add: anowflake email kafka, refa: redis connectg

app/email/api/internal/logic/email/sendVerificationCodeLogic.go

@@ -0,0 +1,79 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.9.2
+
+package email
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"juwan-backend/app/email/api/internal/svc"
+	"juwan-backend/app/email/api/internal/types"
+	"juwan-backend/app/email/api/internal/utils"
+
+	"github.com/google/uuid"
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type SendVerificationCodeLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// 发送邮箱验证码
+func NewSendVerificationCodeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *SendVerificationCodeLogic {
+	return &SendVerificationCodeLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *SendVerificationCodeLogic) SendVerificationCode(req *types.SendVerificationCodeReq) (resp *types.SendVerificationCodeResp, err error) {
+	if l.svcCtx.RedisCluster == nil {
+		return nil, fmt.Errorf("redis not configured")
+	}
+
+	if l.svcCtx.EmailPusher == nil {
+		return nil, fmt.Errorf("kafka pusher not configured")
+	}
+
+	code := utils.GenCode()
+	requestID := uuid.NewString()
+
+	redisKey := fmt.Sprintf("%s:%s:%s", req.Email, code, req.Email)
+	if exists, getErr := l.svcCtx.RedisCluster.Get(l.ctx, redisKey).Result(); getErr == nil && exists != "" {
+		return nil, fmt.Errorf("verification code already sent, please wait before requesting a new one")
+	}
+	if setErr := l.svcCtx.RedisCluster.Set(l.ctx, redisKey, req.Scene, 60*time.Second).Err(); setErr != nil {
+		return nil, setErr
+	}
+
+	payload := map[string]any{
+		"type":      "verification_code",
+		"requestId": requestID,
+		"email":     req.Email,
+		"scene":     req.Scene,
+		"code":      code,
+		"expireIn":  60,
+	}
+	messageBytes, marshalErr := json.Marshal(payload)
+	if marshalErr != nil {
+		return nil, marshalErr
+	}
+
+	if pushErr := l.svcCtx.EmailPusher.PushWithKey(l.ctx, req.Email, string(messageBytes)); pushErr != nil {
+		return nil, pushErr
+	}
+
+	resp = &types.SendVerificationCodeResp{
+		RequestId:   requestID,
+		ExpireInSec: 60,
+		Message:     "verification code send task submitted",
+	}
+
+	return
+}