feat: add services and separate further

internal/server/service/fileservice.go

@@ -0,0 +1,74 @@
+package service
+
+import (
+	"io"
+	"orbits-server/internal/server/api/assets"
+	"orbits-server/internal/server/bootstrap"
+	"orbits-server/internal/server/database"
+	"os"
+
+	"gorm.io/gorm"
+)
+
+type FileService struct {
+	db  *gorm.DB
+	env bootstrap.Environment
+}
+
+func NewFileService(db *gorm.DB, env bootstrap.Environment) *FileService {
+	return &FileService{db: db, env: env}
+}
+
+func (s *FileService) ListFiles() ([]assets.FileResponse, error) {
+	files, err := database.ListFiles(s.db)
+	if err != nil {
+		return nil, err
+	}
+
+	resp := make([]assets.FileResponse, 0, len(files))
+
+	for _, f := range files {
+		resp = append(resp, assets.FileResponse{
+			ID:        f.ID,
+			MetaName:  f.MetaName,
+			FileName:  f.FileName,
+			MediaType: string(f.MediaType),
+			CreatedAt: f.CreatedAt,
+			ExpiresAt: f.ExpiresAt,
+		})
+	}
+
+	return resp, nil
+}
+
+func (s *FileService) Create(r io.Reader, filename string) (database.File, error) {
+	fileRecord, err := database.BuildFileRecord(r, filename, s.env.ContentDirectory)
+	if err != nil {
+		return database.File{}, err
+	}
+
+	if err := database.CreateFile(s.db, &fileRecord); err != nil {
+		return database.File{}, err
+	}
+
+	return fileRecord, nil
+}
+
+func (s *FileService) DeleteByName(filename string) (database.File, error) {
+	fileRecord, err := database.FindFileByName(s.db, filename)
+	if err != nil {
+		return database.File{}, err
+	}
+
+	_ = os.Remove(fileRecord.FilePath)
+
+	if err := database.DeleteFileByID(s.db, fileRecord.ID); err != nil {
+		return database.File{}, err
+	}
+
+	return fileRecord, nil
+}
+
+func (s *FileService) DeleteByID(id int) {
+	_ = database.DeleteFileByID(s.db, id)
+}