增加短信渠道

internal/service/integration/sms.go

@@ -0,0 +1,69 @@
+package integration
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"strings"
+
+	biz "kra/internal/biz/integration"
+	"kra/internal/service/dto"
+)
+
+type smsUsecase interface {
+	Send(context.Context, *biz.SMSMessage) (*biz.SMSResult, error)
+}
+
+type SMSService struct{ uc smsUsecase }
+
+func NewSMSService(uc *biz.SMSUsecase) *SMSService { return &SMSService{uc: uc} }
+
+func (s *SMSService) Send(ctx context.Context, provider string, req *dto.SMSSendRequest) (*dto.SMSSendResponse, error) {
+	if req == nil || len(req.Params) > 12000 {
+		return nil, biz.ErrSMSInvalid
+	}
+	m := &biz.SMSMessage{Provider: provider, Phone: strings.TrimSpace(req.Phone)}
+	params := bytes.TrimSpace(req.Params)
+	var values any
+	if json.Unmarshal(params, &values) != nil {
+		return nil, biz.ErrSMSInvalid
+	}
+	switch provider {
+	case "aliyun":
+		object, ok := values.(map[string]any)
+		if !ok {
+			return nil, biz.ErrSMSInvalid
+		}
+		m.NamedParams = make(map[string]string, len(object))
+		for key, value := range object {
+			text, ok := value.(string)
+			if !ok {
+				return nil, biz.ErrSMSInvalid
+			}
+			m.NamedParams[key] = text
+		}
+	case "tencent":
+		array, ok := values.([]any)
+		if !ok {
+			return nil, biz.ErrSMSInvalid
+		}
+		m.Params = make([]string, 0, len(array))
+		for _, value := range array {
+			text, ok := value.(string)
+			if !ok {
+				return nil, biz.ErrSMSInvalid
+			}
+			m.Params = append(m.Params, text)
+		}
+	default:
+		return nil, biz.ErrSMSInvalid
+	}
+	if err := biz.ValidateSMSMessage(m); err != nil {
+		return nil, err
+	}
+	result, err := s.uc.Send(ctx, m)
+	if err != nil {
+		return nil, err
+	}
+	return &dto.SMSSendResponse{RequestID: result.RequestID, MessageID: result.MessageID}, nil
+}