TODO: move completed tasks to different namespace else super slow load active tasks at scale

changeListOrder implemented

server/ajax/form/form.go

@@ -20,6 +20,12 @@ func (rc readCloser) Close() error {
 	return nil
 }
 
+func GetAll(r *http.Request, k string) []string {
+	r.ParseForm()
+	v, _ := r.Form[k]
+	return v
+}
+
 func Get(r *http.Request, k string) string {
 	s := r.FormValue(k)
 	if s == "" {

server/ajax/list.go

@@ -6,6 +6,7 @@ import (
 	"local/todo-server/server/ajax/form"
 	"local/todo-server/server/ajax/list"
 	"net/http"
+	"sort"
 )
 
 type List struct{}
@@ -16,6 +17,9 @@ func (a *Ajax) loadLists(w http.ResponseWriter, r *http.Request) error {
 		return err
 	}
 	a.ListCnt = len(lists)
+	sort.Slice(lists, func(i, j int) bool {
+		return lists[i].Index < lists[j].Index
+	})
 	return json.NewEncoder(w).Encode(map[string]interface{}{
 		"total": len(lists),
 		"list":  lists,
@@ -73,7 +77,25 @@ func (a *Ajax) publishList(w http.ResponseWriter, r *http.Request) error {
 }
 
 func (a *Ajax) changeListOrder(w http.ResponseWriter, r *http.Request) error {
-	return errors.New("TODO not impl")
+	order := form.GetAll(r, "order[]")
+	lists, err := a.storageListLists()
+	if err != nil {
+		return err
+	}
+	for i := range order {
+		listUUID := order[i]
+		for j := range lists {
+			if lists[j].UUID == listUUID {
+				lists[j].Index = i
+				if err := a.storageSetList(lists[j]); err != nil {
+					return err
+				}
+			}
+		}
+	}
+	return json.NewEncoder(w).Encode(map[string]interface{}{
+		"total": len(order),
+	})
 }
 
 func (a *Ajax) clearCompletedInList(w http.ResponseWriter, r *http.Request) error {