From 8201af741b1ae6d2957fe6bfe4cdf7e56bd7abc2 Mon Sep 17 00:00:00 2001
From: denisdulici <denisdulici@gmail.com>
Date: Thu, 5 Mar 2020 17:22:07 +0300
Subject: [PATCH] generate bill number

---
 app/Http/Controllers/Purchases/Bills.php      |  4 ++-
 .../Purchase/IncreaseNextBillNumber.php       | 23 ++++++++++++++++
 app/Models/Purchase/Bill.php                  |  1 +
 app/Providers/Event.php                       |  1 +
 app/Traits/Purchases.php                      | 27 +++++++++++++++++++
 .../views/purchases/bills/create.blade.php    |  2 +-
 6 files changed, 56 insertions(+), 2 deletions(-)
 create mode 100644 app/Listeners/Purchase/IncreaseNextBillNumber.php

diff --git a/app/Http/Controllers/Purchases/Bills.php b/app/Http/Controllers/Purchases/Bills.php
index 541351a85..e56108269 100644
--- a/app/Http/Controllers/Purchases/Bills.php
+++ b/app/Http/Controllers/Purchases/Bills.php
@@ -108,7 +108,9 @@ class Bills extends Controller
 
         $categories = Category::type('expense')->enabled()->orderBy('name')->pluck('name', 'id');
 
-        return view('purchases.bills.create', compact('vendors', 'currencies', 'currency', 'items', 'taxes', 'categories'));
+        $number = $this->getNextBillNumber();
+
+        return view('purchases.bills.create', compact('vendors', 'currencies', 'currency', 'items', 'taxes', 'categories', 'number'));
     }
 
     /**
diff --git a/app/Listeners/Purchase/IncreaseNextBillNumber.php b/app/Listeners/Purchase/IncreaseNextBillNumber.php
new file mode 100644
index 000000000..c05ee5b41
--- /dev/null
+++ b/app/Listeners/Purchase/IncreaseNextBillNumber.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Listeners\Purchase;
+
+use App\Events\Purchase\BillCreated as Event;
+use App\Traits\Purchases;
+
+class IncreaseNextBillNumber
+{
+    use Purchases;
+
+    /**
+     * Handle the event.
+     *
+     * @param  $event
+     * @return void
+     */
+    public function handle(Event $event)
+    {
+        // Update next bill number
+        $this->increaseNextBillNumber();
+    }
+}
diff --git a/app/Models/Purchase/Bill.php b/app/Models/Purchase/Bill.php
index 76f5a0223..931810c6d 100644
--- a/app/Models/Purchase/Bill.php
+++ b/app/Models/Purchase/Bill.php
@@ -99,5 +99,6 @@ class Bill extends DocumentModel
     public function onCloning($src, $child = null)
     {
         $this->status = 'draft';
+        $this->bill_number = $this->getNextBillNumber();
     }
 }
diff --git a/app/Providers/Event.php b/app/Providers/Event.php
index c8f04a232..42d2af107 100644
--- a/app/Providers/Event.php
+++ b/app/Providers/Event.php
@@ -25,6 +25,7 @@ class Event extends Provider
         ],
         'App\Events\Purchase\BillCreated' => [
             'App\Listeners\Purchase\CreateBillCreatedHistory',
+            'App\Listeners\Purchase\IncreaseNextBillNumber',
         ],
         'App\Events\Purchase\BillReceived' => [
             'App\Listeners\Purchase\MarkBillReceived',
diff --git a/app/Traits/Purchases.php b/app/Traits/Purchases.php
index beb1a0184..228ae3c7d 100644
--- a/app/Traits/Purchases.php
+++ b/app/Traits/Purchases.php
@@ -4,6 +4,33 @@ namespace App\Traits;
 
 trait Purchases
 {
+    /**
+     * Generate next bill number
+     *
+     * @return string
+     */
+    public function getNextBillNumber()
+    {
+        $prefix = setting('bill.number_prefix', 'BIL-');
+        $next = setting('bill.number_next', '1');
+        $digit = setting('bill.number_digit', '5');
+
+        $number = $prefix . str_pad($next, $digit, '0', STR_PAD_LEFT);
+
+        return $number;
+    }
+
+    /**
+     * Increase the next bill number
+     */
+    public function increaseNextBillNumber()
+    {
+        $next = setting('bill.number_next', 1) + 1;
+
+        setting(['bill.number_next' => $next]);
+        setting()->save();
+    }
+
     /**
      * Get a collection of bill statuses
      *
diff --git a/resources/views/purchases/bills/create.blade.php b/resources/views/purchases/bills/create.blade.php
index b9a630f14..9c62679a8 100644
--- a/resources/views/purchases/bills/create.blade.php
+++ b/resources/views/purchases/bills/create.blade.php
@@ -25,7 +25,7 @@
 
                     {{ Form::dateGroup('due_at', trans('bills.due_date'), 'calendar', ['id' => 'due_at', 'class' => 'form-control datepicker', 'required' => 'required', 'date-format' => 'Y-m-d', 'autocomplete' => 'off'], request()->get('due_at', request()->get('billed_at', Date::now()->toDateString()))) }}
 
-                    {{ Form::textGroup('bill_number', trans('bills.bill_number'), 'file') }}
+                    {{ Form::textGroup('bill_number', trans('bills.bill_number'), 'file', ['required' => 'required'], $number) }}
 
                     {{ Form::textGroup('order_number', trans('bills.order_number'), 'shopping-cart',[]) }}