Start refactoring budget repositories.

app/Repositories/Budget/OperationsRepository.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * OperationsRepository.php
+ * Copyright (c) 2019 thegrumpydictator@gmail.com
+ *
+ * This file is part of Firefly III.
+ *
+ * Firefly III is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Firefly III 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Repositories\Budget;
+
+use FireflyIII\Models\Budget;
+use FireflyIII\User;
+use Log;
+
+/**
+ *
+ * Class OperationsRepository
+ */
+class OperationsRepository implements OperationsRepositoryInterface
+{
+    /** @var User */
+    private $user;
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        if ('testing' === config('app.env')) {
+            Log::warning(sprintf('%s should not be instantiated in the TEST environment!', get_class($this)));
+            die(get_class($this));
+        }
+    }
+
+    /**
+     * A method that returns the amount of money budgeted per day for this budget,
+     * on average.
+     *
+     * @param Budget $budget
+     *
+     * @return string
+     */
+    public function budgetedPerDay(Budget $budget): string
+    {
+        Log::debug(sprintf('Now with budget #%d "%s"', $budget->id, $budget->name));
+        $total = '0';
+        $count = 0;
+        foreach ($budget->budgetlimits as $limit) {
+            $diff   = $limit->start_date->diffInDays($limit->end_date);
+            $diff   = 0 === $diff ? 1 : $diff;
+            $amount = (string)$limit->amount;
+            $perDay = bcdiv($amount, (string)$diff);
+            $total  = bcadd($total, $perDay);
+            $count++;
+            Log::debug(sprintf('Found %d budget limits. Per day is %s, total is %s', $count, $perDay, $total));
+        }
+        $avg = $total;
+        if ($count > 0) {
+            $avg = bcdiv($total, (string)$count);
+        }
+        Log::debug(sprintf('%s / %d = %s = average.', $total, $count, $avg));
+
+        return $avg;
+    }
+
+    /**
+     * @param User $user
+     */
+    public function setUser(User $user): void
+    {
+        $this->user = $user;
+    }
+}