Add ledger and journal tables #130

app/Models/Ledger.php

@@ -0,0 +1,66 @@
+<?php
+/**
+ * Based on https://github.com/scottlaurent/accounting
+ * With modifications for phpVMS
+ */
+
+namespace App\Models;
+
+use App\Support\Money;
+use Carbon\Carbon;
+
+/**
+ * Class Journal
+ * @package Scottlaurent\Accounting
+ * @property    Money $balance
+ * @property    string $currency
+ * @property    Carbon $updated_at
+ * @property    Carbon $post_date
+ * @property    Carbon $created_at
+ */
+class Ledger extends BaseModel
+{
+    protected $table = 'ledgers';
+
+    /**
+     *
+     */
+    public function journals()
+    {
+        return $this->hasMany(Journal::class);
+    }
+
+    /**
+     * Get all of the posts for the country.
+     */
+    public function journal_transctions()
+    {
+        return $this->hasManyThrough(JournalTransaction::class, Journal::class);
+    }
+
+    /**
+     *
+     * @throws \UnexpectedValueException
+     * @throws \InvalidArgumentException
+     */
+    public function getCurrentBalance(): Money
+    {
+        if ($this->type === 'asset' || $this->type === 'expense') {
+            $balance = $this->journal_transctions->sum('debit') - $this->journal_transctions->sum('credit');
+        } else {
+            $balance = $this->journal_transctions->sum('credit') - $this->journal_transctions->sum('debit');
+        }
+
+        return new Money($balance);
+    }
+
+    /**
+     *
+     * @throws \UnexpectedValueException
+     * @throws \InvalidArgumentException
+     */
+    public function getCurrentBalanceInDollars()
+    {
+        return $this->getCurrentBalance()->getValue();
+    }
+}