.gitignore

@@ -1,3 +1,6 @@
 .idea
 
 bin
+
+resources/order_bot_token.txt
+resources/telegram_order_chat_id.txt

api/main.proto

@@ -30,6 +30,12 @@ service CRM {
       get: "/breadcrumbs/{id}"
     };
   }
+  rpc Order(OrderReq) returns (OrderRsp) {
+    option (google.api.http) = {
+      post: "/orders"
+      body: "order"
+    };
+  }
 }
 
 message GetCatalogReq {}
@@ -104,3 +110,20 @@ message GetBreadcrumbsReq {
 message BreadcrumbsRsp {
   repeated Category categories = 1;
 }
+
+message OrderReq {
+  Order order = 1;
+  string name = 2;
+  string phone = 3;
+}
+
+message OrderRsp {}
+
+message Order {
+  repeated OrderItem items = 1;
+}
+
+message OrderItem {
+  int64 product_id = 1;
+  int64 count = 2;
+}

cmd/cake_crm/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"cake_crm/internal/app"
+	"cake_crm/internal/models/messenger/telegram"
 	"cake_crm/internal/models/storage/storage_file"
 	proto "cake_crm/proto"
 	"context"
@@ -12,11 +13,26 @@ import (
 	"net"
 	"net/http"
 	"os"
+	"strconv"
 )
 
 func main() {
 	storage := storage_file.NewStorageFile()
 
+	tokenData, err := os.ReadFile("resources/order_bot_token.txt")
+	if err != nil {
+		panic(err)
+	}
+	token := string(tokenData)
+
+	chatIdData, err := os.ReadFile("resources/telegram_order_chat_id.txt")
+	if err != nil {
+		panic(err)
+	}
+	chatID, err := strconv.ParseInt(string(chatIdData), 10, 64)
+
+	messenger, err := telegram.NewMessenger(chatID, token)
+
 	// Create a listener on TCP port
 	lis, err := net.Listen("tcp", ":8080")
 	if err != nil {
@@ -26,7 +42,7 @@ func main() {
 	// Create a gRPC server object
 	s := grpc.NewServer()
 	// Attach the Greeter service to the server
-	proto.RegisterCRMServer(s, app.NewServer(storage))
+	proto.RegisterCRMServer(s, app.NewServer(storage, messenger))
 	// Serve gRPC server
 	log.Println("Serving gRPC on 0.0.0.0:8080")
 	go func() {

go.mod

@@ -3,7 +3,7 @@ module cake_crm
 go 1.22
 
 require (
-	github.com/go-pkgz/routegroup v1.1.1
+	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0
 	google.golang.org/genproto/googleapis/api v0.0.0-20240513163218-0867130af1f8
 	google.golang.org/grpc v1.64.0

go.sum

@@ -1,5 +1,5 @@
-github.com/go-pkgz/routegroup v1.1.1 h1:Dm5IBiEmUbQT+3rliBimhX0SifnZp/uRF/WOu3XPmms=
+github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc=
-github.com/go-pkgz/routegroup v1.1.1/go.mod h1:kDDPDRLRiRY1vnENrZJw1jQAzQX7fvsbsHGRQFNQfKc=
+github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 h1:bkypFPDjIYGfCYD5mRBvpqxfYX1YCS1PXdKYWi8FsN0=

internal/app/server.go

@@ -1,19 +1,34 @@
 package app
 
 import (
+	"bytes"
+	"cake_crm/internal/models/messenger"
 	"cake_crm/internal/models/storage"
 	proto "cake_crm/proto"
 	"context"
+	"errors"
+	"fmt"
+	"strconv"
 )
 
-type Server struct {
+type orderItem struct {
-	proto.UnimplementedCRMServer
+	product *proto.Product
-	storage storage.IStorage
+	count   int64
 }
 
-func NewServer(storage storage.IStorage) *Server {
+type Server struct {
+	proto.UnsafeCRMServer
+	storage   storage.IStorage
+	messenger messenger.IMessenger
+}
+
+func NewServer(
+	storage storage.IStorage,
+	messenger messenger.IMessenger,
+) proto.CRMServer {
 	return &Server{
-		storage: storage,
+		storage:   storage,
+		messenger: messenger,
 	}
 }
 
@@ -48,3 +63,96 @@ func (s *Server) GetBreadcrumbs(ctx context.Context, req *proto.GetBreadcrumbsRe
 	}
 	return &proto.BreadcrumbsRsp{Categories: breadcrumbs}, nil
 }
+
+func (s *Server) Order(ctx context.Context, req *proto.OrderReq) (*proto.OrderRsp, error) {
+	items := make([]*orderItem, 0, len(req.Order.Items))
+	for _, item := range req.Order.Items {
+		product, err := s.storage.GetProduct(ctx, item.ProductId)
+		if err != nil {
+			return nil, err
+		}
+		items = append(
+			items,
+			&orderItem{
+				product: product,
+				count:   item.Count,
+			},
+		)
+	}
+	text, err := createOrderText(req, items)
+	if err != nil {
+		return nil, err
+	}
+	return &proto.OrderRsp{}, s.messenger.SendMessage(text)
+}
+
+func createOrderText(req *proto.OrderReq, items []*orderItem) (string, error) {
+	buffer := bytes.Buffer{}
+	orderAmount := 0.0
+	buffer.WriteString(fmt.Sprintf("Заказ от:\n%s\n%s\n", req.Name, req.Phone))
+	buffer.WriteString("\n")
+	for _, item := range items {
+		buffer.WriteString(item.product.Name)
+		buffer.WriteString("\n")
+		unit, err := unitToText(item.product.Unit)
+		if err != nil {
+			return "", err
+		}
+		buffer.WriteString(fmt.Sprintf("Количество: %d%s\n", item.count, unit))
+		amount, err := calcItemAmount(item)
+		if err != nil {
+			return "", err
+		}
+		orderAmount += amount
+		buffer.WriteString(fmt.Sprintf("Сумма: %.00fр\n", amount))
+		buffer.WriteString("\n")
+	}
+	buffer.WriteString("\n")
+	buffer.WriteString(fmt.Sprintf("ИТОГО: %.00fр\n", orderAmount))
+	return buffer.String(), nil
+}
+
+func calcItemAmount(item *orderItem) (float64, error) {
+	var variant *proto.Variant
+	for _, v := range item.product.Variants {
+		check := true
+		for _, property := range v.Properties {
+			if property.Name == "min" {
+				minBorder, err := strconv.ParseInt(property.Value, 10, 64)
+				if err != nil {
+					return 0, err
+				}
+				if item.count < minBorder {
+					check = false
+				}
+			}
+			if property.Name == "max" {
+				maxBorder, err := strconv.ParseInt(property.Value, 10, 64)
+				if err != nil {
+					return 0, err
+				}
+				if item.count > maxBorder {
+					check = false
+				}
+			}
+			if check {
+				variant = v
+				break
+			}
+		}
+	}
+	if variant == nil {
+		return 0, errors.New("variant not found")
+	}
+	return float64(variant.Price) * float64(item.count) / 100, 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")
+}

internal/models/messenger/interface.go

@@ -0,0 +1,5 @@
+package messenger
+
+type IMessenger interface {
+	SendMessage(message string) error
+}

internal/models/messenger/telegram/messenger.go

@@ -0,0 +1,30 @@
+package telegram
+
+import (
+	"cake_crm/internal/models/messenger"
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+)
+
+type messengerTelegram struct {
+	chatID int64
+	bot    *tgbotapi.BotAPI
+}
+
+func NewMessenger(
+	chatID int64,
+	token string,
+) (messenger.IMessenger, error) {
+	bot, err := tgbotapi.NewBotAPI(token)
+	if err != nil {
+		return nil, err
+	}
+	return &messengerTelegram{
+		chatID: chatID,
+		bot:    bot,
+	}, nil
+}
+
+func (m *messengerTelegram) SendMessage(message string) error {
+	_, err := m.bot.Send(tgbotapi.NewMessage(m.chatID, message))
+	return err
+}

internal/services/server_web/interface.go

@@ -1,8 +0,0 @@
-package server_web
-
-import "context"
-
-type IServer interface {
-	Run(ctx context.Context) error
-	Stop(ctx context.Context) error
-}

internal/services/server_web/server.go

@@ -1,43 +0,0 @@
-package server_web
-
-import (
-	"cake_crm/internal/models/storage"
-	"context"
-	"fmt"
-	"github.com/go-pkgz/routegroup"
-	"net/http"
-)
-
-type server struct {
-	storage storage.IStorage
-	port    int
-}
-
-func NewServer(
-	storage storage.IStorage,
-	port int,
-) IServer {
-	return &server{
-		storage: storage,
-		port:    port,
-	}
-}
-
-func (s *server) Run(ctx context.Context) error {
-	router := routegroup.New(http.NewServeMux())
-	router.HandleFunc("GET /products", s.getAllProductsHandler)
-	router.HandleFunc("GET /products/:id", s.getProductById)
-	router.HandleFunc("GET /category/:id/breadcrumbs", s.getBreadcrumbsByCategoryId)
-	return http.ListenAndServe(fmt.Sprintf(":%d", s.port), router)
-}
-
-func (s *server) Stop(ctx context.Context) error {
-	//TODO implement me
-	panic("implement me")
-}
-
-func (s *server) getAllProductsHandler(w http.ResponseWriter, r *http.Request) {}
-
-func (s *server) getProductById(w http.ResponseWriter, r *http.Request) {}
-
-func (s *server) getBreadcrumbsByCategoryId(w http.ResponseWriter, r *http.Request) {}

proto/main.pb.go

@@ -823,6 +823,209 @@ func (x *BreadcrumbsRsp) GetCategories() []*Category {
 	return nil
 }
 
+type OrderReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Order *Order `protobuf:"bytes,1,opt,name=order,proto3" json:"order,omitempty"`
+	Name  string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Phone string `protobuf:"bytes,3,opt,name=phone,proto3" json:"phone,omitempty"`
+}
+
+func (x *OrderReq) Reset() {
+	*x = OrderReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_main_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OrderReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OrderReq) ProtoMessage() {}
+
+func (x *OrderReq) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use OrderReq.ProtoReflect.Descriptor instead.
+func (*OrderReq) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *OrderReq) GetOrder() *Order {
+	if x != nil {
+		return x.Order
+	}
+	return nil
+}
+
+func (x *OrderReq) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *OrderReq) GetPhone() string {
+	if x != nil {
+		return x.Phone
+	}
+	return ""
+}
+
+type OrderRsp struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *OrderRsp) Reset() {
+	*x = OrderRsp{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_main_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OrderRsp) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OrderRsp) ProtoMessage() {}
+
+func (x *OrderRsp) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use OrderRsp.ProtoReflect.Descriptor instead.
+func (*OrderRsp) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{15}
+}
+
+type Order struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Items []*OrderItem `protobuf:"bytes,1,rep,name=items,proto3" json:"items,omitempty"`
+}
+
+func (x *Order) Reset() {
+	*x = Order{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_main_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Order) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Order) ProtoMessage() {}
+
+func (x *Order) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Order.ProtoReflect.Descriptor instead.
+func (*Order) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *Order) GetItems() []*OrderItem {
+	if x != nil {
+		return x.Items
+	}
+	return nil
+}
+
+type OrderItem struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ProductId int64 `protobuf:"varint,1,opt,name=product_id,json=productId,proto3" json:"product_id,omitempty"`
+	Count     int64 `protobuf:"varint,2,opt,name=count,proto3" json:"count,omitempty"`
+}
+
+func (x *OrderItem) Reset() {
+	*x = OrderItem{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_main_proto_msgTypes[17]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *OrderItem) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*OrderItem) ProtoMessage() {}
+
+func (x *OrderItem) ProtoReflect() protoreflect.Message {
+	mi := &file_main_proto_msgTypes[17]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use OrderItem.ProtoReflect.Descriptor instead.
+func (*OrderItem) Descriptor() ([]byte, []int) {
+	return file_main_proto_rawDescGZIP(), []int{17}
+}
+
+func (x *OrderItem) GetProductId() int64 {
+	if x != nil {
+		return x.ProductId
+	}
+	return 0
+}
+
+func (x *OrderItem) GetCount() int64 {
+	if x != nil {
+		return x.Count
+	}
+	return 0
+}
+
 var File_main_proto protoreflect.FileDescriptor
 
 var file_main_proto_rawDesc = []byte{
@@ -906,32 +1109,51 @@ var file_main_proto_rawDesc = []byte{
 	0x72, 0x75, 0x6d, 0x62, 0x73, 0x52, 0x73, 0x70, 0x12, 0x33, 0x0a, 0x0a, 0x63, 0x61, 0x74, 0x65,
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-	0x6f, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0xe4, 0x93, 0x02, 0x11, 0x12, 0x0f, 0x2f, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x73,
+	0x2f, 0x7b, 0x69, 0x64, 0x7d, 0x12, 0x55, 0x0a, 0x0a, 0x47, 0x65, 0x74, 0x50, 0x72, 0x6f, 0x64,
+	0x75, 0x63, 0x74, 0x12, 0x18, 0x2e, 0x63, 0x72, 0x61, 0x62, 0x73, 0x2e, 0x63, 0x72, 0x6d, 0x2e,
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+	0x74, 0x52, 0x73, 0x70, 0x22, 0x16, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x10, 0x12, 0x0e, 0x2f, 0x70,
+	0x72, 0x6f, 0x64, 0x75, 0x63, 0x74, 0x73, 0x2f, 0x7b, 0x69, 0x64, 0x7d, 0x12, 0x64, 0x0a, 0x0e,
+	0x47, 0x65, 0x74, 0x42, 0x72, 0x65, 0x61, 0x64, 0x63, 0x72, 0x75, 0x6d, 0x62, 0x73, 0x12, 0x1c,
+	0x2e, 0x63, 0x72, 0x61, 0x62, 0x73, 0x2e, 0x63, 0x72, 0x6d, 0x2e, 0x47, 0x65, 0x74, 0x42, 0x72,
+	0x65, 0x61, 0x64, 0x63, 0x72, 0x75, 0x6d, 0x62, 0x73, 0x52, 0x65, 0x71, 0x1a, 0x19, 0x2e, 0x63,
+	0x72, 0x61, 0x62, 0x73, 0x2e, 0x63, 0x72, 0x6d, 0x2e, 0x42, 0x72, 0x65, 0x61, 0x64, 0x63, 0x72,
+	0x75, 0x6d, 0x62, 0x73, 0x52, 0x73, 0x70, 0x22, 0x19, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x13, 0x12,
+	0x11, 0x2f, 0x62, 0x72, 0x65, 0x61, 0x64, 0x63, 0x72, 0x75, 0x6d, 0x62, 0x73, 0x2f, 0x7b, 0x69,
+	0x64, 0x7d, 0x12, 0x49, 0x0a, 0x05, 0x4f, 0x72, 0x64, 0x65, 0x72, 0x12, 0x13, 0x2e, 0x63, 0x72,
+	0x61, 0x62, 0x73, 0x2e, 0x63, 0x72, 0x6d, 0x2e, 0x4f, 0x72, 0x64, 0x65, 0x72, 0x52, 0x65, 0x71,
+	0x1a, 0x13, 0x2e, 0x63, 0x72, 0x61, 0x62, 0x73, 0x2e, 0x63, 0x72, 0x6d, 0x2e, 0x4f, 0x72, 0x64,
+	0x65, 0x72, 0x52, 0x73, 0x70, 0x22, 0x16, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x10, 0x3a, 0x05, 0x6f,
+	0x72, 0x64, 0x65, 0x72, 0x22, 0x07, 0x2f, 0x6f, 0x72, 0x64, 0x65, 0x72, 0x73, 0x42, 0x0e, 0x92,
+	0x41, 0x00, 0x5a, 0x09, 0x70, 0x6b, 0x67, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -946,7 +1168,7 @@ func file_main_proto_rawDescGZIP() []byte {
 	return file_main_proto_rawDescData
 }
 
-var file_main_proto_msgTypes = make([]protoimpl.MessageInfo, 14)
+var file_main_proto_msgTypes = make([]protoimpl.MessageInfo, 18)
 var file_main_proto_goTypes = []interface{}{
 	(*GetCatalogReq)(nil),     // 0: crabs.crm.GetCatalogReq
 	(*CatalogRsp)(nil),        // 1: crabs.crm.CatalogRsp
@@ -962,6 +1184,10 @@ var file_main_proto_goTypes = []interface{}{
 	(*ProductRsp)(nil),        // 11: crabs.crm.ProductRsp
 	(*GetBreadcrumbsReq)(nil), // 12: crabs.crm.GetBreadcrumbsReq
 	(*BreadcrumbsRsp)(nil),    // 13: crabs.crm.BreadcrumbsRsp
+	(*OrderReq)(nil),          // 14: crabs.crm.OrderReq
+	(*OrderRsp)(nil),          // 15: crabs.crm.OrderRsp
+	(*Order)(nil),             // 16: crabs.crm.Order
+	(*OrderItem)(nil),         // 17: crabs.crm.OrderItem
 }
 var file_main_proto_depIdxs = []int32{
 	2,  // 0: crabs.crm.CatalogRsp.categories:type_name -> crabs.crm.Category
@@ -973,19 +1199,23 @@ var file_main_proto_depIdxs = []int32{
 	8,  // 6: crabs.crm.Variant.properties:type_name -> crabs.crm.Property
 	5,  // 7: crabs.crm.ProductRsp.product:type_name -> crabs.crm.Product
 	2,  // 8: crabs.crm.BreadcrumbsRsp.categories:type_name -> crabs.crm.Category
-	0,  // 9: crabs.crm.CRM.GetCatalog:input_type -> crabs.crm.GetCatalogReq
+	16, // 9: crabs.crm.OrderReq.order:type_name -> crabs.crm.Order
-	3,  // 10: crabs.crm.CRM.GetPositions:input_type -> crabs.crm.GetPositionsReq
+	17, // 10: crabs.crm.Order.items:type_name -> crabs.crm.OrderItem
-	10, // 11: crabs.crm.CRM.GetProduct:input_type -> crabs.crm.GetProductReq
+	0,  // 11: crabs.crm.CRM.GetCatalog:input_type -> crabs.crm.GetCatalogReq
-	12, // 12: crabs.crm.CRM.GetBreadcrumbs:input_type -> crabs.crm.GetBreadcrumbsReq
+	3,  // 12: crabs.crm.CRM.GetPositions:input_type -> crabs.crm.GetPositionsReq
-	1,  // 13: crabs.crm.CRM.GetCatalog:output_type -> crabs.crm.CatalogRsp
+	10, // 13: crabs.crm.CRM.GetProduct:input_type -> crabs.crm.GetProductReq
-	4,  // 14: crabs.crm.CRM.GetPositions:output_type -> crabs.crm.PositionsRsp
+	12, // 14: crabs.crm.CRM.GetBreadcrumbs:input_type -> crabs.crm.GetBreadcrumbsReq
-	11, // 15: crabs.crm.CRM.GetProduct:output_type -> crabs.crm.ProductRsp
+	14, // 15: crabs.crm.CRM.Order:input_type -> crabs.crm.OrderReq
-	13, // 16: crabs.crm.CRM.GetBreadcrumbs:output_type -> crabs.crm.BreadcrumbsRsp
+	1,  // 16: crabs.crm.CRM.GetCatalog:output_type -> crabs.crm.CatalogRsp
-	13, // [13:17] is the sub-list for method output_type
+	4,  // 17: crabs.crm.CRM.GetPositions:output_type -> crabs.crm.PositionsRsp
-	9,  // [9:13] is the sub-list for method input_type
+	11, // 18: crabs.crm.CRM.GetProduct:output_type -> crabs.crm.ProductRsp
-	9,  // [9:9] is the sub-list for extension type_name
+	13, // 19: crabs.crm.CRM.GetBreadcrumbs:output_type -> crabs.crm.BreadcrumbsRsp
-	9,  // [9:9] is the sub-list for extension extendee
+	15, // 20: crabs.crm.CRM.Order:output_type -> crabs.crm.OrderRsp
-	0,  // [0:9] is the sub-list for field type_name
+	16, // [16:21] is the sub-list for method output_type
+	11, // [11:16] is the sub-list for method input_type
+	11, // [11:11] is the sub-list for extension type_name
+	11, // [11:11] is the sub-list for extension extendee
+	0,  // [0:11] is the sub-list for field type_name
 }
 
 func init() { file_main_proto_init() }
@@ -1162,6 +1392,54 @@ func file_main_proto_init() {
 				return nil
 			}
 		}
+		file_main_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*OrderReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_main_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*OrderRsp); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_main_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Order); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_main_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*OrderItem); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -1169,7 +1447,7 @@ func file_main_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_main_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   14,
+			NumMessages:   18,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/main.pb.gw.go

@@ -205,6 +205,50 @@ func local_request_CRM_GetBreadcrumbs_0(ctx context.Context, marshaler runtime.M
 
 }
 
+var (
+	filter_CRM_Order_0 = &utilities.DoubleArray{Encoding: map[string]int{"order": 0}, Base: []int{1, 1, 0}, Check: []int{0, 1, 2}}
+)
+
+func request_CRM_Order_0(ctx context.Context, marshaler runtime.Marshaler, client CRMClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq OrderReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq.Order); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_CRM_Order_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.Order(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_CRM_Order_0(ctx context.Context, marshaler runtime.Marshaler, server CRMServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq OrderReq
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq.Order); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_CRM_Order_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.Order(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 // RegisterCRMHandlerServer registers the http handlers for service CRM to "mux".
 // UnaryRPC     :call CRMServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@@ -311,6 +355,31 @@ func RegisterCRMHandlerServer(ctx context.Context, mux *runtime.ServeMux, server
 
 	})
 
+	mux.Handle("POST", pattern_CRM_Order_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/crabs.crm.CRM/Order", runtime.WithHTTPPathPattern("/orders"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_CRM_Order_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_CRM_Order_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -440,6 +509,28 @@ func RegisterCRMHandlerClient(ctx context.Context, mux *runtime.ServeMux, client
 
 	})
 
+	mux.Handle("POST", pattern_CRM_Order_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/crabs.crm.CRM/Order", runtime.WithHTTPPathPattern("/orders"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_CRM_Order_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_CRM_Order_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -451,6 +542,8 @@ var (
 	pattern_CRM_GetProduct_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"products", "id"}, ""))
 
 	pattern_CRM_GetBreadcrumbs_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 1, 0, 4, 1, 5, 1}, []string{"breadcrumbs", "id"}, ""))
+
+	pattern_CRM_Order_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"orders"}, ""))
 )
 
 var (
@@ -461,4 +554,6 @@ var (
 	forward_CRM_GetProduct_0 = runtime.ForwardResponseMessage
 
 	forward_CRM_GetBreadcrumbs_0 = runtime.ForwardResponseMessage
+
+	forward_CRM_Order_0 = runtime.ForwardResponseMessage
 )

proto/main_grpc.pb.go

@@ -23,6 +23,7 @@ const (
 	CRM_GetPositions_FullMethodName   = "/crabs.crm.CRM/GetPositions"
 	CRM_GetProduct_FullMethodName     = "/crabs.crm.CRM/GetProduct"
 	CRM_GetBreadcrumbs_FullMethodName = "/crabs.crm.CRM/GetBreadcrumbs"
+	CRM_Order_FullMethodName          = "/crabs.crm.CRM/Order"
 )
 
 // CRMClient is the client API for CRM service.
@@ -33,6 +34,7 @@ type CRMClient interface {
 	GetPositions(ctx context.Context, in *GetPositionsReq, opts ...grpc.CallOption) (*PositionsRsp, error)
 	GetProduct(ctx context.Context, in *GetProductReq, opts ...grpc.CallOption) (*ProductRsp, error)
 	GetBreadcrumbs(ctx context.Context, in *GetBreadcrumbsReq, opts ...grpc.CallOption) (*BreadcrumbsRsp, error)
+	Order(ctx context.Context, in *OrderReq, opts ...grpc.CallOption) (*OrderRsp, error)
 }
 
 type cRMClient struct {
@@ -79,6 +81,15 @@ func (c *cRMClient) GetBreadcrumbs(ctx context.Context, in *GetBreadcrumbsReq, o
 	return out, nil
 }
 
+func (c *cRMClient) Order(ctx context.Context, in *OrderReq, opts ...grpc.CallOption) (*OrderRsp, error) {
+	out := new(OrderRsp)
+	err := c.cc.Invoke(ctx, CRM_Order_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // CRMServer is the server API for CRM service.
 // All implementations must embed UnimplementedCRMServer
 // for forward compatibility
@@ -87,6 +98,7 @@ type CRMServer interface {
 	GetPositions(context.Context, *GetPositionsReq) (*PositionsRsp, error)
 	GetProduct(context.Context, *GetProductReq) (*ProductRsp, error)
 	GetBreadcrumbs(context.Context, *GetBreadcrumbsReq) (*BreadcrumbsRsp, error)
+	Order(context.Context, *OrderReq) (*OrderRsp, error)
 	mustEmbedUnimplementedCRMServer()
 }
 
@@ -106,6 +118,9 @@ func (UnimplementedCRMServer) GetProduct(context.Context, *GetProductReq) (*Prod
 func (UnimplementedCRMServer) GetBreadcrumbs(context.Context, *GetBreadcrumbsReq) (*BreadcrumbsRsp, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetBreadcrumbs not implemented")
 }
+func (UnimplementedCRMServer) Order(context.Context, *OrderReq) (*OrderRsp, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Order not implemented")
+}
 func (UnimplementedCRMServer) mustEmbedUnimplementedCRMServer() {}
 
 // UnsafeCRMServer may be embedded to opt out of forward compatibility for this service.
@@ -191,6 +206,24 @@ func _CRM_GetBreadcrumbs_Handler(srv interface{}, ctx context.Context, dec func(
 	return interceptor(ctx, in, info, handler)
 }
 
+func _CRM_Order_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(OrderReq)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CRMServer).Order(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: CRM_Order_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CRMServer).Order(ctx, req.(*OrderReq))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // CRM_ServiceDesc is the grpc.ServiceDesc for CRM service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -214,6 +247,10 @@ var CRM_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetBreadcrumbs",
 			Handler:    _CRM_GetBreadcrumbs_Handler,
 		},
+		{
+			MethodName: "Order",
+			Handler:    _CRM_Order_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "main.proto",

resources/main.swagger.json

@@ -69,6 +69,50 @@
         ]
       }
     },
+    "/orders": {
+      "post": {
+        "operationId": "CRM_Order",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/crmOrderRsp"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "order",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/crabscrmOrder"
+            }
+          },
+          {
+            "name": "name",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          },
+          {
+            "name": "phone",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          }
+        ],
+        "tags": [
+          "CRM"
+        ]
+      }
+    },
     "/positions/{id}": {
       "get": {
         "operationId": "CRM_GetPositions",
@@ -133,6 +177,18 @@
     }
   },
   "definitions": {
+    "crabscrmOrder": {
+      "type": "object",
+      "properties": {
+        "items": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/crmOrderItem"
+          }
+        }
+      }
+    },
     "crmBreadcrumbsRsp": {
       "type": "object",
       "properties": {
@@ -204,6 +260,22 @@
         }
       }
     },
+    "crmOrderItem": {
+      "type": "object",
+      "properties": {
+        "productId": {
+          "type": "string",
+          "format": "int64"
+        },
+        "count": {
+          "type": "string",
+          "format": "int64"
+        }
+      }
+    },
+    "crmOrderRsp": {
+      "type": "object"
+    },
     "crmPositionsRsp": {
       "type": "object",
       "properties": {