Chore: project init

internal/download/handler.go

@@ -0,0 +1,36 @@
+package download
+
+import "github.com/gofiber/fiber/v2"
+
+type Handler struct {
+	svc *Service
+}
+
+func NewHandler(svc *Service) *Handler {
+	return &Handler{svc: svc}
+}
+
+func (h *Handler) GetInfo(c *fiber.Ctx) error {
+	info, err := h.svc.GetInfo()
+	if err != nil {
+		return c.Status(fiber.StatusNotFound).JSON(fiber.Map{"error": "다운로드 정보가 없습니다"})
+	}
+	return c.JSON(info)
+}
+
+func (h *Handler) Upsert(c *fiber.Ctx) error {
+	var body struct {
+		URL      string `json:"url"`
+		Version  string `json:"version"`
+		FileName string `json:"fileName"`
+		FileSize string `json:"fileSize"`
+	}
+	if err := c.BodyParser(&body); err != nil || body.URL == "" || body.Version == "" {
+		return c.Status(fiber.StatusBadRequest).JSON(fiber.Map{"error": "url과 version은 필수입니다"})
+	}
+	info, err := h.svc.Upsert(body.URL, body.Version, body.FileName, body.FileSize)
+	if err != nil {
+		return c.Status(fiber.StatusInternalServerError).JSON(fiber.Map{"error": "업데이트에 실패했습니다"})
+	}
+	return c.JSON(info)
+}

internal/download/model.go

@@ -0,0 +1,11 @@
+package download
+
+import "gorm.io/gorm"
+
+type Info struct {
+	gorm.Model
+	URL      string `gorm:"not null"`
+	Version  string `gorm:"not null"`
+	FileName string `gorm:"not null"`
+	FileSize string `gorm:"not null"`
+}

internal/download/repository.go

@@ -0,0 +1,24 @@
+package download
+
+import "gorm.io/gorm"
+
+type Repository struct {
+	db *gorm.DB
+}
+
+func NewRepository(db *gorm.DB) *Repository {
+	return &Repository{db: db}
+}
+
+func (r *Repository) GetLatest() (*Info, error) {
+	var info Info
+	err := r.db.Last(&info).Error
+	return &info, err
+}
+
+func (r *Repository) Save(info *Info) error {
+	if info.ID == 0 {
+		return r.db.Create(info).Error
+	}
+	return r.db.Save(info).Error
+}

internal/download/service.go

@@ -0,0 +1,25 @@
+package download
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService(repo *Repository) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) GetInfo() (*Info, error) {
+	return s.repo.GetLatest()
+}
+
+func (s *Service) Upsert(url, version, fileName, fileSize string) (*Info, error) {
+	info, err := s.repo.GetLatest()
+	if err != nil {
+		info = &Info{}
+	}
+	info.URL = url
+	info.Version = version
+	info.FileName = fileName
+	info.FileSize = fileSize
+	return info, s.repo.Save(info)
+}