Cleanup of old code, moved Node class, many improvements on file handling

file.go

@@ -129,6 +129,43 @@ func FileCountForUser(userID int) (count int, err error) { // {{{
 	err = row.Scan(&count)
 	return
 } // }}}
+func FileServerUUIDsForUser(userID, page int) (uuids []string, more bool, err error) { // {{{
+	uuids = []string{}
+
+	var rows *sqlx.Rows
+	rows, err = db.Queryx(`
+		SELECT
+			uuid
+		FROM public.file
+		WHERE
+			user_id = $1
+		ORDER BY
+			uuid ASC
+		LIMIT $2 OFFSET $3
+		`,
+		userID,
+		SYNC_PAGINATION+1,
+		page*SYNC_PAGINATION,
+	)
+	if err != nil {
+		return
+	}
+	defer rows.Close()
+
+	var uuid string
+	for rows.Next() {
+		err = rows.Scan(&uuid)
+		if err != nil {
+			return
+		}
+		uuids = append(uuids, uuid)
+	}
+
+	more = len(uuids) > SYNC_PAGINATION
+	uuids = uuids[0:min(SYNC_PAGINATION, len(uuids))]
+
+	return
+} // }}}
 func FileMetadata(userID int, uuid string) (f File, err error) { // {{{
 	row := db.QueryRowx(`SELECT * FROM public.file WHERE user_id = $1 AND "uuid" = $2`, userID, uuid)
 	err = row.StructScan(&f)