Chore: project init

internal/announcement/service.go

@@ -0,0 +1,38 @@
+package announcement
+
+import "fmt"
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService(repo *Repository) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) GetAll() ([]Announcement, error) {
+	return s.repo.FindAll()
+}
+
+func (s *Service) Create(title, content string) (*Announcement, error) {
+	a := &Announcement{Title: title, Content: content}
+	return a, s.repo.Create(a)
+}
+
+func (s *Service) Update(id, title, content string) (*Announcement, error) {
+	a, err := s.repo.FindByID(id)
+	if err != nil {
+		return nil, fmt.Errorf("공지사항을 찾을 수 없습니다")
+	}
+	if title != "" {
+		a.Title = title
+	}
+	if content != "" {
+		a.Content = content
+	}
+	return a, s.repo.Save(a)
+}
+
+func (s *Service) Delete(id string) error {
+	return s.repo.Delete(id)
+}