Work to invoice

app/Services/Invoice.php

@@ -0,0 +1,60 @@
+<?php
+namespace App\Services;
+
+use App\Services\Util;
+use App\Models\Setting;
+use App\Models\ShoppingOrder;
+
+class Invoice
+{
+
+    public static function getInvoiceNumber(){
+        return (int) Setting::getContentBySlug('invoice-number');
+    }
+
+    public static function makeNextInvoiceNumber(){
+        $invoice_number = self::getInvoiceNumber();
+        $invoice_number = $invoice_number+1;
+        Setting::setContentBySlug('invoice-number', $invoice_number, 'int');
+        return $invoice_number;
+    }
+
+    public static function createInvoiceNumber($invoice_number, $invoice_date){
+        $prefix = \Carbon::parse($invoice_date)->format('Ym');
+        return $prefix.$invoice_number;
+    }
+
+    public static function getInvoiceStorageDir($invoice_date){
+        return "/invoice/".\Carbon::parse($invoice_date)->format('Y/m/');
+    }
+
+    public static function makeInvoiceFilename($invoice_number){
+     
+        return "Rechnung-".$invoice_number.".pdf";
+    }
+
+    public static function isInvoice(ShoppingOrder $shopping_order){
+        return isset($shopping_order->invoice['filename']) ? true : false;
+    }
+
+    public static function getFilename(ShoppingOrder $shopping_order){
+        return isset($shopping_order->invoice['filename']) ? $shopping_order->invoice['filename'] : false;
+    }
+
+    public static function getDir(ShoppingOrder $shopping_order){
+        return isset($shopping_order->invoice['dir']) ? $shopping_order->invoice['dir'] : false;
+    }
+
+    public static function getDownloadURL(ShoppingOrder $shopping_order, $do = false){
+        return route('storage_file', [$shopping_order->id, 'cms_download_file', $do]);
+    }
+
+    public static function getDownloadPath(ShoppingOrder $shopping_order, $full = false){
+        $dir = self::getDir($shopping_order);
+        $filename = self::getFilename($shopping_order);
+        if(!$full){
+            return $dir.$filename;
+        }
+        return \Storage::disk('public')->path($dir.$filename);
+    }
+}