From b94743f42de601a8999cd6d72988cdf53566ded1 Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Mon, 27 Mar 2023 07:57:29 +1100
Subject: [PATCH] Refactor for taxes

---
 app/DataMapper/Tax/de/Rule.php         | 11 ++++++++
 app/DataMapper/Tax/us/Rule.php         |  8 ++++++
 app/Helpers/Invoice/InvoiceItemSum.php | 37 ++++++++++++++++++++++++--
 3 files changed, 54 insertions(+), 2 deletions(-)

diff --git a/app/DataMapper/Tax/de/Rule.php b/app/DataMapper/Tax/de/Rule.php
index 55d47ef208cc..ee995c724de3 100644
--- a/app/DataMapper/Tax/de/Rule.php
+++ b/app/DataMapper/Tax/de/Rule.php
@@ -103,6 +103,8 @@ class Rule implements RuleInterface
     
     protected ?Client $client;
 
+    protected ?Response $tax_data;
+
     public function __construct()
     {
     }
@@ -123,6 +125,10 @@ class Rule implements RuleInterface
 
     public function tax(): self
     {
+        if($this->client->is_tax_exempt)
+            return $this->taxExempt();
+        
+
         $this->tax_name1 = $this->vat_rate;
         $this->tax_rate1 = "VAT";
 
@@ -132,6 +138,11 @@ class Rule implements RuleInterface
 
     public function taxByType(?int $product_tax_type): self
     {
+
+        if ($this->client->is_tax_exempt) {
+            return $this->taxExempt();
+        }
+
         if(!$product_tax_type)
             return $this;
 
diff --git a/app/DataMapper/Tax/us/Rule.php b/app/DataMapper/Tax/us/Rule.php
index 7454f6b0ca3a..370ac0c3da82 100644
--- a/app/DataMapper/Tax/us/Rule.php
+++ b/app/DataMapper/Tax/us/Rule.php
@@ -105,6 +105,9 @@ class Rule implements RuleInterface
 
     public function tax(): self
     {
+        if($this->client->is_tax_exempt)
+            return $this->taxExempt();
+
         $this->tax_rate1 = $this->tax_data->taxSales * 100;
         $this->tax_name1 = "{$this->tax_data->geoState} Sales Tax";
 
@@ -117,6 +120,11 @@ class Rule implements RuleInterface
         if(!$product_tax_type)
             return $this;
 
+
+        if ($this->client->is_tax_exempt) {
+            return $this->taxExempt();
+        }
+
         match($product_tax_type){
             Product::PRODUCT_TAX_EXEMPT => $this->taxExempt(),
             Product::PRODUCT_TYPE_DIGITAL => $this->taxDigital(),
diff --git a/app/Helpers/Invoice/InvoiceItemSum.php b/app/Helpers/Invoice/InvoiceItemSum.php
index 99de411c0be7..b35ad245d211 100644
--- a/app/Helpers/Invoice/InvoiceItemSum.php
+++ b/app/Helpers/Invoice/InvoiceItemSum.php
@@ -25,6 +25,38 @@ class InvoiceItemSum
     use Discounter;
     use Taxer;
 
+    private array $tax_jurisdictions = [
+        'AT', // Austria
+        'BE', // Belgium
+        'BG', // Bulgaria
+        'CY', // Cyprus
+        'CZ', // Czech Republic
+        'DE', // Germany
+        'DK', // Denmark
+        'EE', // Estonia
+        'ES', // Spain
+        'FI', // Finland
+        'FR', // France
+        'GR', // Greece
+        'HR', // Croatia
+        'HU', // Hungary
+        'IE', // Ireland
+        'IT', // Italy
+        'LT', // Lithuania
+        'LU', // Luxembourg
+        'LV', // Latvia
+        'MT', // Malta
+        'NL', // Netherlands
+        'PL', // Poland
+        'PT', // Portugal
+        'RO', // Romania
+        'SE', // Sweden
+        'SI', // Slovenia
+        'SK', // Slovakia
+
+        'US', //USA
+    ];
+
     protected $invoice;
 
     private $items;
@@ -102,18 +134,19 @@ class InvoiceItemSum
 
     private function shouldCalculateTax(): self
     {
-        if (!$this->invoice->company->calculate_taxes || $this->client->is_tax_exempt) {
+        if (!$this->invoice->company->calculate_taxes) {
             $this->calc_tax = false;
             return $this;
         }
 
-        if (in_array($this->client->country->iso_3166_2, ['US'])) { //only calculate for USA
+        if (in_array($this->client->country->iso_3166_2, $this->tax_jurisdictions)) { //only calculate for supported tax jurisdictions
             $class = "App\DataMapper\Tax\\".strtolower($this->client->country->iso_3166_2)."\\Rule";
 
             $tax_data = new Response($this->invoice->tax_data);
 
             $this->rule = new $class();
             $this->rule->setTaxData($tax_data);
+            $this->rule->setClient($this->client);
             $this->calc_tax = true;
 
             return $this;