Moved charts to separate generators.

app/Generator/Chart/Budget/BudgetChartGenerator.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace FireflyIII\Generator\Chart\Budget;
+
+use Illuminate\Support\Collection;
+
+/**
+ * Interface BudgetChartGenerator
+ *
+ * @package FireflyIII\Generator\Chart\Budget
+ */
+interface BudgetChartGenerator
+{
+    /**
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function budget(Collection $entries);
+
+    /**
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function budgetLimit(Collection $entries);
+
+    /**
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function frontpage(Collection $entries);
+
+    /**
+     * @param Collection $budgets
+     * @param Collection $entries
+     *
+     * @return array
+     */
+    public function year(Collection $budgets, Collection $entries);
+
+}