feat: support office document nodes

internal/repository/node.go

@@ -127,6 +127,49 @@ func (r *NodeRepository) CreateFile(ctx context.Context, n *model.Node) (*model.
 	`, n.ParentID, n.Title, n.OwnerUserID, n.StorageKey, n.OriginalFilename, n.MimeType, n.Extension, n.SizeBytes).Scan)
 }
 
+func (r *NodeRepository) CreateOfficeDocument(ctx context.Context, n *model.Node) (*model.Node, error) {
+	return scanNode(r.pool.QueryRow(ctx, `
+		INSERT INTO files_nodes
+			(parent_id, node_type, title, owner_user_id, created_by, original_filename,
+			 mime_type, extension, size_bytes, office_format, external_url)
+		VALUES ($1, 'office_document', $2, $3, $3, $4, $5, $6, $7, $8, $9)
+		RETURNING id, parent_id, node_type, title, owner_user_id, owner_department_id,
+		          created_by, updated_by, storage_key, original_filename, mime_type,
+		          extension, size_bytes, office_format, external_url, version,
+		          'edit' AS effective_access, created_at, updated_at, trashed_at, purge_after, deleted_at
+	`, n.ParentID, n.Title, n.OwnerUserID, n.OriginalFilename, n.MimeType, n.Extension, n.SizeBytes, n.OfficeFormat, n.ExternalURL).Scan)
+}
+
+func (r *NodeRepository) ListOfficeExternalURLs(ctx context.Context, userID string, subordinateIDs []string) ([]string, error) {
+	rows, err := r.pool.Query(ctx, `
+		SELECT DISTINCT n.external_url
+		  FROM files_nodes n
+		 WHERE n.deleted_at IS NULL
+		   AND n.node_type = 'office_document'
+		   AND n.external_url IS NOT NULL
+		   AND (
+		   	n.owner_user_id = $1
+		   	OR has_node_access(n.id, $1)
+		   	OR n.owner_user_id::text = ANY($2::text[])
+		   )
+		 ORDER BY n.external_url
+	`, userID, subordinateIDs)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	out := make([]string, 0)
+	for rows.Next() {
+		var url string
+		if err := rows.Scan(&url); err != nil {
+			return nil, err
+		}
+		out = append(out, url)
+	}
+	return out, rows.Err()
+}
+
 func (r *NodeRepository) Update(ctx context.Context, id, actorID string, req model.UpdateNodeRequest) (*model.Node, error) {
 	return scanNode(r.pool.QueryRow(ctx, `
 		UPDATE files_nodes