ston1th/gowiki
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working sections version

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ston1th 2019-03-27 23:08:59 +01:00
commit 9424084a36
28 changed files with 367 additions and 251 deletions
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36
pkg/db/migration.go
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@ -3,11 +3,12 @@ package db
import (
"git.giftfish.de/ston1th/gowiki/pkg/core"
"git.giftfish.de/ston1th/gowiki/pkg/log"
"git.giftfish.de/ston1th/gowiki/pkg/store"
)
const (
versionKey = "version/version"
currentVersion = 2
currentVersion = 1
)
type migrator func(*DB) (int, error)
@ -18,10 +19,6 @@ var migrators = []migrator{
},
func(db *DB) (version int, err error) {
version = 1
return
},
func(db *DB) (version int, err error) {
version = 2
// recreate all pages with new format
var pages []string
db.store.ForEach(func(k string, _ []byte) error {
@ -38,12 +35,25 @@ var migrators = []migrator{
log.Printf("db: migrator[%d]: pageGet %s: %s", version, k, err)
continue
}
if p.Perm == 3 {
p.Perm = core.Private
}
err = db.store.Set(k, &p)
if err != nil {
log.Printf("db: migrator[%d]: pageSet %s: %s", version, k, err)
continue
}
}
users, err := db.GetUsers()
if err != nil {
return
}
for _, u := range users {
err = db.CreateSection(u.Username, []string{u.Username}, true)
if err != nil {
log.Printf("db: migrator[%d]: userSection %s: %s", version, u.Username, err)
}
}
return
},
}
@ -51,16 +61,21 @@ var migrators = []migrator{
func (db *DB) RunMigrations() (err error) {
var version int
err = db.store.Get(versionKey, &version)
if err == ErrKeyNotFound {
err = db.store.Set(versionKey, 0)
if err == store.ErrKeyNotFound {
err = db.store.Set(versionKey, currentVersion)
if err != nil {
return
}
err = db.store.Get(versionKey, &version)
if err != nil {
return
}
}
log.Printf("db: detected database version %d", version)
log.Printf("db: database version %d", version)
for version < currentVersion {
log.Printf("db: running migration %d", version)
version, err = migrators[version](db)
v := version + 1
log.Printf("db: running migration %d", v)
version, err = migrators[v](db)
if err != nil {
return
}
@ -69,4 +84,5 @@ func (db *DB) RunMigrations() (err error) {
return
}
}
return
}