112 lines
3.0 KiB
Go
112 lines
3.0 KiB
Go
package app
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import (
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"bytes"
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"cake_crm/internal/modules/messenger"
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"cake_crm/internal/modules/storage"
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"cake_crm/internal/services/card"
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proto "cake_crm/proto"
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"context"
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"errors"
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"fmt"
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)
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type Server struct {
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proto.UnsafeCRMServer
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storage storage.IStorage
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messenger messenger.IMessenger
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cardService *card.Service
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}
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func NewServer(storage storage.IStorage, messenger messenger.IMessenger, cardService *card.Service) proto.CRMServer {
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return &Server{
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storage: storage,
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messenger: messenger,
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cardService: cardService,
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}
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}
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func (s *Server) GetCatalog(ctx context.Context, _ *proto.GetCatalogReq) (*proto.CatalogRsp, error) {
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categories, err := s.storage.GetCatalog(ctx)
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if err != nil {
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return nil, err
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}
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return &proto.CatalogRsp{Categories: categories}, nil
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}
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func (s *Server) GetPositions(ctx context.Context, req *proto.GetPositionsReq) (*proto.PositionsRsp, error) {
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products, err := s.storage.GetPositions(ctx, req.Id)
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if err != nil {
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return nil, err
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}
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return &proto.PositionsRsp{Products: products}, nil
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}
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func (s *Server) GetProduct(ctx context.Context, req *proto.GetProductReq) (*proto.ProductRsp, error) {
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product, err := s.storage.GetProduct(ctx, req.Id)
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if err != nil {
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return nil, err
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}
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return &proto.ProductRsp{Product: product}, nil
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}
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func (s *Server) GetBreadcrumbs(ctx context.Context, req *proto.GetBreadcrumbsReq) (*proto.BreadcrumbsRsp, error) {
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breadcrumbs, err := s.storage.GetBreadcrumbs(ctx, req.Id)
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if err != nil {
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return nil, err
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}
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return &proto.BreadcrumbsRsp{Categories: breadcrumbs}, nil
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}
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func (s *Server) Order(ctx context.Context, req *proto.OrderReq) (*proto.OrderRsp, error) {
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enrichItems, err := s.cardService.GetCard(ctx, req.Order.Items)
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if err != nil {
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return nil, err
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}
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text, err := createOrderText(req, enrichItems)
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if err != nil {
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return nil, err
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}
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return &proto.OrderRsp{}, s.messenger.SendMessage(text)
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}
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func createOrderText(req *proto.OrderReq, items []*proto.CardItem) (string, error) {
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buffer := bytes.Buffer{}
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var orderAmount int64
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buffer.WriteString(fmt.Sprintf("Заказ от:\n%s\n%s\n", req.Name, req.Phone))
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buffer.WriteString("\n")
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for _, item := range items {
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buffer.WriteString(item.Name)
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buffer.WriteString("\n")
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unit, err := unitToText(item.Unit)
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if err != nil {
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return "", err
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}
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buffer.WriteString(fmt.Sprintf("Количество: %d%s\n", item.Count, unit))
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orderAmount += item.Amount
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buffer.WriteString(fmt.Sprintf("Сумма: %.00fр\n", float64(item.Amount)/100))
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buffer.WriteString("\n")
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}
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buffer.WriteString("\n")
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buffer.WriteString(fmt.Sprintf("ИТОГО: %.00fр\n", float64(orderAmount)/100))
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return buffer.String(), nil
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}
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func unitToText(unit string) (string, error) {
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switch unit {
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case "kg":
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return "кг", nil
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case "piece":
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return "шт", nil
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}
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return "", errors.New("unit not found")
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}
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func (s *Server) GetCard(ctx context.Context, req *proto.CardReq) (*proto.CardRsp, error) {
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enrichItems, err := s.cardService.GetCard(ctx, req.Items)
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if err != nil {
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return nil, err
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}
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return &proto.CardRsp{Items: enrichItems}, nil
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}
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