HP-1751 Create configurations for billing types

src/product/PriceTypeDefinition.php

@@ -14,6 +14,10 @@ class PriceTypeDefinition
 
     private string $invoiceRepresentation;
 
+    public function __construct(private readonly PriceTypesCollection $parent)
+    {
+    }
+
     public function unit(string $unit): self
     {
         $this->unit = $unit;
@@ -45,16 +49,16 @@ public function invoiceRepresentation(string $representationClass): self
     public function end(): PriceTypesCollection
     {
         // Validate the PriceType and lock its state
-        return new PriceTypesCollection();
+        return $this->parent;
     }
 
     public function documentRepresentation(): InvoiceRepresentationCollection
     {
         return new InvoiceRepresentationCollection($this);
     }
 
-    public function measuredWith(\hiqdev\billing\registry\measure\RcpTrafCollector $param)
+    public function measuredWith(\hiqdev\billing\registry\measure\RcpTrafCollector $param): self
     {
-
+        return $this;
     }
 }

src/product/PriceTypesCollection.php

@@ -6,24 +6,33 @@ class PriceTypesCollection
 {
     private array $prices = [];
 
+    public function __construct(private readonly TariffType $parent)
+    {
+    }
+
     public function monthly(string $type): PriceTypeDefinition
     {
-        $priceType = new PriceTypeDefinition();
+        $priceType = $this->createPriceTypeDefinition();
         $this->prices[$type] = $priceType;
 
         return $priceType;
     }
 
+    private function createPriceTypeDefinition(): PriceTypeDefinition
+    {
+        return new PriceTypeDefinition($this);
+    }
+
     public function overuse(string $type): PriceTypeDefinition
     {
-        $priceType = new PriceTypeDefinition();
+        $priceType = $this->createPriceTypeDefinition();
         $this->prices[$type] = $priceType;
 
         return $priceType;
     }
 
     public function end(): TariffType
     {
-        // Return to the parent TariffType context
+        return $this->parent;
     }
 }

src/product/TariffType.php

@@ -17,7 +17,7 @@ class TariffType
     public function __construct(string $name)
     {
         $this->name = $name;
-        $this->prices = new PriceTypesCollection();
+        $this->prices = new PriceTypesCollection($this);
     }
 
     public function ofProduct(Product $product): self