Working on dedicated credits for PEPPOL

app/Http/Requests/Credit/UpdateCreditRequest.php

@@ -81,6 +81,8 @@ class UpdateCreditRequest extends Request
 
         $rules['location_id'] = ['nullable', 'sometimes','bail', Rule::exists('locations', 'id')->where('company_id', $user->company()->id)->where('client_id', $this->credit->client_id)];
 
+        $rules['e_invoice'] = ['sometimes', 'nullable', new ValidInvoiceScheme()];
+
         return $rules;
     }
 

app/Http/Requests/EInvoice/UpdateEInvoiceConfiguration.php

@@ -39,7 +39,7 @@ class UpdateEInvoiceConfiguration extends Request
     public function rules()
     {
         return [
-           'entity' => 'required|bail|in:invoice,client,company',
+           'entity' => 'required|bail|in:credit,invoice,client,company',
            'payment_means' => 'sometimes|bail|array',
            'payment_means.*.code' => ['required_with:payment_means', 'bail', Rule::in(PaymentMeans::getPaymentMeansCodelist())],
            'payment_means.*.bic_swift' => Rule::forEach(function (string|null $value, string $attribute) {
@@ -115,6 +115,7 @@ class UpdateEInvoiceConfiguration extends Request
 
                return [...$rules, 'nullable'];
            }),
+           'document_reference' => ['sometimes', 'bail', 'array'],
        ];
     }
 

app/Services/EDocument/Standards/Peppol.php

@@ -276,6 +276,7 @@ class Peppol extends AbstractService
             $this->p_invoice->Delivery = $this->getDelivery();
 
             $this->setOrderReference()
+                 ->setDocumentReference()
                  ->setTaxBreakdown()
                  ->setPaymentTerms()
                  ->addAttachments()
@@ -496,6 +497,19 @@ class Peppol extends AbstractService
         return [$key => json_decode($this->toJson(), true)];
     }
 
+    /**
+     * Set the reference for this document,
+     * ie: for a credit note, this reference would be the invoice it is referencing. Will always be stored on the e_invoice object.
+     *
+     * @return self
+     */
+    private function setDocumentReference(): self
+    {
+        // InvoiceNinja\EInvoice\Models\Peppol\DocumentReferenceType
+
+        // We should only need to pull this in from the already stored object.
+        return $this;
+    }
 
     /**
      * setOrderReference