Makes the app without global lock

router.go

@@ -7,6 +7,7 @@ import (
 	"path"
 	"regexp"
 	"strconv"
+	"strings"
 
 	bleve_http "github.com/blevesearch/bleve/http"
 	"github.com/gorilla/mux"
@@ -23,9 +24,7 @@ func (a *appData) buildRouter() http.Handler {
 	router.Handle("/api/search", searchHandler).Methods("POST")
 
 	router.Handle("/api/recents", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		a.dbLock <- true
 		albums, err := a.db.ByPurchaseDate()
-		<-a.dbLock
 
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
@@ -57,15 +56,14 @@ func (a *appData) buildRouter() http.Handler {
 			return
 		}
 
-		a.dbLock <- true
-		album, err := a.db.Get(AlbumID(id))
-		<-a.dbLock
+		albumUnsafe, err := a.db.Get(AlbumID(id))
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 		}
-		//sanitize extension of the path from bedetheque.com
+
+		album := *albumUnsafe
 		ext := path.Ext(album.CoverURL)
-		rxExt.ReplaceAllString(ext, "")
+		ext = strings.ToLower(rxExt.ReplaceAllString(ext, ""))
 		album.CoverURL = fmt.Sprintf("/covers/%d%s", album.ID, ext)
 
 		enc := json.NewEncoder(w)