template-monorepo/internal/svc/service_context.go

// Code scaffolded by goctl. Safe to edit.
// goctl 1.10.1

package svc

import (
	"context"

	"gateway/internal/config"
	redislib "gateway/internal/library/redis"
	"gateway/internal/library/validate"
	dommember "gateway/internal/model/member/domain/usecase"
	memberusecase "gateway/internal/model/member/usecase"
	domnotif "gateway/internal/model/notification/domain/usecase"
	notifusecase "gateway/internal/model/notification/usecase"
	"gateway/internal/worker/notification_retry"
)

type ServiceContext struct {
	Config    config.Config
	Validator validate.Validate
	// Redis is the process-wide client (one pool per Addr); nil when Redis.Host is empty.
	Redis *redislib.Client
	// Notifier is nil when Mongo is not configured (local scaffold without DB).
	Notifier domnotif.NotifierUseCase
	// NotificationAdmin is nil when Mongo is not configured.
	NotificationAdmin domnotif.AdminNotifierUseCase
	// NotificationRetry runs async delivery when Mongo + Redis are configured.
	NotificationRetry *notification_retry.Runner
	// MemberVerification is nil when Mongo/Redis/Notifier are not fully configured.
	MemberVerification dommember.VerificationUseCase
}

func NewServiceContext(c config.Config) *ServiceContext {
	v, err := validate.NewWithDefaultEN()
	if err != nil {
		panic(err)
	}

	rds, err := redislib.NewClient(c.Redis)
	if err != nil {
		panic(err)
	}

	sc := &ServiceContext{
		Config:    c,
		Validator: v,
		Redis:     rds,
	}
	if c.Mongo.Host != "" {
		mod, err := notifusecase.NewModuleFromParam(notifusecase.FactoryParam{
			MongoConf: &c.Mongo,
			Redis:     rds,
			Config:    c.Notification,
		})
		if err != nil {
			panic(err)
		}
		sc.Notifier = mod.Notifier
		sc.NotificationAdmin = mod.Admin
		sc.NotificationRetry = notification_retry.NewRunner(mod.RetryWorker)
	}
	if c.Mongo.Host != "" && rds != nil && sc.Notifier != nil {
		memberMod, err := memberusecase.NewModuleFromParam(memberusecase.ModuleParam{
			Redis:    rds,
			Notifier: sc.Notifier,
			Config:   c.Member,
		})
		if err != nil {
			panic(err)
		}
		sc.MemberVerification = memberMod.Verification
	}
	return sc
}

// StartWorkers launches background workers (notification retry, etc.).
func (sc *ServiceContext) StartWorkers(ctx context.Context) {
	if sc.NotificationRetry != nil {
		sc.NotificationRetry.Start(ctx)
	}
}

// StopWorkers waits for background workers to shut down.
func (sc *ServiceContext) StopWorkers() {
	if sc.NotificationRetry != nil {
		sc.NotificationRetry.Stop()
	}
}