feat(event): add invoice.issued and invoice.paid event contracts

order/order.go

@@ -58,3 +58,41 @@ func Decode(raw []byte) (Created, error) {
 	err := json.Unmarshal(raw, &c)
 	return c, err
 }
+
+// InvoiceIssued is the payload of an event.InvoiceIssued envelope.
+type InvoiceIssued struct {
+	OrderID       string `json:"order_id"`
+	InvoiceNumber string `json:"invoice_number"`
+	CompanyID     string `json:"company_id,omitempty"`
+	CustomerEmail string `json:"customer_email,omitempty"`
+	AmountIncVat  int64  `json:"amount_inc_vat"`
+	DueDate       string `json:"due_date"`
+	OCRReference  string `json:"ocr_reference"`
+	IssuedAtMs    int64  `json:"issued_at_ms"`
+}
+
+func (i InvoiceIssued) Encode() ([]byte, error) { return json.Marshal(i) }
+
+func DecodeInvoiceIssued(raw []byte) (InvoiceIssued, error) {
+	var i InvoiceIssued
+	err := json.Unmarshal(raw, &i)
+	return i, err
+}
+
+// InvoicePaid is the payload of an event.InvoicePaid envelope.
+type InvoicePaid struct {
+	OrderID       string `json:"order_id"`
+	InvoiceNumber string `json:"invoice_number"`
+	CompanyID     string `json:"company_id,omitempty"`
+	AmountPaid    int64  `json:"amount_paid"`
+	PaidAtMs      int64  `json:"paid_at_ms"`
+}
+
+func (i InvoicePaid) Encode() ([]byte, error) { return json.Marshal(i) }
+
+func DecodeInvoicePaid(raw []byte) (InvoicePaid, error) {
+	var i InvoicePaid
+	err := json.Unmarshal(raw, &i)
+	return i, err
+}
+