47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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package order
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import (
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"bytes"
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"cake_crm/proto"
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"errors"
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"fmt"
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)
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type Service struct{}
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func NewService() *Service {
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return &Service{}
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}
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func (s *Service) 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.Order.Name, req.Order.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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