Move the model callbacks into Observables; reduce caching since it held balances incorrectly

app/Models/Observers/AircraftObserver.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Models\Observers;
+
+use App\Models\Aircraft;
+use App\Support\ICAO;
+
+/**
+ * Class AircraftObserver
+ * @package App\Models\Observers
+ */
+class AircraftObserver
+{
+    public function creating(Aircraft $aircraft): void
+    {
+        if (empty($aircraft->hex_code)) {
+            $aircraft->hex_code = ICAO::createHexCode();
+        }
+    }
+}

app/Models/Observers/AirportObserver.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Models\Observers;
+
+use App\Models\Airport;
+
+/**
+ * Make sure that the fields are properly capitalized
+ * @package App\Models\Observers
+ */
+class AirportObserver
+{
+    /**
+     * @param Airport $airport
+     */
+    public function creating(Airport $airport): void
+    {
+        if (filled($airport->iata)) {
+            $airport->iata = strtoupper(trim($airport->iata));
+        }
+
+        $airport->icao = strtoupper(trim($airport->icao));
+        $airport->id = $airport->icao;
+    }
+
+    /**
+     * @param Airport $airport
+     */
+    public function updating(Airport $airport): void
+    {
+        if (filled($airport->iata)) {
+            $airport->iata = strtoupper(trim($airport->iata));
+        }
+
+        $airport->icao = strtoupper(trim($airport->icao));
+        $airport->id = $airport->icao;
+    }
+}

app/Models/Observers/JournalObserver.php

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+<?php
+
+namespace App\Models\Observers;
+
+use App\Models\Journal;
+
+/**
+ * Class JournalObserver
+ * @package App\Models\Observers
+ */
+class JournalObserver
+{
+    /**
+     * @param Journal $journal
+     * @throws \UnexpectedValueException
+     * @throws \InvalidArgumentException
+     */
+    public function creating(Journal $journal): void
+    {
+        $journal->balance = 0;
+    }
+}

app/Models/Observers/JournalTransactionObserver.php

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+<?php
+
+namespace App\Models\Observers;
+
+use App\Models\JournalTransaction;
+
+class JournalTransactionObserver
+{
+    /**
+     * Set the ID to a UUID
+     * @param JournalTransaction $transaction
+     */
+    public function creating(JournalTransaction $transaction): void
+    {
+        if (!$transaction->id) {
+            $transaction->id = \Ramsey\Uuid\Uuid::uuid4()->toString();
+        }
+    }
+
+    /**
+     * After transaction is saved, adjust the journal balance
+     * @param JournalTransaction $transaction
+     */
+    public function saved(JournalTransaction $transaction): void
+    {
+        $journal = $transaction->journal;
+        if ($transaction['credit']) {
+            $balance = $journal->balance->toAmount();
+            $journal->balance = (int) $balance + $transaction->credit;
+        }
+
+        if ($transaction['debit']) {
+            $balance = $journal->balance->toAmount();
+            #$journal->balance = $journal->balance->subtract($transaction['debit']);
+            $journal->balance = (int) $balance - $transaction->debit;
+        }
+
+        $journal->save();
+    }
+
+    /**
+     * After transaction is deleted, adjust the balance on the journal
+     * @param JournalTransaction $transaction
+     */
+    public function deleted(JournalTransaction $transaction): void
+    {
+        $journal = $transaction->journal;
+        if ($transaction['credit']) {
+            $balance = $journal->balance->toAmount();
+            $journal->balance = $balance - $transaction['credit'];
+        }
+
+        if ($transaction['debit']) {
+            $balance = $journal->balance->toAmount();
+            $journal->balance = $balance + $transaction['debit'];
+        }
+
+        $journal->save();
+    }
+}

app/Models/Observers/PirepFieldObserver.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models\Observers;
+
+use App\Models\PirepField;
+
+/**
+ * Class PirepFieldObserver
+ * @package App\Models\Observers
+ */
+class PirepFieldObserver
+{
+    /**
+     * @param PirepField $model
+     */
+    public function creating(PirepField $model): void
+    {
+        $model->slug = str_slug($model->name);
+    }
+
+    /**
+     * @param PirepField $model
+     */
+    public function updating(PirepField $model): void
+    {
+        $model->slug = str_slug($model->name);
+    }
+}

app/Models/Observers/SettingObserver.php

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+<?php
+
+namespace App\Models\Observers;
+
+use App\Models\Setting;
+
+class SettingObserver
+{
+    /**
+     * @param Setting $model
+     */
+    public function creating(Setting $model): void
+    {
+        if (!empty($model->id)) {
+            $model->id = Setting::formatKey($model->id);
+        }
+    }
+}