first working version

pkg/db/index.go

@@ -0,0 +1,80 @@
+// Copyright (C) 2019 Marius Schellenberger
+
+package db
+
+import (
+	"git.giftfish.de/ston1th/docstore/pkg/core"
+)
+
+const (
+	idPrefix   = "id/"
+	pathPrefix = "path/"
+)
+
+func (db *DB) GetPaths(res []core.Result) error {
+	for i, v := range res {
+		err := db.store.Get(pathPrefix+v.ID, &res[i].Path)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (db *DB) GetIndexed(p core.Paths) {
+	for i, v := range p {
+		p[i].Indexed = db.IsIndexed(v.Abs)
+	}
+}
+
+func (db *DB) IsIndexed(path string) bool {
+	return db.store.Get(idPrefix+path, nil) == nil
+}
+
+func (db *DB) GetPath(id string) (path string, err error) {
+	err = db.store.Get(pathPrefix+id, &path)
+	return
+}
+
+func (db *DB) GetID(path string) (id string, err error) {
+	err = db.store.Get(idPrefix+path, &id)
+	return
+}
+
+func (db *DB) DeletePath(id string) error {
+	return db.store.Delete(pathPrefix + id)
+}
+
+func (db *DB) DeleteID(path string) error {
+	return db.store.Delete(idPrefix + path)
+}
+
+func (db *DB) NewFile(id, path string) (err error) {
+	err = db.store.Set(idPrefix+path, id)
+	if err != nil {
+		return
+	}
+	err = db.store.Set(pathPrefix+id, path)
+	return
+}
+
+func (db *DB) MoveFile(op, np string) error {
+	id, err := db.DeleteFile(op)
+	if err != nil {
+		return err
+	}
+	return db.NewFile(id, np)
+}
+
+func (db *DB) DeleteFile(path string) (id string, err error) {
+	id, err = db.GetID(path)
+	if err != nil {
+		return
+	}
+	err = db.DeleteID(path)
+	if err != nil {
+		return
+	}
+	err = db.DeletePath(id)
+	return
+}