fixed #47

app/Http/Controllers/Api/Incomes/Invoices.php

@@ -138,6 +138,11 @@ class Invoices extends ApiController
 
         InvoiceHistory::create($request->input());
 
+        // Update next invoice number
+        $next = setting('general.invoice_number_next', 1) + 1;
+        setting(['general.invoice_number_next' => $next]);
+        setting()->save();
+
         // Fire the event to make it extendible
         event(new InvoiceCreated($invoice));
 

app/Http/Controllers/Incomes/Invoices.php

@@ -232,7 +232,13 @@ class Invoices extends Controller
 
         $taxes = Tax::enabled()->pluck('name', 'id');
 
-        return view('incomes.invoices.create', compact('customers', 'currencies', 'items', 'taxes'));
+        // Generate next invoice number
+        $prefix = setting('general.invoice_number_prefix', 'INV-');
+        $next = setting('general.invoice_number_next', '1');
+        $digit = setting('general.invoice_number_digit', '5');
+        $number = $prefix . str_pad($next, $digit, '0', STR_PAD_LEFT);
+
+        return view('incomes.invoices.create', compact('customers', 'currencies', 'items', 'taxes', 'number'));
     }
 
     /**
@@ -345,6 +351,11 @@ class Invoices extends Controller
 
         InvoiceHistory::create($request->all());
 
+        // Update next invoice number
+        $next = setting('general.invoice_number_next', 1) + 1;
+        setting(['general.invoice_number_next' => $next]);
+        setting()->save();
+
         // Fire the event to make it extendible
         event(new InvoiceCreated($invoice));
 

app/Listeners/Updates/Version108.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Listeners\Updates;
+
+use App\Events\UpdateFinished;
+
+class Version108 extends Listener
+{
+    const ALIAS = 'core';
+
+    const VERSION = '1.0.8';
+
+    /**
+     * Handle the event.
+     *
+     * @param  $event
+     * @return void
+     */
+    public function handle(UpdateFinished $event)
+    {
+        // Check if should listen
+        if (!$this->check($event)) {
+            return;
+        }
+
+        setting(['general.invoice_number_prefix' => setting('general.invoice_prefix', 'INV-')]);
+        setting(['general.invoice_number_digit' => setting('general.invoice_digit', '5')]);
+        setting(['general.invoice_number_next' => setting('general.invoice_start', '1')]);
+
+        setting()->forget('general.invoice_prefix');
+        setting()->forget('general.invoice_digit');
+        setting()->forget('general.invoice_start');
+
+        setting()->save();
+    }
+}

app/Providers/EventServiceProvider.php

@@ -16,6 +16,7 @@ class EventServiceProvider extends ServiceProvider
         'App\Events\UpdateFinished' => [
             'App\Listeners\Updates\Version106',
             'App\Listeners\Updates\Version107',
+            'App\Listeners\Updates\Version108',
         ],
         'Illuminate\Auth\Events\Login' => [
             'App\Listeners\Auth\Login',