Add db support for workspaces

backend/internal/filesystem/paths.go

@@ -0,0 +1,29 @@
+package filesystem
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"novamd/internal/models"
+)
+
+// GetWorkspacePath returns the file system path for a given workspace
+func GetWorkspacePath(workspace *models.Workspace) string {
+	baseDir := os.Getenv("NOVAMD_WORKDIR")
+	if baseDir == "" {
+		baseDir = "./data" // Default if not set
+	}
+	return filepath.Join(baseDir, fmt.Sprintf("%d", workspace.UserID), workspace.Name)
+}
+
+// GetFilePath returns the file system path for a given file within a workspace
+func GetFilePath(workspace *models.Workspace, relativeFilePath string) string {
+	return filepath.Join(GetWorkspacePath(workspace), relativeFilePath)
+}
+
+// EnsureWorkspaceDirectory creates the workspace directory if it doesn't exist
+func EnsureWorkspaceDirectory(workspace *models.Workspace) error {
+	dir := GetWorkspacePath(workspace)
+	return os.MkdirAll(dir, 0755)
+}