add order service

cmd/cake_crm/main.go

@@ -5,6 +5,7 @@ import (
 	"cake_crm/internal/modules/messenger/telegram"
 	"cake_crm/internal/modules/storage/storage_file"
 	"cake_crm/internal/services/card"
+	"cake_crm/internal/services/order"
 	proto "cake_crm/proto"
 	"context"
 	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
@@ -23,6 +24,8 @@ func main() {
 
 	cardService := card.NewService(storage)
 
+	orderService := order.NewService()
+
 	tokenData, err := os.ReadFile("resources/order_bot_token.txt")
 	if err != nil {
 		panic(err)
@@ -52,7 +55,7 @@ func main() {
 	// Create a gRPC server object
 	s := grpc.NewServer()
 	// Attach the Greeter service to the server
-	proto.RegisterCRMServer(s, app.NewServer(storage, messenger, cardService))
+	proto.RegisterCRMServer(s, app.NewServer(storage, messenger, cardService, orderService))
 	// Serve gRPC server
 	log.Println("Serving gRPC on 0.0.0.0:8080")
 	go func() {

internal/app/server.go

@@ -1,14 +1,12 @@
 package app
 
 import (
-	"bytes"
 	"cake_crm/internal/modules/messenger"
 	"cake_crm/internal/modules/storage"
 	"cake_crm/internal/services/card"
+	"cake_crm/internal/services/order"
 	proto "cake_crm/proto"
 	"context"
-	"errors"
-	"fmt"
 )
 
 type Server struct {
@@ -16,13 +14,20 @@ type Server struct {
 	storage      storage.IStorage
 	messenger    messenger.IMessenger
 	cardService  *card.Service
+	orderService *order.Service
 }
 
-func NewServer(storage storage.IStorage, messenger messenger.IMessenger, cardService *card.Service) proto.CRMServer {
+func NewServer(
+	storage storage.IStorage,
+	messenger messenger.IMessenger,
+	cardService *card.Service,
+	orderService *order.Service,
+) proto.CRMServer {
 	return &Server{
 		storage:      storage,
 		messenger:    messenger,
 		cardService:  cardService,
+		orderService: orderService,
 	}
 }
 
@@ -63,45 +68,13 @@ func (s *Server) Order(ctx context.Context, req *proto.OrderReq) (*proto.OrderRs
 	if err != nil {
 		return nil, err
 	}
-	text, err := createOrderText(req, enrichItems)
+	text, err := s.orderService.CreateOrderText(req, enrichItems)
 	if err != nil {
 		return nil, err
 	}
 	return &proto.OrderRsp{}, s.messenger.SendMessage(text)
 }
 
-func createOrderText(req *proto.OrderReq, items []*proto.CardItem) (string, error) {
-	buffer := bytes.Buffer{}
-	var orderAmount int64
-	buffer.WriteString(fmt.Sprintf("Заказ от:\n%s\n%s\n", req.Order.Name, req.Order.Phone))
-	buffer.WriteString("\n")
-	for _, item := range items {
-		buffer.WriteString(item.Name)
-		buffer.WriteString("\n")
-		unit, err := unitToText(item.Unit)
-		if err != nil {
-			return "", err
-		}
-		buffer.WriteString(fmt.Sprintf("Количество: %d%s\n", item.Count, unit))
-		orderAmount += item.Amount
-		buffer.WriteString(fmt.Sprintf("Сумма: %.00fр\n", float64(item.Amount)/100))
-		buffer.WriteString("\n")
-	}
-	buffer.WriteString("\n")
-	buffer.WriteString(fmt.Sprintf("ИТОГО: %.00fр\n", float64(orderAmount)/100))
-	return buffer.String(), nil
-}
-
-func unitToText(unit string) (string, error) {
-	switch unit {
-	case "kg":
-		return "кг", nil
-	case "piece":
-		return "шт", nil
-	}
-	return "", errors.New("unit not found")
-}
-
 func (s *Server) GetCard(ctx context.Context, req *proto.CardReq) (*proto.CardRsp, error) {
 	enrichItems, err := s.cardService.GetCard(ctx, req.Items)
 	if err != nil {

internal/services/order/order.go

@@ -0,0 +1,46 @@
+package order
+
+import (
+	"bytes"
+	"cake_crm/proto"
+	"errors"
+	"fmt"
+)
+
+type Service struct{}
+
+func NewService() *Service {
+	return &Service{}
+}
+
+func (s *Service) CreateOrderText(req *proto.OrderReq, items []*proto.CardItem) (string, error) {
+	buffer := bytes.Buffer{}
+	var orderAmount int64
+	buffer.WriteString(fmt.Sprintf("Заказ от:\n%s\n%s\n", req.Order.Name, req.Order.Phone))
+	buffer.WriteString("\n")
+	for _, item := range items {
+		buffer.WriteString(item.Name)
+		buffer.WriteString("\n")
+		unit, err := unitToText(item.Unit)
+		if err != nil {
+			return "", err
+		}
+		buffer.WriteString(fmt.Sprintf("Количество: %d%s\n", item.Count, unit))
+		orderAmount += item.Amount
+		buffer.WriteString(fmt.Sprintf("Сумма: %.00fр\n", float64(item.Amount)/100))
+		buffer.WriteString("\n")
+	}
+	buffer.WriteString("\n")
+	buffer.WriteString(fmt.Sprintf("ИТОГО: %.00fр\n", float64(orderAmount)/100))
+	return buffer.String(), nil
+}
+
+func unitToText(unit string) (string, error) {
+	switch unit {
+	case "kg":
+		return "кг", nil
+	case "piece":
+		return "шт", nil
+	}
+	return "", errors.New("unit not found")
+}