better migrator and page timing

pkg/db/migration.go

@@ -11,14 +11,13 @@ const (
 	currentVersion = 1
 )
 
-type migrator func(*DB) (int, error)
+type migrator func(*DB, int) error
 
 var migrators = []migrator{
-	func(db *DB) (int, error) {
-		return 0, nil
+	func(_ *DB, _ int) error {
+		return nil
 	},
-	func(db *DB) (version int, err error) {
-		version = 1
+	func(db *DB, version int) (err error) {
 		// recreate all pages with new format
 		var pages []string
 		db.store.ForEachPrefix(pagePrefix, func(k string, _ []byte) error {
@@ -72,15 +71,17 @@ func (db *DB) RunMigrations() (err error) {
 	log.Printf("db: database version %d", version)
 	for version < currentVersion {
 		v := version + 1
-		log.Printf("db: running migration %d", v)
-		version, err = migrators[v](db)
+		log.Printf("db: running migration verison %d", v)
+		err = migrators[v](db, v)
 		if err != nil {
 			return
 		}
-		err = db.store.Set(versionKey, version)
+		err = db.store.Set(versionKey, v)
 		if err != nil {
 			return
 		}
+		version = v
+		log.Printf("db: database version %d", version)
 	}
 	return
 }

pkg/server/context.go

@@ -11,6 +11,7 @@ import (
 	"html/template"
 	"net/http"
 	"net/url"
+	"strconv"
 	"time"
 )
 
@@ -60,7 +61,7 @@ type Context struct {
 
 type webData struct {
 	Version string
-	Time    int64
+	Time    string
 
 	Title     string
 	BodyTitle string
@@ -112,7 +113,12 @@ func (c *Context) Exec() {
 	c.Data.Admin = c.Admin()
 	c.Data.User = c.User()
 	c.Data.Login = c.LoggedOn()
-	c.Data.Time = time.Since(c.Time).Nanoseconds() / 1e6
+
+	t := strconv.Itoa(int(time.Since(c.Time).Nanoseconds()/1e6)) + "ms"
+	if t == "0ms" {
+		t = strconv.Itoa(int(time.Since(c.Time).Nanoseconds()/1e5)) + "µs"
+	}
+	c.Data.Time = t
 
 	if c.Data.Msg != "" {
 		c.Status = http.StatusBadRequest

pkg/server/templates.go

@@ -69,7 +69,7 @@ const (
                             <li><a href="/blacklist">Blacklist</a></li>
                             {{end}}
                         </ul>
-                        <p>© GoWiki {{.Version}} Request: <strong>{{.Time}}ms</strong></p>
+                        <p>© GoWiki {{.Version}} Request: <strong>{{.Time}}</strong></p>
                     </div>
                 </div>
             </footer>