chore: initial commit

internal/svc/product/event.go

@@ -0,0 +1,86 @@
+// Copyright (C) 2024 Declan Teevan
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package product
+
+import (
+	"github.com/hexolan/stocklet/internal/pkg/messaging"
+	eventspb "github.com/hexolan/stocklet/internal/pkg/protogen/events/v1"
+	pb "github.com/hexolan/stocklet/internal/pkg/protogen/product/v1"
+)
+
+func PrepareProductCreatedEvent(product *pb.Product) ([]byte, string, error) {
+	topic := messaging.Product_State_Created_Topic
+	event := &eventspb.ProductCreatedEvent{
+		Revision: 1,
+
+		ProductId:   product.Id,
+		Name:        product.Name,
+		Description: product.Description,
+		Price:       product.Price,
+	}
+
+	return messaging.MarshalEvent(event, topic)
+}
+
+func PrepareProductPriceUpdatedEvent(product *pb.Product) ([]byte, string, error) {
+	topic := messaging.Product_Attribute_Price_Topic
+	event := &eventspb.ProductPriceUpdatedEvent{
+		Revision: 1,
+
+		ProductId: product.Id,
+		Price:     product.Price,
+	}
+
+	return messaging.MarshalEvent(event, topic)
+}
+
+func PrepareProductDeletedEvent(product *pb.Product) ([]byte, string, error) {
+	topic := messaging.Product_State_Deleted_Topic
+	event := &eventspb.ProductDeletedEvent{
+		Revision: 1,
+
+		ProductId: product.Id,
+	}
+
+	return messaging.MarshalEvent(event, topic)
+}
+
+func PrepareProductPriceQuoteEvent_Avaliable(orderId string, productQuantities map[string]int32, productPrices map[string]float32, totalPrice float32) ([]byte, string, error) {
+	topic := messaging.Product_PriceQuotation_Topic
+	event := &eventspb.ProductPriceQuoteEvent{
+		Revision: 1,
+
+		Type:              eventspb.ProductPriceQuoteEvent_TYPE_AVALIABLE,
+		OrderId:           orderId,
+		ProductQuantities: productQuantities,
+		ProductPrices:     productPrices,
+		TotalPrice:        totalPrice,
+	}
+
+	return messaging.MarshalEvent(event, topic)
+}
+
+func PrepareProductPriceQuoteEvent_Unavaliable(orderId string) ([]byte, string, error) {
+	topic := messaging.Product_PriceQuotation_Topic
+	event := &eventspb.ProductPriceQuoteEvent{
+		Revision: 1,
+
+		Type:    eventspb.ProductPriceQuoteEvent_TYPE_UNAVALIABLE,
+		OrderId: orderId,
+	}
+
+	return messaging.MarshalEvent(event, topic)
+}