Fix API version and match API

app/Support/Http/Api/CleansChartData.php

@@ -0,0 +1,69 @@
+<?php
+/*
+ * CleansChartData.php
+ * Copyright (c) 2023 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace FireflyIII\Support\Http\Api;
+
+use FireflyIII\Exceptions\FireflyException;
+
+/**
+ * Trait CleansChartData
+ */
+trait CleansChartData
+{
+    /**
+     * Clean up given chart data array. Each entry is supposed to be a
+     * "main" entry used in the V2 API chart endpoints. This loop makes sure
+     * IDs are strings and other values are present (or missing).
+     *
+     * @param array $data
+     *
+     * @return array
+     * @throws FireflyException
+     */
+    private function clean(array $data): array
+    {
+        $return = [];
+        /**
+         * @var mixed $index
+         * @var array $array
+         */
+        foreach ($data as $index => $array) {
+            if (array_key_exists('currency_id', $array)) {
+                $array['currency_id'] = (string)$array['currency_id'];
+            }
+            if (array_key_exists('native_id', $array)) {
+                $array['native_id'] = (string)$array['native_id'];
+            }
+            if (!array_key_exists('end', $array)) {
+                throw new FireflyException(sprintf('Data-set "%s" is missing the "end"-variable.', $index));
+            }
+            if (!array_key_exists('start', $array)) {
+                throw new FireflyException(sprintf('Data-set "%s" is missing the "start"-variable.', $index));
+            }
+            if (!array_key_exists('period', $array)) {
+                throw new FireflyException(sprintf('Data-set "%s" is missing the "period"-variable.', $index));
+            }
+            $return[] = $array;
+        }
+        return $return;
+    }
+
+}