Add tax rule. #744

src/Command/TestInvoiceManagerCommand.php

@@ -108,7 +108,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' NO TRADE IN NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -132,7 +132,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' QUANTITY NO TRADE IN NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -154,13 +154,13 @@ class TestInvoiceManagerCommand extends Command
 
         $rules = $this->inv_manager->check($criteria);
 
-        error_log(print_r($rules, true));
+        // error_log(print_r($rules, true));
 
         $invoice_items = $this->inv_manager->compute($criteria, $rules);
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' PREMIUM TRADE IN SAME BATTERY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -188,7 +188,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' MOTOLITE TRADE IN SAME BATTERY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -216,7 +216,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' OTHER TRADE IN SAME BATTERY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -247,7 +247,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' PREMIUM TRADE IN DIFFERENT BATTERY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -278,7 +278,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' MOTOLITE TRADE IN DIFFERENT BATTERY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -309,12 +309,39 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_NEW . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' OTHER TRADE IN DIFFERENT BATTERY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
     protected function testBatterySalesTradeInQuantityNoDiscount()
     {
+        $criteria = new InvoiceCriteria();
+
+        // TEST SCENARIO: new battery, trade-in different battery, premium, no discount
+        $criteria->setServiceType(ServiceType::BATTERY_REPLACEMENT_NEW);
+
+        $battery_id = 1038;
+        $battery = $this->em->getRepository(Battery::class)->find($battery_id);
+
+        // add battery
+        $criteria->addEntry($battery, null, 1);
+
+        $trade_battery_id = 1037;
+        $trade_battery = $this->em->getRepository(Battery::class)->find($trade_battery_id);
+
+        // add battery for trade in
+        $criteria->addEntry($trade_battery, 'other', 3);
+
+        $rules = $this->inv_manager->check($criteria);
+
+        // error_log(print_r($rules, true));
+
+        $invoice_items = $this->inv_manager->compute($criteria, $rules);
+
+        foreach ($invoice_items as $invoice_item)
+        {
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_NEW) . ' QUANTITY NO DISCOUNT ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+        }
     }
 
     protected function testBatteryReplacementWarranty()
@@ -337,7 +364,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::BATTERY_REPLACEMENT_WARRANTY . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::BATTERY_REPLACEMENT_WARRANTY) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -362,7 +389,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::EMERGENCY_REFUEL . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::EMERGENCY_REFUEL) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -387,7 +414,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::EMERGENCY_REFUEL . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::EMERGENCY_REFUEL) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -412,7 +439,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::EMERGENCY_REFUEL . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::EMERGENCY_REFUEL) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -437,7 +464,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::EMERGENCY_REFUEL . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::EMERGENCY_REFUEL) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -456,7 +483,7 @@ class TestInvoiceManagerCommand extends Command
         
         foreach ($invoice_items as $invoice_item)
         {   
-            error_log('TEST: ' . ServiceType::JUMPSTART_TROUBLESHOOT . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::JUMPSTART_TROUBLESHOOT) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -475,7 +502,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::JUMPSTART_WARRANTY . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::JUMPSTART_WARRANTY) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -501,7 +528,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::OVERHEAT_ASSISTANCE . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::OVERHEAT_ASSISTANCE) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -526,7 +553,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::OVERHEAT_ASSISTANCE . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::OVERHEAT_ASSISTANCE) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -545,7 +572,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::POST_RECHARGED . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::POST_RECHARGED) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -564,7 +591,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::POST_REPLACEMENT . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::POST_REPLACEMENT) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -589,7 +616,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::TIRE_REPAIR . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::TIRE_REPAIR) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 
@@ -614,7 +641,7 @@ class TestInvoiceManagerCommand extends Command
 
         foreach ($invoice_items as $invoice_item)
         {
-            error_log('TEST: ' . ServiceType::TIRE_REPAIR . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
+            error_log('TEST: ' . strtoupper(ServiceType::TIRE_REPAIR) . ' ' . $invoice_item->getTitle() . ' ' . $invoice_item->getQuantity() . ' ' . $invoice_item->getPrice());
         }
     }
 

src/Invoice/BatterySales.php

@@ -50,6 +50,7 @@ class BatterySales implements InvoiceInterface
                     $price = $batt->getSellingPrice();
 
                     $items[] = [
+                        'service_type' => $this->getID(),
                         'battery' => $batt,
                         'qty' => $qty,
                         'title' => $this->getTitle($batt),

src/Invoice/DiscountType.php

@@ -27,7 +27,28 @@ class DiscountType implements InvoiceInterface
 
     public function compute($criteria, $stype_fees)
     {
-        return [];
+        $items = [];
+
+        $promos = $criteria->getPromos();
+
+        // NOTE: only get first promo because only one is applicable anyway
+        $promo = $promos[0];
+
+        $rate = $promo->getDiscountRate();
+        $apply_to = $promo->getDiscountApply();
+
+        switch ($apply_to)
+        {
+            case DiscountApply::SRP:
+                $discount = round($total['sell_price'] * $rate, 2);
+                break;
+            case DiscountApply::OPL:
+                // $discount = round($total['sell_price'] * 0.6 / 0.7 * $rate, 2);
+                $discount = round($total['sell_price'] * (1 - 1.5 / 0.7 * $rate), 2);
+                break;
+        }
+
+        return $items;
     }
 }
 

src/Invoice/Tax.php

@@ -0,0 +1,82 @@
+<?php
+
+namespace App\Invoice;
+
+use App\InvoiceInterface;
+
+class Tax implements InvoiceInterface
+{
+    const TAX_RATE              = 0.12;
+
+    public function check($criteria)
+    {
+        if (!empty($criteria->isTaxable()))
+            return true;
+
+        return false;
+
+    }
+
+    public function getTemplate()
+    {
+        return 'invoice/tax.html.twig';
+    }
+
+    public function getID()
+    {
+        return 'tax';
+    }
+
+    public function compute($items, &$total)
+    {
+        foreach ($items as $item)
+        {
+            $price = $item['price'];
+            $qty = $item['qty'];
+
+            if (isset($items['service_type']))
+            {
+                if ($items['service_type'] == 'battery_new')
+                {
+                    // battery purchase
+                    if (isset($item['battery']))
+                    {
+                        // battery purchase
+                        $vat = $this->getTaxAmount($price);
+ 
+                        $qty_price = bcmul($price, $qty, 2);
+                        $price_minus_vat = bcsub($price, $vat, 2);
+                        $qty_price_minus_vat = bcmul($price_minus_vat, $qty, 2);
+
+                        $total['sell_price'] = bcadd($total['sell_price'], $qty_price, 2);
+                        $total['vat'] = bcadd($total['vat'], $qty_price, 2);
+                        $total['vat_ex_price'] = bcadd($total['vat_ex_price'], $qty_price_minus_vat, 2);
+
+                        $total['total_price'] = bcadd($total['total_price'], $qty_price, 2);
+                    }
+                }
+                    
+            }
+            else
+            {
+                // everything else
+            }
+        }
+    }
+
+    protected function getTaxAmount($price)
+    {
+        $vat_ex_price = $this->getTaxExclusivePrice($price);
+        $tax_amount = bcsub($price, $vat_ex_price, 2);
+
+        return $tax_amount;
+    }
+
+    protected function getTaxExclusivePrice($price)
+    {
+        $tax_ex_price = bcdiv($price, bcadd(1, self::TAX_RATE, 2), 2);
+        return $tax_ex_price;
+    }
+
+}
+

src/Invoice/TradeIn.php

@@ -35,7 +35,7 @@ class TradeIn implements InvoiceInterface
         return 'trade_in';
     }
 
-    public function compute($criteria)
+    public function compute($criteria, $stype_fees)
     {
         $items = [];
 

src/Service/InvoiceManager.php

@@ -44,6 +44,7 @@ class InvoiceManager
             new Invoice\TireRepair(),
             new Invoice\DiscountType(),
             new Invoice\TradeIn(),
+            new Invoice\Tax,
         ]; 
     }
 
@@ -80,9 +81,21 @@ class InvoiceManager
 
     public function compute($criteria, $active_rules)
     {
+        // initialize
+        $total = [
+            'sell_price' => 0.0,
+            'vat' => 0.0,
+            'vat_ex_price' => 0.0,
+            'ti_rate' => 0.0,
+            'total_price' => 0.0,
+            'discount' => 0.0,
+        ];
+
         // get what is in criteria
         $stype = $criteria->getServiceType();
         $entries = $criteria->getEntries();
+        $promos = $criteria->getPromos();
+        $is_taxable = $criteria->isTaxable();
 
         // get the service type fees
         $stype_fees = $this->getServiceTypeFees();
@@ -102,23 +115,37 @@ class InvoiceManager
             if ($id == $stype)
             {
                 $items = [];
-                // process trade-ins by calling the trade-in rule if there are trade-ins
-                // since it's lumped with only the battery_new service type
-                if ($flag_trade_in)
-                {
-                    $tradein_items = $active_rules['trade_in']->compute($criteria);
-                    foreach ($tradein_items as $tradein_item)
-                    {
-                        $items[] = $tradein_item;
-                    }
-                }
 
                 $computed_items = $active_rule->compute($criteria, $stype_fees);
                 foreach ($computed_items as $computed_item)
                 {
                     if (!empty($computed_item))
+                    {
                         $items[] = $computed_item;
                     }
+                }
+
+                // check if tax is needed
+                if ($is_taxable)
+                {
+                    if (isset($active_rules['tax']))
+                    {
+                        $active_rule['tax']->compute($items, $total);
+                    }
+                }
+
+                // process trade-ins by calling the trade-in rule if there are trade-ins among the entries
+                if ($flag_trade_in)
+                {
+                    if (isset($active_rules['trade_in']))
+                    {
+                        $tradein_items = $active_rules['trade_in']->compute($criteria, $stype_fees);
+                        foreach ($tradein_items as $tradein_item)
+                        {
+                            $items[] = $tradein_item;
+                        }
+                    }
+                }
 
                 foreach ($items as $item)
                 {
@@ -133,9 +160,20 @@ class InvoiceManager
 
                     $invoice_items[] = $invoice_item;
                 }
+
+                // process promos, if any
+                if (count($promos) > 0)
+                {
+                    if (isset($active_rules['discount_type']))
+                    {
+                        $discount_items = $active_rules['discount_type']->compute($criteria, $stype_fees);
+                    }
+                }
+ 
             }
         }
 
         return $invoice_items;
     }
+
 }