add initial application structure with configuration, logging, and health check endpoints

internal/service/hero_service.go

@@ -0,0 +1,49 @@
+package service
+
+import (
+	"context"
+	"time"
+
+	"epic-ent/internal/domain/dto"
+	"epic-ent/internal/domain/vo"
+	"epic-ent/internal/repository"
+)
+
+type HeroService struct {
+	repo *repository.HeroRepository
+}
+
+func NewHeroService(repo *repository.HeroRepository) *HeroService {
+	return &HeroService{repo: repo}
+}
+
+func (s *HeroService) Create(ctx context.Context, req dto.HeroCreateRequest) (vo.Hero, error) {
+	now := time.Now()
+	if req.CreateTime == nil {
+		req.CreateTime = &now
+	}
+	if req.UpdateTime == nil {
+		req.UpdateTime = &now
+	}
+	if req.Deleted == nil {
+		req.Deleted = boolPtr(false)
+	}
+
+	return s.repo.Create(ctx, req)
+}
+
+func (s *HeroService) GetByID(ctx context.Context, id int64) (vo.Hero, error) {
+	return s.repo.GetByID(ctx, id)
+}
+
+func (s *HeroService) Update(ctx context.Context, id int64, req dto.HeroUpdateRequest) (vo.Hero, error) {
+	return s.repo.Update(ctx, id, req)
+}
+
+func (s *HeroService) Delete(ctx context.Context, id int64) error {
+	return s.repo.Delete(ctx, id)
+}
+
+func boolPtr(v bool) *bool {
+	return &v
+}