114 lines
2.3 KiB
Go
114 lines
2.3 KiB
Go
// Copyright (C) 2019 Marius Schellenberger
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package db
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import (
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"git.giftfish.de/ston1th/godrop/v2"
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"git.giftfish.de/ston1th/gowiki/pkg/cache"
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"git.giftfish.de/ston1th/gowiki/pkg/core"
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"git.giftfish.de/ston1th/gowiki/pkg/index"
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"git.giftfish.de/ston1th/gowiki/pkg/render"
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"git.giftfish.de/ston1th/gowiki/pkg/store"
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"io"
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"os"
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"path/filepath"
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)
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const (
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defUser = "admin"
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defPassword = "gowiki"
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storeFile = "store.db"
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bcryptCost = 13
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welcome = `# Welcome to GoWiki
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This is the [Index](/wiki/Index) page.
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You can customize it how you like.`
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)
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const blevePath = "bleve"
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type DB struct {
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admin bool
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store store.Store
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cache *cache.Cache
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Index *index.Index
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indexPath string
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}
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func New(cfg core.Config) (db *DB, err error) {
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db = &DB{admin: cfg.Admin, cache: cache.NewCache()}
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dbFile := filepath.Join(cfg.DataDir, storeFile)
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err = godrop.Unveil(dbFile, "rwc")
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if err != nil {
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return
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}
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db.store, err = store.NewBoltStore(dbFile, nil)
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if err != nil {
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return
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}
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db.indexPath = filepath.Join(cfg.DataDir, blevePath)
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db.Index, err = index.New(db.indexPath)
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if err != nil {
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return
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}
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if db.UserExists(defUser) != nil {
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err = db.CreateUser(defUser, defPassword, true)
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if err != nil {
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return
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}
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}
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err = db.UnlockUser(defUser)
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if err != nil {
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return
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}
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if db.SectionExists(core.WikiSection) != nil {
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err = db.CreateSection(core.WikiSection, []string{defUser}, false)
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if err != nil {
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return
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}
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}
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_, err = db.CreatePage(core.IndexPage, core.WikiSection, welcome, defUser, core.Public)
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if err != errPageExists && err != nil {
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return
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}
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err = db.RunMigrations()
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return
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}
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func (db *DB) Dump(w io.Writer) error {
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return db.store.Dump(w)
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}
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func (db *DB) Restore(r io.Reader) (err error) {
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err = db.Index.Close()
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if err != nil {
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return
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}
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err = os.RemoveAll(db.indexPath)
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if err != nil {
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return
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}
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db.Index, err = index.New(db.indexPath)
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if err != nil {
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return
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}
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err = db.store.Restore(r)
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if err != nil {
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return
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}
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err = db.store.ForEachPrefix(pagePrefix, func(k string, _ []byte) error {
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p := new(core.Page)
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db.store.Get(pagePrefix+k, p)
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db.Index.Add(p.Title, p.StoreTitle, render.Render(p))
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return nil
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})
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return
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}
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func (db *DB) Close() (err error) {
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err = db.store.Close()
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if err != nil {
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return
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}
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return db.Index.Close()
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}
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