGenerator
+{
+
+
+    /**
+     * @param Collection $paid
+     * @param Collection $unpaid
+     *
+     * @return array
+     */
+    public function frontpage(Collection $paid, Collection $unpaid)
+    {
+        // loop paid and create single entry:
+        $paidDescriptions   = [];
+        $paidAmount         = 0;
+        $unpaidDescriptions = [];
+        $unpaidAmount       = 0;
+
+
+        /** @var TransactionJournal $entry */
+        foreach ($paid as $entry) {
+
+            $paidDescriptions[] = $entry->description;
+            $paidAmount += floatval($entry->amount);
+        }
+
+        // loop unpaid:
+        /** @var Bill $entry */
+        foreach ($unpaid as $entry) {
+            $description          = $entry[0]->name . ' (' . $entry[1]->format('jS M Y') . ')';
+            $amount               = ($entry[0]->amount_max + $entry[0]->amount_min) / 2;
+            $unpaidDescriptions[] = $description;
+            $unpaidAmount += $amount;
+            unset($amount, $description);
+        }
+
+        $chart = new GChart;
+        $chart->addColumn(trans('firefly.name'), 'string');
+        $chart->addColumn(trans('firefly.amount'), 'number');
+
+        $chart->addRow(trans('firefly.unpaid') . ': ' . join(', ', $unpaidDescriptions), $unpaidAmount);
+        $chart->addRow(trans('firefly.paid') . ': ' . join(', ', $paidDescriptions), $paidAmount);
+
+        $chart->generate();
+
+        return $chart->getData();
+    }
+
+    /**
+     * @param Bill       $bill
+     * @param Collection $entries
+     *
+     * @return mixed
+     */
+    public function single(Bill $bill, Collection $entries)
+    {
+        // make chart:
+        $chart = new GChart;
+        $chart->addColumn(trans('firefly.date'), 'date');
+        $chart->addColumn(trans('firefly.maxAmount'), 'number');
+        $chart->addColumn(trans('firefly.minAmount'), 'number');
+        $chart->addColumn(trans('firefly.billEntry'), 'number');
+
+        /** @var TransactionJournal $result */
+        foreach ($entries as $result) {
+            $chart->addRow(clone $result->date, floatval($bill->amount_max), floatval($bill->amount_min), floatval($result->amount));
+        }
+
+        $chart->generate();
+
+        return $chart->getData();
+    }
+}